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l=1;l>>26,p=67108863&c,d=Math.min(l,t.length-1),f=Math.max(0,l-e.length+1);f<=d;f++){var h=l-f|0;u+=(a=(r=0|e.words[h])*(s=0|t.words[f])+p)/67108864|0,p=67108863&a}i.words[l]=0|p,c=0|u}return 0!==c?i.words[l]=0|c:i.length--,i.strip()}s.prototype.toString=function(e,t){var i;if(t=0|t||1,16===(e=e||10)||"hex"===e){i="";for(var r=0,s=0,a=0;a>>24-r&16777215)||a!==this.length-1?u[6-c.length]+c+i:c+i,(r+=2)>=26&&(r-=26,a--)}for(0!==s&&(i=s.toString(16)+i);i.length%t!=0;)i="0"+i;return 0!==this.negative&&(i="-"+i),i}if(e===(0|e)&&e>=2&&e<=36){var l=p[e],f=d[e];i="";var h=this.clone();for(h.negative=0;!h.isZero();){var m=h.modn(f).toString(e);i=(h=h.idivn(f)).isZero()?m+i:u[l-m.length]+m+i}for(this.isZero()&&(i="0"+i);i.length%t!=0;)i="0"+i;return 0!==this.negative&&(i="-"+i),i}n(!1,"Base should be between 2 and 36")},s.prototype.toNumber=function(){var e=this.words[0];return 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xe=(l+(n=n+Math.imul(p,ie)|0)|0)+((8191&(r=(r=r+Math.imul(p,ne)|0)+Math.imul(d,ie)|0))<<13)|0;l=((s=s+Math.imul(d,ne)|0)+(r>>>13)|0)+(xe>>>26)|0,xe&=67108863,n=Math.imul(I,z),r=(r=Math.imul(I,H))+Math.imul(T,z)|0,s=Math.imul(T,H),n=n+Math.imul(M,W)|0,r=(r=r+Math.imul(M,V)|0)+Math.imul(A,W)|0,s=s+Math.imul(A,V)|0,n=n+Math.imul(k,$)|0,r=(r=r+Math.imul(k,G)|0)+Math.imul(E,$)|0,s=s+Math.imul(E,G)|0,n=n+Math.imul(_,Y)|0,r=(r=r+Math.imul(_,Z)|0)+Math.imul(x,Y)|0,s=s+Math.imul(x,Z)|0,n=n+Math.imul(v,Q)|0,r=(r=r+Math.imul(v,ee)|0)+Math.imul(g,Q)|0,s=s+Math.imul(g,ee)|0,n=n+Math.imul(h,ie)|0,r=(r=r+Math.imul(h,ne)|0)+Math.imul(m,ie)|0,s=s+Math.imul(m,ne)|0;var we=(l+(n=n+Math.imul(p,se)|0)|0)+((8191&(r=(r=r+Math.imul(p,ae)|0)+Math.imul(d,se)|0))<<13)|0;l=((s=s+Math.imul(d,ae)|0)+(r>>>13)|0)+(we>>>26)|0,we&=67108863,n=Math.imul(B,z),r=(r=Math.imul(B,H))+Math.imul(R,z)|0,s=Math.imul(R,H),n=n+Math.imul(I,W)|0,r=(r=r+Math.imul(I,V)|0)+Math.imul(T,W)|0,s=s+Math.imul(T,V)|0,n=n+Math.imul(M,$)|0,r=(r=r+Math.imul(M,G)|0)+Math.imul(A,$)|0,s=s+Math.imul(A,G)|0,n=n+Math.imul(k,Y)|0,r=(r=r+Math.imul(k,Z)|0)+Math.imul(E,Y)|0,s=s+Math.imul(E,Z)|0,n=n+Math.imul(_,Q)|0,r=(r=r+Math.imul(_,ee)|0)+Math.imul(x,Q)|0,s=s+Math.imul(x,ee)|0,n=n+Math.imul(v,ie)|0,r=(r=r+Math.imul(v,ne)|0)+Math.imul(g,ie)|0,s=s+Math.imul(g,ne)|0,n=n+Math.imul(h,se)|0,r=(r=r+Math.imul(h,ae)|0)+Math.imul(m,se)|0,s=s+Math.imul(m,ae)|0;var ke=(l+(n=n+Math.imul(p,ce)|0)|0)+((8191&(r=(r=r+Math.imul(p,le)|0)+Math.imul(d,ce)|0))<<13)|0;l=((s=s+Math.imul(d,le)|0)+(r>>>13)|0)+(ke>>>26)|0,ke&=67108863,n=Math.imul(O,z),r=(r=Math.imul(O,H))+Math.imul(P,z)|0,s=Math.imul(P,H),n=n+Math.imul(B,W)|0,r=(r=r+Math.imul(B,V)|0)+Math.imul(R,W)|0,s=s+Math.imul(R,V)|0,n=n+Math.imul(I,$)|0,r=(r=r+Math.imul(I,G)|0)+Math.imul(T,$)|0,s=s+Math.imul(T,G)|0,n=n+Math.imul(M,Y)|0,r=(r=r+Math.imul(M,Z)|0)+Math.imul(A,Y)|0,s=s+Math.imul(A,Z)|0,n=n+Math.imul(k,Q)|0,r=(r=r+Math.imul(k,ee)|0)+Math.imul(E,Q)|0,s=s+Math.imul(E,ee)|0,n=n+Math.imul(_,ie)|0,r=(r=r+Math.imul(_,ne)|0)+Math.imul(x,ie)|0,s=s+Math.imul(x,ne)|0,n=n+Math.imul(v,se)|0,r=(r=r+Math.imul(v,ae)|0)+Math.imul(g,se)|0,s=s+Math.imul(g,ae)|0,n=n+Math.imul(h,ce)|0,r=(r=r+Math.imul(h,le)|0)+Math.imul(m,ce)|0,s=s+Math.imul(m,le)|0;var Ee=(l+(n=n+Math.imul(p,pe)|0)|0)+((8191&(r=(r=r+Math.imul(p,de)|0)+Math.imul(d,pe)|0))<<13)|0;l=((s=s+Math.imul(d,de)|0)+(r>>>13)|0)+(Ee>>>26)|0,Ee&=67108863,n=Math.imul(q,z),r=(r=Math.imul(q,H))+Math.imul(N,z)|0,s=Math.imul(N,H),n=n+Math.imul(O,W)|0,r=(r=r+Math.imul(O,V)|0)+Math.imul(P,W)|0,s=s+Math.imul(P,V)|0,n=n+Math.imul(B,$)|0,r=(r=r+Math.imul(B,G)|0)+Math.imul(R,$)|0,s=s+Math.imul(R,G)|0,n=n+Math.imul(I,Y)|0,r=(r=r+Math.imul(I,Z)|0)+Math.imul(T,Y)|0,s=s+Math.imul(T,Z)|0,n=n+Math.imul(M,Q)|0,r=(r=r+Math.imul(M,ee)|0)+Math.imul(A,Q)|0,s=s+Math.imul(A,ee)|0,n=n+Math.imul(k,ie)|0,r=(r=r+Math.imul(k,ne)|0)+Math.imul(E,ie)|0,s=s+Math.imul(E,ne)|0,n=n+Math.imul(_,se)|0,r=(r=r+Math.imul(_,ae)|0)+Math.imul(x,se)|0,s=s+Math.imul(x,ae)|0,n=n+Math.imul(v,ce)|0,r=(r=r+Math.imul(v,le)|0)+Math.imul(g,ce)|0,s=s+Math.imul(g,le)|0,n=n+Math.imul(h,pe)|0,r=(r=r+Math.imul(h,de)|0)+Math.imul(m,pe)|0,s=s+Math.imul(m,de)|0;var Se=(l+(n=n+Math.imul(p,he)|0)|0)+((8191&(r=(r=r+Math.imul(p,me)|0)+Math.imul(d,he)|0))<<13)|0;l=((s=s+Math.imul(d,me)|0)+(r>>>13)|0)+(Se>>>26)|0,Se&=67108863,n=Math.imul(q,W),r=(r=Math.imul(q,V))+Math.imul(N,W)|0,s=Math.imul(N,V),n=n+Math.imul(O,$)|0,r=(r=r+Math.imul(O,G)|0)+Math.imul(P,$)|0,s=s+Math.imul(P,G)|0,n=n+Math.imul(B,Y)|0,r=(r=r+Math.imul(B,Z)|0)+Math.imul(R,Y)|0,s=s+Math.imul(R,Z)|0,n=n+Math.imul(I,Q)|0,r=(r=r+Math.imul(I,ee)|0)+Math.imul(T,Q)|0,s=s+Math.imul(T,ee)|0,n=n+Math.imul(M,ie)|0,r=(r=r+Math.imul(M,ne)|0)+Math.imul(A,ie)|0,s=s+Math.imul(A,ne)|0,n=n+Math.imul(k,se)|0,r=(r=r+Math.imul(k,ae)|0)+Math.imul(E,se)|0,s=s+Math.imul(E,ae)|0,n=n+Math.imul(_,ce)|0,r=(r=r+Math.imul(_,le)|0)+Math.imul(x,ce)|0,s=s+Math.imul(x,le)|0,n=n+Math.imul(v,pe)|0,r=(r=r+Math.imul(v,de)|0)+Math.imul(g,pe)|0,s=s+Math.imul(g,de)|0;var Me=(l+(n=n+Math.imul(h,he)|0)|0)+((8191&(r=(r=r+Math.imul(h,me)|0)+Math.imul(m,he)|0))<<13)|0;l=((s=s+Math.imul(m,me)|0)+(r>>>13)|0)+(Me>>>26)|0,Me&=67108863,n=Math.imul(q,$),r=(r=Math.imul(q,G))+Math.imul(N,$)|0,s=Math.imul(N,G),n=n+Math.imul(O,Y)|0,r=(r=r+Math.imul(O,Z)|0)+Math.imul(P,Y)|0,s=s+Math.imul(P,Z)|0,n=n+Math.imul(B,Q)|0,r=(r=r+Math.imul(B,ee)|0)+Math.imul(R,Q)|0,s=s+Math.imul(R,ee)|0,n=n+Math.imul(I,ie)|0,r=(r=r+Math.imul(I,ne)|0)+Math.imul(T,ie)|0,s=s+Math.imul(T,ne)|0,n=n+Math.imul(M,se)|0,r=(r=r+Math.imul(M,ae)|0)+Math.imul(A,se)|0,s=s+Math.imul(A,ae)|0,n=n+Math.imul(k,ce)|0,r=(r=r+Math.imul(k,le)|0)+Math.imul(E,ce)|0,s=s+Math.imul(E,le)|0,n=n+Math.imul(_,pe)|0,r=(r=r+Math.imul(_,de)|0)+Math.imul(x,pe)|0,s=s+Math.imul(x,de)|0;var Ae=(l+(n=n+Math.imul(v,he)|0)|0)+((8191&(r=(r=r+Math.imul(v,me)|0)+Math.imul(g,he)|0))<<13)|0;l=((s=s+Math.imul(g,me)|0)+(r>>>13)|0)+(Ae>>>26)|0,Ae&=67108863,n=Math.imul(q,Y),r=(r=Math.imul(q,Z))+Math.imul(N,Y)|0,s=Math.imul(N,Z),n=n+Math.imul(O,Q)|0,r=(r=r+Math.imul(O,ee)|0)+Math.imul(P,Q)|0,s=s+Math.imul(P,ee)|0,n=n+Math.imul(B,ie)|0,r=(r=r+Math.imul(B,ne)|0)+Math.imul(R,ie)|0,s=s+Math.imul(R,ne)|0,n=n+Math.imul(I,se)|0,r=(r=r+Math.imul(I,ae)|0)+Math.imul(T,se)|0,s=s+Math.imul(T,ae)|0,n=n+Math.imul(M,ce)|0,r=(r=r+Math.imul(M,le)|0)+Math.imul(A,ce)|0,s=s+Math.imul(A,le)|0,n=n+Math.imul(k,pe)|0,r=(r=r+Math.imul(k,de)|0)+Math.imul(E,pe)|0,s=s+Math.imul(E,de)|0;var je=(l+(n=n+Math.imul(_,he)|0)|0)+((8191&(r=(r=r+Math.imul(_,me)|0)+Math.imul(x,he)|0))<<13)|0;l=((s=s+Math.imul(x,me)|0)+(r>>>13)|0)+(je>>>26)|0,je&=67108863,n=Math.imul(q,Q),r=(r=Math.imul(q,ee))+Math.imul(N,Q)|0,s=Math.imul(N,ee),n=n+Math.imul(O,ie)|0,r=(r=r+Math.imul(O,ne)|0)+Math.imul(P,ie)|0,s=s+Math.imul(P,ne)|0,n=n+Math.imul(B,se)|0,r=(r=r+Math.imul(B,ae)|0)+Math.imul(R,se)|0,s=s+Math.imul(R,ae)|0,n=n+Math.imul(I,ce)|0,r=(r=r+Math.imul(I,le)|0)+Math.imul(T,ce)|0,s=s+Math.imul(T,le)|0,n=n+Math.imul(M,pe)|0,r=(r=r+Math.imul(M,de)|0)+Math.imul(A,pe)|0,s=s+Math.imul(A,de)|0;var Ie=(l+(n=n+Math.imul(k,he)|0)|0)+((8191&(r=(r=r+Math.imul(k,me)|0)+Math.imul(E,he)|0))<<13)|0;l=((s=s+Math.imul(E,me)|0)+(r>>>13)|0)+(Ie>>>26)|0,Ie&=67108863,n=Math.imul(q,ie),r=(r=Math.imul(q,ne))+Math.imul(N,ie)|0,s=Math.imul(N,ne),n=n+Math.imul(O,se)|0,r=(r=r+Math.imul(O,ae)|0)+Math.imul(P,se)|0,s=s+Math.imul(P,ae)|0,n=n+Math.imul(B,ce)|0,r=(r=r+Math.imul(B,le)|0)+Math.imul(R,ce)|0,s=s+Math.imul(R,le)|0,n=n+Math.imul(I,pe)|0,r=(r=r+Math.imul(I,de)|0)+Math.imul(T,pe)|0,s=s+Math.imul(T,de)|0;var Te=(l+(n=n+Math.imul(M,he)|0)|0)+((8191&(r=(r=r+Math.imul(M,me)|0)+Math.imul(A,he)|0))<<13)|0;l=((s=s+Math.imul(A,me)|0)+(r>>>13)|0)+(Te>>>26)|0,Te&=67108863,n=Math.imul(q,se),r=(r=Math.imul(q,ae))+Math.imul(N,se)|0,s=Math.imul(N,ae),n=n+Math.imul(O,ce)|0,r=(r=r+Math.imul(O,le)|0)+Math.imul(P,ce)|0,s=s+Math.imul(P,le)|0,n=n+Math.imul(B,pe)|0,r=(r=r+Math.imul(B,de)|0)+Math.imul(R,pe)|0,s=s+Math.imul(R,de)|0;var Ce=(l+(n=n+Math.imul(I,he)|0)|0)+((8191&(r=(r=r+Math.imul(I,me)|0)+Math.imul(T,he)|0))<<13)|0;l=((s=s+Math.imul(T,me)|0)+(r>>>13)|0)+(Ce>>>26)|0,Ce&=67108863,n=Math.imul(q,ce),r=(r=Math.imul(q,le))+Math.imul(N,ce)|0,s=Math.imul(N,le),n=n+Math.imul(O,pe)|0,r=(r=r+Math.imul(O,de)|0)+Math.imul(P,pe)|0,s=s+Math.imul(P,de)|0;var Be=(l+(n=n+Math.imul(B,he)|0)|0)+((8191&(r=(r=r+Math.imul(B,me)|0)+Math.imul(R,he)|0))<<13)|0;l=((s=s+Math.imul(R,me)|0)+(r>>>13)|0)+(Be>>>26)|0,Be&=67108863,n=Math.imul(q,pe),r=(r=Math.imul(q,de))+Math.imul(N,pe)|0,s=Math.imul(N,de);var Re=(l+(n=n+Math.imul(O,he)|0)|0)+((8191&(r=(r=r+Math.imul(O,me)|0)+Math.imul(P,he)|0))<<13)|0;l=((s=s+Math.imul(P,me)|0)+(r>>>13)|0)+(Re>>>26)|0,Re&=67108863;var Le=(l+(n=Math.imul(q,he))|0)+((8191&(r=(r=Math.imul(q,me))+Math.imul(N,he)|0))<<13)|0;return l=((s=Math.imul(N,me))+(r>>>13)|0)+(Le>>>26)|0,Le&=67108863,c[0]=be,c[1]=ve,c[2]=ge,c[3]=ye,c[4]=_e,c[5]=xe,c[6]=we,c[7]=ke,c[8]=Ee,c[9]=Se,c[10]=Me,c[11]=Ae,c[12]=je,c[13]=Ie,c[14]=Te,c[15]=Ce,c[16]=Be,c[17]=Re,c[18]=Le,0!==l&&(c[19]=l,i.length++),i};function m(e,t,i){return(new b).mulp(e,t,i)}function b(e,t){this.x=e,this.y=t}Math.imul||(h=f),s.prototype.mulTo=function(e,t){var i,n=this.length+e.length;return i=10===this.length&&10===e.length?h(this,e,t):n<63?f(this,e,t):n<1024?function(e,t,i){i.negative=t.negative^e.negative,i.length=e.length+t.length;for(var n=0,r=0,s=0;s>>26)|0)>>>26,a&=67108863}i.words[s]=o,n=a,a=r}return 0!==n?i.words[s]=n:i.length--,i.strip()}(this,e,t):m(this,e,t),i},b.prototype.makeRBT=function(e){for(var t=new Array(e),i=s.prototype._countBits(e)-1,n=0;n>=1;return n},b.prototype.permute=function(e,t,i,n,r,s){for(var a=0;a>>=1)r++;return 1<>>=13,i[2*a+1]=8191&s,s>>>=13;for(a=2*t;a>=26,t+=r/67108864|0,t+=s>>>26,this.words[i]=67108863&s}return 0!==t&&(this.words[i]=t,this.length++),this},s.prototype.muln=function(e){return this.clone().imuln(e)},s.prototype.sqr=function(){return this.mul(this)},s.prototype.isqr=function(){return this.imul(this.clone())},s.prototype.pow=function(e){var t=function(e){for(var t=new Array(e.bitLength()),i=0;i>>r}return t}(e);if(0===t.length)return new s(1);for(var i=this,n=0;n=0);var t,i=e%26,r=(e-i)/26,s=67108863>>>26-i<<26-i;if(0!==i){var a=0;for(t=0;t>>26-i}a&&(this.words[t]=a,this.length++)}if(0!==r){for(t=this.length-1;t>=0;t--)this.words[t+r]=this.words[t];for(t=0;t=0),r=t?(t-t%26)/26:0;var s=e%26,a=Math.min((e-s)/26,this.length),o=67108863^67108863>>>s<a)for(this.length-=a,l=0;l=0&&(0!==u||l>=r);l--){var p=0|this.words[l];this.words[l]=u<<26-s|p>>>s,u=p&o}return c&&0!==u&&(c.words[c.length++]=u),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},s.prototype.ishrn=function(e,t,i){return n(0===this.negative),this.iushrn(e,t,i)},s.prototype.shln=function(e){return this.clone().ishln(e)},s.prototype.ushln=function(e){return this.clone().iushln(e)},s.prototype.shrn=function(e){return this.clone().ishrn(e)},s.prototype.ushrn=function(e){return this.clone().iushrn(e)},s.prototype.testn=function(e){n("number"==typeof e&&e>=0);var t=e%26,i=(e-t)/26,r=1<=0);var t=e%26,i=(e-t)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=i)return this;if(0!==t&&i++,this.length=Math.min(i,this.length),0!==t){var r=67108863^67108863>>>t<=67108864;t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=Math.max(this.length,t+1),this},s.prototype.isubn=function(e){if(n("number"==typeof e),n(e<67108864),e<0)return this.iaddn(-e);if(0!==this.negative)return this.negative=0,this.iaddn(e),this.negative=1,this;if(this.words[0]-=e,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var t=0;t>26)-(c/67108864|0),this.words[r+i]=67108863&s}for(;r>26,this.words[r+i]=67108863&s;if(0===o)return this.strip();for(n(-1===o),o=0,r=0;r>26,this.words[r]=67108863&s;return this.negative=1,this.strip()},s.prototype._wordDiv=function(e,t){var i=(this.length,e.length),n=this.clone(),r=e,a=0|r.words[r.length-1];0!==(i=26-this._countBits(a))&&(r=r.ushln(i),n.iushln(i),a=0|r.words[r.length-1]);var o,c=n.length-r.length;if("mod"!==t){(o=new s(null)).length=c+1,o.words=new Array(o.length);for(var l=0;l=0;p--){var d=67108864*(0|n.words[r.length+p])+(0|n.words[r.length+p-1]);for(d=Math.min(d/a|0,67108863),n._ishlnsubmul(r,d,p);0!==n.negative;)d--,n.negative=0,n._ishlnsubmul(r,1,p),n.isZero()||(n.negative^=1);o&&(o.words[p]=d)}return o&&o.strip(),n.strip(),"div"!==t&&0!==i&&n.iushrn(i),{div:o||null,mod:n}},s.prototype.divmod=function(e,t,i){return n(!e.isZero()),this.isZero()?{div:new s(0),mod:new s(0)}:0!==this.negative&&0===e.negative?(o=this.neg().divmod(e,t),"mod"!==t&&(r=o.div.neg()),"div"!==t&&(a=o.mod.neg(),i&&0!==a.negative&&a.iadd(e)),{div:r,mod:a}):0===this.negative&&0!==e.negative?(o=this.divmod(e.neg(),t),"mod"!==t&&(r=o.div.neg()),{div:r,mod:o.mod}):0!=(this.negative&e.negative)?(o=this.neg().divmod(e.neg(),t),"div"!==t&&(a=o.mod.neg(),i&&0!==a.negative&&a.isub(e)),{div:o.div,mod:a}):e.length>this.length||this.cmp(e)<0?{div:new s(0),mod:this}:1===e.length?"div"===t?{div:this.divn(e.words[0]),mod:null}:"mod"===t?{div:null,mod:new s(this.modn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new s(this.modn(e.words[0]))}:this._wordDiv(e,t);var r,a,o},s.prototype.div=function(e){return this.divmod(e,"div",!1).div},s.prototype.mod=function(e){return this.divmod(e,"mod",!1).mod},s.prototype.umod=function(e){return this.divmod(e,"mod",!0).mod},s.prototype.divRound=function(e){var t=this.divmod(e);if(t.mod.isZero())return t.div;var i=0!==t.div.negative?t.mod.isub(e):t.mod,n=e.ushrn(1),r=e.andln(1),s=i.cmp(n);return s<0||1===r&&0===s?t.div:0!==t.div.negative?t.div.isubn(1):t.div.iaddn(1)},s.prototype.modn=function(e){n(e<=67108863);for(var t=(1<<26)%e,i=0,r=this.length-1;r>=0;r--)i=(t*i+(0|this.words[r]))%e;return i},s.prototype.idivn=function(e){n(e<=67108863);for(var t=0,i=this.length-1;i>=0;i--){var r=(0|this.words[i])+67108864*t;this.words[i]=r/e|0,t=r%e}return this.strip()},s.prototype.divn=function(e){return this.clone().idivn(e)},s.prototype.egcd=function(e){n(0===e.negative),n(!e.isZero());var t=this,i=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var r=new s(1),a=new s(0),o=new s(0),c=new s(1),l=0;t.isEven()&&i.isEven();)t.iushrn(1),i.iushrn(1),++l;for(var u=i.clone(),p=t.clone();!t.isZero();){for(var d=0,f=1;0==(t.words[0]&f)&&d<26;++d,f<<=1);if(d>0)for(t.iushrn(d);d-- >0;)(r.isOdd()||a.isOdd())&&(r.iadd(u),a.isub(p)),r.iushrn(1),a.iushrn(1);for(var h=0,m=1;0==(i.words[0]&m)&&h<26;++h,m<<=1);if(h>0)for(i.iushrn(h);h-- >0;)(o.isOdd()||c.isOdd())&&(o.iadd(u),c.isub(p)),o.iushrn(1),c.iushrn(1);t.cmp(i)>=0?(t.isub(i),r.isub(o),a.isub(c)):(i.isub(t),o.isub(r),c.isub(a))}return{a:o,b:c,gcd:i.iushln(l)}},s.prototype._invmp=function(e){n(0===e.negative),n(!e.isZero());var t=this,i=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var r,a=new s(1),o=new s(0),c=i.clone();t.cmpn(1)>0&&i.cmpn(1)>0;){for(var l=0,u=1;0==(t.words[0]&u)&&l<26;++l,u<<=1);if(l>0)for(t.iushrn(l);l-- >0;)a.isOdd()&&a.iadd(c),a.iushrn(1);for(var p=0,d=1;0==(i.words[0]&d)&&p<26;++p,d<<=1);if(p>0)for(i.iushrn(p);p-- >0;)o.isOdd()&&o.iadd(c),o.iushrn(1);t.cmp(i)>=0?(t.isub(i),a.isub(o)):(i.isub(t),o.isub(a))}return(r=0===t.cmpn(1)?a:o).cmpn(0)<0&&r.iadd(e),r},s.prototype.gcd=function(e){if(this.isZero())return e.abs();if(e.isZero())return this.abs();var t=this.clone(),i=e.clone();t.negative=0,i.negative=0;for(var n=0;t.isEven()&&i.isEven();n++)t.iushrn(1),i.iushrn(1);for(;;){for(;t.isEven();)t.iushrn(1);for(;i.isEven();)i.iushrn(1);var r=t.cmp(i);if(r<0){var s=t;t=i,i=s}else if(0===r||0===i.cmpn(1))break;t.isub(i)}return i.iushln(n)},s.prototype.invm=function(e){return this.egcd(e).a.umod(e)},s.prototype.isEven=function(){return 0==(1&this.words[0])},s.prototype.isOdd=function(){return 1==(1&this.words[0])},s.prototype.andln=function(e){return this.words[0]&e},s.prototype.bincn=function(e){n("number"==typeof e);var t=e%26,i=(e-t)/26,r=1<>>26,o&=67108863,this.words[a]=o}return 0!==s&&(this.words[a]=s,this.length++),this},s.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},s.prototype.cmpn=function(e){var t,i=e<0;if(0!==this.negative&&!i)return-1;if(0===this.negative&&i)return 1;if(this.strip(),this.length>1)t=1;else{i&&(e=-e),n(e<=67108863,"Number is too big");var r=0|this.words[0];t=r===e?0:re.length)return 1;if(this.length=0;i--){var n=0|this.words[i],r=0|e.words[i];if(n!==r){nr&&(t=1);break}}return t},s.prototype.gtn=function(e){return 1===this.cmpn(e)},s.prototype.gt=function(e){return 1===this.cmp(e)},s.prototype.gten=function(e){return this.cmpn(e)>=0},s.prototype.gte=function(e){return this.cmp(e)>=0},s.prototype.ltn=function(e){return-1===this.cmpn(e)},s.prototype.lt=function(e){return-1===this.cmp(e)},s.prototype.lten=function(e){return this.cmpn(e)<=0},s.prototype.lte=function(e){return this.cmp(e)<=0},s.prototype.eqn=function(e){return 0===this.cmpn(e)},s.prototype.eq=function(e){return 0===this.cmp(e)},s.red=function(e){return new k(e)},s.prototype.toRed=function(e){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),e.convertTo(this)._forceRed(e)},s.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},s.prototype._forceRed=function(e){return this.red=e,this},s.prototype.forceRed=function(e){return n(!this.red,"Already a number in reduction context"),this._forceRed(e)},s.prototype.redAdd=function(e){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,e)},s.prototype.redIAdd=function(e){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,e)},s.prototype.redSub=function(e){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,e)},s.prototype.redISub=function(e){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,e)},s.prototype.redShl=function(e){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,e)},s.prototype.redMul=function(e){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.mul(this,e)},s.prototype.redIMul=function(e){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.imul(this,e)},s.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},s.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},s.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},s.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},s.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},s.prototype.redPow=function(e){return n(this.red&&!e.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,e)};var v={k256:null,p224:null,p192:null,p25519:null};function g(e,t){this.name=e,this.p=new s(t,16),this.n=this.p.bitLength(),this.k=new s(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function y(){g.call(this,"k256","ffffffff ffffffff ffffffff 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t,i=e;do{this.split(i,this.tmp),t=(i=(i=this.imulK(i)).iadd(this.tmp)).bitLength()}while(t>this.n);var n=t0?i.isub(this.p):void 0!==i.strip?i.strip():i._strip(),i},g.prototype.split=function(e,t){e.iushrn(this.n,0,t)},g.prototype.imulK=function(e){return e.imul(this.k)},r(y,g),y.prototype.split=function(e,t){for(var i=4194303,n=Math.min(e.length,9),r=0;r>>22,s=a}s>>>=22,e.words[r-10]=s,0===s&&e.length>10?e.length-=10:e.length-=9},y.prototype.imulK=function(e){e.words[e.length]=0,e.words[e.length+1]=0,e.length+=2;for(var t=0,i=0;i>>=26,e.words[i]=r,t=n}return 0!==t&&(e.words[e.length++]=t),e},s._prime=function(e){if(v[e])return v[e];var t;if("k256"===e)t=new y;else if("p224"===e)t=new _;else if("p192"===e)t=new x;else{if("p25519"!==e)throw new Error("Unknown prime "+e);t=new w}return v[e]=t,t},k.prototype._verify1=function(e){n(0===e.negative,"red works only with positives"),n(e.red,"red works only with red numbers")},k.prototype._verify2=function(e,t){n(0==(e.negative|t.negative),"red 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this._verify2(e,t),this.imod(e.mul(t))},k.prototype.isqr=function(e){return this.imul(e,e.clone())},k.prototype.sqr=function(e){return this.mul(e,e)},k.prototype.sqrt=function(e){if(e.isZero())return e.clone();var t=this.m.andln(3);if(n(t%2==1),3===t){var i=this.m.add(new s(1)).iushrn(2);return this.pow(e,i)}for(var r=this.m.subn(1),a=0;!r.isZero()&&0===r.andln(1);)a++,r.iushrn(1);n(!r.isZero());var o=new s(1).toRed(this),c=o.redNeg(),l=this.m.subn(1).iushrn(1),u=this.m.bitLength();for(u=new s(2*u*u).toRed(this);0!==this.pow(u,l).cmp(c);)u.redIAdd(c);for(var p=this.pow(u,r),d=this.pow(e,r.addn(1).iushrn(1)),f=this.pow(e,r),h=a;0!==f.cmp(o);){for(var m=f,b=0;0!==m.cmp(o);b++)m=m.redSqr();n(b=0;n--){for(var l=t.words[n],u=c-1;u>=0;u--){var p=l>>u&1;r!==i[0]&&(r=this.sqr(r)),0!==p||0!==a?(a<<=1,a|=p,(4===++o||0===n&&0===u)&&(r=this.mul(r,i[a]),o=0,a=0)):o=0}c=26}return r},k.prototype.convertTo=function(e){var t=e.umod(this.m);return t===e?t.clone():t},k.prototype.convertFrom=function(e){var t=e.clone();return t.red=null,t},s.mont=function(e){return new E(e)},r(E,k),E.prototype.convertTo=function(e){return this.imod(e.ushln(this.shift))},E.prototype.convertFrom=function(e){var t=this.imod(e.mul(this.rinv));return t.red=null,t},E.prototype.imul=function(e,t){if(e.isZero()||t.isZero())return e.words[0]=0,e.length=1,e;var i=e.imul(t),n=i.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),r=i.isub(n).iushrn(this.shift),s=r;return r.cmp(this.m)>=0?s=r.isub(this.m):r.cmpn(0)<0&&(s=r.iadd(this.m)),s._forceRed(this)},E.prototype.mul=function(e,t){if(e.isZero()||t.isZero())return new s(0)._forceRed(this);var i=e.mul(t),n=i.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),r=i.isub(n).iushrn(this.shift),a=r;return r.cmp(this.m)>=0?a=r.isub(this.m):r.cmpn(0)<0&&(a=r.iadd(this.m)),a._forceRed(this)},E.prototype.invm=function(e){return this.imod(e._invmp(this.m).mul(this.r2))._forceRed(this)}}(void 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MIT License. WebTorrent LLC */ const n=e("unordered-array-remove"),r=e("bencode"),s=e("bitfield").default,a=e("crypto"),o=e("debug")("bittorrent-protocol"),c=e("randombytes"),l=e("simple-sha1"),u=e("speedometer"),p=e("readable-stream"),d=e("rc4"),f=i.from("BitTorrent protocol"),h=i.from([0,0,0,0]),m=i.from([0,0,0,1,0]),b=i.from([0,0,0,1,1]),v=i.from([0,0,0,1,2]),g=i.from([0,0,0,1,3]),y=[0,0,0,0,0,0,0,0],_=[0,0,0,3,9,0,0],x=i.from([0,0,0,1,14]),w=i.from([0,0,0,1,15]),k=i.from([0,0,0,0,0,0,0,0]),E=i.from([0,0,1,2]),S=i.from([0,0,0,2]);function M(e,t){for(let i=e.length;i--;)e[i]^=t[i];return e}class A{constructor(e,t,i,n){this.piece=e,this.offset=t,this.length=i,this.callback=n}}class j{constructor(){this.buffer=new Uint8Array}get(e){return!0}set(e){}}class I extends p.Duplex{constructor(e=null,t=0,i=!1){super(),this._debugId=c(4).toString("hex"),this._debug("new 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s(0,{grow:4e5}),this.extensions={},this.peerExtensions={},this.requests=[],this.peerRequests=[],this.extendedMapping={},this.peerExtendedMapping={},this.extendedHandshake={},this.peerExtendedHandshake={},this.hasFast=!1,this.allowedFastSet=[],this.peerAllowedFastSet=[],this._ext={},this._nextExt=1,this.uploaded=0,this.downloaded=0,this.uploadSpeed=u(),this.downloadSpeed=u(),this._keepAliveInterval=null,this._timeout=null,this._timeoutMs=0,this._timeoutExpiresAt=null,this.destroyed=!1,this._finished=!1,this._parserSize=0,this._parser=null,this._buffer=[],this._bufferSize=0,this._peEnabled=i,i?(this._dh=a.createDiffieHellman("ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a36210000000000090563","hex",2),this._myPubKey=this._dh.generateKeys("hex")):this._myPubKey=null,this._peerPubKey=null,this._sharedSecret=null,this._peerCryptoProvide=[],this._cryptoHandshakeDone=!1,this._cryptoSyncPattern=null,this._waitMaxBytes=null,this._encryptionMethod=null,this._encryptGenerator=null,this._decryptGenerator=null,this._setGenerators=!1,this.once("finish",(()=>this._onFinish())),this.on("finish",this._onFinish),this._debug("type:",this.type),"tcpIncoming"===this.type&&this._peEnabled?this._determineHandshakeType():"tcpOutgoing"===this.type&&this._peEnabled&&0===t?this._parsePe2():this._parseHandshake(null)}setKeepAlive(e){this._debug("setKeepAlive %s",e),clearInterval(this._keepAliveInterval),!1!==e&&(this._keepAliveInterval=setInterval((()=>{this.keepAlive()}),55e3))}setTimeout(e,t){this._debug("setTimeout ms=%d unref=%s",e,t),this._timeoutMs=e,this._timeoutUnref=!!t,this._resetTimeout(!0)}destroy(){if(!this.destroyed)return this.destroyed=!0,this._debug("destroy"),this.emit("close"),this.end(),this}end(...e){return this._debug("end"),this._onUninterested(),this._onChoke(),super.end(...e)}use(e){const t=e.prototype.name;if(!t)throw new Error('Extension class requires a "name" property on the prototype');this._debug("use extension.name=%s",t);const i=this._nextExt,n=new e(this);function r(){}"function"!=typeof n.onHandshake&&(n.onHandshake=r),"function"!=typeof n.onExtendedHandshake&&(n.onExtendedHandshake=r),"function"!=typeof n.onMessage&&(n.onMessage=r),this.extendedMapping[i]=t,this._ext[t]=n,this[t]=n,this._nextExt+=1}keepAlive(){this._debug("keep-alive"),this._push(h)}sendPe1(){if(this._peEnabled){const e=Math.floor(513*Math.random()),t=c(e);this._push(i.concat([i.from(this._myPubKey,"hex"),t]))}}sendPe2(){const e=Math.floor(513*Math.random()),t=c(e);this._push(i.concat([i.from(this._myPubKey,"hex"),t]))}sendPe3(e){this.setEncrypt(this._sharedSecret,e);const t=i.from(l.sync(i.from(this._utfToHex("req1")+this._sharedSecret,"hex")),"hex"),n=M(i.from(l.sync(i.from(this._utfToHex("req2")+e,"hex")),"hex"),i.from(l.sync(i.from(this._utfToHex("req3")+this._sharedSecret,"hex")),"hex")),r=c(2).readUInt16BE(0)%512,s=c(r);let a=i.alloc(14+r+2);k.copy(a),E.copy(a,8),a.writeInt16BE(r,12),s.copy(a,14),a.writeInt16BE(0,14+r),a=this._encryptHandshake(a),this._push(i.concat([t,n,a]))}sendPe4(e){this.setEncrypt(this._sharedSecret,e);const t=c(2).readUInt16BE(0)%512,n=c(t);let r=i.alloc(14+t);k.copy(r),S.copy(r,8),r.writeInt16BE(t,12),n.copy(r,14),r=this._encryptHandshake(r),this._push(r),this._cryptoHandshakeDone=!0,this._debug("completed crypto handshake")}handshake(e,t,n){let r,s;if("string"==typeof e?(e=e.toLowerCase(),r=i.from(e,"hex")):(r=e,e=r.toString("hex")),"string"==typeof t?s=i.from(t,"hex"):(s=t,t=s.toString("hex")),this._infoHash=r,20!==r.length||20!==s.length)throw new Error("infoHash and peerId MUST have length 20");this._debug("handshake i=%s p=%s exts=%o",e,t,n);const a=i.from(y);this.extensions={extended:!0,dht:!(!n||!n.dht),fast:!(!n||!n.fast)},a[5]|=16,this.extensions.dht&&(a[7]|=1),this.extensions.fast&&(a[7]|=4),this.extensions.fast&&this.peerExtensions.fast&&(this._debug("fast extension is enabled"),this.hasFast=!0),this._push(i.concat([f,a,r,s])),this._handshakeSent=!0,this.peerExtensions.extended&&!this._extendedHandshakeSent&&this._sendExtendedHandshake()}_sendExtendedHandshake(){const e=Object.assign({},this.extendedHandshake);e.m={};for(const t in this.extendedMapping){const i=this.extendedMapping[t];e.m[i]=Number(t)}this.extended(0,r.encode(e)),this._extendedHandshakeSent=!0}choke(){if(!this.amChoking)if(this.amChoking=!0,this._debug("choke"),this._push(m),this.hasFast){let e=0;for(;this.peerRequests.length>e;){const t=this.peerRequests[e];this.allowedFastSet.includes(t.piece)?++e:this.reject(t.piece,t.offset,t.length)}}else for(;this.peerRequests.length;)this.peerRequests.pop()}unchoke(){this.amChoking&&(this.amChoking=!1,this._debug("unchoke"),this._push(b))}interested(){this.amInterested||(this.amInterested=!0,this._debug("interested"),this._push(v))}uninterested(){this.amInterested&&(this.amInterested=!1,this._debug("uninterested"),this._push(g))}have(e){this._debug("have %d",e),this._message(4,[e],null)}bitfield(e){this._debug("bitfield"),i.isBuffer(e)||(e=e.buffer),this._message(5,[],e)}request(e,t,i,n){return n||(n=()=>{}),this._finished?n(new Error("wire is closed")):!this.peerChoking||this.hasFast&&this.peerAllowedFastSet.includes(e)?(this._debug("request index=%d offset=%d length=%d",e,t,i),this.requests.push(new A(e,t,i,n)),this._timeout||this._resetTimeout(!0),void this._message(6,[e,t,i],null)):n(new Error("peer is choking"))}piece(e,t,i){this._debug("piece index=%d offset=%d",e,t),this._message(7,[e,t],i),this.uploaded+=i.length,this.uploadSpeed(i.length),this.emit("upload",i.length)}cancel(e,t,i){this._debug("cancel index=%d offset=%d length=%d",e,t,i),this._callback(this._pull(this.requests,e,t,i),new Error("request was cancelled"),null),this._message(8,[e,t,i],null)}port(e){this._debug("port %d",e);const t=i.from(_);t.writeUInt16BE(e,5),this._push(t)}suggest(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("suggest %d",e),this._message(13,[e],null)}haveAll(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-all"),this._push(x)}haveNone(){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("have-none"),this._push(w)}reject(e,t,i){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("reject index=%d offset=%d length=%d",e,t,i),this._pull(this.peerRequests,e,t,i),this._message(16,[e,t,i],null)}allowedFast(e){if(!this.hasFast)throw Error("fast extension is disabled");this._debug("allowed-fast %d",e),this.allowedFastSet.includes(e)||this.allowedFastSet.push(e),this._message(17,[e],null)}extended(e,t){if(this._debug("extended ext=%s",e),"string"==typeof e&&this.peerExtendedMapping[e]&&(e=this.peerExtendedMapping[e]),"number"!=typeof e)throw new Error(`Unrecognized extension: ${e}`);{const n=i.from([e]),s=i.isBuffer(t)?t:r.encode(t);this._message(20,[],i.concat([n,s]))}}setEncrypt(e,t){let n,r,s,a,o,c;switch(this.type){case"tcpIncoming":n=l.sync(i.from(this._utfToHex("keyB")+e+t,"hex")),r=l.sync(i.from(this._utfToHex("keyA")+e+t,"hex")),s=i.from(n,"hex"),a=[];for(const e of s.values())a.push(e);o=i.from(r,"hex"),c=[];for(const e of o.values())c.push(e);this._encryptGenerator=new d(a),this._decryptGenerator=new d(c);break;case"tcpOutgoing":n=l.sync(i.from(this._utfToHex("keyA")+e+t,"hex")),r=l.sync(i.from(this._utfToHex("keyB")+e+t,"hex")),s=i.from(n,"hex"),a=[];for(const e of s.values())a.push(e);o=i.from(r,"hex"),c=[];for(const e of o.values())c.push(e);this._encryptGenerator=new d(a),this._decryptGenerator=new d(c);break;default:return!1}for(let e=0;e<1024;e++)this._encryptGenerator.randomByte(),this._decryptGenerator.randomByte();return this._setGenerators=!0,!0}_read(){}_message(e,t,n){const r=n?n.length:0,s=i.allocUnsafe(5+4*t.length);s.writeUInt32BE(s.length+r-4,0),s[4]=e;for(let e=0;e{if(r===this._pull(this.peerRequests,e,t,i))return n?(this._debug("error satisfying request index=%d offset=%d length=%d (%s)",e,t,i,n.message),void(this.hasFast&&this.reject(e,t,i))):void this.piece(e,t,s)},r=new A(e,t,i,n);this.peerRequests.push(r),this.emit("request",e,t,i,n)}_onPiece(e,t,i){this._debug("got piece index=%d offset=%d",e,t),this._callback(this._pull(this.requests,e,t,i.length),null,i),this.downloaded+=i.length,this.downloadSpeed(i.length),this.emit("download",i.length),this.emit("piece",e,t,i)}_onCancel(e,t,i){this._debug("got cancel index=%d offset=%d length=%d",e,t,i),this._pull(this.peerRequests,e,t,i),this.emit("cancel",e,t,i)}_onPort(e){this._debug("got port %d",e),this.emit("port",e)}_onSuggest(e){if(!this.hasFast)return this._debug("Error: got suggest whereas fast extension is disabled"),void this.destroy();this._debug("got suggest %d",e),this.emit("suggest",e)}_onHaveAll(){if(!this.hasFast)return this._debug("Error: got have-all whereas fast extension is disabled"),void this.destroy();this._debug("got have-all"),this.peerPieces=new j,this.emit("have-all")}_onHaveNone(){if(!this.hasFast)return this._debug("Error: got have-none whereas fast extension is disabled"),void this.destroy();this._debug("got have-none"),this.emit("have-none")}_onReject(e,t,i){if(!this.hasFast)return this._debug("Error: got reject whereas fast extension is disabled"),void this.destroy();this._debug("got reject index=%d offset=%d length=%d",e,t,i),this._callback(this._pull(this.requests,e,t,i),new Error("request was rejected"),null),this.emit("reject",e,t,i)}_onAllowedFast(e){if(!this.hasFast)return this._debug("Error: got allowed-fast whereas fast extension is disabled"),void this.destroy();this._debug("got allowed-fast %d",e),this.peerAllowedFastSet.includes(e)||this.peerAllowedFastSet.push(e),this.peerAllowedFastSet.length>100&&this.peerAllowedFastSet.shift(),this.emit("allowed-fast",e)}_onExtended(e,t){if(0===e){let e;try{e=r.decode(t)}catch(e){this._debug("ignoring invalid extended handshake: %s",e.message||e)}if(!e)return;if(this.peerExtendedHandshake=e,"object"==typeof e.m)for(const t in e.m)this.peerExtendedMapping[t]=Number(e.m[t].toString());for(const e in this._ext)this.peerExtendedMapping[e]&&this._ext[e].onExtendedHandshake(this.peerExtendedHandshake);this._debug("got extended handshake"),this.emit("extended","handshake",this.peerExtendedHandshake)}else this.extendedMapping[e]&&(e=this.extendedMapping[e],this._ext[e]&&this._ext[e].onMessage(t)),this._debug("got extended message ext=%s",e),this.emit("extended",e,t)}_onTimeout(){this._debug("request timed out"),this._callback(this.requests.shift(),new Error("request has timed out"),null),this.emit("timeout")}_write(e,t,n){if(2===this._encryptionMethod&&this._cryptoHandshakeDone&&(e=this._decrypt(e)),this._bufferSize+=e.length,this._buffer.push(e),this._buffer.length>1&&(this._buffer=[i.concat(this._buffer,this._bufferSize)]),this._cryptoSyncPattern){const t=this._buffer[0].indexOf(this._cryptoSyncPattern);if(-1!==t)this._buffer[0]=this._buffer[0].slice(t+this._cryptoSyncPattern.length),this._bufferSize-=t+this._cryptoSyncPattern.length,this._cryptoSyncPattern=null;else if(this._bufferSize+e.length>this._waitMaxBytes+this._cryptoSyncPattern.length)return this._debug("Error: could not resynchronize"),void this.destroy()}for(;this._bufferSize>=this._parserSize&&!this._cryptoSyncPattern;)if(0===this._parserSize)this._parser(i.from([]));else{const e=this._buffer[0];this._bufferSize-=this._parserSize,this._buffer=this._bufferSize?[e.slice(this._parserSize)]:[],this._parser(e.slice(0,this._parserSize))}n(null)}_callback(e,t,i){e&&(this._resetTimeout(!this.peerChoking&&!this._finished),e.callback(t,i))}_resetTimeout(e){if(!e||!this._timeoutMs||!this.requests.length)return clearTimeout(this._timeout),this._timeout=null,void(this._timeoutExpiresAt=null);const t=Date.now()+this._timeoutMs;if(this._timeout){if(t-this._timeoutExpiresAt<.05*this._timeoutMs)return;clearTimeout(this._timeout)}this._timeoutExpiresAt=t,this._timeout=setTimeout((()=>this._onTimeout()),this._timeoutMs),this._timeoutUnref&&this._timeout.unref&&this._timeout.unref()}_parse(e,t){this._parserSize=e,this._parser=t}_parseUntil(e,t){this._cryptoSyncPattern=e,this._waitMaxBytes=t}_onMessageLength(e){const t=e.readUInt32BE(0);t>0?this._parse(t,this._onMessage):(this._onKeepAlive(),this._parse(4,this._onMessageLength))}_onMessage(e){switch(this._parse(4,this._onMessageLength),e[0]){case 0:return this._onChoke();case 1:return this._onUnchoke();case 2:return this._onInterested();case 3:return this._onUninterested();case 4:return this._onHave(e.readUInt32BE(1));case 5:return this._onBitField(e.slice(1));case 6:return this._onRequest(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 7:return this._onPiece(e.readUInt32BE(1),e.readUInt32BE(5),e.slice(9));case 8:return this._onCancel(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 9:return this._onPort(e.readUInt16BE(1));case 13:return this._onSuggest(e.readUInt32BE(1));case 14:return this._onHaveAll();case 15:return this._onHaveNone();case 16:return this._onReject(e.readUInt32BE(1),e.readUInt32BE(5),e.readUInt32BE(9));case 17:return this._onAllowedFast(e.readUInt32BE(1));case 20:return this._onExtended(e.readUInt8(1),e.slice(2));default:return this._debug("got unknown message"),this.emit("unknownmessage",e)}}_determineHandshakeType(){this._parse(1,(e=>{const t=e.readUInt8(0);19===t?this._parse(t+48,this._onHandshakeBuffer):this._parsePe1(e)}))}_parsePe1(e){this._parse(95,(t=>{this._onPe1(i.concat([e,t])),this._parsePe3()}))}_parsePe2(){this._parse(96,(e=>{for(this._onPe2(e);!this._setGenerators;);this._parsePe4()}))}_parsePe3(){const e=i.from(l.sync(i.from(this._utfToHex("req1")+this._sharedSecret,"hex")),"hex");this._parseUntil(e,512),this._parse(20,(e=>{for(this._onPe3(e);!this._setGenerators;);this._parsePe3Encrypted()}))}_parsePe3Encrypted(){this._parse(14,(e=>{const t=this._decryptHandshake(e.slice(0,8)),i=this._decryptHandshake(e.slice(8,12)),n=this._decryptHandshake(e.slice(12,14)).readUInt16BE(0);this._parse(n,(e=>{e=this._decryptHandshake(e),this._parse(2,(n=>{const r=this._decryptHandshake(n).readUInt16BE(0);this._parse(r,(n=>{n=this._decryptHandshake(n),this._onPe3Encrypted(t,i,e,n);const s=r?n.readUInt8(0):null,a=r?n.slice(1,20):null;19===s&&"BitTorrent protocol"===a.toString()?this._onHandshakeBuffer(n.slice(1)):this._parseHandshake()}))}))}))}))}_parsePe4(){const e=this._decryptHandshake(k);this._parseUntil(e,512),this._parse(6,(e=>{const t=this._decryptHandshake(e.slice(0,4)),i=this._decryptHandshake(e.slice(4,6)).readUInt16BE(0);this._parse(i,(e=>{this._decryptHandshake(e),this._onPe4(t),this._parseHandshake(null)}))}))}_parseHandshake(){this._parse(1,(e=>{const t=e.readUInt8(0);if(19!==t)return this._debug("Error: wire not speaking BitTorrent protocol (%s)",t.toString()),void this.end();this._parse(t+48,this._onHandshakeBuffer)}))}_onHandshakeBuffer(e){const t=e.slice(0,19);if("BitTorrent protocol"!==t.toString())return this._debug("Error: wire not speaking BitTorrent protocol (%s)",t.toString()),void this.end();e=e.slice(19),this._onHandshake(e.slice(8,28),e.slice(28,48),{dht:!!(1&e[7]),fast:!!(4&e[7]),extended:!!(16&e[5])}),this._parse(4,this._onMessageLength)}_onFinish(){for(this._finished=!0,this.push(null);this.read(););for(clearInterval(this._keepAliveInterval),this._parse(Number.MAX_VALUE,(()=>{}));this.peerRequests.length;)this.peerRequests.pop();for(;this.requests.length;)this._callback(this.requests.pop(),new Error("wire was closed"),null)}_debug(...e){e[0]=`[${this._debugId}] ${e[0]}`,o(...e)}_pull(e,t,i,r){for(let s=0;s2?"one of ".concat(t," ").concat(e.slice(0,i-1).join(", "),", or ")+e[i-1]:2===i?"one of ".concat(t," ").concat(e[0]," or ").concat(e[1]):"of ".concat(t," ").concat(e[0])}return"of ".concat(t," ").concat(String(e))}r("ERR_INVALID_OPT_VALUE",(function(e,t){return'The value "'+t+'" is invalid for option "'+e+'"'}),TypeError),r("ERR_INVALID_ARG_TYPE",(function(e,t,i){var n,r,a,o;if("string"==typeof t&&(r="not ",t.substr(!a||a<0?0:+a,r.length)===r)?(n="must not be",t=t.replace(/^not /,"")):n="must be",function(e,t,i){return(void 0===i||i>e.length)&&(i=e.length),e.substring(i-t.length,i)===t}(e," argument"))o="The ".concat(e," ").concat(n," ").concat(s(t,"type"));else{var c=function(e,t,i){return"number"!=typeof i&&(i=0),!(i+t.length>e.length)&&-1!==e.indexOf(t,i)}(e,".")?"property":"argument";o='The "'.concat(e,'" ').concat(c," ").concat(n," ").concat(s(t,"type"))}return o+=". Received type ".concat(typeof i)}),TypeError),r("ERR_STREAM_PUSH_AFTER_EOF","stream.push() after EOF"),r("ERR_METHOD_NOT_IMPLEMENTED",(function(e){return"The "+e+" method is not implemented"})),r("ERR_STREAM_PREMATURE_CLOSE","Premature close"),r("ERR_STREAM_DESTROYED",(function(e){return"Cannot call "+e+" after a stream was destroyed"})),r("ERR_MULTIPLE_CALLBACK","Callback called multiple times"),r("ERR_STREAM_CANNOT_PIPE","Cannot pipe, not readable"),r("ERR_STREAM_WRITE_AFTER_END","write after end"),r("ERR_STREAM_NULL_VALUES","May not write null values to stream",TypeError),r("ERR_UNKNOWN_ENCODING",(function(e){return"Unknown encoding: "+e}),TypeError),r("ERR_STREAM_UNSHIFT_AFTER_END_EVENT","stream.unshift() after end event"),t.exports.codes=n},{}],29:[function(e,t,i){(function(i){(function(){"use strict";var n=Object.keys||function(e){var t=[];for(var i in e)t.push(i);return t};t.exports=l;var r=e("./_stream_readable"),s=e("./_stream_writable");e("inherits")(l,r);for(var a=n(s.prototype),o=0;o0)if("string"==typeof t||a.objectMode||Object.getPrototypeOf(t)===o.prototype||(t=function(e){return o.from(e)}(t)),n)a.endEmitted?w(e,new x):A(e,a,t,!0);else if(a.ended)w(e,new y);else{if(a.destroyed)return!1;a.reading=!1,a.decoder&&!i?(t=a.decoder.write(t),a.objectMode||0!==t.length?A(e,a,t,!1):B(e,a)):A(e,a,t,!1)}else n||(a.reading=!1,B(e,a));return!a.ended&&(a.lengtht.highWaterMark&&(t.highWaterMark=function(e){return e>=j?e=j:(e--,e|=e>>>1,e|=e>>>2,e|=e>>>4,e|=e>>>8,e|=e>>>16,e++),e}(e)),e<=t.length?e:t.ended?t.length:(t.needReadable=!0,0))}function T(e){var t=e._readableState;l("emitReadable",t.needReadable,t.emittedReadable),t.needReadable=!1,t.emittedReadable||(l("emitReadable",t.flowing),t.emittedReadable=!0,i.nextTick(C,e))}function C(e){var 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this.socket.once("connect",(()=>{this.scrape(e)}));const t={action:"scrape",info_hash:Array.isArray(e.infoHash)&&e.infoHash.length>0?e.infoHash.map((e=>e.toString("binary"))):e.infoHash&&e.infoHash.toString("binary")||this.client._infoHashBinary};this._send(t)}destroy(e=f){if(this.destroyed)return e(null);this.destroyed=!0,clearInterval(this.interval),clearTimeout(this.reconnectTimer);for(const e in this.peers){const t=this.peers[e];clearTimeout(t.trackerTimeout),t.destroy()}if(this.peers=null,this.socket&&(this.socket.removeListener("connect",this._onSocketConnectBound),this.socket.removeListener("data",this._onSocketDataBound),this.socket.removeListener("close",this._onSocketCloseBound),this.socket.removeListener("error",this._onSocketErrorBound),this.socket=null),this._onSocketConnectBound=null,this._onSocketErrorBound=null,this._onSocketDataBound=null,this._onSocketCloseBound=null,p[this.announceUrl]&&(p[this.announceUrl].consumers-=1),p[this.announceUrl].consumers>0)return e();let t,i=p[this.announceUrl];if(delete p[this.announceUrl],i.on("error",f),i.once("close",e),!this.expectingResponse)return n();function n(){t&&(clearTimeout(t),t=null),i.removeListener("data",n),i.destroy(),i=null}t=setTimeout(n,l.DESTROY_TIMEOUT),i.once("data",n)}_openSocket(){if(this.destroyed=!1,this.peers||(this.peers={}),this._onSocketConnectBound=()=>{this._onSocketConnect()},this._onSocketErrorBound=e=>{this._onSocketError(e)},this._onSocketDataBound=e=>{this._onSocketData(e)},this._onSocketCloseBound=()=>{this._onSocketClose()},this.socket=p[this.announceUrl],this.socket)p[this.announceUrl].consumers+=1,this.socket.connected&&this._onSocketConnectBound();else{const e=new URL(this.announceUrl);let t;this.client._proxyOpts&&(t="wss:"===e.protocol?this.client._proxyOpts.httpsAgent:this.client._proxyOpts.httpAgent,!t&&this.client._proxyOpts.socksProxy&&(t=new c.Agent(n(this.client._proxyOpts.socksProxy),"wss:"===e.protocol))),this.socket=p[this.announceUrl]=new o({url:this.announceUrl,agent:t}),this.socket.consumers=1,this.socket.once("connect",this._onSocketConnectBound)}this.socket.on("data",this._onSocketDataBound),this.socket.once("close",this._onSocketCloseBound),this.socket.once("error",this._onSocketErrorBound)}_onSocketConnect(){this.destroyed||this.reconnecting&&(this.reconnecting=!1,this.retries=0,this.announce(this.client._defaultAnnounceOpts()))}_onSocketData(e){if(!this.destroyed){this.expectingResponse=!1;try{e=JSON.parse(e)}catch(e){return void this.client.emit("warning",new Error("Invalid tracker response"))}"announce"===e.action?this._onAnnounceResponse(e):"scrape"===e.action?this._onScrapeResponse(e):this._onSocketError(new Error(`invalid action in WS response: ${e.action}`))}}_onAnnounceResponse(e){if(e.info_hash!==this.client._infoHashBinary)return void r("ignoring websocket data from %s for %s (looking for %s: reused 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i={action:"announce",info_hash:this.client._infoHashBinary,peer_id:this.client._peerIdBinary,to_peer_id:e.peer_id,answer:t,offer_id:e.offer_id};this._trackerId&&(i.trackerid=this._trackerId),this._send(i)})),this.client.emit("peer",a),a.signal(e.offer)),e.answer&&e.peer_id){const t=l.binaryToHex(e.offer_id);a=this.peers[t],a?(a.id=l.binaryToHex(e.peer_id),this.client.emit("peer",a),a.signal(e.answer),clearTimeout(a.trackerTimeout),a.trackerTimeout=null,delete this.peers[t]):r(`got unexpected answer: ${JSON.stringify(e.answer)}`)}}_onScrapeResponse(e){e=e.files||{};const t=Object.keys(e);0!==t.length?t.forEach((t=>{const i=Object.assign(e[t],{announce:this.announceUrl,infoHash:l.binaryToHex(t)});this.client.emit("scrape",i)})):this.client.emit("warning",new Error("invalid scrape response"))}_onSocketClose(){this.destroyed||(this.destroy(),this._startReconnectTimer())}_onSocketError(e){this.destroyed||(this.destroy(),this.client.emit("warning",e),this._startReconnectTimer())}_startReconnectTimer(){const e=Math.floor(3e5*Math.random())+Math.min(1e4*Math.pow(2,this.retries),36e5);this.reconnecting=!0,clearTimeout(this.reconnectTimer),this.reconnectTimer=setTimeout((()=>{this.retries++,this._openSocket()}),e),this.reconnectTimer.unref&&this.reconnectTimer.unref(),r("reconnecting socket in %s ms",e)}_send(e){if(this.destroyed)return;this.expectingResponse=!0;const t=JSON.stringify(e);r("send %s",t),this.socket.send(t)}_generateOffers(e,t){const i=this,n=[];r("generating %s offers",e);for(let t=0;t{n.push({offer:t,offer_id:l.hexToBinary(e)}),o()})),t.trackerTimeout=setTimeout((()=>{r("tracker timeout: destroying peer"),t.trackerTimeout=null,delete i.peers[e],t.destroy()}),5e4),t.trackerTimeout.unref&&t.trackerTimeout.unref()}function o(){n.length===e&&(r("generated 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MIT License. Feross Aboukhadijeh */ t.exports=function(t,i){if("undefined"==typeof Blob||!(t instanceof Blob))throw new Error("first argument must be a Blob");if("function"!=typeof i)throw new Error("second argument must be a function");const n=new FileReader;n.addEventListener("loadend",(function t(r){n.removeEventListener("loadend",t,!1),r.error?i(r.error):i(null,e.from(n.result))}),!1),n.readAsArrayBuffer(t)}}).call(this)}).call(this,e("buffer").Buffer)},{buffer:109}],48:[function(e,t,i){(function(i){(function(){const{Transform:n}=e("readable-stream");t.exports=class extends n{constructor(e,t={}){super(t),"object"==typeof e&&(e=(t=e).size),this.size=e||512;const{nopad:i,zeroPadding:n=!0}=t;this._zeroPadding=!i&&!!n,this._buffered=[],this._bufferedBytes=0}_transform(e,t,n){for(this._bufferedBytes+=e.length,this._buffered.push(e);this._bufferedBytes>=this.size;){this._bufferedBytes-=this.size;const e=[];let t=0;for(;t=48&&i<=57?i-48:i>=65&&i<=70?i-55:i>=97&&i<=102?i-87:void n(!1,"Invalid character in "+e)}function c(e,t,i){var n=o(e,i);return i-1>=t&&(n|=o(e,i-1)<<4),n}function l(e,t,i,r){for(var s=0,a=0,o=Math.min(e.length,i),c=t;c=49?l-49+10:l>=17?l-17+10:l,n(l>=0&&a0?e:t},s.min=function(e,t){return e.cmp(t)<0?e:t},s.prototype._init=function(e,t,i){if("number"==typeof e)return this._initNumber(e,t,i);if("object"==typeof e)return this._initArray(e,t,i);"hex"===t&&(t=16),n(t===(0|t)&&t>=2&&t<=36);var r=0;"-"===(e=e.toString().replace(/\s+/g,""))[0]&&(r++,this.negative=1),r=0;r-=3)a=e[r]|e[r-1]<<8|e[r-2]<<16,this.words[s]|=a<>>26-o&67108863,(o+=24)>=26&&(o-=26,s++);else if("le"===i)for(r=0,s=0;r>>26-o&67108863,(o+=24)>=26&&(o-=26,s++);return this._strip()},s.prototype._parseHex=function(e,t,i){this.length=Math.ceil((e.length-t)/6),this.words=new Array(this.length);for(var n=0;n=t;n-=2)r=c(e,t,n)<=18?(s-=18,a+=1,this.words[a]|=r>>>26):s+=8;else for(n=(e.length-t)%2==0?t+1:t;n=18?(s-=18,a+=1,this.words[a]|=r>>>26):s+=8;this._strip()},s.prototype._parseBase=function(e,t,i){this.words=[0],this.length=1;for(var n=0,r=1;r<=67108863;r*=t)n++;n--,r=r/t|0;for(var s=e.length-i,a=s%n,o=Math.min(s,s-a)+i,c=0,u=i;u1&&0===this.words[this.length-1];)this.length--;return this._normSign()},s.prototype._normSign=function(){return 1===this.length&&0===this.words[0]&&(this.negative=0),this},"undefined"!=typeof Symbol&&"function"==typeof Symbol.for)try{s.prototype[Symbol.for("nodejs.util.inspect.custom")]=p}catch(e){s.prototype.inspect=p}else s.prototype.inspect=p;function p(){return(this.red?""}var d=["","0","00","000","0000","00000","000000","0000000","00000000","000000000","0000000000","00000000000","000000000000","0000000000000","00000000000000","000000000000000","0000000000000000","00000000000000000","000000000000000000","0000000000000000000","00000000000000000000","000000000000000000000","0000000000000000000000","00000000000000000000000","000000000000000000000000","0000000000000000000000000"],f=[0,0,25,16,12,11,10,9,8,8,7,7,7,7,6,6,6,6,6,6,6,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5],h=[0,0,33554432,43046721,16777216,48828125,60466176,40353607,16777216,43046721,1e7,19487171,35831808,62748517,7529536,11390625,16777216,24137569,34012224,47045881,64e6,4084101,5153632,6436343,7962624,9765625,11881376,14348907,17210368,20511149,243e5,28629151,33554432,39135393,45435424,52521875,60466176];s.prototype.toString=function(e,t){var i;if(t=0|t||1,16===(e=e||10)||"hex"===e){i="";for(var r=0,s=0,a=0;a>>24-r&16777215)||a!==this.length-1?d[6-c.length]+c+i:c+i,(r+=2)>=26&&(r-=26,a--)}for(0!==s&&(i=s.toString(16)+i);i.length%t!=0;)i="0"+i;return 0!==this.negative&&(i="-"+i),i}if(e===(0|e)&&e>=2&&e<=36){var l=f[e],u=h[e];i="";var p=this.clone();for(p.negative=0;!p.isZero();){var m=p.modrn(u).toString(e);i=(p=p.idivn(u)).isZero()?m+i:d[l-m.length]+m+i}for(this.isZero()&&(i="0"+i);i.length%t!=0;)i="0"+i;return 0!==this.negative&&(i="-"+i),i}n(!1,"Base should be between 2 and 36")},s.prototype.toNumber=function(){var e=this.words[0];return 2===this.length?e+=67108864*this.words[1]:3===this.length&&1===this.words[2]?e+=4503599627370496+67108864*this.words[1]:this.length>2&&n(!1,"Number can only safely store up to 53 bits"),0!==this.negative?-e:e},s.prototype.toJSON=function(){return this.toString(16,2)},a&&(s.prototype.toBuffer=function(e,t){return this.toArrayLike(a,e,t)}),s.prototype.toArray=function(e,t){return this.toArrayLike(Array,e,t)};function m(e,t,i){i.negative=t.negative^e.negative;var n=e.length+t.length|0;i.length=n,n=n-1|0;var r=0|e.words[0],s=0|t.words[0],a=r*s,o=67108863&a,c=a/67108864|0;i.words[0]=o;for(var l=1;l>>26,p=67108863&c,d=Math.min(l,t.length-1),f=Math.max(0,l-e.length+1);f<=d;f++){var h=l-f|0;u+=(a=(r=0|e.words[h])*(s=0|t.words[f])+p)/67108864|0,p=67108863&a}i.words[l]=0|p,c=0|u}return 0!==c?i.words[l]=0|c:i.length--,i._strip()}s.prototype.toArrayLike=function(e,t,i){this._strip();var r=this.byteLength(),s=i||Math.max(1,r);n(r<=s,"byte array longer than desired length"),n(s>0,"Requested array length <= 0");var a=function(e,t){return e.allocUnsafe?e.allocUnsafe(t):new e(t)}(e,s);return this["_toArrayLike"+("le"===t?"LE":"BE")](a,r),a},s.prototype._toArrayLikeLE=function(e,t){for(var i=0,n=0,r=0,s=0;r>8&255),i>16&255),6===s?(i>24&255),n=0,s=0):(n=a>>>24,s+=2)}if(i=0&&(e[i--]=a>>8&255),i>=0&&(e[i--]=a>>16&255),6===s?(i>=0&&(e[i--]=a>>24&255),n=0,s=0):(n=a>>>24,s+=2)}if(i>=0)for(e[i--]=n;i>=0;)e[i--]=0},Math.clz32?s.prototype._countBits=function(e){return 32-Math.clz32(e)}:s.prototype._countBits=function(e){var t=e,i=0;return t>=4096&&(i+=13,t>>>=13),t>=64&&(i+=7,t>>>=7),t>=8&&(i+=4,t>>>=4),t>=2&&(i+=2,t>>>=2),i+t},s.prototype._zeroBits=function(e){if(0===e)return 26;var t=e,i=0;return 0==(8191&t)&&(i+=13,t>>>=13),0==(127&t)&&(i+=7,t>>>=7),0==(15&t)&&(i+=4,t>>>=4),0==(3&t)&&(i+=2,t>>>=2),0==(1&t)&&i++,i},s.prototype.bitLength=function(){var e=this.words[this.length-1],t=this._countBits(e);return 26*(this.length-1)+t},s.prototype.zeroBits=function(){if(this.isZero())return 0;for(var e=0,t=0;te.length?this.clone().ior(e):e.clone().ior(this)},s.prototype.uor=function(e){return this.length>e.length?this.clone().iuor(e):e.clone().iuor(this)},s.prototype.iuand=function(e){var t;t=this.length>e.length?e:this;for(var i=0;ie.length?this.clone().iand(e):e.clone().iand(this)},s.prototype.uand=function(e){return this.length>e.length?this.clone().iuand(e):e.clone().iuand(this)},s.prototype.iuxor=function(e){var t,i;this.length>e.length?(t=this,i=e):(t=e,i=this);for(var n=0;ne.length?this.clone().ixor(e):e.clone().ixor(this)},s.prototype.uxor=function(e){return this.length>e.length?this.clone().iuxor(e):e.clone().iuxor(this)},s.prototype.inotn=function(e){n("number"==typeof e&&e>=0);var t=0|Math.ceil(e/26),i=e%26;this._expand(t),i>0&&t--;for(var r=0;r0&&(this.words[r]=~this.words[r]&67108863>>26-i),this._strip()},s.prototype.notn=function(e){return this.clone().inotn(e)},s.prototype.setn=function(e,t){n("number"==typeof e&&e>=0);var i=e/26|0,r=e%26;return this._expand(i+1),this.words[i]=t?this.words[i]|1<e.length?(i=this,n=e):(i=e,n=this);for(var r=0,s=0;s>>26;for(;0!==r&&s>>26;if(this.length=i.length,0!==r)this.words[this.length]=r,this.length++;else if(i!==this)for(;se.length?this.clone().iadd(e):e.clone().iadd(this)},s.prototype.isub=function(e){if(0!==e.negative){e.negative=0;var t=this.iadd(e);return e.negative=1,t._normSign()}if(0!==this.negative)return this.negative=0,this.iadd(e),this.negative=1,this._normSign();var i,n,r=this.cmp(e);if(0===r)return this.negative=0,this.length=1,this.words[0]=0,this;r>0?(i=this,n=e):(i=e,n=this);for(var s=0,a=0;a>26,this.words[a]=67108863&t;for(;0!==s&&a>26,this.words[a]=67108863&t;if(0===s&&a>>13,f=0|a[1],h=8191&f,m=f>>>13,b=0|a[2],v=8191&b,g=b>>>13,y=0|a[3],_=8191&y,x=y>>>13,w=0|a[4],k=8191&w,E=w>>>13,S=0|a[5],M=8191&S,A=S>>>13,j=0|a[6],I=8191&j,T=j>>>13,C=0|a[7],B=8191&C,R=C>>>13,L=0|a[8],O=8191&L,P=L>>>13,U=0|a[9],q=8191&U,N=U>>>13,D=0|o[0],z=8191&D,H=D>>>13,F=0|o[1],W=8191&F,V=F>>>13,K=0|o[2],$=8191&K,G=K>>>13,X=0|o[3],Y=8191&X,Z=X>>>13,J=0|o[4],Q=8191&J,ee=J>>>13,te=0|o[5],ie=8191&te,ne=te>>>13,re=0|o[6],se=8191&re,ae=re>>>13,oe=0|o[7],ce=8191&oe,le=oe>>>13,ue=0|o[8],pe=8191&ue,de=ue>>>13,fe=0|o[9],he=8191&fe,me=fe>>>13;i.negative=e.negative^t.negative,i.length=19;var be=(l+(n=Math.imul(p,z))|0)+((8191&(r=(r=Math.imul(p,H))+Math.imul(d,z)|0))<<13)|0;l=((s=Math.imul(d,H))+(r>>>13)|0)+(be>>>26)|0,be&=67108863,n=Math.imul(h,z),r=(r=Math.imul(h,H))+Math.imul(m,z)|0,s=Math.imul(m,H);var ve=(l+(n=n+Math.imul(p,W)|0)|0)+((8191&(r=(r=r+Math.imul(p,V)|0)+Math.imul(d,W)|0))<<13)|0;l=((s=s+Math.imul(d,V)|0)+(r>>>13)|0)+(ve>>>26)|0,ve&=67108863,n=Math.imul(v,z),r=(r=Math.imul(v,H))+Math.imul(g,z)|0,s=Math.imul(g,H),n=n+Math.imul(h,W)|0,r=(r=r+Math.imul(h,V)|0)+Math.imul(m,W)|0,s=s+Math.imul(m,V)|0;var ge=(l+(n=n+Math.imul(p,$)|0)|0)+((8191&(r=(r=r+Math.imul(p,G)|0)+Math.imul(d,$)|0))<<13)|0;l=((s=s+Math.imul(d,G)|0)+(r>>>13)|0)+(ge>>>26)|0,ge&=67108863,n=Math.imul(_,z),r=(r=Math.imul(_,H))+Math.imul(x,z)|0,s=Math.imul(x,H),n=n+Math.imul(v,W)|0,r=(r=r+Math.imul(v,V)|0)+Math.imul(g,W)|0,s=s+Math.imul(g,V)|0,n=n+Math.imul(h,$)|0,r=(r=r+Math.imul(h,G)|0)+Math.imul(m,$)|0,s=s+Math.imul(m,G)|0;var ye=(l+(n=n+Math.imul(p,Y)|0)|0)+((8191&(r=(r=r+Math.imul(p,Z)|0)+Math.imul(d,Y)|0))<<13)|0;l=((s=s+Math.imul(d,Z)|0)+(r>>>13)|0)+(ye>>>26)|0,ye&=67108863,n=Math.imul(k,z),r=(r=Math.imul(k,H))+Math.imul(E,z)|0,s=Math.imul(E,H),n=n+Math.imul(_,W)|0,r=(r=r+Math.imul(_,V)|0)+Math.imul(x,W)|0,s=s+Math.imul(x,V)|0,n=n+Math.imul(v,$)|0,r=(r=r+Math.imul(v,G)|0)+Math.imul(g,$)|0,s=s+Math.imul(g,G)|0,n=n+Math.imul(h,Y)|0,r=(r=r+Math.imul(h,Z)|0)+Math.imul(m,Y)|0,s=s+Math.imul(m,Z)|0;var _e=(l+(n=n+Math.imul(p,Q)|0)|0)+((8191&(r=(r=r+Math.imul(p,ee)|0)+Math.imul(d,Q)|0))<<13)|0;l=((s=s+Math.imul(d,ee)|0)+(r>>>13)|0)+(_e>>>26)|0,_e&=67108863,n=Math.imul(M,z),r=(r=Math.imul(M,H))+Math.imul(A,z)|0,s=Math.imul(A,H),n=n+Math.imul(k,W)|0,r=(r=r+Math.imul(k,V)|0)+Math.imul(E,W)|0,s=s+Math.imul(E,V)|0,n=n+Math.imul(_,$)|0,r=(r=r+Math.imul(_,G)|0)+Math.imul(x,$)|0,s=s+Math.imul(x,G)|0,n=n+Math.imul(v,Y)|0,r=(r=r+Math.imul(v,Z)|0)+Math.imul(g,Y)|0,s=s+Math.imul(g,Z)|0,n=n+Math.imul(h,Q)|0,r=(r=r+Math.imul(h,ee)|0)+Math.imul(m,Q)|0,s=s+Math.imul(m,ee)|0;var xe=(l+(n=n+Math.imul(p,ie)|0)|0)+((8191&(r=(r=r+Math.imul(p,ne)|0)+Math.imul(d,ie)|0))<<13)|0;l=((s=s+Math.imul(d,ne)|0)+(r>>>13)|0)+(xe>>>26)|0,xe&=67108863,n=Math.imul(I,z),r=(r=Math.imul(I,H))+Math.imul(T,z)|0,s=Math.imul(T,H),n=n+Math.imul(M,W)|0,r=(r=r+Math.imul(M,V)|0)+Math.imul(A,W)|0,s=s+Math.imul(A,V)|0,n=n+Math.imul(k,$)|0,r=(r=r+Math.imul(k,G)|0)+Math.imul(E,$)|0,s=s+Math.imul(E,G)|0,n=n+Math.imul(_,Y)|0,r=(r=r+Math.imul(_,Z)|0)+Math.imul(x,Y)|0,s=s+Math.imul(x,Z)|0,n=n+Math.imul(v,Q)|0,r=(r=r+Math.imul(v,ee)|0)+Math.imul(g,Q)|0,s=s+Math.imul(g,ee)|0,n=n+Math.imul(h,ie)|0,r=(r=r+Math.imul(h,ne)|0)+Math.imul(m,ie)|0,s=s+Math.imul(m,ne)|0;var we=(l+(n=n+Math.imul(p,se)|0)|0)+((8191&(r=(r=r+Math.imul(p,ae)|0)+Math.imul(d,se)|0))<<13)|0;l=((s=s+Math.imul(d,ae)|0)+(r>>>13)|0)+(we>>>26)|0,we&=67108863,n=Math.imul(B,z),r=(r=Math.imul(B,H))+Math.imul(R,z)|0,s=Math.imul(R,H),n=n+Math.imul(I,W)|0,r=(r=r+Math.imul(I,V)|0)+Math.imul(T,W)|0,s=s+Math.imul(T,V)|0,n=n+Math.imul(M,$)|0,r=(r=r+Math.imul(M,G)|0)+Math.imul(A,$)|0,s=s+Math.imul(A,G)|0,n=n+Math.imul(k,Y)|0,r=(r=r+Math.imul(k,Z)|0)+Math.imul(E,Y)|0,s=s+Math.imul(E,Z)|0,n=n+Math.imul(_,Q)|0,r=(r=r+Math.imul(_,ee)|0)+Math.imul(x,Q)|0,s=s+Math.imul(x,ee)|0,n=n+Math.imul(v,ie)|0,r=(r=r+Math.imul(v,ne)|0)+Math.imul(g,ie)|0,s=s+Math.imul(g,ne)|0,n=n+Math.imul(h,se)|0,r=(r=r+Math.imul(h,ae)|0)+Math.imul(m,se)|0,s=s+Math.imul(m,ae)|0;var ke=(l+(n=n+Math.imul(p,ce)|0)|0)+((8191&(r=(r=r+Math.imul(p,le)|0)+Math.imul(d,ce)|0))<<13)|0;l=((s=s+Math.imul(d,le)|0)+(r>>>13)|0)+(ke>>>26)|0,ke&=67108863,n=Math.imul(O,z),r=(r=Math.imul(O,H))+Math.imul(P,z)|0,s=Math.imul(P,H),n=n+Math.imul(B,W)|0,r=(r=r+Math.imul(B,V)|0)+Math.imul(R,W)|0,s=s+Math.imul(R,V)|0,n=n+Math.imul(I,$)|0,r=(r=r+Math.imul(I,G)|0)+Math.imul(T,$)|0,s=s+Math.imul(T,G)|0,n=n+Math.imul(M,Y)|0,r=(r=r+Math.imul(M,Z)|0)+Math.imul(A,Y)|0,s=s+Math.imul(A,Z)|0,n=n+Math.imul(k,Q)|0,r=(r=r+Math.imul(k,ee)|0)+Math.imul(E,Q)|0,s=s+Math.imul(E,ee)|0,n=n+Math.imul(_,ie)|0,r=(r=r+Math.imul(_,ne)|0)+Math.imul(x,ie)|0,s=s+Math.imul(x,ne)|0,n=n+Math.imul(v,se)|0,r=(r=r+Math.imul(v,ae)|0)+Math.imul(g,se)|0,s=s+Math.imul(g,ae)|0,n=n+Math.imul(h,ce)|0,r=(r=r+Math.imul(h,le)|0)+Math.imul(m,ce)|0,s=s+Math.imul(m,le)|0;var Ee=(l+(n=n+Math.imul(p,pe)|0)|0)+((8191&(r=(r=r+Math.imul(p,de)|0)+Math.imul(d,pe)|0))<<13)|0;l=((s=s+Math.imul(d,de)|0)+(r>>>13)|0)+(Ee>>>26)|0,Ee&=67108863,n=Math.imul(q,z),r=(r=Math.imul(q,H))+Math.imul(N,z)|0,s=Math.imul(N,H),n=n+Math.imul(O,W)|0,r=(r=r+Math.imul(O,V)|0)+Math.imul(P,W)|0,s=s+Math.imul(P,V)|0,n=n+Math.imul(B,$)|0,r=(r=r+Math.imul(B,G)|0)+Math.imul(R,$)|0,s=s+Math.imul(R,G)|0,n=n+Math.imul(I,Y)|0,r=(r=r+Math.imul(I,Z)|0)+Math.imul(T,Y)|0,s=s+Math.imul(T,Z)|0,n=n+Math.imul(M,Q)|0,r=(r=r+Math.imul(M,ee)|0)+Math.imul(A,Q)|0,s=s+Math.imul(A,ee)|0,n=n+Math.imul(k,ie)|0,r=(r=r+Math.imul(k,ne)|0)+Math.imul(E,ie)|0,s=s+Math.imul(E,ne)|0,n=n+Math.imul(_,se)|0,r=(r=r+Math.imul(_,ae)|0)+Math.imul(x,se)|0,s=s+Math.imul(x,ae)|0,n=n+Math.imul(v,ce)|0,r=(r=r+Math.imul(v,le)|0)+Math.imul(g,ce)|0,s=s+Math.imul(g,le)|0,n=n+Math.imul(h,pe)|0,r=(r=r+Math.imul(h,de)|0)+Math.imul(m,pe)|0,s=s+Math.imul(m,de)|0;var Se=(l+(n=n+Math.imul(p,he)|0)|0)+((8191&(r=(r=r+Math.imul(p,me)|0)+Math.imul(d,he)|0))<<13)|0;l=((s=s+Math.imul(d,me)|0)+(r>>>13)|0)+(Se>>>26)|0,Se&=67108863,n=Math.imul(q,W),r=(r=Math.imul(q,V))+Math.imul(N,W)|0,s=Math.imul(N,V),n=n+Math.imul(O,$)|0,r=(r=r+Math.imul(O,G)|0)+Math.imul(P,$)|0,s=s+Math.imul(P,G)|0,n=n+Math.imul(B,Y)|0,r=(r=r+Math.imul(B,Z)|0)+Math.imul(R,Y)|0,s=s+Math.imul(R,Z)|0,n=n+Math.imul(I,Q)|0,r=(r=r+Math.imul(I,ee)|0)+Math.imul(T,Q)|0,s=s+Math.imul(T,ee)|0,n=n+Math.imul(M,ie)|0,r=(r=r+Math.imul(M,ne)|0)+Math.imul(A,ie)|0,s=s+Math.imul(A,ne)|0,n=n+Math.imul(k,se)|0,r=(r=r+Math.imul(k,ae)|0)+Math.imul(E,se)|0,s=s+Math.imul(E,ae)|0,n=n+Math.imul(_,ce)|0,r=(r=r+Math.imul(_,le)|0)+Math.imul(x,ce)|0,s=s+Math.imul(x,le)|0,n=n+Math.imul(v,pe)|0,r=(r=r+Math.imul(v,de)|0)+Math.imul(g,pe)|0,s=s+Math.imul(g,de)|0;var Me=(l+(n=n+Math.imul(h,he)|0)|0)+((8191&(r=(r=r+Math.imul(h,me)|0)+Math.imul(m,he)|0))<<13)|0;l=((s=s+Math.imul(m,me)|0)+(r>>>13)|0)+(Me>>>26)|0,Me&=67108863,n=Math.imul(q,$),r=(r=Math.imul(q,G))+Math.imul(N,$)|0,s=Math.imul(N,G),n=n+Math.imul(O,Y)|0,r=(r=r+Math.imul(O,Z)|0)+Math.imul(P,Y)|0,s=s+Math.imul(P,Z)|0,n=n+Math.imul(B,Q)|0,r=(r=r+Math.imul(B,ee)|0)+Math.imul(R,Q)|0,s=s+Math.imul(R,ee)|0,n=n+Math.imul(I,ie)|0,r=(r=r+Math.imul(I,ne)|0)+Math.imul(T,ie)|0,s=s+Math.imul(T,ne)|0,n=n+Math.imul(M,se)|0,r=(r=r+Math.imul(M,ae)|0)+Math.imul(A,se)|0,s=s+Math.imul(A,ae)|0,n=n+Math.imul(k,ce)|0,r=(r=r+Math.imul(k,le)|0)+Math.imul(E,ce)|0,s=s+Math.imul(E,le)|0,n=n+Math.imul(_,pe)|0,r=(r=r+Math.imul(_,de)|0)+Math.imul(x,pe)|0,s=s+Math.imul(x,de)|0;var Ae=(l+(n=n+Math.imul(v,he)|0)|0)+((8191&(r=(r=r+Math.imul(v,me)|0)+Math.imul(g,he)|0))<<13)|0;l=((s=s+Math.imul(g,me)|0)+(r>>>13)|0)+(Ae>>>26)|0,Ae&=67108863,n=Math.imul(q,Y),r=(r=Math.imul(q,Z))+Math.imul(N,Y)|0,s=Math.imul(N,Z),n=n+Math.imul(O,Q)|0,r=(r=r+Math.imul(O,ee)|0)+Math.imul(P,Q)|0,s=s+Math.imul(P,ee)|0,n=n+Math.imul(B,ie)|0,r=(r=r+Math.imul(B,ne)|0)+Math.imul(R,ie)|0,s=s+Math.imul(R,ne)|0,n=n+Math.imul(I,se)|0,r=(r=r+Math.imul(I,ae)|0)+Math.imul(T,se)|0,s=s+Math.imul(T,ae)|0,n=n+Math.imul(M,ce)|0,r=(r=r+Math.imul(M,le)|0)+Math.imul(A,ce)|0,s=s+Math.imul(A,le)|0,n=n+Math.imul(k,pe)|0,r=(r=r+Math.imul(k,de)|0)+Math.imul(E,pe)|0,s=s+Math.imul(E,de)|0;var je=(l+(n=n+Math.imul(_,he)|0)|0)+((8191&(r=(r=r+Math.imul(_,me)|0)+Math.imul(x,he)|0))<<13)|0;l=((s=s+Math.imul(x,me)|0)+(r>>>13)|0)+(je>>>26)|0,je&=67108863,n=Math.imul(q,Q),r=(r=Math.imul(q,ee))+Math.imul(N,Q)|0,s=Math.imul(N,ee),n=n+Math.imul(O,ie)|0,r=(r=r+Math.imul(O,ne)|0)+Math.imul(P,ie)|0,s=s+Math.imul(P,ne)|0,n=n+Math.imul(B,se)|0,r=(r=r+Math.imul(B,ae)|0)+Math.imul(R,se)|0,s=s+Math.imul(R,ae)|0,n=n+Math.imul(I,ce)|0,r=(r=r+Math.imul(I,le)|0)+Math.imul(T,ce)|0,s=s+Math.imul(T,le)|0,n=n+Math.imul(M,pe)|0,r=(r=r+Math.imul(M,de)|0)+Math.imul(A,pe)|0,s=s+Math.imul(A,de)|0;var Ie=(l+(n=n+Math.imul(k,he)|0)|0)+((8191&(r=(r=r+Math.imul(k,me)|0)+Math.imul(E,he)|0))<<13)|0;l=((s=s+Math.imul(E,me)|0)+(r>>>13)|0)+(Ie>>>26)|0,Ie&=67108863,n=Math.imul(q,ie),r=(r=Math.imul(q,ne))+Math.imul(N,ie)|0,s=Math.imul(N,ne),n=n+Math.imul(O,se)|0,r=(r=r+Math.imul(O,ae)|0)+Math.imul(P,se)|0,s=s+Math.imul(P,ae)|0,n=n+Math.imul(B,ce)|0,r=(r=r+Math.imul(B,le)|0)+Math.imul(R,ce)|0,s=s+Math.imul(R,le)|0,n=n+Math.imul(I,pe)|0,r=(r=r+Math.imul(I,de)|0)+Math.imul(T,pe)|0,s=s+Math.imul(T,de)|0;var Te=(l+(n=n+Math.imul(M,he)|0)|0)+((8191&(r=(r=r+Math.imul(M,me)|0)+Math.imul(A,he)|0))<<13)|0;l=((s=s+Math.imul(A,me)|0)+(r>>>13)|0)+(Te>>>26)|0,Te&=67108863,n=Math.imul(q,se),r=(r=Math.imul(q,ae))+Math.imul(N,se)|0,s=Math.imul(N,ae),n=n+Math.imul(O,ce)|0,r=(r=r+Math.imul(O,le)|0)+Math.imul(P,ce)|0,s=s+Math.imul(P,le)|0,n=n+Math.imul(B,pe)|0,r=(r=r+Math.imul(B,de)|0)+Math.imul(R,pe)|0,s=s+Math.imul(R,de)|0;var Ce=(l+(n=n+Math.imul(I,he)|0)|0)+((8191&(r=(r=r+Math.imul(I,me)|0)+Math.imul(T,he)|0))<<13)|0;l=((s=s+Math.imul(T,me)|0)+(r>>>13)|0)+(Ce>>>26)|0,Ce&=67108863,n=Math.imul(q,ce),r=(r=Math.imul(q,le))+Math.imul(N,ce)|0,s=Math.imul(N,le),n=n+Math.imul(O,pe)|0,r=(r=r+Math.imul(O,de)|0)+Math.imul(P,pe)|0,s=s+Math.imul(P,de)|0;var Be=(l+(n=n+Math.imul(B,he)|0)|0)+((8191&(r=(r=r+Math.imul(B,me)|0)+Math.imul(R,he)|0))<<13)|0;l=((s=s+Math.imul(R,me)|0)+(r>>>13)|0)+(Be>>>26)|0,Be&=67108863,n=Math.imul(q,pe),r=(r=Math.imul(q,de))+Math.imul(N,pe)|0,s=Math.imul(N,de);var Re=(l+(n=n+Math.imul(O,he)|0)|0)+((8191&(r=(r=r+Math.imul(O,me)|0)+Math.imul(P,he)|0))<<13)|0;l=((s=s+Math.imul(P,me)|0)+(r>>>13)|0)+(Re>>>26)|0,Re&=67108863;var Le=(l+(n=Math.imul(q,he))|0)+((8191&(r=(r=Math.imul(q,me))+Math.imul(N,he)|0))<<13)|0;return l=((s=Math.imul(N,me))+(r>>>13)|0)+(Le>>>26)|0,Le&=67108863,c[0]=be,c[1]=ve,c[2]=ge,c[3]=ye,c[4]=_e,c[5]=xe,c[6]=we,c[7]=ke,c[8]=Ee,c[9]=Se,c[10]=Me,c[11]=Ae,c[12]=je,c[13]=Ie,c[14]=Te,c[15]=Ce,c[16]=Be,c[17]=Re,c[18]=Le,0!==l&&(c[19]=l,i.length++),i};function v(e,t,i){i.negative=t.negative^e.negative,i.length=e.length+t.length;for(var n=0,r=0,s=0;s>>26)|0)>>>26,a&=67108863}i.words[s]=o,n=a,a=r}return 0!==n?i.words[s]=n:i.length--,i._strip()}function g(e,t,i){return v(e,t,i)}function y(e,t){this.x=e,this.y=t}Math.imul||(b=m),s.prototype.mulTo=function(e,t){var i=this.length+e.length;return 10===this.length&&10===e.length?b(this,e,t):i<63?m(this,e,t):i<1024?v(this,e,t):g(this,e,t)},y.prototype.makeRBT=function(e){for(var t=new Array(e),i=s.prototype._countBits(e)-1,n=0;n>=1;return n},y.prototype.permute=function(e,t,i,n,r,s){for(var a=0;a>>=1)r++;return 1<>>=13,i[2*a+1]=8191&s,s>>>=13;for(a=2*t;a>=26,i+=s/67108864|0,i+=a>>>26,this.words[r]=67108863&a}return 0!==i&&(this.words[r]=i,this.length++),t?this.ineg():this},s.prototype.muln=function(e){return this.clone().imuln(e)},s.prototype.sqr=function(){return this.mul(this)},s.prototype.isqr=function(){return this.imul(this.clone())},s.prototype.pow=function(e){var t=function(e){for(var t=new Array(e.bitLength()),i=0;i>>r&1}return t}(e);if(0===t.length)return new s(1);for(var i=this,n=0;n=0);var t,i=e%26,r=(e-i)/26,s=67108863>>>26-i<<26-i;if(0!==i){var a=0;for(t=0;t>>26-i}a&&(this.words[t]=a,this.length++)}if(0!==r){for(t=this.length-1;t>=0;t--)this.words[t+r]=this.words[t];for(t=0;t=0),r=t?(t-t%26)/26:0;var s=e%26,a=Math.min((e-s)/26,this.length),o=67108863^67108863>>>s<a)for(this.length-=a,l=0;l=0&&(0!==u||l>=r);l--){var p=0|this.words[l];this.words[l]=u<<26-s|p>>>s,u=p&o}return c&&0!==u&&(c.words[c.length++]=u),0===this.length&&(this.words[0]=0,this.length=1),this._strip()},s.prototype.ishrn=function(e,t,i){return n(0===this.negative),this.iushrn(e,t,i)},s.prototype.shln=function(e){return this.clone().ishln(e)},s.prototype.ushln=function(e){return this.clone().iushln(e)},s.prototype.shrn=function(e){return this.clone().ishrn(e)},s.prototype.ushrn=function(e){return this.clone().iushrn(e)},s.prototype.testn=function(e){n("number"==typeof e&&e>=0);var t=e%26,i=(e-t)/26,r=1<=0);var t=e%26,i=(e-t)/26;if(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=i)return this;if(0!==t&&i++,this.length=Math.min(i,this.length),0!==t){var r=67108863^67108863>>>t<=67108864;t++)this.words[t]-=67108864,t===this.length-1?this.words[t+1]=1:this.words[t+1]++;return this.length=Math.max(this.length,t+1),this},s.prototype.isubn=function(e){if(n("number"==typeof e),n(e<67108864),e<0)return this.iaddn(-e);if(0!==this.negative)return this.negative=0,this.iaddn(e),this.negative=1,this;if(this.words[0]-=e,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var t=0;t>26)-(c/67108864|0),this.words[r+i]=67108863&s}for(;r>26,this.words[r+i]=67108863&s;if(0===o)return this._strip();for(n(-1===o),o=0,r=0;r>26,this.words[r]=67108863&s;return this.negative=1,this._strip()},s.prototype._wordDiv=function(e,t){var i=(this.length,e.length),n=this.clone(),r=e,a=0|r.words[r.length-1];0!==(i=26-this._countBits(a))&&(r=r.ushln(i),n.iushln(i),a=0|r.words[r.length-1]);var o,c=n.length-r.length;if("mod"!==t){(o=new s(null)).length=c+1,o.words=new Array(o.length);for(var l=0;l=0;p--){var d=67108864*(0|n.words[r.length+p])+(0|n.words[r.length+p-1]);for(d=Math.min(d/a|0,67108863),n._ishlnsubmul(r,d,p);0!==n.negative;)d--,n.negative=0,n._ishlnsubmul(r,1,p),n.isZero()||(n.negative^=1);o&&(o.words[p]=d)}return o&&o._strip(),n._strip(),"div"!==t&&0!==i&&n.iushrn(i),{div:o||null,mod:n}},s.prototype.divmod=function(e,t,i){return n(!e.isZero()),this.isZero()?{div:new s(0),mod:new s(0)}:0!==this.negative&&0===e.negative?(o=this.neg().divmod(e,t),"mod"!==t&&(r=o.div.neg()),"div"!==t&&(a=o.mod.neg(),i&&0!==a.negative&&a.iadd(e)),{div:r,mod:a}):0===this.negative&&0!==e.negative?(o=this.divmod(e.neg(),t),"mod"!==t&&(r=o.div.neg()),{div:r,mod:o.mod}):0!=(this.negative&e.negative)?(o=this.neg().divmod(e.neg(),t),"div"!==t&&(a=o.mod.neg(),i&&0!==a.negative&&a.isub(e)),{div:o.div,mod:a}):e.length>this.length||this.cmp(e)<0?{div:new s(0),mod:this}:1===e.length?"div"===t?{div:this.divn(e.words[0]),mod:null}:"mod"===t?{div:null,mod:new s(this.modrn(e.words[0]))}:{div:this.divn(e.words[0]),mod:new s(this.modrn(e.words[0]))}:this._wordDiv(e,t);var r,a,o},s.prototype.div=function(e){return this.divmod(e,"div",!1).div},s.prototype.mod=function(e){return this.divmod(e,"mod",!1).mod},s.prototype.umod=function(e){return this.divmod(e,"mod",!0).mod},s.prototype.divRound=function(e){var t=this.divmod(e);if(t.mod.isZero())return t.div;var i=0!==t.div.negative?t.mod.isub(e):t.mod,n=e.ushrn(1),r=e.andln(1),s=i.cmp(n);return s<0||1===r&&0===s?t.div:0!==t.div.negative?t.div.isubn(1):t.div.iaddn(1)},s.prototype.modrn=function(e){var t=e<0;t&&(e=-e),n(e<=67108863);for(var i=(1<<26)%e,r=0,s=this.length-1;s>=0;s--)r=(i*r+(0|this.words[s]))%e;return t?-r:r},s.prototype.modn=function(e){return this.modrn(e)},s.prototype.idivn=function(e){var t=e<0;t&&(e=-e),n(e<=67108863);for(var i=0,r=this.length-1;r>=0;r--){var s=(0|this.words[r])+67108864*i;this.words[r]=s/e|0,i=s%e}return this._strip(),t?this.ineg():this},s.prototype.divn=function(e){return this.clone().idivn(e)},s.prototype.egcd=function(e){n(0===e.negative),n(!e.isZero());var t=this,i=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var r=new s(1),a=new s(0),o=new s(0),c=new s(1),l=0;t.isEven()&&i.isEven();)t.iushrn(1),i.iushrn(1),++l;for(var u=i.clone(),p=t.clone();!t.isZero();){for(var d=0,f=1;0==(t.words[0]&f)&&d<26;++d,f<<=1);if(d>0)for(t.iushrn(d);d-- >0;)(r.isOdd()||a.isOdd())&&(r.iadd(u),a.isub(p)),r.iushrn(1),a.iushrn(1);for(var h=0,m=1;0==(i.words[0]&m)&&h<26;++h,m<<=1);if(h>0)for(i.iushrn(h);h-- >0;)(o.isOdd()||c.isOdd())&&(o.iadd(u),c.isub(p)),o.iushrn(1),c.iushrn(1);t.cmp(i)>=0?(t.isub(i),r.isub(o),a.isub(c)):(i.isub(t),o.isub(r),c.isub(a))}return{a:o,b:c,gcd:i.iushln(l)}},s.prototype._invmp=function(e){n(0===e.negative),n(!e.isZero());var t=this,i=e.clone();t=0!==t.negative?t.umod(e):t.clone();for(var r,a=new s(1),o=new s(0),c=i.clone();t.cmpn(1)>0&&i.cmpn(1)>0;){for(var l=0,u=1;0==(t.words[0]&u)&&l<26;++l,u<<=1);if(l>0)for(t.iushrn(l);l-- >0;)a.isOdd()&&a.iadd(c),a.iushrn(1);for(var p=0,d=1;0==(i.words[0]&d)&&p<26;++p,d<<=1);if(p>0)for(i.iushrn(p);p-- >0;)o.isOdd()&&o.iadd(c),o.iushrn(1);t.cmp(i)>=0?(t.isub(i),a.isub(o)):(i.isub(t),o.isub(a))}return(r=0===t.cmpn(1)?a:o).cmpn(0)<0&&r.iadd(e),r},s.prototype.gcd=function(e){if(this.isZero())return e.abs();if(e.isZero())return this.abs();var t=this.clone(),i=e.clone();t.negative=0,i.negative=0;for(var n=0;t.isEven()&&i.isEven();n++)t.iushrn(1),i.iushrn(1);for(;;){for(;t.isEven();)t.iushrn(1);for(;i.isEven();)i.iushrn(1);var r=t.cmp(i);if(r<0){var s=t;t=i,i=s}else if(0===r||0===i.cmpn(1))break;t.isub(i)}return i.iushln(n)},s.prototype.invm=function(e){return this.egcd(e).a.umod(e)},s.prototype.isEven=function(){return 0==(1&this.words[0])},s.prototype.isOdd=function(){return 1==(1&this.words[0])},s.prototype.andln=function(e){return this.words[0]&e},s.prototype.bincn=function(e){n("number"==typeof e);var t=e%26,i=(e-t)/26,r=1<>>26,o&=67108863,this.words[a]=o}return 0!==s&&(this.words[a]=s,this.length++),this},s.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},s.prototype.cmpn=function(e){var t,i=e<0;if(0!==this.negative&&!i)return-1;if(0===this.negative&&i)return 1;if(this._strip(),this.length>1)t=1;else{i&&(e=-e),n(e<=67108863,"Number is too big");var r=0|this.words[0];t=r===e?0:re.length)return 1;if(this.length=0;i--){var n=0|this.words[i],r=0|e.words[i];if(n!==r){nr&&(t=1);break}}return t},s.prototype.gtn=function(e){return 1===this.cmpn(e)},s.prototype.gt=function(e){return 1===this.cmp(e)},s.prototype.gten=function(e){return this.cmpn(e)>=0},s.prototype.gte=function(e){return this.cmp(e)>=0},s.prototype.ltn=function(e){return-1===this.cmpn(e)},s.prototype.lt=function(e){return-1===this.cmp(e)},s.prototype.lten=function(e){return this.cmpn(e)<=0},s.prototype.lte=function(e){return this.cmp(e)<=0},s.prototype.eqn=function(e){return 0===this.cmpn(e)},s.prototype.eq=function(e){return 0===this.cmp(e)},s.red=function(e){return new M(e)},s.prototype.toRed=function(e){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),e.convertTo(this)._forceRed(e)},s.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},s.prototype._forceRed=function(e){return this.red=e,this},s.prototype.forceRed=function(e){return n(!this.red,"Already a number in reduction context"),this._forceRed(e)},s.prototype.redAdd=function(e){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,e)},s.prototype.redIAdd=function(e){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,e)},s.prototype.redSub=function(e){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,e)},s.prototype.redISub=function(e){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,e)},s.prototype.redShl=function(e){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,e)},s.prototype.redMul=function(e){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.mul(this,e)},s.prototype.redIMul=function(e){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,e),this.red.imul(this,e)},s.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},s.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},s.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},s.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},s.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},s.prototype.redPow=function(e){return n(this.red&&!e.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,e)};var _={k256:null,p224:null,p192:null,p25519:null};function x(e,t){this.name=e,this.p=new s(t,16),this.n=this.p.bitLength(),this.k=new s(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function w(){x.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function k(){x.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function E(){x.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function S(){x.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function M(e){if("string"==typeof e){var t=s._prime(e);this.m=t.p,this.prime=t}else n(e.gtn(1),"modulus must be greater than 1"),this.m=e,this.prime=null}function A(e){M.call(this,e),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new s(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}x.prototype._tmp=function(){var e=new s(null);return e.words=new Array(Math.ceil(this.n/13)),e},x.prototype.ireduce=function(e){var t,i=e;do{this.split(i,this.tmp),t=(i=(i=this.imulK(i)).iadd(this.tmp)).bitLength()}while(t>this.n);var n=t0?i.isub(this.p):void 0!==i.strip?i.strip():i._strip(),i},x.prototype.split=function(e,t){e.iushrn(this.n,0,t)},x.prototype.imulK=function(e){return e.imul(this.k)},r(w,x),w.prototype.split=function(e,t){for(var i=4194303,n=Math.min(e.length,9),r=0;r>>22,s=a}s>>>=22,e.words[r-10]=s,0===s&&e.length>10?e.length-=10:e.length-=9},w.prototype.imulK=function(e){e.words[e.length]=0,e.words[e.length+1]=0,e.length+=2;for(var t=0,i=0;i>>=26,e.words[i]=r,t=n}return 0!==t&&(e.words[e.length++]=t),e},s._prime=function(e){if(_[e])return _[e];var t;if("k256"===e)t=new w;else if("p224"===e)t=new k;else if("p192"===e)t=new E;else{if("p25519"!==e)throw new Error("Unknown prime "+e);t=new S}return _[e]=t,t},M.prototype._verify1=function(e){n(0===e.negative,"red works only with positives"),n(e.red,"red works only with red numbers")},M.prototype._verify2=function(e,t){n(0==(e.negative|t.negative),"red works only with positives"),n(e.red&&e.red===t.red,"red works only with red numbers")},M.prototype.imod=function(e){return this.prime?this.prime.ireduce(e)._forceRed(this):(u(e,e.umod(this.m)._forceRed(this)),e)},M.prototype.neg=function(e){return e.isZero()?e.clone():this.m.sub(e)._forceRed(this)},M.prototype.add=function(e,t){this._verify2(e,t);var i=e.add(t);return i.cmp(this.m)>=0&&i.isub(this.m),i._forceRed(this)},M.prototype.iadd=function(e,t){this._verify2(e,t);var i=e.iadd(t);return i.cmp(this.m)>=0&&i.isub(this.m),i},M.prototype.sub=function(e,t){this._verify2(e,t);var i=e.sub(t);return i.cmpn(0)<0&&i.iadd(this.m),i._forceRed(this)},M.prototype.isub=function(e,t){this._verify2(e,t);var i=e.isub(t);return i.cmpn(0)<0&&i.iadd(this.m),i},M.prototype.shl=function(e,t){return this._verify1(e),this.imod(e.ushln(t))},M.prototype.imul=function(e,t){return this._verify2(e,t),this.imod(e.imul(t))},M.prototype.mul=function(e,t){return this._verify2(e,t),this.imod(e.mul(t))},M.prototype.isqr=function(e){return this.imul(e,e.clone())},M.prototype.sqr=function(e){return this.mul(e,e)},M.prototype.sqrt=function(e){if(e.isZero())return e.clone();var t=this.m.andln(3);if(n(t%2==1),3===t){var i=this.m.add(new s(1)).iushrn(2);return this.pow(e,i)}for(var r=this.m.subn(1),a=0;!r.isZero()&&0===r.andln(1);)a++,r.iushrn(1);n(!r.isZero());var o=new s(1).toRed(this),c=o.redNeg(),l=this.m.subn(1).iushrn(1),u=this.m.bitLength();for(u=new s(2*u*u).toRed(this);0!==this.pow(u,l).cmp(c);)u.redIAdd(c);for(var p=this.pow(u,r),d=this.pow(e,r.addn(1).iushrn(1)),f=this.pow(e,r),h=a;0!==f.cmp(o);){for(var m=f,b=0;0!==m.cmp(o);b++)m=m.redSqr();n(b=0;n--){for(var l=t.words[n],u=c-1;u>=0;u--){var p=l>>u&1;r!==i[0]&&(r=this.sqr(r)),0!==p||0!==a?(a<<=1,a|=p,(4===++o||0===n&&0===u)&&(r=this.mul(r,i[a]),o=0,a=0)):o=0}c=26}return r},M.prototype.convertTo=function(e){var t=e.umod(this.m);return t===e?t.clone():t},M.prototype.convertFrom=function(e){var t=e.clone();return t.red=null,t},s.mont=function(e){return new A(e)},r(A,M),A.prototype.convertTo=function(e){return this.imod(e.ushln(this.shift))},A.prototype.convertFrom=function(e){var t=this.imod(e.mul(this.rinv));return t.red=null,t},A.prototype.imul=function(e,t){if(e.isZero()||t.isZero())return e.words[0]=0,e.length=1,e;var i=e.imul(t),n=i.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),r=i.isub(n).iushrn(this.shift),s=r;return r.cmp(this.m)>=0?s=r.isub(this.m):r.cmpn(0)<0&&(s=r.iadd(this.m)),s._forceRed(this)},A.prototype.mul=function(e,t){if(e.isZero()||t.isZero())return new s(0)._forceRed(this);var i=e.mul(t),n=i.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),r=i.isub(n).iushrn(this.shift),a=r;return r.cmp(this.m)>=0?a=r.isub(this.m):r.cmpn(0)<0&&(a=r.iadd(this.m)),a._forceRed(this)},A.prototype.invm=function(e){return this.imod(e._invmp(this.m).mul(this.r2))._forceRed(this)}}(void 0===t||t,this)},{buffer:66}],65:[function(e,t,i){var n;function r(e){this.rand=e}if(t.exports=function(e){return n||(n=new r(null)),n.generate(e)},t.exports.Rand=r,r.prototype.generate=function(e){return this._rand(e)},r.prototype._rand=function(e){if(this.rand.getBytes)return this.rand.getBytes(e);for(var t=new Uint8Array(e),i=0;i>>24]^u[h>>>16&255]^p[m>>>8&255]^d[255&b]^t[v++],a=l[h>>>24]^u[m>>>16&255]^p[b>>>8&255]^d[255&f]^t[v++],o=l[m>>>24]^u[b>>>16&255]^p[f>>>8&255]^d[255&h]^t[v++],c=l[b>>>24]^u[f>>>16&255]^p[h>>>8&255]^d[255&m]^t[v++],f=s,h=a,m=o,b=c;return s=(n[f>>>24]<<24|n[h>>>16&255]<<16|n[m>>>8&255]<<8|n[255&b])^t[v++],a=(n[h>>>24]<<24|n[m>>>16&255]<<16|n[b>>>8&255]<<8|n[255&f])^t[v++],o=(n[m>>>24]<<24|n[b>>>16&255]<<16|n[f>>>8&255]<<8|n[255&h])^t[v++],c=(n[b>>>24]<<24|n[f>>>16&255]<<16|n[h>>>8&255]<<8|n[255&m])^t[v++],[s>>>=0,a>>>=0,o>>>=0,c>>>=0]}var o=[0,1,2,4,8,16,32,64,128,27,54],c=function(){for(var e=new Array(256),t=0;t<256;t++)e[t]=t<128?t<<1:t<<1^283;for(var i=[],n=[],r=[[],[],[],[]],s=[[],[],[],[]],a=0,o=0,c=0;c<256;++c){var l=o^o<<1^o<<2^o<<3^o<<4;l=l>>>8^255&l^99,i[a]=l,n[l]=a;var u=e[a],p=e[u],d=e[p],f=257*e[l]^16843008*l;r[0][a]=f<<24|f>>>8,r[1][a]=f<<16|f>>>16,r[2][a]=f<<8|f>>>24,r[3][a]=f,f=16843009*d^65537*p^257*u^16843008*a,s[0][l]=f<<24|f>>>8,s[1][l]=f<<16|f>>>16,s[2][l]=f<<8|f>>>24,s[3][l]=f,0===a?a=o=1:(a=u^e[e[e[d^u]]],o^=e[e[o]])}return{SBOX:i,INV_SBOX:n,SUB_MIX:r,INV_SUB_MIX:s}}();function l(e){this._key=r(e),this._reset()}l.blockSize=16,l.keySize=32,l.prototype.blockSize=l.blockSize,l.prototype.keySize=l.keySize,l.prototype._reset=function(){for(var e=this._key,t=e.length,i=t+6,n=4*(i+1),r=[],s=0;s>>24,a=c.SBOX[a>>>24]<<24|c.SBOX[a>>>16&255]<<16|c.SBOX[a>>>8&255]<<8|c.SBOX[255&a],a^=o[s/t|0]<<24):t>6&&s%t==4&&(a=c.SBOX[a>>>24]<<24|c.SBOX[a>>>16&255]<<16|c.SBOX[a>>>8&255]<<8|c.SBOX[255&a]),r[s]=r[s-t]^a}for(var l=[],u=0;u>>24]]^c.INV_SUB_MIX[1][c.SBOX[d>>>16&255]]^c.INV_SUB_MIX[2][c.SBOX[d>>>8&255]]^c.INV_SUB_MIX[3][c.SBOX[255&d]]}this._nRounds=i,this._keySchedule=r,this._invKeySchedule=l},l.prototype.encryptBlockRaw=function(e){return a(e=r(e),this._keySchedule,c.SUB_MIX,c.SBOX,this._nRounds)},l.prototype.encryptBlock=function(e){var t=this.encryptBlockRaw(e),i=n.allocUnsafe(16);return i.writeUInt32BE(t[0],0),i.writeUInt32BE(t[1],4),i.writeUInt32BE(t[2],8),i.writeUInt32BE(t[3],12),i},l.prototype.decryptBlock=function(e){var t=(e=r(e))[1];e[1]=e[3],e[3]=t;var i=a(e,this._invKeySchedule,c.INV_SUB_MIX,c.INV_SBOX,this._nRounds),s=n.allocUnsafe(16);return s.writeUInt32BE(i[0],0),s.writeUInt32BE(i[3],4),s.writeUInt32BE(i[2],8),s.writeUInt32BE(i[1],12),s},l.prototype.scrub=function(){s(this._keySchedule),s(this._invKeySchedule),s(this._key)},t.exports.AES=l},{"safe-buffer":382}],68:[function(e,t,i){var n=e("./aes"),r=e("safe-buffer").Buffer,s=e("cipher-base"),a=e("inherits"),o=e("./ghash"),c=e("buffer-xor"),l=e("./incr32");function u(e,t,i,a){s.call(this);var c=r.alloc(4,0);this._cipher=new n.AES(t);var u=this._cipher.encryptBlock(c);this._ghash=new o(u),i=function(e,t,i){if(12===t.length)return e._finID=r.concat([t,r.from([0,0,0,1])]),r.concat([t,r.from([0,0,0,2])]);var n=new o(i),s=t.length,a=s%16;n.update(t),a&&(a=16-a,n.update(r.alloc(a,0))),n.update(r.alloc(8,0));var c=8*s,u=r.alloc(8);u.writeUIntBE(c,0,8),n.update(u),e._finID=n.state;var p=r.from(e._finID);return l(p),p}(this,i,u),this._prev=r.from(i),this._cache=r.allocUnsafe(0),this._secCache=r.allocUnsafe(0),this._decrypt=a,this._alen=0,this._len=0,this._mode=e,this._authTag=null,this._called=!1}a(u,s),u.prototype._update=function(e){if(!this._called&&this._alen){var t=16-this._alen%16;t<16&&(t=r.alloc(t,0),this._ghash.update(t))}this._called=!0;var i=this._mode.encrypt(this,e);return this._decrypt?this._ghash.update(e):this._ghash.update(i),this._len+=e.length,i},u.prototype._final=function(){if(this._decrypt&&!this._authTag)throw new Error("Unsupported state or unable to authenticate data");var e=c(this._ghash.final(8*this._alen,8*this._len),this._cipher.encryptBlock(this._finID));if(this._decrypt&&function(e,t){var i=0;e.length!==t.length&&i++;for(var n=Math.min(e.length,t.length),r=0;r16)throw new Error("unable to decrypt data");var i=-1;for(;++i16)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t}else if(this.cache.length>=16)return t=this.cache.slice(0,16),this.cache=this.cache.slice(16),t;return null},p.prototype.flush=function(){if(this.cache.length)return this.cache},i.createDecipher=function(e,t){var i=s[e.toLowerCase()];if(!i)throw new TypeError("invalid suite type");var n=l(t,!1,i.key,i.iv);return d(e,n.key,n.iv)},i.createDecipheriv=d},{"./aes":67,"./authCipher":68,"./modes":80,"./streamCipher":83,"cipher-base":133,evp_bytestokey:193,inherits:245,"safe-buffer":382}],71:[function(e,t,i){var n=e("./modes"),r=e("./authCipher"),s=e("safe-buffer").Buffer,a=e("./streamCipher"),o=e("cipher-base"),c=e("./aes"),l=e("evp_bytestokey");function u(e,t,i){o.call(this),this._cache=new d,this._cipher=new c.AES(t),this._prev=s.from(i),this._mode=e,this._autopadding=!0}e("inherits")(u,o),u.prototype._update=function(e){var t,i;this._cache.add(e);for(var n=[];t=this._cache.get();)i=this._mode.encrypt(this,t),n.push(i);return s.concat(n)};var p=s.alloc(16,16);function d(){this.cache=s.allocUnsafe(0)}function f(e,t,i){var o=n[e.toLowerCase()];if(!o)throw new TypeError("invalid suite type");if("string"==typeof t&&(t=s.from(t)),t.length!==o.key/8)throw new TypeError("invalid key length "+t.length);if("string"==typeof i&&(i=s.from(i)),"GCM"!==o.mode&&i.length!==o.iv)throw new TypeError("invalid iv length "+i.length);return"stream"===o.type?new a(o.module,t,i):"auth"===o.type?new r(o.module,t,i):new u(o.module,t,i)}u.prototype._final=function(){var e=this._cache.flush();if(this._autopadding)return e=this._mode.encrypt(this,e),this._cipher.scrub(),e;if(!e.equals(p))throw this._cipher.scrub(),new Error("data not multiple of block length")},u.prototype.setAutoPadding=function(e){return this._autopadding=!!e,this},d.prototype.add=function(e){this.cache=s.concat([this.cache,e])},d.prototype.get=function(){if(this.cache.length>15){var e=this.cache.slice(0,16);return this.cache=this.cache.slice(16),e}return null},d.prototype.flush=function(){for(var e=16-this.cache.length,t=s.allocUnsafe(e),i=-1;++i>>0,0),t.writeUInt32BE(e[1]>>>0,4),t.writeUInt32BE(e[2]>>>0,8),t.writeUInt32BE(e[3]>>>0,12),t}function a(e){this.h=e,this.state=n.alloc(16,0),this.cache=n.allocUnsafe(0)}a.prototype.ghash=function(e){for(var t=-1;++t0;t--)n[t]=n[t]>>>1|(1&n[t-1])<<31;n[0]=n[0]>>>1,i&&(n[0]=n[0]^225<<24)}this.state=s(r)},a.prototype.update=function(e){var t;for(this.cache=n.concat([this.cache,e]);this.cache.length>=16;)t=this.cache.slice(0,16),this.cache=this.cache.slice(16),this.ghash(t)},a.prototype.final=function(e,t){return this.cache.length&&this.ghash(n.concat([this.cache,r],16)),this.ghash(s([0,e,0,t])),this.state},t.exports=a},{"safe-buffer":382}],73:[function(e,t,i){t.exports=function(e){for(var t,i=e.length;i--;){if(255!==(t=e.readUInt8(i))){t++,e.writeUInt8(t,i);break}e.writeUInt8(0,i)}}},{}],74:[function(e,t,i){var n=e("buffer-xor");i.encrypt=function(e,t){var i=n(t,e._prev);return e._prev=e._cipher.encryptBlock(i),e._prev},i.decrypt=function(e,t){var i=e._prev;e._prev=t;var r=e._cipher.decryptBlock(t);return n(r,i)}},{"buffer-xor":113}],75:[function(e,t,i){var n=e("safe-buffer").Buffer,r=e("buffer-xor");function s(e,t,i){var s=t.length,a=r(t,e._cache);return e._cache=e._cache.slice(s),e._prev=n.concat([e._prev,i?t:a]),a}i.encrypt=function(e,t,i){for(var r,a=n.allocUnsafe(0);t.length;){if(0===e._cache.length&&(e._cache=e._cipher.encryptBlock(e._prev),e._prev=n.allocUnsafe(0)),!(e._cache.length<=t.length)){a=n.concat([a,s(e,t,i)]);break}r=e._cache.length,a=n.concat([a,s(e,t.slice(0,r),i)]),t=t.slice(r)}return a}},{"buffer-xor":113,"safe-buffer":382}],76:[function(e,t,i){var n=e("safe-buffer").Buffer;function r(e,t,i){for(var n,r,a=-1,o=0;++a<8;)n=t&1<<7-a?128:0,o+=(128&(r=e._cipher.encryptBlock(e._prev)[0]^n))>>a%8,e._prev=s(e._prev,i?n:r);return o}function s(e,t){var i=e.length,r=-1,s=n.allocUnsafe(e.length);for(e=n.concat([e,n.from([t])]);++r>7;return s}i.encrypt=function(e,t,i){for(var s=t.length,a=n.allocUnsafe(s),o=-1;++o=0||!t.umod(e.prime1)||!t.umod(e.prime2));return t}function a(e,t){var r=function(e){var t=s(e);return{blinder:t.toRed(n.mont(e.modulus)).redPow(new n(e.publicExponent)).fromRed(),unblinder:t.invm(e.modulus)}}(t),a=t.modulus.byteLength(),o=new n(e).mul(r.blinder).umod(t.modulus),c=o.toRed(n.mont(t.prime1)),l=o.toRed(n.mont(t.prime2)),u=t.coefficient,p=t.prime1,d=t.prime2,f=c.redPow(t.exponent1).fromRed(),h=l.redPow(t.exponent2).fromRed(),m=f.isub(h).imul(u).umod(p).imul(d);return h.iadd(m).imul(r.unblinder).umod(t.modulus).toArrayLike(i,"be",a)}a.getr=s,t.exports=a}).call(this)}).call(this,e("buffer").Buffer)},{"bn.js":64,buffer:109,randombytes:356}],88:[function(e,t,i){t.exports=e("./browser/algorithms.json")},{"./browser/algorithms.json":89}],89:[function(e,t,i){t.exports={sha224WithRSAEncryption:{sign:"rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},"RSA-SHA224":{sign:"ecdsa/rsa",hash:"sha224",id:"302d300d06096086480165030402040500041c"},sha256WithRSAEncryption:{sign:"rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},"RSA-SHA256":{sign:"ecdsa/rsa",hash:"sha256",id:"3031300d060960864801650304020105000420"},sha384WithRSAEncryption:{sign:"rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},"RSA-SHA384":{sign:"ecdsa/rsa",hash:"sha384",id:"3041300d060960864801650304020205000430"},sha512WithRSAEncryption:{sign:"rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA512":{sign:"ecdsa/rsa",hash:"sha512",id:"3051300d060960864801650304020305000440"},"RSA-SHA1":{sign:"rsa",hash:"sha1",id:"3021300906052b0e03021a05000414"},"ecdsa-with-SHA1":{sign:"ecdsa",hash:"sha1",id:""},sha256:{sign:"ecdsa",hash:"sha256",id:""},sha224:{sign:"ecdsa",hash:"sha224",id:""},sha384:{sign:"ecdsa",hash:"sha384",id:""},sha512:{sign:"ecdsa",hash:"sha512",id:""},"DSA-SHA":{sign:"dsa",hash:"sha1",id:""},"DSA-SHA1":{sign:"dsa",hash:"sha1",id:""},DSA:{sign:"dsa",hash:"sha1",id:""},"DSA-WITH-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-SHA224":{sign:"dsa",hash:"sha224",id:""},"DSA-WITH-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-SHA256":{sign:"dsa",hash:"sha256",id:""},"DSA-WITH-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-SHA384":{sign:"dsa",hash:"sha384",id:""},"DSA-WITH-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-SHA512":{sign:"dsa",hash:"sha512",id:""},"DSA-RIPEMD160":{sign:"dsa",hash:"rmd160",id:""},ripemd160WithRSA:{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},"RSA-RIPEMD160":{sign:"rsa",hash:"rmd160",id:"3021300906052b2403020105000414"},md5WithRSAEncryption:{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"},"RSA-MD5":{sign:"rsa",hash:"md5",id:"3020300c06082a864886f70d020505000410"}}},{}],90:[function(e,t,i){t.exports={"1.3.132.0.10":"secp256k1","1.3.132.0.33":"p224","1.2.840.10045.3.1.1":"p192","1.2.840.10045.3.1.7":"p256","1.3.132.0.34":"p384","1.3.132.0.35":"p521"}},{}],91:[function(e,t,i){var n=e("safe-buffer").Buffer,r=e("create-hash"),s=e("readable-stream"),a=e("inherits"),o=e("./sign"),c=e("./verify"),l=e("./algorithms.json");function u(e){s.Writable.call(this);var t=l[e];if(!t)throw new Error("Unknown message digest");this._hashType=t.hash,this._hash=r(t.hash),this._tag=t.id,this._signType=t.sign}function p(e){s.Writable.call(this);var t=l[e];if(!t)throw new Error("Unknown message digest");this._hash=r(t.hash),this._tag=t.id,this._signType=t.sign}function d(e){return new u(e)}function f(e){return new p(e)}Object.keys(l).forEach((function(e){l[e].id=n.from(l[e].id,"hex"),l[e.toLowerCase()]=l[e]})),a(u,s.Writable),u.prototype._write=function(e,t,i){this._hash.update(e),i()},u.prototype.update=function(e,t){return"string"==typeof e&&(e=n.from(e,t)),this._hash.update(e),this},u.prototype.sign=function(e,t){this.end();var i=this._hash.digest(),n=o(i,e,this._hashType,this._signType,this._tag);return t?n.toString(t):n},a(p,s.Writable),p.prototype._write=function(e,t,i){this._hash.update(e),i()},p.prototype.update=function(e,t){return"string"==typeof e&&(e=n.from(e,t)),this._hash.update(e),this},p.prototype.verify=function(e,t,i){"string"==typeof t&&(t=n.from(t,i)),this.end();var r=this._hash.digest();return c(t,r,e,this._signType,this._tag)},t.exports={Sign:d,Verify:f,createSign:d,createVerify:f}},{"./algorithms.json":89,"./sign":92,"./verify":93,"create-hash":139,inherits:245,"readable-stream":108,"safe-buffer":382}],92:[function(e,t,i){var n=e("safe-buffer").Buffer,r=e("create-hmac"),s=e("browserify-rsa"),a=e("elliptic").ec,o=e("bn.js"),c=e("parse-asn1"),l=e("./curves.json");function u(e,t,i,s){if((e=n.from(e.toArray())).length0&&i.ishrn(n),i}function d(e,t,i){var s,a;do{for(s=n.alloc(0);8*s.length=t)throw new Error("invalid sig")}t.exports=function(e,t,i,l,u){var p=a(i);if("ec"===p.type){if("ecdsa"!==l&&"ecdsa/rsa"!==l)throw new Error("wrong public key type");return function(e,t,i){var n=o[i.data.algorithm.curve.join(".")];if(!n)throw new Error("unknown curve "+i.data.algorithm.curve.join("."));var r=new s(n),a=i.data.subjectPrivateKey.data;return r.verify(t,e,a)}(e,t,p)}if("dsa"===p.type){if("dsa"!==l)throw new Error("wrong public key type");return function(e,t,i){var n=i.data.p,s=i.data.q,o=i.data.g,l=i.data.pub_key,u=a.signature.decode(e,"der"),p=u.s,d=u.r;c(p,s),c(d,s);var f=r.mont(n),h=p.invm(s);return 0===o.toRed(f).redPow(new r(t).mul(h).mod(s)).fromRed().mul(l.toRed(f).redPow(d.mul(h).mod(s)).fromRed()).mod(n).mod(s).cmp(d)}(e,t,p)}if("rsa"!==l&&"ecdsa/rsa"!==l)throw new Error("wrong public key type");t=n.concat([u,t]);for(var d=p.modulus.byteLength(),f=[1],h=0;t.length+f.length+2 * @license MIT */ "use strict";var t=e("base64-js"),n=e("ieee754");i.Buffer=a,i.SlowBuffer=function(e){+e!=e&&(e=0);return a.alloc(+e)},i.INSPECT_MAX_BYTES=50;var r=2147483647;function s(e){if(e>r)throw new RangeError('The value "'+e+'" is invalid for option "size"');var t=new Uint8Array(e);return t.__proto__=a.prototype,t}function a(e,t,i){if("number"==typeof e){if("string"==typeof t)throw new TypeError('The "string" argument must be of type string. Received type number');return l(e)}return o(e,t,i)}function o(e,t,i){if("string"==typeof e)return function(e,t){"string"==typeof t&&""!==t||(t="utf8");if(!a.isEncoding(t))throw new TypeError("Unknown encoding: "+t);var i=0|d(e,t),n=s(i),r=n.write(e,t);r!==i&&(n=n.slice(0,r));return n}(e,t);if(ArrayBuffer.isView(e))return u(e);if(null==e)throw TypeError("The first argument must be one of type string, Buffer, ArrayBuffer, Array, or Array-like Object. Received type "+typeof e);if(D(e,ArrayBuffer)||e&&D(e.buffer,ArrayBuffer))return function(e,t,i){if(t<0||e.byteLength=r)throw new RangeError("Attempt to allocate Buffer larger than maximum size: 0x"+r.toString(16)+" bytes");return 0|e}function d(e,t){if(a.isBuffer(e))return e.length;if(ArrayBuffer.isView(e)||D(e,ArrayBuffer))return e.byteLength;if("string"!=typeof e)throw new TypeError('The "string" argument must be one of type string, Buffer, or ArrayBuffer. Received type '+typeof e);var i=e.length,n=arguments.length>2&&!0===arguments[2];if(!n&&0===i)return 0;for(var r=!1;;)switch(t){case"ascii":case"latin1":case"binary":return i;case"utf8":case"utf-8":return U(e).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return 2*i;case"hex":return i>>>1;case"base64":return q(e).length;default:if(r)return n?-1:U(e).length;t=(""+t).toLowerCase(),r=!0}}function f(e,t,i){var n=!1;if((void 0===t||t<0)&&(t=0),t>this.length)return"";if((void 0===i||i>this.length)&&(i=this.length),i<=0)return"";if((i>>>=0)<=(t>>>=0))return"";for(e||(e="utf8");;)switch(e){case"hex":return j(this,t,i);case"utf8":case"utf-8":return E(this,t,i);case"ascii":return M(this,t,i);case"latin1":case"binary":return A(this,t,i);case"base64":return k(this,t,i);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return I(this,t,i);default:if(n)throw new TypeError("Unknown encoding: "+e);e=(e+"").toLowerCase(),n=!0}}function h(e,t,i){var n=e[t];e[t]=e[i],e[i]=n}function m(e,t,i,n,r){if(0===e.length)return-1;if("string"==typeof i?(n=i,i=0):i>2147483647?i=2147483647:i<-2147483648&&(i=-2147483648),z(i=+i)&&(i=r?0:e.length-1),i<0&&(i=e.length+i),i>=e.length){if(r)return-1;i=e.length-1}else if(i<0){if(!r)return-1;i=0}if("string"==typeof t&&(t=a.from(t,n)),a.isBuffer(t))return 0===t.length?-1:b(e,t,i,n,r);if("number"==typeof t)return t&=255,"function"==typeof Uint8Array.prototype.indexOf?r?Uint8Array.prototype.indexOf.call(e,t,i):Uint8Array.prototype.lastIndexOf.call(e,t,i):b(e,[t],i,n,r);throw new TypeError("val must be string, number or Buffer")}function b(e,t,i,n,r){var s,a=1,o=e.length,c=t.length;if(void 0!==n&&("ucs2"===(n=String(n).toLowerCase())||"ucs-2"===n||"utf16le"===n||"utf-16le"===n)){if(e.length<2||t.length<2)return-1;a=2,o/=2,c/=2,i/=2}function l(e,t){return 1===a?e[t]:e.readUInt16BE(t*a)}if(r){var u=-1;for(s=i;so&&(i=o-c),s=i;s>=0;s--){for(var p=!0,d=0;dr&&(n=r):n=r;var s=t.length;n>s/2&&(n=s/2);for(var a=0;a>8,r=i%256,s.push(r),s.push(n);return s}(t,e.length-i),e,i,n)}function k(e,i,n){return 0===i&&n===e.length?t.fromByteArray(e):t.fromByteArray(e.slice(i,n))}function E(e,t,i){i=Math.min(e.length,i);for(var n=[],r=t;r239?4:l>223?3:l>191?2:1;if(r+p<=i)switch(p){case 1:l<128&&(u=l);break;case 2:128==(192&(s=e[r+1]))&&(c=(31&l)<<6|63&s)>127&&(u=c);break;case 3:s=e[r+1],a=e[r+2],128==(192&s)&&128==(192&a)&&(c=(15&l)<<12|(63&s)<<6|63&a)>2047&&(c<55296||c>57343)&&(u=c);break;case 4:s=e[r+1],a=e[r+2],o=e[r+3],128==(192&s)&&128==(192&a)&&128==(192&o)&&(c=(15&l)<<18|(63&s)<<12|(63&a)<<6|63&o)>65535&&c<1114112&&(u=c)}null===u?(u=65533,p=1):u>65535&&(u-=65536,n.push(u>>>10&1023|55296),u=56320|1023&u),n.push(u),r+=p}return function(e){var t=e.length;if(t<=S)return String.fromCharCode.apply(String,e);var i="",n=0;for(;nt&&(e+=" ... 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n.log=this.log,n}function r(e){return e.toString().substring(2,e.toString().length-2).replace(/\.\*\?$/,"*")}return i.debug=i,i.default=i,i.coerce=function(e){if(e instanceof Error)return e.stack||e.message;return e},i.disable=function(){const e=[...i.names.map(r),...i.skips.map(r).map((e=>"-"+e))].join(",");return i.enable(""),e},i.enable=function(e){let t;i.save(e),i.namespaces=e,i.names=[],i.skips=[];const n=("string"==typeof e?e:"").split(/[\s,]+/),r=n.length;for(t=0;t{i[e]=t[e]})),i.names=[],i.skips=[],i.formatters={},i.selectColor=function(e){let t=0;for(let i=0;i0;n--)t+=this._buffer(e,t),i+=this._flushBuffer(r,i);return t+=this._buffer(e,t),r},r.prototype.final=function(e){var t,i;return e&&(t=this.update(e)),i="encrypt"===this.type?this._finalEncrypt():this._finalDecrypt(),t?t.concat(i):i},r.prototype._pad=function(e,t){if(0===t)return!1;for(;t>>1];i=s.r28shl(i,o),r=s.r28shl(r,o),s.pc2(i,r,e.keys,a)}},c.prototype._update=function(e,t,i,n){var r=this._desState,a=s.readUInt32BE(e,t),o=s.readUInt32BE(e,t+4);s.ip(a,o,r.tmp,0),a=r.tmp[0],o=r.tmp[1],"encrypt"===this.type?this._encrypt(r,a,o,r.tmp,0):this._decrypt(r,a,o,r.tmp,0),a=r.tmp[0],o=r.tmp[1],s.writeUInt32BE(i,a,n),s.writeUInt32BE(i,o,n+4)},c.prototype._pad=function(e,t){for(var i=e.length-t,n=t;n>>0,a=d}s.rip(o,a,n,r)},c.prototype._decrypt=function(e,t,i,n,r){for(var a=i,o=t,c=e.keys.length-2;c>=0;c-=2){var l=e.keys[c],u=e.keys[c+1];s.expand(a,e.tmp,0),l^=e.tmp[0],u^=e.tmp[1];var p=s.substitute(l,u),d=a;a=(o^s.permute(p))>>>0,o=d}s.rip(a,o,n,r)}},{"./cipher":164,"./utils":167,inherits:245,"minimalistic-assert":284}],166:[function(e,t,i){"use strict";var n=e("minimalistic-assert"),r=e("inherits"),s=e("./cipher"),a=e("./des");function o(e,t){n.equal(t.length,24,"Invalid key length");var i=t.slice(0,8),r=t.slice(8,16),s=t.slice(16,24);this.ciphers="encrypt"===e?[a.create({type:"encrypt",key:i}),a.create({type:"decrypt",key:r}),a.create({type:"encrypt",key:s})]:[a.create({type:"decrypt",key:s}),a.create({type:"encrypt",key:r}),a.create({type:"decrypt",key:i})]}function c(e){s.call(this,e);var t=new o(this.type,this.options.key);this._edeState=t}r(c,s),t.exports=c,c.create=function(e){return new c(e)},c.prototype._update=function(e,t,i,n){var r=this._edeState;r.ciphers[0]._update(e,t,i,n),r.ciphers[1]._update(i,n,i,n),r.ciphers[2]._update(i,n,i,n)},c.prototype._pad=a.prototype._pad,c.prototype._unpad=a.prototype._unpad},{"./cipher":164,"./des":165,inherits:245,"minimalistic-assert":284}],167:[function(e,t,i){"use strict";i.readUInt32BE=function(e,t){return(e[0+t]<<24|e[1+t]<<16|e[2+t]<<8|e[3+t])>>>0},i.writeUInt32BE=function(e,t,i){e[0+i]=t>>>24,e[1+i]=t>>>16&255,e[2+i]=t>>>8&255,e[3+i]=255&t},i.ip=function(e,t,i,n){for(var r=0,s=0,a=6;a>=0;a-=2){for(var o=0;o<=24;o+=8)r<<=1,r|=t>>>o+a&1;for(o=0;o<=24;o+=8)r<<=1,r|=e>>>o+a&1}for(a=6;a>=0;a-=2){for(o=1;o<=25;o+=8)s<<=1,s|=t>>>o+a&1;for(o=1;o<=25;o+=8)s<<=1,s|=e>>>o+a&1}i[n+0]=r>>>0,i[n+1]=s>>>0},i.rip=function(e,t,i,n){for(var r=0,s=0,a=0;a<4;a++)for(var o=24;o>=0;o-=8)r<<=1,r|=t>>>o+a&1,r<<=1,r|=e>>>o+a&1;for(a=4;a<8;a++)for(o=24;o>=0;o-=8)s<<=1,s|=t>>>o+a&1,s<<=1,s|=e>>>o+a&1;i[n+0]=r>>>0,i[n+1]=s>>>0},i.pc1=function(e,t,i,n){for(var r=0,s=0,a=7;a>=5;a--){for(var o=0;o<=24;o+=8)r<<=1,r|=t>>o+a&1;for(o=0;o<=24;o+=8)r<<=1,r|=e>>o+a&1}for(o=0;o<=24;o+=8)r<<=1,r|=t>>o+a&1;for(a=1;a<=3;a++){for(o=0;o<=24;o+=8)s<<=1,s|=t>>o+a&1;for(o=0;o<=24;o+=8)s<<=1,s|=e>>o+a&1}for(o=0;o<=24;o+=8)s<<=1,s|=e>>o+a&1;i[n+0]=r>>>0,i[n+1]=s>>>0},i.r28shl=function(e,t){return e<>>28-t};var n=[14,11,17,4,27,23,25,0,13,22,7,18,5,9,16,24,2,20,12,21,1,8,15,26,15,4,25,19,9,1,26,16,5,11,23,8,12,7,17,0,22,3,10,14,6,20,27,24];i.pc2=function(e,t,i,r){for(var s=0,a=0,o=n.length>>>1,c=0;c>>n[c]&1;for(c=o;c>>n[c]&1;i[r+0]=s>>>0,i[r+1]=a>>>0},i.expand=function(e,t,i){var n=0,r=0;n=(1&e)<<5|e>>>27;for(var s=23;s>=15;s-=4)n<<=6,n|=e>>>s&63;for(s=11;s>=3;s-=4)r|=e>>>s&63,r<<=6;r|=(31&e)<<1|e>>>31,t[i+0]=n>>>0,t[i+1]=r>>>0};var r=[14,0,4,15,13,7,1,4,2,14,15,2,11,13,8,1,3,10,10,6,6,12,12,11,5,9,9,5,0,3,7,8,4,15,1,12,14,8,8,2,13,4,6,9,2,1,11,7,15,5,12,11,9,3,7,14,3,10,10,0,5,6,0,13,15,3,1,13,8,4,14,7,6,15,11,2,3,8,4,14,9,12,7,0,2,1,13,10,12,6,0,9,5,11,10,5,0,13,14,8,7,10,11,1,10,3,4,15,13,4,1,2,5,11,8,6,12,7,6,12,9,0,3,5,2,14,15,9,10,13,0,7,9,0,14,9,6,3,3,4,15,6,5,10,1,2,13,8,12,5,7,14,11,12,4,11,2,15,8,1,13,1,6,10,4,13,9,0,8,6,15,9,3,8,0,7,11,4,1,15,2,14,12,3,5,11,10,5,14,2,7,12,7,13,13,8,14,11,3,5,0,6,6,15,9,0,10,3,1,4,2,7,8,2,5,12,11,1,12,10,4,14,15,9,10,3,6,15,9,0,0,6,12,10,11,1,7,13,13,8,15,9,1,4,3,5,14,11,5,12,2,7,8,2,4,14,2,14,12,11,4,2,1,12,7,4,10,7,11,13,6,1,8,5,5,0,3,15,15,10,13,3,0,9,14,8,9,6,4,11,2,8,1,12,11,7,10,1,13,14,7,2,8,13,15,6,9,15,12,0,5,9,6,10,3,4,0,5,14,3,12,10,1,15,10,4,15,2,9,7,2,12,6,9,8,5,0,6,13,1,3,13,4,14,14,0,7,11,5,3,11,8,9,4,14,3,15,2,5,12,2,9,8,5,12,15,3,10,7,11,0,14,4,1,10,7,1,6,13,0,11,8,6,13,4,13,11,0,2,11,14,7,15,4,0,9,8,1,13,10,3,14,12,3,9,5,7,12,5,2,10,15,6,8,1,6,1,6,4,11,11,13,13,8,12,1,3,4,7,10,14,7,10,9,15,5,6,0,8,15,0,14,5,2,9,3,2,12,13,1,2,15,8,13,4,8,6,10,15,3,11,7,1,4,10,12,9,5,3,6,14,11,5,0,0,14,12,9,7,2,7,2,11,1,4,14,1,7,9,4,12,10,14,8,2,13,0,15,6,12,10,9,13,0,15,3,3,5,5,6,8,11];i.substitute=function(e,t){for(var i=0,n=0;n<4;n++){i<<=4,i|=r[64*n+(e>>>18-6*n&63)]}for(n=0;n<4;n++){i<<=4,i|=r[256+64*n+(t>>>18-6*n&63)]}return i>>>0};var s=[16,25,12,11,3,20,4,15,31,17,9,6,27,14,1,22,30,24,8,18,0,5,29,23,13,19,2,26,10,21,28,7];i.permute=function(e){for(var t=0,i=0;i>>s[i]&1;return t>>>0},i.padSplit=function(e,t,i){for(var n=e.toString(2);n.lengthe;)i.ishrn(1);if(i.isEven()&&i.iadd(o),i.testn(1)||i.iadd(c),t.cmp(c)){if(!t.cmp(l))for(;i.mod(u).cmp(p);)i.iadd(f)}else for(;i.mod(s).cmp(d);)i.iadd(f);if(b(h=i.shrn(1))&&b(i)&&v(h)&&v(i)&&a.test(h)&&a.test(i))return i}}},{"bn.js":172,"miller-rabin":275,randombytes:356}],171:[function(e,t,i){t.exports={modp1:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a63a3620ffffffffffffffff"},modp2:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece65381ffffffffffffffff"},modp5:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c234c4c6628b80dc1cd129024e088a67cc74020bbea63b139b22514a08798e3404ddef9519b3cd3a431b302b0a6df25f14374fe1356d6d51c245e485b576625e7ec6f44c42e9a637ed6b0bff5cb6f406b7edee386bfb5a899fa5ae9f24117c4b1fe649286651ece45b3dc2007cb8a163bf0598da48361c55d39a69163fa8fd24cf5f83655d23dca3ad961c62f356208552bb9ed529077096966d670c354e4abc9804f1746c08ca237327ffffffffffffffff"},modp14:{gen:"02",prime:"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"},modp15:{gen:"02",prime:"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"},modp16:{gen:"02",prime:"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"},modp17:{gen:"02",prime:"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"},modp18:{gen:"02",prime:"ffffffffffffffffc90fdaa22168c23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i=this.n&&this.p.div(this.n);!i||i.cmpn(100)>0?this.redN=null:(this._maxwellTrick=!0,this.redN=this.n.toRed(this.red))}function l(e,t){this.curve=e,this.type=t,this.precomputed=null}t.exports=c,c.prototype.point=function(){throw new Error("Not implemented")},c.prototype.validate=function(){throw new Error("Not implemented")},c.prototype._fixedNafMul=function(e,t){o(e.precomputed);var i=e._getDoubles(),n=s(t,1,this._bitLength),r=(1<=a;u--)c=(c<<1)+n[u];l.push(c)}for(var p=this.jpoint(null,null,null),d=this.jpoint(null,null,null),f=r;f>0;f--){for(a=0;a=0;l--){for(var u=0;l>=0&&0===a[l];l--)u++;if(l>=0&&u++,c=c.dblp(u),l<0)break;var p=a[l];o(0!==p),c="affine"===e.type?p>0?c.mixedAdd(r[p-1>>1]):c.mixedAdd(r[-p-1>>1].neg()):p>0?c.add(r[p-1>>1]):c.add(r[-p-1>>1].neg())}return"affine"===e.type?c.toP():c},c.prototype._wnafMulAdd=function(e,t,i,n,r){var o,c,l,u=this._wnafT1,p=this._wnafT2,d=this._wnafT3,f=0;for(o=0;o=1;o-=2){var m=o-1,b=o;if(1===u[m]&&1===u[b]){var v=[t[m],null,null,t[b]];0===t[m].y.cmp(t[b].y)?(v[1]=t[m].add(t[b]),v[2]=t[m].toJ().mixedAdd(t[b].neg())):0===t[m].y.cmp(t[b].y.redNeg())?(v[1]=t[m].toJ().mixedAdd(t[b]),v[2]=t[m].add(t[b].neg())):(v[1]=t[m].toJ().mixedAdd(t[b]),v[2]=t[m].toJ().mixedAdd(t[b].neg()));var g=[-3,-1,-5,-7,0,7,5,1,3],y=a(i[m],i[b]);for(f=Math.max(y[0].length,f),d[m]=new Array(f),d[b]=new Array(f),c=0;c=0;o--){for(var E=0;o>=0;){var S=!0;for(c=0;c=0&&E++,w=w.dblp(E),o<0)break;for(c=0;c0?l=p[c][M-1>>1]:M<0&&(l=p[c][-M-1>>1].neg()),w="affine"===l.type?w.mixedAdd(l):w.add(l))}}for(o=0;o=Math.ceil((e.bitLength()+1)/t.step)},l.prototype._getDoubles=function(e,t){if(this.precomputed&&this.precomputed.doubles)return this.precomputed.doubles;for(var i=[this],n=this,r=0;r":""},l.prototype.isInfinity=function(){return 0===this.x.cmpn(0)&&(0===this.y.cmp(this.z)||this.zOne&&0===this.y.cmp(this.curve.c))},l.prototype._extDbl=function(){var e=this.x.redSqr(),t=this.y.redSqr(),i=this.z.redSqr();i=i.redIAdd(i);var n=this.curve._mulA(e),r=this.x.redAdd(this.y).redSqr().redISub(e).redISub(t),s=n.redAdd(t),a=s.redSub(i),o=n.redSub(t),c=r.redMul(a),l=s.redMul(o),u=r.redMul(o),p=a.redMul(s);return this.curve.point(c,l,p,u)},l.prototype._projDbl=function(){var e,t,i,n,r,s,a=this.x.redAdd(this.y).redSqr(),o=this.x.redSqr(),c=this.y.redSqr();if(this.curve.twisted){var l=(n=this.curve._mulA(o)).redAdd(c);this.zOne?(e=a.redSub(o).redSub(c).redMul(l.redSub(this.curve.two)),t=l.redMul(n.redSub(c)),i=l.redSqr().redSub(l).redSub(l)):(r=this.z.redSqr(),s=l.redSub(r).redISub(r),e=a.redSub(o).redISub(c).redMul(s),t=l.redMul(n.redSub(c)),i=l.redMul(s))}else n=o.redAdd(c),r=this.curve._mulC(this.z).redSqr(),s=n.redSub(r).redSub(r),e=this.curve._mulC(a.redISub(n)).redMul(s),t=this.curve._mulC(n).redMul(o.redISub(c)),i=n.redMul(s);return this.curve.point(e,t,i)},l.prototype.dbl=function(){return this.isInfinity()?this:this.curve.extended?this._extDbl():this._projDbl()},l.prototype._extAdd=function(e){var t=this.y.redSub(this.x).redMul(e.y.redSub(e.x)),i=this.y.redAdd(this.x).redMul(e.y.redAdd(e.x)),n=this.t.redMul(this.curve.dd).redMul(e.t),r=this.z.redMul(e.z.redAdd(e.z)),s=i.redSub(t),a=r.redSub(n),o=r.redAdd(n),c=i.redAdd(t),l=s.redMul(a),u=o.redMul(c),p=s.redMul(c),d=a.redMul(o);return this.curve.point(l,u,d,p)},l.prototype._projAdd=function(e){var t,i,n=this.z.redMul(e.z),r=n.redSqr(),s=this.x.redMul(e.x),a=this.y.redMul(e.y),o=this.curve.d.redMul(s).redMul(a),c=r.redSub(o),l=r.redAdd(o),u=this.x.redAdd(this.y).redMul(e.x.redAdd(e.y)).redISub(s).redISub(a),p=n.redMul(c).redMul(u);return this.curve.twisted?(t=n.redMul(l).redMul(a.redSub(this.curve._mulA(s))),i=c.redMul(l)):(t=n.redMul(l).redMul(a.redSub(s)),i=this.curve._mulC(c).redMul(l)),this.curve.point(p,t,i)},l.prototype.add=function(e){return this.isInfinity()?e:e.isInfinity()?this:this.curve.extended?this._extAdd(e):this._projAdd(e)},l.prototype.mul=function(e){return this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve._wnafMul(this,e)},l.prototype.mulAdd=function(e,t,i){return this.curve._wnafMulAdd(1,[this,t],[e,i],2,!1)},l.prototype.jmulAdd=function(e,t,i){return this.curve._wnafMulAdd(1,[this,t],[e,i],2,!0)},l.prototype.normalize=function(){if(this.zOne)return this;var e=this.z.redInvm();return this.x=this.x.redMul(e),this.y=this.y.redMul(e),this.t&&(this.t=this.t.redMul(e)),this.z=this.curve.one,this.zOne=!0,this},l.prototype.neg=function(){return this.curve.point(this.x.redNeg(),this.y,this.z,this.t&&this.t.redNeg())},l.prototype.getX=function(){return this.normalize(),this.x.fromRed()},l.prototype.getY=function(){return this.normalize(),this.y.fromRed()},l.prototype.eq=function(e){return this===e||0===this.getX().cmp(e.getX())&&0===this.getY().cmp(e.getY())},l.prototype.eqXToP=function(e){var t=e.toRed(this.curve.red).redMul(this.z);if(0===this.x.cmp(t))return!0;for(var i=e.clone(),n=this.curve.redN.redMul(this.z);;){if(i.iadd(this.curve.n),i.cmp(this.curve.p)>=0)return!1;if(t.redIAdd(n),0===this.x.cmp(t))return!0}},l.prototype.toP=l.prototype.normalize,l.prototype.mixedAdd=l.prototype.add},{"../utils":187,"./base":174,"bn.js":188,inherits:245}],176:[function(e,t,i){"use strict";var n=i;n.base=e("./base"),n.short=e("./short"),n.mont=e("./mont"),n.edwards=e("./edwards")},{"./base":174,"./edwards":175,"./mont":177,"./short":178}],177:[function(e,t,i){"use strict";var n=e("bn.js"),r=e("inherits"),s=e("./base"),a=e("../utils");function o(e){s.call(this,"mont",e),this.a=new n(e.a,16).toRed(this.red),this.b=new n(e.b,16).toRed(this.red),this.i4=new n(4).toRed(this.red).redInvm(),this.two=new n(2).toRed(this.red),this.a24=this.i4.redMul(this.a.redAdd(this.two))}function c(e,t,i){s.BasePoint.call(this,e,"projective"),null===t&&null===i?(this.x=this.curve.one,this.z=this.curve.zero):(this.x=new n(t,16),this.z=new n(i,16),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)))}r(o,s),t.exports=o,o.prototype.validate=function(e){var t=e.normalize().x,i=t.redSqr(),n=i.redMul(t).redAdd(i.redMul(this.a)).redAdd(t);return 0===n.redSqrt().redSqr().cmp(n)},r(c,s.BasePoint),o.prototype.decodePoint=function(e,t){return this.point(a.toArray(e,t),1)},o.prototype.point=function(e,t){return new c(this,e,t)},o.prototype.pointFromJSON=function(e){return c.fromJSON(this,e)},c.prototype.precompute=function(){},c.prototype._encode=function(){return this.getX().toArray("be",this.curve.p.byteLength())},c.fromJSON=function(e,t){return new c(e,t[0],t[1]||e.one)},c.prototype.inspect=function(){return this.isInfinity()?"":""},c.prototype.isInfinity=function(){return 0===this.z.cmpn(0)},c.prototype.dbl=function(){var e=this.x.redAdd(this.z).redSqr(),t=this.x.redSub(this.z).redSqr(),i=e.redSub(t),n=e.redMul(t),r=i.redMul(t.redAdd(this.curve.a24.redMul(i)));return this.curve.point(n,r)},c.prototype.add=function(){throw new Error("Not supported on Montgomery curve")},c.prototype.diffAdd=function(e,t){var i=this.x.redAdd(this.z),n=this.x.redSub(this.z),r=e.x.redAdd(e.z),s=e.x.redSub(e.z).redMul(i),a=r.redMul(n),o=t.z.redMul(s.redAdd(a).redSqr()),c=t.x.redMul(s.redISub(a).redSqr());return this.curve.point(o,c)},c.prototype.mul=function(e){for(var t=e.clone(),i=this,n=this.curve.point(null,null),r=[];0!==t.cmpn(0);t.iushrn(1))r.push(t.andln(1));for(var s=r.length-1;s>=0;s--)0===r[s]?(i=i.diffAdd(n,this),n=n.dbl()):(n=i.diffAdd(n,this),i=i.dbl());return n},c.prototype.mulAdd=function(){throw new Error("Not supported on Montgomery curve")},c.prototype.jumlAdd=function(){throw new Error("Not supported on Montgomery curve")},c.prototype.eq=function(e){return 0===this.getX().cmp(e.getX())},c.prototype.normalize=function(){return this.x=this.x.redMul(this.z.redInvm()),this.z=this.curve.one,this},c.prototype.getX=function(){return this.normalize(),this.x.fromRed()}},{"../utils":187,"./base":174,"bn.js":188,inherits:245}],178:[function(e,t,i){"use strict";var n=e("../utils"),r=e("bn.js"),s=e("inherits"),a=e("./base"),o=n.assert;function c(e){a.call(this,"short",e),this.a=new r(e.a,16).toRed(this.red),this.b=new r(e.b,16).toRed(this.red),this.tinv=this.two.redInvm(),this.zeroA=0===this.a.fromRed().cmpn(0),this.threeA=0===this.a.fromRed().sub(this.p).cmpn(-3),this.endo=this._getEndomorphism(e),this._endoWnafT1=new Array(4),this._endoWnafT2=new Array(4)}function l(e,t,i,n){a.BasePoint.call(this,e,"affine"),null===t&&null===i?(this.x=null,this.y=null,this.inf=!0):(this.x=new r(t,16),this.y=new r(i,16),n&&(this.x.forceRed(this.curve.red),this.y.forceRed(this.curve.red)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.inf=!1)}function u(e,t,i,n){a.BasePoint.call(this,e,"jacobian"),null===t&&null===i&&null===n?(this.x=this.curve.one,this.y=this.curve.one,this.z=new r(0)):(this.x=new r(t,16),this.y=new r(i,16),this.z=new r(n,16)),this.x.red||(this.x=this.x.toRed(this.curve.red)),this.y.red||(this.y=this.y.toRed(this.curve.red)),this.z.red||(this.z=this.z.toRed(this.curve.red)),this.zOne=this.z===this.curve.one}s(c,a),t.exports=c,c.prototype._getEndomorphism=function(e){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var t,i;if(e.beta)t=new r(e.beta,16).toRed(this.red);else{var n=this._getEndoRoots(this.p);t=(t=n[0].cmp(n[1])<0?n[0]:n[1]).toRed(this.red)}if(e.lambda)i=new r(e.lambda,16);else{var s=this._getEndoRoots(this.n);0===this.g.mul(s[0]).x.cmp(this.g.x.redMul(t))?i=s[0]:(i=s[1],o(0===this.g.mul(i).x.cmp(this.g.x.redMul(t))))}return{beta:t,lambda:i,basis:e.basis?e.basis.map((function(e){return{a:new r(e.a,16),b:new r(e.b,16)}})):this._getEndoBasis(i)}}},c.prototype._getEndoRoots=function(e){var t=e===this.p?this.red:r.mont(e),i=new r(2).toRed(t).redInvm(),n=i.redNeg(),s=new r(3).toRed(t).redNeg().redSqrt().redMul(i);return[n.redAdd(s).fromRed(),n.redSub(s).fromRed()]},c.prototype._getEndoBasis=function(e){for(var t,i,n,s,a,o,c,l,u,p=this.n.ushrn(Math.floor(this.n.bitLength()/2)),d=e,f=this.n.clone(),h=new r(1),m=new r(0),b=new r(0),v=new r(1),g=0;0!==d.cmpn(0);){var y=f.div(d);l=f.sub(y.mul(d)),u=b.sub(y.mul(h));var _=v.sub(y.mul(m));if(!n&&l.cmp(p)<0)t=c.neg(),i=h,n=l.neg(),s=u;else if(n&&2==++g)break;c=l,f=d,d=l,b=h,h=u,v=m,m=_}a=l.neg(),o=u;var x=n.sqr().add(s.sqr());return a.sqr().add(o.sqr()).cmp(x)>=0&&(a=t,o=i),n.negative&&(n=n.neg(),s=s.neg()),a.negative&&(a=a.neg(),o=o.neg()),[{a:n,b:s},{a:a,b:o}]},c.prototype._endoSplit=function(e){var t=this.endo.basis,i=t[0],n=t[1],r=n.b.mul(e).divRound(this.n),s=i.b.neg().mul(e).divRound(this.n),a=r.mul(i.a),o=s.mul(n.a),c=r.mul(i.b),l=s.mul(n.b);return{k1:e.sub(a).sub(o),k2:c.add(l).neg()}},c.prototype.pointFromX=function(e,t){(e=new r(e,16)).red||(e=e.toRed(this.red));var i=e.redSqr().redMul(e).redIAdd(e.redMul(this.a)).redIAdd(this.b),n=i.redSqrt();if(0!==n.redSqr().redSub(i).cmp(this.zero))throw new Error("invalid point");var s=n.fromRed().isOdd();return(t&&!s||!t&&s)&&(n=n.redNeg()),this.point(e,n)},c.prototype.validate=function(e){if(e.inf)return!0;var t=e.x,i=e.y,n=this.a.redMul(t),r=t.redSqr().redMul(t).redIAdd(n).redIAdd(this.b);return 0===i.redSqr().redISub(r).cmpn(0)},c.prototype._endoWnafMulAdd=function(e,t,i){for(var n=this._endoWnafT1,r=this._endoWnafT2,s=0;s":""},l.prototype.isInfinity=function(){return this.inf},l.prototype.add=function(e){if(this.inf)return e;if(e.inf)return this;if(this.eq(e))return this.dbl();if(this.neg().eq(e))return this.curve.point(null,null);if(0===this.x.cmp(e.x))return this.curve.point(null,null);var t=this.y.redSub(e.y);0!==t.cmpn(0)&&(t=t.redMul(this.x.redSub(e.x).redInvm()));var i=t.redSqr().redISub(this.x).redISub(e.x),n=t.redMul(this.x.redSub(i)).redISub(this.y);return this.curve.point(i,n)},l.prototype.dbl=function(){if(this.inf)return this;var e=this.y.redAdd(this.y);if(0===e.cmpn(0))return this.curve.point(null,null);var t=this.curve.a,i=this.x.redSqr(),n=e.redInvm(),r=i.redAdd(i).redIAdd(i).redIAdd(t).redMul(n),s=r.redSqr().redISub(this.x.redAdd(this.x)),a=r.redMul(this.x.redSub(s)).redISub(this.y);return this.curve.point(s,a)},l.prototype.getX=function(){return this.x.fromRed()},l.prototype.getY=function(){return this.y.fromRed()},l.prototype.mul=function(e){return e=new r(e,16),this.isInfinity()?this:this._hasDoubles(e)?this.curve._fixedNafMul(this,e):this.curve.endo?this.curve._endoWnafMulAdd([this],[e]):this.curve._wnafMul(this,e)},l.prototype.mulAdd=function(e,t,i){var n=[this,t],r=[e,i];return this.curve.endo?this.curve._endoWnafMulAdd(n,r):this.curve._wnafMulAdd(1,n,r,2)},l.prototype.jmulAdd=function(e,t,i){var n=[this,t],r=[e,i];return this.curve.endo?this.curve._endoWnafMulAdd(n,r,!0):this.curve._wnafMulAdd(1,n,r,2,!0)},l.prototype.eq=function(e){return this===e||this.inf===e.inf&&(this.inf||0===this.x.cmp(e.x)&&0===this.y.cmp(e.y))},l.prototype.neg=function(e){if(this.inf)return this;var t=this.curve.point(this.x,this.y.redNeg());if(e&&this.precomputed){var i=this.precomputed,n=function(e){return e.neg()};t.precomputed={naf:i.naf&&{wnd:i.naf.wnd,points:i.naf.points.map(n)},doubles:i.doubles&&{step:i.doubles.step,points:i.doubles.points.map(n)}}}return t},l.prototype.toJ=function(){return this.inf?this.curve.jpoint(null,null,null):this.curve.jpoint(this.x,this.y,this.curve.one)},s(u,a.BasePoint),c.prototype.jpoint=function(e,t,i){return new u(this,e,t,i)},u.prototype.toP=function(){if(this.isInfinity())return this.curve.point(null,null);var e=this.z.redInvm(),t=e.redSqr(),i=this.x.redMul(t),n=this.y.redMul(t).redMul(e);return this.curve.point(i,n)},u.prototype.neg=function(){return this.curve.jpoint(this.x,this.y.redNeg(),this.z)},u.prototype.add=function(e){if(this.isInfinity())return e;if(e.isInfinity())return this;var t=e.z.redSqr(),i=this.z.redSqr(),n=this.x.redMul(t),r=e.x.redMul(i),s=this.y.redMul(t.redMul(e.z)),a=e.y.redMul(i.redMul(this.z)),o=n.redSub(r),c=s.redSub(a);if(0===o.cmpn(0))return 0!==c.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var l=o.redSqr(),u=l.redMul(o),p=n.redMul(l),d=c.redSqr().redIAdd(u).redISub(p).redISub(p),f=c.redMul(p.redISub(d)).redISub(s.redMul(u)),h=this.z.redMul(e.z).redMul(o);return this.curve.jpoint(d,f,h)},u.prototype.mixedAdd=function(e){if(this.isInfinity())return e.toJ();if(e.isInfinity())return this;var t=this.z.redSqr(),i=this.x,n=e.x.redMul(t),r=this.y,s=e.y.redMul(t).redMul(this.z),a=i.redSub(n),o=r.redSub(s);if(0===a.cmpn(0))return 0!==o.cmpn(0)?this.curve.jpoint(null,null,null):this.dbl();var c=a.redSqr(),l=c.redMul(a),u=i.redMul(c),p=o.redSqr().redIAdd(l).redISub(u).redISub(u),d=o.redMul(u.redISub(p)).redISub(r.redMul(l)),f=this.z.redMul(a);return this.curve.jpoint(p,d,f)},u.prototype.dblp=function(e){if(0===e)return this;if(this.isInfinity())return this;if(!e)return this.dbl();var t;if(this.curve.zeroA||this.curve.threeA){var i=this;for(t=0;t=0)return!1;if(i.redIAdd(r),0===this.x.cmp(i))return!0}},u.prototype.inspect=function(){return this.isInfinity()?"":""},u.prototype.isInfinity=function(){return 0===this.z.cmpn(0)}},{"../utils":187,"./base":174,"bn.js":188,inherits:245}],179:[function(e,t,i){"use strict";var n,r=i,s=e("hash.js"),a=e("./curve"),o=e("./utils").assert;function c(e){"short"===e.type?this.curve=new a.short(e):"edwards"===e.type?this.curve=new a.edwards(e):this.curve=new a.mont(e),this.g=this.curve.g,this.n=this.curve.n,this.hash=e.hash,o(this.g.validate(),"Invalid curve"),o(this.g.mul(this.n).isInfinity(),"Invalid curve, G*N != O")}function l(e,t){Object.defineProperty(r,e,{configurable:!0,enumerable:!0,get:function(){var i=new c(t);return Object.defineProperty(r,e,{configurable:!0,enumerable:!0,value:i}),i}})}r.PresetCurve=c,l("p192",{type:"short",prime:"p192",p:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff",a:"ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc",b:"64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1",n:"ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831",hash:s.sha256,gRed:!1,g:["188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012","07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811"]}),l("p224",{type:"short",prime:"p224",p:"ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001",a:"ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe",b:"b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4",n:"ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d",hash:s.sha256,gRed:!1,g:["b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21","bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34"]}),l("p256",{type:"short",prime:null,p:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff",a:"ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc",b:"5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b",n:"ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551",hash:s.sha256,gRed:!1,g:["6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296","4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5"]}),l("p384",{type:"short",prime:null,p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 ffffffff",a:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe ffffffff 00000000 00000000 fffffffc",b:"b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f 5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef",n:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 f4372ddf 581a0db2 48b0a77a ecec196a ccc52973",hash:s.sha384,gRed:!1,g:["aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 5502f25d bf55296c 3a545e38 72760ab7","3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 0a60b1ce 1d7e819d 7a431d7c 90ea0e5f"]}),l("p521",{type:"short",prime:null,p:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff",a:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffc",b:"00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b 99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd 3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00",n:"000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409",hash:s.sha512,gRed:!1,g:["000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66","00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 3fad0761 353c7086 a272c240 88be9476 9fd16650"]}),l("curve25519",{type:"mont",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"76d06",b:"1",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:s.sha256,gRed:!1,g:["9"]}),l("ed25519",{type:"edwards",prime:"p25519",p:"7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed",a:"-1",c:"1",d:"52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3",n:"1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed",hash:s.sha256,gRed:!1,g:["216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a","6666666666666666666666666666666666666666666666666666666666666658"]});try{n=e("./precomputed/secp256k1")}catch(e){n=void 0}l("secp256k1",{type:"short",prime:"k256",p:"ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f",a:"0",b:"7",n:"ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141",h:"1",hash:s.sha256,beta:"7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee",lambda:"5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72",basis:[{a:"3086d221a7d46bcde86c90e49284eb15",b:"-e4437ed6010e88286f547fa90abfe4c3"},{a:"114ca50f7a8e2f3f657c1108d9d44cfd8",b:"3086d221a7d46bcde86c90e49284eb15"}],gRed:!1,g:["79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8",n]})},{"./curve":176,"./precomputed/secp256k1":186,"./utils":187,"hash.js":229}],180:[function(e,t,i){"use strict";var n=e("bn.js"),r=e("hmac-drbg"),s=e("../utils"),a=e("../curves"),o=e("brorand"),c=s.assert,l=e("./key"),u=e("./signature");function p(e){if(!(this instanceof p))return new p(e);"string"==typeof e&&(c(Object.prototype.hasOwnProperty.call(a,e),"Unknown curve "+e),e=a[e]),e instanceof a.PresetCurve&&(e={curve:e}),this.curve=e.curve.curve,this.n=this.curve.n,this.nh=this.n.ushrn(1),this.g=this.curve.g,this.g=e.curve.g,this.g.precompute(e.curve.n.bitLength()+1),this.hash=e.hash||e.curve.hash}t.exports=p,p.prototype.keyPair=function(e){return new l(this,e)},p.prototype.keyFromPrivate=function(e,t){return l.fromPrivate(this,e,t)},p.prototype.keyFromPublic=function(e,t){return l.fromPublic(this,e,t)},p.prototype.genKeyPair=function(e){e||(e={});for(var t=new r({hash:this.hash,pers:e.pers,persEnc:e.persEnc||"utf8",entropy:e.entropy||o(this.hash.hmacStrength),entropyEnc:e.entropy&&e.entropyEnc||"utf8",nonce:this.n.toArray()}),i=this.n.byteLength(),s=this.n.sub(new n(2));;){var a=new n(t.generate(i));if(!(a.cmp(s)>0))return a.iaddn(1),this.keyFromPrivate(a)}},p.prototype._truncateToN=function(e,t){var i=8*e.byteLength()-this.n.bitLength();return i>0&&(e=e.ushrn(i)),!t&&e.cmp(this.n)>=0?e.sub(this.n):e},p.prototype.sign=function(e,t,i,s){"object"==typeof i&&(s=i,i=null),s||(s={}),t=this.keyFromPrivate(t,i),e=this._truncateToN(new n(e,16));for(var a=this.n.byteLength(),o=t.getPrivate().toArray("be",a),c=e.toArray("be",a),l=new r({hash:this.hash,entropy:o,nonce:c,pers:s.pers,persEnc:s.persEnc||"utf8"}),p=this.n.sub(new n(1)),d=0;;d++){var f=s.k?s.k(d):new n(l.generate(this.n.byteLength()));if(!((f=this._truncateToN(f,!0)).cmpn(1)<=0||f.cmp(p)>=0)){var h=this.g.mul(f);if(!h.isInfinity()){var m=h.getX(),b=m.umod(this.n);if(0!==b.cmpn(0)){var v=f.invm(this.n).mul(b.mul(t.getPrivate()).iadd(e));if(0!==(v=v.umod(this.n)).cmpn(0)){var g=(h.getY().isOdd()?1:0)|(0!==m.cmp(b)?2:0);return s.canonical&&v.cmp(this.nh)>0&&(v=this.n.sub(v),g^=1),new u({r:b,s:v,recoveryParam:g})}}}}}},p.prototype.verify=function(e,t,i,r){e=this._truncateToN(new n(e,16)),i=this.keyFromPublic(i,r);var s=(t=new u(t,"hex")).r,a=t.s;if(s.cmpn(1)<0||s.cmp(this.n)>=0)return!1;if(a.cmpn(1)<0||a.cmp(this.n)>=0)return!1;var o,c=a.invm(this.n),l=c.mul(e).umod(this.n),p=c.mul(s).umod(this.n);return this.curve._maxwellTrick?!(o=this.g.jmulAdd(l,i.getPublic(),p)).isInfinity()&&o.eqXToP(s):!(o=this.g.mulAdd(l,i.getPublic(),p)).isInfinity()&&0===o.getX().umod(this.n).cmp(s)},p.prototype.recoverPubKey=function(e,t,i,r){c((3&i)===i,"The recovery param is more than two bits"),t=new u(t,r);var s=this.n,a=new n(e),o=t.r,l=t.s,p=1&i,d=i>>1;if(o.cmp(this.curve.p.umod(this.curve.n))>=0&&d)throw new Error("Unable to find sencond key candinate");o=d?this.curve.pointFromX(o.add(this.curve.n),p):this.curve.pointFromX(o,p);var f=t.r.invm(s),h=s.sub(a).mul(f).umod(s),m=l.mul(f).umod(s);return this.g.mulAdd(h,o,m)},p.prototype.getKeyRecoveryParam=function(e,t,i,n){if(null!==(t=new u(t,n)).recoveryParam)return t.recoveryParam;for(var r=0;r<4;r++){var s;try{s=this.recoverPubKey(e,t,r)}catch(e){continue}if(s.eq(i))return r}throw new Error("Unable to find valid recovery factor")}},{"../curves":179,"../utils":187,"./key":181,"./signature":182,"bn.js":188,brorand:65,"hmac-drbg":241}],181:[function(e,t,i){"use strict";var n=e("bn.js"),r=e("../utils").assert;function s(e,t){this.ec=e,this.priv=null,this.pub=null,t.priv&&this._importPrivate(t.priv,t.privEnc),t.pub&&this._importPublic(t.pub,t.pubEnc)}t.exports=s,s.fromPublic=function(e,t,i){return t instanceof s?t:new s(e,{pub:t,pubEnc:i})},s.fromPrivate=function(e,t,i){return t instanceof s?t:new s(e,{priv:t,privEnc:i})},s.prototype.validate=function(){var e=this.getPublic();return e.isInfinity()?{result:!1,reason:"Invalid public key"}:e.validate()?e.mul(this.ec.curve.n).isInfinity()?{result:!0,reason:null}:{result:!1,reason:"Public key * N != O"}:{result:!1,reason:"Public key is not a point"}},s.prototype.getPublic=function(e,t){return"string"==typeof e&&(t=e,e=null),this.pub||(this.pub=this.ec.g.mul(this.priv)),t?this.pub.encode(t,e):this.pub},s.prototype.getPrivate=function(e){return"hex"===e?this.priv.toString(16,2):this.priv},s.prototype._importPrivate=function(e,t){this.priv=new n(e,t||16),this.priv=this.priv.umod(this.ec.curve.n)},s.prototype._importPublic=function(e,t){if(e.x||e.y)return"mont"===this.ec.curve.type?r(e.x,"Need x coordinate"):"short"!==this.ec.curve.type&&"edwards"!==this.ec.curve.type||r(e.x&&e.y,"Need both x and y coordinate"),void(this.pub=this.ec.curve.point(e.x,e.y));this.pub=this.ec.curve.decodePoint(e,t)},s.prototype.derive=function(e){return e.validate()||r(e.validate(),"public point not validated"),e.mul(this.priv).getX()},s.prototype.sign=function(e,t,i){return this.ec.sign(e,this,t,i)},s.prototype.verify=function(e,t){return this.ec.verify(e,t,this)},s.prototype.inspect=function(){return""}},{"../utils":187,"bn.js":188}],182:[function(e,t,i){"use strict";var n=e("bn.js"),r=e("../utils"),s=r.assert;function a(e,t){if(e instanceof a)return e;this._importDER(e,t)||(s(e.r&&e.s,"Signature without r or s"),this.r=new n(e.r,16),this.s=new n(e.s,16),void 0===e.recoveryParam?this.recoveryParam=null:this.recoveryParam=e.recoveryParam)}function o(){this.place=0}function c(e,t){var i=e[t.place++];if(!(128&i))return i;var n=15&i;if(0===n||n>4)return!1;for(var r=0,s=0,a=t.place;s>>=0;return!(r<=127)&&(t.place=a,r)}function l(e){for(var t=0,i=e.length-1;!e[t]&&!(128&e[t+1])&&t>>3);for(e.push(128|i);--i;)e.push(t>>>(i<<3)&255);e.push(t)}}t.exports=a,a.prototype._importDER=function(e,t){e=r.toArray(e,t);var i=new o;if(48!==e[i.place++])return!1;var s=c(e,i);if(!1===s)return!1;if(s+i.place!==e.length)return!1;if(2!==e[i.place++])return!1;var a=c(e,i);if(!1===a)return!1;var l=e.slice(i.place,a+i.place);if(i.place+=a,2!==e[i.place++])return!1;var u=c(e,i);if(!1===u)return!1;if(e.length!==u+i.place)return!1;var p=e.slice(i.place,u+i.place);if(0===l[0]){if(!(128&l[1]))return!1;l=l.slice(1)}if(0===p[0]){if(!(128&p[1]))return!1;p=p.slice(1)}return this.r=new n(l),this.s=new n(p),this.recoveryParam=null,!0},a.prototype.toDER=function(e){var t=this.r.toArray(),i=this.s.toArray();for(128&t[0]&&(t=[0].concat(t)),128&i[0]&&(i=[0].concat(i)),t=l(t),i=l(i);!(i[0]||128&i[1]);)i=i.slice(1);var n=[2];u(n,t.length),(n=n.concat(t)).push(2),u(n,i.length);var s=n.concat(i),a=[48];return u(a,s.length),a=a.concat(s),r.encode(a,e)}},{"../utils":187,"bn.js":188}],183:[function(e,t,i){"use strict";var n=e("hash.js"),r=e("../curves"),s=e("../utils"),a=s.assert,o=s.parseBytes,c=e("./key"),l=e("./signature");function u(e){if(a("ed25519"===e,"only tested with ed25519 so far"),!(this instanceof u))return new u(e);e=r[e].curve,this.curve=e,this.g=e.g,this.g.precompute(e.n.bitLength()+1),this.pointClass=e.point().constructor,this.encodingLength=Math.ceil(e.n.bitLength()/8),this.hash=n.sha512}t.exports=u,u.prototype.sign=function(e,t){e=o(e);var i=this.keyFromSecret(t),n=this.hashInt(i.messagePrefix(),e),r=this.g.mul(n),s=this.encodePoint(r),a=this.hashInt(s,i.pubBytes(),e).mul(i.priv()),c=n.add(a).umod(this.curve.n);return this.makeSignature({R:r,S:c,Rencoded:s})},u.prototype.verify=function(e,t,i){e=o(e),t=this.makeSignature(t);var n=this.keyFromPublic(i),r=this.hashInt(t.Rencoded(),n.pubBytes(),e),s=this.g.mul(t.S());return t.R().add(n.pub().mul(r)).eq(s)},u.prototype.hashInt=function(){for(var e=this.hash(),t=0;t(r>>1)-1?(r>>1)-c:c,s.isubn(o)):o=0,n[a]=o,s.iushrn(1)}return n},n.getJSF=function(e,t){var i=[[],[]];e=e.clone(),t=t.clone();for(var n,r=0,s=0;e.cmpn(-r)>0||t.cmpn(-s)>0;){var a,o,c=e.andln(3)+r&3,l=t.andln(3)+s&3;3===c&&(c=-1),3===l&&(l=-1),a=0==(1&c)?0:3!==(n=e.andln(7)+r&7)&&5!==n||2!==l?c:-c,i[0].push(a),o=0==(1&l)?0:3!==(n=t.andln(7)+s&7)&&5!==n||2!==c?l:-l,i[1].push(o),2*r===a+1&&(r=1-r),2*s===o+1&&(s=1-s),e.iushrn(1),t.iushrn(1)}return i},n.cachedProperty=function(e,t,i){var n="_"+t;e.prototype[t]=function(){return void 0!==this[n]?this[n]:this[n]=i.call(this)}},n.parseBytes=function(e){return"string"==typeof e?n.toArray(e,"hex"):e},n.intFromLE=function(e){return new r(e,"hex","le")}},{"bn.js":188,"minimalistic-assert":284,"minimalistic-crypto-utils":285}],188:[function(e,t,i){arguments[4][17][0].apply(i,arguments)},{buffer:66,dup:17}],189:[function(e,t,i){t.exports={name:"elliptic",version:"6.5.4",description:"EC cryptography",main:"lib/elliptic.js",files:["lib"],scripts:{lint:"eslint lib test","lint:fix":"npm run lint -- --fix",unit:"istanbul test _mocha --reporter=spec test/index.js",test:"npm run lint && npm run unit",version:"grunt dist && git add dist/"},repository:{type:"git",url:"git@github.com:indutny/elliptic"},keywords:["EC","Elliptic","curve","Cryptography"],author:"Fedor Indutny ",license:"MIT",bugs:{url:"https://github.com/indutny/elliptic/issues"},homepage:"https://github.com/indutny/elliptic",devDependencies:{brfs:"^2.0.2",coveralls:"^3.1.0",eslint:"^7.6.0",grunt:"^1.2.1","grunt-browserify":"^5.3.0","grunt-cli":"^1.3.2","grunt-contrib-connect":"^3.0.0","grunt-contrib-copy":"^1.0.0","grunt-contrib-uglify":"^5.0.0","grunt-mocha-istanbul":"^5.0.2","grunt-saucelabs":"^9.0.1",istanbul:"^0.4.5",mocha:"^8.0.1"},dependencies:{"bn.js":"^4.11.9",brorand:"^1.1.0","hash.js":"^1.0.0","hmac-drbg":"^1.0.1",inherits:"^2.0.4","minimalistic-assert":"^1.0.1","minimalistic-crypto-utils":"^1.0.1"}}},{}],190:[function(e,t,i){(function(i){(function(){var n=e("once"),r=function(){},s=function(e,t,a){if("function"==typeof t)return s(e,null,t);t||(t={}),a=n(a||r);var 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r=function(){};r.prototype=Object.create(Object.getPrototypeOf(e));return n(new r,i)}}},{}],192:[function(e,t,i){"use strict";var n,r="object"==typeof Reflect?Reflect:null,s=r&&"function"==typeof r.apply?r.apply:function(e,t,i){return Function.prototype.apply.call(e,t,i)};n=r&&"function"==typeof r.ownKeys?r.ownKeys:Object.getOwnPropertySymbols?function(e){return Object.getOwnPropertyNames(e).concat(Object.getOwnPropertySymbols(e))}:function(e){return Object.getOwnPropertyNames(e)};var a=Number.isNaN||function(e){return e!=e};function o(){o.init.call(this)}t.exports=o,t.exports.once=function(e,t){return new Promise((function(i,n){function r(i){e.removeListener(t,s),n(i)}function s(){"function"==typeof e.removeListener&&e.removeListener("error",r),i([].slice.call(arguments))}v(e,t,s,{once:!0}),"error"!==t&&function(e,t,i){"function"==typeof e.on&&v(e,"error",t,i)}(e,r,{once:!0})}))},o.EventEmitter=o,o.prototype._events=void 0,o.prototype._eventsCount=0,o.prototype._maxListeners=void 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MIT License. Feross Aboukhadijeh */ const n=e("queue-microtask");t.exports=class{constructor(e){if(this.store=e,this.chunkLength=e.chunkLength,!this.store||!this.store.get||!this.store.put)throw new Error("First argument must be abstract-chunk-store compliant");this.mem=[]}put(e,t,i=(()=>{})){this.mem[e]=t,this.store.put(e,t,(t=>{this.mem[e]=null,i(t)}))}get(e,t,i=(()=>{})){if("function"==typeof t)return this.get(e,null,t);let r=this.mem[e];if(!r)return this.store.get(e,t,i);t||(t={});const s=t.offset||0,a=t.length||r.length-s;0===s&&a===r.length||(r=r.slice(s,a+s)),n((()=>i(null,r)))}close(e=(()=>{})){this.store.close(e)}destroy(e=(()=>{})){this.store.destroy(e)}}},{"queue-microtask":353}],245:[function(e,t,i){"function"==typeof Object.create?t.exports=function(e,t){t&&(e.super_=t,e.prototype=Object.create(t.prototype,{constructor:{value:e,enumerable:!1,writable:!0,configurable:!0}}))}:t.exports=function(e,t){if(t){e.super_=t;var i=function(){};i.prototype=t.prototype,e.prototype=new 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this.interval=i;this.parentBucket=n,this.content=0,this.lastDrip=+new Date};i.prototype={bucketSize:1,tokensPerInterval:1,interval:1e3,parentBucket:null,content:0,lastDrip:0,removeTokens:function(t,i){var n=this;return this.bucketSize?t>this.bucketSize?(e.nextTick(i.bind(null,"Requested tokens "+t+" exceeds bucket size "+this.bucketSize,null)),!1):(this.drip(),t>this.content?r():this.parentBucket?this.parentBucket.removeTokens(t,(function(e,s){return e?i(e,null):t>n.content?r():(n.content-=t,void i(null,Math.min(s,n.content)))})):(this.content-=t,e.nextTick(i.bind(null,null,this.content)),!0)):(e.nextTick(i.bind(null,null,t,Number.POSITIVE_INFINITY)),!0);function r(){var e=Math.ceil((t-n.content)*(n.interval/n.tokensPerInterval));return setTimeout((function(){n.removeTokens(t,i)}),e),!1}},tryRemoveTokens:function(e){return!this.bucketSize||!(e>this.bucketSize)&&(this.drip(),!(e>this.content)&&(!(this.parentBucket&&!this.parentBucket.tryRemoveTokens(e))&&(this.content-=e,!0)))},drip:function(){if(this.tokensPerInterval){var e=+new Date,t=Math.max(e-this.lastDrip,0);this.lastDrip=e;var i=t*(this.tokensPerInterval/this.interval);this.content=Math.min(this.content+i,this.bucketSize)}else this.content=this.bucketSize}},t.exports=i}).call(this)}).call(this,e("_process"))},{_process:340}],254:[function(e,t,i){var n=e("events"),r=e("inherits");function s(e){if(!(this instanceof s))return new s(e);"number"==typeof e&&(e={max:e}),e||(e={}),n.EventEmitter.call(this),this.cache={},this.head=this.tail=null,this.length=0,this.max=e.max||1e3,this.maxAge=e.maxAge||0}t.exports=s,r(s,n.EventEmitter),Object.defineProperty(s.prototype,"keys",{get:function(){return Object.keys(this.cache)}}),s.prototype.clear=function(){this.cache={},this.head=this.tail=null,this.length=0},s.prototype.remove=function(e){if("string"!=typeof e&&(e=""+e),this.cache.hasOwnProperty(e)){var t=this.cache[e];return delete this.cache[e],this._unlink(e,t.prev,t.next),t.value}},s.prototype._unlink=function(e,t,i){this.length--,0===this.length?this.head=this.tail=null:this.head===e?(this.head=t,this.cache[this.head].next=null):this.tail===e?(this.tail=i,this.cache[this.tail].prev=null):(this.cache[t].next=i,this.cache[i].prev=t)},s.prototype.peek=function(e){if(this.cache.hasOwnProperty(e)){var t=this.cache[e];if(this._checkAge(e,t))return t.value}},s.prototype.set=function(e,t){var i;if("string"!=typeof e&&(e=""+e),this.cache.hasOwnProperty(e)){if((i=this.cache[e]).value=t,this.maxAge&&(i.modified=Date.now()),e===this.head)return t;this._unlink(e,i.prev,i.next)}else i={value:t,modified:0,next:null,prev:null},this.maxAge&&(i.modified=Date.now()),this.cache[e]=i,this.length===this.max&&this.evict();return this.length++,i.next=null,i.prev=this.head,this.head&&(this.cache[this.head].next=e),this.head=e,this.tail||(this.tail=e),t},s.prototype._checkAge=function(e,t){return!(this.maxAge&&Date.now()-t.modified>this.maxAge)||(this.remove(e),this.emit("evict",{key:e,value:t.value}),!1)},s.prototype.get=function(e){if("string"!=typeof e&&(e=""+e),this.cache.hasOwnProperty(e)){var t=this.cache[e];if(this._checkAge(e,t))return this.head!==e&&(e===this.tail?(this.tail=t.next,this.cache[this.tail].prev=null):this.cache[t.prev].next=t.next,this.cache[t.next].prev=t.prev,this.cache[this.head].next=e,t.prev=this.head,t.next=null,this.head=e),t.value}},s.prototype.evict=function(){if(this.tail){var e=this.tail,t=this.remove(this.tail);this.emit("evict",{key:e,value:t})}}},{events:192,inherits:245}],255:[function(e,t,i){(function(i){(function(){ /*! lt_donthave. MIT License. WebTorrent LLC */ const n=e("unordered-array-remove"),{EventEmitter:r}=e("events"),s=e("debug")("lt_donthave");t.exports=()=>{class e extends r{constructor(e){super(),this._peerSupports=!1,this._wire=e}onExtendedHandshake(){this._peerSupports=!0}onMessage(e){let t;try{t=e.readUInt32BE()}catch(e){return}this._wire.peerPieces.get(t)&&(s("got donthave %d",t),this._wire.peerPieces.set(t,!1),this.emit("donthave",t),this._failRequests(t))}donthave(e){if(!this._peerSupports)return;s("donthave %d",e);const t=i.alloc(4);t.writeUInt32BE(e),this._wire.extended("lt_donthave",t)}_failRequests(e){const t=this._wire.requests;for(let i=0;i */ t.exports=s,t.exports.decode=s,t.exports.encode=function(e){e=Object.assign({},e);let t=new Set;e.xt&&"string"==typeof e.xt&&t.add(e.xt);e.xt&&Array.isArray(e.xt)&&(t=new Set(e.xt));e.infoHashBuffer&&t.add(`urn:btih:${e.infoHashBuffer.toString("hex")}`);e.infoHash&&t.add(`urn:btih:${e.infoHash}`);e.infoHashV2Buffer&&t.add(e.xt=`urn:btmh:1220${e.infoHashV2Buffer.toString("hex")}`);e.infoHashV2&&t.add(`urn:btmh:1220${e.infoHashV2}`);const i=Array.from(t);1===i.length&&(e.xt=i[0]);i.length>1&&(e.xt=i);e.publicKeyBuffer&&(e.xs=`urn:btpk:${e.publicKeyBuffer.toString("hex")}`);e.publicKey&&(e.xs=`urn:btpk:${e.publicKey}`);e.name&&(e.dn=e.name);e.keywords&&(e.kt=e.keywords);e.announce&&(e.tr=e.announce);e.urlList&&(e.ws=e.urlList,delete e.as);e.peerAddresses&&(e["x.pe"]=e.peerAddresses);let n="magnet:?";return Object.keys(e).filter((e=>2===e.length||"x.pe"===e)).forEach(((t,i)=>{const s=Array.isArray(e[t])?e[t]:[e[t]];s.forEach(((e,r)=>{(i>0||r>0)&&("kt"!==t&&"so"!==t||0===r)&&(n+="&"),"dn"===t&&(e=encodeURIComponent(e).replace(/%20/g,"+")),"tr"!==t&&"as"!==t&&"ws"!==t||(e=encodeURIComponent(e)),"xs"!==t||e.startsWith("urn:btpk:")||(e=encodeURIComponent(e)),"kt"===t&&(e=encodeURIComponent(e)),"so"!==t&&(n+="kt"===t&&r>0?`+${e}`:`${t}=${e}`)})),"so"===t&&(n+=`${t}=${r.compose(s)}`)})),n};const n=e("thirty-two"),r=e("bep53-range");function s(e){const t={},s=e.split("magnet:?")[1];let a;if((s&&s.length>=0?s.split("&"):[]).forEach((e=>{const i=e.split("=");if(2!==i.length)return;const n=i[0];let s=i[1];"dn"===n&&(s=decodeURIComponent(s).replace(/\+/g," ")),"tr"!==n&&"xs"!==n&&"as"!==n&&"ws"!==n||(s=decodeURIComponent(s)),"kt"===n&&(s=decodeURIComponent(s).split("+")),"ix"===n&&(s=Number(s)),"so"===n&&(s=r.parse(decodeURIComponent(s).split(","))),t[n]?(Array.isArray(t[n])||(t[n]=[t[n]]),t[n].push(s)):t[n]=s})),t.xt){(Array.isArray(t.xt)?t.xt:[t.xt]).forEach((e=>{if(a=e.match(/^urn:btih:(.{40})/))t.infoHash=a[1].toLowerCase();else if(a=e.match(/^urn:btih:(.{32})/)){const e=n.decode(a[1]);t.infoHash=i.from(e,"binary").toString("hex")}else(a=e.match(/^urn:btmh:1220(.{64})/))&&(t.infoHashV2=a[1].toLowerCase())}))}if(t.xs){(Array.isArray(t.xs)?t.xs:[t.xs]).forEach((e=>{(a=e.match(/^urn:btpk:(.{64})/))&&(t.publicKey=a[1].toLowerCase())}))}return t.infoHash&&(t.infoHashBuffer=i.from(t.infoHash,"hex")),t.infoHashV2&&(t.infoHashV2Buffer=i.from(t.infoHashV2,"hex")),t.publicKey&&(t.publicKeyBuffer=i.from(t.publicKey,"hex")),t.dn&&(t.name=t.dn),t.kt&&(t.keywords=t.kt),t.announce=[],("string"==typeof t.tr||Array.isArray(t.tr))&&(t.announce=t.announce.concat(t.tr)),t.urlList=[],("string"==typeof t.as||Array.isArray(t.as))&&(t.urlList=t.urlList.concat(t.as)),("string"==typeof t.ws||Array.isArray(t.ws))&&(t.urlList=t.urlList.concat(t.ws)),t.peerAddresses=[],("string"==typeof t["x.pe"]||Array.isArray(t["x.pe"]))&&(t.peerAddresses=t.peerAddresses.concat(t["x.pe"])),t.announce=Array.from(new Set(t.announce)),t.urlList=Array.from(new Set(t.urlList)),t.peerAddresses=Array.from(new Set(t.peerAddresses)),t}}).call(this)}).call(this,e("buffer").Buffer)},{"bep53-range":24,buffer:109,"thirty-two":472}],257:[function(e,t,i){"use strict";var n=e("inherits"),r=e("hash-base"),s=e("safe-buffer").Buffer,a=new Array(16);function o(){r.call(this,64),this._a=1732584193,this._b=4023233417,this._c=2562383102,this._d=271733878}function c(e,t){return e<>>32-t}function l(e,t,i,n,r,s,a){return c(e+(t&i|~t&n)+r+s|0,a)+t|0}function u(e,t,i,n,r,s,a){return c(e+(t&n|i&~n)+r+s|0,a)+t|0}function p(e,t,i,n,r,s,a){return c(e+(t^i^n)+r+s|0,a)+t|0}function d(e,t,i,n,r,s,a){return c(e+(i^(t|~n))+r+s|0,a)+t|0}n(o,r),o.prototype._update=function(){for(var e=a,t=0;t<16;++t)e[t]=this._block.readInt32LE(4*t);var i=this._a,n=this._b,r=this._c,s=this._d;i=l(i,n,r,s,e[0],3614090360,7),s=l(s,i,n,r,e[1],3905402710,12),r=l(r,s,i,n,e[2],606105819,17),n=l(n,r,s,i,e[3],3250441966,22),i=l(i,n,r,s,e[4],4118548399,7),s=l(s,i,n,r,e[5],1200080426,12),r=l(r,s,i,n,e[6],2821735955,17),n=l(n,r,s,i,e[7],4249261313,22),i=l(i,n,r,s,e[8],1770035416,7),s=l(s,i,n,r,e[9],2336552879,12),r=l(r,s,i,n,e[10],4294925233,17),n=l(n,r,s,i,e[11],2304563134,22),i=l(i,n,r,s,e[12],1804603682,7),s=l(s,i,n,r,e[13],4254626195,12),r=l(r,s,i,n,e[14],2792965006,17),i=u(i,n=l(n,r,s,i,e[15],1236535329,22),r,s,e[1],4129170786,5),s=u(s,i,n,r,e[6],3225465664,9),r=u(r,s,i,n,e[11],643717713,14),n=u(n,r,s,i,e[0],3921069994,20),i=u(i,n,r,s,e[5],3593408605,5),s=u(s,i,n,r,e[10],38016083,9),r=u(r,s,i,n,e[15],3634488961,14),n=u(n,r,s,i,e[4],3889429448,20),i=u(i,n,r,s,e[9],568446438,5),s=u(s,i,n,r,e[14],3275163606,9),r=u(r,s,i,n,e[3],4107603335,14),n=u(n,r,s,i,e[8],1163531501,20),i=u(i,n,r,s,e[13],2850285829,5),s=u(s,i,n,r,e[2],4243563512,9),r=u(r,s,i,n,e[7],1735328473,14),i=p(i,n=u(n,r,s,i,e[12],2368359562,20),r,s,e[5],4294588738,4),s=p(s,i,n,r,e[8],2272392833,11),r=p(r,s,i,n,e[11],1839030562,16),n=p(n,r,s,i,e[14],4259657740,23),i=p(i,n,r,s,e[1],2763975236,4),s=p(s,i,n,r,e[4],1272893353,11),r=p(r,s,i,n,e[7],4139469664,16),n=p(n,r,s,i,e[10],3200236656,23),i=p(i,n,r,s,e[13],681279174,4),s=p(s,i,n,r,e[0],3936430074,11),r=p(r,s,i,n,e[3],3572445317,16),n=p(n,r,s,i,e[6],76029189,23),i=p(i,n,r,s,e[9],3654602809,4),s=p(s,i,n,r,e[12],3873151461,11),r=p(r,s,i,n,e[15],530742520,16),i=d(i,n=p(n,r,s,i,e[2],3299628645,23),r,s,e[0],4096336452,6),s=d(s,i,n,r,e[7],1126891415,10),r=d(r,s,i,n,e[14],2878612391,15),n=d(n,r,s,i,e[5],4237533241,21),i=d(i,n,r,s,e[12],1700485571,6),s=d(s,i,n,r,e[3],2399980690,10),r=d(r,s,i,n,e[10],4293915773,15),n=d(n,r,s,i,e[1],2240044497,21),i=d(i,n,r,s,e[8],1873313359,6),s=d(s,i,n,r,e[15],4264355552,10),r=d(r,s,i,n,e[6],2734768916,15),n=d(n,r,s,i,e[13],1309151649,21),i=d(i,n,r,s,e[4],4149444226,6),s=d(s,i,n,r,e[11],3174756917,10),r=d(r,s,i,n,e[2],718787259,15),n=d(n,r,s,i,e[9],3951481745,21),this._a=this._a+i|0,this._b=this._b+n|0,this._c=this._c+r|0,this._d=this._d+s|0},o.prototype._digest=function(){this._block[this._blockOffset++]=128,this._blockOffset>56&&(this._block.fill(0,this._blockOffset,64),this._update(),this._blockOffset=0),this._block.fill(0,this._blockOffset,56),this._block.writeUInt32LE(this._length[0],56),this._block.writeUInt32LE(this._length[1],60),this._update();var e=s.allocUnsafe(16);return e.writeInt32LE(this._a,0),e.writeInt32LE(this._b,4),e.writeInt32LE(this._c,8),e.writeInt32LE(this._d,12),e},t.exports=o},{"hash-base":213,inherits:245,"safe-buffer":382}],258:[function(e,t,i){ /*! mediasource. MIT License. Feross Aboukhadijeh */ t.exports=o;var n=e("inherits"),r=e("readable-stream"),s=e("to-arraybuffer"),a="undefined"!=typeof window&&window.MediaSource;function o(e,t){var i=this;if(!(i instanceof o))return new o(e,t);if(!a)throw new Error("web browser lacks MediaSource support");t||(t={}),i._debug=t.debug,i._bufferDuration=t.bufferDuration||60,i._elem=e,i._mediaSource=new a,i._streams=[],i.detailedError=null,i._errorHandler=function(){i._elem.removeEventListener("error",i._errorHandler),i._streams.slice().forEach((function(e){e.destroy(i._elem.error)}))},i._elem.addEventListener("error",i._errorHandler),i._elem.src=window.URL.createObjectURL(i._mediaSource)}function c(e,t){var i=this;if(r.Writable.call(i),i._wrapper=e,i._elem=e._elem,i._mediaSource=e._mediaSource,i._allStreams=e._streams,i._allStreams.push(i),i._bufferDuration=e._bufferDuration,i._sourceBuffer=null,i._debugBuffers=[],i._openHandler=function(){i._onSourceOpen()},i._flowHandler=function(){i._flow()},i._errorHandler=function(e){i.destroyed||i.emit("error",e)},"string"==typeof t)i._type=t,"open"===i._mediaSource.readyState?i._createSourceBuffer():i._mediaSource.addEventListener("sourceopen",i._openHandler);else if(null===t._sourceBuffer)t.destroy(),i._type=t._type,i._mediaSource.addEventListener("sourceopen",i._openHandler);else{if(!t._sourceBuffer)throw new Error("The argument to MediaElementWrapper.createWriteStream must be a string or a previous stream returned from that function");t.destroy(),i._type=t._type,i._sourceBuffer=t._sourceBuffer,i._debugBuffers=t._debugBuffers,i._sourceBuffer.addEventListener("updateend",i._flowHandler),i._sourceBuffer.addEventListener("error",i._errorHandler)}i._elem.addEventListener("timeupdate",i._flowHandler),i.on("error",(function(e){i._wrapper.error(e)})),i.on("finish",(function(){if(!i.destroyed&&(i._finished=!0,i._allStreams.every((function(e){return e._finished})))){i._wrapper._dumpDebugData();try{i._mediaSource.endOfStream()}catch(e){}}}))}o.prototype.createWriteStream=function(e){return new c(this,e)},o.prototype.error=function(e){var t=this;t.detailedError||(t.detailedError=e),t._dumpDebugData();try{t._mediaSource.endOfStream("decode")}catch(e){}try{window.URL.revokeObjectURL(t._elem.src)}catch(e){}},o.prototype._dumpDebugData=function(){var e=this;e._debug&&(e._debug=!1,e._streams.forEach((function(e,t){var i,n,r;i=e._debugBuffers,n="mediasource-stream-"+t,(r=document.createElement("a")).href=window.URL.createObjectURL(new window.Blob(i)),r.download=n,r.click()})))},n(c,r.Writable),c.prototype._onSourceOpen=function(){var e=this;e.destroyed||(e._mediaSource.removeEventListener("sourceopen",e._openHandler),e._createSourceBuffer())},c.prototype.destroy=function(e){var t=this;t.destroyed||(t.destroyed=!0,t._allStreams.splice(t._allStreams.indexOf(t),1),t._mediaSource.removeEventListener("sourceopen",t._openHandler),t._elem.removeEventListener("timeupdate",t._flowHandler),t._sourceBuffer&&(t._sourceBuffer.removeEventListener("updateend",t._flowHandler),t._sourceBuffer.removeEventListener("error",t._errorHandler),"open"===t._mediaSource.readyState&&t._sourceBuffer.abort()),e&&t.emit("error",e),t.emit("close"))},c.prototype._createSourceBuffer=function(){var 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e=this._sourceBuffer.buffered,t=this._elem.currentTime,i=-1,n=0;nt)break;(i>=0||t<=s)&&(i=s)}var a=i-t;return 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MIT License. Feross Aboukhadijeh */ const n=e("readable-stream"),r=e("once");function s(e){return o(e,{objectMode:!0,highWaterMark:16})}function a(e){return o(e)}function o(e,t){if(!e||"function"==typeof e||e._readableState)return e;const i=new n.Readable(t).wrap(e);return e.destroy&&(i.destroy=e.destroy.bind(e)),i}class c extends n.Readable{constructor(e,t){super({...t,autoDestroy:!0}),this._drained=!1,this._forwarding=!1,this._current=null,this._toStreams2=t&&t.objectMode?s:a,"function"==typeof e?this._queue=e:(this._queue=e.map(this._toStreams2),this._queue.forEach((e=>{"function"!=typeof e&&this._attachErrorListener(e)}))),this._next()}_read(){this._drained=!0,this._forward()}_forward(){if(this._forwarding||!this._drained||!this._current)return;let e;for(this._forwarding=!0;this._drained&&null!==(e=this._current.read());)this._drained=this.push(e);this._forwarding=!1}_destroy(e,t){let i=[];if(this._current&&i.push(this._current),"function"!=typeof this._queue&&(i=i.concat(this._queue)),0===i.length)t(e);else{let n=i.length,s=e;i.forEach((i=>{!function(e,t,i){if(!e.destroy||e.destroyed)i(t);else{const n=r((e=>i(e||t)));e.on("error",n).on("close",(()=>n())).destroy(t,n)}}(i,e,(e=>{s=s||e,0==--n&&t(s)}))}))}}_next(){if(this._current=null,"function"==typeof this._queue)this._queue(((e,t)=>{if(e)return this.destroy(e);t=this._toStreams2(t),this._attachErrorListener(t),this._gotNextStream(t)}));else{let e=this._queue.shift();"function"==typeof e&&(e=this._toStreams2(e()),this._attachErrorListener(e)),this._gotNextStream(e)}}_gotNextStream(e){if(!e)return void this.push(null);this._current=e,this._forward();const t=()=>{this._forward()},i=()=>{if(!e._readableState.ended&&!e.destroyed){const e=new Error("ERR_STREAM_PREMATURE_CLOSE");e.code="ERR_STREAM_PREMATURE_CLOSE",this.destroy(e)}},n=()=>{this._current=null,e.removeListener("readable",t),e.removeListener("end",n),e.removeListener("close",i),e.destroy(),this._next()};e.on("readable",t),e.once("end",n),e.once("close",i)}_attachErrorListener(e){if(!e)return;const t=i=>{e.removeListener("error",t),this.destroy(i)};e.once("error",t)}}c.obj=e=>new c(e,{objectMode:!0,highWaterMark:16}),t.exports=c},{once:325,"readable-stream":323}],309:[function(e,t,i){arguments[4][28][0].apply(i,arguments)},{dup:28}],310:[function(e,t,i){arguments[4][29][0].apply(i,arguments)},{"./_stream_readable":312,"./_stream_writable":314,_process:340,dup:29,inherits:245}],311:[function(e,t,i){arguments[4][30][0].apply(i,arguments)},{"./_stream_transform":313,dup:30,inherits:245}],312:[function(e,t,i){arguments[4][31][0].apply(i,arguments)},{"../errors":309,"./_stream_duplex":310,"./internal/streams/async_iterator":315,"./internal/streams/buffer_list":316,"./internal/streams/destroy":317,"./internal/streams/from":319,"./internal/streams/state":321,"./internal/streams/stream":322,_process:340,buffer:109,dup:31,events:192,inherits:245,"string_decoder/":471,util:66}],313:[function(e,t,i){arguments[4][32][0].apply(i,arguments)},{"../errors":309,"./_stream_duplex":310,dup:32,inherits:245}],314:[function(e,t,i){arguments[4][33][0].apply(i,arguments)},{"../errors":309,"./_stream_duplex":310,"./internal/streams/destroy":317,"./internal/streams/state":321,"./internal/streams/stream":322,_process:340,buffer:109,dup:33,inherits:245,"util-deprecate":485}],315:[function(e,t,i){arguments[4][34][0].apply(i,arguments)},{"./end-of-stream":318,_process:340,dup:34}],316:[function(e,t,i){arguments[4][35][0].apply(i,arguments)},{buffer:109,dup:35,util:66}],317:[function(e,t,i){arguments[4][36][0].apply(i,arguments)},{_process:340,dup:36}],318:[function(e,t,i){arguments[4][37][0].apply(i,arguments)},{"../../../errors":309,dup:37}],319:[function(e,t,i){arguments[4][38][0].apply(i,arguments)},{dup:38}],320:[function(e,t,i){arguments[4][39][0].apply(i,arguments)},{"../../../errors":309,"./end-of-stream":318,dup:39}],321:[function(e,t,i){arguments[4][40][0].apply(i,arguments)},{"../../../errors":309,dup:40}],322:[function(e,t,i){arguments[4][41][0].apply(i,arguments)},{dup:41,events:192}],323:[function(e,t,i){arguments[4][42][0].apply(i,arguments)},{"./lib/_stream_duplex.js":310,"./lib/_stream_passthrough.js":311,"./lib/_stream_readable.js":312,"./lib/_stream_transform.js":313,"./lib/_stream_writable.js":314,"./lib/internal/streams/end-of-stream.js":318,"./lib/internal/streams/pipeline.js":320,dup:42}],324:[function(e,t,i){t.exports=function(e,t){var i=null;return e.on(t,(function(e){if(i){var t=i;i=null,t(e)}})),function(e){i=e}}},{}],325:[function(e,t,i){var n=e("wrappy");function r(e){var t=function(){return t.called?t.value:(t.called=!0,t.value=e.apply(this,arguments))};return t.called=!1,t}function s(e){var t=function(){if(t.called)throw new Error(t.onceError);return t.called=!0,t.value=e.apply(this,arguments)},i=e.name||"Function wrapped with `once`";return t.onceError=i+" shouldn't be called more than once",t.called=!1,t}t.exports=n(r),t.exports.strict=n(s),r.proto=r((function(){Object.defineProperty(Function.prototype,"once",{value:function(){return r(this)},configurable:!0}),Object.defineProperty(Function.prototype,"onceStrict",{value:function(){return s(this)},configurable:!0})}))},{wrappy:496}],326:[function(e,t,i){t.exports={"2.16.840.1.101.3.4.1.1":"aes-128-ecb","2.16.840.1.101.3.4.1.2":"aes-128-cbc","2.16.840.1.101.3.4.1.3":"aes-128-ofb","2.16.840.1.101.3.4.1.4":"aes-128-cfb","2.16.840.1.101.3.4.1.21":"aes-192-ecb","2.16.840.1.101.3.4.1.22":"aes-192-cbc","2.16.840.1.101.3.4.1.23":"aes-192-ofb","2.16.840.1.101.3.4.1.24":"aes-192-cfb","2.16.840.1.101.3.4.1.41":"aes-256-ecb","2.16.840.1.101.3.4.1.42":"aes-256-cbc","2.16.840.1.101.3.4.1.43":"aes-256-ofb","2.16.840.1.101.3.4.1.44":"aes-256-cfb"}},{}],327:[function(e,t,i){"use strict";var n=e("asn1.js");i.certificate=e("./certificate");var r=n.define("RSAPrivateKey",(function(){this.seq().obj(this.key("version").int(),this.key("modulus").int(),this.key("publicExponent").int(),this.key("privateExponent").int(),this.key("prime1").int(),this.key("prime2").int(),this.key("exponent1").int(),this.key("exponent2").int(),this.key("coefficient").int())}));i.RSAPrivateKey=r;var s=n.define("RSAPublicKey",(function(){this.seq().obj(this.key("modulus").int(),this.key("publicExponent").int())}));i.RSAPublicKey=s;var a=n.define("SubjectPublicKeyInfo",(function(){this.seq().obj(this.key("algorithm").use(o),this.key("subjectPublicKey").bitstr())}));i.PublicKey=a;var o=n.define("AlgorithmIdentifier",(function(){this.seq().obj(this.key("algorithm").objid(),this.key("none").null_().optional(),this.key("curve").objid().optional(),this.key("params").seq().obj(this.key("p").int(),this.key("q").int(),this.key("g").int()).optional())})),c=n.define("PrivateKeyInfo",(function(){this.seq().obj(this.key("version").int(),this.key("algorithm").use(o),this.key("subjectPrivateKey").octstr())}));i.PrivateKey=c;var l=n.define("EncryptedPrivateKeyInfo",(function(){this.seq().obj(this.key("algorithm").seq().obj(this.key("id").objid(),this.key("decrypt").seq().obj(this.key("kde").seq().obj(this.key("id").objid(),this.key("kdeparams").seq().obj(this.key("salt").octstr(),this.key("iters").int())),this.key("cipher").seq().obj(this.key("algo").objid(),this.key("iv").octstr()))),this.key("subjectPrivateKey").octstr())}));i.EncryptedPrivateKey=l;var u=n.define("DSAPrivateKey",(function(){this.seq().obj(this.key("version").int(),this.key("p").int(),this.key("q").int(),this.key("g").int(),this.key("pub_key").int(),this.key("priv_key").int())}));i.DSAPrivateKey=u,i.DSAparam=n.define("DSAparam",(function(){this.int()}));var p=n.define("ECPrivateKey",(function(){this.seq().obj(this.key("version").int(),this.key("privateKey").octstr(),this.key("parameters").optional().explicit(0).use(d),this.key("publicKey").optional().explicit(1).bitstr())}));i.ECPrivateKey=p;var d=n.define("ECParameters",(function(){this.choice({namedCurve:this.objid()})}));i.signature=n.define("signature",(function(){this.seq().obj(this.key("r").int(),this.key("s").int())}))},{"./certificate":328,"asn1.js":3}],328:[function(e,t,i){"use strict";var n=e("asn1.js"),r=n.define("Time",(function(){this.choice({utcTime:this.utctime(),generalTime:this.gentime()})})),s=n.define("AttributeTypeValue",(function(){this.seq().obj(this.key("type").objid(),this.key("value").any())})),a=n.define("AlgorithmIdentifier",(function(){this.seq().obj(this.key("algorithm").objid(),this.key("parameters").optional(),this.key("curve").objid().optional())})),o=n.define("SubjectPublicKeyInfo",(function(){this.seq().obj(this.key("algorithm").use(a),this.key("subjectPublicKey").bitstr())})),c=n.define("RelativeDistinguishedName",(function(){this.setof(s)})),l=n.define("RDNSequence",(function(){this.seqof(c)})),u=n.define("Name",(function(){this.choice({rdnSequence:this.use(l)})})),p=n.define("Validity",(function(){this.seq().obj(this.key("notBefore").use(r),this.key("notAfter").use(r))})),d=n.define("Extension",(function(){this.seq().obj(this.key("extnID").objid(),this.key("critical").bool().def(!1),this.key("extnValue").octstr())})),f=n.define("TBSCertificate",(function(){this.seq().obj(this.key("version").explicit(0).int().optional(),this.key("serialNumber").int(),this.key("signature").use(a),this.key("issuer").use(u),this.key("validity").use(p),this.key("subject").use(u),this.key("subjectPublicKeyInfo").use(o),this.key("issuerUniqueID").implicit(1).bitstr().optional(),this.key("subjectUniqueID").implicit(2).bitstr().optional(),this.key("extensions").explicit(3).seqof(d).optional())})),h=n.define("X509Certificate",(function(){this.seq().obj(this.key("tbsCertificate").use(f),this.key("signatureAlgorithm").use(a),this.key("signatureValue").bitstr())}));t.exports=h},{"asn1.js":3}],329:[function(e,t,i){var n=/Proc-Type: 4,ENCRYPTED[\n\r]+DEK-Info: AES-((?:128)|(?:192)|(?:256))-CBC,([0-9A-H]+)[\n\r]+([0-9A-z\n\r+/=]+)[\n\r]+/m,r=/^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----/m,s=/^-----BEGIN ((?:.*? KEY)|CERTIFICATE)-----([0-9A-z\n\r+/=]+)-----END \1-----$/m,a=e("evp_bytestokey"),o=e("browserify-aes"),c=e("safe-buffer").Buffer;t.exports=function(e,t){var i,l=e.toString(),u=l.match(n);if(u){var p="aes"+u[1],d=c.from(u[2],"hex"),f=c.from(u[3].replace(/[\r\n]/g,""),"base64"),h=a(t,d.slice(0,8),parseInt(u[1],10)).key,m=[],b=o.createDecipheriv(p,h,d);m.push(b.update(f)),m.push(b.final()),i=c.concat(m)}else{var v=l.match(s);i=c.from(v[2].replace(/[\r\n]/g,""),"base64")}return{tag:l.match(r)[1],data:i}}},{"browserify-aes":69,evp_bytestokey:193,"safe-buffer":382}],330:[function(e,t,i){var n=e("./asn1"),r=e("./aesid.json"),s=e("./fixProc"),a=e("browserify-aes"),o=e("pbkdf2"),c=e("safe-buffer").Buffer;function l(e){var t;"object"!=typeof e||c.isBuffer(e)||(t=e.passphrase,e=e.key),"string"==typeof e&&(e=c.from(e));var i,l,u=s(e,t),p=u.tag,d=u.data;switch(p){case"CERTIFICATE":l=n.certificate.decode(d,"der").tbsCertificate.subjectPublicKeyInfo;case"PUBLIC KEY":switch(l||(l=n.PublicKey.decode(d,"der")),i=l.algorithm.algorithm.join(".")){case"1.2.840.113549.1.1.1":return n.RSAPublicKey.decode(l.subjectPublicKey.data,"der");case"1.2.840.10045.2.1":return l.subjectPrivateKey=l.subjectPublicKey,{type:"ec",data:l};case"1.2.840.10040.4.1":return l.algorithm.params.pub_key=n.DSAparam.decode(l.subjectPublicKey.data,"der"),{type:"dsa",data:l.algorithm.params};default:throw new Error("unknown key id "+i)}case"ENCRYPTED PRIVATE KEY":d=function(e,t){var i=e.algorithm.decrypt.kde.kdeparams.salt,n=parseInt(e.algorithm.decrypt.kde.kdeparams.iters.toString(),10),s=r[e.algorithm.decrypt.cipher.algo.join(".")],l=e.algorithm.decrypt.cipher.iv,u=e.subjectPrivateKey,p=parseInt(s.split("-")[1],10)/8,d=o.pbkdf2Sync(t,i,n,p,"sha1"),f=a.createDecipheriv(s,d,l),h=[];return h.push(f.update(u)),h.push(f.final()),c.concat(h)}(d=n.EncryptedPrivateKey.decode(d,"der"),t);case"PRIVATE KEY":switch(i=(l=n.PrivateKey.decode(d,"der")).algorithm.algorithm.join(".")){case"1.2.840.113549.1.1.1":return n.RSAPrivateKey.decode(l.subjectPrivateKey,"der");case"1.2.840.10045.2.1":return{curve:l.algorithm.curve,privateKey:n.ECPrivateKey.decode(l.subjectPrivateKey,"der").privateKey};case"1.2.840.10040.4.1":return l.algorithm.params.priv_key=n.DSAparam.decode(l.subjectPrivateKey,"der"),{type:"dsa",params:l.algorithm.params};default:throw new Error("unknown key id "+i)}case"RSA PUBLIC KEY":return n.RSAPublicKey.decode(d,"der");case"RSA PRIVATE KEY":return n.RSAPrivateKey.decode(d,"der");case"DSA PRIVATE KEY":return{type:"dsa",params:n.DSAPrivateKey.decode(d,"der")};case"EC PRIVATE KEY":return{curve:(d=n.ECPrivateKey.decode(d,"der")).parameters.value,privateKey:d.privateKey};default:throw new Error("unknown key type "+p)}}t.exports=l,l.signature=n.signature},{"./aesid.json":326,"./asn1":327,"./fixProc":329,"browserify-aes":69,pbkdf2:333,"safe-buffer":382}],331:[function(e,t,i){(function(i){(function(){ /*! parse-torrent. MIT License. WebTorrent LLC */ const n=e("bencode"),r=e("blob-to-buffer"),s=e("fs"),a=e("simple-get"),o=e("magnet-uri"),c=e("path"),l=e("simple-sha1"),u=e("queue-microtask");function p(e){if("string"==typeof e&&/^(stream-)?magnet:/.test(e)){const t=o(e);if(!t.infoHash)throw new Error("Invalid torrent identifier");return t}if("string"==typeof e&&(/^[a-f0-9]{40}$/i.test(e)||/^[a-z2-7]{32}$/i.test(e)))return o(`magnet:?xt=urn:btih:${e}`);if(i.isBuffer(e)&&20===e.length)return o(`magnet:?xt=urn:btih:${e.toString("hex")}`);if(i.isBuffer(e))return function(e){i.isBuffer(e)&&(e=n.decode(e));f(e.info,"info"),f(e.info["name.utf-8"]||e.info.name,"info.name"),f(e.info["piece length"],"info['piece length']"),f(e.info.pieces,"info.pieces"),e.info.files?e.info.files.forEach((e=>{f("number"==typeof e.length,"info.files[0].length"),f(e["path.utf-8"]||e.path,"info.files[0].path")})):f("number"==typeof e.info.length,"info.length");const t={info:e.info,infoBuffer:n.encode(e.info),name:(e.info["name.utf-8"]||e.info.name).toString(),announce:[]};t.infoHash=l.sync(t.infoBuffer),t.infoHashBuffer=i.from(t.infoHash,"hex"),void 0!==e.info.private&&(t.private=!!e.info.private);e["creation date"]&&(t.created=new Date(1e3*e["creation date"]));e["created by"]&&(t.createdBy=e["created by"].toString());i.isBuffer(e.comment)&&(t.comment=e.comment.toString());Array.isArray(e["announce-list"])&&e["announce-list"].length>0?e["announce-list"].forEach((e=>{e.forEach((e=>{t.announce.push(e.toString())}))})):e.announce&&t.announce.push(e.announce.toString());i.isBuffer(e["url-list"])&&(e["url-list"]=e["url-list"].length>0?[e["url-list"]]:[]);t.urlList=(e["url-list"]||[]).map((e=>e.toString())),t.announce=Array.from(new Set(t.announce)),t.urlList=Array.from(new Set(t.urlList));const r=e.info.files||[e.info];t.files=r.map(((e,i)=>{const n=[].concat(t.name,e["path.utf-8"]||e.path||[]).map((e=>e.toString()));return{path:c.join.apply(null,[c.sep].concat(n)).slice(1),name:n[n.length-1],length:e.length,offset:r.slice(0,i).reduce(d,0)}})),t.length=r.reduce(d,0);const s=t.files[t.files.length-1];return t.pieceLength=e.info["piece length"],t.lastPieceLength=(s.offset+s.length)%t.pieceLength||t.pieceLength,t.pieces=function(e){const t=[];for(let i=0;i{n(null,o)})):(c=t,"undefined"!=typeof Blob&&c instanceof Blob?r(t,((e,t)=>{if(e)return n(new Error(`Error converting Blob: ${e.message}`));l(t)})):"function"==typeof a&&/^https?:/.test(t)?(i=Object.assign({url:t,timeout:3e4,headers:{"user-agent":"WebTorrent (https://webtorrent.io)"}},i),a.concat(i,((e,t,i)=>{if(e)return n(new Error(`Error downloading torrent: ${e.message}`));l(i)}))):"function"==typeof s.readFile&&"string"==typeof t?s.readFile(t,((e,t)=>{if(e)return n(new Error("Invalid torrent identifier"));l(t)})):u((()=>{n(new Error("Invalid torrent identifier"))})));var c;function l(e){try{o=p(e)}catch(e){return n(e)}o&&o.infoHash?n(null,o):n(new Error("Invalid torrent identifier"))}},t.exports.toMagnetURI=o.encode,t.exports.toTorrentFile=function(e){const t={info:e.info};t["announce-list"]=(e.announce||[]).map((e=>(t.announce||(t.announce=e),[e=i.from(e,"utf8")]))),t["url-list"]=e.urlList||[],void 0!==e.private&&(t.private=Number(e.private));e.created&&(t["creation date"]=e.created.getTime()/1e3|0);e.createdBy&&(t["created by"]=e.createdBy);e.comment&&(t.comment=e.comment);return n.encode(t)},i.alloc(0)}).call(this)}).call(this,e("buffer").Buffer)},{bencode:22,"blob-to-buffer":47,buffer:109,fs:66,"magnet-uri":256,path:332,"queue-microtask":353,"simple-get":393,"simple-sha1":410}],332:[function(e,t,i){(function(e){(function(){"use strict";function i(e){if("string"!=typeof e)throw new TypeError("Path must be a string. 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MIT License. Feross Aboukhadijeh */ const n=e("debug")("simple-peer"),r=e("get-browser-rtc"),s=e("randombytes"),a=e("readable-stream"),o=e("queue-microtask"),c=e("err-code"),{Buffer:l}=e("buffer"),u=65536;function p(e){return e.replace(/a=ice-options:trickle\s\n/g,"")}class d extends a.Duplex{constructor(e){if(super(e=Object.assign({allowHalfOpen:!1},e)),this._id=s(4).toString("hex").slice(0,7),this._debug("new peer %o",e),this.channelName=e.initiator?e.channelName||s(20).toString("hex"):null,this.initiator=e.initiator||!1,this.channelConfig=e.channelConfig||d.channelConfig,this.channelNegotiated=this.channelConfig.negotiated,this.config=Object.assign({},d.config,e.config),this.offerOptions=e.offerOptions||{},this.answerOptions=e.answerOptions||{},this.sdpTransform=e.sdpTransform||(e=>e),this.streams=e.streams||(e.stream?[e.stream]:[]),this.trickle=void 0===e.trickle||e.trickle,this.allowHalfTrickle=void 0!==e.allowHalfTrickle&&e.allowHalfTrickle,this.iceCompleteTimeout=e.iceCompleteTimeout||5e3,this.destroyed=!1,this.destroying=!1,this._connected=!1,this.remoteAddress=void 0,this.remoteFamily=void 0,this.remotePort=void 0,this.localAddress=void 0,this.localFamily=void 0,this.localPort=void 0,this._wrtc=e.wrtc&&"object"==typeof e.wrtc?e.wrtc:r(),!this._wrtc)throw"undefined"==typeof window?c(new Error("No WebRTC support: Specify `opts.wrtc` option in this environment"),"ERR_WEBRTC_SUPPORT"):c(new Error("No WebRTC support: Not a supported browser"),"ERR_WEBRTC_SUPPORT");this._pcReady=!1,this._channelReady=!1,this._iceComplete=!1,this._iceCompleteTimer=null,this._channel=null,this._pendingCandidates=[],this._isNegotiating=!1,this._firstNegotiation=!0,this._batchedNegotiation=!1,this._queuedNegotiation=!1,this._sendersAwaitingStable=[],this._senderMap=new Map,this._closingInterval=null,this._remoteTracks=[],this._remoteStreams=[],this._chunk=null,this._cb=null,this._interval=null;try{this._pc=new this._wrtc.RTCPeerConnection(this.config)}catch(e){return void this.destroy(c(e,"ERR_PC_CONSTRUCTOR"))}this._isReactNativeWebrtc="number"==typeof this._pc._peerConnectionId,this._pc.oniceconnectionstatechange=()=>{this._onIceStateChange()},this._pc.onicegatheringstatechange=()=>{this._onIceStateChange()},this._pc.onconnectionstatechange=()=>{this._onConnectionStateChange()},this._pc.onsignalingstatechange=()=>{this._onSignalingStateChange()},this._pc.onicecandidate=e=>{this._onIceCandidate(e)},"object"==typeof this._pc.peerIdentity&&this._pc.peerIdentity.catch((e=>{this.destroy(c(e,"ERR_PC_PEER_IDENTITY"))})),this.initiator||this.channelNegotiated?this._setupData({channel:this._pc.createDataChannel(this.channelName,this.channelConfig)}):this._pc.ondatachannel=e=>{this._setupData(e)},this.streams&&this.streams.forEach((e=>{this.addStream(e)})),this._pc.ontrack=e=>{this._onTrack(e)},this._debug("initial negotiation"),this._needsNegotiation(),this._onFinishBound=()=>{this._onFinish()},this.once("finish",this._onFinishBound)}get bufferSize(){return this._channel&&this._channel.bufferedAmount||0}get connected(){return this._connected&&"open"===this._channel.readyState}address(){return{port:this.localPort,family:this.localFamily,address:this.localAddress}}signal(e){if(!this.destroying){if(this.destroyed)throw c(new Error("cannot signal after peer is destroyed"),"ERR_DESTROYED");if("string"==typeof e)try{e=JSON.parse(e)}catch(t){e={}}this._debug("signal()"),e.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),e.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(e.transceiverRequest.kind,e.transceiverRequest.init)),e.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(e.candidate):this._pendingCandidates.push(e.candidate)),e.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(e)).then((()=>{this.destroyed||(this._pendingCandidates.forEach((e=>{this._addIceCandidate(e)})),this._pendingCandidates=[],"offer"===this._pc.remoteDescription.type&&this._createAnswer())})).catch((e=>{this.destroy(c(e,"ERR_SET_REMOTE_DESCRIPTION"))})),e.sdp||e.candidate||e.renegotiate||e.transceiverRequest||this.destroy(c(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(e){const t=new this._wrtc.RTCIceCandidate(e);this._pc.addIceCandidate(t).catch((e=>{var i;!t.address||t.address.endsWith(".local")?(i="Ignoring unsupported ICE candidate.",console.warn(i)):this.destroy(c(e,"ERR_ADD_ICE_CANDIDATE"))}))}send(e){if(!this.destroying){if(this.destroyed)throw c(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(e)}}addTransceiver(e,t){if(!this.destroying){if(this.destroyed)throw c(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(e,t),this._needsNegotiation()}catch(e){this.destroy(c(e,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind:e,init:t}})}}addStream(e){if(!this.destroying){if(this.destroyed)throw c(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),e.getTracks().forEach((t=>{this.addTrack(t,e)}))}}addTrack(e,t){if(this.destroying)return;if(this.destroyed)throw c(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");const i=this._senderMap.get(e)||new Map;let n=i.get(t);if(n)throw n.removed?c(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED"):c(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED");n=this._pc.addTrack(e,t),i.set(t,n),this._senderMap.set(e,i),this._needsNegotiation()}replaceTrack(e,t,i){if(this.destroying)return;if(this.destroyed)throw c(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");const n=this._senderMap.get(e),r=n?n.get(i):null;if(!r)throw c(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");t&&this._senderMap.set(t,n),null!=r.replaceTrack?r.replaceTrack(t):this.destroy(c(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK"))}removeTrack(e,t){if(this.destroying)return;if(this.destroyed)throw c(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");const i=this._senderMap.get(e),n=i?i.get(t):null;if(!n)throw c(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{n.removed=!0,this._pc.removeTrack(n)}catch(e){"NS_ERROR_UNEXPECTED"===e.name?this._sendersAwaitingStable.push(n):this.destroy(c(e,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(e){if(!this.destroying){if(this.destroyed)throw c(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),e.getTracks().forEach((t=>{this.removeTrack(t,e)}))}}_needsNegotiation(){this._debug("_needsNegotiation"),this._batchedNegotiation||(this._batchedNegotiation=!0,o((()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1})))}negotiate(){if(!this.destroying){if(this.destroyed)throw c(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("start negotiation"),setTimeout((()=>{this._createOffer()}),0)):this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, queueing")):(this._debug("requesting negotiation from initiator"),this.emit("signal",{type:"renegotiate",renegotiate:!0})),this._isNegotiating=!0}}destroy(e){this._destroy(e,(()=>{}))}_destroy(e,t){this.destroyed||this.destroying||(this.destroying=!0,this._debug("destroying (error: %s)",e&&(e.message||e)),o((()=>{if(this.destroyed=!0,this.destroying=!1,this._debug("destroy (error: %s)",e&&(e.message||e)),this.readable=this.writable=!1,this._readableState.ended||this.push(null),this._writableState.finished||this.end(),this._connected=!1,this._pcReady=!1,this._channelReady=!1,this._remoteTracks=null,this._remoteStreams=null,this._senderMap=null,clearInterval(this._closingInterval),this._closingInterval=null,clearInterval(this._interval),this._interval=null,this._chunk=null,this._cb=null,this._onFinishBound&&this.removeListener("finish",this._onFinishBound),this._onFinishBound=null,this._channel){try{this._channel.close()}catch(e){}this._channel.onmessage=null,this._channel.onopen=null,this._channel.onclose=null,this._channel.onerror=null}if(this._pc){try{this._pc.close()}catch(e){}this._pc.oniceconnectionstatechange=null,this._pc.onicegatheringstatechange=null,this._pc.onsignalingstatechange=null,this._pc.onicecandidate=null,this._pc.ontrack=null,this._pc.ondatachannel=null}this._pc=null,this._channel=null,e&&this.emit("error",e),this.emit("close"),t()})))}_setupData(e){if(!e.channel)return 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t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp})};this._pc.setLocalDescription(e).then((()=>{this._debug("createOffer success"),this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.destroy(c(e,"ERR_SET_LOCAL_DESCRIPTION"))}))})).catch((e=>{this.destroy(c(e,"ERR_CREATE_OFFER"))}))}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach((e=>{e.mid||!e.sender.track||e.requested||(e.requested=!0,this.addTransceiver(e.sender.track.kind))}))}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then((e=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(e.sdp=p(e.sdp)),e.sdp=this.sdpTransform(e.sdp);const t=()=>{if(this.destroyed)return;const t=this._pc.localDescription||e;this._debug("signal"),this.emit("signal",{type:t.type,sdp:t.sdp}),this.initiator||this._requestMissingTransceivers()};this._pc.setLocalDescription(e).then((()=>{this.destroyed||(this.trickle||this._iceComplete?t():this.once("_iceComplete",t))})).catch((e=>{this.destroy(c(e,"ERR_SET_LOCAL_DESCRIPTION"))}))})).catch((e=>{this.destroy(c(e,"ERR_CREATE_ANSWER"))}))}_onConnectionStateChange(){this.destroyed||"failed"===this._pc.connectionState&&this.destroy(c(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;const e=this._pc.iceConnectionState,t=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",e,t),this.emit("iceStateChange",e,t),"connected"!==e&&"completed"!==e||(this._pcReady=!0,this._maybeReady()),"failed"===e&&this.destroy(c(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),"closed"===e&&this.destroy(c(new Error("Ice connection 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/*! simple-websocket. MIT License. Feross Aboukhadijeh */ const n=e("debug")("simple-websocket"),r=e("randombytes"),s=e("readable-stream"),a=e("queue-microtask"),o=e("ws"),c="function"!=typeof o?WebSocket:o;class l extends s.Duplex{constructor(e={}){if("string"==typeof e&&(e={url:e}),super(e=Object.assign({allowHalfOpen:!1},e)),null==e.url&&null==e.socket)throw new Error("Missing required `url` or `socket` option");if(null!=e.url&&null!=e.socket)throw new Error("Must specify either `url` or `socket` option, not both");if(this._id=r(4).toString("hex").slice(0,7),this._debug("new websocket: %o",e),this.connected=!1,this.destroyed=!1,this._chunk=null,this._cb=null,this._interval=null,e.socket)this.url=e.socket.url,this._ws=e.socket,this.connected=e.socket.readyState===c.OPEN;else{this.url=e.url;try{this._ws="function"==typeof o?new c(e.url,null,{...e,encoding:void 0}):new c(e.url)}catch(e){return void 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t;if(2===i.length&&n>=0&&i[0].left>i[1].right)return i[n]||t;switch(e){case"top":case"bottom":var r=i[0],s=i[i.length-1],a="top"===e,o=r.top,c=s.bottom,l=a?r.left:s.left,u=a?r.right:s.right;return{top:o,bottom:c,left:l,right:u,width:u-l,height:c-o};case"left":case"right":var p=Math.min.apply(Math,i.map((function(e){return e.left}))),d=Math.max.apply(Math,i.map((function(e){return e.right}))),f=i.filter((function(t){return"left"===e?t.left===p:t.right===d})),h=f[0].top,m=f[f.length-1].bottom;return{top:h,bottom:m,left:p,right:d,width:d-p,height:m-h};default:return t}}(v(e),i.getBoundingClientRect(),g(i.getClientRects()),n)}(a.placement)}})),t=a.placement)}};function o(){var t;r||(t=function(e,t){var i;return{popperOptions:Object.assign({},e.popperOptions,{modifiers:[].concat(((null==(i=e.popperOptions)?void 0:i.modifiers)||[]).filter((function(e){return e.name!==t.name})),[t])})}}(e.props,a),r=!0,e.setProps(t),r=!1)}return{onCreate:o,onAfterUpdate:o,onTrigger:function(t,i){if(w(i)){var r=g(e.reference.getClientRects()),s=r.find((function(e){return e.left-2<=i.clientX&&e.right+2>=i.clientX&&e.top-2<=i.clientY&&e.bottom+2>=i.clientY})),a=r.indexOf(s);n=a>-1?a:n}},onHidden:function(){n=-1}}}};var fe={name:"sticky",defaultValue:!1,fn:function(e){var t=e.reference,i=e.popper;function n(t){return!0===e.props.sticky||e.props.sticky===t}var r=null,s=null;function a(){var o=n("reference")?(e.popperInstance?e.popperInstance.state.elements.reference:t).getBoundingClientRect():null,c=n("popper")?i.getBoundingClientRect():null;(o&&he(r,o)||c&&he(s,c))&&e.popperInstance&&e.popperInstance.update(),r=o,s=c,e.state.isMounted&&requestAnimationFrame(a)}return{onMount:function(){e.props.sticky&&a()}}}};function he(e,t){return!e||!t||(e.top!==t.top||e.right!==t.right||e.bottom!==t.bottom||e.left!==t.left)}re.setDefaultProps({render:Q}),i.animateFill=oe,i.createSingleton=function(e,i){var n;void 0===i&&(i={}),"production"!==t.env.NODE_ENV&&H(!Array.isArray(e),["The first argument passed to createSingleton() must be an array of","tippy instances. The passed value was",String(e)].join(" "));var r,s=e,a=[],o=[],c=i.overrides,l=[],u=!1;function p(){o=s.map((function(e){return m(e.props.triggerTarget||e.reference)})).reduce((function(e,t){return e.concat(t)}),[])}function d(){a=s.map((function(e){return e.reference}))}function f(e){s.forEach((function(t){e?t.enable():t.disable()}))}function b(e){return s.map((function(t){var i=t.setProps;return t.setProps=function(n){i(n),t.reference===r&&e.setProps(n)},function(){t.setProps=i}}))}function v(e,t){var i=o.indexOf(t);if(t!==r){r=t;var n=(c||[]).concat("content").reduce((function(e,t){return e[t]=s[i].props[t],e}),{});e.setProps(Object.assign({},n,{getReferenceClientRect:"function"==typeof n.getReferenceClientRect?n.getReferenceClientRect:function(){var e;return null==(e=a[i])?void 0:e.getBoundingClientRect()}}))}}f(!1),d(),p();var g={fn:function(){return{onDestroy:function(){f(!0)},onHidden:function(){r=null},onClickOutside:function(e){e.props.showOnCreate&&!u&&(u=!0,r=null)},onShow:function(e){e.props.showOnCreate&&!u&&(u=!0,v(e,a[0]))},onTrigger:function(e,t){v(e,t.currentTarget)}}}},y=re(_(),Object.assign({},h(i,["overrides"]),{plugins:[g].concat(i.plugins||[]),triggerTarget:o,popperOptions:Object.assign({},i.popperOptions,{modifiers:[].concat((null==(n=i.popperOptions)?void 0:n.modifiers)||[],[se])})})),x=y.show;y.show=function(e){if(x(),!r&&null==e)return v(y,a[0]);if(!r||null!=e){if("number"==typeof e)return a[e]&&v(y,a[e]);if(s.indexOf(e)>=0){var t=e.reference;return v(y,t)}return a.indexOf(e)>=0?v(y,e):void 0}},y.showNext=function(){var e=a[0];if(!r)return y.show(0);var t=a.indexOf(r);y.show(a[t+1]||e)},y.showPrevious=function(){var e=a[a.length-1];if(!r)return y.show(e);var t=a.indexOf(r),i=a[t-1]||e;y.show(i)};var w=y.setProps;return y.setProps=function(e){c=e.overrides||c,w(e)},y.setInstances=function(e){f(!0),l.forEach((function(e){return e()})),s=e,f(!1),d(),p(),l=b(y),y.setProps({triggerTarget:o})},l=b(y),y},i.default=re,i.delegate=function(e,i){"production"!==t.env.NODE_ENV&&H(!(i&&i.target),["You must specity a `target` prop indicating a CSS selector string matching","the target elements that should receive a tippy."].join(" "));var n=[],r=[],s=!1,a=i.target,o=h(i,["target"]),l=Object.assign({},o,{trigger:"manual",touch:!1}),u=Object.assign({touch:W.touch},o,{showOnCreate:!0}),p=re(e,l);function d(e){if(e.target&&!s){var t=e.target.closest(a);if(t){var n=t.getAttribute("data-tippy-trigger")||i.trigger||W.trigger;if(!t._tippy&&!("touchstart"===e.type&&"boolean"==typeof u.touch||"touchstart"!==e.type&&n.indexOf(ae[e.type])<0)){var o=re(t,u);o&&(r=r.concat(o))}}}}function f(e,t,i,r){void 0===r&&(r=!1),e.addEventListener(t,i,r),n.push({node:e,eventType:t,handler:i,options:r})}return m(p).forEach((function(e){var t=e.destroy,i=e.enable,a=e.disable;e.destroy=function(e){void 0===e&&(e=!0),e&&r.forEach((function(e){e.destroy()})),r=[],n.forEach((function(e){var t=e.node,i=e.eventType,n=e.handler,r=e.options;t.removeEventListener(i,n,r)})),n=[],t()},e.enable=function(){i(),r.forEach((function(e){return e.enable()})),s=!1},e.disable=function(){a(),r.forEach((function(e){return e.disable()})),s=!0},function(e){var t=e.reference;f(t,"touchstart",d,c),f(t,"mouseover",d),f(t,"focusin",d),f(t,"click",d)}(e)})),p},i.followCursor=pe,i.hideAll=function(e){var t=void 0===e?{}:e,i=t.exclude,n=t.duration;ie.forEach((function(e){var t=!1;if(i&&(t=k(i)?e.reference===i:e.popper===i.popper),!t){var r=e.props.duration;e.setProps({duration:n}),e.hide(),e.state.isDestroyed||e.setProps({duration:r})}}))},i.inlinePositioning=de,i.roundArrow='',i.sticky=fe}).call(this)}).call(this,e("_process"))},{"@popperjs/core":1,_process:340}],476:[function(e,t,i){var n=e("buffer").Buffer;t.exports=function(e){if(e instanceof Uint8Array){if(0===e.byteOffset&&e.byteLength===e.buffer.byteLength)return e.buffer;if("function"==typeof e.buffer.slice)return e.buffer.slice(e.byteOffset,e.byteOffset+e.byteLength)}if(n.isBuffer(e)){for(var t=new Uint8Array(e.length),i=e.length,r=0;r */ const n=e("debug")("torrent-discovery"),r=e("bittorrent-dht/client"),s=e("events").EventEmitter,a=e("run-parallel"),o=e("bittorrent-tracker/client"),c=e("bittorrent-lsd");t.exports=class extends s{constructor(e){if(super(),!e.peerId)throw new Error("Option `peerId` is required");if(!e.infoHash)throw new Error("Option `infoHash` is required");if(!i.browser&&!e.port)throw new Error("Option `port` is required");this.peerId="string"==typeof e.peerId?e.peerId:e.peerId.toString("hex"),this.infoHash="string"==typeof e.infoHash?e.infoHash.toLowerCase():e.infoHash.toString("hex"),this._port=e.port,this._userAgent=e.userAgent,this.destroyed=!1,this._announce=e.announce||[],this._intervalMs=e.intervalMs||9e5,this._trackerOpts=null,this._dhtAnnouncing=!1,this._dhtTimeout=!1,this._internalDHT=!1,this._onWarning=e=>{this.emit("warning",e)},this._onError=e=>{this.emit("error",e)},this._onDHTPeer=(e,t)=>{t.toString("hex")===this.infoHash&&this.emit("peer",`${e.host}:${e.port}`,"dht")},this._onTrackerPeer=e=>{this.emit("peer",e,"tracker")},this._onTrackerAnnounce=()=>{this.emit("trackerAnnounce")},this._onLSDPeer=(e,t)=>{this.emit("peer",e,"lsd")};const t=(e,t)=>{const i=new r(t);return i.on("warning",this._onWarning),i.on("error",this._onError),i.listen(e),this._internalDHT=!0,i};!1===e.tracker?this.tracker=null:e.tracker&&"object"==typeof e.tracker?(this._trackerOpts=Object.assign({},e.tracker),this.tracker=this._createTracker()):this.tracker=this._createTracker(),!1===e.dht||"function"!=typeof r?this.dht=null:e.dht&&"function"==typeof e.dht.addNode?this.dht=e.dht:e.dht&&"object"==typeof e.dht?this.dht=t(e.dhtPort,e.dht):this.dht=t(e.dhtPort),this.dht&&(this.dht.on("peer",this._onDHTPeer),this._dhtAnnounce()),!1===e.lsd||"function"!=typeof c?this.lsd=null:this.lsd=this._createLSD()}updatePort(e){e!==this._port&&(this._port=e,this.dht&&this._dhtAnnounce(),this.tracker&&(this.tracker.stop(),this.tracker.destroy((()=>{this.tracker=this._createTracker()}))))}complete(e){this.tracker&&this.tracker.complete(e)}destroy(e){if(this.destroyed)return;this.destroyed=!0,clearTimeout(this._dhtTimeout);const t=[];this.tracker&&(this.tracker.stop(),this.tracker.removeListener("warning",this._onWarning),this.tracker.removeListener("error",this._onError),this.tracker.removeListener("peer",this._onTrackerPeer),this.tracker.removeListener("update",this._onTrackerAnnounce),t.push((e=>{this.tracker.destroy(e)}))),this.dht&&this.dht.removeListener("peer",this._onDHTPeer),this._internalDHT&&(this.dht.removeListener("warning",this._onWarning),this.dht.removeListener("error",this._onError),t.push((e=>{this.dht.destroy(e)}))),this.lsd&&(this.lsd.removeListener("warning",this._onWarning),this.lsd.removeListener("error",this._onError),this.lsd.removeListener("peer",this._onLSDPeer),t.push((e=>{this.lsd.destroy(e)}))),a(t,e),this.dht=null,this.tracker=null,this.lsd=null,this._announce=null}_createTracker(){const e=Object.assign({},this._trackerOpts,{infoHash:this.infoHash,announce:this._announce,peerId:this.peerId,port:this._port,userAgent:this._userAgent}),t=new o(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onTrackerPeer),t.on("update",this._onTrackerAnnounce),t.setInterval(this._intervalMs),t.start(),t}_dhtAnnounce(){this._dhtAnnouncing||(n("dht announce"),this._dhtAnnouncing=!0,clearTimeout(this._dhtTimeout),this.dht.announce(this.infoHash,this._port,(e=>{this._dhtAnnouncing=!1,n("dht announce complete"),e&&this.emit("warning",e),this.emit("dhtAnnounce"),this.destroyed||(this._dhtTimeout=setTimeout((()=>{this._dhtAnnounce()}),this._intervalMs+Math.floor(Math.random()*this._intervalMs/5)),this._dhtTimeout.unref&&this._dhtTimeout.unref())})))}_createLSD(){const e=Object.assign({},{infoHash:this.infoHash,peerId:this.peerId,port:this._port}),t=new c(e);return t.on("warning",this._onWarning),t.on("error",this._onError),t.on("peer",this._onLSDPeer),t.start(),t}}}).call(this)}).call(this,e("_process"))},{_process:340,"bittorrent-dht/client":66,"bittorrent-lsd":66,"bittorrent-tracker/client":43,debug:160,events:192,"run-parallel":380}],478:[function(e,t,i){(function(e){(function(){ /*! torrent-piece. MIT License. WebTorrent LLC */ const i=16384;class n{constructor(e){this.length=e,this.missing=e,this.sources=null,this._chunks=Math.ceil(e/i),this._remainder=e%i||i,this._buffered=0,this._buffer=null,this._cancellations=null,this._reservations=0,this._flushed=!1}chunkLength(e){return e===this._chunks-1?this._remainder:i}chunkLengthRemaining(e){return this.length-e*i}chunkOffset(e){return e*i}reserve(){return this.init()?this._cancellations.length?this._cancellations.pop():this._reservations=e.length||t<0)return;var i=e.pop();if(t",'"',"`"," ","\r","\n","\t"]),u=["'"].concat(l),p=["%","/","?",";","#"].concat(u),d=["/","?","#"],f=/^[+a-z0-9A-Z_-]{0,63}$/,h=/^([+a-z0-9A-Z_-]{0,63})(.*)$/,m={javascript:!0,"javascript:":!0},b={javascript:!0,"javascript:":!0},v={http:!0,https:!0,ftp:!0,gopher:!0,file:!0,"http:":!0,"https:":!0,"ftp:":!0,"gopher:":!0,"file:":!0},g=e("querystring");function y(e,t,i){if(e&&r.isObject(e)&&e instanceof s)return e;var n=new s;return n.parse(e,t,i),n}s.prototype.parse=function(e,t,i){if(!r.isString(e))throw new TypeError("Parameter 'url' must be a string, not "+typeof e);var s=e.indexOf("?"),o=-1!==s&&s127?R+="x":R+=B[L];if(!R.match(f)){var P=T.slice(0,A),U=T.slice(A+1),q=B.match(h);q&&(P.push(q[1]),U.unshift(q[2])),U.length&&(y="/"+U.join(".")+y),this.hostname=P.join(".");break}}}this.hostname.length>255?this.hostname="":this.hostname=this.hostname.toLowerCase(),I||(this.hostname=n.toASCII(this.hostname));var N=this.port?":"+this.port:"",D=this.hostname||"";this.host=D+N,this.href+=this.host,I&&(this.hostname=this.hostname.substr(1,this.hostname.length-2),"/"!==y[0]&&(y="/"+y))}if(!m[w])for(A=0,C=u.length;A0)&&i.host.split("@"))&&(i.auth=I.shift(),i.host=i.hostname=I.shift());return i.search=e.search,i.query=e.query,r.isNull(i.pathname)&&r.isNull(i.search)||(i.path=(i.pathname?i.pathname:"")+(i.search?i.search:"")),i.href=i.format(),i}if(!k.length)return i.pathname=null,i.search?i.path="/"+i.search:i.path=null,i.href=i.format(),i;for(var S=k.slice(-1)[0],M=(i.host||e.host||k.length>1)&&("."===S||".."===S)||""===S,A=0,j=k.length;j>=0;j--)"."===(S=k[j])?k.splice(j,1):".."===S?(k.splice(j,1),A++):A&&(k.splice(j,1),A--);if(!x&&!w)for(;A--;A)k.unshift("..");!x||""===k[0]||k[0]&&"/"===k[0].charAt(0)||k.unshift(""),M&&"/"!==k.join("/").substr(-1)&&k.push("");var I,T=""===k[0]||k[0]&&"/"===k[0].charAt(0);E&&(i.hostname=i.host=T?"":k.length?k.shift():"",(I=!!(i.host&&i.host.indexOf("@")>0)&&i.host.split("@"))&&(i.auth=I.shift(),i.host=i.hostname=I.shift()));return(x=x||i.host&&k.length)&&!T&&k.unshift(""),k.length?i.pathname=k.join("/"):(i.pathname=null,i.path=null),r.isNull(i.pathname)&&r.isNull(i.search)||(i.path=(i.pathname?i.pathname:"")+(i.search?i.search:"")),i.auth=e.auth||i.auth,i.slashes=i.slashes||e.slashes,i.href=i.format(),i},s.prototype.parseHost=function(){var e=this.host,t=o.exec(e);t&&(":"!==(t=t[0])&&(this.port=t.substr(1)),e=e.substr(0,e.length-t.length)),e&&(this.hostname=e)}},{"./util":483,punycode:349,querystring:352}],483:[function(e,t,i){"use strict";t.exports={isString:function(e){return"string"==typeof e},isObject:function(e){return"object"==typeof e&&null!==e},isNull:function(e){return null===e},isNullOrUndefined:function(e){return null==e}}},{}],484:[function(e,t,i){(function(i){(function(){ /*! ut_metadata. MIT License. WebTorrent LLC */ const{EventEmitter:n}=e("events"),r=e("bencode"),s=e("bitfield").default,a=e("debug")("ut_metadata"),o=e("simple-sha1"),c=16384;t.exports=e=>{class t extends n{constructor(t){super(),this._wire=t,this._fetching=!1,this._metadataComplete=!1,this._metadataSize=null,this._remainingRejects=null,this._bitfield=new s(0,{grow:1e3}),i.isBuffer(e)&&this.setMetadata(e)}onHandshake(e,t,i){this._infoHash=e}onExtendedHandshake(e){return e.m&&e.m.ut_metadata?e.metadata_size?"number"!=typeof e.metadata_size||1e7this._metadataSize&&(i=this._metadataSize);const n=this.metadata.slice(t,i);this._data(e,n,this._metadataSize)}_onData(e,t,i){t.length>c||!this._fetching||(t.copy(this.metadata,e*c),this._bitfield.set(e),this._checkDone())}_onReject(e){this._remainingRejects>0&&this._fetching?(this._request(e),this._remainingRejects-=1):this.emit("warning",new Error('Peer sent "reject" too much'))}_requestPieces(){if(this._fetching){this.metadata=i.alloc(this._metadataSize);for(let e=0;e0?this._requestPieces():this.emit("warning",new Error("Peer sent invalid metadata"))}}return t.prototype.name="ut_metadata",t}}).call(this)}).call(this,e("buffer").Buffer)},{bencode:22,bitfield:26,buffer:109,debug:160,events:192,"simple-sha1":410}],485:[function(e,t,i){(function(e){(function(){function i(t){try{if(!e.localStorage)return!1}catch(e){return!1}var i=e.localStorage[t];return null!=i&&"true"===String(i).toLowerCase()}t.exports=function(e,t){if(i("noDeprecation"))return e;var n=!1;return function(){if(!n){if(i("throwDeprecation"))throw new Error(t);i("traceDeprecation")?console.trace(t):console.warn(t),n=!0}return e.apply(this,arguments)}}}).call(this)}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],486:[function(e,t,i){(function(i){(function(){const n=e("binary-search"),r=e("events"),s=e("mp4-stream"),a=e("mp4-box-encoding"),o=e("range-slice-stream");class c{constructor(e,t){this._entries=e,this._countName=t||"count",this._index=0,this._offset=0,this.value=this._entries[0]}inc(){this._offset++,this._offset>=this._entries[this._index][this._countName]&&(this._index++,this._offset=0),this.value=this._entries[this._index]}}const l=1;t.exports=class extends r{constructor(e){super(),this._tracks=[],this._file=e,this._decoder=null,this._findMoov(0)}_findMoov(e){this._decoder&&this._decoder.destroy();let t=0;this._decoder=s.decode();const i=this._file.createReadStream({start:e});i.pipe(this._decoder);const n=r=>{"moov"===r.type?(this._decoder.removeListener("box",n),this._decoder.decode((e=>{i.destroy();try{this._processMoov(e)}catch(e){e.message=`Cannot parse mp4 file: ${e.message}`,this.emit("error",e)}}))):r.length<4096?(t+=r.length,this._decoder.ignore()):(this._decoder.removeListener("box",n),t+=r.length,i.destroy(),this._decoder.destroy(),this._findMoov(e+t))};this._decoder.on("box",n)}_processMoov(e){const t=e.traks;this._tracks=[],this._hasVideo=!1,this._hasAudio=!1;for(let i=0;i=s.stsz.entries.length)break;if(f++,m+=e,f>=n.samplesPerChunk){f=0,m=0,h++;const e=s.stsc.entries[b+1];e&&h+1>=e.firstChunk&&b++}v+=t,g.inc(),y&&y.inc(),r&&_++}r.mdia.mdhd.duration=0,r.tkhd.duration=0;const x=n.sampleDescriptionId,w={type:"moov",mvhd:e.mvhd,traks:[{tkhd:r.tkhd,mdia:{mdhd:r.mdia.mdhd,hdlr:r.mdia.hdlr,elng:r.mdia.elng,minf:{vmhd:r.mdia.minf.vmhd,smhd:r.mdia.minf.smhd,dinf:r.mdia.minf.dinf,stbl:{stsd:s.stsd,stts:{version:0,flags:0,entries:[]},ctts:{version:0,flags:0,entries:[]},stsc:{version:0,flags:0,entries:[]},stsz:{version:0,flags:0,entries:[]},stco:{version:0,flags:0,entries:[]},stss:{version:0,flags:0,entries:[]}}}}}],mvex:{mehd:{fragmentDuration:e.mvhd.duration},trexs:[{trackId:r.tkhd.trackId,defaultSampleDescriptionIndex:x,defaultSampleDuration:0,defaultSampleSize:0,defaultSampleFlags:0}]}};this._tracks.push({fragmentSequence:1,trackId:r.tkhd.trackId,timeScale:r.mdia.mdhd.timeScale,samples:p,currSample:null,currTime:null,moov:w,mime:u})}if(0===this._tracks.length)return void this.emit("error",new Error("no playable tracks"));e.mvhd.duration=0,this._ftyp={type:"ftyp",brand:"iso5",brandVersion:0,compatibleBrands:["iso5"]};const r=a.encode(this._ftyp),s=this._tracks.map((e=>{const t=a.encode(e.moov);return{mime:e.mime,init:i.concat([r,t])}}));this.emit("ready",s)}seek(e){if(!this._tracks)throw new Error("Not ready yet; wait for 'ready' event");this._fileStream&&(this._fileStream.destroy(),this._fileStream=null);let t=-1;if(this._tracks.map(((i,n)=>{i.outStream&&i.outStream.destroy(),i.inStream&&(i.inStream.destroy(),i.inStream=null);const r=i.outStream=s.encode(),a=this._generateFragment(n,e);if(!a)return r.finalize();(-1===t||a.ranges[0].start{r.destroyed||r.box(e.moof,(t=>{if(t)return this.emit("error",t);if(r.destroyed)return;i.inStream.slice(e.ranges).pipe(r.mediaData(e.length,(e=>{if(e)return this.emit("error",e);if(r.destroyed)return;const t=this._generateFragment(n);if(!t)return r.finalize();o(t)})))}))};o(a)})),t>=0){const e=this._fileStream=this._file.createReadStream({start:t});this._tracks.forEach((i=>{i.inStream=new o(t,{highWaterMark:1e7}),e.pipe(i.inStream)}))}return this._tracks.map((e=>e.outStream))}_findSampleBefore(e,t){const i=this._tracks[e],r=Math.floor(i.timeScale*t);let s=n(i.samples,r,((e,t)=>e.dts+e.presentationOffset-t));for(-1===s?s=0:s<0&&(s=-s-2);!i.samples[s].sync;)s--;return s}_generateFragment(e,t){const i=this._tracks[e];let n;if(n=void 0!==t?this._findSampleBefore(e,t):i.currSample,n>=i.samples.length)return null;const r=i.samples[n].dts;let s=0;const a=[];for(var o=n;o=i.timeScale*l)break;s+=e.size;const t=a.length-1;t<0||a[t].end!==e.offset?a.push({start:e.offset,end:e.offset+e.size}):a[t].end+=e.size}return i.currSample=o,{moof:this._generateMoof(e,n,o),ranges:a,length:s}}_generateMoof(e,t,i){const n=this._tracks[e],r=[];let s=0;for(let e=t;e{this.detailedError=this._elemWrapper.detailedError,this.destroy()},this._onWaiting=()=>{this._waitingFired=!0,this._muxer?this._tracks&&this._pump():this._createMuxer()},t.autoplay&&(t.preload="auto"),t.addEventListener("waiting",this._onWaiting),t.addEventListener("error",this._onError)}a.prototype={_createMuxer(){this._muxer=new s(this._file),this._muxer.on("ready",(e=>{this._tracks=e.map((e=>{const t=this._elemWrapper.createWriteStream(e.mime);t.on("error",(e=>{this._elemWrapper.error(e)}));const i={muxed:null,mediaSource:t,initFlushed:!1,onInitFlushed:null};return t.write(e.init,(e=>{i.initFlushed=!0,i.onInitFlushed&&i.onInitFlushed(e)})),i})),(this._waitingFired||"auto"===this._elem.preload)&&this._pump()})),this._muxer.on("error",(e=>{this._elemWrapper.error(e)}))},_pump(){const e=this._muxer.seek(this._elem.currentTime,!this._tracks);this._tracks.forEach(((t,i)=>{const n=()=>{t.muxed&&(t.muxed.destroy(),t.mediaSource=this._elemWrapper.createWriteStream(t.mediaSource),t.mediaSource.on("error",(e=>{this._elemWrapper.error(e)}))),t.muxed=e[i],r(t.muxed,t.mediaSource)};t.initFlushed?n():t.onInitFlushed=e=>{e?this._elemWrapper.error(e):n()}}))},destroy(){this.destroyed||(this.destroyed=!0,this._elem.removeEventListener("waiting",this._onWaiting),this._elem.removeEventListener("error",this._onError),this._tracks&&this._tracks.forEach((e=>{e.muxed&&e.muxed.destroy()})),this._elem.src="")}},t.exports=a},{"./mp4-remuxer":486,mediasource:258,pump:348}],488:[function(e,t,i){(function(i){(function(){ /*! webtorrent. MIT License. WebTorrent LLC */ const n=e("events"),r=e("path"),s=e("simple-concat"),a=e("create-torrent"),o=e("debug"),c=e("bittorrent-dht/client"),l=e("load-ip-set"),u=e("run-parallel"),p=e("parse-torrent"),d=e("simple-peer"),f=e("queue-microtask"),h=e("randombytes"),m=e("simple-sha1"),b=e("throughput"),{ThrottleGroup:v}=e("speed-limiter"),g=e("./lib/conn-pool.js"),y=e("./lib/torrent.js"),{version:_}=e("./package.json"),x=o("webtorrent"),w=_.replace(/\d*./g,(e=>("0"+e%100).slice(-2))).slice(0,4),k=`-WW${w}-`;class E extends n{constructor(t={}){super(),"string"==typeof t.peerId?this.peerId=t.peerId:i.isBuffer(t.peerId)?this.peerId=t.peerId.toString("hex"):this.peerId=i.from(k+h(9).toString("base64")).toString("hex"),this.peerIdBuffer=i.from(this.peerId,"hex"),"string"==typeof t.nodeId?this.nodeId=t.nodeId:i.isBuffer(t.nodeId)?this.nodeId=t.nodeId.toString("hex"):this.nodeId=h(20).toString("hex"),this.nodeIdBuffer=i.from(this.nodeId,"hex"),this._debugId=this.peerId.toString("hex").substring(0,7),this.destroyed=!1,this.listening=!1,this.torrentPort=t.torrentPort||0,this.dhtPort=t.dhtPort||0,this.tracker=void 0!==t.tracker?t.tracker:{},this.lsd=!1!==t.lsd,this.torrents=[],this.maxConns=Number(t.maxConns)||55,this.utp=E.UTP_SUPPORT&&!1!==t.utp,this._downloadLimit=Math.max("number"==typeof t.downloadLimit?t.downloadLimit:-1,-1),this._uploadLimit=Math.max("number"==typeof t.uploadLimit?t.uploadLimit:-1,-1),this.serviceWorker=null,this.workerKeepAliveInterval=null,this.workerPortCount=0,!0===t.secure&&e("./lib/peer").enableSecure(),this._debug("new webtorrent (peerId %s, nodeId %s, port %s)",this.peerId,this.nodeId,this.torrentPort),this.throttleGroups={down:new v({rate:Math.max(this._downloadLimit,0),enabled:this._downloadLimit>=0}),up:new v({rate:Math.max(this._uploadLimit,0),enabled:this._uploadLimit>=0})},this.tracker&&("object"!=typeof this.tracker&&(this.tracker={}),globalThis.WRTC&&!this.tracker.wrtc&&(this.tracker.wrtc=globalThis.WRTC)),"function"==typeof g?this._connPool=new g(this):f((()=>{this._onListening()})),this._downloadSpeed=b(),this._uploadSpeed=b(),!1!==t.dht&&"function"==typeof c?(this.dht=new c(Object.assign({},{nodeId:this.nodeId},t.dht)),this.dht.once("error",(e=>{this._destroy(e)})),this.dht.once("listening",(()=>{const e=this.dht.address();e&&(this.dhtPort=e.port)})),this.dht.setMaxListeners(0),this.dht.listen(this.dhtPort)):this.dht=!1,this.enableWebSeeds=!1!==t.webSeeds;const n=()=>{this.destroyed||(this.ready=!0,this.emit("ready"))};"function"==typeof l&&null!=t.blocklist?l(t.blocklist,{headers:{"user-agent":`WebTorrent/${_} (https://webtorrent.io)`}},((e,t)=>{if(e)return console.error(`Failed to load blocklist: ${e.message}`);this.blocked=t,n()})):f(n)}loadWorker(e,t=(()=>{})){if(!(e instanceof ServiceWorker))throw new Error("Invalid worker registration");if("activated"!==e.state)throw new Error("Worker isn't activated");this.serviceWorker=e,navigator.serviceWorker.addEventListener("message",(e=>{const{data:t}=e;if(!t.type||"webtorrent"===!t.type||!t.url)return null;let[i,...n]=t.url.slice(t.url.indexOf(t.scope+"webtorrent/")+11+t.scope.length).split("/");if(n=decodeURI(n.join("/")),!i||!n)return null;const[r]=e.ports,s=this.get(i)&&this.get(i).files.find((e=>e.path===n));if(!s)return null;const[a,o,c]=s._serve(t),l=o&&o[Symbol.asyncIterator](),u=()=>{r.onmessage=null,o&&o.destroy(),c&&c.destroy(),this.workerPortCount--,this.workerPortCount||(clearInterval(this.workerKeepAliveInterval),this.workerKeepAliveInterval=null)};r.onmessage=async e=>{if(e.data){let e;try{e=(await l.next()).value}catch(e){}r.postMessage(e),e||u(),this.workerKeepAliveInterval||(this.workerKeepAliveInterval=setInterval((()=>fetch(`${this.serviceWorker.scriptURL.slice(0,this.serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/keepalive/`)),2e4))}else u()},this.workerPortCount++,r.postMessage(a)})),t(this.serviceWorker)}get downloadSpeed(){return this._downloadSpeed()}get uploadSpeed(){return this._uploadSpeed()}get progress(){const e=this.torrents.filter((e=>1!==e.progress));return e.reduce(((e,t)=>e+t.downloaded),0)/(e.reduce(((e,t)=>e+(t.length||0)),0)||1)}get ratio(){return this.torrents.reduce(((e,t)=>e+t.uploaded),0)/(this.torrents.reduce(((e,t)=>e+t.received),0)||1)}get(e){if(e instanceof y){if(this.torrents.includes(e))return e}else{let t;try{t=p(e)}catch(e){}if(!t)return null;if(!t.infoHash)throw new Error("Invalid torrent identifier");for(const e of this.torrents)if(e.infoHash===t.infoHash)return e}return null}add(e,t={},i=(()=>{})){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,i]=[{},t]);const n=()=>{if(!this.destroyed)for(const e of this.torrents)if(e.infoHash===s.infoHash&&e!==s)return void s._destroy(new Error(`Cannot add duplicate torrent ${s.infoHash}`))},r=()=>{this.destroyed||(i(s),this.emit("torrent",s))};this._debug("add"),t=t?Object.assign({},t):{};const s=new y(e,this,t);return this.torrents.push(s),s.once("_infoHash",n),s.once("ready",r),s.once("close",(function e(){s.removeListener("_infoHash",n),s.removeListener("ready",r),s.removeListener("close",e)})),s}seed(e,t,i){if(this.destroyed)throw new Error("client is destroyed");"function"==typeof t&&([t,i]=[{},t]),this._debug("seed"),(t=t?Object.assign({},t):{}).skipVerify=!0;const n="string"==typeof e;n&&(t.path=r.dirname(e)),t.createdBy||(t.createdBy=`WebTorrent/${w}`);const o=e=>{this._debug("on seed"),"function"==typeof i&&i(e),e.emit("seed"),this.emit("seed",e)},c=this.add(null,t,(e=>{const i=[i=>{if(n||t.preloadedStore)return i();e.load(l,i)}];this.dht&&i.push((t=>{e.once("dhtAnnounce",t)})),u(i,(t=>{if(!this.destroyed)return t?e._destroy(t):void o(e)}))}));let l;var p;return p=e,"undefined"!=typeof FileList&&p instanceof FileList?e=Array.from(e):Array.isArray(e)||(e=[e]),u(e.map((e=>i=>{!t.preloadedStore&&function(e){return"object"==typeof e&&null!=e&&"function"==typeof e.pipe}(e)?s(e,((t,n)=>{if(t)return i(t);n.name=e.name,i(null,n)})):i(null,e)})),((e,n)=>{if(!this.destroyed)return e?c._destroy(e):void a.parseInput(n,t,((e,r)=>{if(!this.destroyed){if(e)return c._destroy(e);l=r.map((e=>e.getStream)),a(n,t,((e,t)=>{if(this.destroyed)return;if(e)return c._destroy(e);const n=this.get(t);n?(console.warn("A torrent with the same id is already being seeded"),c._destroy(),"function"==typeof i&&i(n)):c._onTorrentId(t)}))}}))})),c}remove(e,t,i){if("function"==typeof t)return this.remove(e,null,t);this._debug("remove");if(!this.get(e))throw new Error(`No torrent with id ${e}`);this._remove(e,t,i)}_remove(e,t,i){if("function"==typeof t)return this._remove(e,null,t);const n=this.get(e);n&&(this.torrents.splice(this.torrents.indexOf(n),1),n.destroy(t,i),this.dht&&this.dht._tables.remove(n.infoHash))}address(){return this.listening?this._connPool?this._connPool.tcpServer.address():{address:"0.0.0.0",family:"IPv4",port:0}:null}throttleDownload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._downloadLimit=e,this._downloadLimit<0?this.throttleGroups.down.setEnabled(!1):(this.throttleGroups.down.setEnabled(!0),void this.throttleGroups.down.setRate(this._downloadLimit)))}throttleUpload(e){return e=Number(e),!(isNaN(e)||!isFinite(e)||e<-1)&&(this._uploadLimit=e,this._uploadLimit<0?this.throttleGroups.up.setEnabled(!1):(this.throttleGroups.up.setEnabled(!0),void this.throttleGroups.up.setRate(this._uploadLimit)))}destroy(e){if(this.destroyed)throw new Error("client already destroyed");this._destroy(null,e)}_destroy(e,t){this._debug("client destroy"),this.destroyed=!0;const i=this.torrents.map((e=>t=>{e.destroy(t)}));this._connPool&&i.push((e=>{this._connPool.destroy(e)})),this.dht&&i.push((e=>{this.dht.destroy(e)})),u(i,t),e&&this.emit("error",e),this.torrents=[],this._connPool=null,this.dht=null,this.throttleGroups.down.destroy(),this.throttleGroups.up.destroy()}_onListening(){if(this._debug("listening"),this.listening=!0,this._connPool){const e=this._connPool.tcpServer.address();e&&(this.torrentPort=e.port)}this.emit("listening")}_debug(){const e=[].slice.call(arguments);e[0]=`[${this._debugId}] ${e[0]}`,x(...e)}_getByHash(e){for(const t of this.torrents)if(t.infoHashHash||(t.infoHashHash=m.sync(i.from("72657132"+t.infoHash,"hex"))),e===t.infoHashHash)return t;return null}}E.WEBRTC_SUPPORT=d.WEBRTC_SUPPORT,E.UTP_SUPPORT=g.UTP_SUPPORT,E.VERSION=_,t.exports=E}).call(this)}).call(this,e("buffer").Buffer)},{"./lib/conn-pool.js":66,"./lib/peer":491,"./lib/torrent.js":493,"./package.json":495,"bittorrent-dht/client":66,buffer:109,"create-torrent":143,debug:160,events:192,"load-ip-set":66,"parse-torrent":331,path:332,"queue-microtask":353,randombytes:356,"run-parallel":380,"simple-concat":392,"simple-peer":394,"simple-sha1":410,"speed-limiter":428,throughput:474}],489:[function(e,t,i){const n=e("stream"),r=e("debug"),s=e("end-of-stream"),a=r("webtorrent:file-stream");class o extends n.Readable{constructor(e,t){super(t),this._torrent=e._torrent;const i=t&&t.start||0,n=t&&t.end&&t.end{this._notify()})),s(this,(e=>{this.destroy(e)}))}_read(){this._reading||(this._reading=!0,this._notify())}_notify(){if(!this._reading||0===this._missing)return;if(!this._torrent.bitfield.get(this._piece))return this._torrent.critical(this._piece,this._piece+this._criticalLength);if(this._notifying)return;if(this._notifying=!0,this._torrent.destroyed)return this.destroy(new Error("Torrent removed"));const e=this._piece,t={};e===this._torrent.pieces.length-1&&(t.length=this._torrent.lastPieceLength),this._torrent.store.get(e,t,((t,i)=>{if(this._notifying=!1,!this.destroyed){if(a("read %s (length %s) (err %s)",e,i&&i.length,t&&t.message),t)return this.destroy(t);this._offset&&(i=i.slice(this._offset),this._offset=0),this._missing{const s=r===e.length-1?n:i;return t.get(r)?s:s-e[r].missing};let o=0;for(let t=r;t<=s;t+=1){const c=a(t);if(o+=c,t===r){const e=this.offset%i;o-=Math.min(e,c)}if(t===s){const t=(s===e.length-1?n:i)-(this.offset+this.length)%i;o-=Math.min(t,c)}}return o}get progress(){return this.length?this.downloaded/this.length:0}select(e){0!==this.length&&this._torrent.select(this._startPiece,this._endPiece,e)}deselect(){0!==this.length&&this._torrent.deselect(this._startPiece,this._endPiece,!1)}createReadStream(e){if(0===this.length){const e=new r;return u((()=>{e.end()})),e}const t=new h(this,e);return this._fileStreams.add(t),t.once("close",(()=>{this._fileStreams.delete(t)})),t}getBuffer(e){l(this.createReadStream(),this.length,e)}getBlob(e){if("undefined"==typeof window)throw new Error("browser-only method");o(this.createReadStream(),this._getMimeType()).then((t=>e(null,t)),(t=>e(t)))}getBlobURL(e){if("undefined"==typeof window)throw new Error("browser-only method");c(this.createReadStream(),this._getMimeType()).then((t=>e(null,t)),(t=>e(t)))}appendTo(e,t,i){if("undefined"==typeof window)throw new Error("browser-only method");a.append(this,e,t,i)}renderTo(e,t,i){if("undefined"==typeof window)throw new Error("browser-only method");a.render(this,e,t,i)}_serve(e){const t={status:200,headers:{"Accept-Ranges":"bytes","Content-Type":d.getType(this.name),"Cache-Control":"no-cache, no-store, must-revalidate, max-age=0",Expires:"0"},body:"HEAD"===e.method?"":"STREAM"};"document"===e.destination&&(t.headers["Content-Type"]="application/octet-stream",t.headers["Content-Disposition"]="attachment",t.body="DOWNLOAD");let i=p(this.length,e.headers.range||"");i.constructor===Array?(t.status=206,i=i[0],t.headers["Content-Range"]=`bytes ${i.start}-${i.end}/${this.length}`,t.headers["Content-Length"]=""+(i.end-i.start+1)):t.headers["Content-Length"]=this.length;const n="GET"===e.method&&this.createReadStream(i);let r=null;return n&&this.emit("stream",{stream:n,req:e,file:this},(e=>{r=e,f(e,(()=>{e&&e.destroy(),n.destroy()}))})),[t,r||n,r&&n]}getStreamURL(e=(()=>{})){if("undefined"==typeof window)throw new Error("browser-only method");if(!this._serviceWorker)throw new Error("No worker registered");if("activated"!==this._serviceWorker.state)throw new Error("Worker isn't activated");e(null,`${this._serviceWorker.scriptURL.slice(0,this._serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length)}webtorrent/${this._torrent.infoHash}/${encodeURI(this.path)}`)}streamTo(e,t=(()=>{})){if("undefined"==typeof window)throw new Error("browser-only method");if(!this._serviceWorker)throw new Error("No worker registered");if("activated"!==this._serviceWorker.state)throw new Error("Worker isn't activated");const i=this._serviceWorker.scriptURL.slice(0,this._serviceWorker.scriptURL.lastIndexOf("/")+1).slice(window.location.origin.length);e.src=`${i}webtorrent/${this._torrent.infoHash}/${encodeURI(this.path)}`,t(null,e)}_getMimeType(){return a.mime[s.extname(this.name).toLowerCase()]}_destroy(){this._destroyed=!0,this._torrent=null;for(const e of this._fileStreams)e.destroy();this._fileStreams.clear()}}},{"./file-stream.js":489,"end-of-stream":190,events:192,mime:281,path:332,"queue-microtask":353,"range-parser":358,"render-media":376,stream:433,"stream-to-blob":468,"stream-to-blob-url":467,"stream-with-known-length-to-buffer":469}],491:[function(e,t,i){const n=e("events"),{Transform:r}=e("stream"),s=e("unordered-array-remove"),a=e("debug"),o=e("bittorrent-protocol"),c=a("webtorrent:peer");let l=!1;i.enableSecure=()=>{l=!0},i.createWebRTCPeer=(e,t,i)=>{const n=new d(e.id,"webrtc");if(n.conn=e,n.swarm=t,n.throttleGroups=i,n.conn.connected)n.onConnect();else{const e=()=>{n.conn.removeListener("connect",t),n.conn.removeListener("error",i)},t=()=>{e(),n.onConnect()},i=t=>{e(),n.destroy(t)};n.conn.once("connect",t),n.conn.once("error",i),n.startConnectTimeout()}return n},i.createTCPIncomingPeer=(e,t)=>u(e,"tcpIncoming",t),i.createUTPIncomingPeer=(e,t)=>u(e,"utpIncoming",t),i.createTCPOutgoingPeer=(e,t,i)=>p(e,t,"tcpOutgoing",i),i.createUTPOutgoingPeer=(e,t,i)=>p(e,t,"utpOutgoing",i);const u=(e,t,i)=>{const n=`${e.remoteAddress}:${e.remotePort}`,r=new d(n,t);return r.conn=e,r.addr=n,r.throttleGroups=i,r.onConnect(),r},p=(e,t,i,n)=>{const r=new d(e,i);return r.addr=e,r.swarm=t,r.throttleGroups=n,r};i.createWebSeedPeer=(e,t,i,n)=>{const r=new d(t,"webSeed");return r.swarm=i,r.conn=e,r.throttleGroups=n,r.onConnect(),r};class d extends n{constructor(e,t){super(),this.id=e,this.type=t,c("new %s Peer %s",t,e),this.addr=null,this.conn=null,this.swarm=null,this.wire=null,this.connected=!1,this.destroyed=!1,this.timeout=null,this.retries=0,this.sentPe1=!1,this.sentPe2=!1,this.sentPe3=!1,this.sentPe4=!1,this.sentHandshake=!1}onConnect(){if(this.destroyed)return;this.connected=!0,c("Peer %s connected",this.id),clearTimeout(this.connectTimeout);const e=this.conn;e.once("end",(()=>{this.destroy()})),e.once("close",(()=>{this.destroy()})),e.once("finish",(()=>{this.destroy()})),e.once("error",(e=>{this.destroy(e)}));const t=this.wire=new o(this.type,this.retries,l);t.once("end",(()=>{this.destroy()})),t.once("close",(()=>{this.destroy()})),t.once("finish",(()=>{this.destroy()})),t.once("error",(e=>{this.destroy(e)})),t.once("pe1",(()=>{this.onPe1()})),t.once("pe2",(()=>{this.onPe2()})),t.once("pe3",(()=>{this.onPe3()})),t.once("pe4",(()=>{this.onPe4()})),t.once("handshake",((e,t)=>{this.onHandshake(e,t)})),this.startHandshakeTimeout(),this.setThrottlePipes(),this.swarm&&("tcpOutgoing"===this.type?l&&0===this.retries&&!this.sentPe1?this.sendPe1():this.sentHandshake||this.handshake():"tcpIncoming"===this.type||this.sentHandshake||this.handshake())}sendPe1(){this.wire.sendPe1(),this.sentPe1=!0}onPe1(){this.sendPe2()}sendPe2(){this.wire.sendPe2(),this.sentPe2=!0}onPe2(){this.sendPe3()}sendPe3(){this.wire.sendPe3(this.swarm.infoHash),this.sentPe3=!0}onPe3(e){this.swarm&&(this.swarm.infoHashHash!==e&&this.destroy(new Error("unexpected crypto handshake info hash for this swarm")),this.sendPe4())}sendPe4(){this.wire.sendPe4(this.swarm.infoHash),this.sentPe4=!0}onPe4(){this.sentHandshake||this.handshake()}clearPipes(){this.conn.unpipe(),this.wire.unpipe()}setThrottlePipes(){const e=this;this.conn.pipe(this.throttleGroups.down.throttle()).pipe(new r({transform(t,i,n){e.emit("download",t.length),e.destroyed||n(null,t)}})).pipe(this.wire).pipe(this.throttleGroups.up.throttle()).pipe(new r({transform(t,i,n){e.emit("upload",t.length),e.destroyed||n(null,t)}})).pipe(this.conn)}onHandshake(e,t){if(!this.swarm)return;if(this.destroyed)return;if(this.swarm.destroyed)return this.destroy(new Error("swarm already destroyed"));if(e!==this.swarm.infoHash)return this.destroy(new Error("unexpected handshake info hash for this swarm"));if(t===this.swarm.peerId)return this.destroy(new Error("refusing to connect to ourselves"));c("Peer %s got handshake %s",this.id,e),clearTimeout(this.handshakeTimeout),this.retries=0;let i=this.addr;!i&&this.conn.remoteAddress&&this.conn.remotePort&&(i=`${this.conn.remoteAddress}:${this.conn.remotePort}`),this.swarm._onWire(this.wire,i),this.swarm&&!this.swarm.destroyed&&(this.sentHandshake||this.handshake())}handshake(){const e={dht:!this.swarm.private&&!!this.swarm.client.dht,fast:!0};this.wire.handshake(this.swarm.infoHash,this.swarm.client.peerId,e),this.sentHandshake=!0}startConnectTimeout(){clearTimeout(this.connectTimeout);const e={webrtc:25e3,tcpOutgoing:5e3,utpOutgoing:5e3};this.connectTimeout=setTimeout((()=>{this.destroy(new Error("connect timeout"))}),e[this.type]),this.connectTimeout.unref&&this.connectTimeout.unref()}startHandshakeTimeout(){clearTimeout(this.handshakeTimeout),this.handshakeTimeout=setTimeout((()=>{this.destroy(new Error("handshake timeout"))}),25e3),this.handshakeTimeout.unref&&this.handshakeTimeout.unref()}destroy(e){if(this.destroyed)return;this.destroyed=!0,this.connected=!1,c("destroy %s %s (error: %s)",this.type,this.id,e&&(e.message||e)),clearTimeout(this.connectTimeout),clearTimeout(this.handshakeTimeout);const t=this.swarm,i=this.conn,n=this.wire;this.swarm=null,this.conn=null,this.wire=null,t&&n&&s(t.wires,t.wires.indexOf(n)),i&&(i.on("error",(()=>{})),i.destroy()),n&&n.destroy(),t&&t.removePeer(this.id)}}},{"bittorrent-protocol":27,debug:160,events:192,stream:433,"unordered-array-remove":481}],492:[function(e,t,i){t.exports=class{constructor(e){this._torrent=e,this._numPieces=e.pieces.length,this._pieces=new Array(this._numPieces),this._onWire=e=>{this.recalculate(),this._initWire(e)},this._onWireHave=e=>{this._pieces[e]+=1},this._onWireBitfield=()=>{this.recalculate()},this._torrent.wires.forEach((e=>{this._initWire(e)})),this._torrent.on("wire",this._onWire),this.recalculate()}getRarestPiece(e){let t=[],i=1/0;for(let n=0;n{this._cleanupWireEvents(e)})),this._torrent=null,this._pieces=null,this._onWire=null,this._onWireHave=null,this._onWireBitfield=null}_initWire(e){e._onClose=()=>{this._cleanupWireEvents(e);for(let t=0;t0&&(i=Math.min(i,t))}return i}function $(){}t.exports=class extends r{constructor(e,t,i){super(),this._debugId="unknown infohash",this.client=t,this.announce=i.announce,this.urlList=i.urlList,this.path=i.path||V,this.addUID=i.addUID||!1,this.skipVerify=!!i.skipVerify,this._store=i.store||b,this._preloadedStore=i.preloadedStore||null,this._storeCacheSlots=void 0!==i.storeCacheSlots?i.storeCacheSlots:20,this._destroyStoreOnDestroy=i.destroyStoreOnDestroy||!1,this._getAnnounceOpts=i.getAnnounceOpts,"boolean"==typeof i.private&&(this.private=i.private),this.strategy=i.strategy||"sequential",this.maxWebConns=i.maxWebConns||4,this._rechokeNumSlots=!1===i.uploads||0===i.uploads?0:+i.uploads||10,this._rechokeOptimisticWire=null,this._rechokeOptimisticTime=0,this._rechokeIntervalId=null,this.ready=!1,this.destroyed=!1,this.paused=i.paused||!1,this.done=!1,this.metadata=null,this.store=null,this.storeOpts=i.storeOpts,this.files=[],this.pieces=[],this._amInterested=!1,this._selections=[],this._critical=[],this.wires=[],this._queue=[],this._peers={},this._peersLength=0,this.received=0,this.uploaded=0,this._downloadSpeed=T(),this._uploadSpeed=T(),this._servers=[],this._xsRequests=[],this._fileModtimes=i.fileModtimes,null!==e&&this._onTorrentId(e),this._debug("new torrent")}get timeRemaining(){return this.done?0:0===this.downloadSpeed?1/0:(this.length-this.downloaded)/this.downloadSpeed*1e3}get downloaded(){if(!this.bitfield)return 0;let e=0;for(let t=0,i=this.pieces.length;t{this.destroyed||this._onParsedTorrent(t)}))):E.remote(e,((e,t)=>{if(!this.destroyed)return e?this._destroy(e):void this._onParsedTorrent(t)}))}_onParsedTorrent(e){if(!this.destroyed){if(this._processParsedTorrent(e),!this.infoHash)return this._destroy(new Error("Malformed torrent data: No info hash"));this._rechokeIntervalId=setInterval((()=>{this._rechoke()}),1e4),this._rechokeIntervalId.unref&&this._rechokeIntervalId.unref(),this.emit("_infoHash",this.infoHash),this.destroyed||(this.emit("infoHash",this.infoHash),this.destroyed||(this.client.listening?this._onListening():this.client.once("listening",(()=>{this._onListening()}))))}}_processParsedTorrent(e){this._debugId=e.infoHash.toString("hex").substring(0,7),void 0!==this.private&&(e.private=this.private),this.announce&&(e.announce=e.announce.concat(this.announce)),this.client.tracker&&n.WEBTORRENT_ANNOUNCE&&!e.private&&(e.announce=e.announce.concat(n.WEBTORRENT_ANNOUNCE)),this.urlList&&(e.urlList=e.urlList.concat(this.urlList)),e.announce=Array.from(new Set(e.announce)),e.urlList=Array.from(new Set(e.urlList)),Object.assign(this,e),this.magnetURI=E.toMagnetURI(e),this.torrentFile=E.toTorrentFile(e)}_onListening(){this.destroyed||(this.info?this._onMetadata(this):(this.xs&&this._getMetadataFromServer(),this._startDiscovery()))}_startDiscovery(){if(this.discovery||this.destroyed)return;let e=this.client.tracker;e&&(e=Object.assign({},this.client.tracker,{getAnnounceOpts:()=>{if(this.destroyed)return;const e={uploaded:this.uploaded,downloaded:this.downloaded,left:Math.max(this.length-this.downloaded,0)};return this.client.tracker.getAnnounceOpts&&Object.assign(e,this.client.tracker.getAnnounceOpts()),this._getAnnounceOpts&&Object.assign(e,this._getAnnounceOpts()),e}})),this.peerAddresses&&this.peerAddresses.forEach((e=>this.addPeer(e))),this.discovery=new m({infoHash:this.infoHash,announce:this.announce,peerId:this.client.peerId,dht:!this.private&&this.client.dht,tracker:e,port:this.client.torrentPort,userAgent:W,lsd:this.client.lsd}),this.discovery.on("error",(e=>{this._destroy(e)})),this.discovery.on("peer",((e,t)=>{this._debug("peer %s discovered via %s",e,t),"string"==typeof e&&this.done||this.addPeer(e)})),this.discovery.on("trackerAnnounce",(()=>{this.emit("trackerAnnounce"),0===this.numPeers&&this.emit("noPeers","tracker")})),this.discovery.on("dhtAnnounce",(()=>{this.emit("dhtAnnounce"),0===this.numPeers&&this.emit("noPeers","dht")})),this.discovery.on("warning",(e=>{this.emit("warning",e)}))}_getMetadataFromServer(){const e=this,t=(Array.isArray(this.xs)?this.xs:[this.xs]).map((t=>i=>{!function(t,i){if(0!==t.indexOf("http://")&&0!==t.indexOf("https://"))return e.emit("warning",new Error(`skipping non-http xs param: ${t}`)),i(null);const n={url:t,method:"GET",headers:{"user-agent":W}};let r;try{r=v.concat(n,s)}catch(n){return e.emit("warning",new Error(`skipping invalid url xs param: ${t}`)),i(null)}function s(n,r,s){if(e.destroyed)return i(null);if(e.metadata)return i(null);if(n)return e.emit("warning",new Error(`http error from xs param: ${t}`)),i(null);if(200!==r.statusCode)return e.emit("warning",new Error(`non-200 status code ${r.statusCode} from xs param: ${t}`)),i(null);let a;try{a=E(s)}catch(n){}return a?a.infoHash!==e.infoHash?(e.emit("warning",new Error(`got torrent file with incorrect info hash from xs param: ${t}`)),i(null)):(e._onMetadata(a),void i(null)):(e.emit("warning",new Error(`got invalid torrent file from xs param: ${t}`)),i(null))}e._xsRequests.push(r)}(t,i)}));w(t)}_onMetadata(e){if(this.metadata||this.destroyed)return;let t;if(this._debug("got metadata"),this._xsRequests.forEach((e=>{e.abort()})),this._xsRequests=[],e&&e.infoHash)t=e;else try{t=E(e)}catch(e){return this._destroy(e)}this._processParsedTorrent(t),this.metadata=this.torrentFile,this.client.enableWebSeeds&&this.urlList.forEach((e=>{this.addWebSeed(e)})),this._rarityMap=new O(this),this.files=this.files.map((e=>new R(this,e)));let i=this._preloadedStore;if(i||(i=new this._store(this.pieceLength,{...this.storeOpts,torrent:this,path:this.path,files:this.files,length:this.length,name:this.name+" - "+this.infoHash.slice(0,8),addUID:this.addUID})),this._storeCacheSlots>0&&!(i instanceof _)&&(i=new p(i,{max:this._storeCacheSlots})),this.store=new g(i),this.so?this.files.forEach(((e,t)=>{this.so.includes(t)?this.files[t].select():this.files[t].deselect()})):0!==this.pieces.length&&this.select(0,this.pieces.length-1,!1),this._hashes=this.pieces,this.pieces=this.pieces.map(((e,t)=>{const i=t===this.pieces.length-1?this.lastPieceLength:this.pieceLength;return new S(i)})),this._reservations=this.pieces.map((()=>[])),this.bitfield=new u(this.pieces.length),this.emit("metadata"),!this.destroyed)if(this.skipVerify)this._markAllVerified(),this._onStore();else{const e=e=>{if(e)return this._destroy(e);this._debug("done verifying"),this._onStore()};this._debug("verifying existing torrent data"),this._fileModtimes&&this._store===b?this.getFileModtimes(((t,i)=>{if(t)return this._destroy(t);this.files.map(((e,t)=>i[t]===this._fileModtimes[t])).every((e=>e))?(this._markAllVerified(),this._onStore()):this._verifyPieces(e)})):this._verifyPieces(e)}}getFileModtimes(e){const t=[];k(this.files.map(((e,i)=>n=>{const r=this.addUID?c.join(this.name+" - "+this.infoHash.slice(0,8)):c.join(this.path,e.path);s.stat(r,((e,r)=>{if(e&&"ENOENT"!==e.code)return n(e);t[i]=r&&r.mtime.getTime(),n(null)}))})),H,(i=>{this._debug("done getting file modtimes"),e(i,t)}))}_verifyPieces(e){k(this.pieces.map(((e,t)=>e=>{if(this.destroyed)return e(new Error("torrent is destroyed"));const i={};t===this.pieces.length-1&&(i.length=this.lastPieceLength),this.store.get(t,i,((i,n)=>this.destroyed?e(new Error("torrent is destroyed")):i?A((()=>e(null))):void I(n,(i=>{if(this.destroyed)return e(new Error("torrent is destroyed"));i===this._hashes[t]?(this._debug("piece verified %s",t),this._markVerified(t)):this._debug("piece invalid %s",t),e(null)}))))})),H,e)}rescanFiles(e){if(this.destroyed)throw new Error("torrent is destroyed");e||(e=$),this._verifyPieces((t=>{if(t)return this._destroy(t),e(t);this._checkDone(),e(null)}))}_markAllVerified(){for(let e=0;ee))return!0;return!1}_onStore(){this.destroyed||(this._debug("on store"),this._startDiscovery(),this.ready=!0,this.emit("ready"),this._checkDone(),this._updateSelections(),this.wires.forEach((e=>{e.ut_metadata&&e.ut_metadata.setMetadata(this.metadata),this._onWireWithMetadata(e)})))}destroy(e,t){if("function"==typeof e)return this.destroy(null,e);this._destroy(null,e,t)}_destroy(e,t,i){if("function"==typeof t)return this._destroy(e,null,t);if(this.destroyed)return;this.destroyed=!0,this._debug("destroy"),this.client._remove(this),clearInterval(this._rechokeIntervalId),this._xsRequests.forEach((e=>{e.abort()})),this._rarityMap&&this._rarityMap.destroy();for(const e in this._peers)this.removePeer(e);this.files.forEach((e=>{e instanceof R&&e._destroy()}));const n=this._servers.map((e=>t=>{e.destroy(t)}));if(this.discovery&&n.push((e=>{this.discovery.destroy(e)})),this.store){let e=this._destroyStoreOnDestroy;t&&void 0!==t.destroyStore&&(e=t.destroyStore),n.push((t=>{e?this.store.destroy(t):this.store.close(t)}))}w(n,i),e&&(0===this.listenerCount("error")?this.client.emit("error",e):this.emit("error",e)),this.emit("close"),this.client=null,this.files=[],this.discovery=null,this.store=null,this._rarityMap=null,this._peers=null,this._servers=null,this._xsRequests=null}addPeer(e){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.infoHash)throw new Error("addPeer() must not be called before the `infoHash` event");let t;if(this.client.blocked){if("string"==typeof e){let i;try{i=l(e)}catch(t){return this._debug("ignoring peer: invalid %s",e),this.emit("invalidPeer",e),!1}t=i[0]}else"string"==typeof e.remoteAddress&&(t=e.remoteAddress);if(t&&this.client.blocked.contains(t))return this._debug("ignoring peer: blocked %s",e),"string"!=typeof e&&e.destroy(),this.emit("blockedPeer",e),!1}const i=this.client.utp&&this._isIPv4(t)?"utp":"tcp",n=!!this._addPeer(e,i);return n?this.emit("peer",e):this.emit("invalidPeer",e),n}_addPeer(e,t){if(this.destroyed)return"string"!=typeof e&&e.destroy(),null;if("string"==typeof e&&!this._validAddr(e))return this._debug("ignoring peer: invalid %s",e),null;const i=e&&e.id||e;if(this._peers[i])return this._debug("ignoring peer: duplicate (%s)",i),"string"!=typeof e&&e.destroy(),null;if(this.paused)return this._debug("ignoring peer: torrent is paused"),"string"!=typeof e&&e.destroy(),null;let n;return this._debug("add peer %s",i),n="string"==typeof e?"utp"===t?L.createUTPOutgoingPeer(e,this,this.client.throttleGroups):L.createTCPOutgoingPeer(e,this,this.client.throttleGroups):L.createWebRTCPeer(e,this,this.client.throttleGroups),this._registerPeer(n),"string"==typeof e&&(this._queue.push(n),this._drain()),n}addWebSeed(e){if(this.destroyed)throw new Error("torrent is destroyed");let t,i;if("string"==typeof e){if(t=e,!/^https?:\/\/.+/.test(t))return this.emit("warning",new Error(`ignoring invalid web seed: ${t}`)),void this.emit("invalidPeer",t);if(this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t);i=new q(t,this)}else{if(!e||"string"!=typeof e.connId)return void this.emit("warning",new Error("addWebSeed must be passed a string or connection object with id property"));if(i=e,t=i.connId,this._peers[t])return this.emit("warning",new Error(`ignoring duplicate web seed: ${t}`)),void this.emit("invalidPeer",t)}this._debug("add web seed %s",t);const n=L.createWebSeedPeer(i,t,this,this.client.throttleGroups);this._registerPeer(n),this.emit("peer",t)}_addIncomingPeer(e){return this.destroyed?e.destroy(new Error("torrent is destroyed")):this.paused?e.destroy(new Error("torrent is paused")):(this._debug("add incoming peer %s",e.id),void this._registerPeer(e))}_registerPeer(e){e.on("download",(e=>{this.destroyed||(this.received+=e,this._downloadSpeed(e),this.client._downloadSpeed(e),this.emit("download",e),this.destroyed||this.client.emit("download",e))})),e.on("upload",(e=>{this.destroyed||(this.uploaded+=e,this._uploadSpeed(e),this.client._uploadSpeed(e),this.emit("upload",e),this.destroyed||this.client.emit("upload",e))})),this._peers[e.id]=e,this._peersLength+=1}removePeer(e){const t=e&&e.id||e;(e=this._peers[t])&&(this._debug("removePeer %s",t),delete this._peers[t],this._peersLength-=1,e.destroy(),this._drain())}select(e,t,i,n){if(this.destroyed)throw new Error("torrent is destroyed");if(e<0||tt.priority-e.priority)),this._updateSelections()}deselect(e,t,i){if(this.destroyed)throw new Error("torrent is destroyed");i=Number(i)||0,this._debug("deselect %s-%s (priority %s)",e,t,i);for(let n=0;n{if(!this.destroyed&&!this.client.dht.destroyed){if(!e.remoteAddress)return this._debug("ignoring PORT from peer with no address");if(0===i||i>65536)return this._debug("ignoring invalid PORT from peer");this._debug("port: %s (from %s)",i,t),this.client.dht.addNode({host:e.remoteAddress,port:i})}})),e.on("timeout",(()=>{this._debug("wire timeout (%s)",t),e.destroy()})),"webSeed"!==e.type&&e.setTimeout(3e4,!0),e.setKeepAlive(!0),e.use(C(this.metadata)),e.ut_metadata.on("warning",(e=>{this._debug("ut_metadata warning: %s",e.message)})),this.metadata||(e.ut_metadata.on("metadata",(e=>{this._debug("got metadata via ut_metadata"),this._onMetadata(e)})),e.ut_metadata.fetch()),"function"!=typeof B||this.private||(e.use(B()),e.ut_pex.on("peer",(e=>{this.done||(this._debug("ut_pex: got peer: %s (from %s)",e,t),this.addPeer(e))})),e.ut_pex.on("dropped",(e=>{const i=this._peers[e];i&&!i.connected&&(this._debug("ut_pex: dropped peer: %s (from %s)",e,t),this.removePeer(e))})),e.once("close",(()=>{e.ut_pex.reset()}))),e.use(y()),this.emit("wire",e,t),this.ready&&A((()=>{this._onWireWithMetadata(e)}))}_onWireWithMetadata(e){let t=null;const i=()=>{this.destroyed||e.destroyed||(this._numQueued>2*(this._numConns-this.numPeers)&&e.amInterested?e.destroy():(t=setTimeout(i,D),t.unref&&t.unref()))};let n;const r=()=>{if(e.peerPieces.buffer.length===this.bitfield.buffer.length){for(n=0;n{r(),this._update(),this._updateWireInterest(e)})),e.on("have",(()=>{r(),this._update(),this._updateWireInterest(e)})),e.lt_donthave.on("donthave",(()=>{r(),this._update(),this._updateWireInterest(e)})),e.on("have-all",(()=>{e.isSeeder=!0,e.choke(),this._update(),this._updateWireInterest(e)})),e.on("have-none",(()=>{e.isSeeder=!1,this._update(),this._updateWireInterest(e)})),e.on("allowed-fast",(e=>{this._update()})),e.once("interested",(()=>{e.unchoke()})),e.once("close",(()=>{clearTimeout(t)})),e.on("choke",(()=>{clearTimeout(t),t=setTimeout(i,D),t.unref&&t.unref()})),e.on("unchoke",(()=>{clearTimeout(t),this._update()})),e.on("request",((t,i,n,r)=>{if(n>131072)return e.destroy();this.pieces[t]||this.store.get(t,{offset:i,length:n},r)})),e.hasFast&&this._hasAllPieces()?e.haveAll():e.hasFast&&this._hasNoPieces()?e.haveNone():e.bitfield(this.bitfield),this._updateWireInterest(e),e.peerExtensions.dht&&this.client.dht&&this.client.dht.listening&&e.port(this.client.dht.address().port),"webSeed"!==e.type&&(t=setTimeout(i,D),t.unref&&t.unref()),e.isSeeder=!1,r()}_updateSelections(){this.ready&&!this.destroyed&&(A((()=>{this._gcSelections()})),this._updateInterest(),this._update())}_gcSelections(){for(let e=0;ethis._updateWireInterest(e))),e!==this._amInterested&&(this._amInterested?this.emit("interested"):this.emit("uninterested"))}_updateWireInterest(e){let t=!1;for(let i=0;i{t._updateWire(e)}),{timeout:250}):t._updateWire(e)}_updateWire(e){const t=this,i=K(e,.5);if(e.requests.length>=i)return;const n=K(e,1);if(e.peerChoking)e.hasFast&&e.peerAllowedFastSet.length>0&&!this._hasMorePieces(e.peerAllowedFastSet.length-1)&&function(){if(e.requests.length>=n)return!1;for(const i of e.peerAllowedFastSet){if(e.peerPieces.get(i)&&!t.bitfield.get(i))for(;t._request(e,i,!1)&&e.requests.length=n.from+n.offset;--s)if(e.peerPieces.get(s)&&t._request(e,s,!1))return}}();a(!1)||a(!0)}function r(t,i,n,r){return s=>s>=t&&s<=i&&!(s in n)&&e.peerPieces.get(s)&&(!r||r(s))}function s(e){let i=e;for(let n=e;n=n)return!0;const a=function(){const i=e.downloadSpeed()||1;if(i>z)return()=>!0;const n=Math.max(1,e.requests.length)*S.BLOCK_LENGTH/i;let r=10,s=0;return e=>{if(!r||t.bitfield.get(e))return!0;let a=t.pieces[e].missing;for(;s0))return r--,!1}return!0}}();for(let o=0;o({wire:e,random:Math.random()}))).sort(((e,t)=>{const i=e.wire,n=t.wire;return i.downloadSpeed()!==n.downloadSpeed()?i.downloadSpeed()-n.downloadSpeed():i.uploadSpeed()!==n.uploadSpeed()?i.uploadSpeed()-n.uploadSpeed():i.amChoking!==n.amChoking?i.amChoking?-1:1:e.random-t.random})).map((e=>e.wire));this._rechokeOptimisticTime<=0?this._rechokeOptimisticWire=null:this._rechokeOptimisticTime-=1;let t=0;for(;e.length>0&&t0){const t=e.filter((e=>e.peerInterested));if(t.length>0){const e=t[(i=t.length,Math.random()*i|0)];e.unchoke(),this._rechokeOptimisticWire=e,this._rechokeOptimisticTime=2}}var i;e.filter((e=>e!==this._rechokeOptimisticWire)).forEach((e=>e.choke()))}_hotswap(e,t){const i=e.downloadSpeed();if(i=z||(2*o>i||o>a||(r=t,a=o))}if(!r)return!1;for(s=0;s=a)return!1;const o=n.pieces[t];let c=s?o.reserveRemaining():o.reserve();if(-1===c&&i&&n._hotswap(e,t)&&(c=s?o.reserveRemaining():o.reserve()),-1===c)return!1;let l=n._reservations[t];l||(l=n._reservations[t]=[]);let u=l.indexOf(null);-1===u&&(u=l.length),l[u]=e;const p=o.chunkOffset(c),d=s?o.chunkLengthRemaining(c):o.chunkLength(c);function f(){A((()=>{n._update()}))}return e.request(t,p,d,(function i(r,a){if(n.destroyed)return;if(!n.ready)return n.once("ready",(()=>{i(r,a)}));if(l[u]===e&&(l[u]=null),o!==n.pieces[t])return f();if(r)return n._debug("error getting piece %s (offset: %s length: %s) from %s: %s",t,p,d,`${e.remoteAddress}:${e.remotePort}`,r.message),s?o.cancelRemaining(c):o.cancel(c),void f();if(n._debug("got piece %s (offset: %s length: %s) from %s",t,p,d,`${e.remoteAddress}:${e.remotePort}`),!o.set(c,a,e))return f();const h=o.flush();I(h,(e=>{n.destroyed||(e===n._hashes[t]?(n._debug("piece verified %s",t),n.store.put(t,h,(e=>{e?n._destroy(e):(n.pieces[t]=null,n._markVerified(t),n.wires.forEach((e=>{e.have(t)})),n._checkDone()&&!n.destroyed&&n.discovery.complete(),f())}))):(n.pieces[t]=new S(o.length),n.emit("warning",new Error(`Piece ${t} failed verification`)),f()))}))})),!0}_checkDone(){if(this.destroyed)return;this.files.forEach((e=>{if(!e.done){for(let t=e._startPiece;t<=e._endPiece;++t)if(!this.bitfield.get(t))return;e.done=!0,e.emit("done"),this._debug(`file done: ${e.name}`)}}));let e=!0;for(const t of this._selections){for(let i=t.from;i<=t.to;i++)if(!this.bitfield.get(i)){e=!1;break}if(!e)break}return!this.done&&e?(this.done=!0,this._debug(`torrent done: ${this.infoHash}`),this.emit("done")):this.done=!1,this._gcSelections(),e}load(e,t){if(this.destroyed)throw new Error("torrent is destroyed");if(!this.ready)return this.once("ready",(()=>{this.load(e,t)}));Array.isArray(e)||(e=[e]),t||(t=$);const i=new x(e),n=new d(this.store,this.pieceLength);M(i,n,(e=>{if(e)return t(e);this._markAllVerified(),this._checkDone(),t(null)}))}createServer(e){if("function"!=typeof P)throw new Error("node.js-only method");if(this.destroyed)throw new Error("torrent is destroyed");const t=new P(this,e);return this._servers.push(t),t}pause(){this.destroyed||(this._debug("pause"),this.paused=!0)}resume(){this.destroyed||(this._debug("resume"),this.paused=!1,this._drain())}_debug(){const e=[].slice.call(arguments);e[0]=`[${this.client?this.client._debugId:"No Client"}] [${this._debugId}] ${e[0]}`,N(...e)}_drain(){if(this._debug("_drain numConns %s maxConns %s",this._numConns,this.client.maxConns),"function"!=typeof a.connect||this.destroyed||this.paused||this._numConns>=this.client.maxConns)return;this._debug("drain (%s queued, %s/%s peers)",this._numQueued,this.numPeers,this.client.maxConns);const e=this._queue.shift();if(!e)return;this._debug("%s connect attempt to %s",e.type,e.addr);const t=l(e.addr),i={host:t[0],port:t[1]};this.client.utp&&"utpOutgoing"===e.type?e.conn=U.connect(i.port,i.host):e.conn=a.connect(i);const n=e.conn;n.once("connect",(()=>{e.onConnect()})),n.once("error",(t=>{e.destroy(t)})),e.startConnectTimeout(),n.on("close",(()=>{if(this.destroyed)return;if(e.retries>=F.length){if(this.client.utp){const t=this._addPeer(e.addr,"tcp");t&&(t.retries=0)}else this._debug("conn %s closed: will not re-add (max %s attempts)",e.addr,F.length);return}const t=F[e.retries];this._debug("conn %s closed: will re-add to queue in %sms (attempt %s)",e.addr,t,e.retries+1);const i=setTimeout((()=>{if(this.destroyed)return;const t=l(e.addr)[0],i=this.client.utp&&this._isIPv4(t)?"utp":"tcp",n=this._addPeer(e.addr,i);n&&(n.retries=e.retries+1)}),t);i.unref&&i.unref()}))}_validAddr(e){let t;try{t=l(e)}catch(e){return!1}const i=t[0],n=t[1];return n>0&&n<65535&&!("127.0.0.1"===i&&n===this.client.torrentPort)}_isIPv4(e){return/^((?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])[.]){3}(?:[0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$/.test(e)}}}).call(this)}).call(this,e("_process"),"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"../package.json":495,"./file.js":490,"./peer.js":491,"./rarity-map.js":492,"./server.js":66,"./utp.js":66,"./webconn.js":494,_process:340,"addr-to-ip-port":2,bitfield:26,"cache-chunk-store":116,"chunk-store-stream/write":132,cpus:136,debug:160,events:192,fs:66,"fs-chunk-store":274,"immediate-chunk-store":244,lt_donthave:255,"memory-chunk-store":274,multistream:308,net:66,os:66,"parse-torrent":331,path:332,pump:348,"queue-microtask":353,"random-iterate":355,"run-parallel":380,"run-parallel-limit":379,"simple-get":393,"simple-sha1":410,throughput:474,"torrent-discovery":477,"torrent-piece":478,ut_metadata:484,ut_pex:66}],494:[function(e,t,i){(function(i){(function(){const{default:n}=e("bitfield"),r=e("debug"),s=e("simple-get"),a=e("lt_donthave"),o=e("simple-sha1"),c=e("bittorrent-protocol"),l=r("webtorrent:webconn"),u=e("../package.json").version;t.exports=class extends c{constructor(e,t){super(),this.url=e,this.connId=e,this.webPeerId=o.sync(e),this._torrent=t,this._init()}_init(){this.setKeepAlive(!0),this.use(a()),this.once("handshake",((e,t)=>{if(this.destroyed)return;this.handshake(e,this.webPeerId);const i=this._torrent.pieces.length,r=new n(i);for(let e=0;e<=i;e++)r.set(e,!0);this.bitfield(r)})),this.once("interested",(()=>{l("interested"),this.unchoke()})),this.on("uninterested",(()=>{l("uninterested")})),this.on("choke",(()=>{l("choke")})),this.on("unchoke",(()=>{l("unchoke")})),this.on("bitfield",(()=>{l("bitfield")})),this.lt_donthave.on("donthave",(()=>{l("donthave")})),this.on("request",((e,t,i,n)=>{l("request pieceIndex=%d offset=%d length=%d",e,t,i),this.httpRequest(e,t,i,((t,i)=>{if(t){this.lt_donthave.donthave(e);const t=setTimeout((()=>{this.destroyed||this.have(e)}),1e4);t.unref&&t.unref()}n(t,i)}))}))}httpRequest(e,t,n,r){const a=e*this._torrent.pieceLength+t,o=a+n-1,c=this._torrent.files;let p;if(c.length<=1)p=[{url:this.url,start:a,end:o}];else{const e=c.filter((e=>e.offset<=o&&e.offset+e.length>a));if(e.length<1)return r(new Error("Could not find file corresponding to web seed range request"));p=e.map((e=>{const t=e.offset+e.length-1;return{url:this.url+("/"===this.url[this.url.length-1]?"":"/")+e.path.replace(this._torrent.path,""),fileOffsetInRange:Math.max(e.offset-a,0),start:Math.max(a-e.offset,0),end:Math.min(t,o-e.offset)}}))}let d,f=0,h=!1;p.length>1&&(d=i.alloc(n)),p.forEach((i=>{const a=i.url,o=i.start,c=i.end;l("Requesting url=%s pieceIndex=%d offset=%d length=%d start=%d end=%d",a,e,t,n,o,c);const m={url:a,method:"GET",headers:{"user-agent":`WebTorrent/${u} (https://webtorrent.io)`,range:`bytes=${o}-${c}`},timeout:6e4};function b(e,t){if(e.statusCode<200||e.statusCode>=300){if(h)return;return h=!0,r(new Error(`Unexpected HTTP status code ${e.statusCode}`))}l("Got data of length 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e=new Array(arguments.length),i=0;i1080?(P.setProps({placement:"right"}),U.setProps({placement:"right"}),q.setProps({placement:"right"})):(P.setProps({placement:"top"}),U.setProps({placement:"top"}),q.setProps({placement:"top"}))}function H(e){G();try{console.info("Attempting parse"),l=n(e),W(),l.xs&&(console.info("Magnet includes xs, attempting remote parse"),F(l.xs))}catch(t){console.warn(t),"magnet"==c?(console.info("Attempting remote parse"),F(e)):(D.error("Problem parsing input. 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