ethers.js/dist/ethers-wallet.min.js

!function(a){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=a();else if("function"==typeof define&&define.amd)define([],a);else{var b;b="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,b.Wallet=a()}}(function(){var a;return function b(a,c,d){function e(g,h){if(!c[g]){if(!a[g]){var i="function"==typeof require&&require;if(!h&&i)return i(g,!0);if(f)return f(g,!0);var j=new Error("Cannot find module '"+g+"'");throw j.code="MODULE_NOT_FOUND",j}var k=c[g]={exports:{}};a[g][0].call(k.exports,function(b){var c=a[g][1][b];return e(c?c:b)},k,k.exports,b,a,c,d)}return c[g].exports}for(var f="function"==typeof require&&require,g=0;g<d.length;g++)e(d[g]);return e}({1:[function(a,b,c){(function(c){"use strict";var d=a("scrypt-js"),e=a("./lib/contract.js"),f=a("./lib/providers.js"),g=a("./lib/secret-storage.js"),h=a("./lib/randomish.js"),i=(a("./lib/signing-key.js"),a("./lib/wallet.js")),j=a("./lib/units.js"),k=a("./lib/utils.js"),l=k.BN,m={};k.defineProperty(i,"utils",m),k.defineProperty(m,"BN",l),k.defineProperty(m,"Buffer",c),k.defineProperty(m,"sha3",k.sha3),k.defineProperty(m,"sha256",k.sha256),k.defineProperty(m,"getContractAddress",k.getContractAddress),b.exports=i,k.defineProperty(i,"etherSymbol","𝝣"),k.defineProperty(i,"formatEther",j.formatEther),k.defineProperty(i,"parseEther",j.parseEther),k.defineProperty(i,"getAddress",k.getAddress),k.defineProperty(i,"getIcapAddress",k.getIcapAddress),k.defineProperty(i,"isCrowdsaleWallet",g.isCrowdsaleWallet),k.defineProperty(i,"isValidWallet",g.isValidWallet),k.defineProperty(i,"decryptCrowdsale",function(a,b){return new i(g.decryptCrowdsale(a,b))}),k.defineProperty(i,"decrypt",function(a,b,c){if(c&&"function"!=typeof c)throw new Error("invalid callback");return new Promise(function(d,e){g.decrypt(a,b,c).then(function(a){d(new i(a))},function(a){e(a)})})}),k.defineProperty(i.prototype,"encrypt",function(a,b,c){if("function"!=typeof b||c||(c=b,b={}),c&&"function"!=typeof c)throw new Error("invalid callback");return g.encrypt(this.privateKey,a,b,c)}),k.defineProperty(i,"summonBrainWallet",function(a,b,e){if(e&&"function"!=typeof e)throw new Error("invalid callback");return new Promise(function(f,g){d(b,a,1<<18,8,1,32,function(a,b,d){a?g(a):d?f(new i(new c(d))):e&&e(b)})})}),k.defineProperty(i,"providers",f),k.defineProperty(i,"Contract",e),k.defineProperty(i,"Interface",e.Interface),k.defineProperty(i,"randomish",new h),b.exports=i}).call(this,a("buffer").Buffer)},{"./lib/contract.js":4,"./lib/providers.js":5,"./lib/randomish.js":6,"./lib/secret-storage.js":7,"./lib/signing-key.js":8,"./lib/units.js":9,"./lib/utils.js":10,"./lib/wallet.js":11,buffer:34,"scrypt-js":85}],2:[function(a,b,c){(function(c,d){"use strict";function e(a){if(a<=0||a>1024||parseInt(a)!=a)throw new Error("invalid length");var b=new d(a);return g.getRandomValues(b),b}var f=a("./utils.js"),g=c.crypto||c.msCrypto;g&&g.getRandomValues?console.log("Found strong random number source"):(console.log("WARNING: Missing strong random number source; using weak randomBytes"),g={getRandomValues:function(a){for(var b=0;b<buffer.length;b++)buffer[b]=parseInt(256*Math.random());return buffer},_weakCrypto:!0}),g._weakCrypto===!0&&f.defineProperty(e,"_weakCrypto",!0),b.exports=e}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},a("buffer").Buffer)},{"./utils.js":10,buffer:34}],3:[function(a,b,c){"use strict";try{b.exports.XMLHttpRequest=XMLHttpRequest}catch(d){console.log("Warning: XMLHttpRequest is not defined"),b.exports.XMLHttpRequest=null}},{}],4:[function(a,b,c){(function(c){"use strict";function d(a,b,c){var d=JSON.stringify(c);Object.defineProperty(a,b,{enumerable:!0,get:function(){return JSON.parse(d)}})}function e(a,b,c){if(!Array.isArray(a))throw new Error("invalid params");for(var d=[],e=0;e<a.length;e++){var f=a[e][b];if(c&&!f)f="";else if("string"!=typeof f)throw new Error("invalid abi");d.push(f)}return d}function f(a){if(!a.eq){if("number"!=typeof a)throw new Error("invalid nu
j.defineProperty(this,"address",g.address),j.defineProperty(this,"sign",function(a){var b=[];k.forEach(function(c){var e=a[c.name]||new d(0);if(e=j.hexOrBuffer(j.hexlify(e),c.name),c.length&&e.length!==c.length&&e.length>0){var f=new Error("invalid "+c.name);throw f.reason="wrong length",f.value=e,f}if(c.maxLength&&(e=j.stripZeros(e),e.length>c.maxLength)){var f=new Error("invalid "+c.name);throw f.reason="too long",f.value=e,f}b.push(e)});var c=j.sha3(f.encode(b)),e=g.signDigest(c),h=e.s,i=e.recoveryParam;return b.push(new d([27+i])),b.push(j.bnToBuffer(e.r)),b.push(j.bnToBuffer(h)),"0x"+f.encode(b).toString("hex")})}var f=a("rlp"),g=a("./contract.js"),h=a("./providers.js"),i=a("./signing-key.js"),j=a("./utils.js");a("setimmediate");var k=[{name:"nonce",maxLength:32},{name:"gasPrice",maxLength:32},{name:"gasLimit",maxLength:32},{name:"to",length:20},{name:"value",maxLength:32},{name:"data"}];j.defineProperty(e,"parseTransaction",function(a){a=j.hexOrBuffer(a,"rawTransaction");var b=f.decode(a),c=[],d={};if(k.forEach(function(a,e){d[a.name]=b[e],c.push(b[e])}),d.to&&(0===d.to.length?delete d.to:d.to=j.getAddress("0x"+d.to.toString("hex"))),["gasPrice","gasLimit","nonce","value"].forEach(function(a){d[a]&&(0===d[a].length?d[a]=new j.BN(0):d[a]=new j.BN(d[a].toString("hex"),16))}),b.length>6&&1===b[6].length&&b[7].length>=1&&b[7].length<=32&&b[8].length>=1&&b[7].length<=32){d.v=b[6][0],d.r=b[7],d.s=b[8];var e=j.sha3(f.encode(c));try{d.from=i.recover(e,d.r,d.s,d.v-27)}catch(g){}}return d}),j.defineProperty(e.prototype,"getBalance",function(a){var b=this._provider,c=this;return new Promise(function(d,e){b.getBalance(c.address,a).then(function(a){d(a)},function(a){e(a)})})}),j.defineProperty(e.prototype,"getTransactionCount",function(a){var b=this._provider,c=this;return new Promise(function(d,e){b.getTransactionCount(c.address,a).then(function(a){d(a)},function(a){e(a)})})}),j.defineProperty(e.prototype,"estimateGas",function(a){var b=this._provider;return a=j.cloneObject(a),null==a.from&&(a.from=this.address),new Promise(function(c,d){b.estimateGas(a).then(function(a){c(a)},function(a){d(a)})})}),j.defineProperty(e.prototype,"sendTransaction",function(a){var b=a.gasLimit;null==b&&(b=3e6);var c=this,d=this._provider,e=new Promise(function(b,c){return a.gasPrice?b(a.gasPrice):void d.getGasPrice().then(function(a){b(a)},function(a){c(a)})}),f=new Promise(function(b,e){return a.nonce?b(a.nonce):void d.getTransactionCount(c.address,"pending").then(function(a){b(a)},function(a){e(a)})});return new Promise(function(g,h){Promise.all([e,f]).then(function(e){var f=c.sign({to:a.to,gasLimit:b,gasPrice:e[0],nonce:e[1],value:a.value});d.sendTransaction(f).then(function(a){g(a)},function(a){h(a)})},function(a){h(a)})})}),j.defineProperty(e.prototype,"send",function(a,b,c){if(a=j.getAddress(a),j.BN.isBN(b)&&(b="0x"+j.bnToBuffer(b).toString("hex")),!j.isHexString(b))throw new Error("invalid amountWei");return c||(c={}),this.sendTransaction({to:a,gasLimit:c.gasLimit,gasPrice:c.gasPrice,nonce:c.nonce,value:b})}),j.defineProperty(e.prototype,"getContract",function(a,b){return new g(this,a,new g.Interface(b))}),j.defineProperty(e,"_Contract",g),b.exports=e}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{},a("buffer").Buffer)},{"./contract.js":4,"./providers.js":5,"./signing-key.js":8,"./utils.js":10,buffer:34,rlp:84,setimmediate:86}],12:[function(b,c,d){(function(b){"use strict";!function(e){function f(a){for(var b=[],c=0;c<a.length;c+=4)b.push(a[c]<<24|a[c+1]<<16|a[c+2]<<8|a[c+3]);return b}var g,h=null,i=null,j=null,k=function(a){if("number"==typeof a){for(var b=[],c=0;c<a;c++)b.push(0);return b}for(var c=0;c<a.length;c++)if(a[c]<0||a[c]>=256||"number"!=typeof a[c])throw new Error("invalid byte ("+a[c]+":"+c+")");if(a.slice)return a.slice(0);for(var b=[],c=0;c<a.length;c++)b.push(a[c]);return b};if("undefined"==typeof b){h=k,i=function(a,b,c,d,e){null==c&&(c=0),null==d&&(d=0),null==e&&(e=a.length);for(var f=d;f<e;f++)b[c++]=a[f]},j=function(a,b){if(null==b||"utf8"==b.toLowerCase()
if(!(this instanceof C))throw Error("AES must be instanitated with `new`");this.key=h(a),this._prepare()};C.prototype._prepare=function(){var a=m[this.key.length];if(null==a)throw new Error("invalid key size (must be 16, 24 or 32 bytes)");this._Ke=[],this._Kd=[];for(var b=0;b<=a;b++)this._Ke.push([0,0,0,0]),this._Kd.push([0,0,0,0]);for(var c,d=4*(a+1),e=this.key.length/4,g=f(this.key),b=0;b<e;b++)c=b>>2,this._Ke[c][b%4]=g[b],this._Kd[a-c][b%4]=g[b];for(var h,i=0,j=e;j<d;){if(h=g[e-1],g[0]^=o[h>>16&255]<<24^o[h>>8&255]<<16^o[255&h]<<8^o[h>>24&255]^n[i]<<24,i+=1,8!=e)for(var b=1;b<e;b++)g[b]^=g[b-1];else{for(var b=1;b<e/2;b++)g[b]^=g[b-1];h=g[e/2-1],g[e/2]^=o[255&h]^o[h>>8&255]<<8^o[h>>16&255]<<16^o[h>>24&255]<<24;for(var b=e/2+1;b<e;b++)g[b]^=g[b-1]}for(var k,l,b=0;b<e&&j<d;)k=j>>2,l=j%4,this._Ke[k][l]=g[b],this._Kd[a-k][l]=g[b++],j++}for(var k=1;k<a;k++)for(var l=0;l<4;l++)h=this._Kd[k][l],this._Kd[k][l]=y[h>>24&255]^z[h>>16&255]^A[h>>8&255]^B[255&h]},C.prototype.encrypt=function(a){if(16!=a.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var b=this._Ke.length-1,c=[0,0,0,0],d=f(a),e=0;e<4;e++)d[e]^=this._Ke[0][e];for(var g=1;g<b;g++){for(var e=0;e<4;e++)c[e]=q[d[e]>>24&255]^r[d[(e+1)%4]>>16&255]^s[d[(e+2)%4]>>8&255]^t[255&d[(e+3)%4]]^this._Ke[g][e];d=c.slice(0)}for(var i,j=h(16),e=0;e<4;e++)i=this._Ke[b][e],j[4*e]=255&(o[d[e]>>24&255]^i>>24),j[4*e+1]=255&(o[d[(e+1)%4]>>16&255]^i>>16),j[4*e+2]=255&(o[d[(e+2)%4]>>8&255]^i>>8),j[4*e+3]=255&(o[255&d[(e+3)%4]]^i);return j},C.prototype.decrypt=function(a){if(16!=a.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var b=this._Kd.length-1,c=[0,0,0,0],d=f(a),e=0;e<4;e++)d[e]^=this._Kd[0][e];for(var g=1;g<b;g++){for(var e=0;e<4;e++)c[e]=u[d[e]>>24&255]^v[d[(e+3)%4]>>16&255]^w[d[(e+2)%4]>>8&255]^x[255&d[(e+1)%4]]^this._Kd[g][e];d=c.slice(0)}for(var i,j=h(16),e=0;e<4;e++)i=this._Kd[b][e],j[4*e]=255&(p[d[e]>>24&255]^i>>24),j[4*e+1]=255&(p[d[(e+3)%4]>>16&255]^i>>16),j[4*e+2]=255&(p[d[(e+2)%4]>>8&255]^i>>8),j[4*e+3]=255&(p[255&d[(e+1)%4]]^i);return j};var D=function(a){if(!(this instanceof D))throw Error("AES must be instanitated with `new`");this.description="Electronic Code Block",this.name="ecb",this._aes=new C(a)};D.prototype.encrypt=function(a){return this._aes.encrypt(a)},D.prototype.decrypt=function(a,b){return this._aes.decrypt(a)};var E=function(a,b){if(!(this instanceof E))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Block Chaining",this.name="cbc",b){if(16!=b.length)throw new Error("invalid initialation vector size (must be 16 bytes)")}else b=h([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]);this._lastCipherblock=h(b),this._aes=new C(a)};E.prototype.encrypt=function(a){if(16!=a.length)throw new Error("invalid plaintext size (must be 16 bytes)");for(var b=h(a),c=0;c<16;c++)b[c]^=this._lastCipherblock[c];return this._lastCipherblock=this._aes.encrypt(b),this._lastCipherblock},E.prototype.decrypt=function(a){if(16!=a.length)throw new Error("invalid ciphertext size (must be 16 bytes)");for(var b=this._aes.decrypt(a),c=0;c<16;c++)b[c]^=this._lastCipherblock[c];return i(a,this._lastCipherblock),b};var F=function(a,b,c){if(!(this instanceof F))throw Error("AES must be instanitated with `new`");if(this.description="Cipher Feedback",this.name="cfb",b){if(16!=b.length)throw new Error("invalid initialation vector size (must be 16 size)")}else b=h([0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]);c||(c=1),this.segmentSize=c,this._shiftRegister=h(b),this._aes=new C(a)};F.prototype.encrypt=function(a){if(a.length%this.segmentSize!=0)throw new Error("invalid plaintext size (must be segmentSize bytes)");for(var b,c=h(a),d=0;d<c.length;d+=this.segmentSize){b=this._aes.encrypt(this._shiftRegister);for(var e=0;e<this.segmentSize;e++)c[d+e]^=b[e];i(this._shiftRegister,this._shiftRegister,0,this.segmentSize),i(c,this._shiftRegister,16-this.segmentSize,d,d+this.segmentSize)}return c},F.prototype.decrypt=function(a){if(a.length%this.segmentSize!=0)throw new Error("invalid ciphertext size (must be segmentSize bytes)");for(var b,c=h(a),d=0;d<c.le
this.transform(j,f,k,l,d,e);for(var n=0;n<d;n++){var o=h[n]*k[n]-i[n]*l[n];i[n]=h[n]*l[n]+i[n]*k[n],h[n]=o}return this.conjugate(h,i,d),this.transform(h,i,m,f,d,e),this.conjugate(m,f,d),this.normalize13b(m,d),c.negative=a.negative^b.negative,c.length=a.length+b.length,c.strip()},f.prototype.mul=function(a){var b=new f(null);return b.words=new Array(this.length+a.length),this.mulTo(a,b)},f.prototype.mulf=function(a){var b=new f(null);return b.words=new Array(this.length+a.length),l(this,a,b)},f.prototype.imul=function(a){return this.clone().mulTo(a,this)},f.prototype.imuln=function(a){d("number"==typeof a),d(a<67108864);for(var b=0,c=0;c<this.length;c++){var e=(0|this.words[c])*a,f=(67108863&e)+(67108863&b);b>>=26,b+=e/67108864|0,b+=f>>>26,this.words[c]=67108863&f}return 0!==b&&(this.words[c]=b,this.length++),this},f.prototype.muln=function(a){return this.clone().imuln(a)},f.prototype.sqr=function(){return this.mul(this)},f.prototype.isqr=function(){return this.imul(this.clone())},f.prototype.pow=function(a){var b=i(a);if(0===b.length)return new f(1);for(var c=this,d=0;d<b.length&&0===b[d];d++,c=c.sqr());if(++d<b.length)for(var e=c.sqr();d<b.length;d++,e=e.sqr())0!==b[d]&&(c=c.mul(e));return c},f.prototype.iushln=function(a){d("number"==typeof a&&a>=0);var b,c=a%26,e=(a-c)/26,f=67108863>>>26-c<<26-c;if(0!==c){var g=0;for(b=0;b<this.length;b++){var h=this.words[b]&f,i=(0|this.words[b])-h<<c;this.words[b]=i|g,g=h>>>26-c}g&&(this.words[b]=g,this.length++)}if(0!==e){for(b=this.length-1;b>=0;b--)this.words[b+e]=this.words[b];for(b=0;b<e;b++)this.words[b]=0;this.length+=e}return this.strip()},f.prototype.ishln=function(a){return d(0===this.negative),this.iushln(a)},f.prototype.iushrn=function(a,b,c){d("number"==typeof a&&a>=0);var e;e=b?(b-b%26)/26:0;var f=a%26,g=Math.min((a-f)/26,this.length),h=67108863^67108863>>>f<<f,i=c;if(e-=g,e=Math.max(0,e),i){for(var j=0;j<g;j++)i.words[j]=this.words[j];i.length=g}if(0===g);else if(this.length>g)for(this.length-=g,j=0;j<this.length;j++)this.words[j]=this.words[j+g];else this.words[0]=0,this.length=1;var k=0;for(j=this.length-1;j>=0&&(0!==k||j>=e);j--){var l=0|this.words[j];this.words[j]=k<<26-f|l>>>f,k=l&h}return i&&0!==k&&(i.words[i.length++]=k),0===this.length&&(this.words[0]=0,this.length=1),this.strip()},f.prototype.ishrn=function(a,b,c){return d(0===this.negative),this.iushrn(a,b,c)},f.prototype.shln=function(a){return this.clone().ishln(a)},f.prototype.ushln=function(a){return this.clone().iushln(a)},f.prototype.shrn=function(a){return this.clone().ishrn(a)},f.prototype.ushrn=function(a){return this.clone().iushrn(a)},f.prototype.testn=function(a){d("number"==typeof a&&a>=0);var b=a%26,c=(a-b)/26,e=1<<b;if(this.length<=c)return!1;var f=this.words[c];return!!(f&e)},f.prototype.imaskn=function(a){d("number"==typeof a&&a>=0);var b=a%26,c=(a-b)/26;if(d(0===this.negative,"imaskn works only with positive numbers"),this.length<=c)return this;if(0!==b&&c++,this.length=Math.min(c,this.length),0!==b){var e=67108863^67108863>>>b<<b;this.words[this.length-1]&=e}return this.strip()},f.prototype.maskn=function(a){return this.clone().imaskn(a)},f.prototype.iaddn=function(a){return d("number"==typeof a),d(a<67108864),a<0?this.isubn(-a):0!==this.negative?1===this.length&&(0|this.words[0])<a?(this.words[0]=a-(0|this.words[0]),this.negative=0,this):(this.negative=0,this.isubn(a),this.negative=1,this):this._iaddn(a)},f.prototype._iaddn=function(a){this.words[0]+=a;for(var b=0;b<this.length&&this.words[b]>=67108864;b++)this.words[b]-=67108864,b===this.length-1?this.words[b+1]=1:this.words[b+1]++;return this.length=Math.max(this.length,b+1),this},f.prototype.isubn=function(a){if(d("number"==typeof a),d(a<67108864),a<0)return this.iaddn(-a);if(0!==this.negative)return this.negative=0,this.iaddn(a),this.negative=1,this;if(this.words[0]-=a,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var b=0;b<this.length&&this.words[b]<0;b++)this.words[b]+=67108864,this.words[b+1]-=1;return this.strip()},f.prototype.addn=function(a){return this.clone().iaddn(a)},f.prototype.subn
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(a),this._endoWnafT1=new Array(4),this._endoWnafT2=new Array(4)}function e(a,b,c,d){k.BasePoint.call(this,a,"affine"),null===b&&null===c?(this.x=null,this.y=null,this.inf=!0):(this.x=new i(b,16),this.y=new i(c,16),d&&(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 f(a,b,c,d){k.BasePoint.call(this,a,"jacobian"),null===b&&null===c&&null===d?(this.x=this.curve.one,this.y=this.curve.one,this.z=new i(0)):(this.x=new i(b,16),this.y=new i(c,16),this.z=new i(d,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}var g=a("../curve"),h=a("../../elliptic"),i=a("bn.js"),j=a("inherits"),k=g.base,l=h.utils.assert;j(d,k),b.exports=d,d.prototype._getEndomorphism=function(a){if(this.zeroA&&this.g&&this.n&&1===this.p.modn(3)){var b,c;if(a.beta)b=new i(a.beta,16).toRed(this.red);else{var d=this._getEndoRoots(this.p);b=d[0].cmp(d[1])<0?d[0]:d[1],b=b.toRed(this.red)}if(a.lambda)c=new i(a.lambda,16);else{var e=this._getEndoRoots(this.n);0===this.g.mul(e[0]).x.cmp(this.g.x.redMul(b))?c=e[0]:(c=e[1],l(0===this.g.mul(c).x.cmp(this.g.x.redMul(b))))}var f;return f=a.basis?a.basis.map(function(a){return{a:new i(a.a,16),b:new i(a.b,16)}}):this._getEndoBasis(c),{beta:b,lambda:c,basis:f}}},d.prototype._getEndoRoots=function(a){var b=a===this.p?this.red:i.mont(a),c=new i(2).toRed(b).redInvm(),d=c.redNeg(),e=new i(3).toRed(b).redNeg().redSqrt().redMul(c),f=d.redAdd(e).fromRed(),g=d.redSub(e).fromRed();return[f,g]},d.prototype._getEndoBasis=function(a){for(var b,c,d,e,f,g,h,j,k,l=this.n.ushrn(Math.floor(this.n.bitLength()/2)),m=a,n=this.n.clone(),o=new i(1),p=new i(0),q=new i(0),r=new i(1),s=0;0!==m.cmpn(0);){var t=n.div(m);j=n.sub(t.mul(m)),k=q.sub(t.mul(o));var u=r.sub(t.mul(p));if(!d&&j.cmp(l)<0)b=h.neg(),c=o,d=j.neg(),e=k;else if(d&&2===++s)break;h=j,n=m,m=j,q=o,o=k,r=p,p=u}f=j.neg(),g=k;var v=d.sqr().add(e.sqr()),w=f.sqr().add(g.sqr());return w.cmp(v)>=0&&(f=b,g=c),d.negative&&(d=d.neg(),e=e.neg()),f.negative&&(f=f.neg(),g=g.neg()),[{a:d,b:e},{a:f,b:g}]},d.prototype._endoSplit=function(a){var b=this.endo.basis,c=b[0],d=b[1],e=d.b.mul(a).divRound(this.n),f=c.b.neg().mul(a).divRound(this.n),g=e.mul(c.a),h=f.mul(d.a),i=e.mul(c.b),j=f.mul(d.b),k=a.sub(g).sub(h),l=i.add(j).neg();return{k1:k,k2:l}},d.prototype.pointFromX=function(a,b){a=new i(a,16),a.red||(a=a.toRed(this.red));var c=a.redSqr().redMul(a).redIAdd(a.redMul(this.a)).redIAdd(this.b),d=c.redSqrt();if(0!==d.redSqr().redSub(c).cmp(this.zero))throw new Error("invalid point");var e=d.fromRed().isOdd();return(b&&!e||!b&&e)&&(d=d.redNeg()),this.point(a,d)},d.prototype.validate=function(a){if(a.inf)return!0;var b=a.x,c=a.y,d=this.a.redMul(b),e=b.redSqr().redMul(b).redIAdd(d).redIAdd(this.b);return 0===c.redSqr().redISub(e).cmpn(0)},d.prototype._endoWnafMulAdd=function(a,b,c){for(var d=this._endoWnafT1,e=this._endoWnafT2,f=0;f<a.length;f++){var g=this._endoSplit(b[f]),h=a[f],i=h._getBeta();g.k1.negative&&(g.k1.ineg(),h=h.neg(!0)),g.k2.negative&&(g.k2.ineg(),i=i.neg(!0)),d[2*f]=h,d[2*f+1]=i,e[2*f]=g.k1,e[2*f+1]=g.k2}for(var j=this._wnafMulAdd(1,d,e,2*f,c),k=0;k<2*f;k++)d[k]=null,e[k]=null;return j},j(e,k.BasePoint),d.prototype.point=function(a,b,c){return new e(this,a,b,c)},d.prototype.pointFromJSON=function(a,b){return e.fromJSON(this,a,b)},e.prototype._getBeta=function(){if(this.curve.endo){var a=this.precomputed;if(a&&a.beta)return a.beta;var b=this.curve.point(this.x.redMul(this.curve.endo.beta),this.y);if(a){var c=this.curve,d=function(a){return c.point(a.x.redMul(c.endo.beta),a.y)};a.beta=b,b.precomputed={beta:null,naf:a.naf&&{wnd:a.naf.wnd,points:a.naf.points.map(d)},doubles:a.doubles&&{step:a.doubles.step,points:a.doubles.points.map(d)}}}return b}},e.prototype.toJSON=funct
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