bitcoinjs-lib/bitcoinjs-min.js

!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.Bitcoin=e():"undefined"!=typeof global?global.Bitcoin=e():"undefined"!=typeof self&&(self.Bitcoin=e())}(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base58=require("./base58");var Crypto=require("./crypto-js/crypto");var conv=require("./convert");var util=require("./util");var address_types={prod:0,testnet:111};var p2sh_types={prod:5,testnet:196};var Address=function(bytes,version){if(arguments[0]instanceof Address){this.hash=arguments[0].hash;this.version=arguments[0].version}else if(typeof bytes==="string"){this.hash=bytes.length<=34?base58.checkDecode(bytes):bytes.length<=40?conv.hexToBytes(bytes):util.error("Bad input");this.version=version||this.hash.version||0}else{this.hash=bytes;this.version=version||0}};Address.prototype.toString=function(){return base58.checkEncode(this.hash.slice(0),this.version)};Address.prototype.getHash=function(){return conv.bytesToHex(this.hash)};Address.getVersion=function(string){return base58.decode(string)[0]};Address.validate=function(string){try{base58.checkDecode(string);return true}catch(e){return false}};Address.decodeString=function(string){return base58.checkDecode(string)};module.exports=Address},{"./base58":2,"./convert":4,"./crypto-js/crypto":5,"./util":22}],2:[function(require,module,exports){var BigInteger=require("./jsbn/jsbn");var Crypto=require("./crypto-js/crypto");var conv=require("./convert");var alphabet="123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz";var base=BigInteger.valueOf(58);var positions={};for(var i=0;i<alphabet.length;++i){positions[alphabet[i]]=i}module.exports.encode=function(input){var bi=BigInteger.fromByteArrayUnsigned(input);var chars=[];while(bi.compareTo(base)>=0){var mod=bi.mod(base);chars.push(alphabet[mod.intValue()]);bi=bi.subtract(mod).divide(base)}chars.push(alphabet[bi.intValue()]);for(var i=0;i<input.length;i++){if(input[i]==0){chars.push(alphabet[0])}else break}return chars.reverse().join("")},module.exports.encodeHex=function(input){return conv.bytesToHex(module.exports.encode(input))};module.exports.decode=function(input){var base=BigInteger.valueOf(58);var length=input.length;var num=BigInteger.valueOf(0);var leading_zero=0;var seen_other=false;for(var i=0;i<length;++i){var chr=input[i];var p=positions[chr];if(p===undefined){throw new Error("invalid base58 string: "+input)}num=num.multiply(base).add(BigInteger.valueOf(p));if(chr=="1"&&!seen_other){++leading_zero}else{seen_other=true}}var bytes=num.toByteArrayUnsigned();while(leading_zero-->0){bytes.unshift(0)}return bytes};module.exports.decodeHex=function(input){return module.exports.decode(conv.hexToBytes(input))};module.exports.checkEncode=function(input,vbyte){vbyte=vbyte||0;var front=[vbyte].concat(input);var checksum=Crypto.SHA256(Crypto.SHA256(front,{asBytes:true}),{asBytes:true}).slice(0,4);return module.exports.encode(front.concat(checksum))};module.exports.checkEncodeHex=function(input,vbyte){return conv.bytesToHex(module.exports.encode(input))};module.exports.checkDecode=function(input){var bytes=module.exports.decode(input),front=bytes.slice(0,bytes.length-4),back=bytes.slice(bytes.length-4);var checksum=Crypto.SHA256(Crypto.SHA256(front,{asBytes:true}),{asBytes:true}).slice(0,4);if(""+checksum!=""+back){throw new Error("Checksum failed")}var o=front.slice(1);o.version=front[0];return o};module.exports.checkDecodeHex=function(input){return module.exports.checkDecode(conv.hexToBytes(input))}},{"./convert":4,"./crypto-js/crypto":5,"./jsbn/jsbn":14}],3:[function(require,module,exports){var Script=require("./script"),util=require("./util"),conv=require("./convert"),key=require("./eckey"),base58=require("./base58"),Crypto=require("./crypto-js/crypto"),ECPointFp=require("./jsbn/ec").ECPointFp,sec=require("./jsbn/sec"),ecparams=sec("secp256k1");var BIP32key=function(opts){if(!opts)opts={};if(typeof opts=="string"){try{opts=BIP32key.prototype.deserialize(opts)}catch(e){opts=BIP32key.prototype.fromMasterKey(opts)}}this.vbytes=opts.vbytes;this.depth=opts.depth;this.fingerprint=opts.fingerprint;this.i=opts.i;this.chaincode=opts.chaincode;this.key=opts.key;this.type=conv.bytesToString(this.vbytes)==PRIVDERIV?"priv":"pub";return this};var PRIVDERIV=BIP32key.PRIVDERIV="ˆ­ä";var PUBDERIV=BIP32key.PUBDERIV="ˆ²";BIP32key.prototype.deserialize=function(str){var bytes=base58.decode(str);var front=bytes.slice(0,bytes.length-4),back=bytes.slice(bytes.length-4);var checksum=Crypto.SHA256(Crypto.SHA256(front,{asBytes:true}),{asBytes:true}).slice(0,4);if(""+checksum!=""+back){throw new Error("Checksum failed")}var type=conv.bytesToString(bytes.slice(0,4))==PRIVDERIV?"priv":"pub";return new BIP32key({type:type,vbytes:bytes.slice(0,4),depth:bytes[4],fingerprint:bytes.slice(5,9),i:util.bytesToNum(bytes.slice(9,13).reverse()),chaincode:bytes.slice(13,45),key:new key(type=="priv"?bytes.slice(46,78).concat([1]):bytes.slice(45,78))})};BIP32key.prototype.serialize=function(){var bytes=this.vbytes.concat([this.depth],this.fingerprint,util.numToBytes(this.i,4).reverse(),this.chaincode,this.type=="priv"?[0].concat(this.key.export("bytes").slice(0,32)):this.key);var checksum=Crypto.SHA256(Crypto.SHA256(bytes,{asBytes:true}),{asBytes:true}).slice(0,4);return base58.encode(bytes.concat(checksum))};BIP32key.prototype.ckd=function(i){var priv,pub,newkey,fingerprint,blob,I;if(this.type=="priv"){priv=this.key.export("bytes");pub=this.key.getPub()}else pub=this.key;if(i>=2147483648){if(this.priv)throw new Error("Can't do private derivation on public key!");blob=[0].concat(priv.slice(0,32),util.numToBytes(i,4).reverse())}else blob=pub.concat(util.numToBytes(i,4).reverse());I=Crypto.HMAC(Crypto.SHA512,blob,this.chaincode,{asBytes:true});if(this.type=="priv"){Ikey=Bitcoin.BigInteger.fromByteArrayUnsigned(I.slice(0,32));newkey=new key(this.key.priv.add(Ikey));newkey.compressed=true;fingerprint=util.sha256ripe160(this.key.getPub()).slice(0,4)}else{newkey=ECPointFp.decodeFrom(ecparams.getCurve(),this.key).add(new key(I.slice(0,32).concat([1])).getPubPoint()).getEncoded(true);fingerprint=util.sha256ripe160(this.key).slice(0,4)}return new BIP32key({vbytes:this.vbytes,type:this.type,depth:this.depth+1,fingerprint:fingerprint,i:i,chaincode:I.slice(32),key:newkey})};BIP32key.prototype.clone=function(){return new BIP32key(this)};BIP32key.prototype.privtopub=BIP32key.prototype.getPub=function(){if(this.type=="pub")return this.clone();return new BIP32key({vbytes:conv.stringToBytes(PUBDERIV),type:"pub",depth:this.depth,fingerprint:this.fingerprint,i:this.i,chaincode:this.chaincode,key:this.key.getPub()})};BIP32key.prototype.fromMasterKey=function(seed){var I=Bitcoin.Crypto.HMAC(Bitcoin.Crypto.SHA512,seed,"Bitcoin seed",{asBytes:true});return new BIP32key({vbytes:conv.stringToBytes(PRIVDERIV),type:"priv",depth:0,fingerprint:[0,0,0,0],i:0,chaincode:I.slice(32),key:new key(I.slice(0,32).concat([1]))})};BIP32key.prototype.getKey=function(){return this.key};module.exports=BIP32key},{"./base58":2,"./convert":4,"./crypto-js/crypto":5,"./eckey":11,"./jsbn/ec":13,"./jsbn/sec":17,"./script":20,"./util":22}],4:[function(require,module,exports){var base64map="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";String.prototype.lpad=function(padString,length){var str=this;while(str.length<length)str=padString+str;return str};module.exports.bytesToHex=function(bytes){return bytes.map(function(x){return x.toString(16).lpad("0",2)}).join("")};module.exports.hexToBytes=function(hex){return hex.match(/../g).map(function(x){return parseInt(x,16)})};module.exports.bytesToBase64=function(bytes){for(var base64=[],i=0;i<bytes.length;i+=3){var triplet=bytes[i]<<16|bytes[i+1]<<8|bytes[i+2];for(var j=0;j<4;j++){if(i*8+j*6<=bytes.length*8)base64.push(base64map.charAt(triplet>>>6*(3-j)&63));else base64.push("=")}}return base64.join("")};module.exports.base64ToBytes=function(base64){base64=base64.replace(/[^A-Z0-9+\/]/gi,"");for(var bytes=[],i=0,imod4=0;i<base64.length;imod4=++i%4){if(imod4==0)continue;bytes.push((base64map.indexOf(base64.charAt(i-1))&Math.pow(2,-2*imod4+8)-1)<<imod4*2|base64map.indexOf(base64.charAt(i))>>>6-imod4*2)}return bytes};module.exports.coerceToBytes=function(input){if(typeof input=="string")return module.exports.hexToBytes(input);return input};module.exports.binToBytes=function(bin){return bin.match(/......../g).map(function(x){return parseInt(x,2)})};module.exports.bytesToBin=function(bytes){return bytes.map(function(x){return x.toString(2).lpad("0",8)}).join("")};module.exports.bytesToString=function(bytes){return bytes.map(function(x){return String.fromCharCode(x)}).join("")};module.exports.stringToBytes=function(string){return string.split("").map(function(x){return x.charCodeAt(0)})}},{}],5:[function(require,module,exports){var Crypto=module.exports={};var util=Crypto.util={randomBytes:function(n){for(var bytes=[];n>0;n--)bytes.push(Math.floor(Math.random()*256));return bytes}};Crypto.mode={};var charenc=Crypto.charenc={};var UTF8=charenc.UTF8={stringToBytes:function(str){return Binary.stringToBytes(unescape(encodeURIComponent(str)))},bytesToString:function(bytes){return decodeURIComponent(escape(Binary.bytesToString(bytes)))}};var Binary=charenc.Binary={stringToBytes:function(str){for(var bytes=[],i=0;i<str.length;i++)bytes.push(str.charCodeAt(i));return bytes},bytesToString:function(bytes){for(var str=[],i=0;i<bytes.length;i++)str.push(String.fromCharCode(bytes[i]));return str.join("")}};module.exports.SHA256=require("./sha256");module.exports.SHA512=require("./sha512");module.exports.RIPEMD160=require("./ripemd160");module.exports.HMAC=require("./hmac")},{"./hmac":6,"./ripemd160":7,"./sha256":8,"./sha512":9}],6:[function(require,module,exports){var conv=require("../convert"),util=require("../util");module.exports=function(hasher,message,key,options){if(message.constructor==String)message=conv.stringToBytes(message);if(key.constructor==String)key=conv.stringToBytes(key);if(key.length>hasher._blocksize)key=hasher(key,{asBytes:true});var okey=key.slice(0),ikey=key.slice(0);for(var i=0;i<hasher._blocksize;i++){okey[i]^=92;ikey[i]^=54}var hmacbytes=hasher(okey.concat(hasher(ikey.concat(message),{asBytes:true})),{asBytes:true});return options&&options.asBytes?hmacbytes:options&&options.asString?conv.bytesToString(hmacbytes):conv.bytesToHex(hmacbytes)}},{"../convert":4,"../util":22}],7:[function(require,module,exports){var conv=require("../convert");var UTF8=require("./crypto").charenc.UTF8;var zl=[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,7,4,13,1,10,6,15,3,12,0,9,5,2,14,11,8,3,10,14,4,9,15,8,1,2,7,0,6,13,11,5,12,1,9,11,10,0,8,12,4,13,3,7,15,14,5,6,2,4,0,5,9,7,12,2,10,14,1,3,8,11,6,15,13];var zr=[5,14,7,0,9,2,11,4,13,6,15,8,1,10,3,12,6,11,3,7,0,13,5,10,14,15,8,12,4,9,1,2,15,5,1,3,7,14,6,9,11,8,12,2,10,0,4,13,8,6,4,1,3,11,15,0,5,12,2,13,9,7,10,14,12,15,10,4,1,5,8,7,6,2,13,14,0,3,9,11];var sl=[11,14,15,12,5,8,7,9,11,13,14,15,6,7,9,8,7,6,8,13,11,9,7,15,7,12,15,9,11,7,13,12,11,13,6,7,14,9,13,15,14,8,13,6,5,12,7,5,11,12,14,15,14,15,9,8,9,14,5,6,8,6,5,12,9,15,5,11,6,8,13,12,5,12,13,14,11,8,5,6];var sr=[8,9,9,11,13,15,15,5,7,7,8,11,14,14,12,6,9,13,15,7,12,8,9,11,7,7,12,7,6,15,13,11,9,7,15,11,8,6,6,14,12,13,5,14,13,13,7,5,15,5,8,11,14,14,6,14,6,9,12,9,12,5,15,8,8,5,12,9,12,5,14,6,8,13,6,5,15,13,11,11];var hl=[0,1518500249,1859775393,2400959708,2840853838];var hr=[1352829926,1548603684,1836072691,2053994217,0];var bytesToWords=function(bytes){var words=[];for(var i=0,b=0;i<bytes.length;i++,b+=8){words[b>>>5]|=bytes[i]<<24-b%32}return words};var wordsToBytes=function(words){var bytes=[];for(var b=0;b<words.length*32;b+=8){bytes.push(words[b>>>5]>>>24-b%32&255)}return bytes};var processBlock=function(H,M,offset){for(var i=0;i<16;i++){var offset_i=offset+i;var M_offset_i=M[offset_i];M[offset_i]=(M_offset_i<<8|M_offset_i>>>24)&16711935|(M_offset_i<<24|M_offset_i>>>8)&4278255360}var al,bl,cl,dl,el;var ar,br,cr,dr,er;ar=al=H[0];br=bl=H[1];cr=cl=H[2];dr=dl=H[3];er=el=H[4];var t;for(var i=0;i<80;i+=1){t=al+M[offset+zl[i]]|0;if(i<16){t+=f1(bl,cl,dl)+hl[0]}else if(i<32){t+=f2(bl,cl,dl)+hl[1]}else if(i<48){t+=f3(bl,cl,dl)+hl[2]}else if(i<64){t+=f4(bl,cl,dl)+hl[3]}else{t+=f5(bl,cl,dl)+hl[4]}t=t|0;t=rotl(t,sl[i]);t=t+el|0;al=el;el=dl;dl=rotl(cl,10);cl=bl;bl=t;t=ar+M[offset+zr[i]]|0;if(i<16){t+=f5(br,cr,dr)+hr[0]}else if(i<32){t+=f4(br,cr,dr)+hr[1]}else if(i<48){t+=f3(br,cr,dr)+hr[2]}else if(i<64){t+=f2(br,cr,dr)+hr[3]}else{t+=f1(br,cr,dr)+hr[4]}t=t|0;t=rotl(t,sr[i]);t=t+er|0;ar=er;er=dr;dr=rotl(cr,10);cr=br;br=t}t=H[1]+cl+dr|0;H[1]=H[2]+dl+er|0;H[2]=H[3]+el+ar|0;H[3]=H[4]+al+br|0;H[4]=H[0]+bl+cr|0;H[0]=t};function f1(x,y,z){return x^y^z}function f2(x,y,z){return x&y|~x&z}function f3(x,y,z){return(x|~y)^z}function f4(x,y,z){return x&z|y&~z}function f5(x,y,z){return x^(y|~z)}function rotl(x,n){return x<<n|x>>>32-n}module.exports=function(message,options){if(message.constructor===String){message=UTF8.stringToBytes(message)}var H=[1732584193,4023233417,2562383102,271733878,3285377520];var m=bytesToWords(message);var nBitsLeft=message.length*8;var nBitsTotal=message.length*8;m[nBitsLeft>>>5]|=128<<24-nBitsLeft%32;m[(nBitsLeft+64>>>9<<4)+14]=(nBitsTotal<<8|nBitsTotal>>>24)&16711935|(nBitsTotal<<24|nBitsTotal>>>8)&4278255360;for(var i=0;i<m.length;i+=16){processBlock(H,m,i)}for(var i=0;i<5;i++){var H_i=H[i];H[i]=(H_i<<8|H_i>>>24)&16711935|(H_i<<24|H_i>>>8)&4278255360}var digestbytes=wordsToBytes(H);return options&&options.asBytes?digestbytes:options&&options.asString?Binary.bytesToString(digestbytes):conv.bytesToHex(digestbytes)}},{"../convert":4,"./crypto":5}],8:[function(require,module,exports){var conv=require("../convert"),util=require("../util");var K=[];(function(){function isPrime(n){var sqrtN=Math.sqrt(n);for(var factor=2;factor<=sqrtN;factor++){if(!(n%factor)){return false}}return true}function getFractionalBits(n){return(n-(n|0))*4294967296|0}var n=2;var nPrime=0;while(nPrime<64){if(isPrime(n)){K[nPrime]=getFractionalBits(Math.pow(n,1/3));nPrime++}n++}})();var W=[];var processBlock=function(H,M,offset){var a=H[0];var b=H[1];var c=H[2];var d=H[3];var e=H[4];var f=H[5];var g=H[6];var h=H[7];for(var i=0;i<64;i++){if(i<16){W[i]=M[offset+i]|0}else{var gamma0x=W[i-15];var gamma0=(gamma0x<<25|gamma0x>>>7)^(gamma0x<<14|gamma0x>>>18)^gamma0x>>>3;var gamma1x=W[i-2];var gamma1=(gamma1x<<15|gamma1x>>>17)^(gamma1x<<13|gamma1x>>>19)^gamma1x>>>10;W[i]=gamma0+W[i-7]+gamma1+W[i-16]}var ch=e&f^~e&g;var maj=a&b^a&c^b&c;var sigma0=(a<<30|a>>>2)^(a<<19|a>>>13)^(a<<10|a>>>22);var sigma1=(e<<26|e>>>6)^(e<<21|e>>>11)^(e<<7|e>>>25);var t1=h+sigma1+ch+K[i]+W[i];var t2=sigma0+maj;h=g;g=f;f=e;e=d+t1|0;d=c;c=b;b=a;a=t1+t2|0}H[0]=H[0]+a|0;H[1]=H[1]+b|0;H[2]=H[2]+c|0;H[3]=H[3]+d|0;H[4]=H[4]+e|0;H[5]=H[5]+f|0;H[6]=H[6]+g|0;H[7]=H[7]+h|0};module.exports=function(message,options){var H=[1779033703,3144134277,1013904242,2773480762,1359893119,2600822924,528734635,1541459225];if(message.constructor===String){message=conv.stringToBytes(message)}var m=util.bytesToWords(message);var l=message.length*8;m[l>>5]|=128<<24-l%32;m[(l+64>>9<<4)+15]=l;for(var i=0;i<m.length;i+=16){processBlock(H,m,i)}var digestbytes=util.wordsToBytes(H);return options&&options.asBytes?digestbytes:options&&options.asString?Binary.bytesToString(digestbytes):conv.bytesToHex(digestbytes)};module.exports._blocksize=64},{"../convert":4,"../util":22}],9:[function(require,module,exports){var conv=require("../convert");var util=require("../util");var K=[[1116352408,3609767458],[1899447441,602891725],[3049323471,3964484399],[3921009573,2173295548],[961987163,4081628472],[1508970993,3053834265],[2453635748,2937671579],[2870763221,3664609560],[3624381080,2734883394],[310598401,1164996542],[607225278,1323610764],[1426881987,3590304994],[1925078388,4068182383],[2162078206,991336113],[2614888103,633803317],[3248222580,3479774868],[3835390401,2666613458],[4022224774,944711139],[264347078,2341262773],[604807628,2007800933],[770255983,1495990901],[1249150122,1856431235],[1555081692,3175218132],[1996064986,2198950837],[2554220882,3999719339],[2821834349,766784016],[2952996808,2566594879],[3210313671,3203337956],[3336571891,1034457026],[3584528711,2466948901],[113926993,3758326383],[338241895,168717936],[666307205,1188179964],[773529912,1546045734],[1294757372,1522805485],[1396182291,2643833823],[1695183700,2343527390],[1986661051,1014477480],[2177026350,1206759142],[2456956037,344077627],[2730485921,1290863460],[2820302411,3158454273],[3259730800,3505952657],[3345764771,106217008],[3516065817,3606008344],[3600352804,1432725776],[4094571909,1467031594],[275423344,851169720],[430227734,3100823752],[506948616,1363258195],[659060556,3750685593],[883997877,3785050280],[958139571,3318307427],[1322822218,3812723403],[1537002063,2003034995],[1747873779,3602036899],[1955562222,1575990012],[2024104815,1125592928],[2227730452,2716904306],[2361852424,442776044],[2428436474,593698344],[2756734187,3733110249],[3204031479,2999351573],[3329325298,3815920427],[3391569614,3928383900],[3515267271,566280711],[3940187606,3454069534],[4118630271,4000239992],[116418474,1914138554],[174292421,2731055270],[289380356,3203993006],[460393269,320620315],[685471733,587496836],[852142971,1086792851],[1017036298,365543100],[1126000580,2618297676],[1288033470,3409855158],[1501505948,4234509866],[1607167915,987167468],[1816402316,1246189591]];var W=[];for(var i=0;i<80;i++)W.push([0,0]);var processBlock=function(H,M,offset){var H0=H[0];var H1=H[1];var H2=H[2];var H3=H[3];var H4=H[4];var H5=H[5];var H6=H[6];var H7=H[7];var H0h=H0[0];var H0l=H0[1];var H1h=H1[0];var H1l=H1[1];var H2h=H2[0];var H2l=H2[1];var H3h=H3[0];var H3l=H3[1];var H4h=H4[0];var H4l=H4[1];var H5h=H5[0];var H5l=H5[1];var H6h=H6[0];var H6l=H6[1];var H7h=H7[0];var H7l=H7[1];var ah=H0h;var al=H0l;var bh=H1h;var bl=H1l;var ch=H2h;var cl=H2l;var dh=H3h;var dl=H3l;var eh=H4h;var el=H4l;var fh=H5h;var fl=H5l;var gh=H6h;var gl=H6l;var hh=H7h;var hl=H7l;for(var i=0;i<80;i++){var Wi=W[i];if(i<16){var Wih=Wi[0]=M[offset+i*2]|0;var Wil=Wi[1]=M[offset+i*2+1]|0}else{var gamma0x=W[i-15];var gamma0xh=gamma0x[0];var gamma0xl=gamma0x[1];var gamma0h=(gamma0xh>>>1|gamma0xl<<31)^(gamma0xh>>>8|gamma0xl<<24)^gamma0xh>>>7;var gamma0l=(gamma0xl>>>1|gamma0xh<<31)^(gamma0xl>>>8|gamma0xh<<24)^(gamma0xl>>>7|gamma0xh<<25);var gamma1x=W[i-2];var gamma1xh=gamma1x[0];var gamma1xl=gamma1x[1];var gamma1h=(gamma1xh>>>19|gamma1xl<<13)^(gamma1xh<<3|gamma1xl>>>29)^gamma1xh>>>6;var gamma1l=(gamma1xl>>>19|gamma1xh<<13)^(gamma1xl<<3|gamma1xh>>>29)^(gamma1xl>>>6|gamma1xh<<26);var Wi7=W[i-7];var Wi7h=Wi7[0];var Wi7l=Wi7[1];var Wi16=W[i-16];var Wi16h=Wi16[0];var Wi16l=Wi16[1];var Wil=gamma0l+Wi7l;var Wih=gamma0h+Wi7h+(Wil>>>0<gamma0l>>>0?1:0);var Wil=Wil+gamma1l;var Wih=Wih+gamma1h+(Wil>>>0<gamma1l>>>0?1:0);var Wil=Wil+Wi16l;var Wih=Wih+Wi16h+(Wil>>>0<Wi16l>>>0?1:0);Wi[0]=Wih;Wi[1]=Wil}var chh=eh&fh^~eh&gh;var chl=el&fl^~el&gl;var majh=ah&bh^ah&ch^bh&ch;var majl=al&bl^al&cl^bl&cl;var sigma0h=(ah>>>28|al<<4)^(ah<<30|al>>>2)^(ah<<25|al>>>7);var sigma0l=(al>>>28|ah<<4)^(al<<30|ah>>>2)^(al<<25|ah>>>7);var sigma1h=(eh>>>14|el<<18)^(eh>>>18|el<<14)^(eh<<23|el>>>9);var sigma1l=(el>>>14|eh<<18)^(el>>>18|eh<<14)^(el<<23|eh>>>9);var Ki=K[i];var Kih=Ki[0];var Kil=Ki[1];var t1l=hl+sigma1l;var t1h=hh+sigma1h+(t1l>>>0<hl>>>0?1:0);var t1l=t1l+chl;var t1h=t1h+chh+(t1l>>>0<chl>>>0?1:0);var t1l=t1l+Kil;var t1h=t1h+Kih+(t1l>>>0<Kil>>>0?1:0);var t1l=t1l+Wil;var t1h=t1h+Wih+(t1l>>>0<Wil>>>0?1:0);var t2l=sigma0l+majl;var t2h=sigma0h+majh+(t2l>>>0<sigma0l>>>0?1:0);hh=gh;hl=gl;gh=fh;gl=fl;fh=eh;fl=el;el=dl+t1l|0;eh=dh+t1h+(el>>>0<dl>>>0?1:0)|0;dh=ch;dl=cl;ch=bh;cl=bl;bh=ah;bl=al;al=t1l+t2l|0;ah=t1h+t2h+(al>>>0<t1l>>>0?1:0)|0}H0l=H0[1]=H0l+al;H0[0]=H0h+ah+(H0l>>>0<al>>>0?1:0);H1l=H1[1]=H1l+bl;H1[0]=H1h+bh+(H1l>>>0<bl>>>0?1:0);H2l=H2[1]=H2l+cl;H2[0]=H2h+ch+(H2l>>>0<cl>>>0?1:0);H3l=H3[1]=H3l+dl;H3[0]=H3h+dh+(H3l>>>0<dl>>>0?1:0);H4l=H4[1]=H4l+el;H4[0]=H4h+eh+(H4l>>>0<el>>>0?1:0);H5l=H5[1]=H5l+fl;H5[0]=H5h+fh+(H5l>>>0<fl>>>0?1:0);H6l=H6[1]=H6l+gl;H6[0]=H6h+gh+(H6l>>>0<gl>>>0?1:0);H7l=H7[1]=H7l+hl;H7[0]=H7h+hh+(H7l>>>0<hl>>>0?1:0);return H};module.exports=function(message,options){var H=[[1779033703,4089235720],[3144134277,2227873595],[1013904242,4271175723],[2773480762,1595750129],[1359893119,2917565137],[2600822924,725511199],[528734635,4215389547],[1541459225,327033209]];if(message.constructor===String){message=conv.stringToBytes(message)}var m=util.bytesToWords(message);var l=message.length*8;m[l>>5]|=128<<24-l%32;m[(l+64>>10<<5)+31]=l;for(var i=0;i<m.length;i+=32){processBlock(H,m,i)}var digestbytes=util.wordsToBytes(Array.prototype.concat.apply([],H));return options&&options.asBytes?digestbytes:options&&options.asString?Binary.bytesToString(digestbytes):conv.bytesToHex(digestbytes)};module.exports._blocksize=128},{"../convert":4,"../util":22}],10:[function(require,module,exports){var sec=require("./jsbn/sec");var util=require("./util");var SecureRandom=require("./jsbn/rng");var BigInteger=require("./jsbn/jsbn");var ECPointFp=require("./jsbn/ec").ECPointFp;var rng=new SecureRandom;var ecparams=sec("secp256k1");var P_OVER_FOUR=null;function implShamirsTrick(P,k,Q,l){var m=Math.max(k.bitLength(),l.bitLength());var Z=P.add2D(Q);var R=P.curve.getInfinity();for(var i=m-1;i>=0;--i){R=R.twice2D();R.z=BigInteger.ONE;if(k.testBit(i)){if(l.testBit(i)){R=R.add2D(Z)}else{R=R.add2D(P)}}else{if(l.testBit(i)){R=R.add2D(Q)}}}return R}var ECDSA={getBigRandom:function(limit){return new BigInteger(limit.bitLength(),rng).mod(limit.subtract(BigInteger.ONE)).add(BigInteger.ONE)},sign:function(hash,priv){var d=priv;var n=ecparams.getN();var e=BigInteger.fromByteArrayUnsigned(hash);do{var k=ECDSA.getBigRandom(n);var G=ecparams.getG();var Q=G.multiply(k);var r=Q.getX().toBigInteger().mod(n)}while(r.compareTo(BigInteger.ZERO)<=0);var s=k.modInverse(n).multiply(e.add(d.multiply(r))).mod(n);return ECDSA.serializeSig(r,s)},verify:function(hash,sig,pubkey){var r,s;if(util.isArray(sig)){var obj=ECDSA.parseSig(sig);r=obj.r;s=obj.s}else if("object"===typeof sig&&sig.r&&sig.s){r=sig.r;s=sig.s}else{throw new Error("Invalid value for signature")}var Q;if(pubkey instanceof ECPointFp){Q=pubkey}else if(util.isArray(pubkey)){Q=ECPointFp.decodeFrom(ecparams.getCurve(),pubkey)}else{throw new Error("Invalid format for pubkey value, must be byte array or ECPointFp")}var e=BigInteger.fromByteArrayUnsigned(hash);return ECDSA.verifyRaw(e,r,s,Q)},verifyRaw:function(e,r,s,Q){var n=ecparams.getN();var G=ecparams.getG();if(r.compareTo(BigInteger.ONE)<0||r.compareTo(n)>=0)return false;if(s.compareTo(BigInteger.ONE)<0||s.compareTo(n)>=0)return false;var c=s.modInverse(n);var u1=e.multiply(c).mod(n);var u2=r.multiply(c).mod(n);var point=G.multiply(u1).add(Q.multiply(u2));var v=point.getX().toBigInteger().mod(n);return v.equals(r)},serializeSig:function(r,s){var rBa=r.toByteArraySigned();var sBa=s.toByteArraySigned();var sequence=[];sequence.push(2);sequence.push(rBa.length);sequence=sequence.concat(rBa);sequence.push(2);sequence.push(sBa.length);sequence=sequence.concat(sBa);sequence.unshift(sequence.length);sequence.unshift(48);return sequence},parseSig:function(sig){var cursor;if(sig[0]!=48)throw new Error("Signature not a valid DERSequence");cursor=2;if(sig[cursor]!=2)throw new Error("First element in signature must be a DERInteger");var rBa=sig.slice(cursor+2,cursor+2+sig[cursor+1]);cursor+=2+sig[cursor+1];if(sig[cursor]!=2)throw new Error("Second element in signature must be a DERInteger");var sBa=sig.slice(cursor+2,cursor+2+sig[cursor+1]);cursor+=2+sig[cursor+1];var r=BigInteger.fromByteArrayUnsigned(rBa);var s=BigInteger.fromByteArrayUnsigned(sBa);return{r:r,s:s}},parseSigCompact:function(sig){if(sig.length!==65){throw new Error("Signature has the wrong length")}var i=sig[0]-27;if(i<0||i>7){throw new Error("Invalid signature type")}var n=ecparams.getN();var r=BigInteger.fromByteArrayUnsigned(sig.slice(1,33)).mod(n);var s=BigInteger.fromByteArrayUnsigned(sig.slice(33,65)).mod(n);return{r:r,s:s,i:i}},recoverPubKey:function(r,s,hash,i){i=i&3;var isYEven=i&1;var isSecondKey=i>>1;var n=ecparams.getN();var G=ecparams.getG();var curve=ecparams.getCurve();var p=curve.getQ();var a=curve.getA().toBigInteger();var b=curve.getB().toBigInteger();if(!P_OVER_FOUR){P_OVER_FOUR=p.add(BigInteger.ONE).divide(BigInteger.valueOf(4))}var x=isSecondKey?r.add(n):r;var alpha=x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(p);var beta=alpha.modPow(P_OVER_FOUR,p);var xorOdd=beta.isEven()?i%2:(i+1)%2;var y=(beta.isEven()?!isYEven:isYEven)?beta:p.subtract(beta);var R=new ECPointFp(curve,curve.fromBigInteger(x),curve.fromBigInteger(y));R.validate();var e=BigInteger.fromByteArrayUnsigned(hash);var eNeg=BigInteger.ZERO.subtract(e).mod(n);var rInv=r.modInverse(n);var Q=implShamirsTrick(R,s,G,eNeg).multiply(rInv);Q.validate();if(!ECDSA.verifyRaw(e,r,s,Q)){throw new Error("Pubkey recovery unsuccessful")}var ECKey=require("./eckey");var pubKey=ECKey();pubKey.pub=Q;return pubKey},calcPubkeyRecoveryParam:function(address,r,s,hash){for(var i=0;i<4;i++){var pubkey=ECDSA.recoverPubKey(r,s,hash,i);if(pubkey.getBitcoinAddress().toString()==address){return i}}throw new Error("Unable to find valid recovery factor")}};module.exports=ECDSA},{"./eckey":11,"./jsbn/ec":13,"./jsbn/jsbn":14,"./jsbn/rng":16,"./jsbn/sec":17,"./util":22}],11:[function(require,module,exports){var BigInteger=require("./jsbn/jsbn");var sec=require("./jsbn/sec");var base58=require("./base58");var Crypto=require("./crypto-js/crypto");var util=require("./util");var conv=require("./convert");var Address=require("./address");var ecdsa=require("./ecdsa");var ECPointFp=require("./jsbn/ec").ECPointFp;var ecparams=sec("secp256k1");var ECKey=function(input){if(!(this instanceof ECKey)){return new ECKey(input)}this.compressed=!!ECKey.compressByDefault;if(!input){var n=ecparams.getN();this.priv=ecdsa.getBigRandom(n)}else this.import(input)};ECKey.compressByDefault=false;ECKey.prototype.setCompressed=function(v){this.compressed=!!v};ECKey.prototype.getPub=function(){return this.getPubPoint().getEncoded(this.compressed)};ECKey.prototype.getPubPoint=function(){if(!this.pub)this.pub=ecparams.getG().multiply(this.priv);return this.pub};ECKey.prototype.getPubKeyHash=function(){if(this.pubKeyHash)return this.pubKeyHash;return this.pubKeyHash=util.sha256ripe160(this.getPub())};ECKey.prototype.getBitcoinAddress=function(){var hash=this.getPubKeyHash();var addr=new Address(hash);return addr};ECKey.prototype.setPub=function(pub){this.pub=ECPointFp.decodeFrom(ecparams.getCurve(),pub);this.compressed=pub[0]<4;return this};ECKey.prototype.export=function(format){var bytes=this.priv.toByteArrayUnsigned();if(this.compressed)bytes.push(1);return format==="base58"?base58.checkEncode(bytes,128):format==="bin"?conv.bytesToString(bytes):format==="bytes"?bytes:format==="hex"?conv.bytesToHex(bytes):bytes};ECKey.prototype.getExportedPrivateKey=ECKey.prototype.export;ECKey.prototype.toString=function(format){return""+this.export(format)};ECKey.prototype.sign=function(hash){return ecdsa.sign(hash,this.priv)};ECKey.prototype.verify=function(hash,sig){return ecdsa.verify(hash,sig,this.getPub())};ECKey.prototype.import=function(input){if(input instanceof ECKey){this.priv=input.priv;this.compressed=input.compressed}else if(input instanceof BigInteger){this.priv=input;this.compressed=ECKey.compressByDefault}else if(util.isArray(input)){this.priv=BigInteger.fromByteArrayUnsigned(input.slice(0,32));this.compressed=input.length==33}else if("string"==typeof input){if(input.length==51&&input[0]=="5"){this.priv=BigInteger.fromByteArrayUnsigned(base58.checkDecode(input));this.compressed=false}else if(input.length==52&&(input[0]==="K"||input[0]==="L")){this.priv=BigInteger.fromByteArrayUnsigned(base58.checkDecode(input));this.compressed=true}else if(input.length>=64){this.priv=BigInteger.fromByteArrayUnsigned(conv.hexToBytes(input.slice(0,64)));this.compressed=input.length==66}}};module.exports=ECKey},{"./address":1,"./base58":2,"./convert":4,"./crypto-js/crypto":5,"./ecdsa":10,"./jsbn/ec":13,"./jsbn/jsbn":14,"./jsbn/sec":17,"./util":22}],12:[function(require,module,exports){var rotl=function(n,b){return n<<b|n>>>32-b};var rotr=function(n,b){return n<<32-b|n>>>b};var endian=function(n){if(n.constructor==Number){return rotl(n,8)&16711935|rotl(n,24)&4278255360}for(var i=0;i<n.length;i++){n[i]=endian(n[i])}return n};module.exports={Address:require("./address"),Key:require("./eckey"),Message:require("./message"),BigInteger:require("./jsbn/jsbn"),Crypto:require("./crypto-js/crypto"),Script:require("./script"),Opcode:require("./opcode"),Transaction:require("./transaction").Transaction,Util:require("./util"),TransactionIn:require("./transaction").TransactionIn,TransactionOut:require("./transaction").TransactionOut,ECPointFp:require("./jsbn/ec").ECPointFp,Wallet:require("./wallet"),ecdsa:require("./ecdsa"),BIP32key:require("./bip32"),base58:require("./base58"),convert:require("./convert"),endian:endian}},{"./address":1,"./base58":2,"./bip32":3,"./convert":4,"./crypto-js/crypto":5,"./ecdsa":10,"./eckey":11,"./jsbn/ec":13,"./jsbn/jsbn":14,"./message":18,"./opcode":19,"./script":20,"./transaction":21,"./util":22,"./wallet":23}],13:[function(require,module,exports){var BigInteger=require("./jsbn"),sec=require("./sec");function ECFieldElementFp(q,x){this.x=x;this.q=q}function feFpEquals(other){if(other==this)return true;return this.q.equals(other.q)&&this.x.equals(other.x)}function feFpToBigInteger(){return this.x}function feFpNegate(){return new ECFieldElementFp(this.q,this.x.negate().mod(this.q))}function feFpAdd(b){return new ECFieldElementFp(this.q,this.x.add(b.toBigInteger()).mod(this.q))}function feFpSubtract(b){return new ECFieldElementFp(this.q,this.x.subtract(b.toBigInteger()).mod(this.q))}function feFpMultiply(b){return new ECFieldElementFp(this.q,this.x.multiply(b.toBigInteger()).mod(this.q))}function feFpSquare(){return new ECFieldElementFp(this.q,this.x.square().mod(this.q))}function feFpDivide(b){return new ECFieldElementFp(this.q,this.x.multiply(b.toBigInteger().modInverse(this.q)).mod(this.q))}ECFieldElementFp.prototype.equals=feFpEquals;ECFieldElementFp.prototype.toBigInteger=feFpToBigInteger;ECFieldElementFp.prototype.negate=feFpNegate;ECFieldElementFp.prototype.add=feFpAdd;ECFieldElementFp.prototype.subtract=feFpSubtract;ECFieldElementFp.prototype.multiply=feFpMultiply;ECFieldElementFp.prototype.square=feFpSquare;ECFieldElementFp.prototype.divide=feFpDivide;function ECPointFp(curve,x,y,z){this.curve=curve;this.x=x;this.y=y;if(z==null){this.z=BigInteger.ONE}else{this.z=z}this.zinv=null}function pointFpGetX(){if(this.zinv==null){this.zinv=this.z.modInverse(this.curve.q)}return this.curve.fromBigInteger(this.x.toBigInteger().multiply(this.zinv).mod(this.curve.q))}function pointFpGetY(){if(this.zinv==null){this.zinv=this.z.modInverse(this.curve.q)}return this.curve.fromBigInteger(this.y.toBigInteger().multiply(this.zinv).mod(this.curve.q))}function pointFpEquals(other){if(other==this)return true;if(this.isInfinity())return other.isInfinity();if(other.isInfinity())return this.isInfinity();var u,v;u=other.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(other.z)).mod(this.curve.q);if(!u.equals(BigInteger.ZERO))return false;v=other.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(other.z)).mod(this.curve.q);return v.equals(BigInteger.ZERO)}function pointFpIsInfinity(){if(this.x==null&&this.y==null)return true;return this.z.equals(BigInteger.ZERO)&&!this.y.toBigInteger().equals(BigInteger.ZERO)
}function pointFpNegate(){return new ECPointFp(this.curve,this.x,this.y.negate(),this.z)}function pointFpAdd(b){if(this.isInfinity())return b;if(b.isInfinity())return this;var u=b.y.toBigInteger().multiply(this.z).subtract(this.y.toBigInteger().multiply(b.z)).mod(this.curve.q);var v=b.x.toBigInteger().multiply(this.z).subtract(this.x.toBigInteger().multiply(b.z)).mod(this.curve.q);if(BigInteger.ZERO.equals(v)){if(BigInteger.ZERO.equals(u)){return this.twice()}return this.curve.getInfinity()}var THREE=new BigInteger("3");var x1=this.x.toBigInteger();var y1=this.y.toBigInteger();var x2=b.x.toBigInteger();var y2=b.y.toBigInteger();var v2=v.square();var v3=v2.multiply(v);var x1v2=x1.multiply(v2);var zu2=u.square().multiply(this.z);var x3=zu2.subtract(x1v2.shiftLeft(1)).multiply(b.z).subtract(v3).multiply(v).mod(this.curve.q);var y3=x1v2.multiply(THREE).multiply(u).subtract(y1.multiply(v3)).subtract(zu2.multiply(u)).multiply(b.z).add(u.multiply(v3)).mod(this.curve.q);var z3=v3.multiply(this.z).multiply(b.z).mod(this.curve.q);return new ECPointFp(this.curve,this.curve.fromBigInteger(x3),this.curve.fromBigInteger(y3),z3)}function pointFpTwice(){if(this.isInfinity())return this;if(this.y.toBigInteger().signum()==0)return this.curve.getInfinity();var THREE=new BigInteger("3");var x1=this.x.toBigInteger();var y1=this.y.toBigInteger();var y1z1=y1.multiply(this.z);var y1sqz1=y1z1.multiply(y1).mod(this.curve.q);var a=this.curve.a.toBigInteger();var w=x1.square().multiply(THREE);if(!BigInteger.ZERO.equals(a)){w=w.add(this.z.square().multiply(a))}w=w.mod(this.curve.q);var x3=w.square().subtract(x1.shiftLeft(3).multiply(y1sqz1)).shiftLeft(1).multiply(y1z1).mod(this.curve.q);var y3=w.multiply(THREE).multiply(x1).subtract(y1sqz1.shiftLeft(1)).shiftLeft(2).multiply(y1sqz1).subtract(w.square().multiply(w)).mod(this.curve.q);var z3=y1z1.square().multiply(y1z1).shiftLeft(3).mod(this.curve.q);return new ECPointFp(this.curve,this.curve.fromBigInteger(x3),this.curve.fromBigInteger(y3),z3)}function pointFpMultiply(k){if(this.isInfinity())return this;if(k.signum()==0)return this.curve.getInfinity();var e=k;var h=e.multiply(new BigInteger("3"));var neg=this.negate();var R=this;var i;for(i=h.bitLength()-2;i>0;--i){R=R.twice();var hBit=h.testBit(i);var eBit=e.testBit(i);if(hBit!=eBit){R=R.add(hBit?this:neg)}}return R}function pointFpMultiplyTwo(j,x,k){var i;if(j.bitLength()>k.bitLength())i=j.bitLength()-1;else i=k.bitLength()-1;var R=this.curve.getInfinity();var both=this.add(x);while(i>=0){R=R.twice();if(j.testBit(i)){if(k.testBit(i)){R=R.add(both)}else{R=R.add(this)}}else{if(k.testBit(i)){R=R.add(x)}}--i}return R}ECPointFp.prototype.getX=pointFpGetX;ECPointFp.prototype.getY=pointFpGetY;ECPointFp.prototype.equals=pointFpEquals;ECPointFp.prototype.isInfinity=pointFpIsInfinity;ECPointFp.prototype.negate=pointFpNegate;ECPointFp.prototype.add=pointFpAdd;ECPointFp.prototype.twice=pointFpTwice;ECPointFp.prototype.multiply=pointFpMultiply;ECPointFp.prototype.multiplyTwo=pointFpMultiplyTwo;function ECCurveFp(q,a,b){this.q=q;this.a=this.fromBigInteger(a);this.b=this.fromBigInteger(b);this.infinity=new ECPointFp(this,null,null)}function curveFpGetQ(){return this.q}function curveFpGetA(){return this.a}function curveFpGetB(){return this.b}function curveFpEquals(other){if(other==this)return true;return this.q.equals(other.q)&&this.a.equals(other.a)&&this.b.equals(other.b)}function curveFpGetInfinity(){return this.infinity}function curveFpFromBigInteger(x){return new ECFieldElementFp(this.q,x)}function curveFpDecodePointHex(s){switch(parseInt(s.substr(0,2),16)){case 0:return this.infinity;case 2:case 3:return null;case 4:case 6:case 7:var len=(s.length-2)/2;var xHex=s.substr(2,len);var yHex=s.substr(len+2,len);return new ECPointFp(this,this.fromBigInteger(new BigInteger(xHex,16)),this.fromBigInteger(new BigInteger(yHex,16)));default:return null}}ECCurveFp.prototype.getQ=curveFpGetQ;ECCurveFp.prototype.getA=curveFpGetA;ECCurveFp.prototype.getB=curveFpGetB;ECCurveFp.prototype.equals=curveFpEquals;ECCurveFp.prototype.getInfinity=curveFpGetInfinity;ECCurveFp.prototype.fromBigInteger=curveFpFromBigInteger;ECCurveFp.prototype.decodePointHex=curveFpDecodePointHex;function integerToBytes(i,len){var bytes=i.toByteArrayUnsigned();if(len<bytes.length){bytes=bytes.slice(bytes.length-len)}else while(len>bytes.length){bytes.unshift(0)}return bytes}ECFieldElementFp.prototype.getByteLength=function(){return Math.floor((this.toBigInteger().bitLength()+7)/8)};ECPointFp.prototype.getEncoded=function(compressed){var x=this.getX().toBigInteger();var y=this.getY().toBigInteger();var enc=integerToBytes(x,32);if(compressed){if(y.isEven()){enc.unshift(2)}else{enc.unshift(3)}}else{enc.unshift(4);enc=enc.concat(integerToBytes(y,32))}return enc};ECPointFp.decodeFrom=function(ecparams,enc){var type=enc[0];var dataLen=enc.length-1;if(type==4){var xBa=enc.slice(1,1+dataLen/2),yBa=enc.slice(1+dataLen/2,1+dataLen),x=BigInteger.fromByteArrayUnsigned(xBa),y=BigInteger.fromByteArrayUnsigned(yBa)}else{var xBa=enc.slice(1),x=BigInteger.fromByteArrayUnsigned(xBa),p=ecparams.getQ(),xCubedPlus7=x.multiply(x).multiply(x).add(new Bitcoin.BigInteger("7")).mod(p),pPlus1Over4=p.add(new Bitcoin.BigInteger("1")).divide(new Bitcoin.BigInteger("4")),y=xCubedPlus7.modPow(pPlus1Over4,p);if(y.mod(new Bitcoin.BigInteger("2")).toString()!=""+type%2){y=p.subtract(y)}}return new ECPointFp(ecparams,ecparams.fromBigInteger(x),ecparams.fromBigInteger(y))};ECPointFp.prototype.add2D=function(b){if(this.isInfinity())return b;if(b.isInfinity())return this;if(this.x.equals(b.x)){if(this.y.equals(b.y)){return this.twice()}return this.curve.getInfinity()}var x_x=b.x.subtract(this.x);var y_y=b.y.subtract(this.y);var gamma=y_y.divide(x_x);var x3=gamma.square().subtract(this.x).subtract(b.x);var y3=gamma.multiply(this.x.subtract(x3)).subtract(this.y);return new ECPointFp(this.curve,x3,y3)};ECPointFp.prototype.twice2D=function(){if(this.isInfinity())return this;if(this.y.toBigInteger().signum()==0){return this.curve.getInfinity()}var TWO=this.curve.fromBigInteger(BigInteger.valueOf(2));var THREE=this.curve.fromBigInteger(BigInteger.valueOf(3));var gamma=this.x.square().multiply(THREE).add(this.curve.a).divide(this.y.multiply(TWO));var x3=gamma.square().subtract(this.x.multiply(TWO));var y3=gamma.multiply(this.x.subtract(x3)).subtract(this.y);return new ECPointFp(this.curve,x3,y3)};ECPointFp.prototype.multiply2D=function(k){if(this.isInfinity())return this;if(k.signum()==0)return this.curve.getInfinity();var e=k;var h=e.multiply(new BigInteger("3"));var neg=this.negate();var R=this;var i;for(i=h.bitLength()-2;i>0;--i){R=R.twice();var hBit=h.testBit(i);var eBit=e.testBit(i);if(hBit!=eBit){R=R.add2D(hBit?this:neg)}}return R};ECPointFp.prototype.isOnCurve=function(){var x=this.getX().toBigInteger();var y=this.getY().toBigInteger();var a=this.curve.getA().toBigInteger();var b=this.curve.getB().toBigInteger();var n=this.curve.getQ();var lhs=y.multiply(y).mod(n);var rhs=x.multiply(x).multiply(x).add(a.multiply(x)).add(b).mod(n);return lhs.equals(rhs)};ECPointFp.prototype.toString=function(){return"("+this.getX().toBigInteger().toString()+","+this.getY().toBigInteger().toString()+")"};ECPointFp.prototype.validate=function(){var n=this.curve.getQ();if(this.isInfinity()){throw new Error("Point is at infinity.")}var x=this.getX().toBigInteger();var y=this.getY().toBigInteger();if(x.compareTo(BigInteger.ONE)<0||x.compareTo(n.subtract(BigInteger.ONE))>0){throw new Error("x coordinate out of bounds")}if(y.compareTo(BigInteger.ONE)<0||y.compareTo(n.subtract(BigInteger.ONE))>0){throw new Error("y coordinate out of bounds")}if(!this.isOnCurve()){throw new Error("Point is not on the curve.")}if(this.multiply(n).isInfinity()){throw new Error("Point is not a scalar multiple of G.")}return true};module.exports=ECCurveFp;module.exports.ECPointFp=ECPointFp},{"./jsbn":14,"./sec":17}],14:[function(require,module,exports){var dbits;var canary=0xdeadbeefcafe;var j_lm=(canary&16777215)==15715070;function BigInteger(a,b,c){if(!(this instanceof BigInteger)){return new BigInteger(a,b,c)}if(a!=null){if("number"==typeof a)this.fromNumber(a,b,c);else if(b==null&&"string"!=typeof a)this.fromString(a,256);else this.fromString(a,b)}}var proto=BigInteger.prototype;function nbi(){return new BigInteger(null)}function am1(i,x,w,j,c,n){while(--n>=0){var v=x*this[i++]+w[j]+c;c=Math.floor(v/67108864);w[j++]=v&67108863}return c}function am2(i,x,w,j,c,n){var xl=x&32767,xh=x>>15;while(--n>=0){var l=this[i]&32767;var h=this[i++]>>15;var m=xh*l+h*xl;l=xl*l+((m&32767)<<15)+w[j]+(c&1073741823);c=(l>>>30)+(m>>>15)+xh*h+(c>>>30);w[j++]=l&1073741823}return c}function am3(i,x,w,j,c,n){var xl=x&16383,xh=x>>14;while(--n>=0){var l=this[i]&16383;var h=this[i++]>>14;var m=xh*l+h*xl;l=xl*l+((m&16383)<<14)+w[j]+c;c=(l>>28)+(m>>14)+xh*h;w[j++]=l&268435455}return c}BigInteger.prototype.am=am1;dbits=26;BigInteger.prototype.DB=dbits;BigInteger.prototype.DM=(1<<dbits)-1;var DV=BigInteger.prototype.DV=1<<dbits;var BI_FP=52;BigInteger.prototype.FV=Math.pow(2,BI_FP);BigInteger.prototype.F1=BI_FP-dbits;BigInteger.prototype.F2=2*dbits-BI_FP;var BI_RM="0123456789abcdefghijklmnopqrstuvwxyz";var BI_RC=new Array;var rr,vv;rr="0".charCodeAt(0);for(vv=0;vv<=9;++vv)BI_RC[rr++]=vv;rr="a".charCodeAt(0);for(vv=10;vv<36;++vv)BI_RC[rr++]=vv;rr="A".charCodeAt(0);for(vv=10;vv<36;++vv)BI_RC[rr++]=vv;function int2char(n){return BI_RM.charAt(n)}function intAt(s,i){var c=BI_RC[s.charCodeAt(i)];return c==null?-1:c}function bnpCopyTo(r){for(var i=this.t-1;i>=0;--i)r[i]=this[i];r.t=this.t;r.s=this.s}function bnpFromInt(x){this.t=1;this.s=x<0?-1:0;if(x>0)this[0]=x;else if(x<-1)this[0]=x+DV;else this.t=0}function nbv(i){var r=nbi();r.fromInt(i);return r}function bnpFromString(s,b){var self=this;var k;if(b==16)k=4;else if(b==8)k=3;else if(b==256)k=8;else if(b==2)k=1;else if(b==32)k=5;else if(b==4)k=2;else{self.fromRadix(s,b);return}self.t=0;self.s=0;var i=s.length,mi=false,sh=0;while(--i>=0){var x=k==8?s[i]&255:intAt(s,i);if(x<0){if(s.charAt(i)=="-")mi=true;continue}mi=false;if(sh==0)self[self.t++]=x;else if(sh+k>self.DB){self[self.t-1]|=(x&(1<<self.DB-sh)-1)<<sh;self[self.t++]=x>>self.DB-sh}else self[self.t-1]|=x<<sh;sh+=k;if(sh>=self.DB)sh-=self.DB}if(k==8&&(s[0]&128)!=0){self.s=-1;if(sh>0)self[self.t-1]|=(1<<self.DB-sh)-1<<sh}self.clamp();if(mi)BigInteger.ZERO.subTo(self,self)}function bnpClamp(){var c=this.s&this.DM;while(this.t>0&&this[this.t-1]==c)--this.t}function bnToString(b){var self=this;if(self.s<0)return"-"+self.negate().toString(b);var k;if(b==16)k=4;else if(b==8)k=3;else if(b==2)k=1;else if(b==32)k=5;else if(b==4)k=2;else return self.toRadix(b);var km=(1<<k)-1,d,m=false,r="",i=self.t;var p=self.DB-i*self.DB%k;if(i-->0){if(p<self.DB&&(d=self[i]>>p)>0){m=true;r=int2char(d)}while(i>=0){if(p<k){d=(self[i]&(1<<p)-1)<<k-p;d|=self[--i]>>(p+=self.DB-k)}else{d=self[i]>>(p-=k)&km;if(p<=0){p+=self.DB;--i}}if(d>0)m=true;if(m)r+=int2char(d)}}return m?r:"0"}function bnNegate(){var r=nbi();BigInteger.ZERO.subTo(this,r);return r}function bnAbs(){return this.s<0?this.negate():this}function bnCompareTo(a){var r=this.s-a.s;if(r!=0)return r;var i=this.t;r=i-a.t;if(r!=0)return this.s<0?-r:r;while(--i>=0)if((r=this[i]-a[i])!=0)return r;return 0}function nbits(x){var r=1,t;if((t=x>>>16)!=0){x=t;r+=16}if((t=x>>8)!=0){x=t;r+=8}if((t=x>>4)!=0){x=t;r+=4}if((t=x>>2)!=0){x=t;r+=2}if((t=x>>1)!=0){x=t;r+=1}return r}function bnBitLength(){if(this.t<=0)return 0;return this.DB*(this.t-1)+nbits(this[this.t-1]^this.s&this.DM)}function bnpDLShiftTo(n,r){var i;for(i=this.t-1;i>=0;--i)r[i+n]=this[i];for(i=n-1;i>=0;--i)r[i]=0;r.t=this.t+n;r.s=this.s}function bnpDRShiftTo(n,r){for(var i=n;i<this.t;++i)r[i-n]=this[i];r.t=Math.max(this.t-n,0);r.s=this.s}function bnpLShiftTo(n,r){var self=this;var bs=n%self.DB;var cbs=self.DB-bs;var bm=(1<<cbs)-1;var ds=Math.floor(n/self.DB),c=self.s<<bs&self.DM,i;for(i=self.t-1;i>=0;--i){r[i+ds+1]=self[i]>>cbs|c;c=(self[i]&bm)<<bs}for(i=ds-1;i>=0;--i)r[i]=0;r[ds]=c;r.t=self.t+ds+1;r.s=self.s;r.clamp()}function bnpRShiftTo(n,r){var self=this;r.s=self.s;var ds=Math.floor(n/self.DB);if(ds>=self.t){r.t=0;return}var bs=n%self.DB;var cbs=self.DB-bs;var bm=(1<<bs)-1;r[0]=self[ds]>>bs;for(var i=ds+1;i<self.t;++i){r[i-ds-1]|=(self[i]&bm)<<cbs;r[i-ds]=self[i]>>bs}if(bs>0)r[self.t-ds-1]|=(self.s&bm)<<cbs;r.t=self.t-ds;r.clamp()}function bnpSubTo(a,r){var self=this;var i=0,c=0,m=Math.min(a.t,self.t);while(i<m){c+=self[i]-a[i];r[i++]=c&self.DM;c>>=self.DB}if(a.t<self.t){c-=a.s;while(i<self.t){c+=self[i];r[i++]=c&self.DM;c>>=self.DB}c+=self.s}else{c+=self.s;while(i<a.t){c-=a[i];r[i++]=c&self.DM;c>>=self.DB}c-=a.s}r.s=c<0?-1:0;if(c<-1)r[i++]=self.DV+c;else if(c>0)r[i++]=c;r.t=i;r.clamp()}function bnpMultiplyTo(a,r){var x=this.abs(),y=a.abs();var i=x.t;r.t=i+y.t;while(--i>=0)r[i]=0;for(i=0;i<y.t;++i)r[i+x.t]=x.am(0,y[i],r,i,0,x.t);r.s=0;r.clamp();if(this.s!=a.s)BigInteger.ZERO.subTo(r,r)}function bnpSquareTo(r){var x=this.abs();var i=r.t=2*x.t;while(--i>=0)r[i]=0;for(i=0;i<x.t-1;++i){var c=x.am(i,x[i],r,2*i,0,1);if((r[i+x.t]+=x.am(i+1,2*x[i],r,2*i+1,c,x.t-i-1))>=x.DV){r[i+x.t]-=x.DV;r[i+x.t+1]=1}}if(r.t>0)r[r.t-1]+=x.am(i,x[i],r,2*i,0,1);r.s=0;r.clamp()}function bnpDivRemTo(m,q,r){var self=this;var pm=m.abs();if(pm.t<=0)return;var pt=self.abs();if(pt.t<pm.t){if(q!=null)q.fromInt(0);if(r!=null)self.copyTo(r);return}if(r==null)r=nbi();var y=nbi(),ts=self.s,ms=m.s;var nsh=self.DB-nbits(pm[pm.t-1]);if(nsh>0){pm.lShiftTo(nsh,y);pt.lShiftTo(nsh,r)}else{pm.copyTo(y);pt.copyTo(r)}var ys=y.t;var y0=y[ys-1];if(y0==0)return;var yt=y0*(1<<self.F1)+(ys>1?y[ys-2]>>self.F2:0);var d1=self.FV/yt,d2=(1<<self.F1)/yt,e=1<<self.F2;var i=r.t,j=i-ys,t=q==null?nbi():q;y.dlShiftTo(j,t);if(r.compareTo(t)>=0){r[r.t++]=1;r.subTo(t,r)}BigInteger.ONE.dlShiftTo(ys,t);t.subTo(y,y);while(y.t<ys)y[y.t++]=0;while(--j>=0){var qd=r[--i]==y0?self.DM:Math.floor(r[i]*d1+(r[i-1]+e)*d2);if((r[i]+=y.am(0,qd,r,j,0,ys))<qd){y.dlShiftTo(j,t);r.subTo(t,r);while(r[i]<--qd)r.subTo(t,r)}}if(q!=null){r.drShiftTo(ys,q);if(ts!=ms)BigInteger.ZERO.subTo(q,q)}r.t=ys;r.clamp();if(nsh>0)r.rShiftTo(nsh,r);if(ts<0)BigInteger.ZERO.subTo(r,r)}function bnMod(a){var r=nbi();this.abs().divRemTo(a,null,r);if(this.s<0&&r.compareTo(BigInteger.ZERO)>0)a.subTo(r,r);return r}function Classic(m){this.m=m}function cConvert(x){if(x.s<0||x.compareTo(this.m)>=0)return x.mod(this.m);else return x}function cRevert(x){return x}function cReduce(x){x.divRemTo(this.m,null,x)}function cMulTo(x,y,r){x.multiplyTo(y,r);this.reduce(r)}function cSqrTo(x,r){x.squareTo(r);this.reduce(r)}Classic.prototype.convert=cConvert;Classic.prototype.revert=cRevert;Classic.prototype.reduce=cReduce;Classic.prototype.mulTo=cMulTo;Classic.prototype.sqrTo=cSqrTo;function bnpInvDigit(){if(this.t<1)return 0;var x=this[0];if((x&1)==0)return 0;var y=x&3;y=y*(2-(x&15)*y)&15;y=y*(2-(x&255)*y)&255;y=y*(2-((x&65535)*y&65535))&65535;y=y*(2-x*y%this.DV)%this.DV;return y>0?this.DV-y:-y}function Montgomery(m){this.m=m;this.mp=m.invDigit();this.mpl=this.mp&32767;this.mph=this.mp>>15;this.um=(1<<m.DB-15)-1;this.mt2=2*m.t}function montConvert(x){var r=nbi();x.abs().dlShiftTo(this.m.t,r);r.divRemTo(this.m,null,r);if(x.s<0&&r.compareTo(BigInteger.ZERO)>0)this.m.subTo(r,r);return r}function montRevert(x){var r=nbi();x.copyTo(r);this.reduce(r);return r}function montReduce(x){while(x.t<=this.mt2)x[x.t++]=0;for(var i=0;i<this.m.t;++i){var j=x[i]&32767;var u0=j*this.mpl+((j*this.mph+(x[i]>>15)*this.mpl&this.um)<<15)&x.DM;j=i+this.m.t;x[j]+=this.m.am(0,u0,x,i,0,this.m.t);while(x[j]>=x.DV){x[j]-=x.DV;x[++j]++}}x.clamp();x.drShiftTo(this.m.t,x);if(x.compareTo(this.m)>=0)x.subTo(this.m,x)}function montSqrTo(x,r){x.squareTo(r);this.reduce(r)}function montMulTo(x,y,r){x.multiplyTo(y,r);this.reduce(r)}Montgomery.prototype.convert=montConvert;Montgomery.prototype.revert=montRevert;Montgomery.prototype.reduce=montReduce;Montgomery.prototype.mulTo=montMulTo;Montgomery.prototype.sqrTo=montSqrTo;function bnpIsEven(){return(this.t>0?this[0]&1:this.s)==0}function bnpExp(e,z){if(e>4294967295||e<1)return BigInteger.ONE;var r=nbi(),r2=nbi(),g=z.convert(this),i=nbits(e)-1;g.copyTo(r);while(--i>=0){z.sqrTo(r,r2);if((e&1<<i)>0)z.mulTo(r2,g,r);else{var t=r;r=r2;r2=t}}return z.revert(r)}function bnModPowInt(e,m){var z;if(e<256||m.isEven())z=new Classic(m);else z=new Montgomery(m);return this.exp(e,z)}proto.copyTo=bnpCopyTo;proto.fromInt=bnpFromInt;proto.fromString=bnpFromString;proto.clamp=bnpClamp;proto.dlShiftTo=bnpDLShiftTo;proto.drShiftTo=bnpDRShiftTo;proto.lShiftTo=bnpLShiftTo;proto.rShiftTo=bnpRShiftTo;proto.subTo=bnpSubTo;proto.multiplyTo=bnpMultiplyTo;proto.squareTo=bnpSquareTo;proto.divRemTo=bnpDivRemTo;proto.invDigit=bnpInvDigit;proto.isEven=bnpIsEven;proto.exp=bnpExp;proto.toString=bnToString;proto.negate=bnNegate;proto.abs=bnAbs;proto.compareTo=bnCompareTo;proto.bitLength=bnBitLength;proto.mod=bnMod;proto.modPowInt=bnModPowInt;function nbi(){return new BigInteger(null)}function bnClone(){var r=nbi();this.copyTo(r);return r}function bnIntValue(){if(this.s<0){if(this.t==1)return this[0]-this.DV;else if(this.t==0)return-1}else if(this.t==1)return this[0];else if(this.t==0)return 0;return(this[1]&(1<<32-this.DB)-1)<<this.DB|this[0]}function bnByteValue(){return this.t==0?this.s:this[0]<<24>>24}function bnShortValue(){return this.t==0?this.s:this[0]<<16>>16}function bnpChunkSize(r){return Math.floor(Math.LN2*this.DB/Math.log(r))}function bnSigNum(){if(this.s<0)return-1;else if(this.t<=0||this.t==1&&this[0]<=0)return 0;else return 1}function bnpToRadix(b){if(b==null)b=10;if(this.signum()==0||b<2||b>36)return"0";var cs=this.chunkSize(b);var a=Math.pow(b,cs);var d=nbv(a),y=nbi(),z=nbi(),r="";this.divRemTo(d,y,z);while(y.signum()>0){r=(a+z.intValue()).toString(b).substr(1)+r;y.divRemTo(d,y,z)}return z.intValue().toString(b)+r}function bnpFromRadix(s,b){var self=this;self.fromInt(0);if(b==null)b=10;var cs=self.chunkSize(b);var d=Math.pow(b,cs),mi=false,j=0,w=0;for(var i=0;i<s.length;++i){var x=intAt(s,i);if(x<0){if(s.charAt(i)=="-"&&self.signum()==0)mi=true;continue}w=b*w+x;if(++j>=cs){self.dMultiply(d);self.dAddOffset(w,0);j=0;w=0}}if(j>0){self.dMultiply(Math.pow(b,j));self.dAddOffset(w,0)}if(mi)BigInteger.ZERO.subTo(self,self)}function bnpFromNumber(a,b,c){var self=this;if("number"==typeof b){if(a<2)self.fromInt(1);else{self.fromNumber(a,c);if(!self.testBit(a-1))self.bitwiseTo(BigInteger.ONE.shiftLeft(a-1),op_or,self);if(self.isEven())self.dAddOffset(1,0);while(!self.isProbablePrime(b)){self.dAddOffset(2,0);if(self.bitLength()>a)self.subTo(BigInteger.ONE.shiftLeft(a-1),self)}}}else{var x=new Array,t=a&7;x.length=(a>>3)+1;b.nextBytes(x);if(t>0)x[0]&=(1<<t)-1;else x[0]=0;self.fromString(x,256)}}function bnToByteArray(){var self=this;var i=self.t,r=new Array;r[0]=self.s;var p=self.DB-i*self.DB%8,d,k=0;if(i-->0){if(p<self.DB&&(d=self[i]>>p)!=(self.s&self.DM)>>p)r[k++]=d|self.s<<self.DB-p;while(i>=0){if(p<8){d=(self[i]&(1<<p)-1)<<8-p;d|=self[--i]>>(p+=self.DB-8)}else{d=self[i]>>(p-=8)&255;if(p<=0){p+=self.DB;--i}}if((d&128)!=0)d|=-256;if(k===0&&(self.s&128)!=(d&128))++k;if(k>0||d!=self.s)r[k++]=d}}return r}function bnEquals(a){return this.compareTo(a)==0}function bnMin(a){return this.compareTo(a)<0?this:a}function bnMax(a){return this.compareTo(a)>0?this:a}function bnpBitwiseTo(a,op,r){var self=this;var i,f,m=Math.min(a.t,self.t);for(i=0;i<m;++i)r[i]=op(self[i],a[i]);if(a.t<self.t){f=a.s&self.DM;for(i=m;i<self.t;++i)r[i]=op(self[i],f);r.t=self.t}else{f=self.s&self.DM;for(i=m;i<a.t;++i)r[i]=op(f,a[i]);r.t=a.t}r.s=op(self.s,a.s);r.clamp()}function op_and(x,y){return x&y}function bnAnd(a){var r=nbi();this.bitwiseTo(a,op_and,r);return r}function op_or(x,y){return x|y}function bnOr(a){var r=nbi();this.bitwiseTo(a,op_or,r);return r}function op_xor(x,y){return x^y}function bnXor(a){var r=nbi();this.bitwiseTo(a,op_xor,r);return r}function op_andnot(x,y){return x&~y}function bnAndNot(a){var r=nbi();this.bitwiseTo(a,op_andnot,r);return r}function bnNot(){var r=nbi();for(var i=0;i<this.t;++i)r[i]=this.DM&~this[i];r.t=this.t;r.s=~this.s;return r}function bnShiftLeft(n){var r=nbi();if(n<0)this.rShiftTo(-n,r);else this.lShiftTo(n,r);return r}function bnShiftRight(n){var r=nbi();if(n<0)this.lShiftTo(-n,r);else this.rShiftTo(n,r);return r}function lbit(x){if(x==0)return-1;var r=0;if((x&65535)==0){x>>=16;r+=16}if((x&255)==0){x>>=8;r+=8}if((x&15)==0){x>>=4;r+=4}if((x&3)==0){x>>=2;r+=2}if((x&1)==0)++r;return r}function bnGetLowestSetBit(){for(var i=0;i<this.t;++i)if(this[i]!=0)return i*this.DB+lbit(this[i]);if(this.s<0)return this.t*this.DB;return-1}function cbit(x){var r=0;while(x!=0){x&=x-1;++r}return r}function bnBitCount(){var r=0,x=this.s&this.DM;for(var i=0;i<this.t;++i)r+=cbit(this[i]^x);return r}function bnTestBit(n){var j=Math.floor(n/this.DB);if(j>=this.t)return this.s!=0;return(this[j]&1<<n%this.DB)!=0}function bnpChangeBit(n,op){var r=BigInteger.ONE.shiftLeft(n);this.bitwiseTo(r,op,r);return r}function bnSetBit(n){return this.changeBit(n,op_or)}function bnClearBit(n){return this.changeBit(n,op_andnot)}function bnFlipBit(n){return this.changeBit(n,op_xor)}function bnpAddTo(a,r){var self=this;var i=0,c=0,m=Math.min(a.t,self.t);while(i<m){c+=self[i]+a[i];r[i++]=c&self.DM;c>>=self.DB}if(a.t<self.t){c+=a.s;while(i<self.t){c+=self[i];r[i++]=c&self.DM;c>>=self.DB}c+=self.s}else{c+=self.s;while(i<a.t){c+=a[i];r[i++]=c&self.DM;c>>=self.DB}c+=a.s}r.s=c<0?-1:0;if(c>0)r[i++]=c;else if(c<-1)r[i++]=self.DV+c;r.t=i;r.clamp()}function bnAdd(a){var r=nbi();this.addTo(a,r);return r}function bnSubtract(a){var r=nbi();this.subTo(a,r);return r}function bnMultiply(a){var r=nbi();this.multiplyTo(a,r);return r}function bnSquare(){var r=nbi();this.squareTo(r);return r}function bnDivide(a){var r=nbi();this.divRemTo(a,r,null);return r}function bnRemainder(a){var r=nbi();this.divRemTo(a,null,r);return r}function bnDivideAndRemainder(a){var q=nbi(),r=nbi();this.divRemTo(a,q,r);return new Array(q,r)}function bnpDMultiply(n){this[this.t]=this.am(0,n-1,this,0,0,this.t);++this.t;this.clamp()}function bnpDAddOffset(n,w){if(n==0)return;while(this.t<=w)this[this.t++]=0;this[w]+=n;while(this[w]>=this.DV){this[w]-=this.DV;if(++w>=this.t)this[this.t++]=0;++this[w]}}function NullExp(){}function nNop(x){return x}function nMulTo(x,y,r){x.multiplyTo(y,r)}function nSqrTo(x,r){x.squareTo(r)}NullExp.prototype.convert=nNop;NullExp.prototype.revert=nNop;NullExp.prototype.mulTo=nMulTo;NullExp.prototype.sqrTo=nSqrTo;function bnPow(e){return this.exp(e,new NullExp)}function bnpMultiplyLowerTo(a,n,r){var i=Math.min(this.t+a.t,n);r.s=0;r.t=i;while(i>0)r[--i]=0;var j;for(j=r.t-this.t;i<j;++i)r[i+this.t]=this.am(0,a[i],r,i,0,this.t);for(j=Math.min(a.t,n);i<j;++i)this.am(0,a[i],r,i,0,n-i);r.clamp()}function bnpMultiplyUpperTo(a,n,r){--n;var i=r.t=this.t+a.t-n;r.s=0;while(--i>=0)r[i]=0;for(i=Math.max(n-this.t,0);i<a.t;++i)r[this.t+i-n]=this.am(n-i,a[i],r,0,0,this.t+i-n);r.clamp();r.drShiftTo(1,r)}function Barrett(m){this.r2=nbi();this.q3=nbi();BigInteger.ONE.dlShiftTo(2*m.t,this.r2);this.mu=this.r2.divide(m);this.m=m}function barrettConvert(x){if(x.s<0||x.t>2*this.m.t)return x.mod(this.m);else if(x.compareTo(this.m)<0)return x;else{var r=nbi();x.copyTo(r);this.reduce(r);return r}}function barrettRevert(x){return x}function barrettReduce(x){var self=this;x.drShiftTo(self.m.t-1,self.r2);if(x.t>self.m.t+1){x.t=self.m.t+1;x.clamp()}self.mu.multiplyUpperTo(self.r2,self.m.t+1,self.q3);self.m.multiplyLowerTo(self.q3,self.m.t+1,self.r2);while(x.compareTo(self.r2)<0)x.dAddOffset(1,self.m.t+1);x.subTo(self.r2,x);while(x.compareTo(self.m)>=0)x.subTo(self.m,x)}function barrettSqrTo(x,r){x.squareTo(r);this.reduce(r)}function barrettMulTo(x,y,r){x.multiplyTo(y,r);this.reduce(r)}Barrett.prototype.convert=barrettConvert;Barrett.prototype.revert=barrettRevert;Barrett.prototype.reduce=barrettReduce;Barrett.prototype.mulTo=barrettMulTo;Barrett.prototype.sqrTo=barrettSqrTo;function bnModPow(e,m){var i=e.bitLength(),k,r=nbv(1),z;if(i<=0)return r;else if(i<18)k=1;else if(i<48)k=3;else if(i<144)k=4;else if(i<768)k=5;else k=6;if(i<8)z=new Classic(m);else if(m.isEven())z=new Barrett(m);else z=new Montgomery(m);var g=new Array,n=3,k1=k-1,km=(1<<k)-1;g[1]=z.convert(this);if(k>1){var g2=nbi();z.sqrTo(g[1],g2);while(n<=km){g[n]=nbi();z.mulTo(g2,g[n-2],g[n]);n+=2}}var j=e.t-1,w,is1=true,r2=nbi(),t;i=nbits(e[j])-1;while(j>=0){if(i>=k1)w=e[j]>>i-k1&km;else{w=(e[j]&(1<<i+1)-1)<<k1-i;if(j>0)w|=e[j-1]>>this.DB+i-k1}n=k;while((w&1)==0){w>>=1;--n}if((i-=n)<0){i+=this.DB;--j}if(is1){g[w].copyTo(r);is1=false}else{while(n>1){z.sqrTo(r,r2);z.sqrTo(r2,r);n-=2}if(n>0)z.sqrTo(r,r2);else{t=r;r=r2;r2=t}z.mulTo(r2,g[w],r)}while(j>=0&&(e[j]&1<<i)==0){z.sqrTo(r,r2);t=r;r=r2;r2=t;if(--i<0){i=this.DB-1;--j}}}return z.revert(r)}function bnGCD(a){var x=this.s<0?this.negate():this.clone();var y=a.s<0?a.negate():a.clone();if(x.compareTo(y)<0){var t=x;x=y;y=t}var i=x.getLowestSetBit(),g=y.getLowestSetBit();if(g<0)return x;if(i<g)g=i;if(g>0){x.rShiftTo(g,x);y.rShiftTo(g,y)}while(x.signum()>0){if((i=x.getLowestSetBit())>0)x.rShiftTo(i,x);if((i=y.getLowestSetBit())>0)y.rShiftTo(i,y);if(x.compareTo(y)>=0){x.subTo(y,x);x.rShiftTo(1,x)}else{y.subTo(x,y);y.rShiftTo(1,y)}}if(g>0)y.lShiftTo(g,y);return y}function bnpModInt(n){if(n<=0)return 0;var d=this.DV%n,r=this.s<0?n-1:0;if(this.t>0)if(d==0)r=this[0]%n;else for(var i=this.t-1;i>=0;--i)r=(d*r+this[i])%n;return r}function bnModInverse(m){var ac=m.isEven();if(this.isEven()&&ac||m.signum()==0)return BigInteger.ZERO;var u=m.clone(),v=this.clone();var a=nbv(1),b=nbv(0),c=nbv(0),d=nbv(1);while(u.signum()!=0){while(u.isEven()){u.rShiftTo(1,u);if(ac){if(!a.isEven()||!b.isEven()){a.addTo(this,a);b.subTo(m,b)}a.rShiftTo(1,a)}else if(!b.isEven())b.subTo(m,b);b.rShiftTo(1,b)}while(v.isEven()){v.rShiftTo(1,v);if(ac){if(!c.isEven()||!d.isEven()){c.addTo(this,c);d.subTo(m,d)}c.rShiftTo(1,c)}else if(!d.isEven())d.subTo(m,d);d.rShiftTo(1,d)}if(u.compareTo(v)>=0){u.subTo(v,u);if(ac)a.subTo(c,a);b.subTo(d,b)}else{v.subTo(u,v);if(ac)c.subTo(a,c);d.subTo(b,d)}}if(v.compareTo(BigInteger.ONE)!=0)return BigInteger.ZERO;if(d.compareTo(m)>=0)return d.subtract(m);if(d.signum()<0)d.addTo(m,d);else return d;if(d.signum()<0)return d.add(m);else return d}proto.chunkSize=bnpChunkSize;proto.toRadix=bnpToRadix;proto.fromRadix=bnpFromRadix;proto.fromNumber=bnpFromNumber;proto.bitwiseTo=bnpBitwiseTo;proto.changeBit=bnpChangeBit;proto.addTo=bnpAddTo;proto.dMultiply=bnpDMultiply;proto.dAddOffset=bnpDAddOffset;proto.multiplyLowerTo=bnpMultiplyLowerTo;proto.multiplyUpperTo=bnpMultiplyUpperTo;proto.modInt=bnpModInt;proto.clone=bnClone;proto.intValue=bnIntValue;proto.byteValue=bnByteValue;proto.shortValue=bnShortValue;proto.signum=bnSigNum;proto.toByteArray=bnToByteArray;proto.equals=bnEquals;proto.min=bnMin;proto.max=bnMax;proto.and=bnAnd;proto.or=bnOr;proto.xor=bnXor;proto.andNot=bnAndNot;proto.not=bnNot;proto.shiftLeft=bnShiftLeft;proto.shiftRight=bnShiftRight;proto.getLowestSetBit=bnGetLowestSetBit;proto.bitCount=bnBitCount;proto.testBit=bnTestBit;proto.setBit=bnSetBit;proto.clearBit=bnClearBit;proto.flipBit=bnFlipBit;proto.add=bnAdd;proto.subtract=bnSubtract;proto.multiply=bnMultiply;proto.divide=bnDivide;proto.remainder=bnRemainder;proto.divideAndRemainder=bnDivideAndRemainder;proto.modPow=bnModPow;proto.modInverse=bnModInverse;proto.pow=bnPow;proto.gcd=bnGCD;proto.square=bnSquare;BigInteger.ZERO=nbv(0);BigInteger.ONE=nbv(1);BigInteger.valueOf=nbv;BigInteger.fromByteArrayUnsigned=function(ba){if(!ba.length){return new BigInteger.valueOf(0)}else if(ba[0]&128){return new BigInteger([0].concat(ba))}else{return new BigInteger(ba)}};BigInteger.fromByteArraySigned=function(ba){if(ba[0]&128){ba[0]&=127;return BigInteger.fromByteArrayUnsigned(ba).negate()}else{return BigInteger.fromByteArrayUnsigned(ba)}};BigInteger.prototype.toByteArrayUnsigned=function(){var ba=this.abs().toByteArray();if(!ba.length){return ba}if(ba[0]===0){ba=ba.slice(1)}for(var i=0;i<ba.length;++i){ba[i]=ba[i]<0?ba[i]+256:ba[i]}return ba};BigInteger.prototype.toByteArraySigned=function(){var val=this.toByteArrayUnsigned();var neg=this.s<0;if(val[0]&128){val.unshift(neg?128:0)}else if(neg){val[0]|=128}return val};module.exports=BigInteger},{}],15:[function(require,module,exports){function Arcfour(){this.i=0;this.j=0;this.S=new Array}function ARC4init(key){var i,j,t;for(i=0;i<256;++i)this.S[i]=i;j=0;for(i=0;i<256;++i){j=j+this.S[i]+key[i%key.length]&255;t=this.S[i];this.S[i]=this.S[j];this.S[j]=t}this.i=0;this.j=0}function ARC4next(){var t;this.i=this.i+1&255;this.j=this.j+this.S[this.i]&255;t=this.S[this.i];this.S[this.i]=this.S[this.j];this.S[this.j]=t;return this.S[t+this.S[this.i]&255]}Arcfour.prototype.init=ARC4init;Arcfour.prototype.next=ARC4next;module.exports=Arcfour},{}],16:[function(require,module,exports){var Arcfour=require("./prng4");function prng_newstate(){return new Arcfour}var rng_psize=256;var rng_state;var rng_pool;var rng_pptr;function rng_seed_int(x){rng_pool[rng_pptr++]^=x&255;rng_pool[rng_pptr++]^=x>>8&255;rng_pool[rng_pptr++]^=x>>16&255;rng_pool[rng_pptr++]^=x>>24&255;if(rng_pptr>=rng_psize)rng_pptr-=rng_psize}function rng_seed_time(){rng_seed_int((new Date).getTime())}if(rng_pool==null){rng_pool=new Array;rng_pptr=0;var t;while(rng_pptr<rng_psize){t=Math.floor(65536*Math.random());rng_pool[rng_pptr++]=t>>>8;rng_pool[rng_pptr++]=t&255}rng_pptr=0;rng_seed_time()}function rng_get_byte(){if(rng_state==null){rng_seed_time();rng_state=prng_newstate();rng_state.init(rng_pool);for(rng_pptr=0;rng_pptr<rng_pool.length;++rng_pptr)rng_pool[rng_pptr]=0;rng_pptr=0}return rng_state.next()}function rng_get_bytes(ba){var i;for(i=0;i<ba.length;++i)ba[i]=rng_get_byte()}function SecureRandom(){}SecureRandom.prototype.nextBytes=rng_get_bytes;module.exports=SecureRandom},{"./prng4":15}],17:[function(require,module,exports){var ECCurveFp=require("./ec");var BigInteger=require("./jsbn");function X9ECParameters(curve,g,n,h){this.curve=curve;this.g=g;this.n=n;this.h=h}function x9getCurve(){return this.curve}function x9getG(){return this.g}function x9getN(){return this.n}function x9getH(){return this.h}X9ECParameters.prototype.getCurve=x9getCurve;X9ECParameters.prototype.getG=x9getG;X9ECParameters.prototype.getN=x9getN;X9ECParameters.prototype.getH=x9getH;function fromHex(s){return new BigInteger(s,16)}function secp128r1(){var p=fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFF");var a=fromHex("FFFFFFFDFFFFFFFFFFFFFFFFFFFFFFFC");var b=fromHex("E87579C11079F43DD824993C2CEE5ED3");var n=fromHex("FFFFFFFE0000000075A30D1B9038A115");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"161FF7528B899B2D0C28607CA52C5B86"+"CF5AC8395BAFEB13C02DA292DDED7A83");return new X9ECParameters(curve,G,n,h)}function secp160k1(){var p=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFAC73");var a=BigInteger.ZERO;var b=fromHex("7");var n=fromHex("0100000000000000000001B8FA16DFAB9ACA16B6B3");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"3B4C382CE37AA192A4019E763036F4F5DD4D7EBB"+"938CF935318FDCED6BC28286531733C3F03C4FEE");return new X9ECParameters(curve,G,n,h)}function secp160r1(){var p=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFF");var a=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFC");var b=fromHex("1C97BEFC54BD7A8B65ACF89F81D4D4ADC565FA45");var n=fromHex("0100000000000000000001F4C8F927AED3CA752257");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"4A96B5688EF573284664698968C38BB913CBFC82"+"23A628553168947D59DCC912042351377AC5FB32");return new X9ECParameters(curve,G,n,h)}function secp192k1(){var p=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFEE37");var a=BigInteger.ZERO;var b=fromHex("3");var n=fromHex("FFFFFFFFFFFFFFFFFFFFFFFE26F2FC170F69466A74DEFD8D");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"DB4FF10EC057E9AE26B07D0280B7F4341DA5D1B1EAE06C7D"+"9B2F2F6D9C5628A7844163D015BE86344082AA88D95E2F9D");return new X9ECParameters(curve,G,n,h)}function secp192r1(){var p=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFF");
var a=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFC");var b=fromHex("64210519E59C80E70FA7E9AB72243049FEB8DEECC146B9B1");var n=fromHex("FFFFFFFFFFFFFFFFFFFFFFFF99DEF836146BC9B1B4D22831");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"188DA80EB03090F67CBF20EB43A18800F4FF0AFD82FF1012"+"07192B95FFC8DA78631011ED6B24CDD573F977A11E794811");return new X9ECParameters(curve,G,n,h)}function secp224r1(){var p=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000000000000000001");var a=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFFFFFE");var b=fromHex("B4050A850C04B3ABF54132565044B0B7D7BFD8BA270B39432355FFB4");var n=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFF16A2E0B8F03E13DD29455C5C2A3D");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"B70E0CBD6BB4BF7F321390B94A03C1D356C21122343280D6115C1D21"+"BD376388B5F723FB4C22DFE6CD4375A05A07476444D5819985007E34");return new X9ECParameters(curve,G,n,h)}function secp256k1(){var p=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFC2F");var a=BigInteger.ZERO;var b=fromHex("7");var n=fromHex("FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"79BE667EF9DCBBAC55A06295CE870B07029BFCDB2DCE28D959F2815B16F81798"+"483ADA7726A3C4655DA4FBFC0E1108A8FD17B448A68554199C47D08FFB10D4B8");return new X9ECParameters(curve,G,n,h)}function secp256r1(){var p=fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFF");var a=fromHex("FFFFFFFF00000001000000000000000000000000FFFFFFFFFFFFFFFFFFFFFFFC");var b=fromHex("5AC635D8AA3A93E7B3EBBD55769886BC651D06B0CC53B0F63BCE3C3E27D2604B");var n=fromHex("FFFFFFFF00000000FFFFFFFFFFFFFFFFBCE6FAADA7179E84F3B9CAC2FC632551");var h=BigInteger.ONE;var curve=new ECCurveFp(p,a,b);var G=curve.decodePointHex("04"+"6B17D1F2E12C4247F8BCE6E563A440F277037D812DEB33A0F4A13945D898C296"+"4FE342E2FE1A7F9B8EE7EB4A7C0F9E162BCE33576B315ECECBB6406837BF51F5");return new X9ECParameters(curve,G,n,h)}function getSECCurveByName(name){if(name=="secp128r1")return secp128r1();if(name=="secp160k1")return secp160k1();if(name=="secp160r1")return secp160r1();if(name=="secp192k1")return secp192k1();if(name=="secp192r1")return secp192r1();if(name=="secp224r1")return secp224r1();if(name=="secp256k1")return secp256k1();if(name=="secp256r1")return secp256r1();return null}module.exports=getSECCurveByName},{"./ec":13,"./jsbn":14}],18:[function(require,module,exports){var Crypto=require("./crypto-js/crypto");var ecdsa=require("./ecdsa");var conv=require("./convert");var util=require("./util");var Message={};Message.magicPrefix="Bitcoin Signed Message:\n";Message.makeMagicMessage=function(message){var magicBytes=conv.stringToBytes(Message.magicPrefix);var messageBytes=conv.stringToBytes(message);var buffer=[];buffer=buffer.concat(util.numToVarInt(magicBytes.length));buffer=buffer.concat(magicBytes);buffer=buffer.concat(util.numToVarInt(messageBytes.length));buffer=buffer.concat(messageBytes);return buffer};Message.getHash=function(message){var buffer=Message.makeMagicMessage(message);return Crypto.SHA256(Crypto.SHA256(buffer,{asBytes:true}),{asBytes:true})};Message.signMessage=function(key,message,compressed){var hash=Message.getHash(message);var sig=key.sign(hash);var obj=ecdsa.parseSig(sig);var address=key.getBitcoinAddress().toString();var i=ecdsa.calcPubkeyRecoveryParam(address,obj.r,obj.s,hash);i+=27;if(compressed)i+=4;var rBa=obj.r.toByteArrayUnsigned();var sBa=obj.s.toByteArrayUnsigned();while(rBa.length<32)rBa.unshift(0);while(sBa.length<32)sBa.unshift(0);sig=[i].concat(rBa).concat(sBa);return conv.bytesToHex(sig)};Message.verifyMessage=function(address,sig,message){sig=conv.hexToBytes(sig);sig=ecdsa.parseSigCompact(sig);var hash=Message.getHash(message);var isCompressed=!!(sig.i&4);var pubKey=ecdsa.recoverPubKey(sig.r,sig.s,hash,sig.i);pubKey.setCompressed(isCompressed);var expectedAddress=pubKey.getBitcoinAddress().toString();return address===expectedAddress};module.exports=Message},{"./convert":4,"./crypto-js/crypto":5,"./ecdsa":10,"./util":22}],19:[function(require,module,exports){var Opcode=function(num){this.code=num};Opcode.prototype.toString=function(){return Opcode.reverseMap[this.code]};Opcode.map={OP_0:0,OP_FALSE:0,OP_PUSHDATA1:76,OP_PUSHDATA2:77,OP_PUSHDATA4:78,OP_1NEGATE:79,OP_RESERVED:80,OP_1:81,OP_TRUE:81,OP_2:82,OP_3:83,OP_4:84,OP_5:85,OP_6:86,OP_7:87,OP_8:88,OP_9:89,OP_10:90,OP_11:91,OP_12:92,OP_13:93,OP_14:94,OP_15:95,OP_16:96,OP_NOP:97,OP_VER:98,OP_IF:99,OP_NOTIF:100,OP_VERIF:101,OP_VERNOTIF:102,OP_ELSE:103,OP_ENDIF:104,OP_VERIFY:105,OP_RETURN:106,OP_TOALTSTACK:107,OP_FROMALTSTACK:108,OP_2DROP:109,OP_2DUP:110,OP_3DUP:111,OP_2OVER:112,OP_2ROT:113,OP_2SWAP:114,OP_IFDUP:115,OP_DEPTH:116,OP_DROP:117,OP_DUP:118,OP_NIP:119,OP_OVER:120,OP_PICK:121,OP_ROLL:122,OP_ROT:123,OP_SWAP:124,OP_TUCK:125,OP_CAT:126,OP_SUBSTR:127,OP_LEFT:128,OP_RIGHT:129,OP_SIZE:130,OP_INVERT:131,OP_AND:132,OP_OR:133,OP_XOR:134,OP_EQUAL:135,OP_EQUALVERIFY:136,OP_RESERVED1:137,OP_RESERVED2:138,OP_1ADD:139,OP_1SUB:140,OP_2MUL:141,OP_2DIV:142,OP_NEGATE:143,OP_ABS:144,OP_NOT:145,OP_0NOTEQUAL:146,OP_ADD:147,OP_SUB:148,OP_MUL:149,OP_DIV:150,OP_MOD:151,OP_LSHIFT:152,OP_RSHIFT:153,OP_BOOLAND:154,OP_BOOLOR:155,OP_NUMEQUAL:156,OP_NUMEQUALVERIFY:157,OP_NUMNOTEQUAL:158,OP_LESSTHAN:159,OP_GREATERTHAN:160,OP_LESSTHANOREQUAL:161,OP_GREATERTHANOREQUAL:162,OP_MIN:163,OP_MAX:164,OP_WITHIN:165,OP_RIPEMD160:166,OP_SHA1:167,OP_SHA256:168,OP_HASH160:169,OP_HASH256:170,OP_CODESEPARATOR:171,OP_CHECKSIG:172,OP_CHECKSIGVERIFY:173,OP_CHECKMULTISIG:174,OP_CHECKMULTISIGVERIFY:175,OP_NOP1:176,OP_NOP2:177,OP_NOP3:178,OP_NOP4:179,OP_NOP5:180,OP_NOP6:181,OP_NOP7:182,OP_NOP8:183,OP_NOP9:184,OP_NOP10:185,OP_PUBKEYHASH:253,OP_PUBKEY:254,OP_INVALIDOPCODE:255};Opcode.reverseMap=[];for(var i in Opcode.map){Opcode.reverseMap[Opcode.map[i]]=i}module.exports=Opcode},{}],20:[function(require,module,exports){var Opcode=require("./opcode");var util=require("./util");var conv=require("./convert");var Address=require("./address");var Script=function(data){if(!data){this.buffer=[]}else if("string"==typeof data){this.buffer=conv.hexToBytes(data)}else if(util.isArray(data)){this.buffer=data}else if(data instanceof Script){this.buffer=data.buffer}else{throw new Error("Invalid script")}this.parse()};Script.fromPubKey=function(str){var script=new Script;var s=str.split(" ");for(var i in s){if(Opcode.map.hasOwnProperty(s[i])){script.writeOp(Opcode.map[s[i]])}else{script.writeBytes(conv.hexToBytes(s[i]))}}return script};Script.fromScriptSig=function(str){var script=new Script;var s=str.split(" ");for(var i in s){if(Opcode.map.hasOwnProperty(s[i])){script.writeOp(Opcode.map[s[i]])}else{script.writeBytes(conv.hexToBytes(s[i]))}}return script};Script.prototype.parse=function(){var self=this;this.chunks=[];var i=0;function readChunk(n){self.chunks.push(self.buffer.slice(i,i+n));i+=n}while(i<this.buffer.length){var opcode=this.buffer[i++];if(opcode>=240){opcode=opcode<<8|this.buffer[i++]}var len;if(opcode>0&&opcode<Opcode.map.OP_PUSHDATA1){readChunk(opcode)}else if(opcode==Opcode.map.OP_PUSHDATA1){len=this.buffer[i++];readChunk(len)}else if(opcode==Opcode.map.OP_PUSHDATA2){len=this.buffer[i++]<<8|this.buffer[i++];readChunk(len)}else if(opcode==Opcode.map.OP_PUSHDATA4){len=this.buffer[i++]<<24|this.buffer[i++]<<16|this.buffer[i++]<<8|this.buffer[i++];readChunk(len)}else{this.chunks.push(opcode)}}};Script.prototype.getOutType=function(){if(this.chunks[this.chunks.length-1]==Opcode.map.OP_EQUAL&&this.chunks[0]==Opcode.map.OP_HASH160&&this.chunks.length==3){return"P2SH"}else if(this.chunks.length==5&&this.chunks[0]==Opcode.map.OP_DUP&&this.chunks[1]==Opcode.map.OP_HASH160&&this.chunks[3]==Opcode.map.OP_EQUALVERIFY&&this.chunks[4]==Opcode.map.OP_CHECKSIG){return"Pubkey"}else{return"Strange"}};Script.prototype.toScriptHash=function(){var outType=this.getOutType();return outType=="Pubkey"?this.chunks[2]:outType=="P2SH"?util.sha256ripe160(this.buffer):util.sha256ripe160(this.buffer)};Script.prototype.toAddress=function(){var outType=this.getOutType();return outType=="Pubkey"?new Address(this.chunks[2]):outType=="P2SH"?new Address(this.chunks[1],5):new Address(this.chunks[1],5)};Script.prototype.getInType=function(){if(this.chunks.length==1&&util.isArray(this.chunks[0])){return"Pubkey"}else if(this.chunks.length==2&&util.isArray(this.chunks[0])&&util.isArray(this.chunks[1])){return"Address"}else if(this.chunks[0]==Opcode.map.OP_0&&this.chunks.slice(1).reduce(function(t,chunk,i){return t&&util.isArray(chunk)&&(chunk[0]==48||i==this.chunks.length-1)},true)){return"Multisig"}else{return"Strange"}};Script.prototype.simpleInPubKey=function(){switch(this.getInType()){case"Address":return this.chunks[1];case"Pubkey":throw new Error("Script does not contain pubkey.");default:throw new Error("Encountered non-standard scriptSig")}};Script.prototype.simpleInHash=function(){return util.sha256ripe160(this.simpleInPubKey())};Script.prototype.simpleInPubKeyHash=Script.prototype.simpleInHash;Script.prototype.writeOp=function(opcode){this.buffer.push(opcode);this.chunks.push(opcode)};Script.prototype.writeBytes=function(data){if(data.length<Opcode.map.OP_PUSHDATA1){this.buffer.push(data.length)}else if(data.length<=255){this.buffer.push(Opcode.map.OP_PUSHDATA1);this.buffer.push(data.length)}else if(data.length<=65535){this.buffer.push(Opcode.map.OP_PUSHDATA2);this.buffer.push(data.length&255);this.buffer.push(data.length>>>8&255)}else{this.buffer.push(Opcode.map.OP_PUSHDATA4);this.buffer.push(data.length&255);this.buffer.push(data.length>>>8&255);this.buffer.push(data.length>>>16&255);this.buffer.push(data.length>>>24&255)}this.buffer=this.buffer.concat(data);this.chunks.push(data)};Script.createOutputScript=function(address){var script=new Script;address=new Address(address);if(!address.version){script.writeOp(Opcode.map.OP_DUP);script.writeOp(Opcode.map.OP_HASH160);script.writeBytes(address.hash);script.writeOp(Opcode.map.OP_EQUALVERIFY);script.writeOp(Opcode.map.OP_CHECKSIG)}else{script.writeOp(Opcode.map.OP_HASH160);script.writeBytes(address.hash);script.writeOp(Opcode.map.OP_EQUAL)}return script};Script.prototype.extractPubkeys=function(){return this.chunks.filter(function(chunk){return chunk[0]==4&&chunk.length==65||chunk[0]<4&&chunk.length==33})};Script.createMultiSigOutputScript=function(m,pubkeys){var script=new Script;pubkeys=pubkeys.sort();script.writeOp(Opcode.map.OP_1+m-1);for(var i=0;i<pubkeys.length;++i){script.writeBytes(pubkeys[i])}script.writeOp(Opcode.map.OP_1+pubkeys.length-1);script.writeOp(Opcode.map.OP_CHECKMULTISIG);return script};Script.createInputScript=function(signature,pubKey){var script=new Script;script.writeBytes(signature);script.writeBytes(pubKey);return script};Script.createMultiSigInputScript=function(signatures,script){script=new Script(script);var k=script.chunks[0][0];if(signatures.length<k)return false;var inScript=new Script;inScript.writeOp(Opcode.map.OP_0);signatures.map(function(sig){inScript.writeBytes(sig)});inScript.writeBytes(script.buffer);return inScript};Script.prototype.clone=function(){return new Script(this.buffer)};module.exports=Script},{"./address":1,"./convert":4,"./opcode":19,"./util":22}],21:[function(require,module,exports){var BigInteger=require("./jsbn/jsbn");var Script=require("./script");var util=require("./util");var conv=require("./convert");var Crypto=require("./crypto-js/crypto");var Wallet=require("./wallet");var ECKey=require("./eckey");var ECDSA=require("./ecdsa");var Address=require("./address");var Transaction=function(doc){this.version=1;this.lock_time=0;this.ins=[];this.outs=[];this.timestamp=null;this.block=null;if(doc){if(typeof doc=="string"||util.isArray(doc)){doc=Transaction.deserialize(doc)}if(doc.hash)this.hash=doc.hash;if(doc.version)this.version=doc.version;if(doc.lock_time)this.lock_time=doc.lock_time;if(doc.ins&&doc.ins.length){for(var i=0;i<doc.ins.length;i++){this.addInput(new TransactionIn(doc.ins[i]))}}if(doc.outs&&doc.outs.length){for(var i=0;i<doc.outs.length;i++){this.addOutput(new TransactionOut(doc.outs[i]))}}if(doc.timestamp)this.timestamp=doc.timestamp;if(doc.block)this.block=doc.block}};Transaction.objectify=function(txs){var objs=[];for(var i=0;i<txs.length;i++){objs.push(new Transaction(txs[i]))}return objs};Transaction.prototype.addInput=function(tx,outIndex){if(arguments[0]instanceof TransactionIn){this.ins.push(arguments[0])}else if(arguments[0].length>65){var args=arguments[0].split(":");return this.addInput(args[0],args[1])}else{this.ins.push(new TransactionIn({outpoint:{hash:tx.hash||tx,index:outIndex},script:new Script,sequence:4294967295}))}};Transaction.prototype.addOutput=function(address,value){if(arguments[0]instanceof TransactionOut){this.outs.push(arguments[0]);return}if(arguments[0].indexOf(":")>=0){var args=arguments[0].split(":");address=args[0];value=parseInt(args[1])}this.outs.push(new TransactionOut({value:value,script:Script.createOutputScript(address)}))};Transaction.prototype.serialize=function(){var buffer=[];buffer=buffer.concat(util.numToBytes(parseInt(this.version),4));buffer=buffer.concat(util.numToVarInt(this.ins.length));for(var i=0;i<this.ins.length;i++){var txin=this.ins[i];buffer=buffer.concat(conv.hexToBytes(txin.outpoint.hash).reverse());buffer=buffer.concat(util.numToBytes(parseInt(txin.outpoint.index),4));var scriptBytes=txin.script.buffer;buffer=buffer.concat(util.numToVarInt(scriptBytes.length));buffer=buffer.concat(scriptBytes);buffer=buffer.concat(util.numToBytes(parseInt(txin.sequence),4))}buffer=buffer.concat(util.numToVarInt(this.outs.length));for(var i=0;i<this.outs.length;i++){var txout=this.outs[i];buffer=buffer.concat(util.numToBytes(txout.value,8));var scriptBytes=txout.script.buffer;buffer=buffer.concat(util.numToVarInt(scriptBytes.length));buffer=buffer.concat(scriptBytes)}buffer=buffer.concat(util.numToBytes(parseInt(this.lock_time),4));return buffer};Transaction.prototype.serializeHex=function(){return conv.bytesToHex(this.serialize())};var OP_CODESEPARATOR=171;var SIGHASH_ALL=1;var SIGHASH_NONE=2;var SIGHASH_SINGLE=3;var SIGHASH_ANYONECANPAY=80;Transaction.prototype.hashTransactionForSignature=function(connectedScript,inIndex,hashType){var txTmp=this.clone();for(var i=0;i<txTmp.ins.length;i++){txTmp.ins[i].script=new Script}txTmp.ins[inIndex].script=connectedScript;if((hashType&31)==SIGHASH_NONE){txTmp.outs=[];for(var i=0;i<txTmp.ins.length;i++)if(i!=inIndex)txTmp.ins[i].sequence=0}else if((hashType&31)==SIGHASH_SINGLE){}if(hashType&SIGHASH_ANYONECANPAY){txTmp.ins=[txTmp.ins[inIndex]]}var buffer=txTmp.serialize();buffer=buffer.concat(util.numToBytes(parseInt(hashType),4));var hash1=Crypto.SHA256(buffer,{asBytes:true});return Crypto.SHA256(hash1,{asBytes:true})};Transaction.prototype.getHash=function(){var buffer=this.serialize();return Crypto.SHA256(Crypto.SHA256(buffer,{asBytes:true}),{asBytes:true}).reverse()};Transaction.prototype.clone=function(){var newTx=new Transaction;newTx.version=this.version;newTx.lock_time=this.lock_time;for(var i=0;i<this.ins.length;i++){var txin=this.ins[i].clone();newTx.addInput(txin)}for(var i=0;i<this.outs.length;i++){var txout=this.outs[i].clone();newTx.addOutput(txout)}return newTx};Transaction.prototype.analyze=function(wallet){if(!(wallet instanceof Wallet))return null;var allFromMe=true,allToMe=true,firstRecvHash=null,firstMeRecvHash=null,firstSendHash=null;for(var i=this.outs.length-1;i>=0;i--){var txout=this.outs[i];var hash=txout.script.simpleOutPubKeyHash();if(!wallet.hasHash(hash)){allToMe=false}else{firstMeRecvHash=hash}firstRecvHash=hash}for(var i=this.ins.length-1;i>=0;i--){var txin=this.ins[i];firstSendHash=txin.script.simpleInPubKeyHash();if(!wallet.hasHash(firstSendHash)){allFromMe=false;break}}var impact=this.calcImpact(wallet);var analysis={};analysis.impact=impact;if(impact.sign>0&&impact.value>0){analysis.type="recv";analysis.addr=new Address(firstMeRecvHash)}else if(allFromMe&&allToMe){analysis.type="self"}else if(allFromMe){analysis.type="sent";analysis.addr=new Address(firstRecvHash)}else{analysis.type="other"}return analysis};Transaction.prototype.getDescription=function(wallet){var analysis=this.analyze(wallet);if(!analysis)return"";switch(analysis.type){case"recv":return"Received with "+analysis.addr;break;case"sent":return"Payment to "+analysis.addr;break;case"self":return"Payment to yourself";break;case"other":default:return""}};Transaction.prototype.getTotalOutValue=function(){return this.outs.reduce(function(t,o){return t+o.value},0)};Transaction.prototype.getTotalValue=Transaction.prototype.getTotalOutValue;Transaction.prototype.calcImpact=function(wallet){if(!(wallet instanceof Wallet))return 0;var valueOut=this.outs.filter(function(o){return wallet.hasHash(conv.bytesToHex(o.script.simpleOutPubKeyHash()))}).reduce(function(t,o){return t+o.value},0);var valueIn=this.ins.filter(function(i){return wallet.hasHash(conv.bytesToHex(i.script.simpleInPubKeyHash()))&&wallet.txIndex[i.outpoint.hash]}).reduce(function(t,i){return t+wallet.txIndex[i.outpoint.hash].outs[i.outpoint.index].value},0);if(valueOut>valueIn){return{sign:1,value:valueOut-valueIn}}else{return{sign:-1,value:valueIn-valueOut}}};Transaction.deserialize=function(buffer){if(typeof buffer=="string"){buffer=conv.hexToBytes(buffer)}var pos=0;var readAsInt=function(bytes){if(bytes==0)return 0;pos++;return buffer[pos-1]+readAsInt(bytes-1)*256};var readVarInt=function(){pos++;if(buffer[pos-1]<253){return buffer[pos-1]}return readAsInt(buffer[pos-1]-251)};var readBytes=function(bytes){pos+=bytes;return buffer.slice(pos-bytes,pos)};var readVarString=function(){var size=readVarInt();return readBytes(size)};var obj={ins:[],outs:[]};obj.version=readAsInt(4);var ins=readVarInt();for(var i=0;i<ins;i++){obj.ins.push({outpoint:{hash:conv.bytesToHex(readBytes(32).reverse()),index:readAsInt(4)},script:new Script(readVarString()),sequence:readAsInt(4)})}var outs=readVarInt();for(var i=0;i<outs;i++){obj.outs.push({value:util.bytesToNum(readBytes(8)),script:new Script(readVarString())})}obj.locktime=readAsInt(4);return new Transaction(obj)};Transaction.prototype.sign=function(index,key,type){type=type||SIGHASH_ALL;key=new ECKey(key);var pub=key.getPub(),hash160=util.sha256ripe160(pub),script=Script.createOutputScript(new Address(hash160)),hash=this.hashTransactionForSignature(script,index,type),sig=key.sign(hash).concat([type]);this.ins[index].script=Script.createInputScript(sig,pub)};Transaction.prototype.signWithKeys=function(keys,outputs,type){type=type||SIGHASH_ALL;var addrdata=keys.map(function(key){key=new ECKey(key);return{key:key,address:key.getBitcoinAddress().toString()}});var hmap={};for(var o in outputs){hmap[outputs[o].output]=outputs[o]}for(var i=0;i<this.ins.length;i++){var outpoint=this.ins[i].outpoint.hash+":"+this.ins[i].outpoint.index,histItem=hmap[outpoint];if(!histItem)continue;var thisInputAddrdata=addrdata.filter(function(a){return a.address==histItem.address});if(thisInputAddrdata.length==0)continue;this.sign(i,thisInputAddrdata[0].key)}};Transaction.prototype.p2shsign=function(index,script,key,type){script=new Script(script);key=new ECKey(key);type=type||SIGHASH_ALL;var hash=this.hashTransactionForSignature(script,index,type),sig=key.sign(hash).concat([type]);return sig};Transaction.prototype.multisign=Transaction.prototype.p2shsign;Transaction.prototype.applyMultisigs=function(index,script,sigs,type){this.ins[index].script=Script.createMultiSigInputScript(sigs,script)};Transaction.prototype.validateSig=function(index,script,sig,pub){script=new Script(script);var hash=this.hashTransactionForSignature(script,index,1);return ECDSA.verify(hash,conv.coerceToBytes(sig),conv.coerceToBytes(pub))};var TransactionIn=function(data){if(typeof data=="string")this.outpoint={hash:data.split(":")[0],index:data.split(":")[1]};else if(data.outpoint)this.outpoint=data.outpoint;else this.outpoint={hash:data.hash,index:data.index};if(data.scriptSig)this.script=Script.fromScriptSig(data.scriptSig);else this.script=new Script(data.script);this.sequence=data.sequence||4294967295};TransactionIn.prototype.clone=function(){return new TransactionIn({outpoint:{hash:this.outpoint.hash,index:this.outpoint.index},script:this.script.clone(),sequence:this.sequence})};var TransactionOut=function(data){this.script=data.script instanceof Script?data.script.clone():util.isArray(data.script)?new Script(data.script):typeof data.script=="string"?new Script(conv.hexToBytes(data.script)):data.scriptPubKey?Script.fromScriptSig(data.scriptPubKey):data.address?Script.createOutputScript(data.address):new Script;if(this.script.buffer.length>0)this.address=this.script.toAddress();this.value=util.isArray(data.value)?util.bytesToNum(data.value):"string"==typeof data.value?parseInt(data.value):data.value instanceof BigInteger?parseInt(data.value.toString()):data.value};TransactionOut.prototype.clone=function(){var newTxout=new TransactionOut({script:this.script.clone(),value:this.value});return newTxout};module.exports.Transaction=Transaction;module.exports.TransactionIn=TransactionIn;module.exports.TransactionOut=TransactionOut},{"./address":1,"./convert":4,"./crypto-js/crypto":5,"./ecdsa":10,"./eckey":11,"./jsbn/jsbn":14,"./script":20,"./util":22,"./wallet":23}],22:[function(require,module,exports){var BigInteger=require("./jsbn/jsbn");var Crypto=require("./crypto-js/crypto");module.exports={isArray:Array.isArray||function(o){return Object.prototype.toString.call(o)==="[object Array]"},makeFilledArray:function(len,val){var array=[];var i=0;while(i<len){array[i++]=val}return array},numToBytes:function(num,bytes){if(bytes===undefined)bytes=8;if(bytes==0)return[];else return[num%256].concat(module.exports.numToBytes(Math.floor(num/256),bytes-1))},bytesToNum:function(bytes){if(bytes.length==0)return 0;else return bytes[0]+256*module.exports.bytesToNum(bytes.slice(1))},numToVarInt:function(num){var m=module.exports;if(num<253)return[num];else if(num<65536)return[253].concat(m.numToBytes(num,2));else if(num<4294967296)return[254].concat(m.numToBytes(num,4));else return[253].concat(m.numToBytes(num,8))},valueToBigInt:function(valueBuffer){if(valueBuffer instanceof BigInteger)return valueBuffer;return BigInteger.fromByteArrayUnsigned(valueBuffer)},formatValue:function(valueBuffer){var value=this.valueToBigInt(valueBuffer).toString();var integerPart=value.length>8?value.substr(0,value.length-8):"0";var decimalPart=value.length>8?value.substr(value.length-8):value;while(decimalPart.length<8)decimalPart="0"+decimalPart;decimalPart=decimalPart.replace(/0*$/,"");while(decimalPart.length<2)decimalPart+="0";return integerPart+"."+decimalPart},parseValue:function(valueString){var valueComp=valueString.split(".");var integralPart=valueComp[0];var fractionalPart=valueComp[1]||"0";while(fractionalPart.length<8)fractionalPart+="0";fractionalPart=fractionalPart.replace(/^0+/g,"");var value=BigInteger.valueOf(parseInt(integralPart));value=value.multiply(BigInteger.valueOf(1e8));value=value.add(BigInteger.valueOf(parseInt(fractionalPart)));return value},bytesToWords:function(bytes){var words=[];for(var i=0,b=0;i<bytes.length;i++,b+=8){words[b>>>5]|=bytes[i]<<24-b%32}return words},wordsToBytes:function(words){var bytes=[];for(var b=0;b<words.length*32;b+=8){bytes.push(words[b>>>5]>>>24-b%32&255)}return bytes},sha256ripe160:function(data){return Crypto.RIPEMD160(Crypto.SHA256(data,{asBytes:true}),{asBytes:true})},error:function(msg){throw new Error(msg)}}},{"./crypto-js/crypto":5,"./jsbn/jsbn":14}],23:[function(require,module,exports){var Script=require("./script");var ECKey=require("./eckey");var conv=require("./convert");var util=require("./util");var BigInteger=require("./jsbn/jsbn");var BIP32key=require("./bip32");var Transaction=require("./transaction").Transaction;var TransactionIn=require("./transaction").TransactionIn;var TransactionOut=require("./transaction").TransactionOut;var SecureRandom=require("./jsbn/rng");var rng=new SecureRandom;var Wallet=function(seed){var keys=[];var masterkey=null;var me=this;this.addresses=[];this.outputs={};this.newMasterKey=function(seed){if(!seed){var seedBytes=new Array(32);rng.nextBytes(seedBytes);seed=conv.bytesToString(seedBytes)}masterkey=new BIP32key(seed);keys=[]};this.newMasterKey(seed);this.generateAddress=function(){keys.push(masterkey.ckd(keys.length).key);this.addresses.push(keys[keys.length-1].getBitcoinAddress().toString());return this.addresses[this.addresses.length-1]};this.processTx=function(tx,verified){var txhash=conv.bytesToHex(tx.getHash());for(var i=0;i<tx.outs.length;i++){if(this.addresses.indexOf(tx.outs[i].address.toString())>=0){me.outputs[txhash+":"+i]={output:txhash+":"+i,value:tx.outs[i].value,address:tx.outs[i].address.toString(),timestamp:(new Date).getTime()/1e3,pending:true}}}for(var i=0;i<tx.ins.length;i++){var op=tx.ins[i].outpoint;var o=me.outputs[op.hash+":"+op.index];if(o){o.spend=txhash+":"+i;o.spendpending=true;o.timestamp=(new Date).getTime()/1e3}}};this.processOutput=function(o){if(!this.outputs[o.output]||this.outputs[o.output].pending)this.outputs[o.output]=o};this.processExistingOutputs=function(){var t=(new Date).getTime()/1e3;for(var o in this.outputs){if(o.pending&&t>o.timestamp+1200)delete this.outputs[o];if(o.spendpending&&t>o.timestamp+1200){o.spendpending=false;o.spend=false;delete o.timestamp}}};var peoInterval=setInterval(this.processExistingOutputs,1e4);this.getUtxoToPay=function(value){var h=[];for(var out in this.outputs)h.push(this.outputs[out]);var utxo=h.filter(function(x){return!x.spend});var valuecompare=function(a,b){return a.value>b.value};var high=utxo.filter(function(o){return o.value>=value}).sort(valuecompare);if(high.length>0)return[high[0]];utxo.sort(valuecompare);var totalval=0;for(var i=0;i<utxo.length;i++){totalval+=utxo[i].value;if(totalval>=value)return utxo.slice(0,i+1)}throw"Not enough money to send funds including transaction fee. Have: "+totalval/1e8+", needed: "+value/1e8};this.mkSend=function(to,value,fee){var utxo=this.getUtxoToPay(value+fee);var sum=utxo.reduce(function(t,o){return t+o.value},0),remainder=sum-value-fee;if(value<5430)throw new Error("Amount below dust threshold!");var unspentOuts=0;for(var o in this.outputs){if(!this.outputs[o].spend)unspentOuts+=1;if(unspentOuts>=5)return}var change=this.addresses[this.addresses.length-1];var toOut={address:to,value:value},changeOut={address:change,value:remainder};halfChangeOut={address:change,value:Math.floor(remainder/2)};var outs=remainder<5430?[toOut]:remainder<10860?[toOut,changeOut]:unspentOuts==5?[toOut,changeOut]:[toOut,halfChangeOut,halfChangeOut];console.log(1,utxo,outs);var tx=new Bitcoin.Transaction({ins:utxo.map(function(x){return x.output}),outs:outs});this.sign(tx);return tx};this.sign=function(tx){tx.ins.map(function(inp,i){console.log(1,inp.outpoint);var inp=inp.outpoint.hash+":"+inp.outpoint.index;if(me.outputs[inp]){console.log(2,me.outputs[inp]);var address=me.outputs[inp].address,ind=me.addresses.indexOf(address);console.log(3,ind);if(ind>=0){var key=keys[ind];tx.sign(ind,key)}}});return tx};this.getMasterKey=function(){return masterkey};this.getPrivateKey=function(index){if(typeof index=="string")return keys.filter(function(i,k){return addresses[i]==index})[0];else return keys[index]};this.getPrivateKeys=function(){return keys}};module.exports=Wallet},{"./bip32":3,"./convert":4,"./eckey":11,"./jsbn/jsbn":14,"./jsbn/rng":16,"./script":20,"./transaction":21,"./util":22}]},{},[12])(12)});