ethers.js/dist/ethers-providers.min.js

!function a(b,c,d){function e(g,h){if(!c[g]){if(!b[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:{}};b[g][0].call(k.exports,function(a){var c=b[g][1][a];return e(c?c:a)},k,k.exports,a,b,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(b,c){"use strict";function d(a,b){if(!a)throw new Error(b||"Assertion failed")}function e(a,b){a.super_=b;var c=function(){};c.prototype=b.prototype,a.prototype=new c,a.prototype.constructor=a}function f(a,b,c){return f.isBN(a)?a:(this.negative=0,this.words=null,this.length=0,this.red=null,void(null!==a&&("le"!==b&&"be"!==b||(c=b,b=10),this._init(a||0,b||10,c||"be"))))}function g(a,b,c){for(var d=0,e=Math.min(a.length,c),f=b;f<e;f++){var g=a.charCodeAt(f)-48;d<<=4,d|=g>=49&&g<=54?g-49+10:g>=17&&g<=22?g-17+10:15&g}return d}function h(a,b,c,d){for(var e=0,f=Math.min(a.length,c),g=b;g<f;g++){var h=a.charCodeAt(g)-48;e*=d,e+=h>=49?h-49+10:h>=17?h-17+10:h}return e}function i(a){for(var b=new Array(a.bitLength()),c=0;c<b.length;c++){var d=c/26|0,e=c%26;b[c]=(a.words[d]&1<<e)>>>e}return b}function j(a,b,c){c.negative=b.negative^a.negative;var d=a.length+b.length|0;c.length=d,d=d-1|0;var e=0|a.words[0],f=0|b.words[0],g=e*f,h=67108863&g,i=g/67108864|0;c.words[0]=h;for(var j=1;j<d;j++){for(var k=i>>>26,l=67108863&i,m=Math.min(j,b.length-1),n=Math.max(0,j-a.length+1);n<=m;n++){var o=j-n|0;e=0|a.words[o],f=0|b.words[n],g=e*f+l,k+=g/67108864|0,l=67108863&g}c.words[j]=0|l,i=0|k}return 0!==i?c.words[j]=0|i:c.length--,c.strip()}function k(a,b,c){c.negative=b.negative^a.negative,c.length=a.length+b.length;for(var d=0,e=0,f=0;f<c.length-1;f++){var g=e;e=0;for(var h=67108863&d,i=Math.min(f,b.length-1),j=Math.max(0,f-a.length+1);j<=i;j++){var k=f-j,l=0|a.words[k],m=0|b.words[j],n=l*m,o=67108863&n;g=g+(n/67108864|0)|0,o=o+h|0,h=67108863&o,g=g+(o>>>26)|0,e+=g>>>26,g&=67108863}c.words[f]=h,d=g,g=e}return 0!==d?c.words[f]=d:c.length--,c.strip()}function l(a,b,c){var d=new m;return d.mulp(a,b,c)}function m(a,b){this.x=a,this.y=b}function n(a,b){this.name=a,this.p=new f(b,16),this.n=this.p.bitLength(),this.k=new f(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function o(){n.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function p(){n.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function q(){n.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function r(){n.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function s(a){if("string"==typeof a){var b=f._prime(a);this.m=b.p,this.prime=b}else d(a.gtn(1),"modulus must be greater than 1"),this.m=a,this.prime=null}function t(a){s.call(this,a),this.shift=this.m.bitLength(),this.shift%26!==0&&(this.shift+=26-this.shift%26),this.r=new f(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}"object"==typeof b?b.exports=f:c.BN=f,f.BN=f,f.wordSize=26;var u;try{u=a("buffer").Buffer}catch(v){}f.isBN=function(a){return a instanceof f||null!==a&&"object"==typeof a&&a.constructor.wordSize===f.wordSize&&Array.isArray(a.words)},f.max=function(a,b){return a.cmp(b)>0?a:b},f.min=function(a,b){return a.cmp(b)<0?a:b},f.prototype._init=function(a,b,c){if("number"==typeof a)return this._initNumber(a,b,c);if("object"==typeof a)return this._initArray(a,b,c);"hex"===b&&(b=16),d(b===(0|b)&&b>=2&&b<=36),a=a.toString().replace(/\s+/g,"");var e=0;"-"===a[0]&&e++,16===b?this._parseHex(a,e):this._parseBase(a,b,e),"-"===a[0]&&(this.negative=1),this.strip(),"le"===c&&this._initArray(this.toArray(),b,c)},f.prototype._initNumber=function(a,b,c){a<0&&(this.negative=1,a=-a),a<67108864?(this.words=[67108863&a],this.length=1):a<4503599627370496?(this.words=[67108863&a,a/67108864&6710
mod:new f(this.modn(a.words[0]))}:{div:this.divn(a.words[0]),mod:new f(this.modn(a.words[0]))}:this._wordDiv(a,b)},f.prototype.div=function(a){return this.divmod(a,"div",!1).div},f.prototype.mod=function(a){return this.divmod(a,"mod",!1).mod},f.prototype.umod=function(a){return this.divmod(a,"mod",!0).mod},f.prototype.divRound=function(a){var b=this.divmod(a);if(b.mod.isZero())return b.div;var c=0!==b.div.negative?b.mod.isub(a):b.mod,d=a.ushrn(1),e=a.andln(1),f=c.cmp(d);return f<0||1===e&&0===f?b.div:0!==b.div.negative?b.div.isubn(1):b.div.iaddn(1)},f.prototype.modn=function(a){d(a<=67108863);for(var b=(1<<26)%a,c=0,e=this.length-1;e>=0;e--)c=(b*c+(0|this.words[e]))%a;return c},f.prototype.idivn=function(a){d(a<=67108863);for(var b=0,c=this.length-1;c>=0;c--){var e=(0|this.words[c])+67108864*b;this.words[c]=e/a|0,b=e%a}return this.strip()},f.prototype.divn=function(a){return this.clone().idivn(a)},f.prototype.egcd=function(a){d(0===a.negative),d(!a.isZero());var b=this,c=a.clone();b=0!==b.negative?b.umod(a):b.clone();for(var e=new f(1),g=new f(0),h=new f(0),i=new f(1),j=0;b.isEven()&&c.isEven();)b.iushrn(1),c.iushrn(1),++j;for(var k=c.clone(),l=b.clone();!b.isZero();){for(var m=0,n=1;0===(b.words[0]&n)&&m<26;++m,n<<=1);if(m>0)for(b.iushrn(m);m-- >0;)(e.isOdd()||g.isOdd())&&(e.iadd(k),g.isub(l)),e.iushrn(1),g.iushrn(1);for(var o=0,p=1;0===(c.words[0]&p)&&o<26;++o,p<<=1);if(o>0)for(c.iushrn(o);o-- >0;)(h.isOdd()||i.isOdd())&&(h.iadd(k),i.isub(l)),h.iushrn(1),i.iushrn(1);b.cmp(c)>=0?(b.isub(c),e.isub(h),g.isub(i)):(c.isub(b),h.isub(e),i.isub(g))}return{a:h,b:i,gcd:c.iushln(j)}},f.prototype._invmp=function(a){d(0===a.negative),d(!a.isZero());var b=this,c=a.clone();b=0!==b.negative?b.umod(a):b.clone();for(var e=new f(1),g=new f(0),h=c.clone();b.cmpn(1)>0&&c.cmpn(1)>0;){for(var i=0,j=1;0===(b.words[0]&j)&&i<26;++i,j<<=1);if(i>0)for(b.iushrn(i);i-- >0;)e.isOdd()&&e.iadd(h),e.iushrn(1);for(var k=0,l=1;0===(c.words[0]&l)&&k<26;++k,l<<=1);if(k>0)for(c.iushrn(k);k-- >0;)g.isOdd()&&g.iadd(h),g.iushrn(1);b.cmp(c)>=0?(b.isub(c),e.isub(g)):(c.isub(b),g.isub(e))}var m;return m=0===b.cmpn(1)?e:g,m.cmpn(0)<0&&m.iadd(a),m},f.prototype.gcd=function(a){if(this.isZero())return a.abs();if(a.isZero())return this.abs();var b=this.clone(),c=a.clone();b.negative=0,c.negative=0;for(var d=0;b.isEven()&&c.isEven();d++)b.iushrn(1),c.iushrn(1);for(;;){for(;b.isEven();)b.iushrn(1);for(;c.isEven();)c.iushrn(1);var e=b.cmp(c);if(e<0){var f=b;b=c,c=f}else if(0===e||0===c.cmpn(1))break;b.isub(c)}return c.iushln(d)},f.prototype.invm=function(a){return this.egcd(a).a.umod(a)},f.prototype.isEven=function(){return 0===(1&this.words[0])},f.prototype.isOdd=function(){return 1===(1&this.words[0])},f.prototype.andln=function(a){return this.words[0]&a},f.prototype.bincn=function(a){d("number"==typeof a);var b=a%26,c=(a-b)/26,e=1<<b;if(this.length<=c)return this._expand(c+1),this.words[c]|=e,this;for(var f=e,g=c;0!==f&&g<this.length;g++){var h=0|this.words[g];h+=f,f=h>>>26,h&=67108863,this.words[g]=h}return 0!==f&&(this.words[g]=f,this.length++),this},f.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},f.prototype.cmpn=function(a){var b=a<0;if(0!==this.negative&&!b)return-1;if(0===this.negative&&b)return 1;this.strip();var c;if(this.length>1)c=1;else{b&&(a=-a),d(a<=67108863,"Number is too big");var e=0|this.words[0];c=e===a?0:e<a?-1:1}return 0!==this.negative?0|-c:c},f.prototype.cmp=function(a){if(0!==this.negative&&0===a.negative)return-1;if(0===this.negative&&0!==a.negative)return 1;var b=this.ucmp(a);return 0!==this.negative?0|-b:b},f.prototype.ucmp=function(a){if(this.length>a.length)return 1;if(this.length<a.length)return-1;for(var b=0,c=this.length-1;c>=0;c--){var d=0|this.words[c],e=0|a.words[c];if(d!==e){d<e?b=-1:d>e&&(b=1);break}}return b},f.prototype.gtn=function(a){return 1===this.cmpn(a)},f.prototype.gt=function(a){return 1===this.cmp(a)},f.prototype.gten=function(a){return this.cmpn(a)>=0},f.prototype.gte=function(a){return this.cmp(a)>=0},f.prototype.ltn=function(a){return this.cmpn(a)===-1},f.prototype.lt=function(a){return this.c
c+=f,j.fetchJSON(c,null,h);case"getBlock":if(b.blockTag)return c+="/api?module=proxy&action=eth_getBlockByNumber&tag="+d(b.blockTag),c+="&boolean=false",c+=f,j.fetchJSON(c,null,h);throw new Error("getBlock by blockHash not implmeneted");case"getTransaction":return c+="/api?module=proxy&action=eth_getTransactionByHash&txhash="+b.transactionHash,c+=f,j.fetchJSON(c,null,h);case"getTransactionReceipt":return c+="/api?module=proxy&action=eth_getTransactionReceipt&txhash="+b.transactionHash,c+=f,j.fetchJSON(c,null,h);case"call":var k=e(b.transaction);return k&&(k="&"+k),c+="/api?module=proxy&action=eth_call"+k,c+=f,j.fetchJSON(c,null,h);case"estimateGas":var k=e(b.transaction);return k&&(k="&"+k),c+="/api?module=proxy&action=eth_estimateGas&"+k,c+=f,j.fetchJSON(c,null,h);case"getLogs":c+="/api?module=logs&action=getLogs";try{if(b.filter.fromBlock&&(c+="&fromBlock="+i(b.filter.fromBlock)),b.filter.toBlock&&(c+="&toBlock="+i(b.filter.toBlock)),b.filter.address&&(c+="&address="+b.filter.address),b.filter.topics&&b.filter.topics.length>0){if(b.filter.topics.length>1)throw new Error("unsupported topic format");var l=b.filter.topics[0];if("string"!=typeof l||66!==l.length)throw new Error("unsupported topic0 format");c+="&topic0="+l}}catch(m){return Promise.reject(m)}return c+=f,j.fetchJSON(c,null,g);case"getEtherPrice":return"homestead"!==this.name?Promise.resolve(0):(c+="/api?module=stats&action=ethprice",c+=f,j.fetchJSON(c,null,g).then(function(a){return parseFloat(a.ethusd)}))}return Promise.reject(new Error("not implemented - "+a))}),k.defineProperty(f.prototype,"getHistory",function(a,b,c){var d=this.baseUrl,e="";return this.apiKey&&(e+="&apikey="+this.apiKey),null==b&&(b=0),null==c&&(c=99999999),this.resolveName(a).then(function(a){return d+="/api?module=account&action=txlist&address="+a,d+="&fromBlock="+b,d+="&endBlock="+c,d+="&sort=asc",j.fetchJSON(d,null,g).then(function(a){var b=[];return a.forEach(function(a){["contractAddress","to"].forEach(function(b){""==a[b]&&delete a[b]}),null==a.creates&&null!=a.contractAddress&&(a.creates=a.contractAddress),b.push(j._formatters.checkTransactionResponse(a))}),b})})}),b.exports=f},{"./provider.js":24,"ethers-utils/convert.js":6,"ethers-utils/properties.js":9}],19:[function(a,b,c){"use strict";function d(a){if(0===a.length)throw new Error("no providers");var b={};if(["chainId","ensAddress","name","testnet"].forEach(function(c){for(var d=1;d<a.length;d++)if(a[0][c]!==a[d][c])throw new Error("incompatible providers - "+c+" mismatch");b[c]=a[0][c]}),!(this instanceof d))throw new Error("missing new");f.call(this,b),a=a.slice(0),Object.defineProperty(this,"providers",{get:function(){return a.slice(0)}})}var e=a("inherits"),f=a("./provider.js"),g=function(){return{defineProperty:a("ethers-utils/properties.js").defineProperty}}();e(d,f),g.defineProperty(d.prototype,"perform",function(a,b){var c=this.providers;return new Promise(function(d,e){function f(){if(!c.length)return void e(g);var h=c.shift();h.perform(a,b).then(function(a){d(a)},function(a){g||(g=a),f()})}var g=null;f()})}),b.exports=d},{"./provider.js":24,"ethers-utils/properties.js":9,inherits:14}],20:[function(a,b,c){"use strict";function d(a){return new g([new h(a),new f(a)])}var e=a("./provider.js"),f=a("./etherscan-provider.js"),g=a("./fallback-provider.js"),h=a("./infura-provider.js"),i=a("./json-rpc-provider.js");b.exports={EtherscanProvider:f,FallbackProvider:g,InfuraProvider:h,JsonRpcProvider:i,isProvider:e.isProvider,networks:e.networks,getDefaultProvider:d,Provider:e},a("ethers-utils/standalone.js")({providers:b.exports})},{"./etherscan-provider.js":18,"./fallback-provider.js":19,"./infura-provider.js":21,"./json-rpc-provider.js":22,"./provider.js":24,"ethers-utils/standalone.js":11}],21:[function(a,b,c){"use strict";function d(a,b){if(!(this instanceof d))throw new Error("missing new");a=e._legacyConstructor(a,1,arguments[0]);var c=null;switch(a.name){case"homestead":c="mainnet.infura.io";break;case"ropsten":c="ropsten.infura.io";break;case"rinkeby":c="rinkeby.infura.io";break;case"kovan":c="kovan.infura.io";break;defa