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

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if(F.isHexString(a))return F.hexStripZeros(a);throw new Error("invalid blockTag")}function o(a){return null!=a.author&&null==a.miner&&(a.miner=a.author),e(G,a)}function p(a){if(null!=a.gas&&null==a.gasLimit&&(a.gasLimit=a.gas),a.to&&F.bigNumberify(a.to).isZero()&&(a.to="0x0000000000000000000000000000000000000000"),null!=a.input&&null==a.data&&(a.data=a.input),null==a.to&&null==a.creates&&(a.creates=F.getContractAddress(a)),!a.raw&&a.v&&a.r&&a.s){var b=[F.stripZeros(F.hexlify(a.nonce)),F.stripZeros(F.hexlify(a.gasPrice)),F.stripZeros(F.hexlify(a.gasLimit)),a.to||"0x",F.stripZeros(F.hexlify(a.value||"0x")),F.hexlify(a.data||"0x"),F.stripZeros(F.hexlify(a.v||"0x")),F.stripZeros(F.hexlify(a.r)),F.stripZeros(F.hexlify(a.s))];a.raw=F.RLP.encode(b)}var c=e(H,a),d=a.networkId;return F.isHexString(d)&&(d=F.bigNumberify(d).toNumber()),"number"!=typeof d&&null!=c.v&&(d=(c.v-35)/2,d<0&&(d=0),d=parseInt(d)),"number"!=typeof d&&(d=0),c.networkId=d,c.blockHash&&"x"===c.blockHash.replace(/0/g,"")&&(c.blockHash=null),c}function q(a){return e(I,a)}function r(a){return e(J,a)}function s(a){var b=(a.status,a.root,e(K,a));return b.logs.forEach(function(a,b){null==a.transactionLogIndex&&(a.transactionLogIndex=b)}),null!=a.status&&(b.byzantium=!0),b}function t(a){return Array.isArray(a)?a.forEach(function(a){t(a)}):null!=a&&i(a),a}function u(a){return e(L,a)}function v(a){return e(M,a)}function w(a){function b(){e.getBlockNumber().then(function(a){if(a!==f){null===f&&(f=a-1);for(var b=f+1;b<=a;b++)e._emitted.block<b&&(e._emitted.block=b,Object.keys(e._emitted).forEach(function(a){"block"!==a&&e._emitted[a]>b+12&&delete e._emitted[a]})),e.emit("block",b);var c={};Object.keys(d).forEach(function(b){var d=B(b);"transaction"===d.type?e.getTransaction(d.hash).then(function(a){a&&null!=a.blockNumber&&(e._emitted["t:"+a.hash.toLowerCase()]=a.blockNumber,e.emit(d.hash,a))}):"address"===d.type?(g[d.address]&&(c[d.address]=g[d.address]),e.getBalance(d.address,"latest").then(function(a){var b=g[d.address];b&&a.eq(b)||(g[d.address]=a,e.emit(d.address,a))})):"topic"===d.type&&e.getLogs({fromBlock:f+1,toBlock:a,topics:d.topic}).then(function(a){0!==a.length&&a.forEach(function(a){e._emitted["b:"+a.blockHash.toLowerCase()]=a.blockNumber,e._emitted["t:"+a.transactionHash.toLowerCase()]=a.blockNumber,e.emit(d.topic,a)})})}),f=a,g=c}}),e.doPoll()}if(!(this instanceof w))throw new Error("missing new");a=w.getNetwork(a);var c=null;a.ensAddress&&(c=F.getAddress(a.ensAddress)),F.defineProperty(this,"chainId",a.chainId),F.defineProperty(this,"ensAddress",c),F.defineProperty(this,"name",a.name);var d={};F.defineProperty(this,"_events",d),F.defineProperty(this,"_emitted",{block:-1});var e=this,f=null,g={};F.defineProperty(this,"resetEventsBlock",function(a){f=a,e.doPoll()});var h=4e3,i=null;Object.defineProperty(this,"polling",{get:function(){return null!=i},set:function(a){setTimeout(function(){a&&!i?i=setInterval(b,h):!a&&i&&(clearInterval(i),i=null)},0)}}),Object.defineProperty(this,"pollingInterval",{get:function(){return h},set:function(a){if("number"!=typeof a||a<=0||parseInt(a)!=a)throw new Error("invalid polling interval");h=a,i&&(clearInterval(i),i=setInterval(b,h))}})}function x(a){return function(b){C(b,a),F.defineProperty(b,"inherits",x(b))}}function y(a,b){return new Promise(function(c,d){function e(){b().then(function(b){if(b||a())c(b);else{f++;var d=500+250*parseInt(Math.random()*(1<<f));d>1e4&&(d=1e4),setTimeout(e,d)}},function(a){d(a)})}var f=0;e()})}function z(a,b){if(Array.isArray(a)){var c=[];return a.forEach(function(a){c.push(z(a,b))}),c}return b(a)}function A(a){try{return"address:"+F.getAddress(a)}catch(b){}if("block"===a)return"block";if("pending"===a)return"pending";if(F.isHexString(a)){if(66===a.length)return"tx:"+a}else if(Array.isArray(a)){a=z(a,function(a){return null==a&&(a="0x"),a});try{return"topic:"+F.RLP.encode(a)}catch(b){console.log(b)}}throw new Error("invalid event - "+a)}function B(a){if("tx:"===a.substring(0,3))return{type:"transaction",hash:a.substring(3)};if("block"===a)return{type:"block"};if("pending"===a)return{type:"pend