70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
/*global web3*/
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const process = require('process');
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const fs = require('../../core/fs');
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const ContractSources = require('./contract_sources');
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// Set up the web3 extension
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web3.extend({
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property: 'debug',
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methods: [{name: 'traceTransaction', call: 'debug_traceTransaction', params: 2}]
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});
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class CodeCoverage {
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constructor(embark, _options) {
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this.events = embark.events;
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this.logger = embark.logger;
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embark.events.on('contracts:compile:solc', this.compileSolc.bind(this));
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embark.events.on('contracts:compiled:solc', this.compiledSolc.bind(this));
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embark.events.on('contracts:run:solc', this.runSolc.bind(this));
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embark.events.on('block:header', this.runSolc.bind(this));
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this.seenTransactions = {};
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var self = this;
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process.on('exit', (_code) => {
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const coverageReportPath = fs.dappPath('.embark', 'coverage.json');
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fs.writeFileSync(coverageReportPath, JSON.stringify(self.coverageReport));
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});
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}
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compileSolc(input) {
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var sources = Object.keys(input.sources).reduce((sum, elm, _i) => {
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sum[elm] = input.sources[elm].content;
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return sum;
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}, {});
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this.contractSources = new ContractSources(sources);
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}
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compiledSolc(output) {
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this.contractSources.parseSolcOutput(output);
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}
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async runSolc(receipt) {
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let block = await web3.eth.getBlock(receipt.number);
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if(block.transactions.length == 0) return;
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let requests = [];
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for(let i in block.transactions) {
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var txHash = block.transactions[i];
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if(this.seenTransactions[txHash]) return;
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this.seenTransactions[txHash] = true;
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requests.push(web3.debug.traceTransaction(txHash, {}));
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}
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let traces = await Promise.all(requests);
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for(let i in traces) {
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var cov = this.contractSources.generateCodeCoverage(traces[i]);
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this.coverageReport = cov;
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}
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}
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}
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module.exports = CodeCoverage;
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