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-rw-r--r--packages/sol-cov/src/coverage_manager.ts218
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diff --git a/packages/sol-cov/src/coverage_manager.ts b/packages/sol-cov/src/coverage_manager.ts
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--- a/packages/sol-cov/src/coverage_manager.ts
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@@ -1,218 +0,0 @@
-import { promisify } from '@0xproject/utils';
-import { addHexPrefix, stripHexPrefix } from 'ethereumjs-util';
-import * as fs from 'fs';
-import { Collector } from 'istanbul';
-import * as _ from 'lodash';
-import { getLogger, levels, Logger, LogLevel } from 'loglevel';
-import * as mkdirp from 'mkdirp';
-import * as path from 'path';
-
-import { AbstractArtifactAdapter } from './artifact_adapters/abstract_artifact_adapter';
-import { collectCoverageEntries } from './collect_coverage_entries';
-import { constants } from './constants';
-import { parseSourceMap } from './source_maps';
-import {
- BranchCoverage,
- BranchDescription,
- BranchMap,
- ContractData,
- Coverage,
- FnMap,
- FunctionCoverage,
- FunctionDescription,
- LineColumn,
- SingleFileSourceRange,
- SourceRange,
- StatementCoverage,
- StatementDescription,
- StatementMap,
- TraceInfo,
- TraceInfoExistingContract,
- TraceInfoNewContract,
-} from './types';
-import { utils } from './utils';
-
-const mkdirpAsync = promisify<undefined>(mkdirp);
-
-export class CoverageManager {
- private _artifactAdapter: AbstractArtifactAdapter;
- private _logger: Logger;
- private _traceInfos: TraceInfo[] = [];
- private _getContractCodeAsync: (address: string) => Promise<string>;
- private static _getSingleFileCoverageForTrace(
- contractData: ContractData,
- coveredPcs: number[],
- pcToSourceRange: { [programCounter: number]: SourceRange },
- fileIndex: number,
- ): Coverage {
- const absoluteFileName = contractData.sources[fileIndex];
- const coverageEntriesDescription = collectCoverageEntries(contractData.sourceCodes[fileIndex]);
- let sourceRanges = _.map(coveredPcs, coveredPc => pcToSourceRange[coveredPc]);
- sourceRanges = _.compact(sourceRanges); // Some PC's don't map to a source range and we just ignore them.
- // By default lodash does a shallow object comparasion. We JSON.stringify them and compare as strings.
- sourceRanges = _.uniqBy(sourceRanges, s => JSON.stringify(s)); // We don't care if one PC was covered multiple times within a single transaction
- sourceRanges = _.filter(sourceRanges, sourceRange => sourceRange.fileName === absoluteFileName);
- const branchCoverage: BranchCoverage = {};
- const branchIds = _.keys(coverageEntriesDescription.branchMap);
- for (const branchId of branchIds) {
- const branchDescription = coverageEntriesDescription.branchMap[branchId];
- const isCoveredByBranchIndex = _.map(branchDescription.locations, location =>
- _.some(sourceRanges, range => utils.isRangeInside(range.location, location)),
- );
- branchCoverage[branchId] = isCoveredByBranchIndex;
- }
- const statementCoverage: StatementCoverage = {};
- const statementIds = _.keys(coverageEntriesDescription.statementMap);
- for (const statementId of statementIds) {
- const statementDescription = coverageEntriesDescription.statementMap[statementId];
- const isCovered = _.some(sourceRanges, range => utils.isRangeInside(range.location, statementDescription));
- statementCoverage[statementId] = isCovered;
- }
- const functionCoverage: FunctionCoverage = {};
- const functionIds = _.keys(coverageEntriesDescription.fnMap);
- for (const fnId of functionIds) {
- const functionDescription = coverageEntriesDescription.fnMap[fnId];
- const isCovered = _.some(sourceRanges, range =>
- utils.isRangeInside(range.location, functionDescription.loc),
- );
- functionCoverage[fnId] = isCovered;
- }
- // HACK: Solidity doesn't emit any opcodes that map back to modifiers with no args, that's why we map back to the
- // function range and check if there is any covered statement within that range.
- for (const modifierStatementId of coverageEntriesDescription.modifiersStatementIds) {
- if (statementCoverage[modifierStatementId]) {
- // Already detected as covered
- continue;
- }
- const modifierDescription = coverageEntriesDescription.statementMap[modifierStatementId];
- const enclosingFunction = _.find(coverageEntriesDescription.fnMap, functionDescription =>
- utils.isRangeInside(modifierDescription, functionDescription.loc),
- ) as FunctionDescription;
- const isModifierCovered = _.some(
- coverageEntriesDescription.statementMap,
- (statementDescription: StatementDescription, statementId: number) => {
- const isInsideTheModifierEnclosingFunction = utils.isRangeInside(
- statementDescription,
- enclosingFunction.loc,
- );
- const isCovered = statementCoverage[statementId];
- return isInsideTheModifierEnclosingFunction && isCovered;
- },
- );
- statementCoverage[modifierStatementId] = isModifierCovered;
- }
- const partialCoverage = {
- [absoluteFileName]: {
- ...coverageEntriesDescription,
- l: {}, // It's able to derive it from statement coverage
- path: absoluteFileName,
- f: functionCoverage,
- s: statementCoverage,
- b: branchCoverage,
- },
- };
- return partialCoverage;
- }
- private static _bytecodeToBytecodeRegex(bytecode: string): string {
- const bytecodeRegex = bytecode
- // Library linking placeholder: __ConvertLib____________________________
- .replace(/_.*_/, '.*')
- // Last 86 characters is solidity compiler metadata that's different between compilations
- .replace(/.{86}$/, '')
- // Libraries contain their own address at the beginning of the code and it's impossible to know it in advance
- .replace(/^0x730000000000000000000000000000000000000000/, '0x73........................................');
- return bytecodeRegex;
- }
- private static _getContractDataIfExists(contractsData: ContractData[], bytecode: string): ContractData | undefined {
- if (!bytecode.startsWith('0x')) {
- throw new Error(`0x hex prefix missing: ${bytecode}`);
- }
- const contractData = _.find(contractsData, contractDataCandidate => {
- const bytecodeRegex = CoverageManager._bytecodeToBytecodeRegex(contractDataCandidate.bytecode);
- const runtimeBytecodeRegex = CoverageManager._bytecodeToBytecodeRegex(
- contractDataCandidate.runtimeBytecode,
- );
- // We use that function to find by bytecode or runtimeBytecode. Those are quasi-random strings so
- // collisions are practically impossible and it allows us to reuse that code
- return !_.isNull(bytecode.match(bytecodeRegex)) || !_.isNull(bytecode.match(runtimeBytecodeRegex));
- });
- return contractData;
- }
- constructor(
- artifactAdapter: AbstractArtifactAdapter,
- getContractCodeAsync: (address: string) => Promise<string>,
- isVerbose: boolean,
- ) {
- this._getContractCodeAsync = getContractCodeAsync;
- this._artifactAdapter = artifactAdapter;
- this._logger = getLogger('sol-cov');
- this._logger.setLevel(isVerbose ? levels.TRACE : levels.ERROR);
- }
- public appendTraceInfo(traceInfo: TraceInfo): void {
- this._traceInfos.push(traceInfo);
- }
- public async writeCoverageAsync(): Promise<void> {
- const finalCoverage = await this._computeCoverageAsync();
- const stringifiedCoverage = JSON.stringify(finalCoverage, null, '\t');
- await mkdirpAsync('coverage');
- fs.writeFileSync('coverage/coverage.json', stringifiedCoverage);
- }
- private async _computeCoverageAsync(): Promise<Coverage> {
- const contractsData = await this._artifactAdapter.collectContractsDataAsync();
- const collector = new Collector();
- for (const traceInfo of this._traceInfos) {
- if (traceInfo.address !== constants.NEW_CONTRACT) {
- // Runtime transaction
- const runtimeBytecode = (traceInfo as TraceInfoExistingContract).runtimeBytecode;
- const contractData = CoverageManager._getContractDataIfExists(contractsData, runtimeBytecode);
- if (_.isUndefined(contractData)) {
- this._logger.warn(`Transaction to an unknown address: ${traceInfo.address}`);
- continue;
- }
- const bytecodeHex = stripHexPrefix(runtimeBytecode);
- const sourceMap = contractData.sourceMapRuntime;
- const pcToSourceRange = parseSourceMap(
- contractData.sourceCodes,
- sourceMap,
- bytecodeHex,
- contractData.sources,
- );
- for (let fileIndex = 0; fileIndex < contractData.sources.length; fileIndex++) {
- const singleFileCoverageForTrace = CoverageManager._getSingleFileCoverageForTrace(
- contractData,
- traceInfo.coveredPcs,
- pcToSourceRange,
- fileIndex,
- );
- collector.add(singleFileCoverageForTrace);
- }
- } else {
- // Contract creation transaction
- const bytecode = (traceInfo as TraceInfoNewContract).bytecode;
- const contractData = CoverageManager._getContractDataIfExists(contractsData, bytecode);
- if (_.isUndefined(contractData)) {
- this._logger.warn(`Unknown contract creation transaction`);
- continue;
- }
- const bytecodeHex = stripHexPrefix(bytecode);
- const sourceMap = contractData.sourceMap;
- const pcToSourceRange = parseSourceMap(
- contractData.sourceCodes,
- sourceMap,
- bytecodeHex,
- contractData.sources,
- );
- for (let fileIndex = 0; fileIndex < contractData.sources.length; fileIndex++) {
- const singleFileCoverageForTrace = CoverageManager._getSingleFileCoverageForTrace(
- contractData,
- traceInfo.coveredPcs,
- pcToSourceRange,
- fileIndex,
- );
- collector.add(singleFileCoverageForTrace);
- }
- }
- }
- return collector.getFinalCoverage();
- }
-}