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author | Leonid Logvinov <logvinov.leon@gmail.com> | 2019-01-08 19:23:33 +0800 |
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committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2019-01-08 21:48:06 +0800 |
commit | 2c974b5f3ffa0e9736000273e39cdeee4a251b94 (patch) | |
tree | a1772f93d796e3b4ba7a988194a44a3e8bcd6d31 /packages/sol-cov/src/utils.ts | |
parent | 0ac36cef288deecd36caa601c53d13517eef5ca8 (diff) | |
download | dexon-0x-contracts-2c974b5f3ffa0e9736000273e39cdeee4a251b94.tar.gz dexon-0x-contracts-2c974b5f3ffa0e9736000273e39cdeee4a251b94.tar.zst dexon-0x-contracts-2c974b5f3ffa0e9736000273e39cdeee4a251b94.zip |
Refactor out sol-cov, sol-profiler and sol-trace into their separate packages
Diffstat (limited to 'packages/sol-cov/src/utils.ts')
-rw-r--r-- | packages/sol-cov/src/utils.ts | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/packages/sol-cov/src/utils.ts b/packages/sol-cov/src/utils.ts deleted file mode 100644 index d8bc65e73..000000000 --- a/packages/sol-cov/src/utils.ts +++ /dev/null @@ -1,87 +0,0 @@ -import { addressUtils, BigNumber } from '@0x/utils'; -import { OpCode, StructLog } from 'ethereum-types'; -import { addHexPrefix } from 'ethereumjs-util'; -import * as _ from 'lodash'; - -import { ContractData, LineColumn, SingleFileSourceRange } from './types'; - -// This is the minimum length of valid contract bytecode. The Solidity compiler -// metadata is 86 bytes. If you add the '0x' prefix, we get 88. -const MIN_CONTRACT_BYTECODE_LENGTH = 88; - -export const utils = { - compareLineColumn(lhs: LineColumn, rhs: LineColumn): number { - return lhs.line !== rhs.line ? lhs.line - rhs.line : lhs.column - rhs.column; - }, - removeHexPrefix(hex: string): string { - const hexPrefix = '0x'; - return hex.startsWith(hexPrefix) ? hex.slice(hexPrefix.length) : hex; - }, - isRangeInside(childRange: SingleFileSourceRange, parentRange: SingleFileSourceRange): boolean { - return ( - utils.compareLineColumn(parentRange.start, childRange.start) <= 0 && - utils.compareLineColumn(childRange.end, parentRange.end) <= 0 - ); - }, - 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........................................'); - // HACK: Node regexes can't be longer that 32767 characters. Contracts bytecode can. We just truncate the regexes. It's safe in practice. - const MAX_REGEX_LENGTH = 32767; - const truncatedBytecodeRegex = bytecodeRegex.slice(0, MAX_REGEX_LENGTH); - return truncatedBytecodeRegex; - }, - 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 = utils.bytecodeToBytecodeRegex(contractDataCandidate.bytecode); - // If the bytecode is less than the minimum length, we are probably - // dealing with an interface. This isn't what we're looking for. - if (bytecodeRegex.length < MIN_CONTRACT_BYTECODE_LENGTH) { - return false; - } - const runtimeBytecodeRegex = utils.bytecodeToBytecodeRegex(contractDataCandidate.runtimeBytecode); - if (runtimeBytecodeRegex.length < MIN_CONTRACT_BYTECODE_LENGTH) { - return false; - } - // 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; - }, - isCallLike(op: OpCode): boolean { - return _.includes([OpCode.CallCode, OpCode.StaticCall, OpCode.Call, OpCode.DelegateCall], op); - }, - isEndOpcode(op: OpCode): boolean { - return _.includes([OpCode.Return, OpCode.Stop, OpCode.Revert, OpCode.Invalid, OpCode.SelfDestruct], op); - }, - getAddressFromStackEntry(stackEntry: string): string { - const hexBase = 16; - return addressUtils.padZeros(new BigNumber(addHexPrefix(stackEntry)).toString(hexBase)); - }, - normalizeStructLogs(structLogs: StructLog[]): StructLog[] { - if (structLogs[0].depth === 1) { - // Geth uses 1-indexed depth counter whilst ganache starts from 0 - const newStructLogs = _.map(structLogs, structLog => ({ - ...structLog, - depth: structLog.depth - 1, - })); - return newStructLogs; - } - return structLogs; - }, - getRange(sourceCode: string, range: SingleFileSourceRange): string { - const lines = sourceCode.split('\n').slice(range.start.line - 1, range.end.line); - lines[lines.length - 1] = lines[lines.length - 1].slice(0, range.end.column); - lines[0] = lines[0].slice(range.start.column); - return lines.join('\n'); - }, -}; |