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@ -1,6 +1,7 @@ |
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'use strict' |
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import Common from '@ethereumjs/common' |
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import { getOpcodesForHF } from '@ethereumjs/vm/dist/evm/opcodes' |
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import getOpcodes from './opcodes' |
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export function nameOpCodes (raw, hardfork) { |
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const common = new Common({ chain: 'mainnet', hardfork }) |
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@ -34,6 +35,12 @@ export function nameOpCodes (raw, hardfork) { |
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return [code, codeMap] |
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} |
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type Opcode = { |
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name: String, |
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pushData?: Array<number> |
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in?: number |
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out?: number |
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} |
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/** |
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* Parses code as a list of integers into a list of objects containing |
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* information about the opcode. |
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@ -44,15 +51,19 @@ export function parseCode (raw) { |
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const code = [] |
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for (let i = 0; i < raw.length; i++) { |
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let opcode |
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const opcode: Opcode = { name: 'INVALID' } |
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try { |
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opcode = opcodes.get(raw[i]).fullName |
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const code = opcodes.get(raw[i]) |
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const opcodeDetails = getOpcodes(raw[i], false) |
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opcode.in = opcodeDetails.in |
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opcode.out = opcodeDetails.out |
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opcode.name = code.fullName |
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} catch (e) { |
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opcode = 'INVALID' |
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opcode.name = 'INVALID' |
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} |
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if (opcode.name.slice(0, 4) === 'PUSH') { |
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const length = raw[i] - 0x5f |
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opcode['pushData'] = raw.slice(i + 1, i + length + 1) |
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opcode.pushData = raw.slice(i + 1, i + length + 1) |
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// in case pushdata extends beyond code
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if (i + 1 + length > raw.length) { |
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for (let j = opcode['pushData'].length; j < length; j++) { |
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