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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,264 @@ | ||
| import { ApiPromise } from '@polkadot/api'; | ||
| import { Extrinsic } from '@polkadot/types/interfaces'; | ||
| import { HexString } from '@polkadot/util/types'; | ||
| import { IExtrinsic } from '@polkadot/types/types'; | ||
|
|
||
| export type CallTrace = { | ||
| type: 'CALL' | 'CALLCODE' | 'STATICCALL' | 'DELEGATECALL' | 'CREATE' | 'SUICIDE'; | ||
| from: HexString; | ||
| to: HexString; | ||
| input: HexString; | ||
| value: HexString; | ||
| gas: number; | ||
| gasUsed: number; | ||
| output: HexString | null; | ||
| error: string | null; | ||
| revertReason: string | null; | ||
| depth: number; | ||
| calls: CallTrace[]; | ||
| } | ||
|
|
||
| export interface StepBase { | ||
| pc: number; | ||
| depth: number; | ||
| gas: number; | ||
| stack: HexString[]; | ||
| memory: string[] | null; | ||
| } | ||
|
|
||
| export interface StepRaw extends StepBase { | ||
| op: number; | ||
| } | ||
|
|
||
| export interface Step extends StepBase { | ||
| op: string; | ||
| } | ||
|
|
||
| export enum TracerType { | ||
| CallTracer = 'callTracer', | ||
| OpcodeTracer = 'opcodeTracer' | ||
| } | ||
|
|
||
| export const OPNAME_TABLE = { | ||
| '0x00': 'STOP', | ||
| '0x01': 'ADD', | ||
| '0x02': 'MUL', | ||
| '0x03': 'SUB', | ||
| '0x04': 'DIV', | ||
| '0x05': 'SDIV', | ||
| '0x06': 'MOD', | ||
| '0x07': 'SMOD', | ||
| '0x08': 'ADDMOD', | ||
| '0x09': 'MULMOD', | ||
| '0x0a': 'EXP', | ||
| '0x0b': 'SIGNEXTEND', | ||
| '0x10': 'LT', | ||
| '0x11': 'GT', | ||
| '0x12': 'SLT', | ||
| '0x13': 'SGT', | ||
| '0x14': 'EQ', | ||
| '0x15': 'ISZERO', | ||
| '0x16': 'AND', | ||
| '0x17': 'OR', | ||
| '0x18': 'XOR', | ||
| '0x19': 'NOT', | ||
| '0x1a': 'BYTE', | ||
| '0x35': 'CALLDATALOAD', | ||
| '0x36': 'CALLDATASIZE', | ||
| '0x37': 'CALLDATACOPY', | ||
| '0x38': 'CODESIZE', | ||
| '0x39': 'CODECOPY', | ||
| '0x1b': 'SHL', | ||
| '0x1c': 'SHR', | ||
| '0x1d': 'SAR', | ||
| '0x50': 'POP', | ||
| '0x51': 'MLOAD', | ||
| '0x52': 'MSTORE', | ||
| '0x53': 'MSTORE8', | ||
| '0x56': 'JUMP', | ||
| '0x57': 'JUMPI', | ||
| '0x58': 'PC', | ||
| '0x59': 'MSIZE', | ||
| '0x5b': 'JUMPDEST', | ||
| '0x5f': 'PUSH0', | ||
| '0x60': 'PUSH1', | ||
| '0x61': 'PUSH2', | ||
| '0x62': 'PUSH3', | ||
| '0x63': 'PUSH4', | ||
| '0x64': 'PUSH5', | ||
| '0x65': 'PUSH6', | ||
| '0x66': 'PUSH7', | ||
| '0x67': 'PUSH8', | ||
| '0x68': 'PUSH9', | ||
| '0x69': 'PUSH10', | ||
| '0x6a': 'PUSH11', | ||
| '0x6b': 'PUSH12', | ||
| '0x6c': 'PUSH13', | ||
| '0x6d': 'PUSH14', | ||
| '0x6e': 'PUSH15', | ||
| '0x6f': 'PUSH16', | ||
| '0x70': 'PUSH17', | ||
| '0x71': 'PUSH18', | ||
| '0x72': 'PUSH19', | ||
| '0x73': 'PUSH20', | ||
| '0x74': 'PUSH21', | ||
| '0x75': 'PUSH22', | ||
| '0x76': 'PUSH23', | ||
| '0x77': 'PUSH24', | ||
| '0x78': 'PUSH25', | ||
| '0x79': 'PUSH26', | ||
| '0x7a': 'PUSH27', | ||
| '0x7b': 'PUSH28', | ||
| '0x7c': 'PUSH29', | ||
| '0x7d': 'PUSH30', | ||
| '0x7e': 'PUSH31', | ||
| '0x7f': 'PUSH32', | ||
| '0x80': 'DUP1', | ||
| '0x81': 'DUP2', | ||
| '0x82': 'DUP3', | ||
| '0x83': 'DUP4', | ||
| '0x84': 'DUP5', | ||
| '0x85': 'DUP6', | ||
| '0x86': 'DUP7', | ||
| '0x87': 'DUP8', | ||
| '0x88': 'DUP9', | ||
| '0x89': 'DUP10', | ||
| '0x8a': 'DUP11', | ||
| '0x8b': 'DUP12', | ||
| '0x8c': 'DUP13', | ||
| '0x8d': 'DUP14', | ||
| '0x8e': 'DUP15', | ||
| '0x8f': 'DUP16', | ||
| '0x90': 'SWAP1', | ||
| '0x91': 'SWAP2', | ||
| '0x92': 'SWAP3', | ||
| '0x93': 'SWAP4', | ||
| '0x94': 'SWAP5', | ||
| '0x95': 'SWAP6', | ||
| '0x96': 'SWAP7', | ||
| '0x97': 'SWAP8', | ||
| '0x98': 'SWAP9', | ||
| '0x99': 'SWAP10', | ||
| '0x9a': 'SWAP11', | ||
| '0x9b': 'SWAP12', | ||
| '0x9c': 'SWAP13', | ||
| '0x9d': 'SWAP14', | ||
| '0x9e': 'SWAP15', | ||
| '0x9f': 'SWAP16', | ||
| '0xf3': 'RETURN', | ||
| '0xfd': 'REVERT', | ||
| '0xfe': 'INVALID', | ||
| '0xef': 'EOFMAGIC', | ||
| '0x20': 'SHA3', | ||
| '0x30': 'ADDRESS', | ||
| '0x31': 'BALANCE', | ||
| '0x47': 'SELFBALANCE', | ||
| '0x48': 'BASEFEE', | ||
| '0x32': 'ORIGIN', | ||
| '0x33': 'CALLER', | ||
| '0x34': 'CALLVALUE', | ||
| '0x3a': 'GASPRICE', | ||
| '0x3b': 'EXTCODESIZE', | ||
| '0x3c': 'EXTCODECOPY', | ||
| '0x3f': 'EXTCODEHASH', | ||
| '0x3d': 'RETURNDATASIZE', | ||
| '0x3e': 'RETURNDATACOPY', | ||
| '0x40': 'BLOCKHASH', | ||
| '0x41': 'COINBASE', | ||
| '0x42': 'TIMESTAMP', | ||
| '0x43': 'NUMBER', | ||
| '0x44': 'DIFFICULTY', | ||
| '0x45': 'GASLIMIT', | ||
| '0x54': 'SLOAD', | ||
| '0x55': 'SSTORE', | ||
| '0x5a': 'GAS', | ||
| '0xa0': 'LOG0', | ||
| '0xa1': 'LOG1', | ||
| '0xa2': 'LOG2', | ||
| '0xa3': 'LOG3', | ||
| '0xa4': 'LOG4', | ||
| '0xf0': 'CREATE', | ||
| '0xf5': 'CREATE2', | ||
| '0xf1': 'CALL', | ||
| '0xf2': 'CALLCODE', | ||
| '0xf4': 'DELEGATECALL', | ||
| '0xfa': 'STATICCALL', | ||
| '0xff': 'SUICIDE', | ||
| '0x46': 'CHAINID', | ||
| }; | ||
|
|
||
| export const opName = (opCode: number): string => { | ||
| const opCodeHex = `0x${opCode.toString(16).padStart(2, '0')}`; | ||
| return OPNAME_TABLE[opCodeHex] ?? opCodeHex; | ||
| }; | ||
|
|
||
| export const traceVM = async ( | ||
| api: ApiPromise, | ||
| extrinsic: Extrinsic | IExtrinsic | string | Uint8Array, | ||
| ) => { | ||
| const pageSize = 10000; | ||
| const traceConf = { | ||
| page: 0, | ||
| pageSize, | ||
| disableStack: false, | ||
| enableMemory: true, | ||
| }; | ||
|
|
||
| let traceNextPage = true; | ||
| let steps: Step[] = []; | ||
| while (traceNextPage) { | ||
| const res = await api.call.evmTraceApi.traceExtrinsic(extrinsic, { OpcodeTracer: traceConf }); | ||
|
|
||
| if (!res.isOk) { | ||
| throw new Error(`traceVM: trace failed. Err: ${res.asErr.toString()}`); | ||
| } | ||
|
|
||
| const okRes = res.asOk; | ||
| if (!okRes.isSteps) { | ||
| throw new Error('traceVM: invalid outcome'); | ||
| } | ||
|
|
||
| const curSteps = okRes.asSteps.toJSON() as StepRaw[]; | ||
|
Check failure on line 221 in packages/eth-providers/src/utils/trace.ts
|
||
|
|
||
| steps = steps.concat( | ||
| curSteps.map(step => ({ | ||
| ...step, | ||
| op: opName(step.op), | ||
| // transform memory to 64 bytes chunks | ||
| memory: step.memory | ||
| ? step.memory.map((chunk, idx) => { | ||
| // remove 0x prefix | ||
| const slice = chunk.slice(2); | ||
| // make sure each chunk is 64 bytes | ||
| return slice.length < 64 && idx + 1 < step.memory!.length | ||
| ? slice.padStart(64, '0') | ||
| : slice; | ||
| }) | ||
| : null, | ||
| })), | ||
| ); | ||
|
|
||
| traceConf.page++; | ||
| traceNextPage = curSteps.length == pageSize; | ||
| } | ||
|
|
||
| return steps; | ||
| }; | ||
|
|
||
| export const traceCall = async ( | ||
| api: ApiPromise, | ||
| extrinsic: Extrinsic | IExtrinsic | string | Uint8Array, | ||
| ): Promise<CallTrace[]> => { | ||
| const traceConf = { CallTracer: null }; | ||
| const res = await api.call.evmTraceApi.traceExtrinsic(extrinsic, traceConf); | ||
| if (!res.isOk) { | ||
| throw new Error(`traceCall: trace failed. Err: ${res.asErr.toString()}`); | ||
| } | ||
|
|
||
| const okRes = res.asOk; | ||
| if (!okRes.isCalls) { | ||
| throw new Error('traceVM: invalid outcome'); | ||
| } | ||
|
|
||
| return okRes.asCalls.toJSON() as CallTrace[]; | ||
| }; | ||
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