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Refactor structLogs normalization to handle ganache

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This commit is contained in:
Leonid Logvinov 2019-02-26 10:55:58 -08:00
parent 4d770549fc
commit c3b758845d
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1 changed files with 57 additions and 25 deletions
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82
packages/sol-tracing-utils/src/utils.ts
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@ -85,34 +85,66 @@ export const utils = {
if (_.isEmpty(structLogs)) {
return structLogs;
}
const reduceDepthBy1 = (structLog: StructLog) => ({
...structLog,
depth: structLog.depth - 1,
});
let normalizedStructLogs = structLogs;
// HACK(leo): Geth traces sometimes returns those gas costs incorrectly as very big numbers so we manually fix them.
const normalizeStaticCallCost = (structLog: StructLog) => (
(structLog.op === OpCode.StaticCall) ? {
...structLog,
gasCost: STATICCALL_GAS_COST,
} : structLog
);
// HACK(leo): Geth traces sometimes returns those gas costs incorrectly as very big numbers so we manually fix them.
const normalizeCallCost = (structLog: StructLog, idx: number) => {
if (structLog.op === OpCode.Call) {
const HEX_BASE = 16;
const callAddress = parseInt(structLog.stack[0], HEX_BASE);
const MAX_REASONABLE_PRECOMPILE_ADDRESS = 100;
if (callAddress < MAX_REASONABLE_PRECOMPILE_ADDRESS) {
const nextStructLog = normalizedStructLogs[idx + 1];
const gasCost = structLog.gas - nextStructLog.gas;
return {
...structLog,
gasCost,
};
} else {
return {
...structLog,
gasCost: CALL_GAS_COST,
};
}
} else {
return structLog;
}
};
const shiftGasCosts1Left = (structLog: StructLog, idx: number) => {
if (idx === structLogs.length - 1) {
return {
...structLog,
gasCost: 0,
};
} else {
const nextStructLog = structLogs[idx + 1];
const gasCost = nextStructLog.gasCost;
return {
...structLog,
gasCost,
};
}
};
if (structLogs[0].depth === 1) {
// Geth uses 1-indexed depth counter whilst ganache starts from 0
const newStructLogs = _.map(structLogs, (structLog: StructLog, idx: number) => {
const newStructLog = {
...structLog,
depth: structLog.depth - 1,
};
if (newStructLog.op === OpCode.StaticCall) {
// HACK(leo): Geth traces sometimes returns those gas costs incorrectly as very big numbers so we manually fix them.
newStructLog.gasCost = STATICCALL_GAS_COST;
}
if (newStructLog.op === 'CALL') {
const HEX_BASE = 16;
const callAddress = parseInt(newStructLog.stack[0], HEX_BASE);
const MAX_REASONABLE_PRECOMPILE_ADDRESS = 100;
// HACK(leo): Geth traces sometimes returns those gas costs incorrectly as very big numbers so we manually fix them.
if (callAddress < MAX_REASONABLE_PRECOMPILE_ADDRESS) {
const nextStructLog = structLogs[idx + 1];
newStructLog.gasCost = structLog.gas - nextStructLog.gas;
} else {
newStructLog.gasCost = CALL_GAS_COST;
}
}
return newStructLog;
});
return newStructLogs;
normalizedStructLogs = _.map(structLogs, reduceDepthBy1);
normalizedStructLogs = _.map(structLogs, normalizeCallCost);
normalizedStructLogs = _.map(structLogs, normalizeStaticCallCost);
} else {
// Ganache shifts opcodes gas costs so we need to unshift them
normalizedStructLogs = _.map(structLogs, shiftGasCosts1Left);
}
return structLogs;
return normalizedStructLogs;
},
getRange(sourceCode: string, range: SingleFileSourceRange): string {
const lines = sourceCode.split('\n').slice(range.start.line - 1, range.end.line);