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Finished porting new abi encoder to contracts

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This commit is contained in:
Greg Hysen
2018-12-22 17:23:02 -08:00
parent 7991de9ed0
commit b06f8239e1
22 changed files with 38 additions and 9909 deletions
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27
packages/base-contract/src/index.ts
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@@ -91,10 +91,7 @@ export class BaseContract {
}
protected static _throwIfRevertWithReasonCallResult(rawCallResult: string): void {
if (rawCallResult.slice(REVERT_ERROR_SELECTOR_OFFSET, REVERT_ERROR_SELECTOR_END) === REVERT_ERROR_SELECTOR) {
const revertReason = ethers.utils.defaultAbiCoder.decode(
['string'],
ethers.utils.hexDataSlice(rawCallResult, REVERT_ERROR_SELECTOR_BYTES_LENGTH),
);
const revertReason = AbiEncoder.create('(string)').decode(ethers.utils.hexDataSlice(rawCallResult, REVERT_ERROR_SELECTOR_BYTES_LENGTH));
throw new Error(revertReason);
}
}
@@ -140,6 +137,28 @@ export class BaseContract {
}) as MethodAbi;
return methodAbi;
}
protected _strictEncodeArguments(functionSignature: string, functionArguments: any): string {
const abiEncoder = this._lookupAbiEncoder(functionSignature);
const inputAbi = abiEncoder.getDataItem().components;
if (inputAbi === undefined) {
throw new Error(`Undefined Method Input ABI`);
}
const params = abiUtils.parseEthersParams(inputAbi);
const rawEncoded = abiEncoder.encode(functionArguments);
const rawDecoded = abiEncoder.decodeAsArray(rawEncoded);
for (let i = 0; i < rawDecoded.length; i++) {
const original = functionArguments[i];
const decoded = rawDecoded[i];
if (!abiUtils.isAbiDataEqual(params.names[i], params.types[i], original, decoded)) {
throw new Error(
`Cannot safely encode argument: ${params.names[i]} (${original}) of type ${
params.types[i]
}. (Possible type overflow or other encoding error)`,
);
}
}
return rawEncoded;
}
constructor(
contractName: string,
abi: ContractAbi,