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authorGreg Hysen <greg.hysen@gmail.com>2018-12-23 09:23:02 +0800
committerGreg Hysen <greg.hysen@gmail.com>2019-01-15 02:49:44 +0800
commitb06f8239e1fe75703f88d34c0d225701406e28c2 (patch)
tree9beb83b64b37fb6ad67d066f089b868a8ad25fcb /packages/base-contract/src
parent7991de9ed0b5f1e8a38097d902eae09cc6b5cf11 (diff)
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Finished porting new abi encoder to contracts
Diffstat (limited to 'packages/base-contract/src')
-rw-r--r--packages/base-contract/src/index.ts27
1 files changed, 23 insertions, 4 deletions
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index 2fd50b941..aeb90e6f7 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -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,