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authorJacob Evans <dekz@dekz.net>2018-04-12 08:20:52 +0800
committerGitHub <noreply@github.com>2018-04-12 08:20:52 +0800
commitbe73084e04264d44cfbd7cf6b8ba3a993368133d (patch)
tree68fc540971871fd99d0977957ac20132d6efed60 /packages/base-contract/src/index.ts
parent63b941fbaf08167234cf7871e874c1a96e4347fa (diff)
parent5eb90697c824f1c98467cdb6cd71dbb94ff70805 (diff)
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Merge branch 'development' into feature/subproviders/mnemonic-wallet-subprovider
Diffstat (limited to 'packages/base-contract/src/index.ts')
-rw-r--r--packages/base-contract/src/index.ts48
1 files changed, 44 insertions, 4 deletions
diff --git a/packages/base-contract/src/index.ts b/packages/base-contract/src/index.ts
index bba686f8b..bfa99fac1 100644
--- a/packages/base-contract/src/index.ts
+++ b/packages/base-contract/src/index.ts
@@ -1,13 +1,26 @@
-import { ContractAbi, DataItem, Provider, TxData, TxDataPayable } from '@0xproject/types';
-import { BigNumber } from '@0xproject/utils';
+import {
+ AbiDefinition,
+ AbiType,
+ ContractAbi,
+ DataItem,
+ MethodAbi,
+ Provider,
+ TxData,
+ TxDataPayable,
+} from '@0xproject/types';
+import { abiUtils, BigNumber } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as ethersContracts from 'ethers-contracts';
import * as _ from 'lodash';
import { formatABIDataItem } from './utils';
+export interface EthersInterfaceByFunctionSignature {
+ [key: string]: ethersContracts.Interface;
+}
+
export class BaseContract {
- protected _ethersInterface: ethersContracts.Interface;
+ protected _ethersInterfacesByFunctionSignature: EthersInterfaceByFunctionSignature;
protected _web3Wrapper: Web3Wrapper;
public abi: ContractAbi;
public address: string;
@@ -49,10 +62,37 @@ export class BaseContract {
}
return txDataWithDefaults;
}
+ protected _lookupEthersInterface(functionSignature: string): ethersContracts.Interface {
+ const ethersInterface = this._ethersInterfacesByFunctionSignature[functionSignature];
+ if (_.isUndefined(ethersInterface)) {
+ throw new Error(`Failed to lookup method with function signature '${functionSignature}'`);
+ }
+ return ethersInterface;
+ }
+ protected _lookupAbi(functionSignature: string): MethodAbi {
+ const methodAbi = _.find(this.abi, (abiDefinition: AbiDefinition) => {
+ if (abiDefinition.type !== AbiType.Function) {
+ return false;
+ }
+ const abiFunctionSignature = abiUtils.getFunctionSignature(abiDefinition);
+ if (abiFunctionSignature === functionSignature) {
+ return true;
+ }
+ return false;
+ }) as MethodAbi;
+ return methodAbi;
+ }
constructor(abi: ContractAbi, address: string, provider: Provider, defaults?: Partial<TxData>) {
this._web3Wrapper = new Web3Wrapper(provider, defaults);
this.abi = abi;
this.address = address;
- this._ethersInterface = new ethersContracts.Interface(abi);
+ const methodAbis = this.abi.filter(
+ (abiDefinition: AbiDefinition) => abiDefinition.type === AbiType.Function,
+ ) as MethodAbi[];
+ this._ethersInterfacesByFunctionSignature = {};
+ _.each(methodAbis, methodAbi => {
+ const functionSignature = abiUtils.getFunctionSignature(methodAbi);
+ this._ethersInterfacesByFunctionSignature[functionSignature] = new ethersContracts.Interface([methodAbi]);
+ });
}
}