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Remove ContractDoesNotExist error and replace it with more specific errors

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This commit is contained in:
Leonid Logvinov 2017-11-23 14:29:49 -06:00
parent 8c54e9a873
commit c780d04cee
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GPG Key ID: 0DD294BFDE8C95D4
3 changed files with 21 additions and 6 deletions
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8
packages/0x.js/src/types.ts
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@ -2,9 +2,12 @@ import BigNumber from 'bignumber.js';
import * as Web3 from 'web3';
export enum ZeroExError {
ContractDoesNotExist = 'CONTRACT_DOES_NOT_EXIST',
ExchangeContractDoesNotExist = 'EXCHANGE_CONTRACT_DOES_NOT_EXIST',
ZRXContractDoesNotExist = 'ZRX_CONTRACT_DOES_NOT_EXIST',
EtherTokenContractDoesNotExist = 'ETHER_TOKEN_CONTRACT_DOES_NOT_EXIST',
TokenTransferProxyContractDoesNotExist = 'TOKEN_TRANSFER_PROXY_CONTRACT_DOES_NOT_EXIST',
TokenRegistryContractDoesNotExist = 'TOKEN_REGISTRY_CONTRACT_DOES_NOT_EXIST',
TokenContractDoesNotExist = 'TOKEN_CONTRACT_DOES_NOT_EXIST',
UnhandledError = 'UNHANDLED_ERROR',
UserHasNoAssociatedAddress = 'USER_HAS_NO_ASSOCIATED_ADDRESSES',
InvalidSignature = 'INVALID_SIGNATURE',
@ -443,7 +446,10 @@ export interface TransactionReceiptWithDecodedLogs extends TransactionReceipt {
logs: Array<LogWithDecodedArgs<DecodedLogArgs>|Web3.LogEntry>;
}
export type ArtifactContractName = 'ZRX'|'TokenTransferProxy'|'TokenRegistry'|'Token'|'Exchange'|'EtherToken';
export interface Artifact {
contract_name: ArtifactContractName;
abi: Web3.ContractAbi;
networks: {
[networkId: number]: {

13
packages/0x.js/src/web3_wrapper.ts
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@ -4,7 +4,7 @@ import * as _ from 'lodash';
import * as Web3 from 'web3';
import {Contract} from './contract';
import {Artifact, TransactionReceipt, ZeroExError} from './types';
import {Artifact, ArtifactContractName, TransactionReceipt, ZeroExError} from './types';
interface RawLogEntry {
logIndex: string|null;
@ -17,6 +17,15 @@ interface RawLogEntry {
topics: string[];
}
const CONTRACT_NAME_TO_NOT_FOUND_ERROR: {[contractName: string]: ZeroExError} = {
ZRX: ZeroExError.ZRXContractDoesNotExist,
EtherToken: ZeroExError.EtherTokenContractDoesNotExist,
Token: ZeroExError.TokenContractDoesNotExist,
TokenRegistry: ZeroExError.TokenRegistryContractDoesNotExist,
TokenTransferProxy: ZeroExError.TokenTransferProxyContractDoesNotExist,
Exchange: ZeroExError.ExchangeContractDoesNotExist,
};
export class Web3Wrapper {
private web3: Web3;
private networkId: number;
@ -77,7 +86,7 @@ export class Web3Wrapper {
}
const doesContractExist = await this.doesContractExistAtAddressAsync(contractAddress);
if (!doesContractExist) {
throw new Error(ZeroExError.ContractDoesNotExist);
throw new Error(CONTRACT_NAME_TO_NOT_FOUND_ERROR[artifact.contract_name]);
}
const contractInstance = this.getContractInstance<A>(
artifact.abi, contractAddress,

6
packages/0x.js/test/token_wrapper_test.ts
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@ -86,7 +86,7 @@ describe('TokenWrapper', () => {
const toAddress = coinbase;
return expect(zeroEx.token.transferAsync(
nonExistentTokenAddress, fromAddress, toAddress, transferAmount,
)).to.be.rejectedWith(ZeroExError.ContractDoesNotExist);
)).to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist);
});
});
describe('#transferFromAsync', () => {
@ -159,7 +159,7 @@ describe('TokenWrapper', () => {
const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065';
return expect(zeroEx.token.transferFromAsync(
nonExistentTokenAddress, fromAddress, toAddress, senderAddress, new BigNumber(42),
)).to.be.rejectedWith(ZeroExError.ContractDoesNotExist);
)).to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist);
});
});
describe('#getBalanceAsync', () => {
@ -175,7 +175,7 @@ describe('TokenWrapper', () => {
const nonExistentTokenAddress = '0x9dd402f14d67e001d8efbe6583e51bf9706aa065';
const ownerAddress = coinbase;
return expect(zeroEx.token.getBalanceAsync(nonExistentTokenAddress, ownerAddress))
.to.be.rejectedWith(ZeroExError.ContractDoesNotExist);
.to.be.rejectedWith(ZeroExError.TokenContractDoesNotExist);
});
it('should return a balance of 0 for a non-existent owner address', async () => {
const token = tokens[0];