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author | Fabio Berger <me@fabioberger.com> | 2017-05-26 01:47:11 +0800 |
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committer | Fabio Berger <me@fabioberger.com> | 2017-05-26 01:47:11 +0800 |
commit | bc8fc534332b5ea82f881bdd3a75773384714f4d (patch) | |
tree | 2e50db69032c0c5e8817db34f5a3db34ee088589 /src/ts/contract_wrappers/exchange_wrapper.ts | |
parent | 74e7dc46b4ba8b3931a1cdf4dc7f55670219e324 (diff) | |
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Add initial exchange contract function, set up web3Wrapper, added types and utils
Diffstat (limited to 'src/ts/contract_wrappers/exchange_wrapper.ts')
-rw-r--r-- | src/ts/contract_wrappers/exchange_wrapper.ts | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/ts/contract_wrappers/exchange_wrapper.ts b/src/ts/contract_wrappers/exchange_wrapper.ts new file mode 100644 index 000000000..502a1089b --- /dev/null +++ b/src/ts/contract_wrappers/exchange_wrapper.ts @@ -0,0 +1,37 @@ +import * as _ from 'lodash'; +import {Web3Wrapper} from '../web3_wrapper'; +import {ECSignature, ZeroExError, ExchangeContract} from '../types'; +import {assert} from '../utils/assert'; +import {ContractWrapper} from './contract_wrapper'; +import * as ExchangeArtifacts from '../artifacts/Exchange.json'; +import {ECSignatureSchema} from '../schemas/ec_signature_schema'; + +export class ExchangeWrapper extends ContractWrapper { + constructor(web3Wrapper: Web3Wrapper) { + super(web3Wrapper); + } + public async isValidSignatureAsync(maker: string, ecSignature: ECSignature, dataHex: string) { + assert.isString('maker', maker); + assert.doesConformToSchema('ecSignature', ecSignature, ECSignatureSchema); + assert.isHexString('dataHex', dataHex); + + const senderAddressIfExists = this.web3Wrapper.getSenderAddressIfExistsAsync(); + assert.assert(!_.isUndefined(senderAddressIfExists), ZeroExError.USER_HAS_NO_ASSOCIATED_ADDRESSES); + + // TODO: remove any here + const contractInstance = await this.instantiateContractIfExistsAsync((ExchangeArtifacts as any)); + const exchangeInstance = contractInstance as ExchangeContract; + + const isValidSignature = await exchangeInstance.isValidSignature.call( + maker, + dataHex, + ecSignature.v, + ecSignature.r, + ecSignature.s, + { + from: senderAddressIfExists, + }, + ); + return isValidSignature; + } +} |