diff options
author | Leonid <logvinov.leon@gmail.com> | 2017-06-09 23:07:11 +0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-06-09 23:07:11 +0800 |
commit | 603d7c56d3466206cb79205e47168f9ec81ec0fe (patch) | |
tree | cf86fee32962ab3e8a62503912f88a70f1d6204b /src/contract_wrappers/exchange_wrapper.ts | |
parent | b4f3a889b360a515dc0672e60c831a6b89c23fdf (diff) | |
parent | 3a9d07c40ce2e26203962487036132d6357ec530 (diff) | |
download | dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.tar dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.tar.gz dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.tar.bz2 dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.tar.lz dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.tar.xz dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.tar.zst dexon-0x-contracts-603d7c56d3466206cb79205e47168f9ec81ec0fe.zip |
Merge branch 'master' into json-schema
Diffstat (limited to 'src/contract_wrappers/exchange_wrapper.ts')
-rw-r--r-- | src/contract_wrappers/exchange_wrapper.ts | 75 |
1 files changed, 71 insertions, 4 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts index 438255260..c7d0f2e84 100644 --- a/src/contract_wrappers/exchange_wrapper.ts +++ b/src/contract_wrappers/exchange_wrapper.ts @@ -28,6 +28,7 @@ import {utils} from '../utils/utils'; import {ContractWrapper} from './contract_wrapper'; import * as ExchangeArtifacts from '../artifacts/Exchange.json'; import {ecSignatureSchema} from '../schemas/ec_signature_schema'; +import {signedOrdersSchema} from '../schemas/signed_orders_schema'; import {orderFillRequestsSchema} from '../schemas/order_fill_requests_schema'; import {orderCancellationRequestsSchema} from '../schemas/order_cancel_schema'; import {orderFillOrKillRequestsSchema} from '../schemas/order_fill_or_kill_requests_schema'; @@ -160,6 +161,72 @@ export class ExchangeWrapper extends ContractWrapper { this.throwErrorLogsAsErrors(response.logs); } /** + * Sequentially and atomically fills signedOrders up to the specified takerTokenFillAmount. + * If the fill amount is reached - it succeeds and does not fill the rest of the orders. + * If fill amount is not reached - it fills as much of the fill amount as possible and succeeds. + */ + public async fillOrdersUpToAsync(signedOrders: SignedOrder[], takerTokenFillAmount: BigNumber.BigNumber, + shouldCheckTransfer: boolean, takerAddress: string): Promise<void> { + const takerTokenAddresses = _.map(signedOrders, signedOrder => signedOrder.takerTokenAddress); + assert.hasAtMostOneUniqueValue(takerTokenAddresses, + ExchangeContractErrs.MULTIPLE_TAKER_TOKENS_IN_FILL_UP_TO_DISALLOWED); + assert.isBigNumber('takerTokenFillAmount', takerTokenFillAmount); + assert.isBoolean('shouldCheckTransfer', shouldCheckTransfer); + assert.doesConformToSchema( + 'signedOrders', SchemaValidator.convertToJSONSchemaCompatibleObject(signedOrders), signedOrdersSchema + ); + await assert.isSenderAddressAsync('takerAddress', takerAddress, this.web3Wrapper); + _.forEach(signedOrders, + async (signedOrder: SignedOrder, i: number) => { + await this.validateFillOrderAndThrowIfInvalidAsync( + signedOrder, takerTokenFillAmount, takerAddress); + }); + if (_.isEmpty(signedOrders)) { + return; // no-op + } + + const orderAddressesValuesAndSignatureArray = _.map(signedOrders, signedOrder => { + return [ + ...ExchangeWrapper.getOrderAddressesAndValues(signedOrder), + signedOrder.ecSignature.v, + signedOrder.ecSignature.r, + signedOrder.ecSignature.s, + ]; + }); + // We use _.unzip<any> because _.unzip doesn't type check if values have different types :'( + const [orderAddressesArray, orderValuesArray, vArray, rArray, sArray] = _.unzip<any>( + orderAddressesValuesAndSignatureArray, + ); + + const exchangeInstance = await this.getExchangeContractAsync(); + const gas = await exchangeInstance.fillUpTo.estimateGas( + orderAddressesArray, + orderValuesArray, + takerTokenFillAmount, + shouldCheckTransfer, + vArray, + rArray, + sArray, + { + from: takerAddress, + }, + ); + const response: ContractResponse = await exchangeInstance.fillUpTo( + orderAddressesArray, + orderValuesArray, + takerTokenFillAmount, + shouldCheckTransfer, + vArray, + rArray, + sArray, + { + from: takerAddress, + gas, + }, + ); + this.throwErrorLogsAsErrors(response.logs); + } + /** * Batch version of fillOrderAsync. * Executes multiple fills atomically in a single transaction. * If shouldCheckTransfer is set to true, it will continue filling subsequent orders even when earlier ones fail. @@ -354,11 +421,8 @@ export class ExchangeWrapper extends ContractWrapper { * All orders must be from the same maker. */ public async batchCancelOrderAsync(orderCancellationRequests: OrderCancellationRequest[]): Promise<void> { - if (_.isEmpty(orderCancellationRequests)) { - return; // no-op - } const makers = _.map(orderCancellationRequests, cancellationRequest => cancellationRequest.order.maker); - assert.assert(_.uniq(makers).length === 1, ExchangeContractErrs.MULTIPLE_MAKERS_IN_SINGLE_CANCEL_BATCH); + assert.hasAtMostOneUniqueValue(makers, ExchangeContractErrs.MULTIPLE_MAKERS_IN_SINGLE_CANCEL_BATCH_DISALLOWED); const maker = makers[0]; await assert.isSenderAddressAsync('maker', maker, this.web3Wrapper); assert.doesConformToSchema('orderCancellationRequests', orderCancellationRequests, orderCancellationRequestsSchema); @@ -366,6 +430,9 @@ export class ExchangeWrapper extends ContractWrapper { await this.validateCancelOrderAndThrowIfInvalidAsync( cancellationRequest.order, cancellationRequest.takerTokenCancelAmount, ); + }; + if (_.isEmpty(orderCancellationRequests)) { + return; // no-op } const exchangeInstance = await this.getExchangeContractAsync(); const orderAddressesValuesAndTakerTokenCancelAmounts = _.map(orderCancellationRequests, cancellationRequest => { |