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-rw-r--r--src/contract_wrappers/exchange_wrapper.ts48
1 files changed, 26 insertions, 22 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index e824108de..20e3a6abc 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -18,7 +18,7 @@ import {
CreateContractEvent,
ContractEventObj,
EventCallback,
- ContractResponse, OrderCancellationRequest,
+ ContractResponse, OrderCancellationRequest, OrderFillRequest,
} from '../types';
import {assert} from '../utils/assert';
import {utils} from '../utils/utils';
@@ -125,53 +125,57 @@ export class ExchangeWrapper extends ContractWrapper {
return cancelledAmountInBaseUnits;
}
/**
- * Fills a signed order with a fillAmount denominated in baseUnits of the taker token.
+ * Fills a signed order with a takerTokenFillAmount denominated in baseUnits of the taker token.
* Since the order in which transactions are included in the next block is indeterminate, race-conditions
* could arise where a users balance or allowance changes before the fillOrder executes. Because of this,
* we allow you to specify `shouldCheckTransfer`. If true, the smart contract will not throw if while
* executing, the parties do not have sufficient balances/allowances, preserving gas costs. Setting it to
* false forgoes this check and causes the smart contract to throw instead.
*/
- public async fillOrderAsync(signedOrder: SignedOrder, fillTakerAmount: BigNumber.BigNumber,
+ public async fillOrderAsync(signedOrder: SignedOrder, takerTokenFillAmount: BigNumber.BigNumber,
shouldCheckTransfer: boolean, takerAddress: string): Promise<void> {
- await this.batchFillOrderAsync([signedOrder], [fillTakerAmount], shouldCheckTransfer, takerAddress);
+ await this.batchFillOrderAsync([{
+ signedOrder,
+ takerTokenFillAmount,
+ }], shouldCheckTransfer, takerAddress);
}
/**
* Batched version of fillOrderAsync. Executes fills atomically in a single transaction.
*/
- public async batchFillOrderAsync(signedOrders: SignedOrder[], fillTakerAmounts: BigNumber.BigNumber[],
+ public async batchFillOrderAsync(orderFillRequests: OrderFillRequest[],
shouldCheckTransfer: boolean, takerAddress: string): Promise<void> {
- assert.isSameLength('signedOrders', signedOrders, 'fillTakerAmounts', fillTakerAmounts);
- assert.assert(!_.isEmpty(signedOrders), 'Can not cancel an empty batch');
+ assert.assert(!_.isEmpty(orderFillRequests), 'Cannot fill an empty batch');
assert.isBoolean('shouldCheckTransfer', shouldCheckTransfer);
await assert.isSenderAddressAsync('takerAddress', takerAddress, this.web3Wrapper);
// _.zip doesn't type check if values have different types :'(
- const ordersAndAmounts = _.zip<any>(signedOrders, fillTakerAmounts);
- _.forEach(ordersAndAmounts,
- async ([signedOrder, fillTakerAmount]: [SignedOrder, BigNumber.BigNumber]) => {
+ _.forEach(orderFillRequests,
+ async (orderFillRequest: OrderFillRequest) => {
assert.doesConformToSchema('signedOrder',
- SchemaValidator.convertToJSONSchemaCompatibleObject(signedOrder as object), signedOrderSchema);
- assert.isBigNumber('fillTakerAmount', fillTakerAmount);
- await this.validateFillOrderAndThrowIfInvalidAsync(signedOrder, fillTakerAmount, takerAddress);
+ SchemaValidator.convertToJSONSchemaCompatibleObject(orderFillRequest.signedOrder as object),
+ signedOrderSchema);
+ assert.isBigNumber('takerTokenFillAmount', orderFillRequest.takerTokenFillAmount);
+ await this.validateFillOrderAndThrowIfInvalidAsync(
+ orderFillRequest.signedOrder, orderFillRequest.takerTokenFillAmount, takerAddress);
});
const exchangeInstance = await this.getExchangeContractAsync();
- const orderAddressesValuesAndSignatureArray = _.map(signedOrders, signedOrder => {
+ const orderAddressesValuesAmountsAndSignatureArray = _.map(orderFillRequests, orderFillRequest => {
return [
- ...ExchangeWrapper.getOrderAddressesAndValues(signedOrder),
- signedOrder.ecSignature.v,
- signedOrder.ecSignature.r,
- signedOrder.ecSignature.s,
+ ...ExchangeWrapper.getOrderAddressesAndValues(orderFillRequest.signedOrder),
+ orderFillRequest.takerTokenFillAmount,
+ orderFillRequest.signedOrder.ecSignature.v,
+ orderFillRequest.signedOrder.ecSignature.r,
+ orderFillRequest.signedOrder.ecSignature.s,
];
});
// _.unzip doesn't type check if values have different types :'(
- const [orderAddressesArray, orderValuesArray, vArray, rArray, sArray] = _.unzip<any>(
- orderAddressesValuesAndSignatureArray,
+ const [orderAddressesArray, orderValuesArray, takerTokenFillAmountArray, vArray, rArray, sArray] = _.unzip<any>(
+ orderAddressesValuesAmountsAndSignatureArray,
);
const gas = await exchangeInstance.batchFill.estimateGas(
orderAddressesArray,
orderValuesArray,
- fillTakerAmounts,
+ takerTokenFillAmountArray,
shouldCheckTransfer,
vArray,
rArray,
@@ -183,7 +187,7 @@ export class ExchangeWrapper extends ContractWrapper {
const response: ContractResponse = await exchangeInstance.batchFill(
orderAddressesArray,
orderValuesArray,
- fillTakerAmounts,
+ takerTokenFillAmountArray,
shouldCheckTransfer,
vArray,
rArray,