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-rw-r--r--src/contract_wrappers/exchange_wrapper.ts7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 6d42dc110..1044362a2 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -27,6 +27,7 @@ import {
OrderCancellationRequest,
OrderFillRequest,
LogErrorContractEventArgs,
+ LogFillContractEventArgs,
} from '../types';
import {assert} from '../utils/assert';
import {utils} from '../utils/utils';
@@ -144,10 +145,11 @@ export class ExchangeWrapper extends ContractWrapper {
* execution the tokens cannot be transferred.
* @param takerAddress The user Ethereum address who would like to fill this order.
* Must be available via the supplied Web3.Provider passed to 0x.js.
+ * @return The amount of the order (in taker tokens baseUnits) that was filled.
*/
@decorators.contractCallErrorHandler
public async fillOrderAsync(signedOrder: SignedOrder, takerTokenFillAmount: BigNumber.BigNumber,
- shouldCheckTransfer: boolean, takerAddress: string): Promise<void> {
+ shouldCheckTransfer: boolean, takerAddress: string): Promise<BigNumber.BigNumber> {
assert.doesConformToSchema('signedOrder', signedOrder, signedOrderSchema);
assert.isBigNumber('takerTokenFillAmount', takerTokenFillAmount);
assert.isBoolean('shouldCheckTransfer', shouldCheckTransfer);
@@ -184,6 +186,9 @@ export class ExchangeWrapper extends ContractWrapper {
},
);
this._throwErrorLogsAsErrors(response.logs);
+ const logFillArgs = response.logs[0].args as LogFillContractEventArgs;
+ const filledAmount = new BigNumber(logFillArgs.filledValueT);
+ return filledAmount;
}
/**
* Sequentially and atomically fills signedOrders up to the specified takerTokenFillAmount.