aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorFabio Berger <me@fabioberger.com>2017-06-08 17:26:46 +0800
committerFabio Berger <me@fabioberger.com>2017-06-08 17:26:46 +0800
commit6e97489c1af02ad584b01f62a3eadf676cc82b2b (patch)
treeea2b7f8b0ad3a81fd94064ef255b8e11c190ae05 /src
parent8ab80914e01ce67020ee2c94e6390309ca1b850f (diff)
parentc6645f9f4f470323086d9004cf603a68091d71a3 (diff)
downloaddexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.tar
dexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.tar.gz
dexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.tar.bz2
dexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.tar.lz
dexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.tar.xz
dexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.tar.zst
dexon-sol-tools-6e97489c1af02ad584b01f62a3eadf676cc82b2b.zip
Merge branch 'master' into batchFillOrKill
# Conflicts: # src/types.ts
Diffstat (limited to 'src')
-rw-r--r--src/contract_wrappers/exchange_wrapper.ts58
-rw-r--r--src/types.ts12
2 files changed, 68 insertions, 2 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 901ea4749..74928def0 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -20,6 +20,7 @@ import {
ContractEventObj,
EventCallback,
ContractResponse,
+ OrderCancellationRequest,
} from '../types';
import {assert} from '../utils/assert';
import {utils} from '../utils/utils';
@@ -278,8 +279,8 @@ export class ExchangeWrapper extends ContractWrapper {
/**
* Cancel a given fill amount of an order. Cancellations are cumulative.
*/
- public async cancelOrderAsync(order: Order|SignedOrder, takerTokenCancelAmount: BigNumber.BigNumber):
- Promise<void> {
+ public async cancelOrderAsync(
+ order: Order|SignedOrder, takerTokenCancelAmount: BigNumber.BigNumber): Promise<void> {
assert.doesConformToSchema('order',
SchemaValidator.convertToJSONSchemaCompatibleObject(order as object),
orderSchema);
@@ -310,6 +311,59 @@ export class ExchangeWrapper extends ContractWrapper {
this.throwErrorLogsAsErrors(response.logs);
}
/**
+ * Batch version of cancelOrderAsync. Atomically cancels multiple orders in a single transaction.
+ * 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);
+ const maker = makers[0];
+ await assert.isSenderAddressAvailableAsync(this.web3Wrapper, 'maker', maker);
+ _.forEach(orderCancellationRequests,
+ async (cancellationRequest: OrderCancellationRequest, i: number) => {
+ assert.doesConformToSchema(`orderCancellationRequests[${i}].order`,
+ SchemaValidator.convertToJSONSchemaCompatibleObject(cancellationRequest.order as object), orderSchema,
+ );
+ assert.isBigNumber(`orderCancellationRequests[${i}].takerTokenCancelAmount`,
+ cancellationRequest.takerTokenCancelAmount,
+ );
+ await this.validateCancelOrderAndThrowIfInvalidAsync(
+ cancellationRequest.order, cancellationRequest.takerTokenCancelAmount,
+ );
+ });
+ const exchangeInstance = await this.getExchangeContractAsync();
+ const orderAddressesValuesAndTakerTokenCancelAmounts = _.map(orderCancellationRequests, cancellationRequest => {
+ return [
+ ...ExchangeWrapper.getOrderAddressesAndValues(cancellationRequest.order),
+ cancellationRequest.takerTokenCancelAmount,
+ ];
+ });
+ // We use _.unzip<any> because _.unzip doesn't type check if values have different types :'(
+ const [orderAddresses, orderValues, takerTokenCancelAmounts] =
+ _.unzip<any>(orderAddressesValuesAndTakerTokenCancelAmounts);
+ const gas = await exchangeInstance.batchCancel.estimateGas(
+ orderAddresses,
+ orderValues,
+ takerTokenCancelAmounts,
+ {
+ from: maker,
+ },
+ );
+ const response: ContractResponse = await exchangeInstance.batchCancel(
+ orderAddresses,
+ orderValues,
+ takerTokenCancelAmounts,
+ {
+ from: maker,
+ gas,
+ },
+ );
+ this.throwErrorLogsAsErrors(response.logs);
+ }
+ /**
* Subscribe to an event type emitted by the Exchange smart contract
*/
public async subscribeAsync(eventName: ExchangeEvents, subscriptionOpts: SubscriptionOpts,
diff --git a/src/types.ts b/src/types.ts
index d19fb2d43..55bab6282 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -74,6 +74,12 @@ export interface ExchangeContract extends ContractInstance {
estimateGas: (orderAddresses: OrderAddresses, orderValues: OrderValues, cancelAmount: BigNumber.BigNumber,
txOpts?: TxOpts) => number;
};
+ batchCancel: {
+ (orderAddresses: OrderAddresses[], orderValues: OrderValues[], cancelAmount: BigNumber.BigNumber[],
+ txOpts?: TxOpts): ContractResponse;
+ estimateGas: (orderAddresses: OrderAddresses[], orderValues: OrderValues[], cancelAmount: BigNumber.BigNumber[],
+ txOpts?: TxOpts) => number;
+ };
fillOrKill: {
(orderAddresses: OrderAddresses, orderValues: OrderValues, fillAmount: BigNumber.BigNumber,
v: number, r: string, s: string, txOpts?: TxOpts): ContractResponse;
@@ -151,6 +157,7 @@ export const ExchangeContractErrs = strEnum([
'INSUFFICIENT_MAKER_FEE_BALANCE',
'INSUFFICIENT_MAKER_FEE_ALLOWANCE',
'TRANSACTION_SENDER_IS_NOT_FILL_ORDER_TAKER',
+ 'MULTIPLE_MAKERS_IN_SINGLE_CANCEL_BATCH',
'INSUFFICIENT_REMAINING_FILL_AMOUNT',
]);
export type ExchangeContractErrs = keyof typeof ExchangeContractErrs;
@@ -233,3 +240,8 @@ export interface OrderFillOrKillRequest {
signedOrder: SignedOrder;
fillTakerAmount: BigNumber.BigNumber;
}
+
+export interface OrderCancellationRequest {
+ order: Order|SignedOrder;
+ takerTokenCancelAmount: BigNumber.BigNumber;
+}