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-rw-r--r--src/contract_wrappers/exchange_wrapper.ts62
1 files changed, 51 insertions, 11 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 65a873a9f..48bfa9edb 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -79,6 +79,8 @@ export class ExchangeWrapper extends ContractWrapper {
* Returns the unavailable takerAmount of an order. Unavailable amount is defined as the total
* amount that has been filled or cancelled. The remaining takerAmount can be calculated by
* subtracting the unavailable amount from the total order takerAmount.
+ * @param orderHashHex The hex encoded orderHash for which you would like to retrieve the unavailable takerAmount.
+ * @return The amount of the order (in taker tokens) that has either been filled or canceled.
*/
public async getUnavailableTakerAmountAsync(orderHashHex: string): Promise<BigNumber.BigNumber> {
assert.isValidOrderHash('orderHashHex', orderHashHex);
@@ -91,6 +93,8 @@ export class ExchangeWrapper extends ContractWrapper {
}
/**
* Retrieve the takerAmount of an order that has already been filled.
+ * @param orderHashHex The hex encoded orderHash for which you would like to retrieve the filled takerAmount.
+ * @return The amount of the order (in taker tokens) that has already been filled.
*/
public async getFilledTakerAmountAsync(orderHashHex: string): Promise<BigNumber.BigNumber> {
assert.isValidOrderHash('orderHashHex', orderHashHex);
@@ -103,6 +107,8 @@ export class ExchangeWrapper extends ContractWrapper {
}
/**
* Retrieve the takerAmount of an order that has been cancelled.
+ * @param orderHashHex The hex encoded orderHash for which you would like to retrieve the cancelled takerAmount.
+ * @return The amount of the order (in taker tokens) that has been cancelled.
*/
public async getCanceledTakerAmountAsync(orderHashHex: string): Promise<BigNumber.BigNumber> {
assert.isValidOrderHash('orderHashHex', orderHashHex);
@@ -119,7 +125,13 @@ export class ExchangeWrapper extends ContractWrapper {
* 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.
+ * false forgoes this check and causes the smart contract to throw (using all the gas supplied) instead.
+ * @param signedOrder A JS object that conforms to the SignedOrder interface.
+ * @param takerTokenFillAmount The amount of the order (in taker tokens baseUnits) that you wish to fill.
+ * @param shouldCheckTransfer Whether or not you wish for the contract call to throw if upon
+ * 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.
*/
public async fillOrderAsync(signedOrder: SignedOrder, takerTokenFillAmount: BigNumber.BigNumber,
shouldCheckTransfer: boolean, takerAddress: string): Promise<void> {
@@ -164,6 +176,13 @@ export class ExchangeWrapper extends ContractWrapper {
* 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.
+ * @param signedOrders The array of signedOrders that you would like to fill until takerTokenFillAmount is reached.
+ * @param takerTokenFillAmount The total amount of the takerTokens you would like to fill.
+ * @param shouldCheckTransfer Whether or not you wish for the contract call to throw if upon
+ * execution any of the tokens cannot be transferred. If set to false, the call will continue to fill subsequent
+ * signedOrders even when some cannot be filled.
+ * @param takerAddress The user Ethereum address who would like to fill these orders. Must be available via the
+ * supplied Web3.Provider passed to 0x.js.
*/
public async fillOrdersUpToAsync(signedOrders: SignedOrder[], takerTokenFillAmount: BigNumber.BigNumber,
shouldCheckTransfer: boolean, takerAddress: string): Promise<void> {
@@ -228,6 +247,12 @@ export class ExchangeWrapper extends ContractWrapper {
* 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.
* When shouldCheckTransfer is set to false, if any fill fails, the entire batch fails.
+ * @param orderFillRequests An array of JS objects that conform to the OrderFillRequest interface.
+ * @param shouldCheckTransfer Whether or not you wish for the contract call to throw if upon
+ * execution any of the tokens cannot be transferred. If set to false, the call will continue to fill subsequent
+ * signedOrders even when some cannot be filled.
+ * @param takerAddress The user Ethereum address who would like to fill these orders. Must be available via the
+ * supplied Web3.Provider passed to 0x.js.
*/
public async batchFillOrderAsync(orderFillRequests: OrderFillRequest[],
shouldCheckTransfer: boolean, takerAddress: string): Promise<void> {
@@ -287,25 +312,29 @@ export class ExchangeWrapper extends ContractWrapper {
/**
* Attempts to fill a specific amount of an order. If the entire amount specified cannot be filled,
* the fill order is abandoned.
+ * @param signedOrder A JS object that conforms to the SignedOrder interface. The signedOrder you wish to fill.
+ * @param takerTokenFillAmount The total amount of the takerTokens you would like to fill.
+ * @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.
*/
- public async fillOrKillOrderAsync(signedOrder: SignedOrder, fillTakerAmount: BigNumber.BigNumber,
- takerAddress: string) {
+ public async fillOrKillOrderAsync(signedOrder: SignedOrder, takerTokenFillAmount: BigNumber.BigNumber,
+ takerAddress: string): Promise<void> {
assert.doesConformToSchema('signedOrder', signedOrder, signedOrderSchema);
- assert.isBigNumber('fillTakerAmount', fillTakerAmount);
+ assert.isBigNumber('takerTokenFillAmount', takerTokenFillAmount);
await assert.isSenderAddressAsync('takerAddress', takerAddress, this.web3Wrapper);
const exchangeInstance = await this.getExchangeContractAsync();
- await this.validateFillOrderAndThrowIfInvalidAsync(signedOrder, fillTakerAmount, takerAddress);
+ await this.validateFillOrderAndThrowIfInvalidAsync(signedOrder, takerTokenFillAmount, takerAddress);
await this.validateFillOrKillOrderAndThrowIfInvalidAsync(signedOrder, exchangeInstance.address,
- fillTakerAmount);
+ takerTokenFillAmount);
const [orderAddresses, orderValues] = ExchangeWrapper.getOrderAddressesAndValues(signedOrder);
const gas = await exchangeInstance.fillOrKill.estimateGas(
orderAddresses,
orderValues,
- fillTakerAmount,
+ takerTokenFillAmount,
signedOrder.ecSignature.v,
signedOrder.ecSignature.r,
signedOrder.ecSignature.s,
@@ -316,7 +345,7 @@ export class ExchangeWrapper extends ContractWrapper {
const response: ContractResponse = await exchangeInstance.fillOrKill(
orderAddresses,
orderValues,
- fillTakerAmount,
+ takerTokenFillAmount,
signedOrder.ecSignature.v,
signedOrder.ecSignature.r,
signedOrder.ecSignature.s,
@@ -330,9 +359,12 @@ export class ExchangeWrapper extends ContractWrapper {
/**
* Batch version of fillOrKill. Allows a taker to specify a batch of orders that will either be atomically
* filled (each to the specified fillAmount) or aborted.
+ * @param orderFillOrKillRequests An array of JS objects that conform to the OrderFillOrKillRequest interface.
+ * @param takerAddress The user Ethereum address who would like to fill there orders. Must be available via the
+ * supplied Web3.Provider passed to 0x.js.
*/
public async batchFillOrKillAsync(orderFillOrKillRequests: OrderFillOrKillRequest[],
- takerAddress: string) {
+ takerAddress: string): Promise<void> {
await assert.isSenderAddressAsync('takerAddress', takerAddress, this.web3Wrapper);
assert.doesConformToSchema('orderFillOrKillRequests', orderFillOrKillRequests, orderFillOrKillRequestsSchema);
const exchangeInstance = await this.getExchangeContractAsync();
@@ -415,13 +447,15 @@ export class ExchangeWrapper extends ContractWrapper {
/**
* Batch version of cancelOrderAsync. Atomically cancels multiple orders in a single transaction.
* All orders must be from the same maker.
+ * @param orderCancellationRequests An array of JS objects that conform to the OrderCancellationRequest interface.
*/
public async batchCancelOrderAsync(orderCancellationRequests: OrderCancellationRequest[]): Promise<void> {
const makers = _.map(orderCancellationRequests, cancellationRequest => cancellationRequest.order.maker);
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);
+ assert.doesConformToSchema('orderCancellationRequests', orderCancellationRequests,
+ orderCancellationRequestsSchema);
for (const cancellationRequest of orderCancellationRequests) {
await this.validateCancelOrderAndThrowIfInvalidAsync(
cancellationRequest.order, cancellationRequest.takerTokenCancelAmount,
@@ -461,9 +495,15 @@ export class ExchangeWrapper extends ContractWrapper {
}
/**
* Subscribe to an event type emitted by the Exchange smart contract
+ * @param eventName The exchange contract event you would like to subscribe to.
+ * @param subscriptionOpts Subscriptions options that let you configure the subscription.
+ * @param indexFilterValues A JS object where the keys are indexed args returned by the event and
+ * the value is the value you are interested in. E.g `{maker: aUserAddressHex}`
+ * @param callback The callback that will be called everytime a matching event is found.
*/
public async subscribeAsync(eventName: ExchangeEvents, subscriptionOpts: SubscriptionOpts,
- indexFilterValues: IndexFilterValues, callback: EventCallback) {
+ indexFilterValues: IndexFilterValues, callback: EventCallback):
+ Promise<void> {
const exchangeContract = await this.getExchangeContractAsync();
let createLogEvent: CreateContractEvent;
switch (eventName) {