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-rw-r--r--src/contract_wrappers/exchange_wrapper.ts18
1 files changed, 11 insertions, 7 deletions
diff --git a/src/contract_wrappers/exchange_wrapper.ts b/src/contract_wrappers/exchange_wrapper.ts
index 54d7f62d5..b6c82a5aa 100644
--- a/src/contract_wrappers/exchange_wrapper.ts
+++ b/src/contract_wrappers/exchange_wrapper.ts
@@ -637,7 +637,7 @@ export class ExchangeWrapper extends ContractWrapper {
assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
assert.isBigNumber('fillTakerTokenAmount', fillTakerTokenAmount);
await assert.isSenderAddressAsync('takerAddress', takerAddress, this._web3Wrapper);
- const zrxTokenAddress = await this._getZRXTokenAddressAsync();
+ const zrxTokenAddress = await this.getZRXTokenAddressAsync();
await this._orderValidationUtils.validateFillOrderThrowIfInvalidAsync(
signedOrder, fillTakerTokenAmount, takerAddress, zrxTokenAddress);
}
@@ -670,7 +670,7 @@ export class ExchangeWrapper extends ContractWrapper {
assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
assert.isBigNumber('fillTakerTokenAmount', fillTakerTokenAmount);
await assert.isSenderAddressAsync('takerAddress', takerAddress, this._web3Wrapper);
- const zrxTokenAddress = await this._getZRXTokenAddressAsync();
+ const zrxTokenAddress = await this.getZRXTokenAddressAsync();
await this._orderValidationUtils.validateFillOrKillOrderThrowIfInvalidAsync(
signedOrder, fillTakerTokenAmount, takerAddress, zrxTokenAddress);
}
@@ -708,6 +708,15 @@ export class ExchangeWrapper extends ContractWrapper {
throw new Error(errMessage);
}
}
+ /**
+ * Returns an address of ZRX token used by the exchange contract.
+ * @return Address of ZRX token
+ */
+ public async getZRXTokenAddressAsync(): Promise<string> {
+ const exchangeInstance = await this._getExchangeContractAsync();
+ const ZRXtokenAddress = await exchangeInstance.ZRX_TOKEN_CONTRACT.callAsync();
+ return ZRXtokenAddress;
+ }
private async _invalidateContractInstancesAsync(): Promise<void> {
await this.stopWatchingAllEventsAsync();
delete this._exchangeContractIfExists;
@@ -745,11 +754,6 @@ export class ExchangeWrapper extends ContractWrapper {
this._exchangeContractIfExists = contractInstance as ExchangeContract;
return this._exchangeContractIfExists;
}
- private async _getZRXTokenAddressAsync(): Promise<string> {
- const exchangeInstance = await this._getExchangeContractAsync();
- const ZRXtokenAddress = await exchangeInstance.ZRX_TOKEN_CONTRACT.callAsync();
- return ZRXtokenAddress;
- }
private async _getTokenTransferProxyAddressAsync(): Promise<string> {
const exchangeInstance = await this._getExchangeContractAsync();
const tokenTransferProxyAddress = await exchangeInstance.TOKEN_TRANSFER_PROXY_CONTRACT.callAsync();