Change non-exhange contracts to also return txHash

1 files changed, 29 insertions, 14 deletions

diff --git a/src/contract_wrappers/token_wrapper.ts b/src/contract_wrappers/token_wrapper.ts
index e98744cbc..9c72455f1 100644
--- a/src/contract_wrappers/token_wrapper.ts
+++ b/src/contract_wrappers/token_wrapper.ts
@@ -60,9 +60,10 @@ export class TokenWrapper extends ContractWrapper {
      *                              for spenderAddress.
      * @param   spenderAddress      The hex encoded user Ethereum address who will be able to spend the set allowance.
      * @param   amountInBaseUnits   The allowance amount you would like to set.
+     * @return Transaction hash.
      */
     public async setAllowanceAsync(tokenAddress: string, ownerAddress: string, spenderAddress: string,
-                                   amountInBaseUnits: BigNumber.BigNumber): Promise<void> {
+                                   amountInBaseUnits: BigNumber.BigNumber): Promise<string> {
         await assert.isSenderAddressAsync('ownerAddress', ownerAddress, this._web3Wrapper);
         assert.isETHAddressHex('spenderAddress', spenderAddress);
         assert.isETHAddressHex('tokenAddress', tokenAddress);
@@ -74,10 +75,11 @@ export class TokenWrapper extends ContractWrapper {
         // TODO: Debug issue in testrpc and submit a PR, then remove this hack
         const networkIdIfExists = await this._web3Wrapper.getNetworkIdIfExistsAsync();
         const gas = networkIdIfExists === constants.TESTRPC_NETWORK_ID ? ALLOWANCE_TO_ZERO_GAS_AMOUNT : undefined;
-        await tokenContract.approve(spenderAddress, amountInBaseUnits, {
+        const txHash = await tokenContract.approve(spenderAddress, amountInBaseUnits, {
             from: ownerAddress,
             gas,
         });
+        return txHash;
     }
     /**
      * Sets the spender's allowance to an unlimited number of baseUnits on behalf of the owner address.
@@ -88,12 +90,14 @@ export class TokenWrapper extends ContractWrapper {
      * @param   ownerAddress        The hex encoded user Ethereum address who would like to set an allowance
      *                              for spenderAddress.
      * @param   spenderAddress      The hex encoded user Ethereum address who will be able to spend the set allowance.
+     * @return Transaction hash.
      */
     public async setUnlimitedAllowanceAsync(tokenAddress: string, ownerAddress: string,
-                                            spenderAddress: string): Promise<void> {
-        await this.setAllowanceAsync(
+                                            spenderAddress: string): Promise<string> {
+        const txHash = await this.setAllowanceAsync(
             tokenAddress, ownerAddress, spenderAddress, this.UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
         );
+        return txHash;
     }
     /**
      * Retrieves the owners allowance in baseUnits set to the spender's address.
@@ -102,7 +106,8 @@ export class TokenWrapper extends ContractWrapper {
      *                          you would like to retrieve.
      * @param   spenderAddress  The hex encoded user Ethereum address who can spend the allowance you are fetching.
      */
-    public async getAllowanceAsync(tokenAddress: string, ownerAddress: string, spenderAddress: string) {
+    public async getAllowanceAsync(tokenAddress: string, ownerAddress: string,
+                                   spenderAddress: string): Promise<BigNumber.BigNumber> {
         assert.isETHAddressHex('ownerAddress', ownerAddress);
         assert.isETHAddressHex('tokenAddress', tokenAddress);
 
@@ -117,7 +122,7 @@ export class TokenWrapper extends ContractWrapper {
      * @param   tokenAddress    The hex encoded contract Ethereum address where the ERC20 token is deployed.
      * @param   ownerAddress    The hex encoded user Ethereum address whose proxy contract allowance we are retrieving.
      */
-    public async getProxyAllowanceAsync(tokenAddress: string, ownerAddress: string) {
+    public async getProxyAllowanceAsync(tokenAddress: string, ownerAddress: string): Promise<BigNumber.BigNumber> {
         assert.isETHAddressHex('ownerAddress', ownerAddress);
         assert.isETHAddressHex('tokenAddress', tokenAddress);
 
@@ -132,15 +137,17 @@ export class TokenWrapper extends ContractWrapper {
      * @param   ownerAddress        The hex encoded user Ethereum address who is setting an allowance
      *                              for the Proxy contract.
      * @param   amountInBaseUnits   The allowance amount specified in baseUnits.
+     * @return Transaction hash.
      */
     public async setProxyAllowanceAsync(tokenAddress: string, ownerAddress: string,
-                                        amountInBaseUnits: BigNumber.BigNumber): Promise<void> {
+                                        amountInBaseUnits: BigNumber.BigNumber): Promise<string> {
         assert.isETHAddressHex('ownerAddress', ownerAddress);
         assert.isETHAddressHex('tokenAddress', tokenAddress);
         assert.isBigNumber('amountInBaseUnits', amountInBaseUnits);
 
         const proxyAddress = await this._getProxyAddressAsync();
-        await this.setAllowanceAsync(tokenAddress, ownerAddress, proxyAddress, amountInBaseUnits);
+        const txHash = await this.setAllowanceAsync(tokenAddress, ownerAddress, proxyAddress, amountInBaseUnits);
+        return txHash;
     }
     /**
      * Sets the 0x proxy contract's allowance to a unlimited number of a tokens' baseUnits on behalf
@@ -150,9 +157,13 @@ export class TokenWrapper extends ContractWrapper {
      * @param   tokenAddress        The hex encoded contract Ethereum address where the ERC20 token is deployed.
      * @param   ownerAddress        The hex encoded user Ethereum address who is setting an allowance
      *                              for the Proxy contract.
+     * @return Transaction hash.
      */
-    public async setUnlimitedProxyAllowanceAsync(tokenAddress: string, ownerAddress: string): Promise<void> {
-        await this.setProxyAllowanceAsync(tokenAddress, ownerAddress, this.UNLIMITED_ALLOWANCE_IN_BASE_UNITS);
+    public async setUnlimitedProxyAllowanceAsync(tokenAddress: string, ownerAddress: string): Promise<string> {
+        const txHash = await this.setProxyAllowanceAsync(
+            tokenAddress, ownerAddress, this.UNLIMITED_ALLOWANCE_IN_BASE_UNITS,
+        );
+        return txHash;
     }
     /**
      * Transfers `amountInBaseUnits` ERC20 tokens from `fromAddress` to `toAddress`.
@@ -160,9 +171,10 @@ export class TokenWrapper extends ContractWrapper {
      * @param   fromAddress         The hex encoded user Ethereum address that will send the funds.
      * @param   toAddress           The hex encoded user Ethereum address that will receive the funds.
      * @param   amountInBaseUnits   The amount (specified in baseUnits) of the token to transfer.
+     * @return Transaction hash.
      */
     public async transferAsync(tokenAddress: string, fromAddress: string, toAddress: string,
-                               amountInBaseUnits: BigNumber.BigNumber): Promise<void> {
+                               amountInBaseUnits: BigNumber.BigNumber): Promise<string> {
         assert.isETHAddressHex('tokenAddress', tokenAddress);
         await assert.isSenderAddressAsync('fromAddress', fromAddress, this._web3Wrapper);
         assert.isETHAddressHex('toAddress', toAddress);
@@ -175,9 +187,10 @@ export class TokenWrapper extends ContractWrapper {
             throw new Error(ZeroExError.InsufficientBalanceForTransfer);
         }
 
-        await tokenContract.transfer(toAddress, amountInBaseUnits, {
+        const txHash = await tokenContract.transfer(toAddress, amountInBaseUnits, {
             from: fromAddress,
         });
+        return txHash;
     }
     /**
      * Transfers `amountInBaseUnits` ERC20 tokens from `fromAddress` to `toAddress`.
@@ -190,10 +203,11 @@ export class TokenWrapper extends ContractWrapper {
      *                              `fromAddress` must have set an allowance to the `senderAddress`
      *                              before this call.
      * @param   amountInBaseUnits   The amount (specified in baseUnits) of the token to transfer.
+     * @return Transaction hash.
      */
     public async transferFromAsync(tokenAddress: string, fromAddress: string, toAddress: string,
                                    senderAddress: string, amountInBaseUnits: BigNumber.BigNumber):
-                                   Promise<void> {
+                                   Promise<string> {
         assert.isETHAddressHex('tokenAddress', tokenAddress);
         assert.isETHAddressHex('fromAddress', fromAddress);
         assert.isETHAddressHex('toAddress', toAddress);
@@ -212,9 +226,10 @@ export class TokenWrapper extends ContractWrapper {
             throw new Error(ZeroExError.InsufficientBalanceForTransfer);
         }
 
-        await tokenContract.transferFrom(fromAddress, toAddress, amountInBaseUnits, {
+        const txHash = await tokenContract.transferFrom(fromAddress, toAddress, amountInBaseUnits, {
             from: senderAddress,
         });
+        return txHash;
     }
     /**
      * Subscribe to an event type emitted by the Token contract.