Merge pull request #1305 from 0xProject/feature/contract-templates

[@0x/contract-templates] Make contract-templates an npm package

1 files changed, 28 insertions, 0 deletions

diff --git a/packages/abi-gen-templates/partials/callAsync.handlebars b/packages/abi-gen-templates/partials/callAsync.handlebars
new file mode 100644
index 000000000..ddbbe7508
--- /dev/null
+++ b/packages/abi-gen-templates/partials/callAsync.handlebars
@@ -0,0 +1,28 @@
+async callAsync(
+{{> typed_params inputs=inputs}}
+    callData: Partial<CallData> = {},
+    defaultBlock?: BlockParam,
+): Promise<{{> return_type outputs=outputs}}> {
+    const self = this as any as {{contractName}}Contract;
+    const functionSignature = '{{this.functionSignature}}';
+    const inputAbi = self._lookupAbi(functionSignature).inputs;
+    [{{> params inputs=inputs}}] = BaseContract._formatABIDataItemList(inputAbi, [{{> params inputs=inputs}}], BaseContract._bigNumberToString.bind(self));
+    BaseContract.strictArgumentEncodingCheck(inputAbi, [{{> params inputs=inputs}}]);
+    const ethersFunction = self._lookupEthersInterface(functionSignature).functions.{{this.name}};
+    const encodedData = ethersFunction.encode([{{> params inputs=inputs}}]);
+    const callDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+        {
+            to: self.address,
+            ...callData,
+            data: encodedData,
+        },
+        self._web3Wrapper.getContractDefaults(),
+    );
+    const rawCallResult = await self._web3Wrapper.callAsync(callDataWithDefaults, defaultBlock);
+    BaseContract._throwIfRevertWithReasonCallResult(rawCallResult);
+    let resultArray = ethersFunction.decode(rawCallResult);
+    const outputAbi = (_.find(self.abi, {name: '{{this.name}}'}) as MethodAbi).outputs;
+    resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._lowercaseAddress.bind(this));
+    resultArray = BaseContract._formatABIDataItemList(outputAbi, resultArray, BaseContract._bnToBigNumber.bind(this));
+    return resultArray{{#singleReturnValue}}[0]{{/singleReturnValue}};
+},