Make contract-templates an npm package

1 files changed, 91 insertions, 0 deletions

diff --git a/packages/contract-templates/contract.handlebars b/packages/contract-templates/contract.handlebars
new file mode 100644
index 000000000..9b2a2b336
--- /dev/null
+++ b/packages/contract-templates/contract.handlebars
@@ -0,0 +1,91 @@
+// tslint:disable:no-consecutive-blank-lines ordered-imports align trailing-comma whitespace class-name
+// tslint:disable:no-unused-variable
+// tslint:disable:no-unbound-method
+import { BaseContract } from '@0x/base-contract';
+import { BlockParam, BlockParamLiteral, CallData, ContractAbi, ContractArtifact, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
+import { BigNumber, classUtils, logUtils } from '@0x/utils';
+import { SimpleContractArtifact } from '@0x/types';
+import { Web3Wrapper } from '@0x/web3-wrapper';
+import * as ethers from 'ethers';
+import * as _ from 'lodash';
+// tslint:enable:no-unused-variable
+
+{{#if events}}
+export type {{contractName}}EventArgs =
+{{#each events}}
+    | {{@root.contractName}}{{name}}EventArgs{{#if @last}};{{/if}}
+{{/each}}
+
+export enum {{contractName}}Events {
+    {{#each events}}
+    {{name}} = '{{name}}',
+    {{/each}}
+}
+
+{{#each events}}
+{{> event}}
+
+{{/each}}
+{{/if}}
+
+/* istanbul ignore next */
+// tslint:disable:no-parameter-reassignment
+// tslint:disable-next-line:class-name
+export class {{contractName}}Contract extends BaseContract {
+{{#each methods}}
+    {{#this.constant}}
+    {{> call contractName=../contractName}}
+    {{/this.constant}}
+    {{^this.constant}}
+    {{> tx contractName=../contractName}}
+    {{/this.constant}}
+{{/each}}
+    public static async deployFrom0xArtifactAsync(
+        artifact: ContractArtifact | SimpleContractArtifact,
+        provider: Provider,
+        txDefaults: Partial<TxData>,
+        {{> typed_params inputs=ctor.inputs}}
+    ): Promise<{{contractName}}Contract> {
+        if (_.isUndefined(artifact.compilerOutput)) {
+            throw new Error('Compiler output not found in the artifact file');
+        }
+        const bytecode = artifact.compilerOutput.evm.bytecode.object;
+        const abi = artifact.compilerOutput.abi;
+        return {{contractName}}Contract.deployAsync(bytecode, abi, provider, txDefaults, {{> params inputs=ctor.inputs}});
+    }
+    public static async deployAsync(
+        bytecode: string,
+        abi: ContractAbi,
+        provider: Provider,
+        txDefaults: Partial<TxData>,
+        {{> typed_params inputs=ctor.inputs}}
+    ): Promise<{{contractName}}Contract> {
+        const constructorAbi = BaseContract._lookupConstructorAbi(abi);
+        [{{> params inputs=ctor.inputs}}] = BaseContract._formatABIDataItemList(
+            constructorAbi.inputs,
+            [{{> params inputs=ctor.inputs}}],
+            BaseContract._bigNumberToString,
+        );
+        const iface = new ethers.utils.Interface(abi);
+        const deployInfo = iface.deployFunction;
+        const txData = deployInfo.encode(bytecode, [{{> params inputs=ctor.inputs}}]);
+        const web3Wrapper = new Web3Wrapper(provider);
+        const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
+            {data: txData},
+            txDefaults,
+            web3Wrapper.estimateGasAsync.bind(web3Wrapper),
+        );
+        const txHash = await web3Wrapper.sendTransactionAsync(txDataWithDefaults);
+        logUtils.log(`transactionHash: ${txHash}`);
+        const txReceipt = await web3Wrapper.awaitTransactionSuccessAsync(txHash);
+        logUtils.log(`{{contractName}} successfully deployed at ${txReceipt.contractAddress}`);
+        const contractInstance = new {{contractName}}Contract(abi, txReceipt.contractAddress as string, provider, txDefaults);
+        contractInstance.constructorArgs = [{{> params inputs=ctor.inputs}}];
+        return contractInstance;
+    }
+    constructor(abi: ContractAbi, address: string, provider: Provider, txDefaults?: Partial<TxData>) {
+        super('{{contractName}}', abi, address, provider, txDefaults);
+        classUtils.bindAll(this, ['_ethersInterfacesByFunctionSignature', 'address', 'abi', '_web3Wrapper']);
+    }
+} // tslint:disable:max-file-line-count
+// tslint:enable:no-unbound-method