path: root/packages/contract_templates/contract.handlebars

// tslint:disable:no-consecutive-blank-lines ordered-imports align trailing-comma whitespace
// tslint:disable:no-unused-variable
import { BaseContract } from '@0xproject/base-contract';
import { ContractArtifact } from '@0xproject/sol-compiler';
import { BlockParam, BlockParamLiteral, CallData, ContractAbi, DataItem, DecodedLogArgs, MethodAbi, Provider, TxData, TxDataPayable } from 'ethereum-types';
import { BigNumber, classUtils, logUtils, promisify } from '@0xproject/utils';
import { Web3Wrapper } from '@0xproject/web3-wrapper';
import * as ethers from 'ethers';
import * as _ from 'lodash';
// tslint:enable:no-unused-variable

{{#if events}}
export type {{contractName}}ContractEventArgs =
{{#each events}}
    | {{name}}ContractEventArgs{{#if @last}};{{/if}}
{{/each}}

export enum {{contractName}}Events {
    {{#each events}}
    {{name}} = '{{name}}',
    {{/each}}
}

{{#each events}}
{{> event}}

{{/each}}
{{/if}}

// 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,
        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 txData = ethers.Contract.getDeployTransaction(bytecode, abi, {{> params inputs=ctor.inputs}});
        const web3Wrapper = new Web3Wrapper(provider);
        const txDataWithDefaults = await BaseContract._applyDefaultsToTxDataAsync(
            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