112 lines
4.7 KiB
TypeScript
112 lines
4.7 KiB
TypeScript
import * as React from 'react';
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import { render, hydrate } from 'react-dom';
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import context from 'ts/context/profiler';
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import Base from 'ts/components/Base';
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import Content from 'ts/components/Content';
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import ContentBlock from 'ts/components/ContentBlock';
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import Breakout from 'ts/components/Breakout';
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import { Tabs, TabBlock } from 'ts/components/Tabs';
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import Code from 'ts/components/Code';
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import InlineCode from 'ts/components/InlineCode';
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import { List, ListItem } from 'ts/components/List';
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import { Intro, IntroLead, IntroAside } from 'ts/components/Intro';
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function Profiler() {
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return (
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<Base context={context}>
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<Intro>
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<IntroLead title="Headline">
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Sol-profiler gathers line-by-line gas usage for any transaction submitted through your provider.
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This will help you find unexpected inefficiencies in parts of your smart contract, and take a
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data-driven approach to optimizing it.
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</IntroLead>
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<IntroAside>
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<Code language="javascript" diff gutterLength={6} gutter={[15, 15, undefined, 21747, 20303, 1435]}>
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{`+function() public payable {
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+ deposit();
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}
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+function deposit() public payabble {
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+ balanceOf[msg.sender] += msg.value;
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+ Deposit(msg.sender, msg.value);
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}
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-function withdraw(uint wad) public {
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- require(balanceOf[msg.sender] >= wad);
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- balanceOf[msg.sender] -= wad;
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- msg.sender.transfer(wad);
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- Withdrawal(msg.sender, wad);
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}`}
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</Code>
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</IntroAside>
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</Intro>
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<Content>
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<ContentBlock main title="Get started" />
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<ContentBlock title="Prerequisites">
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<List>
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<ListItem>
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Use <a href="#">ganache-cli</a> as a backing node.
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</ListItem>
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<ListItem>
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Understand and use <a href="#">web3-provider-engine</a>.
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</ListItem>
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</List>
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</ContentBlock>
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<ContentBlock title="Installation">
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<Breakout>
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<Code>npm install @0x/sol-trace --save</Code>
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</Breakout>
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<p>
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Sol-trace is a subprovider that needs to be prepended to your <a href="#">provider engine</a>.
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Depending on your project setup, you will need to use a specific ArtifactAdapter. Sol-trace
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ships with the <InlineCode>SolCompilerArtifactAdapter</InlineCode> for use with{' '}
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<a href="#">Sol-compiler</a> and <InlineCode>TruffleArtifactAdapter</InlineCode> for use with
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the <a href="#">Truffle framework</a>. You can also write your own and support any artifact
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format.
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</p>
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<Tabs>
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<TabBlock title="Sol-compiler">
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<Code language="js">
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{`import { SolCompilerArtifactAdapter } from '@0x/sol-trace';
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// Both artifactsDir and contractsDir are optional and will be fetched from compiler.json if not passed in
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const artifactAdapter = new SolCompilerArtifactAdapter(artifactsDir, contractsDir);`}
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</Code>
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</TabBlock>
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<TabBlock title="Truffle">Truffle</TabBlock>
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<TabBlock title="Custom">Custom</TabBlock>
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</Tabs>
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<p>
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Now that we have an <InlineCode>artifactAdapter</InlineCode>, we can create a{' '}
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<InlineCode>RevertTraceSubprovider</InlineCode> and append it to our provider engine.
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</p>
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<Breakout>
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<Code language="js">
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{`import { ProviderEngine, RpcSubprovider } from 'web3-provider-engine';
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import { RevertTraceSubprovider } from '@0x/sol-cov';
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const defaultFromAddress = "..."; // Some ethereum address with test funds
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const revertTraceSubprovider = new RevertTraceSubprovider(artifactAdapter, defaultFromAddress);
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const providerEngine = new ProviderEngine();
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providerEngine.addProvider(revertTraceSubprovider);
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providerEngine.addProvider(new RpcSubprovider({rpcUrl: 'http://localhost:8545'}));
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providerEngine.start();`}
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</Code>
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</Breakout>
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</ContentBlock>
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</Content>
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</Base>
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);
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}
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const root = document.getElementById('app');
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if (root.hasChildNodes()) {
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hydrate(<Profiler />, root);
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} else {
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render(<Profiler />, root);
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}
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