subspace-site/reactive-graphql.html

79 lines
18 KiB
HTML

<!DOCTYPE html>
<html lang="en-US">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,initial-scale=1">
<title>reactive-graphql | SUBSPACE</title>
<meta name="description" content="Reactive ÐApp Development">
<link rel="apple-touch-icon" sizes="180x180" href="/assets/img/logo-small.png">
<link rel="icon" type="image/png" sizes="32x32" href="/assets/img/logo-small.png">
<link rel="icon" type="image/png" sizes="16x16" href="/assets/img/logo-small.png">
<link rel="shortcut icon" href="/assets/img/logo-small.png">
<meta name="theme-color" content="#ffffff">
<link rel="preload" href="/assets/css/0.styles.9a3d86bc.css" as="style"><link rel="preload" href="/assets/js/app.272ef0e5.js" as="script"><link rel="preload" href="/assets/js/2.ae31a69c.js" as="script"><link rel="preload" href="/assets/js/13.c9d288f4.js" as="script"><link rel="prefetch" href="/assets/js/10.3b1995f4.js"><link rel="prefetch" href="/assets/js/11.2a9f96fe.js"><link rel="prefetch" href="/assets/js/12.8f2e1280.js"><link rel="prefetch" href="/assets/js/14.195a3661.js"><link rel="prefetch" href="/assets/js/15.50f3de3e.js"><link rel="prefetch" href="/assets/js/16.b2dc4bae.js"><link rel="prefetch" href="/assets/js/17.6e4d419c.js"><link rel="prefetch" href="/assets/js/18.7017f018.js"><link rel="prefetch" href="/assets/js/19.32de2763.js"><link rel="prefetch" href="/assets/js/3.13986f99.js"><link rel="prefetch" href="/assets/js/4.409ebe9b.js"><link rel="prefetch" href="/assets/js/5.3095c620.js"><link rel="prefetch" href="/assets/js/6.3def5758.js"><link rel="prefetch" href="/assets/js/7.b87cb3e3.js"><link rel="prefetch" href="/assets/js/8.37de77ca.js"><link rel="prefetch" href="/assets/js/9.a48ad32f.js">
<link rel="stylesheet" href="/assets/css/0.styles.9a3d86bc.css">
</head>
<body>
<div id="app" data-server-rendered="true"><div class="theme-container"><header class="navbar"><div class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/" class="home-link router-link-active"><img src="/assets/img/logo-small.png" alt="SUBSPACE" class="logo"> <span class="site-name can-hide">SUBSPACE</span></a> <div class="links"><!----> <nav class="nav-links can-hide"><div class="nav-item"><a href="/getting-started/" class="nav-link">Getting Started</a></div><div class="nav-item"><a href="/integrations-overview.html" class="nav-link">Integrations</a></div><div class="nav-item"><a href="/api.html" class="nav-link">API</a></div><div class="nav-item"><a href="https://github.com/status-im/subspace" target="_blank" rel="noopener noreferrer" class="nav-link external">
Github
<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></div> <!----></nav></div></header> <div class="sidebar-mask"></div> <aside class="sidebar"><nav class="nav-links"><div class="nav-item"><a href="/getting-started/" class="nav-link">Getting Started</a></div><div class="nav-item"><a href="/integrations-overview.html" class="nav-link">Integrations</a></div><div class="nav-item"><a href="/api.html" class="nav-link">API</a></div><div class="nav-item"><a href="https://github.com/status-im/subspace" target="_blank" rel="noopener noreferrer" class="nav-link external">
Github
<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></div> <!----></nav> <ul class="sidebar-links"><li><a href="/" class="sidebar-link">Home</a></li><li><a href="/how-it-works.html" class="sidebar-link">How it works?</a><ul class="sidebar-sub-headers"></ul></li><li><a href="/getting-started.html" class="sidebar-link">Getting Started</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/getting-started.html#installation" class="sidebar-link">Installation</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#importing-the-library" class="sidebar-link">Importing the library</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#connecting-to-a-web3-provider" class="sidebar-link">Connecting to a web3 provider</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#reacting-to-data" class="sidebar-link">Reacting to data</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#tracking-state" class="sidebar-link">Tracking state</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#tracking-events" class="sidebar-link">Tracking events</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#tracking-balances" class="sidebar-link">Tracking balances</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#subscriptions" class="sidebar-link">Subscriptions</a></li><li class="sidebar-sub-header"><a href="/getting-started.html#cleanup" class="sidebar-link">Cleanup</a></li></ul></li><li><section class="sidebar-group depth-0"><p class="sidebar-heading open"><span>Integrations</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/integrations-overview.html" class="sidebar-link">Overview</a></li><li><a href="/react.html" class="sidebar-link">React</a><ul class="sidebar-sub-headers"></ul></li><li><a href="/vue.html" class="sidebar-link">Vue</a><ul class="sidebar-sub-headers"></ul></li><li><section class="sidebar-group is-sub-group depth-1"><p class="sidebar-heading"><span>Redux</span> <!----></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/redux.html" class="sidebar-link">redux</a><ul class="sidebar-sub-headers"></ul></li><li><a href="/redux-observable.html" class="sidebar-link">redux-observable</a></li></ul></section></li><li><a href="/reactive-graphql.html" class="active sidebar-link">reactive-graphql</a><ul class="sidebar-sub-headers"></ul></li><li><a href="/apollo-client.html" class="sidebar-link">apollo-client</a><ul class="sidebar-sub-headers"></ul></li></ul></section></li><li><a href="/tutorial.html" class="sidebar-link">Tutorial</a></li><li><a href="/api.html" class="sidebar-link">API</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header"><a href="/api.html#general" class="sidebar-link">General</a></li><li class="sidebar-sub-header"><a href="/api.html#contract-methods" class="sidebar-link">Contract methods</a></li><li class="sidebar-sub-header"><a href="/api.html#low-level-api-for-data-tracking" class="sidebar-link">Low level API for data tracking</a></li></ul></li></ul> </aside> <main class="page"> <div class="theme-default-content content__default"><h1 id="reactive-graphql"><a href="#reactive-graphql" aria-hidden="true" class="header-anchor">#</a> reactive-graphql</h1> <p>Using <code>reactive-graphql</code> you can execute GraphQL queries against <strong>Subspace</strong> observables after you create your own type definitions and resolvers.</p> <h3 id="example"><a href="#example" aria-hidden="true" class="header-anchor">#</a> Example</h3> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">const</span> Subspace <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'@embarklabs/subspace'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> MyContract <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'./MyContract'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token punctuation">{</span> pluck <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">'rxjs/operators'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token punctuation">{</span> makeExecutableSchema <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">&quot;graphql-tools&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> gql <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">&quot;graphql-tag&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token punctuation">{</span> graphql <span class="token punctuation">}</span> <span class="token operator">=</span> <span class="token function">require</span><span class="token punctuation">(</span><span class="token string">&quot;reactive-graphql&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> <span class="token function-variable function">run</span> <span class="token operator">=</span> <span class="token keyword">async</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
<span class="token keyword">const</span> subspace <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Subspace</span><span class="token punctuation">(</span>web3<span class="token punctuation">.</span>currentProvider<span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">// Use a valid provider (geth, parity, infura...)</span>
<span class="token keyword">await</span> subspace<span class="token punctuation">.</span><span class="token function">init</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> MyContractInstance <span class="token operator">=</span> <span class="token operator">...</span><span class="token punctuation">;</span> <span class="token comment">// TODO: obtain a web3.eth.contract instance</span>
<span class="token keyword">const</span> typeDefs <span class="token operator">=</span> <span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">
type MyEvent {
someValue: Int
anotherValue: String
}
type Query {
myEvents: MyEvent!
}
</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">;</span>
<span class="token keyword">const</span> resolvers <span class="token operator">=</span> <span class="token punctuation">{</span>
Query<span class="token punctuation">:</span> <span class="token punctuation">{</span>
<span class="token function-variable function">myEvents</span><span class="token punctuation">:</span> <span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
<span class="token keyword">return</span> subspace<span class="token punctuation">.</span><span class="token function">trackEvent</span><span class="token punctuation">(</span>MyContractInstance<span class="token punctuation">,</span> <span class="token string">'MyEvent'</span><span class="token punctuation">,</span> <span class="token punctuation">{</span> filter<span class="token punctuation">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">,</span> fromBlock<span class="token punctuation">:</span> <span class="token number">1</span> <span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> schema <span class="token operator">=</span> <span class="token function">makeExecutableSchema</span><span class="token punctuation">(</span><span class="token punctuation">{</span> typeDefs<span class="token punctuation">,</span> resolvers <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token keyword">const</span> query <span class="token operator">=</span> gql<span class="token template-string"><span class="token template-punctuation string">`</span><span class="token string">
query {
myEvents {
someValue
anotherValue
}
}
</span><span class="token template-punctuation string">`</span></span><span class="token punctuation">;</span>
<span class="token keyword">const</span> stream <span class="token operator">=</span> <span class="token function">graphql</span><span class="token punctuation">(</span>schema<span class="token punctuation">,</span> query<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">pipe</span><span class="token punctuation">(</span><span class="token function">pluck</span><span class="token punctuation">(</span><span class="token string">'data'</span><span class="token punctuation">,</span> <span class="token string">'myEvents'</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
stream<span class="token punctuation">.</span><span class="token function">subscribe</span><span class="token punctuation">(</span><span class="token parameter">data</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>data<span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span><span class="token punctuation">)</span>
<span class="token punctuation">}</span>
<span class="token function">run</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br><span class="line-number">32</span><br><span class="line-number">33</span><br><span class="line-number">34</span><br><span class="line-number">35</span><br><span class="line-number">36</span><br><span class="line-number">37</span><br><span class="line-number">38</span><br><span class="line-number">39</span><br><span class="line-number">40</span><br><span class="line-number">41</span><br><span class="line-number">42</span><br><span class="line-number">43</span><br><span class="line-number">44</span><br><span class="line-number">45</span><br><span class="line-number">46</span><br><span class="line-number">47</span><br><span class="line-number">48</span><br><span class="line-number">49</span><br><span class="line-number">50</span><br></div></div><div class="tip custom-block"><p>This example is available in <a href="https://github.com/status-im/subspace/tree/master/examples/reactive-graphql" target="_blank" rel="noopener noreferrer">Github<svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg></a></p></div></div> <footer class="page-edit"><!----> <!----></footer> <div class="page-nav"><p class="inner"><span class="prev">
<a href="/redux-observable.html" class="prev">redux-observable</a></span> <span class="next"><a href="/apollo-client.html">apollo-client</a>
</span></p></div> </main></div><div class="global-ui"></div></div>
<script src="/assets/js/app.272ef0e5.js" defer></script><script src="/assets/js/2.ae31a69c.js" defer></script><script src="/assets/js/13.c9d288f4.js" defer></script>
</body>
</html>