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2018-09-26 05:30:33 +00:00
parent f399bb6fd6
commit 7eb2b29201
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docs/examples/01_simple_connect/index.html
+9 -9
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@@ -371,22 +371,22 @@
<h1 id="simple-connect">Simple Connect</h1>
<p>The following example shows how to instantiate a Polkadot API object and use it to connect to a node.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>)
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider)
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default;
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default;
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider);
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getChain</span> (<span class="hljs-params"></span>) </span>{
<span class="hljs-keyword">return</span> api.system.chain()
<span class="hljs-keyword">return</span> api.system.chain();
}
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">main</span> (<span class="hljs-params"></span>) </span>{
<span class="hljs-keyword">const</span> chain = <span class="hljs-keyword">await</span> getChain()
<span class="hljs-keyword">const</span> chain = <span class="hljs-keyword">await</span> getChain();
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;You are connected to chain:&apos;</span>, chain)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;You are connected to chain:&apos;</span>, chain);
}
main().finally(_ =&gt; process.exit())
main().finally(_ =&gt; process.exit());
</code></pre>
@@ -431,7 +431,7 @@ main().finally(_ =&gt; process.exit())
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"Simple connect","level":"2.2","depth":1,"next":{"title":"Listen to blocks","level":"2.3","depth":1,"path":"examples/02_listen_to_blocks/README.md","ref":"examples/02_listen_to_blocks/README.md","articles":[]},"previous":{"title":"Overview","level":"2.1","depth":1,"path":"examples/README.md","ref":"examples/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/01_simple_connect/README.md","mtime":"2018-09-25T16:22:52.654Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-25T16:27:51.734Z"},"basePath":"../..","book":{"language":""}});
gitbook.page.hasChanged({"page":{"title":"Simple connect","level":"2.2","depth":1,"next":{"title":"Listen to blocks","level":"2.3","depth":1,"path":"examples/02_listen_to_blocks/README.md","ref":"examples/02_listen_to_blocks/README.md","articles":[]},"previous":{"title":"Overview","level":"2.1","depth":1,"path":"examples/README.md","ref":"examples/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/01_simple_connect/README.md","mtime":"2018-09-26T05:25:07.927Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-26T05:30:25.997Z"},"basePath":"../..","book":{"language":""}});
});
</script>
</div>
docs/examples/02_listen_to_blocks/index.html
+12 -12
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@@ -372,23 +372,23 @@
<h1 id="listen-to-new-blocks">Listen to new blocks</h1>
<p>This example shows how to subscribe to new blocks.</p>
<p>It displays the block number every time a new block is seen by the node you are connected to.</p>
<p>NOTE: The example runs until you stop it wit CTRL+C</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>)
<span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>)
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider)
<p>NOTE: The example runs until you stop it with CTRL+C</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>);
<span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default;
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default;
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider);
<span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">main</span> (<span class="hljs-params"></span>) </span>{
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Blocks will be shown as they come in, CTRL+C to stop:&apos;</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Blocks will be shown as they come in, CTRL+C to stop:&apos;</span>);
api.chain.newHead((_, header) =&gt; {
<span class="hljs-keyword">const</span> bnBlockNumber = <span class="hljs-keyword">new</span> BN(header.number, <span class="hljs-number">16</span>)
<span class="hljs-keyword">const</span> bnBlockNumber = <span class="hljs-keyword">new</span> BN(header.number, <span class="hljs-number">16</span>);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;#&apos;</span> + bnBlockNumber.toString(<span class="hljs-number">10</span>))
})
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;#&apos;</span> + bnBlockNumber.toString(<span class="hljs-number">10</span>));
});
}
main()
main();
</code></pre>
@@ -433,7 +433,7 @@ main()
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"Listen to blocks","level":"2.3","depth":1,"next":{"title":"Listen to balance change","level":"2.4","depth":1,"path":"examples/03_listen_to_balance_change/README.md","ref":"examples/03_listen_to_balance_change/README.md","articles":[]},"previous":{"title":"Simple connect","level":"2.2","depth":1,"path":"examples/01_simple_connect/README.md","ref":"examples/01_simple_connect/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/02_listen_to_blocks/README.md","mtime":"2018-09-25T16:22:52.658Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-25T16:27:51.734Z"},"basePath":"../..","book":{"language":""}});
gitbook.page.hasChanged({"page":{"title":"Listen to blocks","level":"2.3","depth":1,"next":{"title":"Listen to balance change","level":"2.4","depth":1,"path":"examples/03_listen_to_balance_change/README.md","ref":"examples/03_listen_to_balance_change/README.md","articles":[]},"previous":{"title":"Simple connect","level":"2.2","depth":1,"path":"examples/01_simple_connect/README.md","ref":"examples/01_simple_connect/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/02_listen_to_blocks/README.md","mtime":"2018-09-26T05:25:07.927Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-26T05:30:25.997Z"},"basePath":"../..","book":{"language":""}});
});
</script>
</div>
docs/examples/03_listen_to_balance_change/index.html
+12 -12
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@@ -371,23 +371,23 @@
<h1 id="listen-to-balance-changes">Listen to balance changes</h1>
<p>This example shows how to instantiate a Polkadot API object and use it to connect to a node.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default
<span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>)
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>)
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider)
<span class="hljs-keyword">const</span> Alice = <span class="hljs-string">&apos;5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ&apos;</span>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>);
<span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default;
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default;
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default;
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider);
<span class="hljs-keyword">const</span> Alice = <span class="hljs-string">&apos;5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ&apos;</span>;
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;You may let this example running and start the example 06 or send DOTs to &apos;</span> + Alice)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;You may leave this example running and start example 06 or send DOTs to &apos;</span> + Alice);
api.state
.storage([[storage.staking.public.freeBalanceOf, Alice]], (_, values) =&gt; {
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Balance of <span class="hljs-subst">${Alice}</span>: <span class="hljs-subst">${new BN(values[0]).toString(10)}</span> DOTs`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Balance of <span class="hljs-subst">${Alice}</span>: <span class="hljs-subst">${new BN(values[0]).toString(10)}</span> DOTs`</span>);
})
.then((subscriptionId) =&gt; {
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Balance changes subscription id:&apos;</span>, subscriptionId)
})
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Balance changes subscription id:&apos;</span>, subscriptionId);
});
</code></pre>
@@ -432,7 +432,7 @@ api.state
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"Listen to balance change","level":"2.4","depth":1,"next":{"title":"Generate Accounts","level":"2.5","depth":1,"path":"examples/04_generate_account/README.md","ref":"examples/04_generate_account/README.md","articles":[]},"previous":{"title":"Listen to blocks","level":"2.3","depth":1,"path":"examples/02_listen_to_blocks/README.md","ref":"examples/02_listen_to_blocks/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/03_listen_to_balance_change/README.md","mtime":"2018-09-25T16:22:52.658Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-25T16:27:51.734Z"},"basePath":"../..","book":{"language":""}});
gitbook.page.hasChanged({"page":{"title":"Listen to balance change","level":"2.4","depth":1,"next":{"title":"Generate Accounts","level":"2.5","depth":1,"path":"examples/04_generate_account/README.md","ref":"examples/04_generate_account/README.md","articles":[]},"previous":{"title":"Listen to blocks","level":"2.3","depth":1,"path":"examples/02_listen_to_blocks/README.md","ref":"examples/02_listen_to_blocks/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/03_listen_to_balance_change/README.md","mtime":"2018-09-26T05:25:07.927Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-26T05:30:25.997Z"},"basePath":"../..","book":{"language":""}});
});
</script>
</div>
docs/examples/04_generate_account/index.html
+19 -19
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@@ -371,37 +371,37 @@
<h1 id="generate-accounts">Generate accounts</h1>
<p>If you want to develop a wallet or a program that will accept payments in DOTs, you likely will need to generate addresses. This sample shows you how to generate accounts in several ways.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Keyring = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util-keyring&apos;</span>).default
<span class="hljs-keyword">const</span> u8aToHex = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util/u8a/toHex&apos;</span>).default
<span class="hljs-keyword">const</span> Encoder = <span class="hljs-keyword">new</span> TextEncoder() <span class="hljs-comment">// always utf-8</span>
<span class="hljs-keyword">const</span> crypto = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;crypto&apos;</span>)
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> crypto = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;crypto&apos;</span>);
<span class="hljs-keyword">const</span> Keyring = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util-keyring&apos;</span>).default;
<span class="hljs-keyword">const</span> u8aToHex = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util/u8a/toHex&apos;</span>).default;
<span class="hljs-keyword">const</span> Encoder = <span class="hljs-keyword">new</span> TextEncoder(); <span class="hljs-comment">// always utf-8</span>
<span class="hljs-comment">// A fixed seed from an array</span>
<span class="hljs-keyword">const</span> SEED1 = <span class="hljs-keyword">new</span> <span class="hljs-built_in">Uint8Array</span>([
<span class="hljs-number">1</span>, <span class="hljs-number">2</span>, <span class="hljs-number">3</span>, <span class="hljs-number">4</span>, <span class="hljs-number">5</span>, <span class="hljs-number">6</span>, <span class="hljs-number">7</span>, <span class="hljs-number">8</span>, <span class="hljs-number">9</span>, <span class="hljs-number">10</span>, <span class="hljs-number">11</span>, <span class="hljs-number">12</span>, <span class="hljs-number">13</span>, <span class="hljs-number">14</span>, <span class="hljs-number">15</span>, <span class="hljs-number">16</span>, <span class="hljs-number">17</span>, <span class="hljs-number">18</span>, <span class="hljs-number">19</span>, <span class="hljs-number">20</span>, <span class="hljs-number">21</span>,
<span class="hljs-number">22</span>, <span class="hljs-number">23</span>, <span class="hljs-number">24</span>, <span class="hljs-number">25</span>, <span class="hljs-number">26</span>, <span class="hljs-number">27</span>, <span class="hljs-number">28</span>, <span class="hljs-number">29</span>, <span class="hljs-number">30</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>
])
<span class="hljs-number">22</span>, <span class="hljs-number">23</span>, <span class="hljs-number">24</span>, <span class="hljs-number">25</span>, <span class="hljs-number">26</span>, <span class="hljs-number">27</span>, <span class="hljs-number">28</span>, <span class="hljs-number">29</span>, <span class="hljs-number">30</span>, <span class="hljs-number">0</span>, <span class="hljs-number">0</span>
]);
<span class="hljs-comment">// A fixed seed from a 32 chars string</span>
<span class="hljs-keyword">const</span> SEED2 = Encoder.encode(<span class="hljs-string">&apos;correct horse battery and staple&apos;</span>)
<span class="hljs-keyword">const</span> SEED2 = Encoder.encode(<span class="hljs-string">&apos;correct horse battery and staple&apos;</span>);
<span class="hljs-keyword">const</span> keyring = <span class="hljs-keyword">new</span> Keyring()
<span class="hljs-keyword">const</span> pair1 = keyring.addFromSeed(SEED1)
<span class="hljs-keyword">const</span> pair2 = keyring.addFromSeed(SEED2)
<span class="hljs-keyword">const</span> keyring = <span class="hljs-keyword">new</span> Keyring();
<span class="hljs-keyword">const</span> pair1 = keyring.addFromSeed(SEED1);
<span class="hljs-keyword">const</span> pair2 = keyring.addFromSeed(SEED2);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Deterministic addresses (same for each run):&apos;</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Address 1\t <span class="hljs-subst">${pair1.address()}</span>\t Seed: <span class="hljs-subst">${u8aToHex(SEED1)}</span>`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Address 2\t <span class="hljs-subst">${pair2.address()}</span>\t Seed: <span class="hljs-subst">${u8aToHex(SEED2)}</span>`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Deterministic addresses (same for each run):&apos;</span>);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Address 1\t <span class="hljs-subst">${pair1.address()}</span>\t Seed: <span class="hljs-subst">${u8aToHex(SEED1)}</span>`</span>);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Address 2\t <span class="hljs-subst">${pair2.address()}</span>\t Seed: <span class="hljs-subst">${u8aToHex(SEED2)}</span>`</span>);
<span class="hljs-comment">// A random seed</span>
<span class="hljs-keyword">const</span> SEED = <span class="hljs-keyword">new</span> <span class="hljs-built_in">Uint8Array</span>(<span class="hljs-number">32</span>)
<span class="hljs-keyword">const</span> SEED = <span class="hljs-keyword">new</span> <span class="hljs-built_in">Uint8Array</span>(<span class="hljs-number">32</span>);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Random Addresses (random for each run):&apos;</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Random Addresses (random for each run):&apos;</span>);
<span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> i = <span class="hljs-number">3</span>; i &lt; <span class="hljs-number">13</span>; i++) {
Buffer.from(crypto.randomFillSync(SEED))
<span class="hljs-keyword">const</span> pair3 = keyring.addFromSeed(SEED)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Address <span class="hljs-subst">${i}</span>\t <span class="hljs-subst">${pair3.address()}</span>\t Seed: <span class="hljs-subst">${u8aToHex(SEED)}</span>`</span>)
Buffer.from(crypto.randomFillSync(SEED));
<span class="hljs-keyword">const</span> pair3 = keyring.addFromSeed(SEED);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Address <span class="hljs-subst">${i}</span>\t <span class="hljs-subst">${pair3.address()}</span>\t Seed: <span class="hljs-subst">${u8aToHex(SEED)}</span>`</span>);
}
</code></pre>
@@ -447,7 +447,7 @@
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});
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</div>
docs/examples/05_read_storage/index.html
+19 -19
View File
@@ -370,39 +370,39 @@
<section class="normal markdown-section">
<h1 id="read-storage">Read storage</h1>
<p>Many important variable are available through the storage API. This example shows how to call a few of those APIs.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default
<span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>)
<p>Many important variables are available through the storage API. This example shows how to call a few of those APIs.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>);
<span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default;
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default;
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default;
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>)
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider)
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider);
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getAccountIndex</span> (<span class="hljs-params">address</span>) </span>{
<span class="hljs-keyword">return</span> api.state.getStorage([storage.system.public.accountIndexOf, address])
<span class="hljs-keyword">return</span> api.state.getStorage([storage.system.public.accountIndexOf, address]);
}
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getValidators</span> (<span class="hljs-params"></span>) </span>{
<span class="hljs-keyword">return</span> api.state.getStorage([storage.session.public.validators])
<span class="hljs-keyword">return</span> api.state.getStorage([storage.session.public.validators]);
}
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getBlockPeriod</span> (<span class="hljs-params"></span>) </span>{
<span class="hljs-keyword">return</span> api.state.getStorage([storage.timestamp.public.blockPeriod])
<span class="hljs-keyword">return</span> api.state.getStorage([storage.timestamp.public.blockPeriod]);
}
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">main</span> (<span class="hljs-params"></span>) </span>{
<span class="hljs-keyword">const</span> address = <span class="hljs-string">&apos;5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ&apos;</span>
<span class="hljs-keyword">const</span> validators = <span class="hljs-keyword">await</span> getValidators()
<span class="hljs-keyword">const</span> index = <span class="hljs-keyword">await</span> getAccountIndex(address)
<span class="hljs-keyword">const</span> blockPeriod = <span class="hljs-keyword">await</span> getBlockPeriod()
<span class="hljs-keyword">const</span> address = <span class="hljs-string">&apos;5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ&apos;</span>;
<span class="hljs-keyword">const</span> validators = <span class="hljs-keyword">await</span> getValidators();
<span class="hljs-keyword">const</span> index = <span class="hljs-keyword">await</span> getAccountIndex(address);
<span class="hljs-keyword">const</span> blockPeriod = <span class="hljs-keyword">await</span> getBlockPeriod();
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`BlockPeriod: <span class="hljs-subst">${new BN(blockPeriod).toString(10)}</span> seconds`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Account Index of <span class="hljs-subst">${address}</span>: <span class="hljs-subst">${index.toString(10)}</span>`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Current validators&apos;</span>, validators)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`BlockPeriod: <span class="hljs-subst">${new BN(blockPeriod).toString(10)}</span> seconds`</span>);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Account Index of <span class="hljs-subst">${address}</span>: <span class="hljs-subst">${index.toString(10)}</span>`</span>);
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Current validators&apos;</span>, validators);
}
main().finally(_ =&gt; process.exit())
main().finally(_ =&gt; process.exit());
</code></pre>
@@ -447,7 +447,7 @@ main().finally(_ =&gt; process.exit())
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
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});
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</div>
docs/examples/06_craft_extrinsic/index.html
+28 -32
View File
@@ -370,29 +370,29 @@
<section class="normal markdown-section">
<h1 id="craft-extrinsic">Craft Extrinsic</h1>
<p>In the current version, crafting an extrinsic is a rather cumbersome process. This sample guides you though it and shows how to tranfer DOTs from an account to another.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default
<span class="hljs-keyword">const</span> extrinsics = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics&apos;</span>).default
<span class="hljs-keyword">const</span> encodeExtrinsic = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode&apos;</span>).default
<span class="hljs-keyword">const</span> encodeLength = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode/length&apos;</span>).default
<span class="hljs-keyword">const</span> Keyring = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util-keyring&apos;</span>).default
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default
<span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>)
<p>In the current version, crafting an extrinsic is a rather cumbersome process. This sample guides you through it and shows how to tranfer DOTs from one an account to another.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>);
<span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default;
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default;
<span class="hljs-keyword">const</span> extrinsics = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics&apos;</span>).default;
<span class="hljs-keyword">const</span> encodeExtrinsic = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode&apos;</span>).default;
<span class="hljs-keyword">const</span> encodeLength = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode/length&apos;</span>).default;
<span class="hljs-keyword">const</span> Keyring = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util-keyring&apos;</span>).default;
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default;
<span class="hljs-keyword">const</span> Encoder = <span class="hljs-keyword">new</span> TextEncoder()
<span class="hljs-keyword">const</span> keyring = <span class="hljs-keyword">new</span> Keyring()
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>)
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider)
<span class="hljs-keyword">const</span> Encoder = <span class="hljs-keyword">new</span> TextEncoder();
<span class="hljs-keyword">const</span> keyring = <span class="hljs-keyword">new</span> Keyring();
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider);
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getAccountIndex</span> (<span class="hljs-params">address</span>) </span>{
<span class="hljs-keyword">return</span> api.state.getStorage([storage.system.public.accountIndexOf, address])
<span class="hljs-keyword">return</span> api.state.getStorage([storage.system.public.accountIndexOf, address]);
}
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">transfer</span> (<span class="hljs-params">keyRingFrom, addressTo, amount</span>) </span>{
<span class="hljs-keyword">const</span> accountIndex = <span class="hljs-keyword">await</span> getAccountIndex(keyRingFrom.address())
<span class="hljs-keyword">const</span> accountIndex = <span class="hljs-keyword">await</span> getAccountIndex(keyRingFrom.address());
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Current accountIndex: <span class="hljs-subst">${accountIndex}</span>`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Current accountIndex: <span class="hljs-subst">${accountIndex}</span>`</span>);
<span class="hljs-comment">// encode the call for signing</span>
<span class="hljs-keyword">const</span> message = encodeExtrinsic(
@@ -400,10 +400,10 @@
accountIndex,
extrinsics.staking.public.transfer,
[addressTo, amount]
)
);
<span class="hljs-comment">// get the signature</span>
<span class="hljs-keyword">const</span> signature = keyRingFrom.sign(message)
<span class="hljs-keyword">const</span> signature = keyRingFrom.sign(message);
<span class="hljs-comment">// encode the extrinsic for submission, adding the length (prefix) and the</span>
<span class="hljs-comment">// signature (postfix)R&#xF6;dl</span>
@@ -412,25 +412,21 @@
<span class="hljs-keyword">new</span> <span class="hljs-built_in">Uint8Array</span>([<span class="hljs-number">0xff</span>]),
message,
signature
)
);
<span class="hljs-keyword">return</span> api.author.submitExtrinsic(encoded)
<span class="hljs-keyword">return</span> api.author.submitExtrinsic(encoded);
}
<span class="hljs-keyword">const</span> Alice = keyring.addFromSeed(Encoder.encode(<span class="hljs-string">&apos;Alice &apos;</span>))
<span class="hljs-keyword">const</span> addressBob = <span class="hljs-string">&apos;5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE&apos;</span>
<span class="hljs-keyword">const</span> amount = <span class="hljs-keyword">new</span> BN(<span class="hljs-number">999</span>) <span class="hljs-comment">// on dev chain, the fee is 1, that makes it a round 1000</span>
<span class="hljs-keyword">const</span> Alice = keyring.addFromSeed(Encoder.encode(<span class="hljs-string">&apos;Alice &apos;</span>));
<span class="hljs-keyword">const</span> addressBob = <span class="hljs-string">&apos;5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE&apos;</span>;
<span class="hljs-keyword">const</span> amount = <span class="hljs-keyword">new</span> BN(<span class="hljs-number">999</span>); <span class="hljs-comment">// on dev chain, the fee is 1, that makes it a round 1000</span>
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Crafting and sending an extrinsic for Alice to send Bob <span class="hljs-subst">${amount}</span> DOTs`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Crafting and sending an extrinsic for Alice to send Bob <span class="hljs-subst">${amount}</span> DOTs`</span>);
transfer(Alice, addressBob, amount)
.then(() =&gt;
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Sent&apos;</span>)
)
.catch((e) =&gt;
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;HINT: Make sure you wait for the storage to update before sending the next extrinsic&apos;</span>, e)
)
.finally(_ =&gt; process.exit(<span class="hljs-number">0</span>))
.then(() =&gt; <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Sent&apos;</span>))
.catch((error) =&gt; <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;HINT: Make sure you wait for the storage to update before sending the next extrinsic&apos;</span>, error))
.finally(_ =&gt; process.exit(<span class="hljs-number">0</span>));
</code></pre>
@@ -475,7 +471,7 @@ transfer(Alice, addressBob, amount)
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
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docs/examples/07_transfer_dots/index.html
+23 -24
View File
@@ -368,27 +368,26 @@
<section class="normal markdown-section">
<h1 id="tranfer-dots">Tranfer DOTs</h1>
<p>This sample is more &apos;straight to the point&apos; and shows the easiest way to transfer DOTs from an account to another.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default
<span class="hljs-keyword">const</span> extrinsics = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics&apos;</span>).default
<span class="hljs-keyword">const</span> encodeExtrinsic = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode/uncheckedLength&apos;</span>).default
<span class="hljs-keyword">const</span> encodeLength = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode/length&apos;</span>).default
<span class="hljs-keyword">const</span> Keyring = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util-keyring&apos;</span>).default
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default
<span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>)
<p>This sample is more &apos;straight to the point&apos; and shows the easiest way to transfer DOTs from one an account to another.</p>
<pre><code class="lang-javascript"><span class="hljs-keyword">const</span> BN = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;bn.js&apos;</span>);
<span class="hljs-keyword">const</span> Api = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api&apos;</span>).default;
<span class="hljs-keyword">const</span> WsProvider = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/api-provider/ws&apos;</span>).default;
<span class="hljs-keyword">const</span> extrinsics = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics&apos;</span>).default;
<span class="hljs-keyword">const</span> encodeExtrinsic = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/extrinsics/codec/encode/uncheckedLength&apos;</span>).default;
<span class="hljs-keyword">const</span> Keyring = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/util-keyring&apos;</span>).default;
<span class="hljs-keyword">const</span> storage = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;@polkadot/storage&apos;</span>).default;
<span class="hljs-keyword">const</span> Encoder = <span class="hljs-keyword">new</span> TextEncoder()
<span class="hljs-keyword">const</span> keyring = <span class="hljs-keyword">new</span> Keyring()
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>)
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider)
<span class="hljs-keyword">const</span> Encoder = <span class="hljs-keyword">new</span> TextEncoder();
<span class="hljs-keyword">const</span> keyring = <span class="hljs-keyword">new</span> Keyring();
<span class="hljs-keyword">const</span> provider = <span class="hljs-keyword">new</span> WsProvider(<span class="hljs-string">&apos;ws://127.0.0.1:9944&apos;</span>);
<span class="hljs-keyword">const</span> api = <span class="hljs-keyword">new</span> Api(provider);
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">getAccountIndex</span> (<span class="hljs-params">address</span>) </span>{
<span class="hljs-keyword">return</span> api.state.getStorage([storage.system.public.accountIndexOf, address])
<span class="hljs-keyword">return</span> api.state.getStorage([storage.system.public.accountIndexOf, address]);
}
<span class="hljs-keyword">async</span> <span class="hljs-function"><span class="hljs-keyword">function</span> <span class="hljs-title">transfer</span> (<span class="hljs-params">keyRingFrom, addressTo, amount</span>) </span>{
<span class="hljs-keyword">const</span> nextAccountIndex = <span class="hljs-keyword">await</span> getAccountIndex(keyRingFrom.address())
<span class="hljs-keyword">const</span> nextAccountIndex = <span class="hljs-keyword">await</span> getAccountIndex(keyRingFrom.address());
<span class="hljs-comment">// encode the call for signing</span>
<span class="hljs-keyword">const</span> encoded = encodeExtrinsic(
@@ -396,22 +395,22 @@
nextAccountIndex,
extrinsics.staking.public.transfer,
[addressTo, amount]
)
);
<span class="hljs-keyword">await</span> api.author.submitExtrinsic(encoded)
.catch(e =&gt; <span class="hljs-built_in">console</span>.log)
.catch(e =&gt; <span class="hljs-built_in">console</span>.log);
}
<span class="hljs-keyword">const</span> Alice = keyring.addFromSeed(Encoder.encode(<span class="hljs-string">&apos;Alice &apos;</span>))
<span class="hljs-keyword">const</span> addressBob = <span class="hljs-string">&apos;5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE&apos;</span>
<span class="hljs-keyword">const</span> amount = <span class="hljs-keyword">new</span> BN(<span class="hljs-number">999</span>) <span class="hljs-comment">// on dev chain, the fee is 1, that makes it a round 1000</span>
<span class="hljs-keyword">const</span> Alice = keyring.addFromSeed(Encoder.encode(<span class="hljs-string">&apos;Alice &apos;</span>));
<span class="hljs-keyword">const</span> addressBob = <span class="hljs-string">&apos;5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE&apos;</span>;
<span class="hljs-keyword">const</span> amount = <span class="hljs-keyword">new</span> BN(<span class="hljs-number">999</span>); <span class="hljs-comment">// on dev chain, the fee is 1, that makes it a round 1000</span>
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Crafting and sending an extrinsic for Alice to send Bob <span class="hljs-subst">${amount}</span> DOTs`</span>)
<span class="hljs-built_in">console</span>.log(<span class="hljs-string">`Crafting and sending an extrinsic for Alice to send Bob <span class="hljs-subst">${amount}</span> DOTs`</span>);
transfer(Alice, addressBob, amount)
.then(() =&gt; <span class="hljs-built_in">console</span>.log(<span class="hljs-string">&apos;Done&apos;</span>))
.catch((e) =&gt; <span class="hljs-built_in">console</span>.log(e))
.finally(_ =&gt; process.exit(<span class="hljs-number">0</span>))
.catch((error) =&gt; <span class="hljs-built_in">console</span>.log(error))
.finally(_ =&gt; process.exit(<span class="hljs-number">0</span>));
</code></pre>
@@ -452,7 +451,7 @@ transfer(Alice, addressBob, amount)
<script>
var gitbook = gitbook || [];
gitbook.push(function() {
gitbook.page.hasChanged({"page":{"title":"Transfer DOTs","level":"2.8","depth":1,"previous":{"title":"Craft Extrinsic","level":"2.7","depth":1,"path":"examples/06_craft_extrinsic/README.md","ref":"examples/06_craft_extrinsic/README.md","articles":[]},"dir":"ltr"},"config":{"plugins":["include-codeblock"],"root":"docs","styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"pluginsConfig":{"include-codeblock":{"check":false,"edit":false,"lang":"","fixlang":false,"template":"default","theme":"chrome","unindent":false},"highlight":{},"search":{},"lunr":{"maxIndexSize":1000000,"ignoreSpecialCharacters":false},"sharing":{"facebook":true,"twitter":true,"google":false,"weibo":false,"instapaper":false,"vk":false,"all":["facebook","google","twitter","weibo","instapaper"]},"fontsettings":{"theme":"white","family":"sans","size":2},"theme-default":{"styles":{"website":"styles/website.css","pdf":"styles/pdf.css","epub":"styles/epub.css","mobi":"styles/mobi.css","ebook":"styles/ebook.css","print":"styles/print.css"},"showLevel":false}},"theme":"default","pdf":{"pageNumbers":true,"fontSize":12,"fontFamily":"Arial","paperSize":"a4","chapterMark":"pagebreak","pageBreaksBefore":"/","margin":{"right":62,"left":62,"top":56,"bottom":56}},"structure":{"langs":"LANGS.md","readme":"README.md","glossary":"GLOSSARY.md","summary":"SUMMARY.md"},"variables":{},"title":"Polkadot API Book","gitbook":">=2.4.0"},"file":{"path":"examples/07_transfer_dots/README.md","mtime":"2018-09-25T16:22:52.658Z","type":"markdown"},"gitbook":{"version":"3.2.3","time":"2018-09-25T16:27:51.734Z"},"basePath":"../..","book":{"language":""}});
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</div>
docs/examples/index.html
+3 -3
View File
@@ -377,8 +377,8 @@
<li>Alice: <code>5GoKvZWG5ZPYL1WUovuHW3zJBWBP5eT8CbqjdRY4Q6iMaDtZ</code></li>
<li>Bob: <code>5Gw3s7q4QLkSWwknsiPtjujPv3XM4Trxi5d4PgKMMk3gfGTE</code></li>
</ul>
<p>Those accounts are easy to add if you don&#xB4;t have/see them. The seed of Alice&#xB4;s account is <code>Alice&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;</code> and the seed of Bob is... well you guess...</p>
<p>NOTE: Note the spaces padding Alice&#xB4;s key up to 32 chars.</p>
<p>Those accounts are easy to add if you don&apos;t have/see them. The seed of Alice&apos;s account is <code>Alice&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;&#x2423;</code> and the seed of Bob is... well you guess...</p>
<p>NOTE: Note the spaces padding Alice&apos;s key up to 32 chars.</p>
<h2 id="install">Install</h2>
<p>From each folder, run <code>yarn</code> to install the required dependencies</p>
<h2 id="running-the-examples">Running the examples</h2>
@@ -427,7 +427,7 @@
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