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<h1 class="a-title"><strong>Reactive ÐApp Development</strong></h1>
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<p class="u-text-color-quiet u-text-l">A powerful tool for building dApps in your favorite framework</p>
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<h3 class="h5">Reactive</h3>
<p class="u-text-color-quiet">Methods are provided to track and subscribe to events, contract & state balances, and react to changes via observables</p>
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<h3 class="h5">Framework Agnostic</h3>
<p class="u-text-color-quiet">No matter your favorite JS framework, you can use Subspace to simplify your development process. It works with React or Angular in the browser, and of course plays well with nodejs</p>
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<h3 class="h5">Automatic Syncing</h3>
<p class="u-text-color-quiet">Subspace saves state to a local database ensuring your dApp always syncs from the last known point, even after reload.</p>
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<p class="a-subtitle u-text-color-focus">Features</p>
<h2 class="a-title">
Youll love the thoughtful architecture of Subspace
</h2>
</div>
<article class="o-distance">
<h3 class="h3">Event Tracking & Event Sourcing</h3>
<p class="u-text-color-quiet o-distance-xs">You can track events and react to their values. With Subspace observables doing event sourcing is easy.</p>
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<pre><code class="language-js">import { $average, $latest } from "@embarklabs/subspace";
const rating$ = Product.events.Rating.track().map("rating"));
rating$.pipe($latest(5), $average()).subscribe((rating) => {
console.log("average rating of the last 5 events is " + rating)
});</code></pre>
</article>
<article class="o-distance">
<h3 class="h3">Tracking State</h3>
<p class="u-text-color-quiet o-distance-xs">You can track changes to a contract state variable, by specifying the view function and arguments to call and query the contract.</p>
<a href="/getting-started.html#Tracking-state" title="" class="o-media-short o-distance-s">
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<pre><code class="language-js">const productTitle$ = ProductList.methods.products(0).track().map("title");
productTitle$.subscribe((title) => console.log("product title is " + title));
});</code></pre>
</article>
<article class="o-distance">
<h3 class="h3">Tracking balances</h3>
<p class="u-text-color-quiet o-distance-xs">You can also track changes in both ETH and ERC20 token balances</p>
<a href="/getting-started.html#Tracking-balances" title="" class="o-media-short o-distance-s">
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<pre><code class="language-js">const address = "0x0001020304050607080900010203040506070809";
subspace.trackBalance(address).subscribe((balance) => {
console.log("ETH balance is ", balance)
});
subspace.trackBalance(address, "0x744d70fdbe2ba4cf95131626614a1763df805b9e").subscribe((balance) => {
console.log("SNT balance is ", balance)
});</code></pre>
</article>
<article class="o-distance">
<h3 class="h3">React integration</h3>
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<p class="u-text-color-quiet o-distance-xs">Subspace can make any React component compatible with observables</p>
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2020-03-23 17:04:33 +00:00
<pre><code class="language-javascript"><script type="text/plain" class="">import { observe } from "@embarklabs/subspace/react";
2020-03-20 18:02:02 +00:00
const ProductComponent = ({ maxRating, minRating, averageRating }) => {
return <ul>
<li><b>minimum rating: </b> {minRating}</li>
<li><b>maximum rating: </b> {maxRating}</li>
<li><b>average rating: </b> {averageRating}</li>
</ul>;
};
const ReactiveProductComponent = observe(ProductComponent);
const Product = subspace.contract({abi, address});
const rating$ = Product.events.Rating.track().map("rating").pipe(map(x => parseInt(x)));
ReactDOM.render(
<ReactiveProductComponent
maxRating={rating$.pipe($max())}
minRating={rating$.pipe($min())}
averageRating={rating$.pipe($average())}
/>,
document.getElementById('hello-example')
);</script></code></pre>
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clone: 'o-header__top--clone',
stick: 'is-sticky',
unstick: 'is-unsticky'
}
};
if($(window).width() >= 767) {
var header = new Headhesive('.js-header', options);
}
$('.js-navigation-open').on('click', function(event) {
event.preventDefault();
$('.js-navigation-list').addClass('is-active');
});
$('.js-navigation-close').on('click', function(event) {
event.preventDefault();
$('.js-navigation-list').removeClass('is-active');
});
$('.js-header-keyvisual').addClass('is-active');
// Popup
$('.js-popup').magnificPopup({
type: 'inline',
preloader: false,
focus: '#name',
// When elemened is focused, some mobile browsers in some cases zoom in
// It looks not nice, so we disable it:
callbacks: {
beforeOpen: function() {
if($(window).width() < 700) {
this.st.focus = false;
} else {
this.st.focus = '#name';
}
}
}
});
// Scroll
$('.js-anchor-scroll').anchorScroll({
scrollSpeed: 800, // scroll speed
offsetTop: 100, // offset for fixed top bars (defaults to 0)
onScroll: function () {
// callback on scroll start
},
scrollEnd: function () {
// callback on scroll end
}
});
});
$('.js-docs-trigger').on('click', function(event) {
event.preventDefault();
$('.js-docs-sidebar').addClass('is-active');
});
$('.js-docs-trigger-close').on('click', function(event) {
event.preventDefault();
$('.js-docs-sidebar').removeClass('is-active');
});
</script>
</body>
2020-01-17 22:18:10 +00:00
</body>
</html>
2020-03-20 18:02:02 +00:00