cic-staff-client/docs/compodoc/injectables/BlockSyncService.html

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<!doctype html>
<html class="no-js" lang="">
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<div class="navbar navbar-default navbar-fixed-top visible-xs">
<a href="../" class="navbar-brand">CICADA</a>
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<compodoc-menu mode="normal"></compodoc-menu>
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<!-- START CONTENT -->
<div class="content injectable">
<div class="content-data">
<ol class="breadcrumb">
<li>Injectables</li>
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<li >BlockSyncService</li>
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</ol>
<ul class="nav nav-tabs" role="tablist">
<li class="active">
<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
</li>
<li >
<a href="#source" role="tab" id="source-tab" data-toggle="tab" data-link="source">Source</a>
</li>
</ul>
<div class="tab-content">
<div class="tab-pane fade active in" id="c-info">
<p class="comment">
<h3>File</h3>
</p>
<p class="comment">
<code>src/app/_services/block-sync.service.ts</code>
</p>
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<section>
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
<tbody>
<tr>
<td class="col-md-4">
<h6><b>Properties</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
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<a href="#readyState" >readyState</a>
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</li>
<li>
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<a href="#readyStateTarget" >readyStateTarget</a>
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</li>
</ul>
</td>
</tr>
<tr>
<td class="col-md-4">
<h6><b>Methods</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
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<span class="modifier">Async</span>
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<a href="#blockSync" >blockSync</a>
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</li>
<li>
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<a href="#fetcher" >fetcher</a>
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</li>
<li>
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<a href="#newEvent" >newEvent</a>
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</li>
<li>
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<a href="#readyStateProcessor" >readyStateProcessor</a>
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</li>
<li>
<span class="modifier">Async</span>
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<a href="#scan" >scan</a>
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</li>
</ul>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="constructor">Constructor</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
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<code>constructor(transactionService: <a href="../injectables/TransactionService.html" target="_self">TransactionService</a>)</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="15" class="link-to-prism">src/app/_services/block-sync.service.ts:15</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div>
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>transactionService</td>
<td>
<code><a href="../injectables/TransactionService.html" target="_self" >TransactionService</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="methods">
Methods
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="blockSync"></a>
<span class="name">
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<span class="modifier">Async</span>
<span ><b>blockSync</b></span>
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<a href="#blockSync"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
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<span class="modifier-icon icon ion-ios-reset"></span>
<code>blockSync(address: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, offset: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>, limit: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>)</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="19"
class="link-to-prism">src/app/_services/block-sync.service.ts:19</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
<td>Default value</td>
</tr>
</thead>
<tbody>
<tr>
<td>address</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
<td>
No
</td>
<td>
<code>null</code>
</td>
</tr>
<tr>
<td>offset</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
<td>
<code>0</code>
</td>
</tr>
<tr>
<td>limit</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
<td>
<code>100</code>
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
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<b>Returns : </b> <code>Promise&lt;void&gt;</code>
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</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="fetcher"></a>
<span class="name">
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<span ><b>fetcher</b></span>
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<a href="#fetcher"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
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<code>fetcher(settings: <a href="../classes/Settings.html" target="_self">Settings</a>, transactionsInfo: <a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank">any</a>)</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="100"
class="link-to-prism">src/app/_services/block-sync.service.ts:100</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>settings</td>
<td>
<code><a href="../classes/Settings.html" target="_self" >Settings</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>transactionsInfo</td>
<td>
<code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
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<a name="newEvent"></a>
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<span class="name">
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<span ><b>newEvent</b></span>
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<a href="#newEvent"><span class="icon ion-ios-link"></span></a>
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</span>
</td>
</tr>
<tr>
<td class="col-md-4">
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<code>newEvent(tx: <a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank">any</a>, eventType: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>)</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="71"
class="link-to-prism">src/app/_services/block-sync.service.ts:71</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>tx</td>
<td>
<code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</td>
<td>
No
</td>
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</tr>
<tr>
<td>eventType</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
<td>
No
</td>
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</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="readyStateProcessor"></a>
<span class="name">
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<span ><b>readyStateProcessor</b></span>
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<a href="#readyStateProcessor"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
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<code>readyStateProcessor(settings: <a href="../classes/Settings.html" target="_self">Settings</a>, bit: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>, address: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, offset: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>, limit: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>)</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="36"
class="link-to-prism">src/app/_services/block-sync.service.ts:36</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>settings</td>
<td>
<code><a href="../classes/Settings.html" target="_self" >Settings</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>bit</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>address</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank" >string</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>offset</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>limit</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="scan"></a>
<span class="name">
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<span class="modifier">Async</span>
<span ><b>scan</b></span>
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<a href="#scan"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<span class="modifier-icon icon ion-ios-reset"></span>
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<code>scan(settings: <a href="../classes/Settings.html" target="_self">Settings</a>, lo: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>, hi: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank">number</a>, bloomBlockBytes: Uint8Array, bloomBlocktxBytes: Uint8Array, bloomRounds: <a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank">any</a>)</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="79"
class="link-to-prism">src/app/_services/block-sync.service.ts:79</a></div>
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</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>settings</td>
<td>
<code><a href="../classes/Settings.html" target="_self" >Settings</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>lo</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>hi</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>bloomBlockBytes</td>
<td>
<code>Uint8Array</code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>bloomBlocktxBytes</td>
<td>
<code>Uint8Array</code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>bloomRounds</td>
<td>
<code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code>Promise&lt;void&gt;</code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
</section>
<section>
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<h3 id="inputs">
Properties
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="readyState"></a>
<span class="name">
<span ><b>readyState</b></span>
<a href="#readyState"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
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<tr>
<td class="col-md-4">
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<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Default value : </i><code>0</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="15" class="link-to-prism">src/app/_services/block-sync.service.ts:15</a></div>
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</td>
</tr>
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</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="readyStateTarget"></a>
<span class="name">
<span ><b>readyStateTarget</b></span>
<a href="#readyStateTarget"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
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<tr>
<td class="col-md-4">
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<i>Type : </i> <code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/number" target="_blank" >number</a></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Default value : </i><code>2</code>
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</td>
</tr>
<tr>
<td class="col-md-4">
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<div class="io-line">Defined in <a href="" data-line="14" class="link-to-prism">src/app/_services/block-sync.service.ts:14</a></div>
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</td>
</tr>
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</tbody>
</table>
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</section>
</div>
<div class="tab-pane fade tab-source-code" id="c-source">
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { Injectable } from &#x27;@angular/core&#x27;;
import { Settings } from &#x27;@app/_models&#x27;;
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import { TransactionHelper } from &#x27;@cicnet/cic-client&#x27;;
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import { first } from &#x27;rxjs/operators&#x27;;
import { TransactionService } from &#x27;@app/_services/transaction.service&#x27;;
import { environment } from &#x27;@src/environments/environment&#x27;;
import { RegistryService } from &#x27;@app/_services/registry.service&#x27;;
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import { Web3Service } from &#x27;@app/_services/web3.service&#x27;;
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@Injectable({
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providedIn: &#x27;root&#x27;,
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})
export class BlockSyncService {
readyStateTarget: number &#x3D; 2;
readyState: number &#x3D; 0;
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constructor(private transactionService: TransactionService) {}
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async blockSync(address: string &#x3D; null, offset: number &#x3D; 0, limit: number &#x3D; 100): Promise&lt;void&gt; {
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const settings: Settings &#x3D; new Settings(this.scan);
const readyStateElements: { network: number } &#x3D; { network: 2 };
settings.w3.provider &#x3D; environment.web3Provider;
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settings.w3.engine &#x3D; Web3Service.getInstance();
settings.registry &#x3D; await RegistryService.getRegistry();
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settings.txHelper &#x3D; new TransactionHelper(settings.w3.engine, settings.registry);
settings.txHelper.ontransfer &#x3D; async (transaction: any): Promise&lt;void&gt; &#x3D;&gt; {
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window.dispatchEvent(this.newEvent(transaction, &#x27;cic_transfer&#x27;));
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};
settings.txHelper.onconversion &#x3D; async (transaction: any): Promise&lt;any&gt; &#x3D;&gt; {
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window.dispatchEvent(this.newEvent(transaction, &#x27;cic_convert&#x27;));
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};
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this.readyStateProcessor(settings, readyStateElements.network, address, offset, limit);
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}
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readyStateProcessor(
settings: Settings,
bit: number,
address: string,
offset: number,
limit: number
): void {
// tslint:disable-next-line:no-bitwise
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this.readyState |&#x3D; bit;
if (this.readyStateTarget &#x3D;&#x3D;&#x3D; this.readyState &amp;&amp; this.readyStateTarget) {
const wHeadSync: Worker &#x3D; new Worker(&#x27;./../assets/js/block-sync/head.js&#x27;);
wHeadSync.onmessage &#x3D; (m) &#x3D;&gt; {
settings.txHelper.processReceipt(m.data);
};
wHeadSync.postMessage({
w3_provider: settings.w3.provider,
});
if (address &#x3D;&#x3D;&#x3D; null) {
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this.transactionService
.getAllTransactions(offset, limit)
.pipe(first())
.subscribe((res) &#x3D;&gt; {
this.fetcher(settings, res);
});
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} else {
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this.transactionService
.getAddressTransactions(address, offset, limit)
.pipe(first())
.subscribe((res) &#x3D;&gt; {
this.fetcher(settings, res);
});
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}
}
}
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newEvent(tx: any, eventType: string): any {
return new CustomEvent(eventType, {
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detail: {
tx,
},
});
}
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async scan(
settings: Settings,
lo: number,
hi: number,
bloomBlockBytes: Uint8Array,
bloomBlocktxBytes: Uint8Array,
bloomRounds: any
): Promise&lt;void&gt; {
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const w: Worker &#x3D; new Worker(&#x27;./../assets/js/block-sync/ondemand.js&#x27;);
w.onmessage &#x3D; (m) &#x3D;&gt; {
settings.txHelper.processReceipt(m.data);
};
w.postMessage({
w3_provider: settings.w3.provider,
lo,
hi,
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filters: [bloomBlockBytes, bloomBlocktxBytes],
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filter_rounds: bloomRounds,
});
}
fetcher(settings: Settings, transactionsInfo: any): void {
const blockFilterBinstr: string &#x3D; window.atob(transactionsInfo.block_filter);
const bOne: Uint8Array &#x3D; new Uint8Array(blockFilterBinstr.length);
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bOne.map((e, i, v) &#x3D;&gt; (v[i] &#x3D; blockFilterBinstr.charCodeAt(i)));
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const blocktxFilterBinstr: string &#x3D; window.atob(transactionsInfo.blocktx_filter);
const bTwo: Uint8Array &#x3D; new Uint8Array(blocktxFilterBinstr.length);
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bTwo.map((e, i, v) &#x3D;&gt; (v[i] &#x3D; blocktxFilterBinstr.charCodeAt(i)));
settings.scanFilter(
settings,
transactionsInfo.low,
transactionsInfo.high,
bOne,
bTwo,
transactionsInfo.filter_rounds
);
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}
}
</code></pre>
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