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cic-staff-client/docs/compodoc/injectables/TransactionService.html
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<!doctype html>
<html class="no-js" lang="">
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<title>CICADA</title>
<meta name="description" content="">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="icon" type="image/x-icon" href="../images/favicon.ico">
<link rel="stylesheet" href="../styles/style.css">
</head>
<body>
<div class="navbar navbar-default navbar-fixed-top visible-xs">
<a href="../" class="navbar-brand">CICADA</a>
<button type="button" class="btn btn-default btn-menu ion-ios-menu" id="btn-menu"></button>
</div>
<div class="xs-menu menu" id="mobile-menu">
<div id="book-search-input" role="search"><input type="text" placeholder="Type to search"></div> <compodoc-menu></compodoc-menu>
</div>
<div class="container-fluid main">
<div class="row main">
<div class="hidden-xs menu">
<compodoc-menu mode="normal"></compodoc-menu>
</div>
<!-- START CONTENT -->
<div class="content injectable">
<div class="content-data">
<ol class="breadcrumb">
<li>Injectables</li>
<li>TransactionService</li>
</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/transaction.service.ts</code>
</p>
<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>
<a href="#registry">registry</a>
</li>
<li>
<span class="modifier">Private</span>
<a href="#transactionList">transactionList</a>
</li>
<li>
<a href="#transactions">transactions</a>
</li>
<li>
<a href="#transactionsSubject">transactionsSubject</a>
</li>
<li>
<a href="#userInfo">userInfo</a>
</li>
<li>
<a href="#web3">web3</a>
</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>
<a href="#addTransaction">addTransaction</a>
</li>
<li>
<a href="#getAccountInfo">getAccountInfo</a>
</li>
<li>
<a href="#getAddressTransactions">getAddressTransactions</a>
</li>
<li>
<a href="#getAllTransactions">getAllTransactions</a>
</li>
<li>
<span class="modifier">Async</span>
<a href="#init">init</a>
</li>
<li>
<a href="#resetTransactionsList">resetTransactionsList</a>
</li>
<li>
<span class="modifier">Async</span>
<a href="#setConversion">setConversion</a>
</li>
<li>
<span class="modifier">Async</span>
<a href="#setTransaction">setTransaction</a>
</li>
<li>
<span class="modifier">Async</span>
<a href="#transferRequest">transferRequest</a>
</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">
<code>constructor(httpClient: <a href="https://angular.io/api/common/http/HttpClient" target="_blank">HttpClient</a>, authService: <a href="../injectables/AuthService.html">AuthService</a>, userService: <a href="../injectables/UserService.html">UserService</a>, loggingService: <a href="../injectables/LoggingService.html">LoggingService</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="33" class="link-to-prism">src/app/_services/transaction.service.ts:33</a></div>
</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>httpClient</td>
<td>
<code><a href="https://angular.io/api/common/http/HttpClient" target="_blank" >HttpClient</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>authService</td>
<td>
<code><a href="../injectables/AuthService.html" target="_self" >AuthService</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>userService</td>
<td>
<code><a href="../injectables/UserService.html" target="_self" >UserService</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>loggingService</td>
<td>
<code><a href="../injectables/LoggingService.html" target="_self" >LoggingService</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="addTransaction"></a>
<span class="name">
<b>
addTransaction
</b>
<a href="#addTransaction"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>addTransaction(transaction, cacheSize: <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">
<div class="io-line">Defined in <a href="" data-line="119"
class="link-to-prism">src/app/_services/transaction.service.ts:119</a></div>
</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>transaction</td>
<td>
</td>
<td>
No
</td>
</tr>
<tr>
<td>cacheSize</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="getAccountInfo"></a>
<span class="name">
<b>
getAccountInfo
</b>
<a href="#getAccountInfo"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>getAccountInfo(account: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, cacheSize: <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">
<div class="io-line">Defined in <a href="" data-line="139"
class="link-to-prism">src/app/_services/transaction.service.ts:139</a></div>
</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>account</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>
</td>
</tr>
<tr>
<td>cacheSize</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">
<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="getAddressTransactions"></a>
<span class="name">
<b>
getAddressTransactions
</b>
<a href="#getAddressTransactions"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>getAddressTransactions(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>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="54"
class="link-to-prism">src/app/_services/transaction.service.ts:54</a></div>
</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>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>Observable&lt;any&gt;</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="getAllTransactions"></a>
<span class="name">
<b>
getAllTransactions
</b>
<a href="#getAllTransactions"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>getAllTransactions(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>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="50"
class="link-to-prism">src/app/_services/transaction.service.ts:50</a></div>
</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>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>Observable&lt;any&gt;</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="init"></a>
<span class="name">
<b>
<span class="modifier">Async</span>
init
</b>
<a href="#init"><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>
<code>init()</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="44"
class="link-to-prism">src/app/_services/transaction.service.ts:44</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Returns : </b> <code>Promise&lt;void&gt;</code>
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="resetTransactionsList"></a>
<span class="name">
<b>
resetTransactionsList
</b>
<a href="#resetTransactionsList"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>resetTransactionsList()</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="134"
class="link-to-prism">src/app/_services/transaction.service.ts:134</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<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>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="setConversion"></a>
<span class="name">
<b>
<span class="modifier">Async</span>
setConversion
</b>
<a href="#setConversion"><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>
<code>setConversion(conversion, cacheSize)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="94"
class="link-to-prism">src/app/_services/transaction.service.ts:94</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>conversion</td>
<td>
No
</td>
</tr>
<tr>
<td>cacheSize</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>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="setTransaction"></a>
<span class="name">
<b>
<span class="modifier">Async</span>
setTransaction
</b>
<a href="#setTransaction"><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>
<code>setTransaction(transaction, cacheSize: <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">
<div class="io-line">Defined in <a href="" data-line="58"
class="link-to-prism">src/app/_services/transaction.service.ts:58</a></div>
</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>transaction</td>
<td>
</td>
<td>
No
</td>
</tr>
<tr>
<td>cacheSize</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>Promise&lt;void&gt;</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="transferRequest"></a>
<span class="name">
<b>
<span class="modifier">Async</span>
transferRequest
</b>
<a href="#transferRequest"><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>
<code>transferRequest(tokenAddress: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, senderAddress: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, recipientAddress: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/string" target="_blank">string</a>, value: <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">
<div class="io-line">Defined in <a href="" data-line="146"
class="link-to-prism">src/app/_services/transaction.service.ts:146</a></div>
</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>tokenAddress</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>senderAddress</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>recipientAddress</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>value</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>Promise&lt;any&gt;</code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="inputs">
Properties
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="registry"></a>
<span class="name">
<b>
registry</b>
<a href="#registry"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>CICRegistry</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="33" class="link-to-prism">src/app/_services/transaction.service.ts:33</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="transactionList"></a>
<span class="name">
<b>
<span class="modifier">Private</span>
transactionList</b>
<a href="#transactionList"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Default value : </i><code>new BehaviorSubject&lt;any[]&gt;(this.transactions)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="29" class="link-to-prism">src/app/_services/transaction.service.ts:29</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="transactions"></a>
<span class="name">
<b>
transactions</b>
<a href="#transactions"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>any[]</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Default value : </i><code>[]</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="28" class="link-to-prism">src/app/_services/transaction.service.ts:28</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="transactionsSubject"></a>
<span class="name">
<b>
transactionsSubject</b>
<a href="#transactionsSubject"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Default value : </i><code>this.transactionList.asObservable()</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="30" class="link-to-prism">src/app/_services/transaction.service.ts:30</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="userInfo"></a>
<span class="name">
<b>
userInfo</b>
<a href="#userInfo"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >any</a></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="31" class="link-to-prism">src/app/_services/transaction.service.ts:31</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="web3"></a>
<span class="name">
<b>
web3</b>
<a href="#web3"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>Web3</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="32" class="link-to-prism">src/app/_services/transaction.service.ts:32</a></div>
</td>
</tr>
</tbody>
</table>
</section>
</div>
<div class="tab-pane fade tab-source-code" id="c-source">
<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import { Injectable } from &#x27;@angular/core&#x27;;
import { first } from &#x27;rxjs/operators&#x27;;
import { BehaviorSubject, Observable } from &#x27;rxjs&#x27;;
import { environment } from &#x27;@src/environments/environment&#x27;;
import { Envelope, User } from &#x27;cic-client-meta&#x27;;
import { UserService } from &#x27;@app/_services/user.service&#x27;;
import { Keccak } from &#x27;sha3&#x27;;
import { utils } from &#x27;ethers&#x27;;
import { add0x, fromHex, strip0x, toHex } from &#x27;@src/assets/js/ethtx/dist/hex&#x27;;
import { Tx } from &#x27;@src/assets/js/ethtx/dist&#x27;;
import { toValue } from &#x27;@src/assets/js/ethtx/dist/tx&#x27;;
import * as secp256k1 from &#x27;secp256k1&#x27;;
import { AuthService } from &#x27;@app/_services/auth.service&#x27;;
import { defaultAccount } from &#x27;@app/_models&#x27;;
import { LoggingService } from &#x27;@app/_services/logging.service&#x27;;
import { HttpClient } from &#x27;@angular/common/http&#x27;;
import { CICRegistry } from &#x27;@cicnet/cic-client&#x27;;
import { RegistryService } from &#x27;@app/_services/registry.service&#x27;;
import Web3 from &#x27;web3&#x27;;
import { Web3Service } from &#x27;@app/_services/web3.service&#x27;;
import { KeystoreService } from &#x27;@app/_services/keystore.service&#x27;;
const vCard &#x3D; require(&#x27;vcard-parser&#x27;);
@Injectable({
providedIn: &#x27;root&#x27;,
})
export class TransactionService {
transactions: any[] &#x3D; [];
private transactionList &#x3D; new BehaviorSubject&lt;any[]&gt;(this.transactions);
transactionsSubject &#x3D; this.transactionList.asObservable();
userInfo: any;
web3: Web3;
registry: CICRegistry;
constructor(
private httpClient: HttpClient,
private authService: AuthService,
private userService: UserService,
private loggingService: LoggingService
) {
this.web3 &#x3D; Web3Service.getInstance();
}
async init(): Promise&lt;void&gt; {
await this.authService.init();
await this.userService.init();
this.registry &#x3D; await RegistryService.getRegistry();
}
getAllTransactions(offset: number, limit: number): Observable&lt;any&gt; {
return this.httpClient.get(&#x60;${environment.cicCacheUrl}/tx/${offset}/${limit}&#x60;);
}
getAddressTransactions(address: string, offset: number, limit: number): Observable&lt;any&gt; {
return this.httpClient.get(&#x60;${environment.cicCacheUrl}/tx/user/${address}/${offset}/${limit}&#x60;);
}
async setTransaction(transaction, cacheSize: number): Promise&lt;void&gt; {
if (this.transactions.find((cachedTx) &#x3D;&gt; cachedTx.tx.txHash &#x3D;&#x3D;&#x3D; transaction.tx.txHash)) {
return;
}
transaction.value &#x3D; Number(transaction.value);
transaction.type &#x3D; &#x27;transaction&#x27;;
try {
this.userService
.getAccountDetailsFromMeta(await User.toKey(transaction.from))
.pipe(first())
.subscribe(
(res) &#x3D;&gt; {
transaction.sender &#x3D; this.getAccountInfo(res, cacheSize);
},
(error) &#x3D;&gt; {
transaction.sender &#x3D; defaultAccount;
this.userService.addAccount(defaultAccount, cacheSize);
}
);
this.userService
.getAccountDetailsFromMeta(await User.toKey(transaction.to))
.pipe(first())
.subscribe(
(res) &#x3D;&gt; {
transaction.recipient &#x3D; this.getAccountInfo(res, cacheSize);
},
(error) &#x3D;&gt; {
transaction.recipient &#x3D; defaultAccount;
this.userService.addAccount(defaultAccount, cacheSize);
}
);
} finally {
this.addTransaction(transaction, cacheSize);
}
}
async setConversion(conversion, cacheSize): Promise&lt;void&gt; {
if (this.transactions.find((cachedTx) &#x3D;&gt; cachedTx.tx.txHash &#x3D;&#x3D;&#x3D; conversion.tx.txHash)) {
return;
}
conversion.type &#x3D; &#x27;conversion&#x27;;
conversion.fromValue &#x3D; Number(conversion.fromValue);
conversion.toValue &#x3D; Number(conversion.toValue);
try {
this.userService
.getAccountDetailsFromMeta(await User.toKey(conversion.trader))
.pipe(first())
.subscribe(
(res) &#x3D;&gt; {
conversion.sender &#x3D; conversion.recipient &#x3D; this.getAccountInfo(res);
},
(error) &#x3D;&gt; {
conversion.sender &#x3D; conversion.recipient &#x3D; defaultAccount;
this.userService.addAccount(defaultAccount, cacheSize);
}
);
} finally {
this.addTransaction(conversion, cacheSize);
}
}
addTransaction(transaction, cacheSize: number): void {
const savedIndex &#x3D; this.transactions.findIndex((tx) &#x3D;&gt; tx.tx.txHash &#x3D;&#x3D;&#x3D; transaction.tx.txHash);
if (savedIndex &#x3D;&#x3D;&#x3D; 0) {
return;
}
if (savedIndex &gt; 0) {
this.transactions.splice(savedIndex, 1);
}
this.transactions.unshift(transaction);
if (this.transactions.length &gt; cacheSize) {
this.transactions.length &#x3D; Math.min(this.transactions.length, cacheSize);
}
this.transactionList.next(this.transactions);
}
resetTransactionsList(): void {
this.transactions &#x3D; [];
this.transactionList.next(this.transactions);
}
getAccountInfo(account: string, cacheSize: number &#x3D; 100): any {
const accountInfo &#x3D; Envelope.fromJSON(JSON.stringify(account)).unwrap().m.data;
accountInfo.vcard &#x3D; vCard.parse(atob(accountInfo.vcard));
this.userService.addAccount(accountInfo, cacheSize);
return accountInfo;
}
async transferRequest(
tokenAddress: string,
senderAddress: string,
recipientAddress: string,
value: number
): Promise&lt;any&gt; {
const transferAuthAddress &#x3D; await this.registry.getContractAddressByName(
&#x27;TransferAuthorization&#x27;
);
const hashFunction &#x3D; new Keccak(256);
hashFunction.update(&#x27;createRequest(address,address,address,uint256)&#x27;);
const hash &#x3D; hashFunction.digest();
const methodSignature &#x3D; hash.toString(&#x27;hex&#x27;).substring(0, 8);
const abiCoder &#x3D; new utils.AbiCoder();
const abi &#x3D; await abiCoder.encode(
[&#x27;address&#x27;, &#x27;address&#x27;, &#x27;address&#x27;, &#x27;uint256&#x27;],
[senderAddress, recipientAddress, tokenAddress, value]
);
const data &#x3D; fromHex(methodSignature + strip0x(abi));
const tx &#x3D; new Tx(environment.bloxbergChainId);
tx.nonce &#x3D; await this.web3.eth.getTransactionCount(senderAddress);
tx.gasPrice &#x3D; Number(await this.web3.eth.getGasPrice());
tx.gasLimit &#x3D; 8000000;
tx.to &#x3D; fromHex(strip0x(transferAuthAddress));
tx.value &#x3D; toValue(value);
tx.data &#x3D; data;
const txMsg &#x3D; tx.message();
const keystore &#x3D; await KeystoreService.getKeystore();
const privateKey &#x3D; keystore.getPrivateKey();
if (!privateKey.isDecrypted()) {
const password &#x3D; window.prompt(&#x27;password&#x27;);
await privateKey.decrypt(password);
}
const signatureObject &#x3D; secp256k1.ecdsaSign(txMsg, privateKey.keyPacket.privateParams.d);
const r &#x3D; signatureObject.signature.slice(0, 32);
const s &#x3D; signatureObject.signature.slice(32);
const v &#x3D; signatureObject.recid;
tx.setSignature(r, s, v);
const txWire &#x3D; add0x(toHex(tx.serializeRLP()));
const result &#x3D; await this.web3.eth.sendSignedTransaction(txWire);
this.loggingService.sendInfoLevelMessage(&#x60;Result: ${result}&#x60;);
const transaction &#x3D; await this.web3.eth.getTransaction(result.transactionHash);
this.loggingService.sendInfoLevelMessage(&#x60;Transaction: ${transaction}&#x60;);
}
}
</code></pre>
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