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2 | <!doctype html>
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3 | <html lang="en">
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5 | <head>
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6 | <title>Code coverage report for src/ucan.ts</title>
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7 | <meta charset="utf-8" />
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8 | <link rel="stylesheet" href="../prettify.css" />
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19 | <body>
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20 | <div class='wrapper'>
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21 | <div class='pad1'>
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22 | <h1><a href="../index.html">All files</a> / <a href="index.html">src</a> ucan.ts</h1>
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23 | <div class='clearfix'>
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24 |
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25 | <div class='fl pad1y space-right2'>
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26 | <span class="strong">0% </span>
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27 | <span class="quiet">Statements</span>
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28 | <span class='fraction'>0/56</span>
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29 | </div>
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30 |
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31 |
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32 | <div class='fl pad1y space-right2'>
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33 | <span class="strong">0% </span>
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34 | <span class="quiet">Branches</span>
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35 | <span class='fraction'>0/40</span>
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36 | </div>
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37 |
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38 |
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39 | <div class='fl pad1y space-right2'>
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40 | <span class="strong">0% </span>
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41 | <span class="quiet">Functions</span>
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42 | <span class='fraction'>0/13</span>
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43 | </div>
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44 |
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45 |
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46 | <div class='fl pad1y space-right2'>
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47 | <span class="strong">0% </span>
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48 | <span class="quiet">Lines</span>
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49 | <span class='fraction'>0/52</span>
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50 | </div>
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51 |
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52 |
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53 | </div>
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54 | <p class="quiet">
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55 | Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block.
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56 | </p>
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57 | </div>
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58 | <div class='status-line low'></div>
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59 | <pre><table class="coverage">
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60 | <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a>
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61 | <a name='L2'></a><a href='#L2'>2</a>
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62 | <a name='L3'></a><a href='#L3'>3</a>
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63 | <a name='L4'></a><a href='#L4'>4</a>
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64 | <a name='L5'></a><a href='#L5'>5</a>
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65 | <a name='L6'></a><a href='#L6'>6</a>
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66 | <a name='L7'></a><a href='#L7'>7</a>
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67 | <a name='L8'></a><a href='#L8'>8</a>
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68 | <a name='L9'></a><a href='#L9'>9</a>
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69 | <a name='L10'></a><a href='#L10'>10</a>
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70 | <a name='L11'></a><a href='#L11'>11</a>
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71 | <a name='L12'></a><a href='#L12'>12</a>
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72 | <a name='L13'></a><a href='#L13'>13</a>
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73 | <a name='L14'></a><a href='#L14'>14</a>
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74 | <a name='L15'></a><a href='#L15'>15</a>
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75 | <a name='L16'></a><a href='#L16'>16</a>
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76 | <a name='L17'></a><a href='#L17'>17</a>
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77 | <a name='L18'></a><a href='#L18'>18</a>
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78 | <a name='L19'></a><a href='#L19'>19</a>
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79 | <a name='L20'></a><a href='#L20'>20</a>
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80 | <a name='L21'></a><a href='#L21'>21</a>
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81 | <a name='L22'></a><a href='#L22'>22</a>
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82 | <a name='L23'></a><a href='#L23'>23</a>
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83 | <a name='L24'></a><a href='#L24'>24</a>
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84 | <a name='L25'></a><a href='#L25'>25</a>
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85 | <a name='L26'></a><a href='#L26'>26</a>
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86 | <a name='L27'></a><a href='#L27'>27</a>
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87 | <a name='L28'></a><a href='#L28'>28</a>
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88 | <a name='L29'></a><a href='#L29'>29</a>
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89 | <a name='L30'></a><a href='#L30'>30</a>
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90 | <a name='L31'></a><a href='#L31'>31</a>
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91 | <a name='L32'></a><a href='#L32'>32</a>
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92 | <a name='L33'></a><a href='#L33'>33</a>
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93 | <a name='L34'></a><a href='#L34'>34</a>
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94 | <a name='L35'></a><a href='#L35'>35</a>
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95 | <a name='L36'></a><a href='#L36'>36</a>
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96 | <a name='L37'></a><a href='#L37'>37</a>
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97 | <a name='L38'></a><a href='#L38'>38</a>
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98 | <a name='L39'></a><a href='#L39'>39</a>
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99 | <a name='L40'></a><a href='#L40'>40</a>
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100 | <a name='L41'></a><a href='#L41'>41</a>
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101 | <a name='L42'></a><a href='#L42'>42</a>
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102 | <a name='L43'></a><a href='#L43'>43</a>
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103 | <a name='L44'></a><a href='#L44'>44</a>
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104 | <a name='L45'></a><a href='#L45'>45</a>
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105 | <a name='L46'></a><a href='#L46'>46</a>
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106 | <a name='L47'></a><a href='#L47'>47</a>
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107 | <a name='L48'></a><a href='#L48'>48</a>
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108 | <a name='L49'></a><a href='#L49'>49</a>
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109 | <a name='L50'></a><a href='#L50'>50</a>
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110 | <a name='L51'></a><a href='#L51'>51</a>
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111 | <a name='L52'></a><a href='#L52'>52</a>
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112 | <a name='L53'></a><a href='#L53'>53</a>
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113 | <a name='L54'></a><a href='#L54'>54</a>
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114 | <a name='L55'></a><a href='#L55'>55</a>
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115 | <a name='L56'></a><a href='#L56'>56</a>
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116 | <a name='L57'></a><a href='#L57'>57</a>
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117 | <a name='L58'></a><a href='#L58'>58</a>
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118 | <a name='L59'></a><a href='#L59'>59</a>
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119 | <a name='L60'></a><a href='#L60'>60</a>
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120 | <a name='L61'></a><a href='#L61'>61</a>
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121 | <a name='L62'></a><a href='#L62'>62</a>
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122 | <a name='L63'></a><a href='#L63'>63</a>
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123 | <a name='L64'></a><a href='#L64'>64</a>
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124 | <a name='L65'></a><a href='#L65'>65</a>
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125 | <a name='L66'></a><a href='#L66'>66</a>
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126 | <a name='L67'></a><a href='#L67'>67</a>
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127 | <a name='L68'></a><a href='#L68'>68</a>
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128 | <a name='L69'></a><a href='#L69'>69</a>
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129 | <a name='L70'></a><a href='#L70'>70</a>
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130 | <a name='L71'></a><a href='#L71'>71</a>
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131 | <a name='L72'></a><a href='#L72'>72</a>
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132 | <a name='L73'></a><a href='#L73'>73</a>
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133 | <a name='L74'></a><a href='#L74'>74</a>
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134 | <a name='L75'></a><a href='#L75'>75</a>
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135 | <a name='L76'></a><a href='#L76'>76</a>
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136 | <a name='L77'></a><a href='#L77'>77</a>
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137 | <a name='L78'></a><a href='#L78'>78</a>
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138 | <a name='L79'></a><a href='#L79'>79</a>
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139 | <a name='L80'></a><a href='#L80'>80</a>
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140 | <a name='L81'></a><a href='#L81'>81</a>
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141 | <a name='L82'></a><a href='#L82'>82</a>
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142 | <a name='L83'></a><a href='#L83'>83</a>
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143 | <a name='L84'></a><a href='#L84'>84</a>
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144 | <a name='L85'></a><a href='#L85'>85</a>
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145 | <a name='L86'></a><a href='#L86'>86</a>
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146 | <a name='L87'></a><a href='#L87'>87</a>
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147 | <a name='L88'></a><a href='#L88'>88</a>
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148 | <a name='L89'></a><a href='#L89'>89</a>
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149 | <a name='L90'></a><a href='#L90'>90</a>
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150 | <a name='L91'></a><a href='#L91'>91</a>
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151 | <a name='L92'></a><a href='#L92'>92</a>
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152 | <a name='L93'></a><a href='#L93'>93</a>
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153 | <a name='L94'></a><a href='#L94'>94</a>
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154 | <a name='L95'></a><a href='#L95'>95</a>
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155 | <a name='L96'></a><a href='#L96'>96</a>
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156 | <a name='L97'></a><a href='#L97'>97</a>
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157 | <a name='L98'></a><a href='#L98'>98</a>
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158 | <a name='L99'></a><a href='#L99'>99</a>
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159 | <a name='L100'></a><a href='#L100'>100</a>
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160 | <a name='L101'></a><a href='#L101'>101</a>
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161 | <a name='L102'></a><a href='#L102'>102</a>
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162 | <a name='L103'></a><a href='#L103'>103</a>
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163 | <a name='L104'></a><a href='#L104'>104</a>
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164 | <a name='L105'></a><a href='#L105'>105</a>
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165 | <a name='L106'></a><a href='#L106'>106</a>
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166 | <a name='L107'></a><a href='#L107'>107</a>
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167 | <a name='L108'></a><a href='#L108'>108</a>
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168 | <a name='L109'></a><a href='#L109'>109</a>
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169 | <a name='L110'></a><a href='#L110'>110</a>
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170 | <a name='L111'></a><a href='#L111'>111</a>
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171 | <a name='L112'></a><a href='#L112'>112</a>
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172 | <a name='L113'></a><a href='#L113'>113</a>
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173 | <a name='L114'></a><a href='#L114'>114</a>
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174 | <a name='L115'></a><a href='#L115'>115</a>
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175 | <a name='L116'></a><a href='#L116'>116</a>
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176 | <a name='L117'></a><a href='#L117'>117</a>
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177 | <a name='L118'></a><a href='#L118'>118</a>
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178 | <a name='L119'></a><a href='#L119'>119</a>
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179 | <a name='L120'></a><a href='#L120'>120</a>
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180 | <a name='L121'></a><a href='#L121'>121</a>
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181 | <a name='L122'></a><a href='#L122'>122</a>
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182 | <a name='L123'></a><a href='#L123'>123</a>
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183 | <a name='L124'></a><a href='#L124'>124</a>
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184 | <a name='L125'></a><a href='#L125'>125</a>
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185 | <a name='L126'></a><a href='#L126'>126</a>
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186 | <a name='L127'></a><a href='#L127'>127</a>
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187 | <a name='L128'></a><a href='#L128'>128</a>
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188 | <a name='L129'></a><a href='#L129'>129</a>
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189 | <a name='L130'></a><a href='#L130'>130</a>
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190 | <a name='L131'></a><a href='#L131'>131</a>
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191 | <a name='L132'></a><a href='#L132'>132</a>
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192 | <a name='L133'></a><a href='#L133'>133</a>
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193 | <a name='L134'></a><a href='#L134'>134</a>
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194 | <a name='L135'></a><a href='#L135'>135</a>
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195 | <a name='L136'></a><a href='#L136'>136</a>
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196 | <a name='L137'></a><a href='#L137'>137</a>
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197 | <a name='L138'></a><a href='#L138'>138</a>
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198 | <a name='L139'></a><a href='#L139'>139</a>
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199 | <a name='L140'></a><a href='#L140'>140</a>
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200 | <a name='L141'></a><a href='#L141'>141</a>
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201 | <a name='L142'></a><a href='#L142'>142</a>
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202 | <a name='L143'></a><a href='#L143'>143</a>
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203 | <a name='L144'></a><a href='#L144'>144</a>
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204 | <a name='L145'></a><a href='#L145'>145</a>
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205 | <a name='L146'></a><a href='#L146'>146</a>
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206 | <a name='L147'></a><a href='#L147'>147</a>
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207 | <a name='L148'></a><a href='#L148'>148</a>
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208 | <a name='L149'></a><a href='#L149'>149</a>
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209 | <a name='L150'></a><a href='#L150'>150</a>
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210 | <a name='L151'></a><a href='#L151'>151</a>
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211 | <a name='L152'></a><a href='#L152'>152</a>
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212 | <a name='L153'></a><a href='#L153'>153</a>
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213 | <a name='L154'></a><a href='#L154'>154</a>
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214 | <a name='L155'></a><a href='#L155'>155</a>
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215 | <a name='L156'></a><a href='#L156'>156</a>
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216 | <a name='L157'></a><a href='#L157'>157</a>
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217 | <a name='L158'></a><a href='#L158'>158</a>
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218 | <a name='L159'></a><a href='#L159'>159</a>
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219 | <a name='L160'></a><a href='#L160'>160</a>
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220 | <a name='L161'></a><a href='#L161'>161</a>
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221 | <a name='L162'></a><a href='#L162'>162</a>
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222 | <a name='L163'></a><a href='#L163'>163</a>
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223 | <a name='L164'></a><a href='#L164'>164</a>
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224 | <a name='L165'></a><a href='#L165'>165</a>
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225 | <a name='L166'></a><a href='#L166'>166</a>
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226 | <a name='L167'></a><a href='#L167'>167</a>
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227 | <a name='L168'></a><a href='#L168'>168</a>
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228 | <a name='L169'></a><a href='#L169'>169</a>
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229 | <a name='L170'></a><a href='#L170'>170</a>
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230 | <a name='L171'></a><a href='#L171'>171</a>
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231 | <a name='L172'></a><a href='#L172'>172</a>
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232 | <a name='L173'></a><a href='#L173'>173</a>
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233 | <a name='L174'></a><a href='#L174'>174</a>
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234 | <a name='L175'></a><a href='#L175'>175</a>
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235 | <a name='L176'></a><a href='#L176'>176</a>
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236 | <a name='L177'></a><a href='#L177'>177</a>
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237 | <a name='L178'></a><a href='#L178'>178</a>
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238 | <a name='L179'></a><a href='#L179'>179</a>
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239 | <a name='L180'></a><a href='#L180'>180</a>
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240 | <a name='L181'></a><a href='#L181'>181</a>
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241 | <a name='L182'></a><a href='#L182'>182</a>
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242 | <a name='L183'></a><a href='#L183'>183</a>
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243 | <a name='L184'></a><a href='#L184'>184</a>
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244 | <a name='L185'></a><a href='#L185'>185</a>
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245 | <a name='L186'></a><a href='#L186'>186</a>
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246 | <a name='L187'></a><a href='#L187'>187</a>
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247 | <a name='L188'></a><a href='#L188'>188</a>
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248 | <a name='L189'></a><a href='#L189'>189</a>
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249 | <a name='L190'></a><a href='#L190'>190</a>
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250 | <a name='L191'></a><a href='#L191'>191</a>
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251 | <a name='L192'></a><a href='#L192'>192</a>
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252 | <a name='L193'></a><a href='#L193'>193</a>
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253 | <a name='L194'></a><a href='#L194'>194</a>
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254 | <a name='L195'></a><a href='#L195'>195</a>
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255 | <a name='L196'></a><a href='#L196'>196</a>
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256 | <a name='L197'></a><a href='#L197'>197</a>
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257 | <a name='L198'></a><a href='#L198'>198</a>
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258 | <a name='L199'></a><a href='#L199'>199</a>
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259 | <a name='L200'></a><a href='#L200'>200</a>
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260 | <a name='L201'></a><a href='#L201'>201</a>
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261 | <a name='L202'></a><a href='#L202'>202</a>
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262 | <a name='L203'></a><a href='#L203'>203</a>
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263 | <a name='L204'></a><a href='#L204'>204</a>
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264 | <a name='L205'></a><a href='#L205'>205</a>
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265 | <a name='L206'></a><a href='#L206'>206</a>
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266 | <a name='L207'></a><a href='#L207'>207</a>
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267 | <a name='L208'></a><a href='#L208'>208</a>
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268 | <a name='L209'></a><a href='#L209'>209</a>
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269 | <a name='L210'></a><a href='#L210'>210</a>
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270 | <a name='L211'></a><a href='#L211'>211</a>
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271 | <a name='L212'></a><a href='#L212'>212</a>
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272 | <a name='L213'></a><a href='#L213'>213</a>
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273 | <a name='L214'></a><a href='#L214'>214</a>
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274 | <a name='L215'></a><a href='#L215'>215</a>
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275 | <a name='L216'></a><a href='#L216'>216</a>
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276 | <a name='L217'></a><a href='#L217'>217</a>
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277 | <a name='L218'></a><a href='#L218'>218</a>
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278 | <a name='L219'></a><a href='#L219'>219</a>
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279 | <a name='L220'></a><a href='#L220'>220</a>
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280 | <a name='L221'></a><a href='#L221'>221</a>
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281 | <a name='L222'></a><a href='#L222'>222</a>
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282 | <a name='L223'></a><a href='#L223'>223</a>
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283 | <a name='L224'></a><a href='#L224'>224</a>
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284 | <a name='L225'></a><a href='#L225'>225</a>
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285 | <a name='L226'></a><a href='#L226'>226</a>
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286 | <a name='L227'></a><a href='#L227'>227</a>
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287 | <a name='L228'></a><a href='#L228'>228</a>
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288 | <a name='L229'></a><a href='#L229'>229</a>
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289 | <a name='L230'></a><a href='#L230'>230</a>
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290 | <a name='L231'></a><a href='#L231'>231</a>
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291 | <a name='L232'></a><a href='#L232'>232</a>
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292 | <a name='L233'></a><a href='#L233'>233</a>
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293 | <a name='L234'></a><a href='#L234'>234</a>
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294 | <a name='L235'></a><a href='#L235'>235</a>
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295 | <a name='L236'></a><a href='#L236'>236</a>
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296 | <a name='L237'></a><a href='#L237'>237</a>
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297 | <a name='L238'></a><a href='#L238'>238</a>
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298 | <a name='L239'></a><a href='#L239'>239</a>
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299 | <a name='L240'></a><a href='#L240'>240</a>
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300 | <a name='L241'></a><a href='#L241'>241</a>
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301 | <a name='L242'></a><a href='#L242'>242</a>
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302 | <a name='L243'></a><a href='#L243'>243</a>
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303 | <a name='L244'></a><a href='#L244'>244</a>
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304 | <a name='L245'></a><a href='#L245'>245</a>
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305 | <a name='L246'></a><a href='#L246'>246</a>
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306 | <a name='L247'></a><a href='#L247'>247</a>
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307 | <a name='L248'></a><a href='#L248'>248</a>
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308 | <a name='L249'></a><a href='#L249'>249</a>
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309 | <a name='L250'></a><a href='#L250'>250</a>
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310 | <a name='L251'></a><a href='#L251'>251</a>
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311 | <a name='L252'></a><a href='#L252'>252</a>
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312 | <a name='L253'></a><a href='#L253'>253</a>
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313 | <a name='L254'></a><a href='#L254'>254</a>
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314 | <a name='L255'></a><a href='#L255'>255</a>
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315 | <a name='L256'></a><a href='#L256'>256</a>
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316 | <a name='L257'></a><a href='#L257'>257</a>
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317 | <a name='L258'></a><a href='#L258'>258</a>
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318 | <a name='L259'></a><a href='#L259'>259</a>
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319 | <a name='L260'></a><a href='#L260'>260</a>
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320 | <a name='L261'></a><a href='#L261'>261</a>
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321 | <a name='L262'></a><a href='#L262'>262</a>
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322 | <a name='L263'></a><a href='#L263'>263</a>
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323 | <a name='L264'></a><a href='#L264'>264</a>
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324 | <a name='L265'></a><a href='#L265'>265</a>
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325 | <a name='L266'></a><a href='#L266'>266</a>
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326 | <a name='L267'></a><a href='#L267'>267</a>
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327 | <a name='L268'></a><a href='#L268'>268</a>
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328 | <a name='L269'></a><a href='#L269'>269</a>
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329 | <a name='L270'></a><a href='#L270'>270</a>
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330 | <a name='L271'></a><a href='#L271'>271</a>
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331 | <a name='L272'></a><a href='#L272'>272</a>
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332 | <a name='L273'></a><a href='#L273'>273</a>
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333 | <a name='L274'></a><a href='#L274'>274</a>
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334 | <a name='L275'></a><a href='#L275'>275</a>
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335 | <a name='L276'></a><a href='#L276'>276</a>
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336 | <a name='L277'></a><a href='#L277'>277</a>
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337 | <a name='L278'></a><a href='#L278'>278</a>
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338 | <a name='L279'></a><a href='#L279'>279</a>
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339 | <a name='L280'></a><a href='#L280'>280</a>
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340 | <a name='L281'></a><a href='#L281'>281</a>
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341 | <a name='L282'></a><a href='#L282'>282</a>
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342 | <a name='L283'></a><a href='#L283'>283</a>
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343 | <a name='L284'></a><a href='#L284'>284</a>
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344 | <a name='L285'></a><a href='#L285'>285</a>
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345 | <a name='L286'></a><a href='#L286'>286</a>
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346 | <a name='L287'></a><a href='#L287'>287</a>
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347 | <a name='L288'></a><a href='#L288'>288</a>
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348 | <a name='L289'></a><a href='#L289'>289</a>
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349 | <a name='L290'></a><a href='#L290'>290</a>
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350 | <a name='L291'></a><a href='#L291'>291</a>
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351 | <a name='L292'></a><a href='#L292'>292</a>
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352 | <a name='L293'></a><a href='#L293'>293</a>
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353 | <a name='L294'></a><a href='#L294'>294</a>
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354 | <a name='L295'></a><a href='#L295'>295</a>
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355 | <a name='L296'></a><a href='#L296'>296</a>
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356 | <a name='L297'></a><a href='#L297'>297</a>
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357 | <a name='L298'></a><a href='#L298'>298</a>
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358 | <a name='L299'></a><a href='#L299'>299</a>
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359 | <a name='L300'></a><a href='#L300'>300</a>
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360 | <a name='L301'></a><a href='#L301'>301</a>
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361 | <a name='L302'></a><a href='#L302'>302</a>
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362 | <a name='L303'></a><a href='#L303'>303</a>
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363 | <a name='L304'></a><a href='#L304'>304</a>
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364 | <a name='L305'></a><a href='#L305'>305</a>
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365 | <a name='L306'></a><a href='#L306'>306</a>
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366 | <a name='L307'></a><a href='#L307'>307</a>
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367 | <a name='L308'></a><a href='#L308'>308</a></td><td class="line-coverage quiet"><span class="cline-any cline-neutral"> </span>
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673 | <span class="cline-any cline-neutral"> </span>
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674 | <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { CryptoSystem } from 'keystore-idb/types'
|
675 |
|
676 | import * as did from './did'
|
677 | import * as keystore from './keystore'
|
678 | import { base64 } from './common'
|
679 |
|
680 | // TYPES
|
681 |
|
682 | export type SessionKey = {
|
683 | sessionKey: string
|
684 | }
|
685 |
|
686 | export type Fact = SessionKey | Record<string, string>
|
687 |
|
688 | export type Resource =
|
689 | "*" | Record<string, string>
|
690 |
|
691 | export type UcanHeader = {
|
692 | alg: string
|
693 | typ: string
|
694 | uav: string
|
695 | }
|
696 |
|
697 | export type UcanPayload = {
|
698 | aud: string
|
699 | exp: number
|
700 | fct: Array<Fact>
|
701 | iss: string
|
702 | nbf: number
|
703 | prf: Ucan | undefined
|
704 | ptc: string | undefined | null
|
705 | rsc: Resource
|
706 | }
|
707 |
|
708 | export type Ucan = {
|
709 | header: UcanHeader
|
710 | payload: UcanPayload
|
711 | signature: string | null
|
712 | }
|
713 |
|
714 | // CONSTANTS
|
715 |
|
716 |
|
717 | // TODO: Waiting on API change.
|
718 | // Should be `dnslink`
|
719 | export const WNFS_PREFIX = <span class="cstat-no" title="statement not covered" >"floofs"</span>
|
720 |
|
721 |
|
722 |
|
723 | // FUNCTIONS
|
724 |
|
725 |
|
726 | /**
|
727 | * Create a UCAN, User Controlled Authorization Networks, JWT.
|
728 | * This JWT can be used for authorization.
|
729 | *
|
730 | * ### Header
|
731 | *
|
732 | * `alg`, Algorithm, the type of signature.
|
733 | * `typ`, Type, the type of this data structure, JWT.
|
734 | * `uav`, UCAN version.
|
735 | *
|
736 | * ### Payload
|
737 | *
|
738 | * `aud`, Audience, the ID of who it's intended for.
|
739 | * `exp`, Expiry, unix timestamp of when the jwt is no longer valid.
|
740 | * `iss`, Issuer, the ID of who sent this.
|
741 | * `nbf`, Not Before, unix timestamp of when the jwt becomes valid.
|
742 | * `prf`, Proof, an optional nested token with equal or greater privileges.
|
743 | * `ptc`, Potency, which rights come with the token.
|
744 | * `rsc`, Resource, the involved resource.
|
745 | *
|
746 | */
|
747 | export async function <span class="fstat-no" title="function not covered" >build(</span>{
|
748 | addSignature = <span class="branch-0 cbranch-no" title="branch not covered" >true,</span>
|
749 | audience,
|
750 | facts = <span class="branch-0 cbranch-no" title="branch not covered" >[],</span>
|
751 | issuer,
|
752 | lifetimeInSeconds = <span class="branch-0 cbranch-no" title="branch not covered" >30,</span>
|
753 | potency = <span class="branch-0 cbranch-no" title="branch not covered" >'APPEND',</span>
|
754 | proof,
|
755 | resource = <span class="branch-0 cbranch-no" title="branch not covered" >'*'</span>
|
756 | }: {
|
757 | addSignature?: boolean
|
758 | audience: string
|
759 | facts?: Array<Fact>
|
760 | issuer: string
|
761 | lifetimeInSeconds?: number
|
762 | potency?: string | null
|
763 | proof?: Ucan
|
764 | resource?: Resource
|
765 | }): Promise<Ucan> {
|
766 | const ks = <span class="cstat-no" title="statement not covered" >await keystore.get()</span>
|
767 | const currentTimeInSeconds = <span class="cstat-no" title="statement not covered" >Math.floor(Date.now() / 1000)</span>
|
768 |
|
769 | // Header
|
770 | const header = <span class="cstat-no" title="statement not covered" >{</span>
|
771 | alg: jwtAlgorithm(ks.cfg.type) || 'UnknownAlgorithm',
|
772 | typ: 'JWT',
|
773 | uav: '1.0.0' // actually 0.3.1 but server isn't updated yet
|
774 | }
|
775 |
|
776 | // Timestamps
|
777 | let exp = <span class="cstat-no" title="statement not covered" >currentTimeInSeconds + lifetimeInSeconds</span>
|
778 | let nbf = <span class="cstat-no" title="statement not covered" >currentTimeInSeconds - 60</span>
|
779 |
|
780 | <span class="cstat-no" title="statement not covered" > if (proof) {</span>
|
781 | const prf = <span class="cstat-no" title="statement not covered" >proof.payload</span>
|
782 |
|
783 | <span class="cstat-no" title="statement not covered" > exp = Math.min(prf.exp, exp)</span>
|
784 | <span class="cstat-no" title="statement not covered" > nbf = Math.max(prf.nbf, nbf)</span>
|
785 | }
|
786 |
|
787 | // Payload
|
788 | const payload = <span class="cstat-no" title="statement not covered" >{</span>
|
789 | aud: audience,
|
790 | exp: exp,
|
791 | fct: facts,
|
792 | iss: issuer || await did.ucan(),
|
793 | nbf: nbf,
|
794 | prf: proof,
|
795 | ptc: potency,
|
796 | rsc: resource,
|
797 | }
|
798 |
|
799 | const signature = <span class="cstat-no" title="statement not covered" >addSignature ? await sign(header, payload) : null</span>
|
800 |
|
801 | <span class="cstat-no" title="statement not covered" > return {</span>
|
802 | header,
|
803 | payload,
|
804 | signature
|
805 | }
|
806 | }
|
807 |
|
808 | /**
|
809 | * Given a list of UCANs, generate a dictionary.
|
810 | * The key will be in the form of `${resourceKey}:${resourceValue}`
|
811 | */
|
812 | export function <span class="fstat-no" title="function not covered" >compileDictionary(</span>ucans: Array<string>): Record<string, Ucan> {
|
813 | <span class="cstat-no" title="statement not covered" > return ucans.reduce(<span class="fstat-no" title="function not covered" >(a</span>cc, ucanString) => {</span>
|
814 | const ucan = <span class="cstat-no" title="statement not covered" >decode(ucanString)</span>
|
815 | const { rsc } = <span class="cstat-no" title="statement not covered" >ucan.payload</span>
|
816 |
|
817 | <span class="cstat-no" title="statement not covered" > if (typeof rsc !== "object") {</span>
|
818 | <span class="cstat-no" title="statement not covered" > return { ...acc, [rsc]: ucan }</span>
|
819 | }
|
820 |
|
821 | const resource = <span class="cstat-no" title="statement not covered" >Array.from(Object.entries(rsc))[0]</span>
|
822 | const key = <span class="cstat-no" title="statement not covered" >resource[0] + ":" + (</span>
|
823 | resource[0] === WNFS_PREFIX
|
824 | ? resource[1].replace(/\/+$/, "")
|
825 | : resource[1]
|
826 | )
|
827 |
|
828 | <span class="cstat-no" title="statement not covered" > return { ...acc, [key]: ucan }</span>
|
829 | }, {})
|
830 | }
|
831 |
|
832 | /**
|
833 | * Try to decode a UCAN.
|
834 | * Will throw if it fails.
|
835 | *
|
836 | * @param ucan The encoded UCAN to decode
|
837 | */
|
838 | export function <span class="fstat-no" title="function not covered" >decode(</span>ucan: string): Ucan {
|
839 | const split = <span class="cstat-no" title="statement not covered" >ucan.split(".")</span>
|
840 | const header = <span class="cstat-no" title="statement not covered" >JSON.parse(base64.urlDecode(split[0]))</span>
|
841 | const payload = <span class="cstat-no" title="statement not covered" >JSON.parse(base64.urlDecode(split[1]))</span>
|
842 |
|
843 | <span class="cstat-no" title="statement not covered" > return {</span>
|
844 | header,
|
845 | payload: {
|
846 | ...payload,
|
847 | prf: payload.prf ? decode(payload.prf) : null
|
848 | },
|
849 | signature: split[2] || null
|
850 | }
|
851 | }
|
852 |
|
853 | /**
|
854 | * Encode a UCAN.
|
855 | *
|
856 | * @param ucan The UCAN to encode
|
857 | */
|
858 | export function <span class="fstat-no" title="function not covered" >encode(</span>ucan: Ucan): string {
|
859 | const encodedHeader = <span class="cstat-no" title="statement not covered" >encodeHeader(ucan.header)</span>
|
860 | const encodedPayload = <span class="cstat-no" title="statement not covered" >encodePayload(ucan.payload)</span>
|
861 |
|
862 | <span class="cstat-no" title="statement not covered" > return encodedHeader + '.' +</span>
|
863 | encodedPayload + '.' +
|
864 | (ucan.signature || sign(ucan.header, ucan.payload))
|
865 | }
|
866 |
|
867 | /**
|
868 | * Encode the header of a UCAN.
|
869 | *
|
870 | * @param header The UcanHeader to encode
|
871 | */
|
872 | export function <span class="fstat-no" title="function not covered" >encodeHeader(</span>header: UcanHeader): string {
|
873 | <span class="cstat-no" title="statement not covered" > return base64.urlEncode(JSON.stringify(header))</span>
|
874 | }
|
875 |
|
876 | /**
|
877 | * Encode the payload of a UCAN.
|
878 | *
|
879 | * @param payload The UcanPayload to encode
|
880 | */
|
881 | export function <span class="fstat-no" title="function not covered" >encodePayload(</span>payload: UcanPayload): string {
|
882 | <span class="cstat-no" title="statement not covered" > return base64.urlEncode(JSON.stringify({</span>
|
883 | ...payload,
|
884 | prf: payload.prf ? encode(payload.prf) : undefined// TODO: 0.3.1 only supports a single proof.
|
885 | }))
|
886 | }
|
887 |
|
888 | /**
|
889 | * Check if a UCAN is expired.
|
890 | *
|
891 | * @param ucan The UCAN to validate
|
892 | */
|
893 | export function <span class="fstat-no" title="function not covered" >isExpired(</span>ucan: Ucan): boolean {
|
894 | <span class="cstat-no" title="statement not covered" > return ucan.payload.exp <= Math.floor(Date.now() / 1000)</span>
|
895 | }
|
896 |
|
897 | /**
|
898 | * Check if a UCAN is valid.
|
899 | *
|
900 | * @param ucan The decoded UCAN
|
901 | * @param did The DID associated with the signature of the UCAN
|
902 | */
|
903 | export async function <span class="fstat-no" title="function not covered" >isValid(</span>ucan: Ucan): Promise<boolean> {
|
904 | const encodedHeader = <span class="cstat-no" title="statement not covered" >encodeHeader(ucan.header)</span>
|
905 | const encodedPayload = <span class="cstat-no" title="statement not covered" >encodePayload(ucan.payload)</span>
|
906 |
|
907 | const a = <span class="cstat-no" title="statement not covered" >await did.verifySignedData({</span>
|
908 | charSize: 8,
|
909 | data: `${encodedHeader}.${encodedPayload}`,
|
910 | did: ucan.payload.iss,
|
911 | signature: ucan.signature || ""
|
912 | })
|
913 |
|
914 | <span class="cstat-no" title="statement not covered" > if (!a) <span class="cstat-no" title="statement not covered" >return a</span></span>
|
915 |
|
916 | <span class="cstat-no" title="statement not covered" > if (!ucan.payload.prf) <span class="cstat-no" title="statement not covered" >return true</span></span>
|
917 |
|
918 | // Verify proofs
|
919 | const b = <span class="cstat-no" title="statement not covered" >ucan.payload.prf.payload.aud === ucan.payload.iss</span>
|
920 |
|
921 | <span class="cstat-no" title="statement not covered" > if (!b) <span class="cstat-no" title="statement not covered" >return b</span></span>
|
922 |
|
923 | <span class="cstat-no" title="statement not covered" > return await isValid(ucan.payload.prf)</span>
|
924 | }
|
925 |
|
926 | /**
|
927 | * Given a UCAN, lookup the root issuer.
|
928 | *
|
929 | * Throws when given an improperly formatted UCAN.
|
930 | * This could be a nested UCAN (ie. proof).
|
931 | *
|
932 | * @param ucan A UCAN.
|
933 | * @returns The root issuer.
|
934 | */
|
935 | export function <span class="fstat-no" title="function not covered" >rootIssuer(</span>ucan: string, level = <span class="branch-0 cbranch-no" title="branch not covered" >0)</span>: string {
|
936 | const p = <span class="cstat-no" title="statement not covered" >extractPayload(ucan, level)</span>
|
937 | <span class="cstat-no" title="statement not covered" > if (p.prf) <span class="cstat-no" title="statement not covered" >return rootIssuer(p.prf, level + 1)</span></span>
|
938 | <span class="cstat-no" title="statement not covered" > return p.iss</span>
|
939 | }
|
940 |
|
941 | /**
|
942 | * Generate UCAN signature.
|
943 | */
|
944 | export async function <span class="fstat-no" title="function not covered" >sign(</span>header: UcanHeader, payload: UcanPayload): Promise<string> {
|
945 | const encodedHeader = <span class="cstat-no" title="statement not covered" >encodeHeader(header)</span>
|
946 | const encodedPayload = <span class="cstat-no" title="statement not covered" >encodePayload(payload)</span>
|
947 | const ks = <span class="cstat-no" title="statement not covered" >await keystore.get()</span>
|
948 |
|
949 | <span class="cstat-no" title="statement not covered" > return base64.makeUrlSafe(</span>
|
950 | await ks.sign(`${encodedHeader}.${encodedPayload}`, { charSize: 8 })
|
951 | )
|
952 | }
|
953 |
|
954 |
|
955 | // ㊙️
|
956 |
|
957 |
|
958 | /**
|
959 | * JWT algorithm to be used in a JWT header.
|
960 | */
|
961 | function <span class="fstat-no" title="function not covered" >jwtAlgorithm(</span>cryptoSystem: CryptoSystem): string | null {
|
962 | <span class="cstat-no" title="statement not covered" > switch (cryptoSystem) {</span>
|
963 | case CryptoSystem.RSA: <span class="cstat-no" title="statement not covered" >return 'RS256';</span>
|
964 | default: <span class="cstat-no" title="statement not covered" >return null</span>
|
965 | }
|
966 | }
|
967 |
|
968 |
|
969 | /**
|
970 | * Extract the payload of a UCAN.
|
971 | *
|
972 | * Throws when given an improperly formatted UCAN.
|
973 | */
|
974 | function <span class="fstat-no" title="function not covered" >extractPayload(</span>ucan: string, level: number): { iss: string; prf: string | null } {
|
975 | <span class="cstat-no" title="statement not covered" > try {</span>
|
976 | <span class="cstat-no" title="statement not covered" > return JSON.parse(base64.urlDecode(ucan.split(".")[1]))</span>
|
977 | } catch (_) {
|
978 | <span class="cstat-no" title="statement not covered" > throw new Error(`Invalid UCAN (${level} level${level === 1 ? "" : "s"} deep): \`${ucan}\``)</span>
|
979 | }
|
980 | }
|
981 | </pre></td></tr></table></pre>
|
982 |
|
983 | <div class='push'></div>
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984 | </div>
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985 | <div class='footer quiet pad2 space-top1 center small'>
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986 | Code coverage generated by
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987 | <a href="https://istanbul.js.org/" target="_blank">istanbul</a>
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988 | at Fri Mar 12 2021 16:29:42 GMT+0100 (Central European Standard Time)
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989 | </div>
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990 | </div>
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991 | <script src="../prettify.js"></script>
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992 | <script>
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993 | window.onload = function () {
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