"> </span><span class="hl-6">alchemy</span><span class="hl-1"> = </span><span class="hl-5">new</span><span class="hl-1"> </span><span class="hl-7">Alchemy</span><span class="hl-1">();</span><br/><br/><span class="hl-4">// Listen to all new pending transactions.</span><br/><span class="hl-0">alchemy</span><span class="hl-1">.</span><span class="hl-0">ws</span><span class="hl-1">.</span><span class="hl-7">on</span><span class="hl-1">(</span><span class="hl-3">&#39;block&#39;</span><span class="hl-1">, </span>