<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Blockchain on fahmi's website</title><link>https://fahimtu.xyz/tags/blockchain/</link><description>Recent content in Blockchain on fahmi's website</description><generator>Hugo</generator><language>en-US</language><lastBuildDate>Tue, 20 Oct 2026 19:20:33 +0700</lastBuildDate><atom:link href="https://fahimtu.xyz/tags/blockchain/index.xml" rel="self" type="application/rss+xml"/><item><title>Plutus Pioneer Program - Week 4</title><link>https://fahimtu.xyz/posts/plutus-week-4/</link><pubDate>Sat, 31 Jul 2021 00:00:00 +0000</pubDate><guid>https://fahimtu.xyz/posts/plutus-week-4/</guid><description>&lt;p&gt;start week 4 cabal repl&lt;/p&gt;&#10;&lt;div class="highlight"&gt;&lt;div class="chroma"&gt;&#10;&lt;table class="lntable"&gt;&lt;tr&gt;&lt;td class="lntd"&gt;&#10;&lt;pre tabindex="0" class="chroma"&gt;&lt;code&gt;&lt;span class="lnt"&gt;1&#10;&lt;/span&gt;&lt;span class="lnt"&gt;2&#10;&lt;/span&gt;&lt;span class="lnt"&gt;3&#10;&lt;/span&gt;&lt;span class="lnt"&gt;4&#10;&lt;/span&gt;&lt;span class="lnt"&gt;5&#10;&lt;/span&gt;&lt;span class="lnt"&gt;6&#10;&lt;/span&gt;&lt;span class="lnt"&gt;7&#10;&lt;/span&gt;&lt;span class="lnt"&gt;8&#10;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&#10;&lt;td class="lntd"&gt;&#10;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-shell" data-lang="shell"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="o"&gt;[&lt;/span&gt;fahmad@ryzen cardano&lt;span class="o"&gt;]&lt;/span&gt;$ ls&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;haskel-for-imperative-programmers haskell-and-crypto plutus&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;haskell notes plutus-pioneer-program&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="o"&gt;[&lt;/span&gt;fahmad@ryzen cardano&lt;span class="o"&gt;]&lt;/span&gt;$ &lt;span class="nb"&gt;cd&lt;/span&gt; plutus&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="o"&gt;[&lt;/span&gt;fahmad@ryzen plutus&lt;span class="o"&gt;]&lt;/span&gt;$ nix-shell&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="o"&gt;[&lt;/span&gt;nix-shell:/cardano/plutus&lt;span class="o"&gt;]&lt;/span&gt;$ &lt;span class="nb"&gt;cd&lt;/span&gt; ../plutus-pioneer-program/code/week04/&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="o"&gt;[&lt;/span&gt;nix-shell:/cardano/plutus-pioneer-program/code/week04&lt;span class="o"&gt;]&lt;/span&gt;$&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; cabal repl plutus-pioneer-program-week04&#10;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#10;&lt;/div&gt;&#10;&lt;/div&gt;&lt;p&gt;run hello app&lt;/p&gt;&#10;&lt;p&gt;change app/hello.hs to&lt;/p&gt;&#10;&lt;div class="highlight"&gt;&lt;div class="chroma"&gt;&#10;&lt;table class="lntable"&gt;&lt;tr&gt;&lt;td class="lntd"&gt;&#10;&lt;pre tabindex="0" class="chroma"&gt;&lt;code&gt;&lt;span class="lnt"&gt;1&#10;&lt;/span&gt;&lt;span class="lnt"&gt;2&#10;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&#10;&lt;td class="lntd"&gt;&#10;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-haskell" data-lang="haskell"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="nf"&gt;main&lt;/span&gt; &lt;span class="ow"&gt;::&lt;/span&gt; &lt;span class="kt"&gt;IO&lt;/span&gt; &lt;span class="nb"&gt;()&lt;/span&gt;&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="nf"&gt;main&lt;/span&gt; &lt;span class="ow"&gt;=&lt;/span&gt; &lt;span class="n"&gt;putStrLn&lt;/span&gt; &lt;span class="s"&gt;&amp;#34;Hello, world!&amp;#34;&lt;/span&gt;&#10;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#10;&lt;/div&gt;&#10;&lt;/div&gt;&lt;div class="highlight"&gt;&lt;div class="chroma"&gt;&#10;&lt;table class="lntable"&gt;&lt;tr&gt;&lt;td class="lntd"&gt;&#10;&lt;pre tabindex="0" class="chroma"&gt;&lt;code&gt;&lt;span class="lnt"&gt;1&#10;&lt;/span&gt;&lt;span class="lnt"&gt;2&#10;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&#10;&lt;td class="lntd"&gt;&#10;&lt;pre tabindex="0" class="chroma"&gt;&lt;code class="language-shell" data-lang="shell"&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt;&lt;span class="o"&gt;[&lt;/span&gt;nix-shell:/cardano/plutus-pioneer-program/code/week04&lt;span class="o"&gt;]&lt;/span&gt;$&#10;&lt;/span&gt;&lt;/span&gt;&lt;span class="line"&gt;&lt;span class="cl"&gt; cabal run hello&#10;&lt;/span&gt;&lt;/span&gt;&lt;/code&gt;&lt;/pre&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;&#10;&lt;/div&gt;&#10;&lt;/div&gt;</description></item><item><title>Plutus Pioneer Program - Week 1</title><link>https://fahimtu.xyz/posts/plutus-week-1/</link><pubDate>Sat, 24 Jul 2021 00:00:00 +0000</pubDate><guid>https://fahimtu.xyz/posts/plutus-week-1/</guid><description>&lt;h3 id="tasks"&gt;Tasks&lt;/h3&gt;&#10;&lt;ul&gt;&#10;&lt;li&gt;Clone the The Plutus repository, check out the correct commit as specified in cabal.project.&lt;/li&gt;&#10;&lt;li&gt;Set-up IOHK binary caches How to set up the IOHK binary caches. &amp;ldquo;If you do not do this, you will end up building GHC, which takes several hours. If you find yourself building GHC, STOP and fix the cache.&amp;rdquo;&lt;/li&gt;&#10;&lt;li&gt;Enter a nix-shell.&lt;/li&gt;&#10;&lt;li&gt;Build the English Auction contract with cabal build (you may need to run cabal update first).&lt;/li&gt;&#10;&lt;li&gt;Go to the plutus-playground-client folder.&lt;/li&gt;&#10;&lt;li&gt;Start the Playground server with plutus-playground-server.&lt;/li&gt;&#10;&lt;li&gt;Start the Playground client (in another nix-shell) with npm run start.&lt;/li&gt;&#10;&lt;li&gt;Copy-paste the auction contract into the Playground editor.&lt;/li&gt;&#10;&lt;li&gt;Compile.&lt;/li&gt;&#10;&lt;li&gt;Simulate various auction scenarios.&lt;/li&gt;&#10;&lt;/ul&gt;&#10;&lt;h3 id="solution"&gt;Solution&lt;/h3&gt;&#10;&lt;p&gt;change dir to cardano&lt;/p&gt;</description></item></channel></rss>