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Users/richard/724 hex converter (#725)
* 724: Import bech32 <-> hex standalone converter * Obligatory combat with trunk
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‎.trunk/trunk.yaml

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paths:
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- contracts/audited/burn_zrc2 # eslint barfs on an internal error if you enable it on this directory.
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- contracts/reward_control # and again
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- products/bech32-hex-converter # eslint chokes.
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- linters: [ALL]
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paths:
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- products/airdrop/**

‎products/bech32-hex-converter/.gitignore

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*~
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\#*
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.\#*
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‎products/bech32-hex-converter/README.md

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# zil <-> hex format converter
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This is a quick demo of an in-browser Bech32 (`zil1...`) to hex (and back) converter.
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Run the web server of your choice on the documents in `content/` and point your browser at `index.html`.
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If you want server-side, just grab `content/js/chain.js` and use it (`buffer.js` is just a polyfill for node-js `buffer`).
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If you are on Linux:
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```sh
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docker compose up
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```
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Should get you a copy of nginx on port 3000 which serves the content.
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If you have problems please contact your Zilliqa support contact, or [[email protected]](mailto:[email protected]).

‎products/bech32-hex-converter/content/index.html

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<html>
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<head>
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<title>Sample bech32 <-> hex converter</title>
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<script type="text/javascript" src="js/chain.js"></script>
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<script type="text/javascript" src="js/buffer.js"></script>
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<link rel="stylesheet" href="trivial.css" />
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</head>
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<body>
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<h1>Zil <-> 0x converter</h1>
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<p>
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Type a `zil1...` or a hex (`0x..`) address into the box below and hit the
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convert button to convert to the other format.
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</p>
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<p>The copy button copies the current contents of the typein</p>
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<p>
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<tt>js/chain.js</tt> contains the converter code; buttons are registered
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using <tt>addEventListener</tt> for purely historical reasons
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</p>
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<p>
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<tt>js/buffer.js</tt> is just a browser-based node polyfill used so we can
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use the same code for node and in browser.
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</p>
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<p>
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Some example inputs and outputs - more at
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<a href="https://devex.zilliqa.com/">https://devex.zilliqa.com/</a> :
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</p>
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<div class="example">
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0x7bb3b0e8a59f3f61d9bff038f4aeb42cae2ecce8 <->
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zil10wemp699nulkrkdl7qu0ft459jhzan8g6r5lh7
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</div>
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<div class="example">
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a198b865e36612e365705b393f2acea37a23d919 <->
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zil15xvtse0rvcfwxetstvun72kw5daz8kge0frn3y
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</div>
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<div class="example">
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18a762b2697c0e863f49808bc56036371a3b8272 <->
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zil1rznk9vnf0s8gv06fsz9u2cpkxudrhqnjq8les4
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</div>
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<div>&nbsp;</div>
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<input id="address" size="50" />
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<button class="hexconverter" style="width: 4em">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 576 512">
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<!--!Font Awesome Free 6.6.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
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<path
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d="M272 416c17.7 0 32-14.3 32-32s-14.3-32-32-32l-112 0c-17.7 0-32-14.3-32-32l0-128 32 0c12.9 0 24.6-7.8 29.6-19.8s2.2-25.7-6.9-34.9l-64-64c-12.5-12.5-32.8-12.5-45.3 0l-64 64c-9.2 9.2-11.9 22.9-6.9 34.9s16.6 19.8 29.6 19.8l32 0 0 128c0 53 43 96 96 96l112 0zM304 96c-17.7 0-32 14.3-32 32s14.3 32 32 32l112 0c17.7 0 32 14.3 32 32l0 128-32 0c-12.9 0-24.6 7.8-29.6 19.8s-2.2 25.7 6.9 34.9l64 64c12.5 12.5 32.8 12.5 45.3 0l64-64c9.2-9.2 11.9-22.9 6.9-34.9s-16.6-19.8-29.6-19.8l-32 0 0-128c0-53-43-96-96-96L304 96z"
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/>
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</svg>
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</button>
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<button class="hexcopy" style="width: 4em">
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<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512">
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<!--!Font Awesome Free 6.6.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free Copyright 2024 Fonticons, Inc.-->
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<path
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d="M208 0L332.1 0c12.7 0 24.9 5.1 33.9 14.1l67.9 67.9c9 9 14.1 21.2 14.1 33.9L448 336c0 26.5-21.5 48-48 48l-192 0c-26.5 0-48-21.5-48-48l0-288c0-26.5 21.5-48 48-48zM48 128l80 0 0 64-64 0 0 256 192 0 0-32 64 0 0 48c0 26.5-21.5 48-48 48L48 512c-26.5 0-48-21.5-48-48L0 176c0-26.5 21.5-48 48-48z"
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/>
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</svg>
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</button>
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</body>
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<p class="warning">
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WARNING! This code just converts address presentation formats. It will not
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help you send a transaction for a Zilliqa wallet to an EVM contract, or vice
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versa. If you have questions about this, please contact your Zilliqa support
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contact or <a href="mailto:[email protected]">[email protected]</a> .
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</p>
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</html>

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