Instantly share code, notes, and snippets.

hashrock/twtxt-hash.test.ts

CreatedNovember 11, 2022 14:30

Select an option
Learn more about clone URLs
Clone this repository at <script src="https://gist.github.com/hashrock/e003c7f023bfced46d97170e02ef65ae.js"></script>
Save hashrock/e003c7f023bfced46d97170e02ef65ae to your computer and use it in GitHub Desktop.

Clone this repository at <script src="https://gist.github.com/hashrock/e003c7f023bfced46d97170e02ef65ae.js"></script>

Save hashrock/e003c7f023bfced46d97170e02ef65ae to your computer and use it in GitHub Desktop.

Deno twtxt hash calc

	import{encode}from"https://deno.land/std@0.163.0/encoding/base32.ts";
	import{blake2b}from"https://esm.sh/blakejs@1.2.1";
	import{DateTime}from"https://esm.sh/luxon@3.1.0";
	import{assertEquals}from"https://deno.land/std@0.163.0/testing/asserts.ts";

	functionbase32(payload:Uint8Array){
	returnencode(payload).replace(/=/g,"").toLowerCase();
	}
	functionblake2b256(payload:string){
	returnblake2b(payload,undefined,32);
	}
	functionformatRFC3339(text:string){
	returnDateTime.fromISO(text,{setZone:true,zone:"utc"})
	.toFormat("yyyy-MM-dd'T'HH:mm:ssZZ")
	.replace(/\+00:00$/,"Z");
	}

	consttwt={
	url:"https://twtxt.net/user/prologic/twtxt.txt",
	hash:"o6dsrga",
	created:"2020-07-18T12:39:52Z",
	content:"Hello World! 😊",
	};

	constcreated=formatRFC3339(twt.created);
	constpayload=[twt.url,created,twt.content].join("\n");
	consthash=base32(blake2b256(payload)).slice(-7);

	Deno.test("hash",()=>{
	assertEquals(hash,twt.hash);
	});

Movatterモバイル変換