From 6e04dfc60d1ec7d71a1c58aeb337a0287f555da4 Mon Sep 17 00:00:00 2001
From: Mawoka <mawoka@e.email>
Date: Thu, 23 Jun 2022 21:17:45 +0200
Subject: [PATCH] :sparkles: Implemented POW on each image upload

---
 frontend/src/lib/editor/card.svelte     | 19 +++++++++++++++++++
 frontend/src/lib/editor/uploader.svelte |  4 ++++
 2 files changed, 23 insertions(+)

diff --git a/frontend/src/lib/editor/card.svelte b/frontend/src/lib/editor/card.svelte
index a7f7915..d6a43fd 100644
--- a/frontend/src/lib/editor/card.svelte
+++ b/frontend/src/lib/editor/card.svelte
@@ -4,17 +4,35 @@
 	import { dataSchema } from '$lib/yupSchemas';
 	import Spinner from '../Spinner.svelte';
 	import { fade } from 'svelte/transition';
+	import { mint } from '$lib/hashcash';
 
 	export let data: EditorData;
 	export let selected_question: number;
 	export let edit_id: string;
 	export let pow_data;
+	let pow_salt: string;
 	const empty_answer: Answer = {
 		right: false,
 		answer: ''
 	};
 	let uppyOpen = false;
 
+	const computePOW = async (salt: string) => {
+		console.log('Called!');
+		if (pow_salt === undefined) {
+			return;
+		}
+		console.log('Computing POW');
+		pow_data = await mint(salt, 17, '', 8, false);
+		pow_salt = undefined;
+		return;
+	};
+
+	$: {
+		pow_salt;
+		computePOW(pow_salt);
+	}
+
 	/*eslint no-unused-vars: ["error", { "argsIgnorePattern": "^_" }]*/
 	const correctTimeInput = (_) => {
 		let time = data.questions[selected_question].time;
@@ -82,6 +100,7 @@
 						bind:data
 						bind:selected_question
 						bind:pow_data
+						bind:pow_salt
 					/>
 				{/await}
 			{/if}
diff --git a/frontend/src/lib/editor/uploader.svelte b/frontend/src/lib/editor/uploader.svelte
index 8c0367f..2d88b99 100644
--- a/frontend/src/lib/editor/uploader.svelte
+++ b/frontend/src/lib/editor/uploader.svelte
@@ -21,6 +21,7 @@
 	export let data: EditorData;
 	export let selected_question: number;
 	export let pow_data;
+	export let pow_salt: string;
 
 	console.log(pow_data);
 	const uppy = new Uppy()
@@ -42,6 +43,9 @@
 	let image_id;
 	uppy.on('upload-success', (file, response) => {
 		image_id = response.body.id;
+		pow_salt = response.body.pow_data;
+		console.log(pow_salt, response.body);
+		pow_data = undefined;
 	});
 	uppy.on('complete', (_) => {
 		console.log(pow_data);