craft-nft

commit 693183f98323b6397014c3c5a768c90dd34ec52a
parent 87ac764282dff02bc8523b5ad172f9a9f9a19d86
Author: lash <dev@holbrook.no>
Date:   Sun, 19 Feb 2023 19:11:35 +0000

Connect qr scan to mint function

Diffstat:
M
js/qrread.html
 | 
19
+++++++++++++++++--

1 file changed, 17 insertions(+), 2 deletions(-)
diff --git a/js/qrread.html b/js/qrread.html
@@ -56,10 +56,10 @@ var canvas;
 var ctx;
 
 // Load init
-window.addEventListener('load', test);
+window.addEventListener('load', live);
 
 function test() {
-	signAndSend("7F8301136a596D64f1b7E5C882FCB0FCD0623745");
+	signAndSend("0x7F8301136a596D64f1b7E5C882FCB0FCD0623745");
 }
 
 function live() {
@@ -75,12 +75,27 @@ function scan() {
 	const code = jsQR(imageData, 800, 800);
 	if (code) {
 		console.log("Found QR code", code);
+		signAndSend(code.data);
 		return;
 	}
 	setTimeout(scan, 10);
 }
 
 async function signAndSend(addr) {
+	if (addr.length < 40) {
+		console.error('invalid ethereum address (too short)', addr);
+		return;
+	}
+	if (addr.substring(0, 2) == '0x') {
+		addr = addr.substring(2);
+	}
+	const re = new RegExp("^[0-9a-fA-F]{40}$");
+	const m = addr.match(re);
+	if (m === null) {
+		console.error('invalid ethereum address (invalid hex or too long)', addr);
+		return;
+	}
+	console.info('found recipient address', addr);
 	let tx = txBase;
 	const nonce = await wallet.getTransactionCount();
 	addr = addressPrePad + addr;