From: Chris Duncan <chris@zoso.dev>
Date: Tue, 3 Dec 2024 05:31:55 +0000 (-0800)
Subject: Fix public key and checksum extraction from address.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=be96cd00c32b5188b43dc870ba1d0fe694a6dccc;p=libnemo.git

Fix public key and checksum extraction from address.
---

diff --git a/src/lib/account.ts b/src/lib/account.ts
index 2c84da7..8c1d94b 100644
--- a/src/lib/account.ts
+++ b/src/lib/account.ts
@@ -228,16 +228,16 @@ export class Account {
 	}
 
 	static #addressToKey (v: string): string {
-		const keyBytes = base32.toBytes(v.substring(0, 52))
-		const checksumBytes = base32.toBytes(v.substring(52, 60))
-		const blakeHash = new Blake2b(5).update(keyBytes).digest()
+		const publicKeyBytes = base32.toBytes(v.substring(-60, -8))
+		const checksumBytes = base32.toBytes(v.slice(-8))
+		const blakeHash = new Blake2b(5).update(publicKeyBytes).digest()
 		blakeHash.reverse()
 		console.log(`checksumBytes: ${checksumBytes}`)
 		console.log(`blakeHash: ${blakeHash}`)
 		if (bytes.toHex(checksumBytes) !== bytes.toHex(blakeHash)) {
 			throw new Error('Checksum mismatch in address')
 		}
-		return bytes.toHex(keyBytes)
+		return bytes.toHex(publicKeyBytes)
 	}
 
 	static #keyToAddress (key: string): string {