From: Chris Duncan <chris@zoso.dev>
Date: Mon, 2 Dec 2024 19:51:00 +0000 (-0800)
Subject: Directly calculate blake2b hash as part of block verification so that Tools import... 
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=6bfffa7412c73ec2d59ab74fa1d3e530860fc937;p=libnemo.git

Directly calculate blake2b hash as part of block verification so that Tools import can be eliminated.
---

diff --git a/src/lib/block.ts b/src/lib/block.ts
index 273d720..bbe6e72 100644
--- a/src/lib/block.ts
+++ b/src/lib/block.ts
@@ -8,7 +8,6 @@ import { bytes, dec, hex } from './convert.js'
 import { NanoNaCl } from './nano-nacl.js'
 import { Pool } from './pool.js'
 import { Rpc } from './rpc.js'
-import Tools from './tools.js'
 import { Pow } from './workers.js'
 
 /**
@@ -206,9 +205,11 @@ abstract class Block {
 			dec.toHex(this.balance, 32),
 			this.link
 		]
-		const hash = await Tools.hash(data, 'hex')
+		const hash = new Blake2b(32)
+		data.forEach(str => hash.update(hex.toBytes(str)))
+		const blockHash = hash.digest('hex').toUpperCase()
 		return NanoNaCl.verify(
-			hex.toBytes(hash),
+			hex.toBytes(blockHash),
 			hex.toBytes(this.signature ?? ''),
 			hex.toBytes(key)
 		)