From 77858720c1269309d6f53c1f61a1cb06fc6e2b69 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@codecow.com>
Date: Thu, 9 Apr 2026 14:31:27 -0700
Subject: [PATCH] Refactor caching without utils import. Add duplicate block
 hash to test cache storage and retrieval.

---
 src/lib/index.ts     | 3 ++-
 src/utils/cache.ts   | 6 ++----
 test/blockhashes.txt | 1 +
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/lib/index.ts b/src/lib/index.ts
index 13fffa1..938f8ad 100644
--- a/src/lib/index.ts
+++ b/src/lib/index.ts
@@ -15,7 +15,8 @@ export async function generate (hash: unknown, options?: unknown): Promise<WorkG
 		try {
 			const { api, debug, difficulty, effort } = await NanoPowConfig(options)
 			LOG: logger.isEnabled = debug
-			const cached = Cache.search(hash, difficulty)
+			const bigintHash = bigintFrom(hash, 'hex')
+			const cached = Cache.search(bigintHash, difficulty)
 			if (cached) {
 				LOG: logger.log('found work in cache')
 				return cached
diff --git a/src/utils/cache.ts b/src/utils/cache.ts
index b56e7b7..03d0fd8 100644
--- a/src/utils/cache.ts
+++ b/src/utils/cache.ts
@@ -2,7 +2,6 @@
 //! SPDX-License-Identifier: GPL-3.0-or-later
 
 import { WorkGenerateResponse } from "nano-pow"
-import { bigintFrom } from "#utils"
 
 export class Cache {
 
@@ -10,13 +9,12 @@ export class Cache {
 		this.#removeItem('NanoPowCache')
 	}
 
-	static search (hash: unknown, difficulty: bigint): WorkGenerateResponse | null {
-		const bigintHash = bigintFrom(hash, 'hex')
+	static search (hash: bigint, difficulty: bigint): WorkGenerateResponse | null {
 		const item = this.#getItem('NanoPowCache')
 		if (item) {
 			const cache = JSON.parse(item) as WorkGenerateResponse[]
 			for (const c of cache) {
-				if (bigintFrom(c.hash, 'hex') === bigintHash && bigintFrom(c.difficulty, 'hex') >= difficulty) {
+				if (BigInt(`0x${c.hash}`) === hash && BigInt(`0x${c.difficulty}`) >= difficulty) {
 					return c
 				}
 			}
diff --git a/test/blockhashes.txt b/test/blockhashes.txt
index ba54aaf..d41c84b 100644
--- a/test/blockhashes.txt
+++ b/test/blockhashes.txt
@@ -1,4 +1,5 @@
 92BA74A7D6DC7557F3EDA95ADC6341D51AC777A0A6FF0688A5C492AB2B2CB40D
+92BA74A7D6DC7557F3EDA95ADC6341D51AC777A0A6FF0688A5C492AB2B2CB40D
 0000000000000000000000000000000000000000000000000000000000000000
 badhash
 8797585D56B8AEA3A62899C31FC088F9BE849BA8298A88E94F6E3112D4E55D01
-- 
2.47.3