From: Chris Duncan <chris@codecow.com>
Date: Mon, 25 May 2026 08:49:32 +0000 (-0700)
Subject: Simplify bigint RNG since it is never called with arguments.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=99e763029355c1cc6c6b98e1c1bf413a9ac9c817;p=nano-pow.git

Simplify bigint RNG since it is never called with arguments.
---

diff --git a/src/utils/bigint.ts b/src/utils/bigint.ts
index 8d12f49..85b26ac 100644
--- a/src/utils/bigint.ts
+++ b/src/utils/bigint.ts
@@ -19,12 +19,9 @@ export function bigintByteLength (int: bigint): number {
 	return byteLength
 }
 
-export function bigintRandom (max: bigint = 0xFFFFFFFFFFFFFFFFn): bigint {
-	if (typeof max !== 'bigint' || max < 1n) {
-		throw new TypeError('Invalid max value')
-	}
-	const randomUint8Array = new Uint8Array(bigintByteLength(max))
-	const mask = (1n << bigintBitLength(max)) - 1n
+export function bigintRandom (): bigint {
+	const mask = 0xFFFFFFFFFFFFFFFFn
+	const randomUint8Array = new Uint8Array(8)
 	let output = 0n
 	do {
 		output = 0n
@@ -35,7 +32,7 @@ export function bigintRandom (max: bigint = 0xFFFFFFFFFFFFFFFFn): bigint {
 			output += BigInt(randomUint8Array[i])
 		}
 		output &= mask
-	} while (output > max)
+	} while (output > mask)
 	return output
 }