From 7517b623db8667ab17ce0b166b9ce42841ca61c2 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@codecow.com>
Date: Sat, 4 Jul 2026 01:12:07 -0700
Subject: [PATCH] Refactor denomination converter to be simpler, faster, and
 not call padEnd.

---
 src/lib/tools.ts | 15 +++++++--------
 1 file changed, 7 insertions(+), 8 deletions(-)

diff --git a/src/lib/tools.ts b/src/lib/tools.ts
index b15143c..60410ce 100644
--- a/src/lib/tools.ts
+++ b/src/lib/tools.ts
@@ -60,25 +60,24 @@ export class Tools {
 			throw new Error('Invalid output format', { cause: format })
 		}
 
+		const inUnit = UNITS[inputUnit]
 		let [i, f] = typeof amount === 'string'
 			? amount.split('.')
 			: dec.toString(amount).split('.')
 		i = i.replace(/^0*/g, '')
 		f = f?.replace(/0*$/g, '')
-
-		const inUnit = UNITS[inputUnit]
-		const intShift = i.length + inUnit
 		if (f?.length > inUnit) {
 			throw new RangeError('Amount contains fractional raw')
 		}
 
 		// convert to raw
-		let int = BigInt(i.padEnd(intShift, '0') || '0')
+		let shift = 0
+		while (shift++ < inUnit) i += '0'
+		let int = BigInt(i || '0')
 		if (f != null) {
-			const fracShift = f?.length + inUnit
-			let frac = BigInt(f?.padEnd(fracShift, '0') || '0')
-			frac /= 10n ** BigInt(f.length)
-			int += frac
+			shift = f.length
+			while (shift++ < inUnit) f += '0'
+			int += BigInt(f || '0')
 		}
 		if (int > MAX_SUPPLY) {
 			throw new Error('Amount exceeds available supply')
-- 
2.52.0