From: Chris Duncan <chris@zoso.dev>
Date: Fri, 8 Nov 2024 17:06:16 +0000 (-0800)
Subject: Promisify BIP-44 serialization methods.
X-Git-Tag: v0.0.20~41
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=d6dc6bc6759c5f4b8b803f97e7b2788c22e2640f;p=libnemo.git

Promisify BIP-44 serialization methods.
---

diff --git a/src/lib/bip32-key-derivation.ts b/src/lib/bip32-key-derivation.ts
index 8580ad0..a622b99 100644
--- a/src/lib/bip32-key-derivation.ts
+++ b/src/lib/bip32-key-derivation.ts
@@ -39,14 +39,14 @@ async function slip10 (curve: string, S: string): Promise<ExtendedKey> {
 
 async function CKDpriv ({ privateKey, chainCode }: ExtendedKey, index: number): Promise<ExtendedKey> {
 	const key = hex.toBytes(chainCode)
-	const data = hex.toBytes(`00${bytes.toHex(ser256(privateKey))}${bytes.toHex(ser32(index))}`)
+	const data = hex.toBytes(`00${bytes.toHex(await ser256(privateKey))}${bytes.toHex(await ser32(index))}`)
 	const I = await hmac(key, data)
 	const IL = I.slice(0, I.length / 2)
 	const IR = I.slice(I.length / 2)
 	return ({ privateKey: IL, chainCode: IR })
 }
 
-function ser32 (integer: number): Uint8Array {
+async function ser32 (integer: number): Promise<Uint8Array> {
 	const bits = integer.toString(2)
 	if (bits.length > 32) {
 		throw new RangeError(`Expected 32-bit integer, received ${bits.length} bits: ${bits}`)
@@ -57,7 +57,7 @@ function ser32 (integer: number): Uint8Array {
 	return result
 }
 
-function ser256 (integer: string): Uint8Array {
+async function ser256 (integer: string): Promise<Uint8Array> {
 	const bits = hex.toBin(integer)
 	if (bits.length > 256) {
 		throw new RangeError(`Expected 256-bit integer, received ${bits.length} bits: ${bits}`)