From: Chris Duncan <chris@zoso.dev>
Date: Thu, 21 Nov 2024 05:34:08 +0000 (-0800)
Subject: Remove duplicate ckd function. Post index along with key from worker back to caller.
X-Git-Url: https://zoso.dev/?a=commitdiff_plain;h=fc6166671a55a55d0a1ec091c7f58a9277176c58;p=libnemo.git

Remove duplicate ckd function. Post index along with key from worker back to caller.
---

diff --git a/src/lib/workers/ckdBip44.ts b/src/lib/workers/ckdBip44.ts
index a1f0175..369742f 100644
--- a/src/lib/workers/ckdBip44.ts
+++ b/src/lib/workers/ckdBip44.ts
@@ -19,35 +19,13 @@ if (addEventListener == null || postMessage == null) {
 }
 
 /**
-* Derives BIP-44 Nano account private keys.
-*
-* @param {number} index - Index of the account
-* @returns {Promise<Account>}
+* Listens for messages from a calling function.
 */
 addEventListener('message', (message) => {
 	const { seed, index } = message.data ?? message
-	ckd(seed, index).then(postMessage)
+	nanoCKD(seed, index).then(key => postMessage({ index, key }))
 })
 
-/**
-* Derives a private child key following the BIP-32 and BIP-44 derivation path
-* registered to the Nano block lattice. Only hardened child keys are defined.
-*
-* @param {string} seed - Hexadecimal seed derived from mnemonic phrase
-* @param {number} index - Account number between 0 and 2^31-1
-* @returns Private child key for the account
-*/
-async function ckd (seed: string, index: number): Promise<string> {
-	if (!Number.isSafeInteger(index) || index < 0 || index > 0x7fffffff) {
-		throw new RangeError(`Invalid child key index 0x${index.toString(16)}`)
-	}
-	const masterKey = await slip10(SLIP10_ED25519, seed)
-	const purposeKey = await CKDpriv(masterKey, BIP44_PURPOSE + HARDENED_OFFSET)
-	const coinKey = await CKDpriv(purposeKey, BIP44_COIN_NANO + HARDENED_OFFSET)
-	const accountKey = await CKDpriv(coinKey, index + HARDENED_OFFSET)
-	return accountKey.privateKey
-}
-
 /**
 * Derives a private child key following the BIP-32 and BIP-44 derivation path
 * registered to the Nano block lattice. Only hardened child keys are defined.