From 38b1dd0a71519e1965a703bbcabf5f53851098b2 Mon Sep 17 00:00:00 2001
From: Chris Duncan <chris@zoso.dev>
Date: Mon, 2 Dec 2024 11:59:01 -0800
Subject: [PATCH] Tools hash function is only used within Tools itself, so
 don't bother exporting it. Arbitrary hashing falls outside our scope as a
 nano project.

---
 src/lib/tools.ts | 36 +++++++++++++++---------------------
 src/main.ts      |  2 +-
 2 files changed, 16 insertions(+), 22 deletions(-)

diff --git a/src/lib/tools.ts b/src/lib/tools.ts
index 26c7789..8ea4a74 100644
--- a/src/lib/tools.ts
+++ b/src/lib/tools.ts
@@ -10,6 +10,18 @@ import { Bip44Wallet, Blake2bWallet, LedgerWallet } from './wallet.js'
 import { SendBlock } from './block.js'
 import { NanoNaCl } from './nano-nacl.js'
 
+function hash (data: string | string[], encoding?: 'hex'): string {
+	if (!Array.isArray(data)) data = [data]
+	const hash = new Blake2b(32)
+	if (encoding === 'hex') {
+		data.forEach(str => hash.update(hex.toBytes(str)))
+	} else {
+		const enc = new TextEncoder()
+		data.forEach(str => hash.update(enc.encode(str)))
+	}
+	return hash.digest('hex').toUpperCase()
+}
+
 /**
 * Converts a decimal amount of nano from one unit divider to another.
 *
@@ -60,24 +72,6 @@ export async function convert (amount: bigint | string, inputUnit: string, outpu
 	return `${i}${f ? '.' : ''}${f}`
 }
 
-/**
-* Converts one or more strings to hexadecimal and hashes them with BLAKE2b.
-*
-* @param {string|string[]} data - Input to hash
-* @returns {Promise<string>} 64-character hexadecimal hash of the input
-*/
-export async function hash (data: string | string[], encoding?: 'hex'): Promise<string> {
-	if (!Array.isArray(data)) data = [data]
-	const hash = new Blake2b(32)
-	if (encoding === 'hex') {
-		data.forEach(str => hash.update(hex.toBytes(str)))
-	} else {
-		const enc = new TextEncoder()
-		data.forEach(str => hash.update(enc.encode(str)))
-	}
-	return hash.digest('hex').toUpperCase()
-}
-
 /**
 * Signs arbitrary strings with a private key using the Ed25519 signature scheme.
 *
@@ -87,7 +81,7 @@ export async function hash (data: string | string[], encoding?: 'hex'): Promise<
 */
 export async function sign (key: string, ...input: string[]): Promise<string> {
 	const account = await Account.fromPrivateKey(key)
-	const data = await hash(input)
+	const data = hash(input)
 	const signature = NanoNaCl.sign(
 		hex.toBytes(data),
 		hex.toBytes(`${account.privateKey}${account.publicKey}`))
@@ -158,11 +152,11 @@ export async function sweep (rpc: Rpc | string | URL, wallet: Blake2bWallet | Bi
 * @returns {boolean} True if the data was signed by the public key's matching private key
 */
 export async function verify (key: string, signature: string, ...input: string[]): Promise<boolean> {
-	const data = await hash(input)
+	const data = hash(input)
 	return NanoNaCl.verify(
 		hex.toBytes(data),
 		hex.toBytes(signature),
 		hex.toBytes(key))
 }
 
-export default { convert, hash, sign, sweep, verify }
+export const Tools = { convert, sign, sweep, verify }
diff --git a/src/main.ts b/src/main.ts
index 98f034e..0b4fc2b 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -7,7 +7,7 @@ import { Pow } from './lib/pow.js'
 import { Rpc } from './lib/rpc.js'
 import { Rolodex } from './lib/rolodex.js'
 import { Safe } from './lib/safe.js'
-import Tools from './lib/tools.js'
+import { Tools } from './lib/tools.js'
 import { Bip44Wallet, Blake2bWallet, LedgerWallet } from './lib/wallet.js'
 
 export { Account, SendBlock, ReceiveBlock, ChangeBlock, Pow, Rpc, Rolodex, Safe, Tools, Bip44Wallet, Blake2bWallet, LedgerWallet }
-- 
2.34.1