From: Chris Duncan <chris@codecow.com>
Date: Mon, 18 May 2026 19:53:32 +0000 (-0700)
Subject: Extract verify function.
X-Git-Url: https://git.codecow.com/?a=commitdiff_plain;h=11776990739d445b8023b320509008d48bded4a9;p=libnemo.git

Extract verify function.
---

diff --git a/src/lib/ledger/index.ts b/src/lib/ledger/index.ts
index 07a5f5e..2b49f67 100644
--- a/src/lib/ledger/index.ts
+++ b/src/lib/ledger/index.ts
@@ -7,9 +7,8 @@ import { default as TransportHID } from '@ledgerhq/hw-transport-webhid'
 import { default as TransportUSB } from '@ledgerhq/hw-transport-webusb'
 import { Block } from '../block'
 import { BIP44_COIN_NANO, BIP44_PURPOSE, HARDENED_OFFSET } from '../constants'
-import { dec, utf8 } from '../convert'
+import { dec } from '../convert'
 import { Rpc } from '../rpc'
-import { Wallet } from '../wallet'
 import { _account } from './account'
 import { _cache } from './cache'
 import { _close } from './close'
@@ -19,6 +18,7 @@ import { LedgerEvent } from './event'
 import { _open } from './open'
 import { queue } from './queue'
 import { _sign } from './sign'
+import { _verify } from './verify'
 
 export type LedgerStatus = 'UNSUPPORTED' | 'DISCONNECTED' | 'BUSY' | 'LOCKED' | 'CONNECTED'
 export type LedgerTransport = typeof TransportHID | typeof TransportBLE | typeof TransportUSB
@@ -263,21 +263,7 @@ export class Ledger {
 	 */
 	static async verify (mnemonic: string): Promise<boolean>
 	static async verify (secret: string): Promise<boolean> {
-		const testWallet = await Wallet.load('BIP-44', '', secret)
-		secret = ''
-		const nonce = crypto.randomUUID().slice(0, 16)
-		try {
-			await testWallet.unlock('')
-			const testSignature = await testWallet.sign(0, `Nano Signed Nonce:\n${utf8.toHex(nonce)}`)
-			try {
-				const ledgerSignature = await this.sign(0, nonce)
-				return ledgerSignature === testSignature
-			} catch (err) {
-				throw new Error('Failed to verify wallet', { cause: err })
-			}
-		} finally {
-			await testWallet.destroy()
-		}
+		return _verify(secret)
 	}
 
 	/**
diff --git a/src/lib/ledger/verify.ts b/src/lib/ledger/verify.ts
new file mode 100644
index 0000000..ba0e891
--- /dev/null
+++ b/src/lib/ledger/verify.ts
@@ -0,0 +1,23 @@
+//! SPDX-FileCopyrightText: 2025 Chris Duncan <chris@codecow.com>
+//! SPDX-License-Identifier: GPL-3.0-or-later
+import { Ledger } from '.'
+import { utf8 } from '../convert'
+import { Wallet } from '../wallet'
+
+export async function _verify (secret: string): Promise<boolean> {
+	const testWallet = await Wallet.load('BIP-44', '', secret)
+	secret = ''
+	const nonce = crypto.randomUUID().slice(0, 16)
+	try {
+		await testWallet.unlock('')
+		const testSignature = await testWallet.sign(0, `Nano Signed Nonce:\n${utf8.toHex(nonce)}`)
+		try {
+			const ledgerSignature = await Ledger.sign(0, nonce)
+			return ledgerSignature === testSignature
+		} catch (err) {
+			throw new Error('Failed to verify wallet', { cause: err })
+		}
+	} finally {
+		await testWallet.destroy()
+	}
+}