add multi-wallet EVM support with evm_wallets DB table

apps/desktop/src/bun/index.ts

@@ -16,6 +16,7 @@ import {
 	getTransactionDetails,
 } from './lib/transactions'
 import { migrate } from 'drizzle-orm/bun-sqlite/migrator'
+import { eq } from 'drizzle-orm'
 import { db } from './lib/db'
 import { join } from 'path'
 import { getENV } from './lib/get-env'
@@ -34,6 +35,7 @@ import {
 	transactions,
 	transactionReceipts,
 	txHistory,
+	evmWallets,
 } from './lib/db/schema'
 
 const env = getENV()
@@ -265,6 +267,22 @@ type RPC = {
 					connected: boolean
 				}
 			}
+			evmCreateWallet: {
+				params: { name: string; phrase: string; passwordHash?: string }
+				response: { id: string; name: string; createdAt: string }
+			}
+			evmListWallets: {
+				params: {}
+				response: Array<{ id: string; name: string; hasPassword: boolean; vaultKey: string; createdAt: string }>
+			}
+			evmGetSeed: {
+				params: { vaultKey: string }
+				response: string
+			}
+			evmDeleteWallet: {
+				params: { id: string }
+				response: void
+			}
 		}
 		messages: {}
 	}>
@@ -379,15 +397,19 @@ const rpc = BrowserView.defineRPC<RPC>({
 		requests: {
 			resetApp: async () => {
 				try {
+					const wallets = db.select().from(evmWallets).all()
 					await Promise.all([
-						Bun.secrets.delete({ service: 'koins', name: 'vault' }),
-						Bun.secrets.delete({ service: 'koins', name: 'vault_password' }),
 						Bun.secrets.delete({ service: 'koins', name: 'alchemy_key' }),
+						...wallets.flatMap((w) => [
+							Bun.secrets.delete({ service: 'koins', name: w.vaultKey }),
+							Bun.secrets.delete({ service: 'koins', name: `evm_auth_${w.id}` }),
+						]),
 					])
 					sqlite.run('DELETE FROM token_metadata')
 					sqlite.run('DELETE FROM transactions')
 					sqlite.run('DELETE FROM transaction_receipts')
 					sqlite.run('DELETE FROM tx_history')
+					sqlite.run('DELETE FROM evm_wallets')
 					console.log('[rpc] resetApp complete')
 					return true
 				} catch (e) {
@@ -749,6 +771,49 @@ const rpc = BrowserView.defineRPC<RPC>({
 				)
 				return wallets
 			},
+			evmCreateWallet: async ({ name, phrase, passwordHash }) => {
+				console.log('[rpc] evmCreateWallet:', name)
+				const id = crypto.randomUUID()
+				const vaultKey = `evm_seed_${id}`
+				await Bun.secrets.set({ service: 'koins', name: vaultKey, value: phrase })
+				await db.insert(evmWallets).values({
+					id,
+					name,
+					passwordHash: passwordHash ?? null,
+					vaultKey,
+					createdAt: new Date().toISOString(),
+				})
+				console.log('[rpc] evmCreateWallet complete:', id)
+				return { id, name, createdAt: new Date().toISOString() }
+			},
+			evmListWallets: async () => {
+				console.log('[rpc] evmListWallets')
+				const wallets = db.select().from(evmWallets).all()
+				return wallets.map((w) => ({
+					id: w.id,
+					name: w.name,
+					hasPassword: !!w.passwordHash,
+					vaultKey: w.vaultKey,
+					createdAt: w.createdAt,
+				}))
+			},
+			evmGetSeed: async ({ vaultKey }) => {
+				console.log('[rpc] evmGetSeed:', vaultKey)
+				const seed = await Bun.secrets.get({ service: 'koins', name: vaultKey })
+				if (!seed) throw new Error('Seed not found in keychain')
+				return seed
+			},
+			evmDeleteWallet: async ({ id }) => {
+				console.log('[rpc] evmDeleteWallet:', id)
+				const wallet = db.select().from(evmWallets).where(eq(evmWallets.id, id)).get()
+				if (!wallet) throw new Error('Wallet not found')
+				await Promise.all([
+					Bun.secrets.delete({ service: 'koins', name: wallet.vaultKey }),
+					Bun.secrets.delete({ service: 'koins', name: `evm_auth_${id}` }),
+				])
+				db.delete(evmWallets).where(eq(evmWallets.id, id)).run()
+				console.log('[rpc] evmDeleteWallet complete')
+			},
 		},
 		messages: {},
 	},

apps/desktop/src/bun/lib/db/schema.ts

@@ -72,6 +72,14 @@ export const transactionReceipts = sqliteTable(
 	}),
 )
 
+export const evmWallets = sqliteTable('evm_wallets', {
+	id: text('id').primaryKey(),
+	name: text('name').notNull(),
+	passwordHash: text('password_hash'),
+	vaultKey: text('vault_key').notNull(),
+	createdAt: text('created_at').notNull(),
+})
+
 export const txHistory = sqliteTable(
 	'tx_history',
 	{

apps/desktop/src/lib/components/EvmDashboard.svelte

@@ -19,6 +19,10 @@
 	import QrCodeIcon from '@lucide/svelte/icons/qr-code'
 	import SettingsIcon from '@lucide/svelte/icons/settings'
 	import Fingerprint from '@lucide/svelte/icons/fingerprint'
+	import Trash2 from '@lucide/svelte/icons/trash-2'
+	import Plus from '@lucide/svelte/icons/plus'
+	import WalletIcon from '@lucide/svelte/icons/wallet'
+	import LockKeyhole from '@lucide/svelte/icons/lock-keyhole'
 	import * as Dialog from '$lib/components/ui/dialog/index.js'
 	import QRCode from 'qrcode'
 	import Loader from './loader.svelte'
@@ -57,9 +61,11 @@
 	let inputSeed = $state('')
 	let inputPassword = $state('')
 	let inputUnlockPassword = $state('')
+	let inputWalletName = $state('')
 	let apiKeyInput = $state('')
 	let qrDataUrl = $state('')
 	let qrDialogOpen = $state(false)
+	let showCreateForm = $state(false)
 	$effect(() => {
 		if (w.address) {
 			QRCode.toDataURL(w.address, { width: 256, margin: 1 }).then(
@@ -91,43 +97,100 @@
 		class="mx-auto mt-16 max-w-md text-center text-muted-foreground text-sm">
 		Loading...
 	</div>
-{:else if !w.vaultExists}
+{:else if w.wallets.length === 0 || showCreateForm}
 	<Card>
 		<CardHeader>
-			<CardTitle>Import Wallet</CardTitle>
+			<CardTitle>
+				{#if showCreateForm}
+					{@const cur = w.currentWallet}
+					{cur ? `Add Another Wallet` : `Import Wallet`}
+				{:else}
+					Import Wallet
+				{/if}
+			</CardTitle>
 			<CardDescription>
-				Enter your seed phrase to save it securely in your system
-				keychain
+				Name your wallet and enter your seed phrase to save it securely
 			</CardDescription>
 		</CardHeader>
 		<CardContent>
 			<div class="flex flex-col gap-3">
+				<input
+					type="text"
+					placeholder="Wallet name (e.g. Main, Savings)"
+					class="flex h-8 w-full rounded-md border border-input bg-transparent px-2 py-1 font-mono text-xs"
+					bind:value={inputWalletName} />
 				<Textarea
 					placeholder="Enter your 12 or 24 word seed phrase"
 					bind:value={inputSeed} />
 				<input
 					type="password"
-					placeholder="Set a password (optional, used when Touch ID is unavailable)"
+					placeholder="Set a password (optional)"
 					class="flex h-8 w-full rounded-md border border-input bg-transparent px-2 py-1 font-mono text-xs"
 					bind:value={inputPassword} />
-				<Button
-					onclick={() =>
-						w.saveVault(inputSeed, inputPassword || undefined)}
-					disabled={w.loading || !inputSeed.trim()}>
-					{w.loading ? 'Saving...' : 'Save to Keychain'}
-				</Button>
+				<div class="flex gap-2">
+					<Button
+						onclick={() =>
+							w.createWallet(inputWalletName, inputSeed, inputPassword || undefined)}
+						disabled={w.loading || !inputSeed.trim() || !inputWalletName.trim()}>
+						{w.loading ? 'Saving...' : 'Save Wallet'}
+					</Button>
+					{#if showCreateForm}
+						<Button variant="outline" onclick={() => (showCreateForm = false)}>
+							Cancel
+						</Button>
+					{/if}
+				</div>
 			</div>
 			{#if w.error}
 				<p class="mt-3 text-red-500">{w.error}</p>
 			{/if}
 		</CardContent>
 	</Card>
+{:else if !w.currentWalletId}
+	<Card>
+		<CardHeader>
+			<CardTitle>Wallets</CardTitle>
+			<CardDescription>Select a wallet to use</CardDescription>
+		</CardHeader>
+		<CardContent>
+			<div class="flex flex-col gap-2">
+				{#each w.wallets as wal}
+					<button
+						onclick={async () => {
+							if (wal.hasPassword) {
+								await w.selectWallet(wal.id)
+							} else {
+								await w.selectAndUnlockWallet(wal.id)
+							}
+						}}
+						class="flex w-full cursor-pointer items-center gap-3 rounded-md border border-input p-3 text-left hover:bg-muted transition-colors">
+						<WalletIcon size={20} class="shrink-0 text-muted-foreground" />
+						<div class="flex-1 min-w-0">
+							<p class="font-medium text-sm">{wal.name}</p>
+							<p class="text-xs text-muted-foreground">
+								{new Date(wal.createdAt).toLocaleDateString()}
+							</p>
+						</div>
+						<div class="flex items-center gap-1">
+							{#if wal.hasPassword}
+								<LockKeyhole size={14} class="text-muted-foreground" />
+							{/if}
+						</div>
+					</button>
+				{/each}
+				<Button variant="outline" onclick={() => (showCreateForm = true)} class="mt-2">
+					<Plus size={16} />
+					Add Wallet
+				</Button>
+			</div>
+		</CardContent>
+	</Card>
 {:else if w.isLocked}
 	<Card>
 		<CardHeader>
-			<CardTitle>Wallet Locked</CardTitle>
+			<CardTitle>{w.currentWallet?.name ?? 'Wallet'} Locked</CardTitle>
 			<CardDescription>
-				Your seed is stored in the system keychain
+				Unlock to access your wallet
 			</CardDescription>
 		</CardHeader>
 		<CardContent>
@@ -140,7 +203,7 @@
 						{w.loading ? 'Unlocking...' : 'Unlock with Touch ID'}
 					</Button>
 				{/if}
-				{#if w.passwordSet}
+				{#if w.currentPasswordHash}
 					<div class="flex gap-2 items-end">
 						<input
 							type="password"
@@ -161,6 +224,9 @@
 						</Button>
 					</div>
 				{/if}
+				<Button variant="outline" onclick={() => w.clearSelection()}>
+					Pick another wallet
+				</Button>
 			</div>
 			{#if w.error}
 				<p class="mt-3 text-red-500">{w.error}</p>
@@ -186,7 +252,9 @@
 			<CardHeader>
 				<div class="flex items-center justify-between">
 					<div>
-						<CardTitle>Wallet</CardTitle>
+						<CardTitle>
+							{w.currentWallet?.name ?? 'Wallet'}
+						</CardTitle>
 						<CardDescription>Your wallet is unlocked</CardDescription>
 					</div>
 				</div>
@@ -268,7 +336,7 @@
 					<p class="mb-3 text-red-500">{w.error}</p>
 				{/if}
 
-				<div class="flex gap-2">
+				<div class="flex gap-2 flex-wrap">
 					<Button onclick={() => w.refresh()} disabled={w.loading}>
 						{#if w.loading}
 							<Loader />
@@ -280,6 +348,12 @@
 						onclick={() => navigate('/settings')}>
 						<SettingsIcon size={16} />
 					</Button>
+					<Button
+						variant="outline"
+						onclick={() => w.lock()}>
+						<LockKeyhole size={16} />
+						Lock
+					</Button>
 					<Button
 						variant="outline"
 						onclick={async () => {

apps/desktop/src/lib/electrobun.ts

@@ -89,6 +89,14 @@ export type TokenBalanceResult = {
 	logo?: string
 }
 
+export type EvmWalletInfo = {
+	id: string
+	name: string
+	hasPassword: boolean
+	vaultKey: string
+	createdAt: string
+}
+
 type RPC = {
 	bun: {
 		requests: {
@@ -212,6 +220,22 @@ type RPC = {
 				params: {}
 				response: string[]
 			}
+			evmCreateWallet: {
+				params: { name: string; phrase: string; passwordHash?: string }
+				response: { id: string; name: string; createdAt: string }
+			}
+			evmListWallets: {
+				params: {}
+				response: EvmWalletInfo[]
+			}
+			evmGetSeed: {
+				params: { vaultKey: string }
+				response: string
+			}
+			evmDeleteWallet: {
+				params: { id: string }
+				response: void
+			}
 		}
 		messages: {}
 	}

apps/desktop/src/lib/states/evm-wallet.svelte.ts

@@ -1,6 +1,6 @@
 import { mnemonicToAccount } from 'viem/accounts'
 import { createPublicClient, http, formatEther } from 'viem'
-import { electrobun, type TxEntry } from '$lib/electrobun'
+import { electrobun, type TxEntry, type EvmWalletInfo } from '$lib/electrobun'
 import { tryCatch } from '@koins/utils'
 import { moneroWallet } from './monero-wallet.svelte.js'
 
@@ -51,12 +51,13 @@ export const EvmWallet = () => {
 	let balance = $state('0')
 	let tokenBalances = $state<TokenBalance[]>([])
 	let network = $state<NetworkId>('eth')
-	let vaultExists = $state(false)
 	let apiKey = $state('')
 	let transactions = $state<TxEntry[]>([])
-	let passwordHash = $state('')
 	let loading = $state(false)
 	let error = $state('')
+	let wallets = $state<EvmWalletInfo[]>([])
+	let currentWalletId = $state<string | null>(null)
+	let currentPasswordHash = $state<string | null>(null)
 
 	const net = () => networks.find((n) => n.id === network)!
 
@@ -79,21 +80,22 @@ export const EvmWallet = () => {
 
 	const init = async () => {
 		if (!electrobun.rpc) return
-		const [raw] = await tryCatch(
-			electrobun.rpc.request.getSecret({ service: 'koins', name: 'vault' }),
+
+		const [walletList] = await tryCatch(
+			electrobun.rpc.request.evmListWallets({}),
 		)
-		vaultExists = raw !== null && raw !== undefined
+		if (walletList) {
+			wallets = walletList
+			if (walletList.length === 1 && !currentWalletId) {
+				currentWalletId = walletList[0].id
+			}
+		}
 
 		const [key] = await tryCatch(
 			electrobun.rpc.request.getSecret({ service: 'koins', name: 'alchemy_key' }),
 		)
 		if (key) apiKey = key
 
-		const [ph] = await tryCatch(
-			electrobun.rpc.request.getSecret({ service: 'koins', name: 'vault_password' }),
-		)
-		if (ph) passwordHash = ph
-
 		await moneroWallet.checkStatus()
 		if (moneroWallet.installed && !moneroWallet.running && !moneroWallet.downloading) {
 			await moneroWallet.start()
@@ -119,21 +121,29 @@ export const EvmWallet = () => {
 	const logout = async () => {
 		await moneroWallet.stop()
 		accountType = null
+		clearWallet()
+	}
+
+	const clearWallet = () => {
 		seed = ''
 		address = ''
 		balance = '0'
 		tokenBalances = []
 		transactions = []
 		error = ''
+		currentPasswordHash = null
 	}
 
-	const loadSeed = async () => {
+	const unlockWallet = async (walletId: string) => {
 		if (!electrobun.rpc) return false
-		const [raw] = await tryCatch(
-			electrobun.rpc.request.getSecret({ service: 'koins', name: 'vault' }),
+		const wallet = wallets.find((w) => w.id === walletId)
+		if (!wallet) return false
+		currentWalletId = walletId
+		const [vaultSeed] = await tryCatch(
+			electrobun.rpc.request.evmGetSeed({ vaultKey: wallet.vaultKey }),
 		)
-		if (!raw) return false
-		seed = raw
+		if (!vaultSeed) return false
+		seed = vaultSeed
 		await refresh()
 		return true
 	}
@@ -144,48 +154,102 @@ export const EvmWallet = () => {
 			electrobun.rpc.request.biometricAuth({ reason: 'Unlock wallet' }),
 		)
 		if (!authed) return false
-		return loadSeed()
+		if (!currentWalletId) return false
+		await loadSeedForWallet(currentWalletId)
+		return !!seed
 	}
 
 	const unlockWithPassword = async (password: string) => {
-		if (!passwordHash) return false
+		if (!currentPasswordHash || !currentWalletId) return false
 		try {
-			const { salt, hash } = JSON.parse(passwordHash)
+			const { salt, hash } = JSON.parse(currentPasswordHash)
 			const { hash: check } = await hashPassword(password, salt)
 			if (check !== hash) return false
-			return await loadSeed()
+			return loadSeedForWallet(currentWalletId)
 		} catch {
 			return false
 		}
 	}
 
-	const setPassword = async (password: string) => {
-		if (!electrobun.rpc) return
-		const ph = await hashPassword(password)
-		const raw = JSON.stringify(ph)
-		await electrobun.rpc.request.setSecret({
-			service: 'koins', name: 'vault_password', value: raw,
-		})
-		passwordHash = raw
+	const loadSeedForWallet = async (walletId: string) => {
+		if (!electrobun.rpc) return false
+		const wallet = wallets.find((w) => w.id === walletId)
+		if (!wallet) return false
+		const [vaultSeed] = await tryCatch(
+			electrobun.rpc.request.evmGetSeed({ vaultKey: wallet.vaultKey }),
+		)
+		if (!vaultSeed) return false
+		seed = vaultSeed
+		await refresh()
+		return true
 	}
 
-	const saveVault = async (phrase: string, password?: string) => {
+	const selectWallet = async (walletId: string) => {
+		currentWalletId = walletId
+		clearWallet()
+		const wallet = wallets.find((w) => w.id === walletId)
+		if (!wallet) return
+		if (wallet.hasPassword && electrobun.rpc) {
+			const [ph] = await tryCatch(
+				electrobun.rpc.request.getSecret({
+					service: 'koins',
+					name: `evm_auth_${walletId}`,
+				}),
+			)
+			if (ph) {
+				currentPasswordHash = ph
+			}
+		} else {
+			currentPasswordHash = null
+		}
+	}
+
+	const selectAndUnlockWallet = async (walletId: string) => {
+		await selectWallet(walletId)
+		if (!currentPasswordHash && biometricAvailable) {
+			return unlockWithBiometrics()
+		}
+		return false
+	}
+
+	const createWallet = async (name: string, phrase: string, password?: string) => {
 		loading = true
 		error = ''
 		try {
 			mnemonicToAccount(phrase.trim())
-			await electrobun.rpc?.request.setSecret({
-				service: 'koins', name: 'vault', value: phrase.trim(),
-			})
+			let passwordHash: string | undefined
 			if (password) {
 				const ph = await hashPassword(password)
-				await electrobun.rpc?.request.setSecret({
-					service: 'koins', name: 'vault_password', value: JSON.stringify(ph),
-				})
 				passwordHash = JSON.stringify(ph)
 			}
+			const [result, resultError] = await tryCatch(
+				electrobun.rpc!.request.evmCreateWallet({
+					name,
+					phrase: phrase.trim(),
+					passwordHash,
+				}),
+			)
+			if (resultError) throw resultError
+
+			if (passwordHash) {
+				await electrobun.rpc?.request.setSecret({
+					service: 'koins',
+					name: `evm_auth_${result.id}`,
+					value: passwordHash,
+				})
+			}
+
+			const newWallet: EvmWalletInfo = {
+				id: result.id,
+				name,
+				hasPassword: !!passwordHash,
+				vaultKey: `evm_seed_${result.id}`,
+				createdAt: result.createdAt,
+			}
+			wallets = [...wallets, newWallet]
+			currentWalletId = result.id
+			if (passwordHash) currentPasswordHash = passwordHash
 			seed = phrase.trim()
-			vaultExists = true
 			await refresh()
 		} catch (e) {
 			error = e instanceof Error ? e.message : 'Invalid seed phrase'
@@ -194,6 +258,20 @@ export const EvmWallet = () => {
 		}
 	}
 
+	const deleteWallet = async (walletId: string) => {
+		await electrobun.rpc?.request.evmDeleteWallet({ id: walletId })
+		wallets = wallets.filter((w) => w.id !== walletId)
+		if (currentWalletId === walletId) {
+			clearWallet()
+			currentWalletId = wallets.length > 0 ? wallets[0].id : null
+		}
+	}
+
+	const clearSelection = () => {
+		clearWallet()
+		currentWalletId = null
+	}
+
 	const switchNetwork = async (id: NetworkId) => {
 		network = id
 		if (seed) await refresh()
@@ -246,24 +324,14 @@ export const EvmWallet = () => {
 	}
 
 	const lock = () => {
-		seed = ''
-		address = ''
-		balance = '0'
-		error = ''
-		tokenBalances = []
-		transactions = []
+		clearWallet()
 	}
 
 	const reset = () => {
-		seed = ''
-		address = ''
-		balance = '0'
-		error = ''
-		tokenBalances = []
-		transactions = []
+		clearWallet()
 		apiKey = ''
-		vaultExists = false
-		passwordHash = ''
+		wallets = []
+		currentWalletId = null
 	}
 
 	const resetApp = async () => {
@@ -287,34 +355,37 @@ export const EvmWallet = () => {
 		get networkName() { return net().name },
 		get symbol() { return net().symbol },
 		get explorerUrl() { return net().explorerUrl },
-		get vaultExists() { return vaultExists },
 		get networks() { return networks },
 		get apiKey() { return apiKey },
 		get transactions() { return transactions },
-		get passwordSet() { return !!passwordHash },
 		get loading() { return loading },
 		get error() { return error },
-		get isLocked() { return vaultExists && !seed },
-		set passwordHash(v: string) { passwordHash = v },
-		set vaultExists(v: boolean) { vaultExists = v },
+		get wallets() { return wallets },
+		get currentWalletId() { return currentWalletId },
+		get currentWallet() { return wallets.find((w) => w.id === currentWalletId) ?? null },
+		get isLocked() { return !!currentWalletId && !seed },
+		get hasWallets() { return wallets.length > 0 },
+		get currentPasswordHash() { return currentPasswordHash },
 		set apiKey(v: string) { apiKey = v },
-		set seed(v: string) { seed = v },
 		set error(v: string) { error = v },
 		init,
 		login,
 		logout,
 		refresh,
-		saveVault,
+		createWallet,
 		switchNetwork,
 		saveApiKey,
 		fetchTxHistory,
-		loadSeed,
 		lock,
 		reset,
 		resetApp,
 		unlockWithBiometrics,
 		unlockWithPassword,
-		setPassword,
+		selectWallet,
+		selectAndUnlockWallet,
+		unlockWallet,
+		deleteWallet,
+		clearSelection,
 	}
 }