From 5dbff91bccc052c1c2220ed22a111b57595b1221 Mon Sep 17 00:00:00 2001
From: TZGyn <spectator_brethren761@slmails.com>
Date: Fri, 29 May 2026 00:48:07 +0800
Subject: [PATCH] evm: generate wallet seed, fix token send value.split error

---
 apps/desktop/src/bun/rpc/evm/index.ts         | 32 ++++++++++++-------
 .../src/lib/components/EvmDashboard.svelte    | 18 ++++++++---
 apps/desktop/src/routes/multicoin/send.svelte |  2 +-
 3 files changed, 35 insertions(+), 17 deletions(-)

diff --git a/apps/desktop/src/bun/rpc/evm/index.ts b/apps/desktop/src/bun/rpc/evm/index.ts
index edd7f0a..ebbad09 100644
--- a/apps/desktop/src/bun/rpc/evm/index.ts
+++ b/apps/desktop/src/bun/rpc/evm/index.ts
@@ -10,7 +10,13 @@ import { syncTransactionHistory } from '../../lib/sync'
 import { eq, and } from 'drizzle-orm'
 import { db } from '../../lib/db'
 import { getClient } from '../../lib/viem'
-import { formatGwei, parseEther, parseUnits, encodeFunctionData, createWalletClient } from 'viem'
+import {
+	formatGwei,
+	parseEther,
+	parseUnits,
+	encodeFunctionData,
+	createWalletClient,
+} from 'viem'
 import { mnemonicToAccount } from 'viem/accounts'
 import { getChain } from '../../lib/viem/getChain'
 import { getChainID } from '../../lib/alchemy/network'
@@ -517,15 +523,13 @@ export function createEvmHandlers(
 				name: vaultKey,
 				value: phrase,
 			})
-			await db
-				.insert(evmWallets)
-				.values({
-					id,
-					name,
-					passwordHash: passwordHash ?? null,
-					vaultKey,
-					createdAt: new Date().toISOString(),
-				})
+			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() }
 		},
@@ -590,6 +594,7 @@ export function createEvmHandlers(
 				name: 'alchemy_key',
 			})
 			if (!key) throw new Error('API key not set')
+			const _amount = String(amount)
 			const account = mnemonicToAccount(seed)
 			const id = getChainID(chainid)
 			if (!id) throw new Error('Unsupported chain')
@@ -614,7 +619,10 @@ export function createEvmHandlers(
 				const data = encodeFunctionData({
 					abi: erc20Abi,
 					functionName: 'transfer',
-					args: [to as `0x${string}`, parseUnits(amount, tokenDecimals)],
+					args: [
+						to as `0x${string}`,
+						parseUnits(_amount, tokenDecimals),
+					],
 				})
 				const hash = await walletClient.sendTransaction({
 					to: contractAddress as `0x${string}`,
@@ -625,7 +633,7 @@ export function createEvmHandlers(
 			}
 			const hash = await walletClient.sendTransaction({
 				to: to as `0x${string}`,
-				value: parseEther(amount),
+				value: parseEther(_amount),
 			})
 			return hash
 		},
diff --git a/apps/desktop/src/lib/components/EvmDashboard.svelte b/apps/desktop/src/lib/components/EvmDashboard.svelte
index d995632..aec68e4 100644
--- a/apps/desktop/src/lib/components/EvmDashboard.svelte
+++ b/apps/desktop/src/lib/components/EvmDashboard.svelte
@@ -6,7 +6,9 @@
 	} from '$lib/states/evm-wallet.svelte.js'
 	import { Button } from '$lib/components/ui/button/index.js'
 	import { Textarea } from '$lib/components/ui/textarea/index.js'
-	import { navigate } from 'sv-router/generated'
+import { generateMnemonic } from 'viem/accounts'
+import { english } from 'viem/accounts'
+import { navigate } from 'sv-router/generated'
 	import {
 		Card,
 		CardContent,
@@ -172,14 +174,14 @@
 			<CardTitle>
 				{#if showCreateForm}
 					{@const cur = w.currentWallet}
-					{cur ? `Add Another Wallet` : `Import Wallet`}
+					{cur ? `Add Another Wallet` : `Import / Create Wallet`}
 				{:else}
-					Import Wallet
+					Import / Create Wallet
 				{/if}
 			</CardTitle>
 			<CardDescription>
 				Name your wallet and enter your seed phrase to save it
-				securely
+				securely, or generate a new wallet
 			</CardDescription>
 		</CardHeader>
 		<CardContent>
@@ -192,6 +194,14 @@
 				<Textarea
 					placeholder="Enter your 12 or 24 word seed phrase"
 					bind:value={inputSeed} />
+				<Button
+					variant="outline"
+					onclick={() => {
+						inputSeed = generateMnemonic(english)
+					}}
+					class="w-full mt-1">
+					Generate Random Seed
+				</Button>
 				<input
 					type="password"
 					placeholder="Set a password (optional)"
diff --git a/apps/desktop/src/routes/multicoin/send.svelte b/apps/desktop/src/routes/multicoin/send.svelte
index 41c6c10..5115137 100644
--- a/apps/desktop/src/routes/multicoin/send.svelte
+++ b/apps/desktop/src/routes/multicoin/send.svelte
@@ -76,7 +76,7 @@
 		try {
 			const txHash = await w.send(
 				recipient,
-				amount,
+				String(amount),
 				selectedToken.contractAddress || undefined,
 				selectedToken.decimals,
 			)