From cc32fdb20ffe7caee595d637f739752b0ef6933e Mon Sep 17 00:00:00 2001
From: TZGyn <spectator_brethren761@slmails.com>
Date: Sun, 24 May 2026 19:43:32 +0800
Subject: [PATCH] Add Monero send page with transfer RPC and account selection

---
 apps/desktop/src/bun/index.ts                 |  17 ++
 apps/desktop/src/bun/lib/monero/wallet.ts     |  24 ++
 apps/desktop/src/lib/electrobun.ts            |   1 +
 apps/desktop/src/lib/rpc-schema.ts            |   7 +
 .../src/lib/states/monero-wallet.svelte.ts    |  20 +-
 apps/desktop/src/routes/monero/index.svelte   |   3 +
 apps/desktop/src/routes/monero/send.svelte    | 209 ++++++++++++++++++
 7 files changed, 280 insertions(+), 1 deletion(-)
 create mode 100644 apps/desktop/src/routes/monero/send.svelte

diff --git a/apps/desktop/src/bun/index.ts b/apps/desktop/src/bun/index.ts
index 1e7a963..f95d11b 100644
--- a/apps/desktop/src/bun/index.ts
+++ b/apps/desktop/src/bun/index.ts
@@ -712,6 +712,23 @@ const rpc = BrowserView.defineRPC<RPC>({
 				)
 				return wallets
 			},
+			moneroTransfer: async ({ address, amount, priority, accountIndex }) => {
+				console.log('[rpc] moneroTransfer:', {
+					address,
+					amount,
+					priority,
+				})
+				if (!moneroManager)
+					throw new Error('Monero wallet RPC not started')
+				const result = await moneroManager.transfer(
+					address,
+					BigInt(amount),
+					priority ?? 0,
+					accountIndex ?? 0,
+				)
+				console.log('[rpc] moneroTransfer complete:', result.txHash)
+				return result
+			},
 			evmCreateWallet: async ({ name, phrase, passwordHash }) => {
 				console.log('[rpc] evmCreateWallet:', name)
 				const id = crypto.randomUUID()
diff --git a/apps/desktop/src/bun/lib/monero/wallet.ts b/apps/desktop/src/bun/lib/monero/wallet.ts
index b6734af..4bc2b6b 100644
--- a/apps/desktop/src/bun/lib/monero/wallet.ts
+++ b/apps/desktop/src/bun/lib/monero/wallet.ts
@@ -337,6 +337,30 @@ export class MoneroWalletManager {
 		}
 	}
 
+	async transfer(
+		address: string,
+		amount: bigint,
+		priority: number = 0,
+		accountIndex: number = 0,
+	): Promise<{ txHash: string; fee: string; amount: string }> {
+		if (!this.wallet) throw new Error('Wallet RPC not started')
+		console.log(`[monero] transfer: ${address} amount=${amount.toString()} priority=${priority} account=${accountIndex}`)
+		const result = await this.rawRpc('transfer', {
+			destinations: [{ address, amount: amount.toString() }],
+			priority,
+			account_index: accountIndex,
+			get_tx_key: true,
+			get_tx_hex: false,
+			get_tx_metadata: false,
+		})
+		console.log(`[monero] transfer result: tx_hash=${result.tx_hash} fee=${result.fee} amount=${result.amount}`)
+		return {
+			txHash: result.tx_hash,
+			fee: result.fee?.toString() ?? '0',
+			amount: result.amount?.toString() ?? amount.toString(),
+		}
+	}
+
 	async isWalletOpen(): Promise<boolean> {
 		if (!this.wallet) return false
 		try {
diff --git a/apps/desktop/src/lib/electrobun.ts b/apps/desktop/src/lib/electrobun.ts
index be80181..def2c6d 100644
--- a/apps/desktop/src/lib/electrobun.ts
+++ b/apps/desktop/src/lib/electrobun.ts
@@ -7,6 +7,7 @@ export type {
 	MoneroWalletStatus,
 	MoneroSubaddressEntry,
 	MoneroAccountEntry,
+	MoneroSendResult,
 	TxEntry,
 	TransactionDetails,
 	TokenBalanceResult,
diff --git a/apps/desktop/src/lib/rpc-schema.ts b/apps/desktop/src/lib/rpc-schema.ts
index dce9685..23ef36b 100644
--- a/apps/desktop/src/lib/rpc-schema.ts
+++ b/apps/desktop/src/lib/rpc-schema.ts
@@ -40,6 +40,12 @@ export type MoneroSubaddressEntry = {
 	numBlocksToUnlock: number
 }
 
+export type MoneroSendResult = {
+	txHash: string
+	fee: string
+	amount: string
+}
+
 export type MoneroAccountEntry = {
 	index: number
 	primaryAddress: string
@@ -129,6 +135,7 @@ export type RPC = {
 			moneroWalletStatus: { params: {}; response: MoneroWalletStatus }
 			moneroGetAccounts: { params: {}; response: MoneroAccountEntry[] }
 			moneroListWallets: { params: {}; response: string[] }
+			moneroTransfer: { params: { address: string; amount: string; priority?: number; accountIndex?: number }; response: MoneroSendResult }
 			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 }
diff --git a/apps/desktop/src/lib/states/monero-wallet.svelte.ts b/apps/desktop/src/lib/states/monero-wallet.svelte.ts
index 9465dc8..c9ced62 100644
--- a/apps/desktop/src/lib/states/monero-wallet.svelte.ts
+++ b/apps/desktop/src/lib/states/monero-wallet.svelte.ts
@@ -1,4 +1,4 @@
-import { electrobun, type MoneroTxEntry, type MoneroAccountEntry } from '$lib/electrobun'
+	import { electrobun, type MoneroTxEntry, type MoneroAccountEntry, type MoneroSendResult } from '$lib/electrobun'
 import { tryCatch } from '@koins/utils'
 
 export const moneroNetwork = {
@@ -229,6 +229,23 @@ export const MoneroWallet = () => {
 		}
 	}
 
+	const send = async (
+		address: string,
+		amountAtomic: string,
+		priority?: number,
+		accountIndex?: number,
+	): Promise<MoneroSendResult> => {
+		if (!electrobun.rpc) throw new Error('RPC not available')
+		const result = await electrobun.rpc.request.moneroTransfer({
+			address,
+			amount: amountAtomic,
+			priority,
+			accountIndex,
+		})
+		await refresh()
+		return result
+	}
+
 	return {
 		get accountType() { return accountType },
 		get ready() { return ready },
@@ -273,6 +290,7 @@ export const MoneroWallet = () => {
 		restoreWallet,
 		openWallet,
 		refresh,
+		send,
 	}
 }
 
diff --git a/apps/desktop/src/routes/monero/index.svelte b/apps/desktop/src/routes/monero/index.svelte
index ddaeaa2..d13bb2d 100644
--- a/apps/desktop/src/routes/monero/index.svelte
+++ b/apps/desktop/src/routes/monero/index.svelte
@@ -219,6 +219,9 @@
 							{/if}
 							Refresh
 						</Button>
+						<Button variant="outline" onclick={() => navigate('/monero/send')}>
+							Send
+						</Button>
 						<Button variant="outline" onclick={() => navigate('/monero/settings')}>
 							<SettingsIcon size={16} />
 						</Button>
diff --git a/apps/desktop/src/routes/monero/send.svelte b/apps/desktop/src/routes/monero/send.svelte
new file mode 100644
index 0000000..e378c30
--- /dev/null
+++ b/apps/desktop/src/routes/monero/send.svelte
@@ -0,0 +1,209 @@
+<script lang="ts">
+	import {
+		moneroWallet,
+		atomicToXmr,
+	} from '$lib/states/monero-wallet.svelte.js'
+	import { Button } from '$lib/components/ui/button/index.js'
+	import { Input } from '$lib/components/ui/input/index.js'
+	import {
+		Card,
+		CardContent,
+		CardHeader,
+		CardTitle,
+		CardDescription,
+	} from '$lib/components/ui/card/index.js'
+	import {
+		Select,
+		SelectContent,
+		SelectItem,
+		SelectTrigger,
+	} from '$lib/components/ui/select/index.js'
+	import { navigate } from 'sv-router/generated'
+
+	const w = moneroWallet
+
+	let recipient = $state('')
+	let amountXmr = $state('')
+	let priority = $state('0')
+	let accountIndex = $state(
+		w.accounts.length > 0 ? String(w.accounts[0].index) : '0',
+	)
+	let sending = $state(false)
+	let sentResult = $state<{ txHash: string; fee: string } | null>(
+		null,
+	)
+	let sendError = $state('')
+
+	const selectedAccount = $derived(
+		w.accounts.find((a) => String(a.index) === accountIndex),
+	)
+
+	const unlockedAtomic = $derived(
+		selectedAccount?.unlockedBalance ?? w.unlockedAtomic,
+	)
+	const balanceAtomic = $derived(
+		selectedAccount?.balance ?? w.balAtomic,
+	)
+
+	const amountAtomic = $derived.by(() => {
+		if (!amountXmr) return 0n
+		const num = parseFloat(amountXmr)
+		if (isNaN(num) || num <= 0) return 0n
+		return BigInt(Math.round(num * 1e12))
+	})
+	const exceedsBalance = $derived(
+		amountAtomic > BigInt(unlockedAtomic),
+	)
+	const canSend = $derived(
+		recipient.startsWith('4') &&
+			recipient.length >= 95 &&
+			amountAtomic > 0n &&
+			!exceedsBalance &&
+			!sending,
+	)
+
+	const handleSend = async () => {
+		sending = true
+		sendError = ''
+		sentResult = null
+		try {
+			const result = await w.send(
+				recipient,
+				amountAtomic.toString(),
+				parseInt(priority),
+				parseInt(accountIndex),
+			)
+			sentResult = { txHash: result.txHash, fee: result.fee }
+			recipient = ''
+			amountXmr = ''
+		} catch (e) {
+			sendError = e instanceof Error ? e.message : 'Send failed'
+		} finally {
+			sending = false
+		}
+	}
+</script>
+
+<div class="mx-auto mt-16 max-w-md">
+	<Button
+		variant="outline"
+		size="sm"
+		onclick={() => navigate('/monero')}
+		class="mb-4">
+		&larr; Back
+	</Button>
+
+	<Card>
+		<CardHeader>
+			<CardTitle>Send XMR</CardTitle>
+			<CardDescription>
+				Balance: {atomicToXmr(unlockedAtomic)} XMR
+				{#if unlockedAtomic !== balanceAtomic}
+					(locked: {atomicToXmr(
+						(
+							BigInt(balanceAtomic) - BigInt(unlockedAtomic)
+						).toString(),
+					)} XMR)
+				{/if}
+			</CardDescription>
+		</CardHeader>
+		<CardContent>
+			<form
+				onsubmit={(e) => {
+					e.preventDefault()
+					handleSend()
+				}}
+				class="space-y-4">
+				<div class="space-y-1.5">
+					<label class="text-xs font-medium">From Account</label>
+					<Select type="single" bind:value={accountIndex}>
+						<SelectTrigger>
+							{accountIndex}
+						</SelectTrigger>
+						<SelectContent>
+							{#each w.accounts as acct}
+								<SelectItem value={String(acct.index)}>
+									Account {acct.index}{acct.label
+										? ` - ${acct.label}`
+										: ''}
+									({atomicToXmr(acct.unlockedBalance)} XMR)
+								</SelectItem>
+							{/each}
+						</SelectContent>
+					</Select>
+				</div>
+
+				<div class="space-y-1.5">
+					<label class="text-xs font-medium">Recipient Address</label>
+					<Input
+						placeholder="Monero address starting with 4..."
+						bind:value={recipient} />
+				</div>
+
+				<div class="space-y-1.5">
+					<label class="text-xs font-medium">Amount (XMR)</label>
+					<div class="relative">
+						<Input
+							type="number"
+							step="0.000000000001"
+							min="0"
+							placeholder="0.0"
+							bind:value={amountXmr} />
+						<span
+							class="absolute right-3 top-1/2 -translate-y-1/2 text-xs text-muted-foreground">
+							XMR
+						</span>
+					</div>
+					{#if exceedsBalance}
+						<p class="text-xs text-red-500">
+							Amount exceeds unlocked balance
+						</p>
+					{/if}
+					<p class="text-xs text-muted-foreground">
+						{new Intl.NumberFormat().format(Number(amountAtomic))} atomic
+						units
+					</p>
+				</div>
+
+				<div class="space-y-1.5">
+					<label class="text-xs font-medium">Priority</label>
+					<Select type="single" bind:value={priority}>
+						<SelectTrigger>
+							{priority}
+						</SelectTrigger>
+						<SelectContent>
+							<SelectItem value="0">Default</SelectItem>
+							<SelectItem value="1">Unimportant</SelectItem>
+							<SelectItem value="2">Normal</SelectItem>
+							<SelectItem value="3">Elevated</SelectItem>
+							<SelectItem value="4">Priority</SelectItem>
+						</SelectContent>
+					</Select>
+				</div>
+
+				<Button type="submit" disabled={!canSend} class="w-full">
+					{sending ? 'Sending...' : 'Send'}
+				</Button>
+			</form>
+
+			{#if sendError}
+				<p class="mt-3 text-xs text-red-500">{sendError}</p>
+			{/if}
+
+			{#if sentResult}
+				<div
+					class="mt-4 space-y-2 rounded-md border border-green-500/30 bg-green-500/5 p-3">
+					<p class="text-xs font-medium text-green-600">
+						Transaction Sent
+					</p>
+					<p class="font-mono text-xs break-all">
+						Hash: {sentResult.txHash}
+					</p>
+					<p class="font-mono text-xs">
+						Fee: {atomicToXmr(sentResult.fee)} XMR
+					</p>
+				</div>
+			{/if}
+		</CardContent>
+	</Card>
+</div>