80875a2ed4
A pasted fixed-amount invoice auto-fills and locks the amount ('set by
invoice' — nothing to type, just review and send); zero-amount invoices get
an explicit 'enter how many sats' hint. Plus a clipboard Paste button on the
destination field (hidden where clipboard read can't work).
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
403 lines
18 KiB
Vue
403 lines
18 KiB
Vue
<template>
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<BaseModal :show="show" :title="t('web5.sendBitcoinTitle')" max-width="max-w-2xl" content-class="max-h-[90vh] overflow-y-auto" @close="close">
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<!-- ============ CONFIRM PANE (second step, mirrors the scan flow) ============ -->
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<template v-if="confirming">
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<div class="mb-3 p-3 bg-white/5 rounded-lg">
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<div class="flex items-center justify-between mb-2">
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<span class="text-xs text-white/50">Method</span>
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<span class="text-sm font-medium" :class="methodColor">{{ methodLabel }}</span>
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</div>
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<div v-if="dest.trim()" class="mb-1">
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<p class="text-xs text-white/50 mb-1">{{ effectiveMethod === 'lightning' ? 'Invoice' : effectiveMethod === 'ark' ? 'Destination' : 'Address' }}</p>
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<p class="text-xs font-mono text-white/80 break-all">{{ destDisplay }}</p>
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</div>
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<p v-else class="text-xs text-white/60">Creates a {{ methodLabel }} token you can share — sats leave your balance when it's redeemed.</p>
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</div>
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<!-- Live balance impact -->
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<div class="mb-3 p-3 bg-white/5 rounded-lg space-y-1.5">
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<div class="flex items-center justify-between">
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<span class="text-xs text-white/50">{{ methodLabel }} balance</span>
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<span class="text-sm font-medium text-white/80">{{ confirmBalance === null ? '…' : confirmBalance.toLocaleString() + ' sats' }}</span>
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</div>
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<div class="flex items-center justify-between">
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<span class="text-xs text-white/50 flex items-center gap-2">
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Amount
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<span v-if="invoiceAmountSats !== null" class="text-[11px] px-2 py-0.5 rounded-full bg-white/10 text-white/50">set by invoice</span>
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</span>
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<span class="text-sm font-medium text-white/80">−{{ confirmAmount.toLocaleString() }} sats</span>
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</div>
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<div class="flex items-center justify-between">
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<span class="text-xs text-white/50">Balance after</span>
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<span class="text-sm font-medium" :class="insufficient ? 'text-red-400' : 'text-white/80'">
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{{ confirmBalance === null ? '…' : balanceAfter.toLocaleString() + ' sats' }}
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</span>
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</div>
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</div>
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<p v-if="insufficient" class="text-xs text-red-400 mb-3">Not enough {{ methodLabel }} balance for this amount.</p>
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<p v-else-if="isSweep" class="text-xs text-white/50 mb-3">Sweeps the entire on-chain balance minus network fees.</p>
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<p v-else-if="effectiveMethod === 'onchain'" class="text-xs text-white/50 mb-3">Network fees are deducted on top of the amount.</p>
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<div v-if="error" class="mb-3 alert-error">{{ error }}</div>
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<div class="flex gap-3">
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<button @click="confirming = false" :disabled="processing" class="flex-1 glass-button px-4 py-2 rounded-lg text-sm">Back</button>
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<button @click="send" :disabled="processing || insufficient || (confirmAmount <= 0 && !isSweep)" class="flex-1 glass-button glass-button-warning px-4 py-2 rounded-lg text-sm font-medium disabled:opacity-50">
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{{ processing ? t('common.sending') : 'Confirm & Send' }}
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</button>
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</div>
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</template>
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<template v-else>
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<!-- Method tabs -->
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<div class="flex gap-1 mb-4 p-1 bg-white/5 rounded-lg">
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<button
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v-for="m in (['lightning', 'onchain', 'ecash', 'fedimint', 'ark'] as const)"
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:key="m"
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@click="sendMethod = m"
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class="flex-1 px-2 py-1.5 rounded text-xs font-medium capitalize transition-colors"
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:class="sendMethod === m ? 'bg-white/15 text-white' : 'text-white/50 hover:text-white/80'"
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>{{ m === 'onchain' ? t('sendBitcoin.onChain') : m === 'lightning' ? t('sendBitcoin.lightning') : m === 'ecash' ? 'Cashu' : m === 'fedimint' ? 'Fedi' : 'Ark' }}</button>
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</div>
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<div v-if="sendMethod === 'auto'" class="mb-3 p-2 bg-white/5 rounded-lg">
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<p class="text-xs text-white/50">{{ t('sendBitcoin.autoMethodDesc') }}</p>
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</div>
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<div class="mb-3">
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<div class="flex items-center justify-between mb-1">
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<label class="text-white/60 text-sm">{{ t('sendBitcoin.amountSats') }}</label>
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<span v-if="pastedInvoiceAmount !== null" class="text-[11px] px-2 py-0.5 rounded-full bg-white/10 text-white/50">set by invoice</span>
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<button
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v-if="sendMethod === 'onchain'"
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@click="toggleSendAll"
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class="text-xs px-2 py-0.5 rounded border transition-colors"
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:class="sendAll
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? 'bg-orange-500/20 border-orange-500/40 text-orange-300'
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: 'bg-white/5 border-white/15 text-white/60 hover:text-white/90'"
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>
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Send all funds
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</button>
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</div>
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<input
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v-model.number="amount"
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type="number"
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min="1"
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:placeholder="sendAll ? '' : pastedInvoiceAmount !== null ? '' : '1000'"
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:disabled="sendAll || pastedInvoiceAmount !== null"
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class="w-full input-glass disabled:opacity-50"
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/>
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<p v-if="sendAll" class="text-xs text-white/50 mt-1">
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Sweeps your entire on-chain balance{{ onchainBalance !== null ? ` (~${onchainBalance.toLocaleString()} sats)` : '' }} minus network fees.
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</p>
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<p v-else-if="pastedInvoiceAmount !== null" class="text-xs text-white/50 mt-1">
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This invoice fixes the amount — nothing to type, just review and send.
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</p>
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<p v-else-if="effectiveMethod === 'lightning' && dest.trim()" class="text-xs text-white/50 mt-1">
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Zero-amount invoice — enter how many sats to pay.
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</p>
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</div>
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<div v-if="effectiveMethod !== 'ecash'" class="mb-3">
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<div class="flex items-center justify-between mb-1">
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<label class="text-white/60 text-sm">
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{{ effectiveMethod === 'lightning' ? t('sendBitcoin.lightningInvoice') : effectiveMethod === 'ark' ? 'Ark address, invoice or lightning address' : t('sendBitcoin.bitcoinAddress') }}
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</label>
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<button
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v-if="canReadClipboard"
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@click="pasteFromClipboard"
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class="text-xs px-2 py-0.5 rounded border bg-white/5 border-white/15 text-white/60 hover:text-white/90 transition-colors"
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>
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{{ effectiveMethod === 'lightning' ? 'Paste invoice' : 'Paste' }}
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</button>
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</div>
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<textarea v-model="dest" rows="2" :placeholder="effectiveMethod === 'lightning' ? 'lnbc...' : effectiveMethod === 'ark' ? 'tark1… / lnbc… / user@lnaddress' : 'bc1...'" class="w-full input-glass font-mono"></textarea>
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</div>
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<div v-if="ecashToken" class="mb-3 p-2 bg-white/5 rounded-lg">
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<p class="text-white/50 text-xs mb-1">{{ t('sendBitcoin.tokenShareLabel') }}</p>
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<!-- QR so the recipient can scan the token straight off this screen
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(animated multi-frame not needed: qrcode handles these sizes). -->
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<div class="flex justify-center my-2">
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<canvas ref="tokenQrCanvas" class="rounded-lg bg-white p-2"></canvas>
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</div>
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<p class="text-xs font-mono text-white/80 break-all">{{ ecashToken }}</p>
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<button @click="copyText(ecashToken)" class="mt-2 text-xs text-orange-400 hover:text-orange-300">{{ t('common.copy') }}</button>
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</div>
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<div v-if="resultTxid" class="mb-3 alert-success">
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<p class="text-xs">{{ t('sendBitcoin.sentTx', { txid: resultTxid }) }}</p>
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</div>
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<div v-if="resultHash" class="mb-3 alert-success">
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<p class="text-xs">{{ t('sendBitcoin.paidHash', { hash: resultHash }) }}</p>
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</div>
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<div v-if="resultArk" class="mb-3 alert-success">
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<p class="text-xs">{{ resultArk }}</p>
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</div>
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<div v-if="error" class="mb-3 alert-error">{{ error }}</div>
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<div class="flex gap-3">
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<button @click="close" class="flex-1 glass-button px-4 py-2 rounded-lg text-sm">{{ t('common.close') }}</button>
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<button @click="$emit('scan')" class="flex-1 glass-button px-4 py-2 rounded-lg text-sm font-medium flex items-center justify-center gap-2">
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<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 8V6a2 2 0 012-2h2M3 16v2a2 2 0 002 2h2m10-16h2a2 2 0 012 2v2m-4 12h2a2 2 0 002-2v-2M7 12h10" />
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</svg>
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Scan
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</button>
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<button @click="review" :disabled="processing" class="flex-1 glass-button glass-button-warning px-4 py-2 rounded-lg text-sm font-medium disabled:opacity-50">
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{{ t('common.send') }}
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</button>
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</div>
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</template>
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</BaseModal>
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</template>
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<script setup lang="ts">
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import { ref, computed, watch, nextTick } from 'vue'
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import { useI18n } from 'vue-i18n'
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import { rpcClient } from '@/api/rpc-client'
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import BaseModal from '@/components/BaseModal.vue'
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const { t } = useI18n()
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const props = defineProps<{ show: boolean }>()
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const emit = defineEmits<{ close: []; sent: []; scan: [] }>()
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// 'auto' remains in the type for the effectiveMethod logic but is no longer
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// offered as a tab (hidden per operator request 2026-07-22).
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const sendMethod = ref<'auto' | 'lightning' | 'onchain' | 'ecash' | 'fedimint' | 'ark'>('lightning')
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const amount = ref<number>(0)
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const dest = ref('')
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const processing = ref(false)
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const error = ref('')
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const resultTxid = ref('')
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const resultHash = ref('')
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const resultArk = ref('')
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const ecashToken = ref('')
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// "Send all funds" — sweeps the whole on-chain balance (explicit on-chain tab only)
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const sendAll = ref(false)
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const onchainBalance = ref<number | null>(null)
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const isSweep = computed(() => sendMethod.value === 'onchain' && sendAll.value)
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function toggleSendAll() {
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sendAll.value = !sendAll.value
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if (sendAll.value && onchainBalance.value === null) {
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rpcClient.call<{ balance_sats: number }>({ method: 'lnd.getinfo', timeout: 5000 })
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.then((res) => { onchainBalance.value = res.balance_sats || 0 })
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.catch(() => { /* balance hint is best-effort */ })
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}
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}
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// Leaving the on-chain tab disarms the sweep so it can never apply elsewhere
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watch(sendMethod, (m) => { if (m !== 'onchain') sendAll.value = false })
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// Invoice-first lightning UX: a pasted invoice that fixes its amount locks
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// the amount field (auto-filled, "set by invoice"); zero-amount invoices
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// leave it editable. Clearing/leaving lightning unlocks again.
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const pastedInvoiceAmount = computed<number | null>(() => {
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if (effectiveMethod.value !== 'lightning') return null
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const d = dest.value.trim()
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if (!d) return null
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return parseBolt11AmountSats(d.toLowerCase().startsWith('lightning:') ? d.slice(10) : d)
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})
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watch(pastedInvoiceAmount, (fixed, prev) => {
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if (fixed !== null) amount.value = fixed
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// Swapping a fixed-amount invoice for a zero-amount one: don't silently
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// keep the previous invoice's sats — make the user type the new amount.
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else if (prev !== null) amount.value = 0
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})
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// Clipboard read needs a secure context (or the companion bridge); hide the
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// button where it can't work — the textarea still accepts a manual paste.
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const canReadClipboard = typeof navigator !== 'undefined' && !!navigator.clipboard?.readText
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async function pasteFromClipboard() {
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try {
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const text = (await navigator.clipboard.readText()).trim()
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if (text) dest.value = text
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} catch {
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// Permission denied — user can long-press/Ctrl+V into the field instead.
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}
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}
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const effectiveMethod = computed(() => {
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if (sendMethod.value !== 'auto') return sendMethod.value
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const amt = amount.value || 0
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if (amt <= 0) return 'lightning'
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if (amt < 1000) return 'ecash'
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if (amt > 500000) return 'onchain'
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return 'lightning'
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})
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// --- Second-step confirmation (parity with the scan flow): review shows the
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// --- balance reduction before anything is sent or any token is minted.
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const confirming = ref(false)
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const confirmBalance = ref<number | null>(null)
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const invoiceAmountSats = ref<number | null>(null)
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const methodLabel = computed(() => ({
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auto: 'Auto', lightning: 'Lightning', onchain: 'On-chain',
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ecash: 'Cashu', fedimint: 'Fedimint', ark: 'Ark',
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}[effectiveMethod.value]))
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const methodColor = computed(() => ({
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auto: 'text-white/80', lightning: 'text-yellow-400', onchain: 'text-orange-500',
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ecash: 'text-purple-400', fedimint: 'text-blue-400', ark: 'text-teal-400',
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}[effectiveMethod.value]))
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const destDisplay = computed(() => {
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const d = dest.value.trim()
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return d.length > 64 ? `${d.slice(0, 38)}…${d.slice(-18)}` : d
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})
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/** Amount encoded in a BOLT11 invoice's human-readable part, in sats (null = zero-amount). */
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function parseBolt11AmountSats(invoice: string): number | null {
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const m = /^ln(?:bcrt|bc|tb)(\d+)?([munp])?1/.exec(invoice.toLowerCase())
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if (!m || !m[1]) return null
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const value = Number(m[1])
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const mult = { m: 1e-3, u: 1e-6, n: 1e-9, p: 1e-12 }[m[2] as 'm' | 'u' | 'n' | 'p'] ?? 1
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return Math.round(value * mult * 1e8)
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}
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// An invoice-fixed amount always wins over the typed one; a sweep is priced
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// at the whole balance.
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const confirmAmount = computed(() => {
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if (isSweep.value) return confirmBalance.value ?? 0
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if (effectiveMethod.value === 'lightning' && invoiceAmountSats.value !== null) return invoiceAmountSats.value
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return amount.value > 0 ? Math.floor(amount.value) : 0
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})
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const balanceAfter = computed(() => (confirmBalance.value ?? 0) - confirmAmount.value)
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const insufficient = computed(() =>
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confirmBalance.value !== null && confirmAmount.value > confirmBalance.value && !isSweep.value
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)
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async function loadConfirmBalance() {
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confirmBalance.value = null
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try {
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if (effectiveMethod.value === 'ecash') {
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const res = await rpcClient.call<{ balance_sats: number }>({ method: 'wallet.ecash-balance' })
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confirmBalance.value = res.balance_sats ?? 0
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} else if (effectiveMethod.value === 'fedimint') {
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const res = await rpcClient.call<{ balance_sats: number }>({ method: 'wallet.fedimint-balance' })
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confirmBalance.value = res.balance_sats ?? 0
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} else {
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const res = await rpcClient.call<{ balance_sats: number; channel_balance_sats: number }>({ method: 'lnd.getinfo' })
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confirmBalance.value = effectiveMethod.value === 'onchain'
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? (res.balance_sats ?? 0)
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: (res.channel_balance_sats ?? 0)
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}
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} catch {
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confirmBalance.value = null // balance preview is best-effort; send still guarded server-side
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}
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}
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function review() {
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error.value = ''
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const method = effectiveMethod.value
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const d = dest.value.trim()
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if (method === 'lightning') {
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if (!d) { error.value = t('web5.pasteInvoice'); return }
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invoiceAmountSats.value = parseBolt11AmountSats(d)
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} else {
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invoiceAmountSats.value = null
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if (method === 'ark' && !d) { error.value = 'Enter an Ark address, invoice or lightning address'; return }
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if (method === 'onchain' && !d) { error.value = t('web5.enterBitcoinAddress'); return }
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}
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if (!isSweep.value && confirmAmount.value <= 0 && invoiceAmountSats.value === null) {
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error.value = t('sendBitcoin.amountSats'); return
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}
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void loadConfirmBalance()
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confirming.value = true
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}
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function close() {
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error.value = ''
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resultTxid.value = ''
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resultHash.value = ''
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resultArk.value = ''
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ecashToken.value = ''
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confirming.value = false
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emit('close')
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}
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function copyText(text: string) {
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navigator.clipboard.writeText(text).catch(() => {})
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}
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const tokenQrCanvas = ref<HTMLCanvasElement | null>(null)
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watch(ecashToken, async (token) => {
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if (!token) return
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await nextTick()
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if (!tokenQrCanvas.value) return
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try {
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const QRCode = await import('qrcode')
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await QRCode.toCanvas(tokenQrCanvas.value, token, { width: 220, margin: 1 })
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} catch { /* QR is a convenience — the copyable text is authoritative */ }
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})
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async function send() {
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if (processing.value) return
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// Zero typed amount is fine when the invoice fixes the amount or we sweep.
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if (!amount.value && !isSweep.value && invoiceAmountSats.value === null) return
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processing.value = true
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error.value = ''
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ecashToken.value = ''
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resultTxid.value = ''
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resultHash.value = ''
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resultArk.value = ''
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const method = effectiveMethod.value
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try {
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if (method === 'ark') {
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if (!dest.value.trim()) { error.value = 'Enter an Ark address, invoice or lightning address'; return }
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await rpcClient.call<{ sent: boolean }>({
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method: 'wallet.ark-send',
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params: { destination: dest.value.trim(), amount_sats: amount.value },
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// Ark sends can wait on round participation.
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timeout: 130000,
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})
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resultArk.value = `Sent ${amount.value.toLocaleString()} sats via Ark`
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} else if (method === 'ecash') {
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const res = await rpcClient.call<{ token: string }>({
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method: 'wallet.ecash-send',
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params: { amount_sats: amount.value },
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})
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ecashToken.value = res.token
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} else if (method === 'fedimint') {
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const res = await rpcClient.call<{ token: string }>({
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method: 'wallet.fedimint-send',
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params: { amount_sats: amount.value },
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timeout: 60000,
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})
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ecashToken.value = res.token
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} else if (method === 'lightning') {
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if (!dest.value.trim()) { error.value = t('web5.pasteInvoice'); return }
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const res = await rpcClient.call<{ payment_hash: string }>({
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method: 'lnd.payinvoice',
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params: { payment_request: dest.value.trim() },
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})
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resultHash.value = res.payment_hash
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} else {
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if (!dest.value.trim()) { error.value = t('web5.enterBitcoinAddress'); return }
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const res = await rpcClient.call<{ txid: string }>({
|
||
method: 'lnd.sendcoins',
|
||
params: isSweep.value
|
||
? { addr: dest.value.trim(), send_all: true }
|
||
: { addr: dest.value.trim(), amount: amount.value },
|
||
})
|
||
resultTxid.value = res.txid
|
||
}
|
||
emit('sent')
|
||
// Back to the form pane so the success/token panes are visible.
|
||
confirming.value = false
|
||
} catch (err: unknown) {
|
||
error.value = err instanceof Error ? err.message : t('web5.sendFailed')
|
||
} finally {
|
||
processing.value = false
|
||
}
|
||
}
|
||
</script>
|