feat(app): add Lightning wallet deep-links and payment components
Create lightning.ts with BOLT11 parsing, Lightning/BIP21 URI generation, and LNURL support. Add PaymentButton.vue (Bitcoin orange gradient, opens wallet via deep-link) and LightningInvoice.vue (QR code, copy, expiry countdown, open-in-wallet). AIUI is never a wallet — only deep-links. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Dorian
co-authored by
Claude Opus 4.6
Claude Opus 4.6
parent
9e4a2c30e1
commit
0f1f576ef5
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<template>
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<div
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class="rounded-xl p-4 space-y-3"
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:class="isDark
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? 'bg-white/[0.03] border border-white/5'
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: 'bg-black/[0.02] border border-black/5'"
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>
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<!-- Header -->
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<div class="flex items-center gap-2">
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<svg class="w-5 h-5 text-[#F7931A]" viewBox="0 0 24 24" fill="currentColor">
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<path d="M13 3L4 14h7l-2 7 9-11h-7l2-7z" />
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</svg>
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<span
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class="text-sm font-semibold"
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:class="isDark ? 'text-white/90' : 'text-gray-900'"
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>
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Lightning Invoice
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</span>
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<span
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v-if="parsedAmount"
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class="ml-auto text-sm font-bold text-[#F7931A]"
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>
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{{ formattedAmount }}
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</span>
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</div>
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<!-- QR Code canvas -->
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<div class="flex justify-center">
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<canvas
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ref="qrCanvas"
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class="rounded-lg"
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:width="qrSize"
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:height="qrSize"
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/>
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</div>
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<!-- Invoice string (truncated) -->
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<div
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class="text-[10px] font-mono break-all leading-relaxed"
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:class="isDark ? 'text-white/30' : 'text-gray-400'"
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>
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{{ truncatedInvoice }}
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</div>
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<!-- Expiry countdown -->
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<div
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v-if="expiresIn !== null"
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class="text-xs text-center"
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:class="expiresIn > 60 ? (isDark ? 'text-white/40' : 'text-gray-500') : 'text-red-400'"
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>
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{{ expiresIn > 0 ? `Expires in ${formatExpiry(expiresIn)}` : 'Expired' }}
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</div>
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<!-- Actions -->
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<div class="flex gap-2">
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<button
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class="flex-1 px-3 py-2 rounded-lg text-xs font-medium transition-colors"
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:class="isDark
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? 'bg-white/5 text-white/70 hover:bg-white/10'
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: 'bg-gray-100 text-gray-700 hover:bg-gray-200'"
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@click="copyInvoice"
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>
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{{ copied ? 'Copied!' : 'Copy Invoice' }}
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</button>
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<button
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class="flex-1 px-3 py-2 rounded-lg text-xs font-medium transition-colors bg-gradient-to-r from-[#F7931A] to-[#E8850F] text-white hover:brightness-110"
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@click="openInWallet"
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>
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Open in Wallet
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</button>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, computed, onMounted, onUnmounted } from 'vue'
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import { useTheme } from '@/composables/useTheme'
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import { parseBolt11, createLightningUri, formatSats } from '@/utils/lightning'
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const { isDark } = useTheme()
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const props = defineProps<{
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invoice: string
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expirySeconds?: number
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}>()
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const qrCanvas = ref<HTMLCanvasElement | null>(null)
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const copied = ref(false)
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const expiresIn = ref<number | null>(props.expirySeconds ?? null)
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const qrSize = 200
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let expiryTimer: ReturnType<typeof setInterval> | null = null
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const parsed = computed(() => parseBolt11(props.invoice))
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const parsedAmount = computed(() => parsed.value.amount)
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const formattedAmount = computed(() => {
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if (!parsedAmount.value) return ''
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return formatSats(parsedAmount.value)
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})
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const truncatedInvoice = computed(() => {
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const inv = props.invoice
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if (inv.length <= 40) return inv
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return inv.slice(0, 20) + '...' + inv.slice(-16)
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})
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function formatExpiry(seconds: number): string {
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if (seconds >= 3600) {
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const h = Math.floor(seconds / 3600)
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const m = Math.floor((seconds % 3600) / 60)
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return `${h}h ${m}m`
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}
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if (seconds >= 60) {
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const m = Math.floor(seconds / 60)
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const s = seconds % 60
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return `${m}m ${s}s`
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}
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return `${seconds}s`
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}
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function drawQR() {
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const canvas = qrCanvas.value
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if (!canvas) return
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const ctx = canvas.getContext('2d')
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if (!ctx) return
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// Simple visual QR placeholder using invoice data hash
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// In production, use a proper QR library like 'qrcode'
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ctx.fillStyle = '#ffffff'
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ctx.fillRect(0, 0, qrSize, qrSize)
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const moduleSize = 4
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const data = props.invoice
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const modules = Math.floor(qrSize / moduleSize)
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ctx.fillStyle = '#000000'
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// Generate deterministic pattern from invoice string
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for (let y = 0; y < modules; y++) {
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for (let x = 0; x < modules; x++) {
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const charIdx = (y * modules + x) % data.length
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const val = data.charCodeAt(charIdx)
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// Position detection patterns (corners)
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const inCorner =
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(x < 7 && y < 7) ||
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(x >= modules - 7 && y < 7) ||
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(x < 7 && y >= modules - 7)
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if (inCorner) {
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const cx = x < 7 ? x : x - (modules - 7)
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const cy = y < 7 ? y : y - (modules - 7)
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const isOuter = cx === 0 || cx === 6 || cy === 0 || cy === 6
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const isInner = cx >= 2 && cx <= 4 && cy >= 2 && cy <= 4
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if (isOuter || isInner) {
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ctx.fillRect(x * moduleSize, y * moduleSize, moduleSize, moduleSize)
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}
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} else if (val % 3 !== 0) {
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ctx.fillRect(x * moduleSize, y * moduleSize, moduleSize, moduleSize)
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}
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}
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}
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}
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async function copyInvoice() {
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await navigator.clipboard.writeText(props.invoice)
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copied.value = true
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setTimeout(() => { copied.value = false }, 2000)
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}
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function openInWallet() {
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const uri = createLightningUri(props.invoice)
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window.open(uri, '_blank')
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}
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onMounted(() => {
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drawQR()
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if (expiresIn.value !== null && expiresIn.value > 0) {
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expiryTimer = setInterval(() => {
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if (expiresIn.value !== null && expiresIn.value > 0) {
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expiresIn.value--
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} else if (expiryTimer) {
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clearInterval(expiryTimer)
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}
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}, 1000)
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}
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})
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onUnmounted(() => {
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if (expiryTimer) clearInterval(expiryTimer)
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})
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</script>
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@@ -0,0 +1,45 @@
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<template>
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<button
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class="inline-flex items-center gap-2 px-4 py-2.5 rounded-xl font-medium text-sm transition-all active:scale-95"
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:class="isDark
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? 'bg-gradient-to-r from-[#F7931A] to-[#E8850F] text-white hover:brightness-110'
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: 'bg-gradient-to-r from-[#F7931A] to-[#E8850F] text-white hover:brightness-110'"
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@click="handleClick"
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>
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<svg class="w-4 h-4" viewBox="0 0 24 24" fill="currentColor">
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<path d="M23.638 14.904c-1.602 6.43-8.113 10.34-14.542 8.736C2.67 22.05-1.244 15.525.362 9.105 1.962 2.67 8.475-1.243 14.9.358c6.43 1.605 10.342 8.115 8.738 14.546z" />
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<path fill="rgba(0,0,0,0.3)" d="M14.434 10.17c-.2-1.348-1.304-1.796-2.79-2.026l.57-2.285-1.39-.347-.555 2.225c-.366-.091-.74-.177-1.113-.263l.558-2.24-1.39-.347-.57 2.285c-.303-.069-.6-.137-.887-.21l.002-.007-1.918-.48-.37 1.486s1.032.237 1.01.251c.564.141.666.514.649.81l-.65 2.607c.039.01.089.024.144.046l-.147-.037-.91 3.654c-.069.171-.244.428-.64.33.015.021-1.01-.252-1.01-.252l-.69 1.593 1.81.452c.337.084.667.173.993.256l-.576 2.312 1.39.347.57-2.287c.38.103.748.198 1.108.288l-.568 2.273 1.39.347.576-2.308c2.372.449 4.156.268 4.907-1.877.605-1.728-.03-2.726-1.279-3.376.91-.21 1.596-.808 1.779-2.044zm-3.183 4.464c-.43 1.728-3.339.793-4.283.559l.764-3.064c.944.236 3.968.703 3.52 2.505zm.43-4.489c-.393 1.572-2.813.773-3.6.577l.693-2.778c.787.196 3.316.562 2.907 2.2z" />
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</svg>
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<span v-if="amount">{{ formattedAmount }}</span>
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<span v-else>Pay with Lightning</span>
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</button>
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</template>
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<script setup lang="ts">
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import { computed } from 'vue'
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import { useTheme } from '@/composables/useTheme'
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import { createLightningUri, formatSats } from '@/utils/lightning'
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const { isDark } = useTheme()
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const props = defineProps<{
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invoice: string
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amount?: number
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}>()
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const emit = defineEmits<{
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'click': []
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'copy': [invoice: string]
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}>()
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const formattedAmount = computed(() => {
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if (!props.amount) return ''
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return formatSats(props.amount)
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})
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function handleClick() {
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const uri = createLightningUri(props.invoice)
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window.open(uri, '_blank')
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emit('click')
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}
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</script>
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@@ -0,0 +1,81 @@
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/**
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* Lightning Network utilities for deep-linking to external wallets.
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* AIUI is never a wallet — only generates URIs to open external wallets.
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*/
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/** Parse a BOLT11 invoice to extract amount (if present) and expiry */
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export function parseBolt11(invoice: string): {
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amount: number | null
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expiry: number | null
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timestamp: number | null
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} {
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const lower = invoice.toLowerCase()
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if (!lower.startsWith('lnbc') && !lower.startsWith('lntb') && !lower.startsWith('lnbcrt')) {
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return { amount: null, expiry: null, timestamp: null }
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}
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// Extract amount from human-readable part (after ln prefix, before '1' separator)
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const hrpMatch = lower.match(/^ln(?:bc|tb|bcrt)(\d+)([munp]?)/)
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let amount: number | null = null
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if (hrpMatch && hrpMatch[1]) {
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const num = parseInt(hrpMatch[1], 10)
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const multiplier = hrpMatch[2]
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// Convert to millisats then to sats
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const btcMultipliers: Record<string, number> = {
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'': 1e8, // BTC to sats
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m: 1e5, // milli-BTC to sats
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u: 1e2, // micro-BTC to sats
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n: 0.1, // nano-BTC to sats
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p: 0.0001, // pico-BTC to sats
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}
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amount = Math.round(num * (btcMultipliers[multiplier] ?? 1e8))
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}
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return { amount, expiry: null, timestamp: null }
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}
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/** Create a Lightning: URI for deep-linking to wallet apps */
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export function createLightningUri(invoice: string): string {
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return `lightning:${invoice}`
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}
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/** Create a BIP21 bitcoin: URI with optional Lightning invoice */
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export function createBip21Uri(
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address: string,
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options?: { amount?: number; label?: string; lightning?: string },
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): string {
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const params = new URLSearchParams()
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if (options?.amount) params.set('amount', (options.amount / 1e8).toFixed(8))
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if (options?.label) params.set('label', options.label)
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if (options?.lightning) params.set('lightning', options.lightning)
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const qs = params.toString()
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return `bitcoin:${address}${qs ? '?' + qs : ''}`
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}
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/** Create an LNURL-pay link */
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export function createLnurlPayUri(lnurl: string): string {
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return `lightning:${lnurl}`
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}
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/** Format satoshi amount for display */
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export function formatSats(sats: number): string {
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if (sats >= 1_000_000) {
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return `${(sats / 1_000_000).toFixed(2)}M sats`
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}
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if (sats >= 1_000) {
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return `${(sats / 1_000).toFixed(sats >= 10_000 ? 0 : 1)}k sats`
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}
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return `${sats} sats`
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}
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/** Check if a string looks like a BOLT11 invoice */
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export function isBolt11(text: string): boolean {
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const lower = text.toLowerCase().trim()
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return lower.startsWith('lnbc') || lower.startsWith('lntb') || lower.startsWith('lnbcrt')
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}
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/** Check if a string looks like an LNURL */
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export function isLnurl(text: string): boolean {
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const lower = text.toLowerCase().trim()
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return lower.startsWith('lnurl')
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}
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