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import { TProfile } from '@/types' |
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import { Invoice } from '@getalby/lightning-tools' |
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import { isEmail } from './utils' |
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export function getAmountFromInvoice(invoice: string): number { |
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const _invoice = new Invoice({ pr: invoice }) // TODO: need to validate |
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return _invoice.satoshi |
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} |
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export function formatAmount(amount: number) { |
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if (amount < 1000) return amount |
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if (amount < 1000000) return `${Math.round(amount / 100) / 10}k` |
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return `${Math.round(amount / 100000) / 10}M` |
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} |
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const SAT_GROUP_SEPARATOR = '\u2009' |
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/** Max sats digits in the zap amount field (9 999 999). */ |
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export const MAX_ZAP_SATS = 9_999_999 |
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/** Leading digit group + BTC hint styling above this amount (exclusive). */ |
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export const ZAP_SATS_HIGHLIGHT_ABOVE = 999_999 |
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/** Group sats in threes with a thin space (e.g. 210 000). */ |
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export function formatSatsGrouped(amount: number): string { |
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const n = clampZapSats(amount) |
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return n.toLocaleString('en-US').replace(/,/g, SAT_GROUP_SEPARATOR) |
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} |
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export function clampZapSats(amount: number): number { |
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if (!Number.isFinite(amount) || amount < 0) return 0 |
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return Math.min(MAX_ZAP_SATS, Math.floor(amount)) |
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} |
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/** True when amount is above 999 999 sats (≥ 1 000 000). */ |
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export function shouldHighlightLeadingSatsGroups(amount: number): boolean { |
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return clampZapSats(amount) > ZAP_SATS_HIGHLIGHT_ABOVE |
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} |
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/** Digit groups for display (e.g. ["210", "000"]). */ |
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export function splitSatsGroupedParts(amount: number): string[] { |
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const formatted = formatSatsGrouped(amount) |
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if (!formatted) return ['0'] |
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return formatted.split(SAT_GROUP_SEPARATOR) |
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} |
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/** Parse user input that may contain digit grouping spaces. */ |
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export function parseGroupedIntegerInput(raw: string): number { |
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const digits = raw.replace(/\D/g, '').slice(0, 7) |
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if (digits === '') return 0 |
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const num = parseInt(digits, 10) |
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return Number.isFinite(num) ? clampZapSats(num) : 0 |
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} |
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export function getLightningAddressFromProfile(profile: TProfile) { |
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if (profile.lightningAddress?.trim()) return profile.lightningAddress.trim() |
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if (profile.lightningAddressList?.length) { |
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const first = profile.lightningAddressList.find((a) => a?.trim()) |
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if (first) return first.trim() |
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} |
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// Some clients have incorrectly filled in the positions for lud06 and lud16 |
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const { lud16: a, lud06: b } = profile |
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let lud16: string | undefined |
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let lud06: string | undefined |
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if (a && isEmail(a)) { |
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lud16 = a |
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} else if (b && isEmail(b)) { |
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lud16 = b |
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} else if (a?.trim() && a.includes('.')) { |
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lud16 = a.trim() |
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} else if (b && b.startsWith('lnurl')) { |
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lud06 = b |
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} else if (a && a.startsWith('lnurl')) { |
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lud06 = a |
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} |
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return lud16 || lud06 || undefined |
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}
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