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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -168,6 +168,9 @@ export const WALLET_FIELDS = gql` | |
| apiKeyRecv | ||
| currencyRecv | ||
| } | ||
| ... on WalletBolt12 { | ||
| offer | ||
| } | ||
| } | ||
| } | ||
| ` | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| const ALPHABET = 'qpzry9x8gf2tvdw0s3jn54khce6mua7l' | ||
|
|
||
| export function decode (str) { | ||
| const b5s = [] | ||
| for (const char of str) { | ||
| const i = ALPHABET.indexOf(char) | ||
| if (i === -1) throw new Error('Invalid bech32 character') | ||
| b5s.push(i) | ||
| } | ||
| const b8s = Buffer.from(converBits(b5s, 5, 8, false)) | ||
| return b8s | ||
| } | ||
|
|
||
| export function encode (b8s) { | ||
| const b5s = converBits(b8s, 8, 5, true) | ||
| const str = [] | ||
| for (const b5 of b5s) str.push(ALPHABET[b5]) | ||
| return str.join('') | ||
| } | ||
|
|
||
| function converBits (data, frombits, tobits, pad) { | ||
| let acc = 0 | ||
| let bits = 0 | ||
| const ret = [] | ||
| const maxv = (1 << tobits) - 1 | ||
| for (let p = 0; p < data.length; ++p) { | ||
| const value = data[p] | ||
| if (value < 0 || (value >> frombits) !== 0) { | ||
| throw new RangeError('input value is outside of range') | ||
| } | ||
| acc = (acc << frombits) | value | ||
| bits += frombits | ||
| while (bits >= tobits) { | ||
| bits -= tobits | ||
| ret.push((acc >> bits) & maxv) | ||
| } | ||
| } | ||
| if (pad) { | ||
| if (bits > 0) { | ||
| ret.push((acc << (tobits - bits)) & maxv) | ||
| } | ||
| } else if (bits >= frombits || ((acc << (tobits - bits)) & maxv)) { | ||
| throw new RangeError('could not convert bits') | ||
| } | ||
| return ret | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* eslint-disable camelcase */ | ||
|
|
||
| import { payViaPaymentRequest, parsePaymentRequest } from 'ln-service' | ||
| import { estimateRouteFee } from '@/api/lnd' | ||
|
|
||
| import { payViaBolt12PaymentRequest, parseBolt12Request, estimateBolt12RouteFee } from '@/lib/lndk' | ||
|
|
||
| export function isBolt11 (request) { | ||
| return request.startsWith('lnbc') || request.startsWith('lntb') || request.startsWith('lntbs') || request.startsWith('lnbcrt') | ||
| } | ||
|
|
||
| export function parseBolt11 ({ request }) { | ||
| if (!isBolt11(request)) { | ||
| throw new Error('Not a bolt11 invoice') | ||
| } | ||
| return parsePaymentRequest({ request }) | ||
| } | ||
|
|
||
| export function payBolt11 ({ lnd, request, max_fee, ...args }) { | ||
| if (!isBolt11(request)) { | ||
| throw new Error('Not a bolt11 invoice') | ||
| } | ||
| return payViaPaymentRequest({ | ||
| lnd, | ||
| request, | ||
| max_fee, | ||
| ...args | ||
| }) | ||
| } | ||
|
|
||
| export function isBolt12Offer (invoice) { | ||
| return invoice.startsWith('lno1') | ||
| } | ||
|
|
||
| export function isBolt12Invoice (invoice) { | ||
| console.log('isBolt12Invoice', invoice) | ||
| console.trace() | ||
| return invoice.startsWith('lni1') | ||
| } | ||
|
|
||
| export async function payBolt12 ({ lnd, request: invoice, max_fee }) { | ||
| if (!isBolt12Invoice(invoice)) { | ||
| throw new Error('Not a bolt12 invoice') | ||
| } | ||
| if (!invoice) throw new Error('No invoice in bolt12, please use prefetchBolt12Invoice') | ||
| return await payViaBolt12PaymentRequest({ lnd, request: invoice, max_fee }) | ||
| } | ||
|
|
||
| export function parseBolt12 ({ lnd, request: invoice }) { | ||
| if (!isBolt12Invoice(invoice)) { | ||
| throw new Error('Not a bolt12 request') | ||
| } | ||
| return parseBolt12Request({ lnd, request: invoice }) | ||
| } | ||
|
|
||
| export async function payInvoice ({ lnd, request: invoice, max_fee, ...args }) { | ||
| if (isBolt12Invoice(invoice)) { | ||
| return await payBolt12({ lnd, request: invoice, max_fee, ...args }) | ||
| } else { | ||
| return await payBolt11({ lnd, request: invoice, max_fee, ...args }) | ||
| } | ||
| } | ||
|
|
||
| export async function parseInvoice ({ lnd, request }) { | ||
| if (isBolt12Invoice(request)) { | ||
| return await parseBolt12({ lnd, request }) | ||
| } else { | ||
| return await parseBolt11({ request }) | ||
| } | ||
| } | ||
|
|
||
| export async function estimateFees ({ lnd, destination, tokens, mtokens, request, timeout }) { | ||
| if (isBolt12Invoice(request)) { | ||
| return await estimateBolt12RouteFee({ lnd, destination, tokens, mtokens, request, timeout }) | ||
| } else { | ||
| return await estimateRouteFee({ lnd, destination, tokens, request, mtokens, timeout }) | ||
| } | ||
| } |
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