5448a620a9
Move 9 development/testing .mjs scripts out of the package root into dev/ to keep the published package clean. Update relative imports and dev.sh reference. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
84 lines
2.1 KiB
JavaScript
84 lines
2.1 KiB
JavaScript
/**
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* Generate an ndebit string for ShockWallet to scan
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*
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* Usage: node generate-ndebit.mjs [pointer]
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*
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* The ndebit allows ShockWallet to send an invoice that Lightning.Pub will pay.
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* This is the LNURL-withdraw equivalent for CLINK.
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*/
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import { bech32 } from '@scure/base'
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const LIGHTNING_PUB_PUBKEY =
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process.env.LIGHTNING_PUB_PUBKEY ||
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'4a72e400a254bf74a70cc711ab97e461b8d4fd9738b1ac3b5194cdeb3192ab91'
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const RELAY_URL = process.env.NOSTR_RELAY_URL || 'wss://strfry.shock.network'
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const POINTER = process.argv[2] || 'atm-cashin-' + Date.now()
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function hexToBytes(hex) {
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const bytes = new Uint8Array(hex.length / 2)
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for (let i = 0; i < hex.length; i += 2) {
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bytes[i / 2] = parseInt(hex.slice(i, i + 2), 16)
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}
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return bytes
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}
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function encodeTLV(tlv) {
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const entries = []
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Object.entries(tlv)
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.reverse()
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.forEach(([t, vs]) => {
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vs.forEach((v) => {
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const entry = new Uint8Array(v.length + 2)
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entry.set([parseInt(t)], 0)
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entry.set([v.length], 1)
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entry.set(v, 2)
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entries.push(entry)
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})
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})
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// Concatenate all entries
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const totalLength = entries.reduce((sum, e) => sum + e.length, 0)
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const result = new Uint8Array(totalLength)
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let offset = 0
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for (const entry of entries) {
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result.set(entry, offset)
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offset += entry.length
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}
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return result
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}
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function ndebitEncode(debit) {
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const encoder = new TextEncoder()
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const tlv = {
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0: [hexToBytes(debit.pubkey)],
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1: [encoder.encode(debit.relay)],
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}
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if (debit.pointer) {
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tlv[2] = [encoder.encode(debit.pointer)]
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}
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const data = encodeTLV(tlv)
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const words = bech32.toWords(data)
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return bech32.encode('ndebit', words, 5000)
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}
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// Generate ndebit
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const ndebit = ndebitEncode({
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pubkey: LIGHTNING_PUB_PUBKEY,
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relay: RELAY_URL,
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pointer: POINTER,
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})
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console.log('=== NDEBIT for ShockWallet ===')
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console.log('')
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console.log('Pubkey:', LIGHTNING_PUB_PUBKEY)
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console.log('Relay:', RELAY_URL)
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console.log('Pointer:', POINTER)
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console.log('')
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console.log('ndebit string:')
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console.log(ndebit)
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console.log('')
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console.log('ShockWallet should scan this QR code to receive sats from the ATM.')
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