lamassu-server/packages/server/bin/lamassu-btc-bumpfee
2025-05-12 10:52:54 +01:00

47 lines
No EOL
1.3 KiB
JavaScript

#!/usr/bin/env node
const inquirer = require('inquirer')
const bitcoind = require('../lib/plugins/wallet/bitcoind/bitcoind')
const BN = require('../lib/bn')
const mempool = require('../lib/blockexplorers/mempool.space')
const txId = process.argv[2]
if (!txId) {
console.error('Please provide a BTC transaction hash as input.')
process.exit(1)
}
const bumpTransactionFee = async (txId) => {
const txData = await bitcoind.fetch('gettransaction', [txId, true, true])
const fee = new BN(txData.fee).abs().shiftedBy(8).decimalPlaces(0)
const size = txData.decoded.vsize
const satPerVb = fee.div(size)
console.log(`Current fee: ${satPerVb.toFixed(2).toString()} sat/vB`)
const recommendedFees = await mempool.getSatBEstimateFees()
console.log('Recommended fees (sat/vB):', recommendedFees)
const { selectedFee } = await inquirer.prompt([
{
type: 'list',
name: 'selectedFee',
message: 'Select a fee higher than the current one:',
choices: Object.entries(recommendedFees)
.filter(([_, value]) => satPerVb.lt(value))
.map(([key, value]) => ({name: `${key}: ${value} sat/vB`, value})),
},
])
const { txid } = await bitcoind.fetch('bumpfee', [txId, {fee_rate: selectedFee}])
console.log(`
Fee bumped to ${selectedFee.toFixed(2)} sat/vB
Transaction ID: ${txid}
`)
}
bumpTransactionFee(txId)