lamassu/lamassu-server
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feat: compute main address PK

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José Oliveira 2021-10-09 23:24:04 +01:00 • committed by Josh Harvey
parent f05058b587
commit e224a75290
1 changed files with 6 additions and 9 deletions
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15
bin/lamassu-eth-recovery
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@ -12,6 +12,7 @@ const fs = pify(require('fs'))
const options = require('../lib/options') const options = require('../lib/options')
const defaultPrefixPath = "m/44'/60'/1'/0'" const defaultPrefixPath = "m/44'/60'/1'/0'"
const paymentPrefixPath = "m/44'/60'/0'/0'"
const address = process.argv[2] const address = process.argv[2]
@ -29,7 +30,8 @@ function run (address) {
Promise.all([fetchMnemonic(), searchForHdIndex(address)]) Promise.all([fetchMnemonic(), searchForHdIndex(address)])
.then(([mnemonic, hdIndex]) => { .then(([mnemonic, hdIndex]) => {
try { try {
console.log(`Private key: `, defaultHdNode(mnemonic).deriveChild(hdIndex).getWallet().getPrivateKeyString()) const prefix = !_.isNil(hdIndex) ? defaultPrefixPath : paymentPrefixPath
console.log(`Private key: `, defaultHdNode(mnemonic, prefix).deriveChild(hdIndex).getWallet().getPrivateKeyString())
process.exit(0) process.exit(0)
} catch (err) { } catch (err) {
console.error(`Error while retrieving private key!`) console.error(`Error while retrieving private key!`)
@ -41,12 +43,7 @@ function run (address) {
function searchForHdIndex (address) { function searchForHdIndex (address) {
const sql = `SELECT hd_index FROM cash_out_txs WHERE to_address = $1` const sql = `SELECT hd_index FROM cash_out_txs WHERE to_address = $1`
return db.oneOrNone(sql, [address]) return db.oneOrNone(sql, [address])
.then(result => { .then(result => _.get('hd_index', result))
const index = _.get('hd_index', result)
if (!_.isNil(index)) return index
console.error(`Error: Unable to find the HD index for this given address: ${address}`)
process.exit(3)
})
} }
function fetchMnemonic () { function fetchMnemonic () {
@ -59,10 +56,10 @@ function computeSeed (seed) {
return hkdf(masterSeed, 32, { salt: 'lamassu-server-salt', info: 'wallet-seed' }) return hkdf(masterSeed, 32, { salt: 'lamassu-server-salt', info: 'wallet-seed' })
} }
function defaultHdNode (masterSeed) { function defaultHdNode (masterSeed, prefix) {
if (!masterSeed) throw new Error('No master seed!') if (!masterSeed) throw new Error('No master seed!')
const key = hdkey.fromMasterSeed(masterSeed) const key = hdkey.fromMasterSeed(masterSeed)
return key.derivePath(defaultPrefixPath) return key.derivePath(prefix)
} }
run(address) run(address)