const bip39 = require("bip39");
const bip32 = require("ripple-bip32");
const ripple = require('ripplelib')
const sign = require('ripple-sign-keypairs')
// NOTE! ripplelib isn't working in Safari 10.1 (wrong public key generated from private key) - use
// ripple-keypairs, as displayed in:
// > https://runkit.com/wietsewind/hex-private-key-to-address-with-ripple-lib
// > https://runkit.com/wietsewind/mnemonic-with-ripple-keypairs-w-o-ripplelib
var mnemonic = 'novel matter final only nice cheese address cradle civil crash great flame struggle consider crowd surface purpose saddle mango endless mixed trial tape wrap'
// Or generate:
// mnemonic = bip39.generateMnemonic()
console.log('mnemonic: ' + mnemonic)
const seed = bip39.mnemonicToSeed(mnemonic)
const m = bip32.fromSeedBuffer(seed)
const keyPair = m.derivePath("m/44'/144'/0'/0/0").keyPair.getKeyPairs()
const key = ripple.KeyPair.from_json(keyPair.privateKey.substring(2))
console.log('privateKey: ' + keyPair.privateKey)
console.log('privateKeyWif: ' + key.to_pri_string()) // to_wif
console.log('publicKey: ' + keyPair.publicKey)
console.log('address: ' + key.to_address_string())
// Now sign a transaction...
var tx = {
TransactionType: 'Payment',
Account: key.to_address_string(),
Fee : (0.000012 * 1000 * 1000) + '',
Destination: 'rPEPPER7kfTD9w2To4CQk6UCfuHM9c6GDY',
DestinationTag : 2,
Amount: (1 * 1000 * 1000) + '',
Sequence: 0
}
var txJSON = JSON.stringify(tx)
var txSign = sign(txJSON, keyPair)
return txSign
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