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I have placed together a raw tx hex but when it’s unable to be broadcasted as I keep getting an error below
sendrawtransaction RPC error: {"code":-25,"message":"bad-txns-inputs-missingorspent"}
I then decoded the tx hex using https://live.blockcypher.com/btc/decodetx/ to see that I seem to be missing the Witness field as I am using native segwit addresses:
{
"addresses": [
"bc1qj3rjxzhlqm6fqesd5fwphjnf457zkww3s5qrv5",
"bc1qjp3cch0hdvdr0hy99cs76kl9kekmuxv3k9nr6l"
],
"block_height": -1,
"block_index": -1,
"confirmations": 0,
"double_spend": false,
"fees": 200,
"hash": "88420211f5ea53174fc6a708c00ca2e840d687591573d0ecd2464fae20d139a7",
"inputs": [
{
"addresses": [
"bc1qj3rjxzhlqm6fqesd5fwphjnf457zkww3s5qrv5"
],
"age": 696993,
"output_index": 0,
"output_value": 60200,
"prev_hash": "74e24a2d50ba64abc099126c1c208b5f7156e3ad515b86f3edcca3f3d4291f66",
"script": "4730440220516e15b6354f17e3f02711107624005e6ccd26cf61ef21b35e91315dfbd33e9f022049dadb73ca3e814de9da0b35ff20a8ca82147dda138ede948ccac5621a5bc1bb01210384485d43e938f8c68c4ac903d4d5a97fe842f66c12b860d8d2e1242d2b01fc1f",
"script_type": "pay-to-witness-pubkey-hash",
"sequence": 4294967295
}
],
"outputs": [
{
"addresses": [
"bc1qjp3cch0hdvdr0hy99cs76kl9kekmuxv3k9nr6l"
],
"script": "001490638c5df76b1a37dc852e21ed5be5b66dbe1991",
"script_type": "pay-to-witness-pubkey-hash",
"value": 60000
}
],
"preference": "low",
"received": "2021-09-05T10:17:14.395062568Z",
"relayed_by": "3.82.154.159",
"size": 188,
"total": 60000,
"ver": 2,
"vin_sz": 1,
"vout_sz": 1,
"vsize": 188
}
I then thought perhaps I didn’t add a scriptPubKey
into the addInput
but this code didn’t seem to work for me:
const fetch = require("node-fetch")
const bitcoin = require("bitcoinjs-lib")
const url = "https://blockchain.info/rawaddr/"
let MAINNET = bitcoin.networks.bitcoin
pubAdd = "bc1qj3rjxzhlqm6fqesd5fwphjnf457zkww3s5qrv5"
let txb = new bitcoin.TransactionBuilder(MAINNET)
var txid = null
var outn = 0
var transactionhex = ""
async function getPubAddInfo() {
const response = await fetch(url + pubAdd)
const data = await response.json()
txid = data["txs"][0]["hash"]
outn = data["txs"][0]["out"][0]["n"]
}
async function getTXHash() {
await getPubAddInfo()
let WIF = "xxxxxxxxxxxx"
let keypairSpend = bitcoin.ECPair.fromWIF(WIF, MAINNET)
var scriptPubkey = bitcoin.script.witnessPubKeyHash.output.encode(bitcoin.crypto.hash160(keypairSpend.getPublicKeyBuffer()))
txb.addInput(txid, outn, null, scriptPubkey)
txb.addOutput("bc1qjp3cch0hdvdr0hy99cs76kl9kekmuxv3k9nr6l", 60000)
txb.sign(0, keypairSpend, null, null, 60200)
let tx = txb.build()
transactionhex = tx.toHex()
console.log(transactionhex)
}
getTXHash()
At the moment I get the error TypeError: Cannot read property 'output' of undefined
on the line where i create var scriptPubKey
.
Any suggestions as to how I can add the Witness field into the tx? Is it because I am improperly adding the scriptPubKey? I am using bitcoinjs 5.2.0
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