Questions tagged [signrawtransaction]

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20 views

How to use Digital Signature to Sign Unsigned Transaction?

so I was trying to sign my unsigned transaction: ...
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0answers
25 views

How to SignRawTransaction from p2sh with bitcoinj?

Looking for demo to signrawtransaction from p2sh with bitcoinj!!! This is bitcoinj code: org.bitcoinj.core.Transaction public TransactionInput addSignedInput(TransactionOutPoint prevOut, Script ...
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1answer
41 views

Signing transaction offline - manual way vs. Electrum

Being inspired by the thread (Redeeming a raw transaction step by step example required) I wanted to understand transaction signatures on the byte level. So I created my own Linux scripts that: ...
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1answer
27 views

Can a regtest bitcoind node use SignRawTransactionWithKey + prevtxs for a mainnet raw transaction?

I want to know if a regtest nnode can sign a raw mainnet transaction with the signrawtransactionwithkey rpc provided that I pass the correct keys and prevtxs as the regtest node will not be aware of ...
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0answers
21 views

Transaction with multi input in concept

As a developer I know how to create a transaction with one input and one or multi outputs. I know after we created a transaction with some of predefined parameters, we have to hash it and then we ...
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49 views

Need help with signing transactions in Java. I am using Bouncy Castle for ECDSA

I have successfully created the raw transaction that needs to be signed. I passed the big-endian (also tried little-endian) hash256 of the raw transaction to the ECSA.sign() method (implementation ...
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0answers
23 views

Blockcypher make_tx_signatures “Bad Signature” error

I am having trouble to sign a transaction on Blockcypher Test Network (using python): import requests from blockcypher ( import send_faucet_coins, create_unsigned_tx, make_tx_signatures, ...
2
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1answer
74 views

Can't send raw transaction Bitcoin Core 0.19.1 - non-mandatory-script-verify-flag (Signature must be zero for failed CHECK(MULTI)SIG operation)

I wanted to send a raw testnet transaction and I was doing it like in the bitcoin documentation, but I still get this error: non-mandatory-script-verify-flag (Signature must be zero for failed CHECK(...
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1answer
73 views

bitcoind multisig transaction not shown as multisig transaction / shown as “signed” by 2:3

Seems like there was a change in how multisig transactions are being created. Running a node using bitcoind v0.16.3 and another one using latest bitcoind (v.0.19.0.1). The multisig transaction created ...
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1answer
692 views

Signing a raw transaction with multiple inputs

So I am creating a simple P2PKH transaction and after I researched about this found few useful posts and answers here; I was able to successfully spend a a single P2PKH UTXO but it is really getting ...
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1answer
348 views

How to send bitcoin from an offline Bitcoin Core that doesn't have a synced balance?

I am setting up a cold wallet. How can I generate a signed raw transaction from bitcoin core wallet that controls some bitcoins? PS: I generated the wallet using getnewaddress in console from the ...
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0answers
32 views

Sign a Partially Signed rawtransaction with bitcoinjs-lib

I was trying to figure out how to use the bitcoinjs-lib. I was thinking if I could sign a partially signed raw transaction in bitcoijs-lib. For example - If I have a hex String whose input1 is ...
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1answer
70 views

Create a transaction from a wallet coins (UTXOs) with the bcoin library

I have a multisig setup where the signing is done through external HSM's. I am using Bcoin and its wallet to receive funds. What I am trying to do is to create a transaction and sign it with the HSMs. ...
1
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1answer
170 views

Two transactions are signed by different private keys, and the value of “R” for these two transactions is the same?

Everyone knows an error in the Blockchain when the same value of "R" can be calculated and find out the private key of the transaction: ECDSA Signature and the "z" value But I have a ...
1
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1answer
105 views

How to combine separately signed inputs from different users?

With two separate signed raw transactions from two users, how would one go about 'batching' these manually (combining the inputs and outputs into a single transaction)? Is this a viable solution for ...
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0answers
283 views

How to sign bitcoin raw transactions with Python offline

I have a raw bitcoin transaction created using createrawtransaction unsigned_tx = "...
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2answers
309 views

Could not sign Transaction with SignRawTransactionWithKey through the RPC (RegTest)

I am able to sign following transaction with Complete=true result, but when trying to decode signed transaction, it returns error "TX decode failed" both from DecodeRawTransaction and ...
2
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1answer
191 views

signrawtransaction is not a function on bitcoin core V0.17.1

I'm using npm bitcoin-core ^2.0.0 to get access to my bitcoind (v0.17.1 MAC) My code: let signedRawTx = await btcClient.signRawTransaction(rawTx, [], [privateKey], 'ALL'); I get an error message ...
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1answer
80 views

Open source, how can I view “Transaction Create a new transaction” and “Sign Transaction”?

Not long ago I saw on the site github.com the very first Nakamoto code: https://github.com/livegnik/BitCoin-v0.01-ALPHA Running bitcoin.exe, I did not find the console. If the program is open source,...
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1answer
706 views

Signrawtransaction is not working on bitcoin core V0.17.1

I am having trouble signing a transaction on bitcoin core since it appears signrawtransaction no longer works. I get the following error message : signrawtransaction is deprecated and will be fully ...
0
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1answer
318 views

Creating a raw bitcoin transaction and signing it with the private key using php and javascript

I have a full bitcoin core node setup and would like to use it to just "broadcast" my signed transactions. But what is required to make a raw transaction using PHP and Javascript? The variables I have ...
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1answer
1k views

How do I sign and send a raw transaction using BitcoinJ?

Transaction transaction = new Transaction(params); // 遍历未花费列表,组装合适的item double sum = 0; String address = null; List<Unspent> unspents = new ArrayList<>(); Map<...
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1answer
596 views

What exactly is hashed and signed in a segwit transaction

I have an unsigned raw segwit transaction on my regtest network: ...
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1answer
171 views

Sign Bitcoin transaction with several inputs using bitcoinj. Broadcasting of transaction failed

Good day! I'm working with low level API to make tx and sign it offline. But after all preparations I try to broadcast it and than i get an error from network: 16: mandatory-script-verify-flag-...
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2answers
87 views

Why are my Signature Scripts Different from my professors?

bob_addr = "1NWzVg38ggPoVGAG2VWt6ktdWMaV6S1pJk"#"1FMb8Jnn1jSh7yjDFfonC8xCCH3ittoEzB" bob_hashed_pubkey = base58check.b58decode(bob_addr)[1:] bob2_hashed_pubkey = b'\xec\x06\xb2\xbf\x18\xc8\x97\x06\...
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0answers
224 views

Multisig signrawtransaction fails

I have 3 private keys (a,b,c) which belong to an address (2 of 3) from which I want to spend funds using RPC commands. I´ve started with generating the redeemScript using createmultisig() and the pub ...
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1answer
140 views

Error in creating bitcoin raw transaction

I am creating a raw transaction to send amount from from_address to to_address. While sending a transaction I got an error. I posted the detailed process of creating a raw transaction. Could anyone ...
1
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1answer
196 views

BitcoinLib SignRawTransaction JSON-RPC returns false when using private key

This is a repost of (JSON-RPC signrawtransaction returns false when using private keys) but I could not comment because of my reputation (new user). I've been using BitcoinLib via Litecoin Testnet ...
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1answer
338 views

When and where to add extra information when signing P2SH raw transaction?

This post is quite long so in summary: I'm wondering where I can add extra information when signing a raw transaction (in this case a cleartext of a digest). I'm also wondering if Missing inputs (code ...
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1answer
744 views

How to sign a transaction using multi signature using bitcoind?

I created a multisignature address using bitcoin-cli createmultisig 2 '["...
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0answers
71 views

Using blockcypher BitcoinJs at clientside is secure or not?

I am trying to create new transaction using bitcoinjs at client side. Is it a secure way to create a transaction from Client side, which includes curl call. Scenario, if I start from creating the new ...
1
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1answer
468 views

What do I need to sign to produce a scriptSig signature that consumes a multisig UTXO?

I am trying to figure out how to produce a valid signed transaction to consume BTC from a multisig address. 1) First let's look into producing a signature for an UTXO associated to a regular address: ...
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2answers
422 views

Do i need to sign each input in a raw transaction?

I've been reading up about raw transactions on bitcoin.org and there are two examples Simple and Complex. What I can't tell from the information provided is if it necessary to sign each of the inputs ...
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2answers
993 views

Sign transaction with multiple inputs using bitcoinj/peercoinj libraries

Good day for everyone! I have some troubles with adding signed Input to the transaction. Currently, I'm working with altCoin (fork peercoin) currency. I'm trying build the transaction in the ...
0
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1answer
137 views

Transaction built manually has negative amount

I want to build a transaction with multiple inputs and one output. I'm using json-rpc, call createrawtransaction and then signrawtransaction. After calling signrawtransaction I get back a txid, but ...
2
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3answers
571 views

Trying to send bcc with bitcoin-qt but getting “16: mandatory-script-verify-flag-failed” - error

I'm trying to use the method from this reddit link to send a raw transaction to the bcc-network, but keep getting the error: "16: mandatory-script-verify-flag-failed (Script evaluated without error ...
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2answers
789 views

signrawtransaction of a P2SH-P2WPKH spend seems to be broken?

I'm trying to spend a SegWit output on testnet using the Bitcoin core's RPC commands. Without importing the private key into my wallet (i.e. w/o addwitnessaddress). I wonder if anyone had luck ...
4
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0answers
709 views

To sign raw transaction in Segwit

I am using Bitcoin core 0.14.1 testnet. I created a Segwit address. transfer some coins to this address. Now I want to spend it. I created a raw transaction using console command i.e. ...
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3answers
4k views

What does “operation not valid with the current stack size” mean?

I'm asking this question to help others who run into the same problem I ran into. The error is, at least sometimes, misleading and might not be accurate. The context in which this error is relevant ...