Questions tagged [raw]

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Sign Multisignature Transaction with only 1 of the needed keys using BitcoinJ?

If I have an unsigned Raw Transaction whose inputs are from a multisignature wallet, can I sign the transaction with only of the N needed keys and having the output as raw transaction again using ...
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1answer
34 views

Create Raw Transaction in BitcoinJ offline starting from UTXO info

I would to create offline Raw Transaction (without signing it) in BitcoinJ. The information I know about the inout is UTXO's hash, index, amount, address, and script. I also know the receiver address ...
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0answers
22 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 ...
1
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1answer
179 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 ...
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0answers
27 views
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3answers
657 views

Signing a bitcoin transaction OFFLINE fails

I know this subject has been discussed quite a lot, but after several days looking for this to work, I give up. I want to create a transaction on a view-only wallet which is connected to the internet ...
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1answer
440 views

Using CoreBitcoin in Swift to create raw transaction

I am new to coding, and only know swift, obj-C is still foreign to me. I have a functioning wallet but for now am relying on BlockCypher API to build a transaction which I do NOT want to do. Can ...
2
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2answers
370 views

Breaking down a raw transaction:

Complete example: ...
0
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1answer
137 views

Untypical input script

There are many untypical Input script data in blockchain. What does it mean? For example, transaction: 4A253F17E5F4B24B41F72A6AE46DD1BCB25F7F33769C2AA5D50C6A6A7CF9F76E (link) has it's input script: ...
4
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1answer
3k views

How to create raw transaction

I've started creating my own wallet in bitcoinj and I have serious problem. I want to create raw transaction without wallet object. So I wrote this piece of code: //String to a private key ...
3
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2answers
1k views

C# BC, successfully creating and signing raw transaction

First time on stackexchange to ask for help, sorry if i make mistakes (english is not my native language). I try to create a valid raw transaction on C# with bouncycastle and i seems stuck, not able ...
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2answers
328 views

Is it possible to execute a CLTV transaction in bitoin core 0.11 console?

The title says it all. How can one perform a op_checklocktimeverify transaction using bitcoin core? I've searched around and I've found a few repo's on github but nothing about how to do it in the ...
0
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1answer
719 views

Redeeming OP_SHA256 hash OP_EQUAL (Testnet) Tx

I created the following non-standard Tx on the Testnet3 network: 6b52c981e6814072db77cb755b2633cd126b4ca21501d18ab994531e17a4a813 { hash: "...
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2answers
2k views

Why is my raw transaction non-canonical, getting error -25, and being rejected?

I'm trying to port TX generation logic to a different (and unpopular) language. I've been beating my head against this way too long and should have walked away but, well, you know, closure, and ...
2
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1answer
2k views

Difference between createmultisig and addmultisigaddress?

What is the functional difference between createmultisig and addmultisigaddress in bitcoincore (v 0.10)? To be clear, I understand how both function. ie. multisigCmd n ["address1 public key as hex", ...
5
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1answer
4k views

How can I view the Blockchain locally on my machine?

I'd like to view the blockchain on my Windows 7 machine. Right now I'm looking under roaming/Bitcoin/blocks, and trying to open blk00000.dat . I can't read any of it though, it seems the text is ...
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2answers
2k views

calculate transaction ID TXID from JSON or raw transaction

consider an offline transaction that has not been posted yet, created through a method such as here: http://brainwallet.org/#tx a) how could I calculate the transaction ID from the raw transaction? ...
3
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1answer
249 views

Can the same target address appear more than once on transaction output?

Normally, a transaction output will contain a list of address + amount. Each element in this list has an associate output number, "vout". For example: Transaction outputs: vout=0: addr=m111111, ...
78
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3answers
29k views

How to redeem a basic Tx?

Given a raw, standard Tx (wiki): 01000000 01 26c07ece0bce7cda0ccd14d99e205f118cde27e83dd75da7b141fe487b5528fb 00000000 8b ...
8
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2answers
421 views

Why is the Block Header txn_count field always zero?

According to the Protocol Specification, the txn_count field of a Block Header is always set to 0, why is that? What are the intended future uses of this field?