Questions tagged [input-script]
The input script ("scriptSig") is a transaction component used to satisfy the spending conditions specified in the output script ("scriptPubKey"). It is only used with legacy output types, for native segwit outputs it is empty and replaced by the witness structure.
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What are the Trade-offs for Input Script Deduplication?
One possible optimization to compress bitcoin transaction size is avoiding repetition of redundant data between inputs.
As a consensus change, a new transaction type could allow signing a list of txid:...
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ScriptSigSize fdf501 [duplicate]
I am trying to understand what scriptsigsize is. If I look at this transaction, the scriptsigsize of the first input would be "fdf501"? If I convert it to decimal, it cannot be the ...
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Transaction Validation
What will it mean if the tranasaction input contains both signature script and witness, in case of scriptpubkey_type of p2sh or p2pkh, will it be invalid or valid ? As we use witness for SegWit ...
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Why do some P2SH spending transactions have data both in the ScriptSig and Witness field?
I wonder if the wallet screwed up or if I am missing something in my bitcoin understanding.
Here is the tx output being spent:
"value": 0.00180675,
"n": 154,
...
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Bitcoin API for getting an input script?
I wanted to try talking to my bitcoin node to get the input scripts and put them into a database. Does anyone have good resources on where I can look to get started?
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Can OP_DROP be used to include arbitrary data?
I have recently been looking into OP_RETURN and its uses in so far as including data in a transaction. Given the fact that OP_RETURN is limited to 80 bytes I thought what if OP_DROP was used? That way ...
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Processing bitcoin reward block's input transaction
I'm parsing the block response of my bitcoin node and everything is going ok. The only thing I don't understand is how to parse the input transaction of the block reward.
This is the array that I see ...
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Does bitcoin transaction have source address?
I know that bitcoin transaction is based on UTXO, including input script and output script. But recently I browse bitcoin explorer and I found it listed source addresses of a transaction. I wonder ...
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conditional spending from P2WSH address
What im doing wrong?
Sinse I found out that Bitcoin is programmable money Im trying to use it potential.
Using this site https://improvein.github.io/bitcoin-forge/?#/script/create I’ve created a ...
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What fields of a coinbase transaction can be empty?
Is it correct to say:
As the coinbase transaction doesn't need to identify an output, there
is no need for the input scriptSig.
Would a block be accepted in which the coinbase transaction has an ...
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HOW TO SPEND P2SH with Redeem Script Hex?, Already make the transaction but still have some error
I HAVE ERROR "scriptsig-not-pushonly"
on this
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Why is concatenating scriptPubKeys and scriptSigs unsafe?
Around the 5:00 timestamp in this talk, John Newbery states that running the concatenation of scriptPubKey and scriptSig is unsafe, since it can result in someone using a carefully crafted scriptSig ...
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`fundrawtransaction` error when trying to spend an HTLC
I'm trying to use the fundrawtransaction RPC command in order to create a transaction spending an HTLC output. Here is the command i've entered:
fundrawtransaction "...
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What is prepended to the front of a ScriptSig and ScriptPubKey of a P2PKH transction?
In some educational materials on bitcoin P2PKH transactions, I'll see 2 digits included in the front of what would be considered the ScriptSig. For example, what is the 8b in the front of the ...
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Why inputs' scriptSig are stripped before the whole transaction being signed?
In this video, the lecturer explains that before the whole transaction get signed, the scriptSig part of inputs are removed, and this causes the ability to perform transaction malleability attacks. My ...
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