New answers tagged p2pkh
1
The secret is that it is being interpreted as an opcode.
Opcodes 0x01 through 0x4b (decimal 1 to 75) are opcodes that specify the length of the data being pushed after them.
This lets you push up to 75 bytes of data using a single op code to specify the length.
Additionally, we also have 0x4c, 0x4d, and 0x4e. These specify:
0x4c - The next byte specifies the ...
3
The error hints that you're not signing the transaction correctly.
In fact, you're generating a signature with:
txHash := updater.Data.UnsignedTx.TxHash()
sig, err := privkey.Sign(txHash[:])
But the current transaction hash is not what you need to sign. Instead, you should use HashForSignature for legacy input types:
sigHash, err := updater.Data.UnsignedTx....
1
Yes, it's possible using descriptors and PSBTs.
How to spend/sweep p2pkh UTXOs air-gapped using Bitcoin Core's GUI and PSBTs.
Here are the required steps, most of them have to be entered into Bitcoin Core's console.
OFFLINE
export the descriptor of the p2pkh address: getaddressinfo ADDRESS
copy the "desc": "pkh([....", output to the ...
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