I had an old ABC client on my local machine for testing (0.15.0.0).
Finally decided to upgrade to the latest BU (1.4.0.0) but it fails to sign the transaction.
The code and all the data are exactly the same.
When connected to ABC, it signs, when switched to BU, it returns a generic failure error: "Signature must be zero for failed CHECK(MULTI)SIG operation" for each input.
This is a 2-out of-2 multisig tx and the client signs with the second key.
The SignRawTransaction() doesn't use wallet key or utxo (both are provided as parameters).
Config is exactly the same, with usecashaddr=0.
What could be the difference between those two clients? Something has changed in BU?
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source https://www.reddit.com/r/btc/comments/9d5aum/need_help_with_bu/
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