Ed Hennis 23045fcbef Add support for extra transaction signature validation ...

- Restructures `STTx` signature checking code to be able to handle
  a `sigObject`, which may be the full transaction, or may be an object
  field containing a separate signature. Either way, the `sigObject` can
  be a single- or multi-sign signature.
- This is distinct from 550f90a75e (#5594), which changed the check in
  Transactor, which validates whether a given account is allowed to sign
  for the given transaction. This cryptographically checks the signature
  validity.

2025-10-03 14:56:39 -04:00

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xrpl

Add support for extra transaction signature validation

2025-10-03 14:56:39 -04:00