lib: Check that vtxo output index is in range

Steven Rooserequested to merge
validate-output-idx into master
  • check or remove this line after you've added a CHANGELOG entry or if your PR doesn't need one (they should go into CHANGELOG/unreleased/)

Summary by CodeRabbit

  • Bug Fixes

    • Added validation checks to reject VTXOs with out-of-range output indices during decoding.

  • Tests

    • Added test coverage verifying rejection of VTXOs with invalid output index values.
Edited by coderabbit

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