Bugfix: GUI/Intro: Handle errors from SelectParams the same as if during InitConfig #34767

1. 
   luke-jr commented at 11:43 PM on March 6, 2026: member

   Without this, invalid vbparams just silently exit with no message

2. Bugfix: GUI/Intro: Handle errors from SelectParams the same as if during InitConfig

   Without this, invalid vbparams just silently exit with no message

   55d37546fa
3. 
   DrahtBot commented at 11:43 PM on March 6, 2026: contributor

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   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/34767.

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   No conflicts as of last run.

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4. 
   fanquake commented at 12:19 PM on March 9, 2026: member

   cc @hebasto

5. 
   davidgumberg commented at 11:18 PM on March 9, 2026: contributor

   @luke-jr Can you give some guidance on how to reproduce the issue this fixes and/or a test case?

6. 
   luke-jr commented at 11:21 PM on March 9, 2026: member

   Just start bitcoin-qt with -regtest -vbparams and some out of range numbers

7. 
   fanquake commented at 10:12 AM on March 12, 2026: member

   Is this being moved to the GUI repo?

8. fanquake added the label GUI on Mar 12, 2026
9. sedited requested review from hebasto on Mar 20, 2026
10. sedited approved
11. 
    sedited commented at 12:37 PM on May 25, 2026: contributor

    ACK 55d37546faa6b928d361e8b7ce9a90b49057d09a

Review Requested
hebasto