rpc: fix testing build block v1 according Hive Test#20592

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lupin012 wants to merge 9 commits intomainfrom

lupin012/fix_testing_buildBlockV1

Commits on Apr 16, 2026

Merge branch 'main' into lupin012/fix_testing_buildBlockV1
lupin012
authored

Commits on Apr 18, 2026

Merge branch 'main' into lupin012/fix_testing_buildBlockV1
lupin012
authored

Commits on Apr 19, 2026

engineapi/testing: open single DB reader per call; use InvalidParamsError for nonce mismatches

lupin012
and
claude
committed