fix: filter out Nethermind-specific error field from receipt comparisons#17
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fix: filter out Nethermind-specific error field from receipt comparisons#17
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Nethermind includes a non-standard 'error' field on reverted transaction receipts which is not part of the Ethereum JSON-RPC spec. This caused false failures when comparing get_block_receipts responses between Reth and Nethermind. This change recursively filters out client-specific extension fields before comparing RPC responses.
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joshieDo
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Jan 13, 2026
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Summary
Nethermind includes a non-standard
errorfield on reverted transaction receipts which is not part of the Ethereum JSON-RPC spec. This caused false failures when comparingget_block_receiptsresponses between Reth and Nethermind.Changes
IGNORED_FIELDSconstant for client-specific extension fieldsfilter_ignored_fields()function that recursively removes these fields before comparisonExample
Nethermind returns:
{ "status": "0x0", "error": "revert", // <-- Nethermind-only, not in spec ... }Reth/Geth return:
{ "status": "0x0", ... }Testing
Tested locally against: