feat: Indexed the derived txs in the kv indexer#21
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Marks them via IsDerivedTx so the RPC backend can rebuild their fields.
Fixes getTransactionByHash/Receipt panic on derived txs (no MsgEthereumTx).
…/kv-index-derived-txs # Conflicts: # rpc/backend/tx_info.go
GetTxByTxIndex reconstructs derived txs (gated by IsDerivedTxByBlockAndIndex) so trace predecessors aren't dropped.
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Description
Indexes derived EVM txs (internal executions emitted only as events, no embedded
MsgEthereumTx) in the KV indexer and makes them safely servable over JSON-RPC.indexer/kv_indexer.go—IndexBlocknow indexes derived txs by hash andblock-index, sharing the block's eth-tx counter so it stays aligned with the emitted
txIndex([F-2026-17745] Derived transactions share a constant txIndex value #18). Writes a derived marker (IsDerivedTx) in the same batch.rpc/backend/tx_info.go— on a KV-indexer hit,GetTxByEthHashrebuilds the tx'sTxResultAdditionalFieldsfrom block events when the marker says derived. Without this,getTransactionByHash/getTransactionReceiptpanic on derived txs(
interface conversion: *MsgSend, not *MsgEthereumTx);TraceTransactionerrored.The marker gate keeps standard-tx lookups cheap (one key read, no event reparse).
types/indexer.go— addsIsDerivedTxto theEVMTxIndexerinterface.This is the KV-indexer serving path (Option 1) complementing the
tx_searchfallbackalready on this branch (Option 2) — together they serve derived txs even when CometBFT
tx_indexis disabled butjson-rpc.enable-indexeris on.Review notes
derivedTxAdditionalFieldsintx_info.goandindexDerivedTxsinkv_indexer.go.indexer(hash/index resolution + marker) andrpc/backend(
getTransactionByHash/Receiptderived serving, with the panic reproduced pre-fix).Closes: F-2026-17740