Remove unused parquet and duckdb receipt store

[masih]

Remove the experimental / unused parquet and duckdb receipt store. Remove redundant tests and adjust benchmarking.

[github-actions]

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Build	Format	Lint	Breaking	Updated (UTC)
✅ passed	✅ passed	✅ passed	✅ passed	Jun 12, 2026, 4:59 PM

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 58.35%. Comparing base (0a2c388) to head (ed3e474).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3580      +/-   ##
==========================================
- Coverage   59.22%   58.35%   -0.87%     
==========================================
  Files        2214     2140      -74     
  Lines      183389   174791    -8598     
==========================================
- Hits       108604   101999    -6605     
+ Misses      64994    63701    -1293     
+ Partials     9791     9091     -700     

Flag	Coverage Δ
sei-chain-pr	59.46% <100.00%> (?)
sei-db	70.41% <ø> (ø)
sei-db-state-db	?

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Files with missing lines	Coverage Δ
app/test_helpers.go	72.07% <ø> (ø)
evmrpc/filter.go	65.68% <ø> (ø)
sei-db/config/receipt_config.go	77.77% <100.00%> (-1.39%)	⬇️
sei-db/ledger_db/receipt/receipt_store.go	65.77% <100.00%> (-0.90%)	⬇️
sei-db/ledger_db/receipt/tx_hash_index.go	69.52% <ø> (+4.86%)	⬆️

... and 74 files with indirect coverage changes

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[cursor]

PR Summary

Medium Risk
Large removal of an alternate receipt persistence path and log/receipt query code; production impact is low if parquet was never enabled, but operators or branches still setting rs-backend=parquet will fail at startup.

Overview
Removes the experimental parquet/DuckDB EVM receipt store and everything that depended on it, leaving pebbledb as the only supported rs-backend.

The sei-db/ledger_db/parquet package (DuckDB reader, parquet writers, WAL, pruning) and the cachedReceiptStore wrapper are deleted, along with parquet-specific receipt wiring and tests. Config no longer accepts parquet or tx-index-backend; templates and validation only document pebble/pebbledb.

Docker/Makefile parquet cluster targets (docker-cluster-start-parquet, parquet-integration-test, docker-compose.parquet.yml, evm_parquet_tests.sh) and the large ParquetReceiptTest.js Hardhat suite are removed. Giga Storage defaults for RECEIPT_BACKEND switch from parquet to pebble in local node scripts.

Dependencies drop duckdb-go, parquet-go, and related transitive modules from go.mod/go.sum. evmrpc comments are generalized (no parquet-specific backend names).

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[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Use a supported receipt backend in cryptosim

When the cryptosim receipt simulator is created, this hard-coded Backend: "parquet" now goes through receipt.NewReceiptStoreWithReadMetrics, but this commit removed the parquet implementation and newReceiptBackend only accepts the pebble backend. As a result any cryptosim run that enables receipt generation/reads fails during simulator initialization with unsupported receipt store backend: parquet, so the receipt benchmark can no longer start.

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[cursor]

Cursor Bugbot has reviewed your changes using default effort and found 1 potential issue.

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[cursor]

Unused tx hash index code

Low Severity

The parquet receipt store and its tx-hash index wiring are removed, yet PebbleTxHashIndex and related APIs in tx_hash_index.go have no callers outside their tests. That unused surface suggests the parquet-specific index path was not fully removed with the backend.

 

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[cody-littley]

LGTM. Please get signoff with @Kbhat1 before merging, as he's currently in charge of managing all recieptDB stuff.