Changelog

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Features

• #253 Add comprehensive Solidity-based end-to-end tests for precompiles
• #301 Add 4-node localnet infrastructure for testing multi-validator setups
• #304 Add system test framework for integration testing
• #344 Add txpool RPC namespace stubs in preparation for app-side mempool implementation
• #440 Enforce app creator returning application implement AppWithPendingTxStream in build time.

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Improvements

• #294 Enforce single EVM transaction per Cosmos transaction for security
• #299 Update dependencies for security and performance improvements
• #307 Preallocate EVM access_list for better performance
• #317 Fix EmitApprovalEvent to use owner address instead of precompile address
• #345 Fix gas cap calculation and fee rounding errors in ante handler benchmarks
• #347 Add loop break labels for optimization
• #370 Use larger CI runners for resource-intensive tests
• #373 Apply security audit patches
• #377 Apply audit-related commit 388b5c0
• #382 Post-audit security fixes (batch 1)
• #388 Post-audit security fixes (batch 2)
• #389 Post-audit security fixes (batch 3)
• #392 Post-audit security fixes (batch 5)
• #398 Post-audit security fixes (batch 4)
• #442 Prevent nil pointer by checking error in gov precompile FromResponse.
• #387 (Experimental) EVM-compatible appside mempool

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Bug Fixes

• #179 Fix compilation error in server/start.go
• #245 Use PriorityMempool with signer extractor to prevent missing signers error in tx execution
• #289 Align revert reason format with go-ethereum (return hex-encoded result)
• #291 Use proper address codecs in precompiles for bech32/hex conversion
• #296 Add sanity checks to trace_tx RPC endpoint
• #316 Fix estimate gas to handle missing fields for new transaction types
• #330 Fix error propagation in BlockHash RPCs and address test flakiness
• #332 Fix non-determinism in state transitions
• #350 Fix p256 precompile test flakiness
• #376 Fix precompile initialization for local node development script
• #384 Fix debug_traceTransaction RPC failing with block height mismatch errors
• #441 Align precompiles map with available static check to Prague.
• #452 Cleanup unused cancel function in filter.
• #454 Align multi decode functions instead of string contains check in HexAddressFromBech32String.

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Dependencies

• #459 Update cosmossdk.io/log to v1.6.1 to support Go v1.25.0+.
• #435 Update Cosmos SDK to v0.53.4 and CometBFT to v0.38.18.

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Api Breaking

• #456 Remove non–go-ethereum JSON-RPC methods to align with Geth’s surface
• #443 Move ante logic from the evmd Go package to the evm package to
• be exported as a library.
• #422 Align function and package names for consistency.
• #305 Remove evidence precompile due to lack of use cases