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Add compatibility tests for IBC v2

nil pointer deref in CometBlockResultByNumber error path

Bug: fatal: make_cache_entry failed for path '.github/workflows/e2e-nightly-38x.yml '

nondeterministic block_gas causes AppHash mismatch after Krakatoa update

x/gov: leading comma in proposal_messages event attribute

bug: Negative timestamp and gasLimit wrap to huge uint64 values in MakeHeader

bug: FeeHistory block number overflow — uint64 cast to int64 without range check

bug: RPCStream initSubscriptions panics on CometBFT subscribe failure, crashing node

bug: NewBackend() panics instead of returning error on config/client failures

bug: SuggestGasTipCap int64 overflow produces wrong gas tip for large base fees

bug: EVMChainID uint64 silently overflows to negative int64 in NewBackend

bug: eth_getLogs OOM — limit check runs after full block log materialization

bug: EthTxIndex -1 sentinel wraps to MaxUint64 in ReceiptsFromCometBlock, breaking JS clients

single client can exhaust filter pool under shared global cap

gentx events

sims.mk: 6 of 8 simulation targets reference non-existent test functions

Wrong encoding in blocked addresses case error

Swagger files never updated for v0.53.

Move `blockstm` into SDK `internal` and expose `TxnRunner`

Emit Precompile Events

blockstm: decoded memTx is not re-used

Remove Precisebank

cosmos EVM JSON-RPC: `allow-insecure-unlock=false` does not prevent `eth_sign`

Use Depot for EVM build

Proposer Priority Hash Miscalculation

missing size validations in lightclient and connection creation

Problem: ibc transfer keeper set zero gas config

hi

Integration guide

krakatoa: Support BroadcastTxSync