Release Notes

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Dependencies

• #6828 Bump Cosmos SDK to v0.50.9.
• #7222 Update ics23 to v0.11.0.

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State Machine Breaking

• (core/03-connection) #7129 Remove verification of self client and consensus state from connection handshake.

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Improvements

• (core/04-channel) #6871 Add channel ordering to write acknowledgement event.

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Features

• (apps/transfer) #6877 Added the possibility to transfer the entire user balance of a particular denomination by using UnboundedSpendLimit as the token amount.

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Bug Fixes

• (core/04-channel) #6935 Check upgrade compatibility in ChanUpgradeConfirm.

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Dependencies

• #6614 Bump Cosmos SDK to v0.50.7.

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Improvements

• (apps/27-interchain-accounts) #6436 Refactor ICA host keeper instantiation method to avoid panic related to proto files.

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Improvements

• (core/ante) #6302 Performance: Skip app callbacks during RecvPacket execution in checkTx within the redundant relay ante handler.
• (core/ante) #6280 Performance: Skip redundant proof checking in RecvPacket execution in reCheckTx within the redundant relay ante handler.
• (core/ante) #6306 Performance: Skip misbehaviour checks in UpdateClient flow and skip signature checks in reCheckTx mode.

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Dependencies

• #6300 Bump Cosmos SDK to v0.50.6 and CometBFT to v0.38.7.

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State Machine Breaking

• (light-clients/07-tendermint) #6276 Fix: No-op to avoid panicking on UpdateState for invalid misbehaviour submissions.

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Improvements

• (apps/27-interchain-accounts, apps/transfer, apps/29-fee) #6253 Allow channel handshake to succeed if fee middleware is wired up on one side, but not the other.
• (apps/27-interchain-accounts) #6251 Use UNORDERED as the default ordering for new ICA channels.
• (apps/transfer) #6268 Use memo strings instead of JSON keys in AllowedPacketData of transfer authorization.
• (core/ante) #6278 Performance: Exclude pruning from tendermint client updates in ante handler executions.
• (core/ante) #6302 Performance: Skip app callbacks during RecvPacket execution in checkTx within the redundant relay ante handler.
• (core/ante) #6280 Performance: Skip redundant proof checking in RecvPacket execution in reCheckTx within the redundant relay ante handler.

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Features

• (core) #6055 Introduce a new interface ConsensusHost used to validate an IBC ClientState and ConsensusState against the host chain’s underlying consensus parameters.
• (core/02-client) #5821 Add rpc VerifyMembershipProof (querier approach for conditional clients).
• (core/04-channel) #5788 Add NewErrorAcknowledgementWithCodespace to allow codespaces in ack errors.
• (apps/27-interchain-accounts) #5785 Introduce a new tx message that ICA host submodule can use to query the chain (only those marked with module_query_safe) and write the responses to the acknowledgement.

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Bug Fixes

• (apps/27-interchain-accounts) #6167 Fixed an edge case bug where migrating params for a pre-existing ica module which implemented controller functionality only could panic when migrating params for newly added host, and align controller param migration with host.
• (app/29-fee) #6255 Delete refunded fees from state if some fee(s) cannot be refunded on channel closure.

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Dependencies

• #5975 Bump Cosmos SDK to v0.50.5.

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Improvements

• (proto) #5987 Add wasm proto files.

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Dependencies

• #5663 Bump Cosmos SDK to v0.50.3 and CometBFT to v0.38.2.

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State Machine Breaking

• (apps/27-interchain-accounts) #5442 Increase the maximum allowed length for the memo field of InterchainAccountPacketData.

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Improvements

• (core/02-client) #5429 Add wildcard "*" to allow all clients in AllowedClients param.
• (core) #5541 Enable emission of events on erroneous IBC application callbacks by appending a prefix to all event type and attribute keys.

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Features

• (core/04-channel) #1613 Channel upgradability.
• (apps/transfer) #5280 Add list of allowed packet data keys to Allocation of TransferAuthorization.
• (apps/27-interchain-accounts) #5633 Allow setting new and upgrading existing ICA (ordered) channels to use unordered ordering.

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Bug Fixes

• (apps/27-interchain-accounts) #5343 Add check if controller is enabled in sendTx before sending packet to host.
• (apps/29-fee) #5441 Allow setting the relayer address as payee.

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Dependencies

• #5718 Update Cosmos SDK to v0.50.3 and CometBFT to v0.38.2.

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Improvements

• (core) #5541 Enable emission of events on erroneous IBC application callbacks by appending a prefix to all event type and attribute keys.

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Dependencies

• #5038 Bump SDK v0.50.1 and cometBFT v0.38.
• #4398 Update all modules to go 1.21.

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API Breaking

• (core) #4703 Make PortKeeper field of IBCKeeper a pointer.
• (core/23-commitment) #4459 Remove Pretty and String custom implementations of MerklePath.
• #3205 Make event emission functions unexported.
• (apps/27-interchain-accounts, apps/transfer) #3253 Rename IsBound to HasCapability.
• (apps/27-interchain-accounts, apps/transfer) #3303 Make HasCapability private.
• #3303 Add missing/remove unnecessary gogoproto directive.
• (apps/27-interchain-accounts) #3967 Add encoding type as argument to ICA encoding/decoding functions.
• (core) #3867 Remove unnecessary event attribute from INIT handshake msgs.
• (core/04-channel) #3806 Remove unused EventTypeTimeoutPacketOnClose.
• (testing) #4018 Allow failure expectations when using chain.SendMsgs.

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State Machine Breaking

• (apps/transfer, apps/27-interchain-accounts, app/29-fee) #4992 Set validation for length of string fields.

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Improvements

• #3304 Remove unnecessary defer func statements.
• (apps/29-fee) #3054 Add page result to ics29-fee queries.
• (apps/27-interchain-accounts, apps/transfer) #3077 Add debug level logging for the error message which is discarded when generating a failed acknowledgement.
• (core/03-connection) #3244 Cleanup 03-connection msg validate basic test.
• (core/02-client) #3514 Add check for the client status in CreateClient.
• (apps/29-fee) #4100 Adding MetadataFromVersion to 29-fee package types.
• (apps/29-fee) #4290 Use types.MetadataFromVersion helper function for callback handlers.
• (core/04-channel) #4155 Adding IsOpen and IsClosed methods to Channel type.
• (core/03-connection) #4110 Remove Version interface and casting functions from 03-connection.
• (core) #4835 Use expected interface for legacy params subspace parameter of keeper constructor functions.

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Features

• (capability) #3097 Migrate capability module from Cosmos SDK to ibc-go.
• (core/02-client) #3640 Migrate client params to be self managed.
• (core/03-connection) #3650 Migrate connection params to be self managed.
• (apps/transfer) #3553 Migrate transfer parameters to be self managed (#3553)
• (apps/27-interchain-accounts) #3520 Migrate ica/controller parameters to be self managed (#3590)
• (apps/27-interchain-accounts) #3520 Migrate ica/host to params to be self managed.
• (apps/transfer) #3104 Add metadata for IBC tokens.
• #4620 Migrate to gov v1 via the additions of MsgRecoverClient and MsgIBCSoftwareUpgrade. The legacy proposal types ClientUpdateProposal and UpgradeProposal have been deprecated and will be removed in the next major release.

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Bug Fixes

• (apps/transfer) #4709 Order query service RPCs to fix availability of denom traces endpoint when no args are provided.
• (core/04-channel) #3357 Handle unordered channels in NextSequenceReceive query.
• (e2e) #3402 Allow retries for messages signed by relayer.
• (core/04-channel) #3417 Add missing query for next sequence send.
• (testing) #4630 Update testconfig to use revision formatted chain IDs.
• (core/04-channel) #4706 Retrieve correct next send sequence for packets in unordered channels.
• (core/02-client) #4746 Register implementations against govtypes.Content interface.
• (apps/27-interchain-accounts) #4944 Add missing proto interface registration.
• (core/02-client) #5020 Fix expect pointer error when unmarshalling misbehaviour file.

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Documentation

• #3133 Add linter for markdown documents.
• #4693 Migrate docs to docusaurus.

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Testing

• #3138 Use testing.TB instead of testing.T to support benchmarks and fuzz tests.
• #3980 Change sdk.Events usage to []abci.Event in the testing package.
• #3986 Add function RelayPacketWithResults.
• #4182 Return current validator set when requesting current height in GetValsAtHeight.
• #4319 Fix in TimeoutPacket function to use counterparty portID/channelID in GetNextSequenceRecv query.
• #4180 Remove unused function simapp.SetupWithGenesisAccounts.

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Miscellaneous Tasks

• (apps/27-interchain-accounts) #4677 Remove ica store key.
• #4724 Add HasValidateBasic compiler assertions to messages.
• #4725 Add fzf selection for config files.
• #4741 Panic with error.
• #3186 Migrate all SDK errors to the new errors go module.
• #3216 Modify simapp to fulfill the SDK runtime.AppI interface.
• #3290 Remove gogoproto yaml tags from proto files.
• #3439 Use nil pointer pattern to check for interface compliance.
• #3433 Add tests for acknowledgement.Acknowledgement().
• (core, apps/29-fee) #3462 Add missing nil check and corresponding tests for query handlers.
• (light-clients/07-tendermint, light-clients/06-solomachine) #3571 Delete unused GetProofSpecs functions.
• (core) #3616 Add debug log for redundant relay.
• (core) #3892 Add deprecated option to create_localhost field.
• (core) #3893 Add deprecated option to MsgSubmitMisbehaviour.
• (apps/transfer, apps/29-fee) #4570 Remove GetSignBytes from 29-fee and transfer msgs.
• #3630 Add annotation to Msg service.