Changelog

[Unreleased]

API-Breaking

#873 Defines the connection Version datatype and adjusts the signature of getCompatibleVersions() and pickVersion() accordingly
#813 Breaks up checkValidityAndUpdateState into verifyClientMessage and UpdateState
#813 Breaks up checkMisbehaviourAndUpdateState into checkForMisbehaviour and UpdateStateOnMisbehaviour
#813 Removes Header and Misbehaviour interfaces for generic ClientMessage interface
#813 Removes specific verify functions from ClientState interface in exchange for generic verifyMembership and verifyNonMembership methods
#813 Adds getTimeoutAtHeight method to ClientState interface.

Bug Fixes

#808 Fix channel sequence paths in ICS4
#863 Fix allowed range for trustLevel
#878 Removes broken localhost client spec ICS9

Improvements

#802 Move ClientState to the provableStore and add ClientState validation in connOpenTry and connOpenAck
#803 Changed UpgradeState enums to match the opening handshake enum style.
#804 Increment upgrade sequence at the start of a new handshake rather than the end of a completed handshake
#806 Adds previous version to UpgradeInit and UpgradeTry callback arguments
#807 Upgrade keys will now prefix the channel path to align with the rest of ICS4 keys
#842 Adds metadata field to FungibleTokenPacketData
#844 Adds event emission in recvPacket when packet.sequence < nextSequenceRecv for ordered channels and when packetRecepit != null for unordered channels
#845 Adds explanation about onRecvPacket callback returning an error in interchain accounts controller modules
#886 Makes icacontroller- prefix optional in ICA controller port identifier