v0.12.0-rc.0

February 21st, 2022

⚠️ This is a release candidate and not the final release for v0.12.0.

BUG FIXES:

• IBC Modules
  • Fixed the formatting of NotEnoughTimeElapsed and NotEnoughBlocksElapsed in tendermint errors (#1706)
  • IBC handlers now retrieve the host timestamp from the latest host consensus state (#1770)
• Relayer Library
  • Handle non-standard ports in channel handshake (#1837)
  • Fix duplicate SendPacket events emitted by EndBlock (#1844)
  • Fix support for non-standard ports in channel handshake (#1861, #1837)
  • Fixed bug where Hermes cleared packets at startup, despite clear_on_start = false (#1872)
• Relayer CLI
  • Disable reloading of configuration upon receiving a SIGHUP signal (#1885)

FEATURES:

• General
  • Upgrade protos and compatibility to IBC v3.0.0-rc.0 and Cosmos SDK v0.45.1 (#1797)
• Relayer CLI
  • Allow overriding the tracing filter with RUST_LOG environment variable (#1895)

IMPROVEMENTS:

• IBC Modules
  • Added more unit tests to verify Tendermint ClientState (#1706)
  • Define CapabilityReader and CapabilityKeeper traits (#1769)
• Relayer Library
  • Add two more health checks: tx indexing enabled and historical entries > 0 (#1388)
  • Changed ConnectionEnd::versions method to be non-allocating by having it return a &[Version] instead of Vec<Version> (#1880)
• Relayer CLI
  • Added clear packets command, combining the effects of tx raw packet-recv and tx raw packet-ack (#1834)