v19_breaking_changes.md

V19 Breaking Changes

Verification Flags update

• MsgUpdateVerificationFlags has been removed, and replaced with MsgEnableHeaderVerification and MsgDisableHeaderVerification messages.
  • MsgEnableHeaderVerification message enables block header verification for a list of chains and can be triggered via PolicyType_groupOperational
  • MsgDisableHeaderVerification message disables block header verification for a list of chains and can be triggered via PolicyType_emergency

Crosschain Flags update

• MsgUpdateCrosschainFlags has been removed,and replaced with MsgEnableCCTX, MsgDisableCCTX and MsgUpdateGasPriceIncreaseFlags messages.
  • MsgEnableCCTX message enables either the IsInboundEnabled flag,or the IsOutboundEnabled flag or both PolicyType_groupOperational
  • MsgDisableCCTX message disables either the IsInboundEnabled flag,or the IsOutboundEnabled flag or both PolicyType_emergency
  • MsgUpdateGasPriceIncreaseFlags message updates the gas price increase flags and can be triggered via PolicyType_groupOperational

BallotMaturityBlocks moved to emissions module

• Observer param ballot_maturity_blocks is part of emissions module now. Observer params are deprecated and removed from observer module.

InTx and OutTx renaming

• All references to inTx and outTx have been replaced with inbound and outbound respectively. In consequence several structures, messages and queries have been renamed to reflect this change.

  • Structure renaming:
    • InTxHashToCctx has been renamed to InboundHashToCctx
      • Field InTxHash has been renamed to InboundHash
    • InTxTracker has been renamed to InboundTracker
    • OutTxTracker has been renamed to OutboundTracker
    • In ChainParams:
      • InTxTracker has been renamed to InboundTracker
      • OutTxTracker has been renamed to OutboundTracker
      • OutboundTxScheduleInterval has been renamed to OutboundScheduleInterval
      • OutboundTxScheduleLookahead has been renamed to OutboundScheduleLookahead
  • Messages
    • AddToOutTxTracker has been renamed to AddOutboundTracker
    • AddToInTxTracker has been renamed to AddInboundTracker
    • RemoveFromOutTxTracker has been renamed to RemoveOutboundTracker
    • VoteOnObservedOutboundTx has been renamed to VoteOutbound
    • VoteOnObservedInboundTx has been renamed to VoteInbound
  • The previous queries have not been removed but have been deprecated and replaced with new queries:
    • OutTxTracker has been renamed to OutboundTracker
      • /zeta-chain/crosschain/outTxTracker/{chainID}/{nonce} endpoint is now /zeta-chain/crosschain/outboundTracker/{chainID}/{nonce}
    • OutTxTrackerAll has been renamed to OutboundTrackerAll
      • /zeta-chain/crosschain/outTxTracker endpoint is now /zeta-chain/crosschain/outboundTracker
    • OutTxTrackerAllByChain has been renamed to OutboundTrackerAllByChain
      • /zeta-chain/crosschain/outTxTrackerByChain/{chainID}" endpoint is now /zeta-chain/crosschain/outboundTrackerByChain/{chainID}
    • InTxTrackerAllByChain has been renamed to InboundTrackerAllByChain
      • /zeta-chain/crosschain/inTxTrackerByChain/{chainID} endpoint is now /zeta-chain/crosschain/inboundTrackerByChain/{chainID}
    • InTxTrackerAll has been renamed to InboundTrackerAll
      • /zeta-chain/crosschain/inTxTracker endpoint is now /zeta-chain/crosschain/inboundTracker
    • InTxHashToCctx has been renamed to InboundHashToCctx
      • /zeta-chain/crosschain/inTxHashToCctx/{hash} endpoint is now /zeta-chain/crosschain/inboundHashToCctx/{hash}
    • InTxHashToCctxData has been renamed to InboundHashToCctxData
      • /zeta-chain/crosschain/inTxHashToCctxData/{hash} endpoint is now /zeta-chain/crosschain/inboundHashToCctxData/{hash}
    • InTxHashToCctxAll has been renamed to InboundHashToCctxAll
      • /zeta-chain/crosschain/inTxHashToCctx endpoint is now /zeta-chain/crosschain/inboundHashToCctx

• MsgUpdateZRC20 has been removed, and replaced with MsgPauseZRC20 and MsgUnpauseZRC20 messages.

  • MsgPauseZRC20 message pauses a ZRC20 token and can be triggered via PolicyType_groupEmergency
  • MsgUnpauseZRC20 message unpauses a ZRC20 token and can be triggered via PolicyType_groupOperational

MsgAddBlameVote renaming

• MsgAddBlameVote has been renamed to MsgVoteBlame to maintain consistency with other voting messages

Chain.ChainName deprecated

• Chain.ChainName has been deprecated and will be removed from the Chain structure. The Chain.Name should be used instead.