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x/consensus

Abstract

Functionality to modify CometBFT's ABCI consensus params.

Contents

State

The x/consensus module keeps state of the consensus params from cometbft.:

Params

The consensus module stores it's params in state with the prefix of 0x05, it can be updated with governance or the address with authority.

  • Params: 0x05 | ProtocolBuffer(cometbft.ConsensusParams)
https://github.com/cosmos/cosmos-sdk/blob/release/v0.52.x/x/consensus/proto/cosmos/consensus/v1/consensus.proto#L9-L15

Keepers

The consensus module provides methods to Set and Get consensus params. It is recommended to use the x/consensus module keeper to get consensus params instead of accessing them through the context.

Messages

UpdateParams

Update consensus params.

https://github.com/cosmos/cosmos-sdk/blob/release/v0.52.x/x/consensus/proto/cosmos/consensus/v1/tx.proto#L23-L44

The message will fail under the following conditions:

  • The signer is not the set authority
  • Not all values are set

Events

The consensus module emits the following events:

Message Events

MsgUpdateParams

Type Attribute Key Attribute Value
string authority msg.Signer
string parameters consensus Parameters