cosmos-sdk/types/abci.go
2025-05-02 17:57:25 +00:00

99 lines
4.1 KiB
Go

package types
import (
abci "github.com/cometbft/cometbft/abci/types"
)
// ABCIHandlers aggregates all ABCI handlers needed for an application.
type ABCIHandlers struct {
InitChainer
CheckTxHandler
PreBlocker
BeginBlocker
EndBlocker
ProcessProposalHandler
PrepareProposalHandler
ExtendVoteHandler
VerifyVoteExtensionHandler
PrepareCheckStater
Precommiter
}
// InitChainer initializes application state at genesis
type InitChainer func(ctx Context, req *abci.RequestInitChain) (*abci.ResponseInitChain, error)
// PrepareCheckStater runs code during commit after the block has been committed, and the `checkState`
// has been branched for the new block.
type PrepareCheckStater func(ctx Context)
// Precommiter runs code during commit immediately before the `deliverState` is written to the `rootMultiStore`.
type Precommiter func(ctx Context)
// ProcessProposalHandler defines a function type alias for processing a proposer
type ProcessProposalHandler func(Context, *abci.RequestProcessProposal) (*abci.ResponseProcessProposal, error)
// PrepareProposalHandler defines a function type alias for preparing a proposal
type PrepareProposalHandler func(Context, *abci.RequestPrepareProposal) (*abci.ResponsePrepareProposal, error)
// CheckTxHandler defines a function type alias for executing logic before transactions are executed.
// `RunTx` is a function type alias for executing logic before transactions are executed.
// The passed in runtx does not override antehandlers, the execution mode is not passed into runtx to avoid overriding the execution mode.
type CheckTxHandler func(RunTx, *abci.RequestCheckTx) (*abci.ResponseCheckTx, error)
// ExtendVoteHandler defines a function type alias for extending a pre-commit vote.
type ExtendVoteHandler func(Context, *abci.RequestExtendVote) (*abci.ResponseExtendVote, error)
// VerifyVoteExtensionHandler defines a function type alias for verifying a
// pre-commit vote extension.
type VerifyVoteExtensionHandler func(Context, *abci.RequestVerifyVoteExtension) (*abci.ResponseVerifyVoteExtension, error)
// PreBlocker runs code before the `BeginBlocker` and defines a function type alias for executing logic right
// before FinalizeBlock is called (but after its context has been set up). It is
// intended to allow applications to perform computation on vote extensions and
// persist their results in state.
//
// Note: returning an error will make FinalizeBlock fail.
type PreBlocker func(Context, *abci.RequestFinalizeBlock) (*ResponsePreBlock, error)
// BeginBlocker defines a function type alias for executing application
// business logic before transactions are executed.
//
// Note: The BeginBlock ABCI method no longer exists in the ABCI specification
// as of CometBFT v0.38.0. This function type alias is provided for backwards
// compatibility with applications that still use the BeginBlock ABCI method
// and allows for existing BeginBlock functionality within applications.
type BeginBlocker func(Context) (BeginBlock, error)
// EndBlocker defines a function type alias for executing application
// business logic after transactions are executed but before committing.
//
// Note: The EndBlock ABCI method no longer exists in the ABCI specification
// as of CometBFT v0.38.0. This function type alias is provided for backwards
// compatibility with applications that still use the EndBlock ABCI method
// and allows for existing EndBlock functionality within applications.
type EndBlocker func(Context) (EndBlock, error)
// EndBlock defines a type which contains endblock events and validator set updates
type EndBlock struct {
ValidatorUpdates []abci.ValidatorUpdate
Events []abci.Event
}
// BeginBlock defines a type which contains beginBlock events
type BeginBlock struct {
Events []abci.Event
}
type ResponsePreBlock struct {
ConsensusParamsChanged bool
}
func (r ResponsePreBlock) IsConsensusParamsChanged() bool {
return r.ConsensusParamsChanged
}
type RunTx = func(txBytes []byte, tx Tx) (gInfo GasInfo, result *Result, anteEvents []abci.Event, err error)
// PeerFilter responds to p2p filtering queries from Tendermint
type PeerFilter func(info string) *abci.ResponseQuery