types

var (
	// ErrNoProposerAddress is returned when the proposer address is not set.
	ErrNoProposerAddress = errors.New("no proposer address")

	// ErrProposerVerificationFailed is returned when the proposer verification fails.
	ErrProposerVerificationFailed = errors.New("proposer verification failed")
)

var (
	// ErrMaxBytesCannotBeZero indicates that the block's MaxBytes cannot be 0.
	ErrMaxBytesCannotBeZero = errors.New("block.MaxBytes cannot be 0")

	// ErrMaxBytesInvalid indicates that the block's MaxBytes must be either -1 or greater than 0.
	ErrMaxBytesInvalid = errors.New("block.MaxBytes must be -1 or greater than 0")

	// ErrMaxBytesTooBig indicates that the block's MaxBytes exceeds the maximum allowed size.
	// See https://github.com/cometbft/cometbft/blob/2cd0d1a33cdb6a2c76e6e162d892624492c26290/types/params.go#L16
	ErrMaxBytesTooBig = errors.New("block.MaxBytes is bigger than the maximum permitted block size")

	// ErrMaxGasInvalid indicates that the block's MaxGas must be greater than or equal to -1.
	ErrMaxGasInvalid = errors.New("block.MaxGas must be greater or equal to -1")

	// ErrVoteExtensionsEnableHeightNegative indicates that the ABCI.VoteExtensionsEnableHeight cannot be negative.
	ErrVoteExtensionsEnableHeightNegative = errors.New("ABCI.VoteExtensionsEnableHeight cannot be negative")

	// ErrPubKeyTypesEmpty indicates that the Validator.PubKeyTypes length must be greater than 0.
	ErrPubKeyTypesEmpty = errors.New("len(Validator.PubKeyTypes) must be greater than 0")

	// ErrPubKeyTypeUnknown indicates an encounter with an unknown public key type.
	ErrPubKeyTypeUnknown = errors.New("unknown pubkey type")
)

var (
	// ErrNonAdjacentHeaders is returned when the headers are not adjacent.
	ErrNonAdjacentHeaders = errors.New("non-adjacent headers")

	// ErrLastHeaderHashMismatch is returned when the last header hash doesn't match.
	ErrLastHeaderHashMismatch = errors.New("last header hash mismatch")

	// ErrLastCommitHashMismatch is returned when the last commit hash doesn't match.
	ErrLastCommitHashMismatch = errors.New("last commit hash mismatch")
)

var (
	// ErrAggregatorSetHashMismatch is returned when the aggregator set hash
	// in the signed header doesn't match the hash of the validator set.
	ErrAggregatorSetHashMismatch = errors.New("aggregator set hash in signed header and hash of validator set do not match")

	// ErrSignatureVerificationFailed is returned when the signature
	// verification fails
	ErrSignatureVerificationFailed = errors.New("signature verification failed")

	// ErrInvalidValidatorSetLengthMismatch is returned when the validator set length is not exactly one
	ErrInvalidValidatorSetLengthMismatch = errors.New("must have exactly one validator (the centralized sequencer)")

	// ErrProposerAddressMismatch is returned when the proposer address in the signed header does not match the proposer address in the validator set
	ErrProposerAddressMismatch = errors.New("proposer address in SignedHeader does not match the proposer address in the validator set")

	// ErrProposerNotInValSet is returned when the proposer address in the validator set is not in the validator set
	ErrProposerNotInValSet = errors.New("proposer address in the validator set is not in the validator set")

	// ErrNoSignatures is returned when there are no signatures
	ErrNoSignatures = errors.New("no signatures")

	// ErrSignatureEmpty is returned when signature is empty
	ErrSignatureEmpty = errors.New("signature is empty")
)

var (
	// EmptyEvidenceHash is the hash of an empty EvidenceData
	EmptyEvidenceHash = new(cmtypes.EvidenceData).Hash()
)

var InitStateVersion = cmstate.Version{
	Consensus: cmversion.Consensus{
		Block: version.BlockProtocol,
		App:   0,
	},
	Software: version.TMCoreSemVer,
}