consensus

type Chain interface {
	Order(env *cb.Envelope, configSeq uint64) error

	Configure(config *cb.Envelope, configSeq uint64) error

	WaitReady() error

	Errored() <-chan struct{}

	Start()

	Halt()
}

type Consenter interface {
	HandleChain(support ConsenterSupport, metadata *cb.Metadata) (Chain, error)
}

type ConsenterSupport interface {
	identity.SignerSerializer
	msgprocessor.Processor

	VerifyBlockSignature([]*protoutil.SignedData, *cb.ConfigEnvelope) error

	BlockCutter() blockcutter.Receiver

	SharedConfig() channelconfig.Orderer

	ChannelConfig() channelconfig.Channel

	CreateNextBlock(messages []*cb.Envelope) *cb.Block

	Block(number uint64) *cb.Block

	WriteBlock(block *cb.Block, encodedMetadataValue []byte)

	WriteConfigBlock(block *cb.Block, encodedMetadataValue []byte)

	Sequence() uint64

	ChannelID() string

	Height() uint64

	Append(block *cb.Block) error
}

type MetadataValidator interface {
	ValidateConsensusMetadata(oldMetadata, newMetadata []byte, newChannel bool) error
}

type NoOpMetadataValidator struct {
}