snow

type Acceptor interface {
	// Accept must be called before [containerID] is committed to the VM as
	// accepted.
	//
	// If the returned error is non-nil, the chain associated with [ctx] should
	// shut down and not commit [container] or any other container to its
	// database as accepted.
	Accept(ctx *ConsensusContext, containerID ids.ID, container []byte) error
}

type AcceptorGroup interface {
	// Calling Accept() calls all of the registered acceptors for the relevant
	// chain.
	Acceptor

	// RegisterAcceptor causes [acceptor] to be called every time an operation
	// is accepted on chain [chainID].
	// If [dieOnError], chain [chainID] stops if Accept returns a non-nil error.
	RegisterAcceptor(chainID ids.ID, acceptorName string, acceptor Acceptor, dieOnError bool) error

	// DeregisterAcceptor removes an acceptor from the group.
	DeregisterAcceptor(chainID ids.ID, acceptorName string) error
}

type AcceptorTracker struct {
	// contains filtered or unexported fields
}

type ConsensusContext struct {
	*Context

	Registerer prometheus.Registerer

	// DecisionAcceptor is the callback that will be fired whenever a VM is
	// notified that their object, either a block in snowman or a transaction
	// in coinflect, was accepted.
	DecisionAcceptor Acceptor

	// ConsensusAcceptor is the callback that will be fired whenever a
	// container, either a block in snowman or a vertex in coinflect, was
	// accepted.
	ConsensusAcceptor Acceptor
	// contains filtered or unexported fields
}

type Context struct {
	NetworkID uint32
	SubnetID  ids.ID
	ChainID   ids.ID
	NodeID    ids.NodeID

	XChainID    ids.ID
	CFLTAssetID ids.ID

	Log          logging.Logger
	Lock         sync.RWMutex
	Keystore     keystore.BlockchainKeystore
	SharedMemory atomic.SharedMemory
	BCLookup     ids.AliaserReader
	SNLookup     SubnetLookup
	Metrics      metrics.OptionalGatherer

	// snowman++ attributes
	ValidatorState    validators.State  // interface for CC-Chain validators
	StakingLeafSigner crypto.Signer     // block signer
	StakingCertLeaf   *x509.Certificate // block certificate
}

type ContextInitializable interface {
	// InitCtx initializes an object provided a *Context object
	InitCtx(ctx *Context)
}

type State uint8

type SubnetLookup interface {
	SubnetID(chainID ids.ID) (ids.ID, error)
}