common

type AccountStorage interface {
	// Must resolve information about the storage node
	// to its ID in system.
	ResolveKey(NodeInfo) (*user.ID, error)
}

type ContainerInfo interface {
	// Must return identifier of the container owner.
	Owner() user.ID
}

type ContainerStorage interface {
	// Must return information about the container by ID.
	ContainerInfo(cid.ID) (ContainerInfo, error)
}

type Exchanger interface {
	// Must transfer amount of GASe-12 from sender to recipient.
	//
	// Amount must be positive.
	Transfer(sender, recipient user.ID, amount *big.Int, details []byte)
}

type NodeInfo interface {
	// Must return storage price of the node for one epoch in GASe-12.
	Price() *big.Int

	// Must return public key of the node.
	PublicKey() []byte
}

type PlacementCalculator interface {
	// Must return information about the nodes from container by its ID of the given epoch.
	ContainerNodes(uint64, cid.ID) ([]NodeInfo, error)
}

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

type TransferTx struct {
	From, To user.ID

	Amount *big.Int
}