github.com/koko1123/flow-go-1@v0.29.6/state/protocol/dkg.go (about)

     1  package protocol
     2  
     3  import (
     4  	"github.com/koko1123/flow-go-1/model/flow"
     5  	"github.com/onflow/flow-go/crypto"
     6  )
     7  
     8  // DKG represents the result of running the distributed key generation
     9  // procedure for the random beacon.
    10  type DKG interface {
    11  
    12  	// Size is the number of members in the DKG.
    13  	Size() uint
    14  
    15  	// GroupKey is the group public key.
    16  	GroupKey() crypto.PublicKey
    17  
    18  	// Index returns the index for the given node.
    19  	// Error Returns:
    20  	// * protocol.IdentityNotFoundError if nodeID is not a valid DKG participant.
    21  	Index(nodeID flow.Identifier) (uint, error)
    22  
    23  	// KeyShare returns the public key share for the given node.
    24  	// Error Returns:
    25  	// * protocol.IdentityNotFoundError if nodeID is not a valid DKG participant.
    26  	KeyShare(nodeID flow.Identifier) (crypto.PublicKey, error)
    27  }