package drand

import (
	drand_proto "github.com/harmony-one/harmony/api/drand"
	"github.com/harmony-one/harmony/api/proto"
	"github.com/harmony-one/harmony/internal/utils"
)

// Constructs the init message
func (dRand *DRand) constructCommitMessage(vrf [32]byte, proof []byte) []byte {
	message := drand_proto.Message{}
	message.Type = drand_proto.MessageType_COMMIT
	message.SenderId = dRand.nodeID

	message.BlockHash = dRand.blockHash[:]
	message.Payload = append(vrf[:], proof...)

	marshaledMessage, err := dRand.signAndMarshalDRandMessage(&message)
	if err != nil {
		utils.GetLogInstance().Error("Failed to sign and marshal the commit message", "error", err)
	}
	return proto.ConstructDRandMessage(marshaledMessage)
}