diff options
Diffstat (limited to 'vendor/github.com/dexon-foundation/dexon-consensus-core/core/types/dkg/dkg.go')
| -rw-r--r-- | vendor/github.com/dexon-foundation/dexon-consensus-core/core/types/dkg/dkg.go | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/vendor/github.com/dexon-foundation/dexon-consensus-core/core/types/dkg/dkg.go b/vendor/github.com/dexon-foundation/dexon-consensus-core/core/types/dkg/dkg.go deleted file mode 100644 index 4053c5a28..000000000 --- a/vendor/github.com/dexon-foundation/dexon-consensus-core/core/types/dkg/dkg.go +++ /dev/null @@ -1,194 +0,0 @@ -// Copyright 2018 The dexon-consensus Authors -// This file is part of the dexon-consensus library. -// -// The dexon-consensus library is free software: you can redistribute it -// and/or modify it under the terms of the GNU Lesser General Public License as -// published by the Free Software Foundation, either version 3 of the License, -// or (at your option) any later version. -// -// The dexon-consensus library is distributed in the hope that it will be -// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser -// General Public License for more details. -// -// You should have received a copy of the GNU Lesser General Public License -// along with the dexon-consensus library. If not, see -// <http://www.gnu.org/licenses/>. - -package dkg - -import ( - "bytes" - "encoding/json" - "fmt" - "io" - - "github.com/dexon-foundation/dexon/rlp" - - "github.com/dexon-foundation/dexon-consensus/common" - "github.com/dexon-foundation/dexon-consensus/core/crypto" - cryptoDKG "github.com/dexon-foundation/dexon-consensus/core/crypto/dkg" - "github.com/dexon-foundation/dexon-consensus/core/types" -) - -// PrivateShare describe a secret share in DKG protocol. -type PrivateShare struct { - ProposerID types.NodeID `json:"proposer_id"` - ReceiverID types.NodeID `json:"receiver_id"` - Round uint64 `json:"round"` - PrivateShare cryptoDKG.PrivateKey `json:"private_share"` - Signature crypto.Signature `json:"signature"` -} - -// Equal checks equality between two PrivateShare instances. -func (p *PrivateShare) Equal(other *PrivateShare) bool { - return p.ProposerID.Equal(other.ProposerID) && - p.ReceiverID.Equal(other.ReceiverID) && - p.Round == other.Round && - p.Signature.Type == other.Signature.Type && - bytes.Compare(p.Signature.Signature, other.Signature.Signature) == 0 && - bytes.Compare( - p.PrivateShare.Bytes(), other.PrivateShare.Bytes()) == 0 -} - -// MasterPublicKey decrtibe a master public key in DKG protocol. -type MasterPublicKey struct { - ProposerID types.NodeID `json:"proposer_id"` - Round uint64 `json:"round"` - DKGID cryptoDKG.ID `json:"dkg_id"` - PublicKeyShares cryptoDKG.PublicKeyShares `json:"public_key_shares"` - Signature crypto.Signature `json:"signature"` -} - -func (d *MasterPublicKey) String() string { - return fmt.Sprintf("MasterPublicKey[%s:%d]", - d.ProposerID.String()[:6], - d.Round) -} - -// Equal check equality of two DKG master public keys. -func (d *MasterPublicKey) Equal(other *MasterPublicKey) bool { - return d.ProposerID.Equal(other.ProposerID) && - d.Round == other.Round && - d.DKGID.GetHexString() == other.DKGID.GetHexString() && - d.PublicKeyShares.Equal(&other.PublicKeyShares) && - d.Signature.Type == other.Signature.Type && - bytes.Compare(d.Signature.Signature, other.Signature.Signature) == 0 -} - -type rlpMasterPublicKey struct { - ProposerID types.NodeID - Round uint64 - DKGID []byte - PublicKeyShares *cryptoDKG.PublicKeyShares - Signature crypto.Signature -} - -// EncodeRLP implements rlp.Encoder -func (d *MasterPublicKey) EncodeRLP(w io.Writer) error { - return rlp.Encode(w, rlpMasterPublicKey{ - ProposerID: d.ProposerID, - Round: d.Round, - DKGID: d.DKGID.GetLittleEndian(), - PublicKeyShares: &d.PublicKeyShares, - Signature: d.Signature, - }) -} - -// DecodeRLP implements rlp.Decoder -func (d *MasterPublicKey) DecodeRLP(s *rlp.Stream) error { - var dec rlpMasterPublicKey - if err := s.Decode(&dec); err != nil { - return err - } - - id, err := cryptoDKG.BytesID(dec.DKGID) - if err != nil { - return err - } - - *d = MasterPublicKey{ - ProposerID: dec.ProposerID, - Round: dec.Round, - DKGID: id, - PublicKeyShares: *dec.PublicKeyShares, - Signature: dec.Signature, - } - return err -} - -// NewMasterPublicKey returns a new MasterPublicKey instance. -func NewMasterPublicKey() *MasterPublicKey { - return &MasterPublicKey{ - PublicKeyShares: *cryptoDKG.NewEmptyPublicKeyShares(), - } -} - -// UnmarshalJSON implements json.Unmarshaller. -func (d *MasterPublicKey) UnmarshalJSON(data []byte) error { - type innertMasterPublicKey MasterPublicKey - d.PublicKeyShares = *cryptoDKG.NewEmptyPublicKeyShares() - return json.Unmarshal(data, (*innertMasterPublicKey)(d)) -} - -// Complaint describe a complaint in DKG protocol. -type Complaint struct { - ProposerID types.NodeID `json:"proposer_id"` - Round uint64 `json:"round"` - PrivateShare PrivateShare `json:"private_share"` - Signature crypto.Signature `json:"signature"` -} - -func (c *Complaint) String() string { - if c.IsNack() { - return fmt.Sprintf("DKGNackComplaint[%s:%d]%s", - c.ProposerID.String()[:6], c.Round, - c.PrivateShare.ProposerID.String()[:6]) - } - return fmt.Sprintf("Complaint[%s:%d]%v", - c.ProposerID.String()[:6], c.Round, c.PrivateShare) -} - -// Equal checks equality between two Complaint instances. -func (c *Complaint) Equal(other *Complaint) bool { - return c.ProposerID.Equal(other.ProposerID) && - c.Round == other.Round && - c.PrivateShare.Equal(&other.PrivateShare) && - c.Signature.Type == other.Signature.Type && - bytes.Compare(c.Signature.Signature, other.Signature.Signature) == 0 -} - -// PartialSignature describe a partial signature in DKG protocol. -type PartialSignature struct { - ProposerID types.NodeID `json:"proposer_id"` - Round uint64 `json:"round"` - Hash common.Hash `json:"hash"` - PartialSignature cryptoDKG.PartialSignature `json:"partial_signature"` - Signature crypto.Signature `json:"signature"` -} - -// Finalize describe a dig finalize message in DKG protocol. -type Finalize struct { - ProposerID types.NodeID `json:"proposer_id"` - Round uint64 `json:"round"` - Signature crypto.Signature `json:"signature"` -} - -func (final *Finalize) String() string { - return fmt.Sprintf("DKGFinal[%s:%d]", - final.ProposerID.String()[:6], - final.Round) -} - -// Equal check equality of two Finalize instances. -func (final *Finalize) Equal(other *Finalize) bool { - return final.ProposerID.Equal(other.ProposerID) && - final.Round == other.Round && - final.Signature.Type == other.Signature.Type && - bytes.Compare(final.Signature.Signature, other.Signature.Signature) == 0 -} - -// IsNack returns true if it's a nack complaint in DKG protocol. -func (c *Complaint) IsNack() bool { - return len(c.PrivateShare.Signature.Signature) == 0 -} |