mpc

package

v0.3.1 Latest Latest Go to latest Published: Aug 12, 2025 License: Apache-2.0 Imports: 33 Imported by: 0

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Valid go.mod file
Redistributable license
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Stable version
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Repository

github.com/fystack/mpcium

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Documentation ¶

Index ¶

Constants
Variables
func ComparePartyIDs(x, y *tss.PartyID) bool
func ComposeReadyKey(nodeID string) string
func IsReshareRound(roundMsg string) bool
func NewECDSAReshareSession(walletID string, pubSub messaging.PubSub, direct messaging.DirectMessaging, ...) *ecdsaReshareSession
func NewEDDSAReshareSession(walletID string, pubSub messaging.PubSub, direct messaging.DirectMessaging, ...) *eddsaReshareSession
func NewRegistry(nodeID string, peerNodeIDs []string, consulKV infra.ConsulKV) *registry
func PartyIDToRoutingDest(partyID *tss.PartyID) string
type GetRoundFunc
type ID
type KeyComposerFn
type KeyGenSession
type KeyType
type Node
- func NewNode(nodeID string, peerIDs []string, pubSub messaging.PubSub, ...) *Node
- func (p *Node) Close()
- func (p *Node) CreateKeyGenSession(sessionType SessionType, walletID string, threshold int, ...) (KeyGenSession, error)
- func (p *Node) CreateReshareSession(sessionType SessionType, walletID string, newThreshold int, ...) (ReshareSession, error)
- func (p *Node) CreateSigningSession(sessionType SessionType, walletID string, txID string, ...) (SigningSession, error)
- func (p *Node) ID() string
type PeerRegistry
type ReshareSession
type RoundInfo
- func GetEcdsaMsgRound(msg []byte, partyID *tss.PartyID, isBroadcast bool) (RoundInfo, error)
- func GetEddsaMsgRound(msg []byte, partyID *tss.PartyID, isBroadcast bool) (RoundInfo, error)
type Session
type SessionType
type SigningSession
type TopicComposer

Constants ¶

View Source

const (
	KEYGEN1               = "KGRound1Message"
	KEYGEN2aUnicast       = "KGRound2Message1"
	KEYGEN2b              = "KGRound2Message2"
	KEYGEN3               = "KGRound3Message"
	KEYSIGN1aUnicast      = "SignRound1Message1"
	KEYSIGN1b             = "SignRound1Message2"
	KEYSIGN2Unicast       = "SignRound2Message"
	KEYSIGN3              = "SignRound3Message"
	KEYSIGN4              = "SignRound4Message"
	KEYSIGN5              = "SignRound5Message"
	KEYSIGN6              = "SignRound6Message"
	KEYSIGN7              = "SignRound7Message"
	KEYSIGN8              = "SignRound8Message"
	KEYSIGN9              = "SignRound9Message"
	KEYRESHARING1Unicast  = "DGRound1Message"
	KEYRESHARING2aUnicast = "DGRound2Message1"
	KEYRESHARING2bUnicast = "DGRound2Message2"
	KEYRESHARING3aUnicast = "DGRound3Message1"
	KEYRESHARING3b        = "DGRound3Message2"
	KEYRESHARING4a        = "DGRound4Message1"
	KEYRESHARING4bUnicast = "DGRound4Message2"

	TSSKEYGENROUNDS  = 4
	TSSKEYSIGNROUNDS = 10
)

View Source

const (
	EDDSA_KEYGEN1            = "KGRound1Message"
	EDDSA_KEYGEN2aUnicast    = "KGRound2Message1"
	EDDSA_KEYGEN2b           = "KGRound2Message2"
	EDDSA_KEYSIGN1           = "SignRound1Message"
	EDDSA_KEYSIGN2           = "SignRound2Message"
	EDDSA_KEYSIGN3           = "SignRound3Message"
	EDDSA_RESHARING1         = "DGRound1Message"
	EDDSA_RESHARING2         = "DGRound2Message"
	EDDSA_RESHARING3aUnicast = "DGRound3Message1"
	EDDSA_RESHARING3bUnicast = "DGRound3Message2"
	EDDSA_RESHARING4         = "DGRound4Message"

	EDDSA_TSSKEYGENROUNDS  = 3
	EDDSA_TSSKEYSIGNROUNDS = 3
	EDDSA_RESHARINGROUNDS  = 4
)

View Source

const (
	PurposeKeygen  string = "keygen"
	PurposeSign    string = "sign"
	PurposeReshare string = "reshare"

	BackwardCompatibleVersion int = 0
	DefaultVersion            int = 1
)

View Source

const (
	TypeGenerateWalletResultFmt = "mpc.mpc_keygen_result.%s"
	TypeReshareWalletResultFmt  = "mpc.mpc_reshare_result.%s"
	TypeSigningResultFmt        = "mpc.mpc_signing_result.%s"

	SessionTypeECDSA SessionType = "session_ecdsa"
	SessionTypeEDDSA SessionType = "session_eddsa"
)

View Source

const (
	ReadinessCheckPeriod = 1 * time.Second
)

Variables ¶

View Source

var (
	ErrNotEnoughParticipants = errors.New("Not enough participants to sign")
	ErrNotInParticipantList  = errors.New("Node is not in the participant list")
)

Functions ¶

func ComparePartyIDs ¶

func ComparePartyIDs(x, y *tss.PartyID) bool

func ComposeReadyKey ¶

func ComposeReadyKey(nodeID string) string

func IsReshareRound ¶ added in v0.3.0

func IsReshareRound(roundMsg string) bool

func NewECDSAReshareSession ¶ added in v0.3.0

func NewECDSAReshareSession(
	walletID string,
	pubSub messaging.PubSub,
	direct messaging.DirectMessaging,
	participantPeerIDs []string,
	selfID *tss.PartyID,
	oldPartyIDs []*tss.PartyID,
	newPartyIDs []*tss.PartyID,
	threshold int,
	newThreshold int,
	preParams *keygen.LocalPreParams,
	kvstore kvstore.KVStore,
	keyinfoStore keyinfo.Store,
	resultQueue messaging.MessageQueue,
	identityStore identity.Store,
	newPeerIDs []string,
	isNewParty bool,
	version int,
) *ecdsaReshareSession

func NewEDDSAReshareSession ¶ added in v0.3.0

func NewEDDSAReshareSession(
	walletID string,
	pubSub messaging.PubSub,
	direct messaging.DirectMessaging,
	participantPeerIDs []string,
	selfID *tss.PartyID,
	oldPartyIDs []*tss.PartyID,
	newPartyIDs []*tss.PartyID,
	threshold int,
	newThreshold int,
	kvstore kvstore.KVStore,
	keyinfoStore keyinfo.Store,
	resultQueue messaging.MessageQueue,
	identityStore identity.Store,
	newPeerIDs []string,
	isNewParty bool,
	version int,
) *eddsaReshareSession

func NewRegistry ¶

func NewRegistry(
	nodeID string,
	peerNodeIDs []string,
	consulKV infra.ConsulKV,
) *registry

func PartyIDToRoutingDest ¶ added in v0.3.0

func PartyIDToRoutingDest(partyID *tss.PartyID) string

Types ¶

type GetRoundFunc ¶

type GetRoundFunc func(msg []byte, partyID *tss.PartyID, isBroadcast bool) (RoundInfo, error)

type ID ¶

type ID string

type KeyComposerFn ¶

type KeyComposerFn func(id string) string

type KeyGenSession ¶ added in v0.3.0

type KeyGenSession interface {
	Session

	Init()
	GenerateKey(done func())
	GetPubKeyResult() []byte
}

type KeyType ¶

type KeyType string

const (
	KeyTypeSecp256k1 KeyType = "secp256k1"
	KeyTypeEd25519   KeyType = "ed25519"
)

type Node ¶

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

func NewNode ¶

func NewNode(
	nodeID string,
	peerIDs []string,
	pubSub messaging.PubSub,
	direct messaging.DirectMessaging,
	kvstore kvstore.KVStore,
	keyinfoStore keyinfo.Store,
	peerRegistry PeerRegistry,
	identityStore identity.Store,
) *Node

func (*Node) Close ¶

func (p *Node) Close()

func (*Node) CreateKeyGenSession ¶

func (p *Node) CreateKeyGenSession(
	sessionType SessionType,
	walletID string,
	threshold int,
	resultQueue messaging.MessageQueue,
) (KeyGenSession, error)

func (*Node) CreateReshareSession ¶ added in v0.3.0

func (p *Node) CreateReshareSession(
	sessionType SessionType,
	walletID string,
	newThreshold int,
	newPeerIDs []string,
	isNewPeer bool,
	resultQueue messaging.MessageQueue,
) (ReshareSession, error)

func (*Node) CreateSigningSession ¶

func (p *Node) CreateSigningSession(
	sessionType SessionType,
	walletID string,
	txID string,
	networkInternalCode string,
	resultQueue messaging.MessageQueue,
	idempotentKey string,
) (SigningSession, error)

func (*Node) ID ¶

func (p *Node) ID() string

type PeerRegistry ¶

type PeerRegistry interface {
	Ready() error
	ArePeersReady() bool
	WatchPeersReady()
	// Resign is called by the node when it is going to shutdown
	Resign() error
	GetReadyPeersCount() int64
	GetReadyPeersIncludeSelf() []string // get ready peers include self
	GetTotalPeersCount() int64
}

type ReshareSession ¶ added in v0.3.0

type ReshareSession interface {
	Session
	Init() error
	Reshare(done func())
	GetPubKeyResult() []byte
}

type RoundInfo ¶

type RoundInfo struct {
	Index         int
	RoundMsg      string
	MsgIdentifier string
}

func GetEcdsaMsgRound ¶

func GetEcdsaMsgRound(msg []byte, partyID *tss.PartyID, isBroadcast bool) (RoundInfo, error)

func GetEddsaMsgRound ¶

func GetEddsaMsgRound(msg []byte, partyID *tss.PartyID, isBroadcast bool) (RoundInfo, error)

type Session ¶

type Session interface {
	ListenToIncomingMessageAsync()
	ErrChan() <-chan error
}

type SessionType ¶

type SessionType string

type SigningSession ¶

type SigningSession interface {
	Session

	Init(tx *big.Int) error
	Sign(onSuccess func(data []byte))
}

type TopicComposer ¶

type TopicComposer struct {
	ComposeBroadcastTopic func() string
	ComposeDirectTopic    func(nodeID string) string
}

Source Files ¶

View all Source files

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