tvm

package
v1.22.40 Latest Latest
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 Go to latest Published: Dec 21, 2025 License: BSD-3-Clause Imports: 35 Imported by: 0

Documentation

Overview

Package tvm implements the Threshold VM (T-Chain) - MPC as a service for all Lux chains

Index

Constants

View Source 
const (
	OpTypeKeygen  = "keygen"
	OpTypeSign    = "sign"
	OpTypeReshare = "reshare"
	OpTypeRefresh = "refresh"
)

Operation types

View Source 
const (
	RPCErrorInvalidRequest   = -32600
	RPCErrorMethodNotFound   = -32601
	RPCErrorInvalidParams    = -32602
	RPCErrorInternal         = -32603
	RPCErrorMPCNotReady      = -32001
	RPCErrorUnauthorized     = -32002
	RPCErrorQuotaExceeded    = -32003
	RPCErrorSessionNotFound  = -32004
	RPCErrorKeyNotFound      = -32005
	RPCErrorProtocolNotFound = -32006
	RPCErrorKeygenInProgress = -32007
	RPCErrorInvalidProtocol  = -32008
)

Error codes

Variables

View Source 
var (
	Version = &version.Semantic{
		Major: 1,
		Minor: 0,
		Patch: 0,
	}

	// Error definitions
	ErrNotInitialized      = errors.New("MPC not initialized")
	ErrKeygenInProgress    = errors.New("keygen already in progress")
	ErrSigningInProgress   = errors.New("signing session already in progress")
	ErrInvalidThreshold    = errors.New("invalid threshold configuration")
	ErrInsufficientParties = errors.New("insufficient parties for operation")
	ErrSessionNotFound     = errors.New("session not found")
	ErrSessionExpired      = errors.New("session expired")
	ErrUnauthorizedChain   = errors.New("unauthorized chain")
	ErrQuotaExceeded       = errors.New("signing quota exceeded")
	ErrInvalidSignature    = errors.New("invalid signature")
	ErrKeyNotFound         = errors.New("key not found")
)
View Source 
var Codec codec.Manager

Codec is the codec for the threshold VM

View Source 
var ErrInvalidOperation = &BlockError{Message: "invalid operation"}
View Source 
var VMID = ids.ID{'t', 'h', 'r', 'e', 's', 'h', 'o', 'l', 'd', 'v', 'm', 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}

VMID is the unique identifier for ThresholdVM (T-Chain)

Functions

This section is empty.

Types

type BLSHandler 

type BLSHandler struct{}

BLSHandler implements ProtocolHandler for BLS threshold signatures

func (*BLSHandler) Keygen 

func (h *BLSHandler) Keygen(ctx context.Context, partyID party.ID, partyIDs []party.ID, threshold int) (KeyShare, error)

func (*BLSHandler) Name 

func (h *BLSHandler) Name() Protocol

func (*BLSHandler) Refresh 

func (h *BLSHandler) Refresh(ctx context.Context, share KeyShare) (KeyShare, error)

func (*BLSHandler) Reshare 

func (h *BLSHandler) Reshare(ctx context.Context, share KeyShare, newPartyIDs []party.ID, newThreshold int) (KeyShare, error)

func (*BLSHandler) Sign 

func (h *BLSHandler) Sign(ctx context.Context, share KeyShare, message []byte, signers []party.ID) (Signature, error)

func (*BLSHandler) SupportedCurves 

func (h *BLSHandler) SupportedCurves() []string

func (*BLSHandler) Verify 

func (h *BLSHandler) Verify(pubKey []byte, message []byte, signature Signature) (bool, error)

type BatchSignParams 

type BatchSignParams struct {
	KeyID           string   `json:"keyId"`
	MessageHashes   []string `json:"messageHashes"` // Hex encoded
	RequestingChain string   `json:"requestingChain"`
}

BatchSignParams contains parameters for batch signing

type BatchSignResult 

type BatchSignResult struct {
	SessionIDs []string `json:"sessionIds"`
	Status     string   `json:"status"`
}

BatchSignResult contains batch signing results

type Block 

type Block struct {
	ID_            ids.ID       `json:"id"`
	ParentID_      ids.ID       `json:"parentId"`
	BlockHeight    uint64       `json:"height"`
	BlockTimestamp int64        `json:"timestamp"`
	Operations     []*Operation `json:"operations"`
	// contains filtered or unexported fields
}

Block represents a T-Chain block

func (*Block) Accept 

func (b *Block) Accept(ctx context.Context) error

Accept marks the block as accepted

func (*Block) Bytes 

func (b *Block) Bytes() []byte

Bytes returns the block's serialized bytes

func (*Block) ChoicesStatus 

func (b *Block) ChoicesStatus() choices.Status

ChoicesStatus returns the block's status as choices.Status

func (*Block) Height 

func (b *Block) Height() uint64

Height returns the block's height

func (*Block) ID 

func (b *Block) ID() ids.ID

ID returns the block's ID

func (*Block) Parent 

func (b *Block) Parent() ids.ID

Parent returns the parent block's ID (legacy)

func (*Block) ParentID 

func (b *Block) ParentID() ids.ID

ParentID returns the parent block's ID (implements block.Block interface)

func (*Block) Reject 

func (b *Block) Reject(ctx context.Context) error

Reject marks the block as rejected

func (*Block) SetStatus 

func (b *Block) SetStatus(status choices.Status)

SetStatus sets the block's status

func (*Block) Status 

func (b *Block) Status() uint8

Status returns the block's status as uint8 (implements block.Block interface)

func (*Block) Timestamp 

func (b *Block) Timestamp() time.Time

Timestamp returns the block's timestamp

func (*Block) Verify 

func (b *Block) Verify(ctx context.Context) error

Verify verifies the block is valid

type BlockError 

type BlockError struct {
	Message string
}

func (*BlockError) Error 

func (e *BlockError) Error() string

type CGGMP21Handler 

type CGGMP21Handler struct {
	// contains filtered or unexported fields
}

CGGMP21Handler implements ProtocolHandler for CGGMP21/CMP

func (*CGGMP21Handler) Keygen 

func (h *CGGMP21Handler) Keygen(ctx context.Context, partyID party.ID, partyIDs []party.ID, threshold int) (KeyShare, error)

func (*CGGMP21Handler) Name 

func (h *CGGMP21Handler) Name() Protocol

func (*CGGMP21Handler) Refresh 

func (h *CGGMP21Handler) Refresh(ctx context.Context, share KeyShare) (KeyShare, error)

func (*CGGMP21Handler) Reshare 

func (h *CGGMP21Handler) Reshare(ctx context.Context, share KeyShare, newPartyIDs []party.ID, newThreshold int) (KeyShare, error)

func (*CGGMP21Handler) Sign 

func (h *CGGMP21Handler) Sign(ctx context.Context, share KeyShare, message []byte, signers []party.ID) (Signature, error)

func (*CGGMP21Handler) SupportedCurves 

func (h *CGGMP21Handler) SupportedCurves() []string

func (*CGGMP21Handler) Verify 

func (h *CGGMP21Handler) Verify(pubKey []byte, message []byte, signature Signature) (bool, error)

type CMPKeyShare added in v1.22.21 

type CMPKeyShare struct {
	Config *cmpconfig.Config
}

CMPKeyShare wraps cmpconfig.Config to implement KeyShare.

func (*CMPKeyShare) Generation added in v1.22.21 

func (s *CMPKeyShare) Generation() uint64

Generation returns the key generation number.

func (*CMPKeyShare) PartyID added in v1.22.21 

func (s *CMPKeyShare) PartyID() party.ID

PartyID returns this party's ID.

func (*CMPKeyShare) Protocol added in v1.22.21 

func (s *CMPKeyShare) Protocol() Protocol

Protocol returns which protocol this share is for.

func (*CMPKeyShare) PublicKey added in v1.22.21 

func (s *CMPKeyShare) PublicKey() []byte

PublicKey returns the group public key.

func (*CMPKeyShare) Serialize added in v1.22.21 

func (s *CMPKeyShare) Serialize() ([]byte, error)

Serialize converts the share to bytes for storage.

func (*CMPKeyShare) Threshold added in v1.22.21 

func (s *CMPKeyShare) Threshold() int

Threshold returns the threshold t.

func (*CMPKeyShare) TotalParties added in v1.22.21 

func (s *CMPKeyShare) TotalParties() int

TotalParties returns total parties n.

type CancelSessionParams 

type CancelSessionParams struct {
	SessionID string `json:"sessionId"`
}

CancelSessionParams contains parameters for canceling a session

type ChainPermissions 

type ChainPermissions struct {
	ChainID           string   `json:"chainId"`
	ChainName         string   `json:"chainName"`
	CanSign           bool     `json:"canSign"`           // Can request signatures
	CanKeygen         bool     `json:"canKeygen"`         // Can request new key generation
	CanReshare        bool     `json:"canReshare"`        // Can request key resharing
	AllowedKeyTypes   []string `json:"allowedKeyTypes"`   // secp256k1, ed25519, etc.
	MaxSigningSize    int      `json:"maxSigningSize"`    // Max message size to sign
	RequirePreHash    bool     `json:"requirePreHash"`    // Require pre-hashed messages
	DailySigningLimit uint64   `json:"dailySigningLimit"` // Override global quota
}

ChainPermissions defines what a chain can do with MPC services

type Client 

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

Client provides access to T-Chain MPC services

func NewClient 

func NewClient(endpoint, chainID string) *Client

NewClient creates a new T-Chain client

func (*Client) BatchSign 

func (c *Client) BatchSign(ctx context.Context, keyID string, messageHashes [][]byte) ([]string, error)

BatchSign requests multiple signatures

func (*Client) GetAddress 

func (c *Client) GetAddress(ctx context.Context, keyID string) ([]byte, error)

GetAddress retrieves the address for a key ID

func (*Client) GetInfo 

func (c *Client) GetInfo(ctx context.Context) (*ThresholdInfo, error)

GetInfo retrieves T-Chain information

func (*Client) GetKey 

func (c *Client) GetKey(ctx context.Context, keyID string) (*KeyInfo, error)

GetKey retrieves key information

func (*Client) GetKeygenStatus 

func (c *Client) GetKeygenStatus(ctx context.Context, sessionID string) (*KeygenResponse, error)

GetKeygenStatus retrieves the status of a keygen session

func (*Client) GetProtocolInfo 

func (c *Client) GetProtocolInfo(ctx context.Context, protocol string) (*ProtocolInfo, error)

GetProtocolInfo retrieves info for a specific protocol

func (*Client) GetProtocols 

func (c *Client) GetProtocols(ctx context.Context) ([]ProtocolInfo, error)

GetProtocols retrieves all supported protocols

func (*Client) GetPublicKey 

func (c *Client) GetPublicKey(ctx context.Context, keyID string) ([]byte, error)

GetPublicKey retrieves the public key for a key ID

func (*Client) GetQuota 

func (c *Client) GetQuota(ctx context.Context) (*QuotaInfo, error)

GetQuota retrieves quota information for this chain

func (*Client) GetSignature 

func (c *Client) GetSignature(ctx context.Context, sessionID string) (*SignatureResponse, error)

GetSignature retrieves a signature from T-Chain

func (*Client) GetStats 

func (c *Client) GetStats(ctx context.Context) (*NetworkStats, error)

GetStats retrieves T-Chain statistics

func (*Client) Health 

func (c *Client) Health(ctx context.Context) (map[string]interface{}, error)

Health retrieves T-Chain health status

func (*Client) IsReady 

func (c *Client) IsReady(ctx context.Context) (bool, error)

IsReady checks if T-Chain MPC is ready

func (*Client) Keygen 

func (c *Client) Keygen(ctx context.Context, req KeygenRequest) (*KeygenResponse, error)

Keygen initiates key generation on T-Chain

func (*Client) ListKeys 

func (c *Client) ListKeys(ctx context.Context) ([]KeyInfo, error)

ListKeys lists all keys on T-Chain

func (*Client) Refresh 

func (c *Client) Refresh(ctx context.Context, keyID string) (*KeygenResponse, error)

Refresh triggers key refresh

func (*Client) Reshare 

func (c *Client) Reshare(ctx context.Context, keyID string, newPartyIDs []string, newThreshold int) (*KeygenResponse, error)

Reshare triggers key resharing

func (*Client) Sign 

func (c *Client) Sign(ctx context.Context, req SignRequest) (*SignResponse, error)

Sign requests a signature from T-Chain

func (*Client) SignAndWait 

func (c *Client) SignAndWait(ctx context.Context, req SignRequest, timeout time.Duration) (*SignatureResponse, error)

SignAndWait signs a message and waits for completion

func (*Client) WaitForKeygen 

func (c *Client) WaitForKeygen(ctx context.Context, sessionID string, timeout time.Duration) (*KeygenResponse, error)

WaitForKeygen waits for keygen to complete

func (*Client) WaitForSignature 

func (c *Client) WaitForSignature(ctx context.Context, sessionID string, timeout time.Duration) (*SignatureResponse, error)

WaitForSignature waits for signature to complete

type CrossChainMPCRequest 

type CrossChainMPCRequest struct {
	Type            string `json:"type"` // sign, keygen, reshare
	RequestingChain string `json:"requestingChain"`
	KeyID           string `json:"keyId"`
	KeyType         string `json:"keyType,omitempty"`
	MessageHash     []byte `json:"messageHash,omitempty"`
	MessageType     string `json:"messageType,omitempty"`
}

CrossChainMPCRequest is the request format for cross-chain MPC operations

type ECDSASignature added in v1.22.21 

type ECDSASignature struct {
	R []byte
	S []byte
	V byte
}

ECDSASignature wraps ECDSA signature from threshold library.

type FROSTKeyShare added in v1.22.21 

type FROSTKeyShare struct {
	Config *frostconfig.Config
}

FROSTKeyShare wraps frostconfig.Config to implement KeyShare.

func (*FROSTKeyShare) Generation added in v1.22.21 

func (s *FROSTKeyShare) Generation() uint64

Generation returns the key generation number.

func (*FROSTKeyShare) PartyID added in v1.22.21 

func (s *FROSTKeyShare) PartyID() party.ID

PartyID returns this party's ID.

func (*FROSTKeyShare) Protocol added in v1.22.21 

func (s *FROSTKeyShare) Protocol() Protocol

Protocol returns which protocol this share is for.

func (*FROSTKeyShare) PublicKey added in v1.22.21 

func (s *FROSTKeyShare) PublicKey() []byte

PublicKey returns the group public key.

func (*FROSTKeyShare) Serialize added in v1.22.21 

func (s *FROSTKeyShare) Serialize() ([]byte, error)

Serialize converts the share to bytes for storage.

func (*FROSTKeyShare) Threshold added in v1.22.21 

func (s *FROSTKeyShare) Threshold() int

Threshold returns the threshold t.

func (*FROSTKeyShare) TotalParties added in v1.22.21 

func (s *FROSTKeyShare) TotalParties() int

TotalParties returns total parties n.

type Factory 

type Factory struct{}

Factory creates new ThresholdVM instances

func (*Factory) New 

func (f *Factory) New(logger log.Logger) (interface{}, error)

New returns a new instance of the ThresholdVM

type Genesis 

type Genesis struct {
	Timestamp int64 `json:"timestamp"`
}

Genesis represents the genesis state

type GetChainPermissionsParams 

type GetChainPermissionsParams struct {
	ChainID string `json:"chainId"`
}

GetChainPermissionsParams contains parameters for getting chain permissions

type GetKeyParams 

type GetKeyParams struct {
	KeyID string `json:"keyId"`
}

GetKeyParams contains parameters for getting a key

type GetKeygenStatusParams 

type GetKeygenStatusParams struct {
	SessionID string `json:"sessionId"`
}

GetKeygenStatusParams contains parameters for getting keygen status

type GetProtocolInfoParams 

type GetProtocolInfoParams struct {
	Protocol string `json:"protocol"`
}

GetProtocolInfoParams contains parameters for getting protocol info

type GetQuotaParams 

type GetQuotaParams struct {
	ChainID string `json:"chainId"`
}

GetQuotaParams contains parameters for getting quota

type GetSessionsParams 

type GetSessionsParams struct {
	ChainID string `json:"chainId,omitempty"`
	Status  string `json:"status,omitempty"`
	Limit   int    `json:"limit,omitempty"`
}

GetSessionsParams contains parameters for listing sessions

type GetSignatureParams 

type GetSignatureParams struct {
	SessionID string `json:"sessionId"`
}

GetSignatureParams contains parameters for getting a signature

type KeyInfo 

type KeyInfo struct {
	KeyID        string   `json:"keyId"`
	Protocol     string   `json:"protocol"`
	PublicKey    string   `json:"publicKey"`
	Address      string   `json:"address,omitempty"`
	Threshold    int      `json:"threshold"`
	TotalParties int      `json:"totalParties"`
	Generation   uint64   `json:"generation"`
	Status       string   `json:"status"`
	SignCount    uint64   `json:"signCount"`
	CreatedAt    int64    `json:"createdAt"`
	LastUsedAt   int64    `json:"lastUsedAt,omitempty"`
	PartyIDs     []string `json:"partyIds"`
}

KeyInfo contains key information

type KeyShare 

type KeyShare interface {
	// PublicKey returns the group public key
	PublicKey() []byte

	// PartyID returns this party's ID
	PartyID() party.ID

	// Threshold returns the threshold t
	Threshold() int

	// TotalParties returns total parties n
	TotalParties() int

	// Generation returns the key generation number
	Generation() uint64

	// Protocol returns which protocol this share is for
	Protocol() Protocol

	// Serialize converts the share to bytes for storage
	Serialize() ([]byte, error)
}

KeyShare represents a threshold key share (abstract)

type KeygenParams 

type KeygenParams struct {
	KeyID        string `json:"keyId"`
	Protocol     string `json:"protocol"`     // lss, cggmp21, bls, ringtail
	RequestedBy  string `json:"requestedBy"`  // Chain ID
	Threshold    int    `json:"threshold"`    // Optional override
	TotalParties int    `json:"totalParties"` // Optional override
}

KeygenParams contains parameters for key generation

type KeygenRequest 

type KeygenRequest struct {
	KeyID        string `json:"keyId"`
	Protocol     string `json:"protocol"`     // lss, cggmp21, bls, ringtail
	Threshold    int    `json:"threshold"`    // Optional
	TotalParties int    `json:"totalParties"` // Optional
}

KeygenRequest contains parameters for key generation

type KeygenResponse 

type KeygenResponse struct {
	SessionID    string `json:"sessionId"`
	KeyID        string `json:"keyId"`
	Protocol     string `json:"protocol"`
	Status       string `json:"status"`
	Threshold    int    `json:"threshold"`
	TotalParties int    `json:"totalParties"`
	StartedAt    int64  `json:"startedAt"`
}

KeygenResponse contains the keygen result

type KeygenResult 

type KeygenResult struct {
	SessionID    string `json:"sessionId"`
	KeyID        string `json:"keyId"`
	Protocol     string `json:"protocol"`
	Status       string `json:"status"`
	Threshold    int    `json:"threshold"`
	TotalParties int    `json:"totalParties"`
	StartedAt    int64  `json:"startedAt"`
}

KeygenResult contains the result of key generation

type KeygenSession 

type KeygenSession struct {
	SessionID    string     `json:"sessionId"`
	KeyID        string     `json:"keyId"`
	KeyType      string     `json:"keyType"`
	Threshold    int        `json:"threshold"`
	TotalParties int        `json:"totalParties"`
	PartyIDs     []party.ID `json:"partyIds"`
	Status       string     `json:"status"` // pending, running, completed, failed
	RequestedBy  string     `json:"requestedBy"`
	StartedAt    time.Time  `json:"startedAt"`
	CompletedAt  time.Time  `json:"completedAt,omitempty"`
	Error        string     `json:"error,omitempty"`
	ProtocolName Protocol   `json:"-"` // Our local Protocol type
}

KeygenSession tracks a key generation in progress

type LSSHandler 

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

LSSHandler implements ProtocolHandler for LSS

func (*LSSHandler) Keygen 

func (h *LSSHandler) Keygen(ctx context.Context, partyID party.ID, partyIDs []party.ID, threshold int) (KeyShare, error)

func (*LSSHandler) Name 

func (h *LSSHandler) Name() Protocol

func (*LSSHandler) Refresh 

func (h *LSSHandler) Refresh(ctx context.Context, share KeyShare) (KeyShare, error)

func (*LSSHandler) Reshare 

func (h *LSSHandler) Reshare(ctx context.Context, share KeyShare, newPartyIDs []party.ID, newThreshold int) (KeyShare, error)

func (*LSSHandler) Sign 

func (h *LSSHandler) Sign(ctx context.Context, share KeyShare, message []byte, signers []party.ID) (Signature, error)

func (*LSSHandler) SupportedCurves 

func (h *LSSHandler) SupportedCurves() []string

func (*LSSHandler) Verify 

func (h *LSSHandler) Verify(pubKey []byte, message []byte, signature Signature) (bool, error)

type LSSKeyShare added in v1.22.21 

type LSSKeyShare struct {
	Config *lssconfig.Config
}

LSSKeyShare wraps lssconfig.Config to implement KeyShare.

func (*LSSKeyShare) Generation added in v1.22.21 

func (s *LSSKeyShare) Generation() uint64

Generation returns the key generation number.

func (*LSSKeyShare) PartyID added in v1.22.21 

func (s *LSSKeyShare) PartyID() party.ID

PartyID returns this party's ID.

func (*LSSKeyShare) Protocol added in v1.22.21 

func (s *LSSKeyShare) Protocol() Protocol

Protocol returns which protocol this share is for.

func (*LSSKeyShare) PublicKey added in v1.22.21 

func (s *LSSKeyShare) PublicKey() []byte

PublicKey returns the group public key.

func (*LSSKeyShare) Serialize added in v1.22.21 

func (s *LSSKeyShare) Serialize() ([]byte, error)

Serialize converts the share to bytes for storage.

func (*LSSKeyShare) Threshold added in v1.22.21 

func (s *LSSKeyShare) Threshold() int

Threshold returns the threshold t.

func (*LSSKeyShare) TotalParties added in v1.22.21 

func (s *LSSKeyShare) TotalParties() int

TotalParties returns total parties n.

type ManagedKey 

type ManagedKey struct {
	KeyID        string            `json:"keyId"`
	KeyType      string            `json:"keyType"`      // secp256k1, ed25519
	PublicKey    []byte            `json:"publicKey"`    // Compressed public key
	Address      []byte            `json:"address"`      // Ethereum-style address (for secp256k1)
	Threshold    int               `json:"threshold"`    // t value
	TotalParties int               `json:"totalParties"` // n value
	Generation   uint64            `json:"generation"`   // Key generation number
	CreatedAt    time.Time         `json:"createdAt"`
	LastUsedAt   time.Time         `json:"lastUsedAt"`
	SignCount    uint64            `json:"signCount"` // Total signatures made
	Status       string            `json:"status"`    // active, rotating, expired
	Config       *lssconfig.Config `json:"-"`         // LSS configuration (not serialized)
	PartyIDs     []party.ID        `json:"partyIds"`
}

ManagedKey represents a threshold key managed by the T-Chain

type MessageRouter added in v1.22.21 

type MessageRouter interface {
	// Send sends a message to the specified party (or broadcasts if To is empty)
	Send(msg *protocol.Message) error
	// Receive returns a channel for receiving incoming messages
	Receive() <-chan *protocol.Message
}

MessageRouter defines the interface for routing MPC messages between parties.

type NetworkStats 

type NetworkStats struct {
	TotalSignatures    uint64            `json:"totalSignatures"`
	TotalKeygens       uint64            `json:"totalKeygens"`
	ActiveSessions     int               `json:"activeSessions"`
	SignaturesByChain  map[string]uint64 `json:"signaturesByChain"`
	AverageSigningTime int64             `json:"averageSigningTime"` // nanoseconds
	SuccessRate        float64           `json:"successRate"`
}

NetworkStats contains network statistics

type Operation 

type Operation struct {
	Type            string `json:"type"` // keygen, sign, reshare, refresh
	SessionID       string `json:"sessionId"`
	KeyID           string `json:"keyId"`
	Protocol        string `json:"protocol,omitempty"`
	RequestingChain string `json:"requestingChain,omitempty"`
	MessageHash     []byte `json:"messageHash,omitempty"`
	Signature       []byte `json:"signature,omitempty"`
	Timestamp       int64  `json:"timestamp"`
	Success         bool   `json:"success"`
	Error           string `json:"error,omitempty"`
}

Operation represents an MPC operation recorded in a block

type PartyInfo 

type PartyInfo struct {
	PartyID string `json:"partyId"`
	NodeID  string `json:"nodeId"`
	IsLocal bool   `json:"isLocal"`
	Active  bool   `json:"active"`
}

PartyInfo contains party information

type Protocol 

type Protocol string

Protocol represents a threshold signing protocol 

const (
	// ECDSA Threshold Protocols
	ProtocolLSS     Protocol = "lss"     // Lux Secret Sharing - optimized for Lux
	ProtocolCGGMP21 Protocol = "cggmp21" // Canetti-Gennaro-Goldfeder-Makriyannis-Peled 2021

	// BLS Threshold (for validators)
	ProtocolBLS Protocol = "bls" // BLS threshold signatures

	// Post-Quantum Threshold
	ProtocolRingtail Protocol = "ringtail" // Post-quantum lattice-based threshold

	// Experimental
	ProtocolFrost Protocol = "frost" // FROST (Flexible Round-Optimized Schnorr Threshold)
	ProtocolEDDSA Protocol = "eddsa" // EdDSA threshold (Ed25519)
)

type ProtocolConfig 

type ProtocolConfig struct {
	Protocol     Protocol        `json:"protocol"`
	Threshold    int             `json:"threshold"`    // t: number of parties required
	TotalParties int             `json:"totalParties"` // n: total parties
	Curve        string          `json:"curve"`        // secp256k1, ed25519, bls12-381, etc.
	Options      ProtocolOptions `json:"options"`
}

ProtocolConfig contains configuration for a specific protocol

type ProtocolExecutor added in v1.22.21 

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

ProtocolExecutor manages MPC protocol execution using the threshold library. It provides the bridge between ThresholdVM session management and the actual MPC protocol implementations.

func NewProtocolExecutor added in v1.22.21 

func NewProtocolExecutor(workerPool *pool.Pool, logger log.Logger) *ProtocolExecutor

NewProtocolExecutor creates a new protocol executor.

func (*ProtocolExecutor) AcceptMessage added in v1.22.21 

func (pe *ProtocolExecutor) AcceptMessage(sessionID string, msg *protocol.Message) error

AcceptMessage routes an incoming message to the appropriate handler.

func (*ProtocolExecutor) CMPKeygenStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) CMPKeygenStartFunc(
	selfID party.ID,
	participants []party.ID,
	threshold int,
) protocol.StartFunc

CMPKeygenStartFunc returns a StartFunc for CMP key generation.

func (*ProtocolExecutor) CMPRefreshStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) CMPRefreshStartFunc(config *cmpconfig.Config) protocol.StartFunc

CMPRefreshStartFunc returns a StartFunc for CMP key refresh.

func (*ProtocolExecutor) CMPSignStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) CMPSignStartFunc(
	config *cmpconfig.Config,
	signers []party.ID,
	messageHash []byte,
) protocol.StartFunc

CMPSignStartFunc returns a StartFunc for CMP signing.

func (*ProtocolExecutor) CreateHandler added in v1.22.21 

func (pe *ProtocolExecutor) CreateHandler(
	ctx context.Context,
	sessionID string,
	startFunc protocol.StartFunc,
) (*protocol.Handler, error)

CreateHandler creates a new protocol handler for a session.

func (*ProtocolExecutor) FROSTKeygenStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) FROSTKeygenStartFunc(
	selfID party.ID,
	participants []party.ID,
	threshold int,
) protocol.StartFunc

FROSTKeygenStartFunc returns a StartFunc for FROST key generation.

func (*ProtocolExecutor) FROSTKeygenTaprootStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) FROSTKeygenTaprootStartFunc(
	selfID party.ID,
	participants []party.ID,
	threshold int,
) protocol.StartFunc

FROSTKeygenTaprootStartFunc returns a StartFunc for FROST Taproot key generation.

func (*ProtocolExecutor) FROSTRefreshStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) FROSTRefreshStartFunc(
	config *frostconfig.Config,
	participants []party.ID,
) protocol.StartFunc

FROSTRefreshStartFunc returns a StartFunc for FROST key refresh.

func (*ProtocolExecutor) FROSTSignStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) FROSTSignStartFunc(
	config *frostconfig.Config,
	signers []party.ID,
	messageHash []byte,
) protocol.StartFunc

FROSTSignStartFunc returns a StartFunc for FROST signing.

func (*ProtocolExecutor) GetHandler added in v1.22.21 

func (pe *ProtocolExecutor) GetHandler(sessionID string) (*protocol.Handler, bool)

GetHandler retrieves an active handler by session ID.

func (*ProtocolExecutor) LSSKeygenStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) LSSKeygenStartFunc(
	selfID party.ID,
	participants []party.ID,
	threshold int,
) protocol.StartFunc

LSSKeygenStartFunc returns a StartFunc for LSS key generation.

func (*ProtocolExecutor) LSSRefreshStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) LSSRefreshStartFunc(config *lssconfig.Config) protocol.StartFunc

LSSRefreshStartFunc returns a StartFunc for LSS key refresh.

func (*ProtocolExecutor) LSSReshareStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) LSSReshareStartFunc(
	config *lssconfig.Config,
	newParticipants []party.ID,
	newThreshold int,
) protocol.StartFunc

LSSReshareStartFunc returns a StartFunc for LSS resharing.

func (*ProtocolExecutor) LSSSignStartFunc added in v1.22.21 

func (pe *ProtocolExecutor) LSSSignStartFunc(
	config *lssconfig.Config,
	signers []party.ID,
	messageHash []byte,
) protocol.StartFunc

LSSSignStartFunc returns a StartFunc for LSS signing.

func (*ProtocolExecutor) RemoveHandler added in v1.22.21 

func (pe *ProtocolExecutor) RemoveHandler(sessionID string)

RemoveHandler removes a handler from active tracking.

func (*ProtocolExecutor) RunCMPKeygen added in v1.22.21 

func (pe *ProtocolExecutor) RunCMPKeygen(
	ctx context.Context,
	sessionID string,
	selfID party.ID,
	participants []party.ID,
	threshold int,
	messageRouter MessageRouter,
) (*cmpconfig.Config, error)

RunCMPKeygen executes a complete CMP key generation protocol.

func (*ProtocolExecutor) RunFROSTKeygen added in v1.22.21 

func (pe *ProtocolExecutor) RunFROSTKeygen(
	ctx context.Context,
	sessionID string,
	selfID party.ID,
	participants []party.ID,
	threshold int,
	messageRouter MessageRouter,
) (*frostconfig.Config, error)

RunFROSTKeygen executes a complete FROST key generation protocol.

func (*ProtocolExecutor) RunLSSKeygen added in v1.22.21 

func (pe *ProtocolExecutor) RunLSSKeygen(
	ctx context.Context,
	sessionID string,
	selfID party.ID,
	participants []party.ID,
	threshold int,
	messageRouter MessageRouter,
) (*lssconfig.Config, error)

RunLSSKeygen executes a complete LSS key generation protocol. This is a convenience method that creates a handler and waits for completion. For multi-party scenarios, use CreateHandler and manage message routing manually.

func (*ProtocolExecutor) RunLSSSign added in v1.22.21 

func (pe *ProtocolExecutor) RunLSSSign(
	ctx context.Context,
	sessionID string,
	config *lssconfig.Config,
	signers []party.ID,
	messageHash []byte,
	messageRouter MessageRouter,
) (*ECDSASignature, error)

RunLSSSign executes a complete LSS signing protocol.

type ProtocolHandler 

type ProtocolHandler interface {
	// Keygen generates a new threshold key
	Keygen(ctx context.Context, partyID party.ID, partyIDs []party.ID, threshold int) (KeyShare, error)

	// Sign creates a threshold signature
	Sign(ctx context.Context, share KeyShare, message []byte, signers []party.ID) (Signature, error)

	// Verify verifies a threshold signature
	Verify(pubKey []byte, message []byte, signature Signature) (bool, error)

	// Reshare reshares the key to a new set of parties
	Reshare(ctx context.Context, share KeyShare, newPartyIDs []party.ID, newThreshold int) (KeyShare, error)

	// Refresh refreshes the key shares without changing the public key
	Refresh(ctx context.Context, share KeyShare) (KeyShare, error)

	// Name returns the protocol name
	Name() Protocol

	// SupportedCurves returns the curves this protocol supports
	SupportedCurves() []string
}

ProtocolHandler defines the interface for all threshold protocols. Real implementations are in github.com/luxfi/threshold (LSS, CMP, FROST). Use ProtocolExecutor in executor.go for actual protocol execution.

type ProtocolInfo 

type ProtocolInfo struct {
	Name            string   `json:"name"`
	Description     string   `json:"description"`
	SupportedCurves []string `json:"supportedCurves"`
	KeySize         int      `json:"keySize"`
	SignatureSize   int      `json:"signatureSize"`
	IsPostQuantum   bool     `json:"isPostQuantum"`
	SupportsReshare bool     `json:"supportsReshare"`
	SupportsRefresh bool     `json:"supportsRefresh"`
}

ProtocolInfo contains protocol information

func GetProtocolInfo 

func GetProtocolInfo() []ProtocolInfo

GetProtocolInfo returns information about all supported protocols

type ProtocolOptions 

type ProtocolOptions struct {
	// LSS Options
	LSSGeneration uint64 `json:"lssGeneration,omitempty"` // LSS generation number

	// CGGMP21 Options
	CMPPrecompute bool `json:"cmpPrecompute,omitempty"` // Enable precomputation for faster signing

	// BLS Options
	BLSScheme string `json:"blsScheme,omitempty"` // basic, min-pk, min-sig

	// Ringtail Options
	RingtailSecurityLevel int `json:"ringtailSecurityLevel,omitempty"` // 128, 192, 256

	// General Options
	TimeoutSeconds int  `json:"timeoutSeconds,omitempty"`
	RetryOnFailure bool `json:"retryOnFailure,omitempty"`
}

ProtocolOptions contains protocol-specific options

type ProtocolRegistry 

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

ProtocolRegistry manages available protocols

func NewProtocolRegistry 

func NewProtocolRegistry(workerPool *pool.Pool) *ProtocolRegistry

NewProtocolRegistry creates a new protocol registry

func (*ProtocolRegistry) Available 

func (r *ProtocolRegistry) Available() []Protocol

Available returns all available protocols

func (*ProtocolRegistry) Get 

func (r *ProtocolRegistry) Get(protocol Protocol) (ProtocolHandler, error)

Get retrieves a protocol handler

func (*ProtocolRegistry) Register 

func (r *ProtocolRegistry) Register(handler ProtocolHandler)

Register adds a protocol handler

type QuotaInfo 

type QuotaInfo struct {
	ChainID    string `json:"chainId"`
	DailyLimit uint64 `json:"dailyLimit"`
	UsedToday  uint64 `json:"usedToday"`
	Remaining  uint64 `json:"remaining"`
	ResetTime  int64  `json:"resetTime"`
}

QuotaInfo contains quota information

type RPCError 

type RPCError struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    interface{} `json:"data,omitempty"`
}

RPCError represents a JSON-RPC error

func (*RPCError) Error 

func (e *RPCError) Error() string

Error implements the error interface

type RPCRequest 

type RPCRequest struct {
	JSONRPC string          `json:"jsonrpc"`
	ID      interface{}     `json:"id"`
	Method  string          `json:"method"`
	Params  json.RawMessage `json:"params"`
}

RPCRequest represents a JSON-RPC request

type RPCResponse 

type RPCResponse struct {
	JSONRPC string      `json:"jsonrpc"`
	ID      interface{} `json:"id"`
	Result  interface{} `json:"result,omitempty"`
	Error   *RPCError   `json:"error,omitempty"`
}

RPCResponse represents a JSON-RPC response

type RefreshParams 

type RefreshParams struct {
	KeyID       string `json:"keyId"`
	RequestedBy string `json:"requestedBy"`
}

RefreshParams contains parameters for key refresh

type ReshareParams 

type ReshareParams struct {
	KeyID        string   `json:"keyId"`
	NewPartyIDs  []string `json:"newPartyIds"`
	NewThreshold int      `json:"newThreshold"`
	RequestedBy  string   `json:"requestedBy"`
}

ReshareParams contains parameters for key resharing

type RingtailHandler 

type RingtailHandler struct{}

RingtailHandler implements ProtocolHandler for post-quantum threshold signatures

func (*RingtailHandler) Keygen 

func (h *RingtailHandler) Keygen(ctx context.Context, partyID party.ID, partyIDs []party.ID, threshold int) (KeyShare, error)

func (*RingtailHandler) Name 

func (h *RingtailHandler) Name() Protocol

func (*RingtailHandler) Refresh 

func (h *RingtailHandler) Refresh(ctx context.Context, share KeyShare) (KeyShare, error)

func (*RingtailHandler) Reshare 

func (h *RingtailHandler) Reshare(ctx context.Context, share KeyShare, newPartyIDs []party.ID, newThreshold int) (KeyShare, error)

func (*RingtailHandler) Sign 

func (h *RingtailHandler) Sign(ctx context.Context, share KeyShare, message []byte, signers []party.ID) (Signature, error)

func (*RingtailHandler) SupportedCurves 

func (h *RingtailHandler) SupportedCurves() []string

func (*RingtailHandler) Verify 

func (h *RingtailHandler) Verify(pubKey []byte, message []byte, signature Signature) (bool, error)

type SchnorrSignature added in v1.22.21 

type SchnorrSignature struct {
	R []byte
	Z []byte
}

SchnorrSignature wraps Schnorr signature from FROST.

type SessionInfo 

type SessionInfo struct {
	SessionID       string `json:"sessionId"`
	Type            string `json:"type"` // keygen, sign, reshare
	KeyID           string `json:"keyId"`
	Status          string `json:"status"`
	RequestingChain string `json:"requestingChain,omitempty"`
	CreatedAt       int64  `json:"createdAt"`
	ExpiresAt       int64  `json:"expiresAt,omitempty"`
	CompletedAt     int64  `json:"completedAt,omitempty"`
	Error           string `json:"error,omitempty"`
}

SessionInfo contains session information

type SignParams 

type SignParams struct {
	KeyID           string `json:"keyId"`
	MessageHash     string `json:"messageHash"`     // Hex encoded
	MessageType     string `json:"messageType"`     // raw, eth_sign, typed_data
	RequestingChain string `json:"requestingChain"` // Chain ID requesting signature
}

SignParams contains parameters for signing

type SignRequest 

type SignRequest struct {
	KeyID       string `json:"keyId"`
	MessageHash []byte `json:"messageHash"`
	MessageType string `json:"messageType"` // raw, eth_sign, typed_data
}

SignRequest contains parameters for signing

type SignResponse 

type SignResponse struct {
	SessionID string `json:"sessionId"`
	KeyID     string `json:"keyId"`
	Status    string `json:"status"`
	CreatedAt int64  `json:"createdAt"`
	ExpiresAt int64  `json:"expiresAt"`
}

SignResponse contains the signing session info

type SignResult 

type SignResult struct {
	SessionID       string `json:"sessionId"`
	KeyID           string `json:"keyId"`
	Status          string `json:"status"`
	RequestingChain string `json:"requestingChain"`
	CreatedAt       int64  `json:"createdAt"`
	ExpiresAt       int64  `json:"expiresAt"`
}

SignResult contains the signing session info

type Signature 

type Signature interface {
	// Bytes returns the raw signature bytes
	Bytes() []byte

	// R returns R component (for ECDSA)
	R() *big.Int

	// S returns S component (for ECDSA)
	S() *big.Int

	// V returns recovery ID (for ECDSA/Ethereum)
	V() byte

	// Protocol returns which protocol created this signature
	Protocol() Protocol
}

Signature represents a threshold signature (abstract)

type SignatureResponse 

type SignatureResponse struct {
	SessionID     string   `json:"sessionId"`
	Status        string   `json:"status"`
	Signature     string   `json:"signature,omitempty"`
	R             string   `json:"r,omitempty"`
	S             string   `json:"s,omitempty"`
	V             int      `json:"v,omitempty"`
	SignerParties []string `json:"signerParties,omitempty"`
	CompletedAt   int64    `json:"completedAt,omitempty"`
	Error         string   `json:"error,omitempty"`
}

SignatureResponse contains a completed signature

type SignatureResult 

type SignatureResult struct {
	SessionID     string   `json:"sessionId"`
	Status        string   `json:"status"`
	Signature     string   `json:"signature,omitempty"` // Hex encoded
	R             string   `json:"r,omitempty"`         // Hex encoded
	S             string   `json:"s,omitempty"`         // Hex encoded
	V             int      `json:"v,omitempty"`         // Recovery ID
	SignerParties []string `json:"signerParties,omitempty"`
	CompletedAt   int64    `json:"completedAt,omitempty"`
	Error         string   `json:"error,omitempty"`
}

SignatureResult contains the completed signature

type SigningSession 

type SigningSession struct {
	SessionID       string          `json:"sessionId"`
	KeyID           string          `json:"keyId"`
	RequestingChain string          `json:"requestingChain"`
	MessageHash     []byte          `json:"messageHash"`
	MessageType     string          `json:"messageType"` // raw, eth_sign, typed_data
	Status          string          `json:"status"`      // pending, signing, completed, failed
	Signature       *ecdsaSignature `json:"signature,omitempty"`
	SignerParties   []party.ID      `json:"signerParties"`
	CreatedAt       time.Time       `json:"createdAt"`
	ExpiresAt       time.Time       `json:"expiresAt"`
	CompletedAt     time.Time       `json:"completedAt,omitempty"`
	Error           string          `json:"error,omitempty"`
	ProtocolName    Protocol        `json:"-"` // Our local Protocol type
}

SigningSession tracks a signing operation in progress

type ThresholdConfig 

type ThresholdConfig struct {
	// MPC Configuration
	Threshold    int `json:"threshold"`    // t: Threshold (t+1 parties needed)
	TotalParties int `json:"totalParties"` // n: Total number of MPC nodes

	// Session Configuration
	SessionTimeout      time.Duration `json:"sessionTimeout"`      // Max time for a signing session
	MaxActiveSessions   int           `json:"maxActiveSessions"`   // Max concurrent signing sessions
	MaxSessionsPerChain int           `json:"maxSessionsPerChain"` // Max sessions per requesting chain

	// Quota Configuration (daily limits)
	DailySigningQuota map[string]uint64 `json:"dailySigningQuota"` // ChainID -> daily signing limit

	// Authorized Chains that can request MPC services
	AuthorizedChains map[string]*ChainPermissions `json:"authorizedChains"`

	// Key Management
	KeyRotationPeriod time.Duration `json:"keyRotationPeriod"` // How often to rotate keys
	MaxKeyAge         time.Duration `json:"maxKeyAge"`         // Maximum age of a key before forced rotation
}

ThresholdConfig contains VM configuration

type ThresholdInfo 

type ThresholdInfo struct {
	Version            string   `json:"version"`
	NodeID             string   `json:"nodeId"`
	ChainID            string   `json:"chainId"`
	MPCReady           bool     `json:"mpcReady"`
	ActiveKeyID        string   `json:"activeKeyId,omitempty"`
	Threshold          int      `json:"threshold"`
	TotalParties       int      `json:"totalParties"`
	SupportedProtocols []string `json:"supportedProtocols"`
	AuthorizedChains   []string `json:"authorizedChains"`
	TotalKeys          int      `json:"totalKeys"`
	ActiveSessions     int      `json:"activeSessions"`
}

ThresholdInfo contains T-Chain information

type VM 

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

VM implements the Threshold VM for MPC-as-a-service

func (*VM) AppGossip 

func (vm *VM) AppGossip(ctx context.Context, nodeID ids.NodeID, msg []byte) error

AppGossip implements the common.VM interface

func (*VM) AppRequest 

func (vm *VM) AppRequest(ctx context.Context, nodeID ids.NodeID, requestID uint32, deadline time.Time, request []byte) error

AppRequest implements the common.VM interface

func (*VM) AppRequestFailed 

func (vm *VM) AppRequestFailed(ctx context.Context, nodeID ids.NodeID, requestID uint32, appErr *warp.Error) error

AppRequestFailed implements the common.VM interface

func (*VM) AppResponse 

func (vm *VM) AppResponse(ctx context.Context, nodeID ids.NodeID, requestID uint32, response []byte) error

AppResponse implements the common.VM interface

func (*VM) BuildBlock 

func (vm *VM) BuildBlock(ctx context.Context) (block.Block, error)

BuildBlock implements the block.ChainVM interface

func (*VM) Connected 

func (vm *VM) Connected(ctx context.Context, nodeID ids.NodeID, nodeVersion interface{}) error

Connected implements the common.VM interface

func (*VM) CreateHandlers 

func (vm *VM) CreateHandlers(ctx context.Context) (map[string]http.Handler, error)

CreateHandlers implements the common.VM interface

func (*VM) CreateStaticHandlers 

func (vm *VM) CreateStaticHandlers(ctx context.Context) (map[string]http.Handler, error)

CreateStaticHandlers implements the common.VM interface

func (*VM) CrossChainAppRequest 

func (vm *VM) CrossChainAppRequest(ctx context.Context, chainID ids.ID, requestID uint32, deadline time.Time, request []byte) error

CrossChainAppRequest implements the common.VM interface This is how other chains request MPC services

func (*VM) CrossChainAppRequestFailed 

func (vm *VM) CrossChainAppRequestFailed(ctx context.Context, chainID ids.ID, requestID uint32, appErr *warp.Error) error

CrossChainAppRequestFailed implements the common.VM interface

func (*VM) CrossChainAppResponse 

func (vm *VM) CrossChainAppResponse(ctx context.Context, chainID ids.ID, requestID uint32, response []byte) error

CrossChainAppResponse implements the common.VM interface

func (*VM) Disconnected 

func (vm *VM) Disconnected(ctx context.Context, nodeID ids.NodeID) error

Disconnected implements the common.VM interface

func (*VM) GetAddress 

func (vm *VM) GetAddress(keyID string) ([]byte, error)

GetAddress returns the Ethereum-style address for a key

func (*VM) GetBlock 

func (vm *VM) GetBlock(ctx context.Context, id ids.ID) (block.Block, error)

GetBlock implements the block.ChainVM interface

func (*VM) GetBlockIDAtHeight 

func (vm *VM) GetBlockIDAtHeight(ctx context.Context, height uint64) (ids.ID, error)

GetBlockIDAtHeight implements the consensusman.HeightIndexedChainVM interface

func (*VM) GetPublicKey 

func (vm *VM) GetPublicKey(keyID string) ([]byte, error)

GetPublicKey returns the public key for a key ID

func (*VM) GetSignature 

func (vm *VM) GetSignature(sessionID string) (*SigningSession, error)

GetSignature retrieves a completed signature

func (*VM) HealthCheck 

func (vm *VM) HealthCheck(ctx context.Context) (interface{}, error)

HealthCheck implements the common.VM interface

func (*VM) Initialize 

func (vm *VM) Initialize(
	ctx context.Context,
	chainCtx interface{},
	db interface{},
	genesisBytes []byte,
	upgradeBytes []byte,
	configBytes []byte,
	msgChan interface{},
	fxs []interface{},
	appSender interface{},
) error

Initialize implements the block.ChainVM interface

func (*VM) InitializeMPC 

func (vm *VM) InitializeMPC(partyIDs []party.ID) error

InitializeMPC sets up the MPC group with party IDs

func (*VM) LastAccepted 

func (vm *VM) LastAccepted(ctx context.Context) (ids.ID, error)

LastAccepted implements the chain.ChainVM interface

func (*VM) NewHTTPHandler 

func (vm *VM) NewHTTPHandler(ctx context.Context) (interface{}, error)

NewHTTPHandler returns HTTP handlers for the VM

func (*VM) ParseBlock 

func (vm *VM) ParseBlock(ctx context.Context, bytes []byte) (block.Block, error)

ParseBlock implements the block.ChainVM interface

func (*VM) RefreshKey 

func (vm *VM) RefreshKey(keyID string, requestedBy string) (*KeygenSession, error)

RefreshKey refreshes key shares without changing the public key

func (*VM) RequestSignature 

func (vm *VM) RequestSignature(
	requestingChain string,
	keyID string,
	messageHash []byte,
	messageType string,
) (*SigningSession, error)

RequestSignature requests a threshold signature from the T-Chain

func (*VM) ReshareKey 

func (vm *VM) ReshareKey(keyID string, newPartyIDs []party.ID, requestedBy string) (*KeygenSession, error)

ReshareKey triggers key resharing (for adding/removing parties)

func (*VM) SetPreference 

func (vm *VM) SetPreference(ctx context.Context, id ids.ID) error

SetPreference implements the chain.ChainVM interface

func (*VM) SetState 

func (vm *VM) SetState(ctx context.Context, state uint32) error

SetState implements the common.VM interface

func (*VM) Shutdown 

func (vm *VM) Shutdown(ctx context.Context) error

Shutdown implements the common.VM interface

func (*VM) StartKeygen 

func (vm *VM) StartKeygen(keyID, keyType, requestedBy string) (*KeygenSession, error)

StartKeygen initiates distributed key generation (uses default LSS protocol)

func (*VM) StartKeygenWithProtocol 

func (vm *VM) StartKeygenWithProtocol(keyID, protocol, requestedBy string, threshold, totalParties int) (*KeygenSession, error)

StartKeygenWithProtocol initiates distributed key generation with a specific protocol

func (*VM) Version 

func (vm *VM) Version(ctx context.Context) (string, error)

Version implements the common.VM interface

func (*VM) WaitForEvent 

func (vm *VM) WaitForEvent(ctx context.Context) (interface{}, error)

WaitForEvent blocks until an event occurs

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