zvm

package
v1.20.2 Latest Latest
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 Go to latest Published: Oct 30, 2025 License: BSD-3-Clause Imports: 24 Imported by: 0

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Index

Constants

This section is empty.

Variables

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

Functions

func ComputeCommitment 

func ComputeCommitment(note *Note) []byte

ComputeCommitment computes a note commitment

func ComputeNullifier 

func ComputeNullifier(note *Note, spendingKey []byte) []byte

ComputeNullifier computes a nullifier for a note

func EncryptNote 

func EncryptNote(note *Note, recipientPubKey []byte, ephemeralPrivKey []byte) ([]byte, []byte, error)

EncryptNote encrypts a note for the recipient

func NewPrivacyHandler 

func NewPrivacyHandler(vm *VM) http.Handler

NewPrivacyHandler creates the privacy-specific handler

func NewProofHandler 

func NewProofHandler(vm *VM) http.Handler

NewProofHandler creates the proof-specific handler

func NewRPCHandler 

func NewRPCHandler(vm *VM) http.Handler

NewRPCHandler creates the main RPC handler

Types

type AddressManager 

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

AddressManager manages private addresses and viewing keys

func NewAddressManager 

func NewAddressManager(db database.Database, enablePrivate bool, log log.Logger) (*AddressManager, error)

NewAddressManager creates a new address manager

func (*AddressManager) CanDecryptNote 

func (am *AddressManager) CanDecryptNote(ephemeralPubKey []byte, address []byte) bool

CanDecryptNote checks if we have the keys to decrypt a note

func (*AddressManager) Close 

func (am *AddressManager) Close()

Close closes the address manager

func (*AddressManager) DeriveNullifier 

func (am *AddressManager) DeriveNullifier(address []byte, note *Note) ([]byte, error)

DeriveNullifier derives a nullifier using the spending key

func (*AddressManager) GenerateAddress 

func (am *AddressManager) GenerateAddress() (*PrivateAddress, error)

GenerateAddress generates a new private address

func (*AddressManager) GetAddress 

func (am *AddressManager) GetAddress(address []byte) (*PrivateAddress, error)

GetAddress retrieves an address by its public address

func (*AddressManager) GetAddressCount 

func (am *AddressManager) GetAddressCount() uint64

GetAddressCount returns the total number of addresses

func (*AddressManager) GetAddressesByViewingKey 

func (am *AddressManager) GetAddressesByViewingKey(viewingKey []byte) ([]*PrivateAddress, error)

GetAddressesByViewingKey returns all addresses associated with a viewing key

func (*AddressManager) SignTransaction 

func (am *AddressManager) SignTransaction(tx *Transaction, signingAddresses [][]byte) error

SignTransaction signs a transaction with the appropriate keys

type Block 

type Block struct {
	ParentID       ids.ID         `json:"parentId"`
	BlockHeight    uint64         `json:"height"`
	BlockTimestamp int64          `json:"timestamp"`
	Txs            []*Transaction `json:"transactions"`
	StateRoot      []byte         `json:"stateRoot"` // Merkle tree root of UTXO set

	// Aggregated proof for the block (optional)
	BlockProof *ZKProof `json:"blockProof,omitempty"`

	// Cached values
	ID_ ids.ID
	// contains filtered or unexported fields
}

Block represents a block in the ZK UTXO chain

func (*Block) Accept 

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

Accept accepts the block

func (*Block) Bytes 

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

Bytes returns the block bytes

func (*Block) Height 

func (b *Block) Height() uint64

Height returns the block height

func (*Block) ID 

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

ID returns the block ID

func (*Block) Parent 

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

Parent returns the parent block ID

func (*Block) Reject 

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

Reject rejects the block

func (*Block) Status 

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

Status returns the block status

func (*Block) Timestamp 

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

Timestamp returns the block timestamp

func (*Block) ToSummary 

func (b *Block) ToSummary() *BlockSummary

ToSummary converts a block to a summary

func (*Block) Verify 

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

Verify verifies the block

type BlockSummary 

type BlockSummary struct {
	ID        ids.ID `json:"id"`
	Height    uint64 `json:"height"`
	Timestamp int64  `json:"timestamp"`
	TxCount   int    `json:"txCount"`
	StateRoot []byte `json:"stateRoot"`
}

BlockSummary represents a lightweight block summary

type FHEData 

type FHEData struct {
	// Encrypted computation inputs
	EncryptedInputs [][]byte `json:"encryptedInputs"`

	// Computation circuit
	CircuitID string `json:"circuitId"`

	// Encrypted result
	EncryptedResult []byte `json:"encryptedResult"`

	// Proof of correct computation
	ComputationProof []byte `json:"computationProof"`
}

FHEData represents fully homomorphic encryption data

type FHEProcessor 

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

FHEProcessor handles fully homomorphic encryption operations

func NewFHEProcessor 

func NewFHEProcessor(config ZConfig, log log.Logger) (*FHEProcessor, error)

NewFHEProcessor creates a new FHE processor

func (*FHEProcessor) AddCiphertexts 

func (fp *FHEProcessor) AddCiphertexts(ct1, ct2 []byte) ([]byte, error)

AddCiphertexts performs homomorphic addition

func (*FHEProcessor) DecryptValue 

func (fp *FHEProcessor) DecryptValue(ciphertext []byte, privateKey []byte) (uint64, error)

DecryptValue decrypts an FHE ciphertext

func (*FHEProcessor) EncryptValue 

func (fp *FHEProcessor) EncryptValue(value uint64) ([]byte, error)

EncryptValue encrypts a value using FHE

func (*FHEProcessor) GetStats 

func (fp *FHEProcessor) GetStats() uint64

GetStats returns FHE processing statistics

func (*FHEProcessor) MultiplyCiphertext 

func (fp *FHEProcessor) MultiplyCiphertext(ct []byte, scalar uint64) ([]byte, error)

MultiplyCiphertext performs homomorphic multiplication by a plaintext

func (*FHEProcessor) ProcessFHEComputation 

func (fp *FHEProcessor) ProcessFHEComputation(
	circuitID string,
	encryptedInputs [][]byte,
) ([]byte, []byte, error)

ProcessFHEComputation performs an FHE computation

func (*FHEProcessor) VerifyFHEOperations 

func (fp *FHEProcessor) VerifyFHEOperations(tx *Transaction) error

VerifyFHEOperations verifies FHE operations in a transaction

type Factory 

type Factory struct{}

Factory ...

func (*Factory) New 

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

New implements vms.Factory

type Genesis 

type Genesis struct {
	Timestamp  int64          `json:"timestamp"`
	InitialTxs []*Transaction `json:"initialTransactions,omitempty"`

	// Initial setup parameters
	SetupParams *SetupParams `json:"setupParams,omitempty"`
}

Genesis represents genesis data

func ParseGenesis 

func ParseGenesis(genesisBytes []byte) (*Genesis, error)

ParseGenesis parses genesis bytes

type Health 

type Health struct {
	DatabaseHealthy   bool   `json:"databaseHealthy"`
	UTXOCount         uint64 `json:"utxoCount"`
	NullifierCount    uint64 `json:"nullifierCount"`
	LastBlockHeight   uint64 `json:"lastBlockHeight"`
	PendingBlockCount int    `json:"pendingBlockCount"`
	MempoolSize       int    `json:"mempoolSize"`
	ProofCacheSize    int    `json:"proofCacheSize"`
}

Health represents VM health status

type Mempool 

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

Mempool manages pending transactions

func NewMempool 

func NewMempool(maxSize int, log log.Logger) *Mempool

NewMempool creates a new mempool

func (*Mempool) AddTransaction 

func (mp *Mempool) AddTransaction(tx *Transaction) error

AddTransaction adds a transaction to the mempool

func (*Mempool) Clear 

func (mp *Mempool) Clear()

Clear removes all transactions from the mempool

func (*Mempool) GetPendingTransactions 

func (mp *Mempool) GetPendingTransactions(limit int) []*Transaction

GetPendingTransactions returns pending transactions sorted by priority

func (*Mempool) HasNullifier 

func (mp *Mempool) HasNullifier(nullifier []byte) bool

HasNullifier checks if a nullifier is already in the mempool

func (*Mempool) HasTransaction 

func (mp *Mempool) HasTransaction(txID ids.ID) bool

HasTransaction checks if a transaction is in the mempool

func (*Mempool) PruneExpired 

func (mp *Mempool) PruneExpired(currentHeight uint64)

PruneExpired removes expired transactions

func (*Mempool) RemoveTransaction 

func (mp *Mempool) RemoveTransaction(txID ids.ID)

RemoveTransaction removes a transaction from the mempool

func (*Mempool) Size 

func (mp *Mempool) Size() int

Size returns the number of transactions in the mempool

type MempoolTx 

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

MempoolTx represents a transaction in the mempool

type Note 

type Note struct {
	Value      *big.Int `json:"value"`      // Encrypted amount
	Address    []byte   `json:"address"`    // Recipient address
	AssetID    ids.ID   `json:"assetId"`    // Asset type
	Randomness []byte   `json:"randomness"` // Note randomness
	Nullifier  []byte   `json:"nullifier"`  // Computed nullifier
}

Note represents a shielded note (internal representation)

func DecryptNote 

func DecryptNote(encryptedNote []byte, ephemeralPubKey []byte, recipientPrivKey []byte) (*Note, error)

DecryptNote decrypts a note using the recipient's key

type NullifierDB 

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

NullifierDB manages spent nullifiers

func NewNullifierDB 

func NewNullifierDB(db database.Database, log log.Logger) (*NullifierDB, error)

NewNullifierDB creates a new nullifier database

func (*NullifierDB) Close 

func (ndb *NullifierDB) Close()

Close closes the nullifier database

func (*NullifierDB) GetNullifierCount 

func (ndb *NullifierDB) GetNullifierCount() uint64

GetNullifierCount returns the total number of spent nullifiers

func (*NullifierDB) GetNullifierHeight 

func (ndb *NullifierDB) GetNullifierHeight(nullifier []byte) (uint64, error)

GetNullifierHeight returns the height when a nullifier was spent

func (*NullifierDB) GetNullifiersByHeight 

func (ndb *NullifierDB) GetNullifiersByHeight(height uint64) [][]byte

GetNullifiersByHeight returns all nullifiers spent at a specific height

func (*NullifierDB) IsNullifierSpent 

func (ndb *NullifierDB) IsNullifierSpent(nullifier []byte) bool

IsNullifierSpent checks if a nullifier has been spent

func (*NullifierDB) MarkNullifierSpent 

func (ndb *NullifierDB) MarkNullifierSpent(nullifier []byte, height uint64) error

MarkNullifierSpent marks a nullifier as spent

func (*NullifierDB) PruneOldNullifiers 

func (ndb *NullifierDB) PruneOldNullifiers(minHeight uint64) error

PruneOldNullifiers removes nullifiers older than a certain height

func (*NullifierDB) RemoveNullifier 

func (ndb *NullifierDB) RemoveNullifier(nullifier []byte) error

RemoveNullifier removes a nullifier (used for reorg)

type PrivateAddress 

type PrivateAddress struct {
	Address         []byte `json:"address"`         // Public address (32 bytes)
	ViewingKey      []byte `json:"viewingKey"`      // Viewing key for scanning
	SpendingKey     []byte `json:"spendingKey"`     // Spending key (private)
	Diversifier     []byte `json:"diversifier"`     // Address diversifier
	IncomingViewKey []byte `json:"incomingViewKey"` // For incoming payments only
	CreatedAt       int64  `json:"createdAt"`
}

PrivateAddress represents a private address

type ProofVerifier 

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

ProofVerifier verifies zero-knowledge proofs

func NewProofVerifier 

func NewProofVerifier(config ZConfig, log log.Logger) (*ProofVerifier, error)

NewProofVerifier creates a new proof verifier

func (*ProofVerifier) ClearCache 

func (pv *ProofVerifier) ClearCache()

ClearCache clears the proof verification cache

func (*ProofVerifier) GetCacheSize 

func (pv *ProofVerifier) GetCacheSize() int

GetCacheSize returns the current size of the proof cache

func (*ProofVerifier) GetStats 

func (pv *ProofVerifier) GetStats() (verifyCount, cacheHits, cacheMisses uint64)

GetStats returns verifier statistics

func (*ProofVerifier) VerifyBlockProof 

func (pv *ProofVerifier) VerifyBlockProof(block *Block) error

VerifyBlockProof verifies an aggregated block proof

func (*ProofVerifier) VerifyTransactionProof 

func (pv *ProofVerifier) VerifyTransactionProof(tx *Transaction) error

VerifyTransactionProof verifies a transaction's zero-knowledge proof

type SetupParams 

type SetupParams struct {
	// Groth16 CRS
	PowersOfTau  []byte `json:"powersOfTau,omitempty"`
	VerifyingKey []byte `json:"verifyingKey,omitempty"`

	// PLONK setup
	PlonkSRS []byte `json:"plonkSRS,omitempty"`

	// FHE parameters
	FHEPublicParams []byte `json:"fhePublicParams,omitempty"`
}

SetupParams contains trusted setup parameters

type ShieldedOutput 

type ShieldedOutput struct {
	// Commitment to the note (amount and address)
	Commitment []byte `json:"commitment"`

	// Encrypted note ciphertext
	EncryptedNote []byte `json:"encryptedNote"`

	// Ephemeral public key for note encryption
	EphemeralPubKey []byte `json:"ephemeralPubKey"`

	// Output proof (rangeproof for amount)
	OutputProof []byte `json:"outputProof"`
}

ShieldedOutput represents a confidential output

type StateTree 

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

StateTree manages the Merkle tree of the UTXO set

func NewStateTree 

func NewStateTree(db database.Database, log log.Logger) (*StateTree, error)

NewStateTree creates a new state tree

func (*StateTree) ApplyTransaction 

func (st *StateTree) ApplyTransaction(tx *Transaction) error

ApplyTransaction applies a transaction to the state tree

func (*StateTree) Close 

func (st *StateTree) Close()

Close closes the state tree

func (*StateTree) ComputeRoot 

func (st *StateTree) ComputeRoot() ([]byte, error)

ComputeRoot computes the new Merkle root after pending changes

func (*StateTree) Finalize 

func (st *StateTree) Finalize(newRoot []byte) error

Finalize commits the pending changes and updates the root

func (*StateTree) GetMerkleProof 

func (st *StateTree) GetMerkleProof(commitment []byte) ([][]byte, error)

GetMerkleProof generates a Merkle proof for a commitment

func (*StateTree) GetRoot 

func (st *StateTree) GetRoot() []byte

GetRoot returns the current state root

func (*StateTree) VerifyMerkleProof 

func (st *StateTree) VerifyMerkleProof(commitment []byte, proof [][]byte, root []byte) bool

VerifyMerkleProof verifies a Merkle proof

type Transaction 

type Transaction struct {
	ID      ids.ID          `json:"id"`
	Type    TransactionType `json:"type"`
	Version uint8           `json:"version"`

	// Transparent inputs/outputs (for shield/unshield)
	TransparentInputs  []*TransparentInput  `json:"transparentInputs,omitempty"`
	TransparentOutputs []*TransparentOutput `json:"transparentOutputs,omitempty"`

	// Shielded components
	Nullifiers [][]byte          `json:"nullifiers"` // Spent note nullifiers
	Outputs    []*ShieldedOutput `json:"outputs"`    // New shielded outputs

	// Zero-knowledge proof
	Proof *ZKProof `json:"proof"`

	// FHE operations (optional)
	FHEData *FHEData `json:"fheData,omitempty"`

	// Transaction metadata
	Fee    uint64 `json:"fee"`
	Expiry uint64 `json:"expiry"`         // Block height
	Memo   []byte `json:"memo,omitempty"` // Encrypted memo

	// Signature for transparent components
	Signature []byte `json:"signature,omitempty"`
}

Transaction represents a confidential transaction

func (*Transaction) ComputeID 

func (tx *Transaction) ComputeID() ids.ID

ComputeID computes the transaction ID

func (*Transaction) GetNullifiers 

func (tx *Transaction) GetNullifiers() [][]byte

GetNullifiers returns all nullifiers in the transaction

func (*Transaction) GetOutputCommitments 

func (tx *Transaction) GetOutputCommitments() [][]byte

GetOutputCommitments returns all output commitments

func (*Transaction) HasFHEOperations 

func (tx *Transaction) HasFHEOperations() bool

HasFHEOperations returns true if the transaction includes FHE operations

func (*Transaction) ValidateBasic 

func (tx *Transaction) ValidateBasic() error

ValidateBasic performs basic validation

type TransactionType 

type TransactionType uint8

TransactionType represents the type of transaction 

const (
	TransactionTypeTransfer TransactionType = iota
	TransactionTypeMint
	TransactionTypeBurn
	TransactionTypeShield   // Convert transparent to shielded
	TransactionTypeUnshield // Convert shielded to transparent
)

type TransparentInput 

type TransparentInput struct {
	TxID      ids.ID `json:"txId"`
	OutputIdx uint32 `json:"outputIdx"`
	Amount    uint64 `json:"amount"`
	Address   []byte `json:"address"`
}

TransparentInput represents an unshielded input

type TransparentOutput 

type TransparentOutput struct {
	Amount  uint64 `json:"amount"`
	Address []byte `json:"address"`
	AssetID ids.ID `json:"assetId"`
}

TransparentOutput represents an unshielded output

type TxHeap 

type TxHeap []*MempoolTx

TxHeap implements heap.Interface for priority ordering

func (TxHeap) Len 

func (h TxHeap) Len() int

func (TxHeap) Less 

func (h TxHeap) Less(i, j int) bool

func (*TxHeap) Pop 

func (h *TxHeap) Pop() interface{}

func (*TxHeap) Push 

func (h *TxHeap) Push(x interface{})

func (TxHeap) Swap 

func (h TxHeap) Swap(i, j int)

type UTXO 

type UTXO struct {
	TxID        ids.ID `json:"txId"`
	OutputIndex uint32 `json:"outputIndex"`
	Commitment  []byte `json:"commitment"`  // Output commitment
	Ciphertext  []byte `json:"ciphertext"`  // Encrypted note
	EphemeralPK []byte `json:"ephemeralPK"` // Ephemeral public key
	Height      uint64 `json:"height"`      // Block height when created
}

UTXO represents an unspent transaction output

type UTXODB 

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

UTXODB manages the UTXO set

func NewUTXODB 

func NewUTXODB(db database.Database, log log.Logger) (*UTXODB, error)

NewUTXODB creates a new UTXO database

func (*UTXODB) AddUTXO 

func (udb *UTXODB) AddUTXO(utxo *UTXO) error

AddUTXO adds a new UTXO to the set

func (*UTXODB) Close 

func (udb *UTXODB) Close()

Close closes the UTXO database

func (*UTXODB) GetAllCommitments 

func (udb *UTXODB) GetAllCommitments() [][]byte

GetAllCommitments returns all UTXO commitments (for Merkle tree)

func (*UTXODB) GetUTXO 

func (udb *UTXODB) GetUTXO(commitment []byte) (*UTXO, error)

GetUTXO retrieves a UTXO by commitment

func (*UTXODB) GetUTXOCount 

func (udb *UTXODB) GetUTXOCount() uint64

GetUTXOCount returns the total number of UTXOs

func (*UTXODB) GetUTXOsByHeight 

func (udb *UTXODB) GetUTXOsByHeight(height uint64) ([]*UTXO, error)

GetUTXOsByHeight returns all UTXOs created at a specific height

func (*UTXODB) PruneOldUTXOs 

func (udb *UTXODB) PruneOldUTXOs(minHeight uint64) error

PruneOldUTXOs removes UTXOs older than a certain height

func (*UTXODB) RemoveUTXO 

func (udb *UTXODB) RemoveUTXO(commitment []byte) error

RemoveUTXO removes a UTXO from the set

type VM 

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

VM implements the Zero-Knowledge UTXO Chain VM

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 *common.AppError) 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) (chain.Block, error)

BuildBlock builds a new block

func (*VM) Connected 

func (vm *VM) Connected(ctx context.Context, nodeID ids.NodeID, nodeVersion *version.Application) error

func (*VM) CreateHandlers 

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

CreateHandlers returns the VM handlers

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

func (*VM) CrossChainAppRequestFailed 

func (vm *VM) CrossChainAppRequestFailed(ctx context.Context, chainID ids.ID, requestID uint32, appErr *common.AppError) 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

func (*VM) GetBlock 

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

GetBlock retrieves a block by ID

func (*VM) GetBlockIDAtHeight 

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

GetBlockIDAtHeight implements the snowman.HeightIndexedChainVM interface

func (*VM) HealthCheck 

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

HealthCheck performs a health check

func (*VM) Initialize 

func (vm *VM) Initialize(
	ctx context.Context,
	chainCtx *snow.Context,
	db database.Database,
	genesisBytes []byte,
	upgradeBytes []byte,
	configBytes []byte,
	toEngine chan<- common.Message,
	fxs []*common.Fx,
	appSender common.AppSender,
) error

Initialize initializes the VM

func (*VM) LastAccepted 

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

func (*VM) ParseBlock 

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

ParseBlock parses a block from bytes

func (*VM) SetPreference 

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

Additional interface implementations

func (*VM) SetState 

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

SetState sets the VM state

func (*VM) Shutdown 

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

Shutdown shuts down the VM

func (*VM) Version 

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

Version returns the VM version

type ZConfig 

type ZConfig struct {
	// Privacy configuration
	EnableConfidentialTransfers bool `json:"enableConfidentialTransfers"`
	EnablePrivateAddresses      bool `json:"enablePrivateAddresses"`

	// ZK proof configuration
	ProofSystem      string `json:"proofSystem"` // groth16, plonk, etc.
	CircuitType      string `json:"circuitType"` // transfer, mint, burn
	VerifyingKeyPath string `json:"verifyingKeyPath"`
	TrustedSetupPath string `json:"trustedSetupPath"`

	// FHE configuration
	EnableFHE     bool   `json:"enableFHE"`
	FHEScheme     string `json:"fheScheme"`     // BFV, CKKS, etc.
	SecurityLevel int    `json:"securityLevel"` // 128, 192, 256

	// Performance
	MaxUTXOsPerBlock         int           `json:"maxUtxosPerBlock"`
	ProofVerificationTimeout time.Duration `json:"proofVerificationTimeout"`
	ProofCacheSize           int           `json:"proofCacheSize"`
}

ZConfig contains VM configuration

type ZKProof 

type ZKProof struct {
	ProofType    string   `json:"proofType"` // groth16, plonk, etc.
	ProofData    []byte   `json:"proofData"`
	PublicInputs [][]byte `json:"publicInputs"`
	// contains filtered or unexported fields
}

ZKProof represents a zero-knowledge proof

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