types

type ByteArray []byte

type CensusProof struct {
	Index       uint64             `json:"index"`
	PublicKey   *babyjub.PublicKey `json:"publicKey"`
	Weight      *big.Int           `json:"weight"`
	MerkleProof ByteArray          `json:"merkleProof"`
}

type Process struct {
	// ID is determined by the SmartContract, is unique for each Process
	ID uint64
	// ProofID determines the ID assigned by the proof-server, is used to
	// retrieve the proof
	ProofID uint64
	// CensusRoot indicates the CensusRoot of the Process, the same
	// CensusRoot can be reused by different Processes
	CensusRoot []byte
	// CensusSize determines the number of public keys placed in the
	// CensusTree leaves under the CensusRoot
	CensusSize uint64
	// EthBlockNum indicates at which Ethereum block number the process has
	// been created
	EthBlockNum uint64
	// ResPubStartBlock (Results Publishing Start Block) indicates the
	// EthBlockNum where the process ends, in which the results can be
	// published
	ResPubStartBlock uint64
	// ResPubWindow (Results Publishing Window) indicates the window of
	// time (blocks), which starts at the ResPubStartBlock and ends at
	// ResPubStartBlock+ResPubWindow.  During this window of time, the
	// results + zkProofs can be sent to the SmartContract.
	ResPubWindow uint64
	// MinParticipation sets a threshold of minimum number of votes over
	// the total users in the census (% over CensusSize)
	MinParticipation uint8
	// MinPositiveVotes sets a threshold of minimum votes supporting the
	// proposal, over all the processed votes (% over nVotes)
	MinPositiveVotes uint8
	// Type of process, where 0: multisig, 1: referendum
	Type uint8
	// InsertedDatetime contains the datetime of when the process was
	// inserted in the db
	InsertedDatetime time.Time
	// Status determines the current status of the process
	Status ProcessStatus
}

type ProcessStatus int

type Proof struct {
	A        [3]*big.Int    `json:"pi_a"`
	B        [3][2]*big.Int `json:"pi_b"`
	C        [3]*big.Int    `json:"pi_c"`
	Protocol string         `json:"protocol"`
}

type ProofInDB struct {
	ProofID            uint64
	Proof              []byte
	PublicInputs       []byte
	InsertedDatetime   time.Time
	ProofAddedDatetime time.Time
	ProcessID          uint64
}

type VotePackage struct {
	Signature   babyjub.SignatureComp `json:"signature"`
	CensusProof CensusProof           `json:"censusProof"`
	Vote        ByteArray             `json:"vote"`
}

type ZKCircuitMeta struct {
	NMaxVotes int
	NLevels   int
}

type ZKInputs struct {
	Meta ZKCircuitMeta `json:"-"`

	// public inputs
	ChainID      *big.Int `json:"chainID"`
	ProcessID    *big.Int `json:"processID"`
	CensusRoot   *big.Int `json:"censusRoot"`
	ReceiptsRoot *big.Int `json:"receiptsRoot"`
	NVotes       *big.Int `json:"nVotes"`
	Result       *big.Int `json:"result"`
	WithReceipts *big.Int `json:"withReceipts"`

	/////
	// private inputs
	Vote []*big.Int `json:"vote"`
	// user's key related
	Index  []*big.Int `json:"index"`
	PkX    []*big.Int `json:"pkX"`
	PkY    []*big.Int `json:"pkY"`
	Weight []*big.Int `json:"weight"`
	// signatures
	S   []*big.Int `json:"s"`
	R8x []*big.Int `json:"r8x"`
	R8y []*big.Int `json:"r8y"`
	// census proofs
	Siblings         [][]*big.Int `json:"siblings"`
	ReceiptsSiblings [][]*big.Int `json:"receiptsSiblings"`
}