blockchain_data

type ApprovedCycleTransaction struct {
	InitiatorIdentifier []byte
	ReceiverIdentifier  []byte
	ApprovalHeight      int64
	Amount              int64
}

type BalanceList struct {
	BlockchainVersion                 int16
	BlockHeight                       int64
	RolloverFees                      byte
	PreviousVerifiers                 [][]byte
	Items                             []BalanceListItem
	UnlockThreshold                   int64
	UnlockTransferSum                 int64
	PendingCycleTransactions          []*Transaction
	RecentlyApprovedCycleTransactions []*ApprovedCycleTransaction
}

type BalanceListItem struct {
	Identifier     []byte
	Balance        int64
	BlocksUntilFee int16
}

type Block struct {
	BlockchainVersion     int16          // 2 bytes; 16-bit integer of the blockchain version
	Height                int64          // 6 bytes; 48-bit integer block height from the Genesis block, which has a height of 0
	PreviousBlockHash     []byte         // 32 bytes (this is the double-SHA-256 of the previous block signature)
	StartTimestamp        int64          // 8 bytes; 64-bit Unix timestamp of the start of the block, in milliseconds
	VerificationTimestamp int64          // 8 bytes; 64-bit Unix timestamp of when the verifier creates the block, in milliseconds
	Transactions          []*Transaction // 4 bytes for number + variable
	BalanceListHash       []byte         // 32 bytes (this is the double-SHA-256 of the account balance list)
	VerifierIdentifier    []byte         // 32 bytes
	VerifierSignature     []byte         // 64 bytes
	ContinuityState       int
	SignatureState        int
	CycleInformation      *CycleInformation
	Hash                  []byte
	CycleInfoCache        *BlockCycleInfoCache
}

type BlockCycleInfoCache struct {
	Found, IsGenesis, NewVerifier bool
	CycleTailHeight               int64
	CycleHeadHeight               int64
}

type BlockVote struct {
	Height           int64
	Hash             []byte
	Timestamp        int64  // to prevent replay attacks of old votes (actually, unnecessary due to message timestamp)
	ReceiptTimestamp int64  // local-only field used to ensure minimum spacing between votes
	SenderIdentifier []byte // sender of the message for BlockWithVotesResponse
	MessageTimestamp int64  // timestamp of the message for BlockWithVotesResponse
	MessageSignature []byte // signature of the message for BlockWithVotesResponse
}

type CycleInformation struct {
	MaximumCycleLength int
	CycleLengths       []int
	NewVerifier        bool
	InGenesisCycle     bool
}

type CycleSignature struct {
	Id        []byte // node ID
	Signature []byte // the node's signature
}

type Transaction struct {
	// in all transactions
	Type        byte   // 1 byte, see above
	Timestamp   int64  // 8 bytes; 64-bit Unix timestamp of the transaction initiation, in milliseconds
	Amount      int64  // 8 bytes; 64-bit amount in micronyzos
	RecipientId []byte // 32 bytes (256-bit public key of the recipient)
	// type 1, 2 and 3
	PreviousHashHeight int64  // 8 bytes; 64-bit index of the block height of the previous-block hash
	PreviousBlockHash  []byte // 32 bytes (SHA-256 of a recent block in the chain), not serialized
	SenderId           []byte // 32 bytes (256-bit public key of the sender)
	SenderData         []byte // up to 32 bytes, length when serialized: 1 byte + actual length
	// type 1 and 2
	Signature []byte // 64 bytes (512-bit signature)
	// type 3
	CycleSignatures []*CycleSignature
	SignatureState  int
	// type 4
	CycleSignatureTransactions []*Transaction
	CycleTransactionVote       bool
	CycleTransactionSignature  []byte
}