blockchain

type Block struct {
	// Hash represents the hash (256 bit BE value in a 32 byte slice) of the
	// given block.
	Hash []byte
	// Version of the block.
	Version int
	// PrevHash represents the hash (256 bit BE value in a 32 byte slice) of the
	// previous block.
	PrevHash []byte
	// MerkleRoot represents the root hash (256 bit BE value in a 32 byte slice)
	// of a transaction list.
	MerkleRoot []byte
	// Timestamp represents millisecond-precision block timestamp.
	Timestamp int
	// Index represents the height of the block.
	Index int
	// NextConsensus represents contract address of the next miner (160 bit BE
	// value in a 20 byte slice).
	NextConsensus []byte
	// TransactionsLength represents the length of block's transactions array.
	TransactionsLength int
}

type Transaction struct {
	// Hash represents the hash (256 bit BE value in a 32 byte slice) of the
	// given transaction (which also is its ID).
	Hash []byte
	// Version represents the transaction version.
	Version int
	// Nonce is a random number to avoid hash collision.
	Nonce int
	// Sender represents the sender (160 bit BE value in a 20 byte slice) of the
	// given Transaction.
	Sender []byte
	// SysFee represents fee to be burned.
	SysFee int
	// NetFee represents fee to be distributed to consensus nodes.
	NetFee int
	// ValidUntilBlock is the maximum blockchain height exceeding which
	// transaction should fail verification.
	ValidUntilBlock int
	// Script represents code to run in NeoVM for this transaction.
	Script []byte
}