Blocks

Block header

Field	Type	Description
ChainID	[]byte	identifier of chain
PrevBlockHash	[]byte	hash of previous block
BlockNo	uint64	height of block
Timestamp	int64	block timestamp
BlocksRootHash	[]byte	root hash of State SMT(sparse merkle tree)
TxsRootHash	[]byte	Merkle root of transactions
ReceiptsRootHash	[]byte	Merkle root of transaction receipts
Confirms	uint64	indicates how many block is confirmed by block in DPOS consensus
PubKey	[]byte	public key of the block producer (BP)
CoinbaseAccount	[]byte	the account address to which block reward is given
Sign	[]byte	BP’s Signature for block header

ChainID

It is used to prevent the wrong block transmission from other chains.

Field	Type	Description
Version	int32	version number of chain
PublicNet	bool	true if public net
MainNet	bool	true if main net
CoinbaseFee	string	Fee consumed per tx. Fixed value
Magic	string	Magic string, arbitrarily chosen by each blockchain
Consensus	string	dpos or sbp

Version

Version is used to identify when the block format changes or when the function of the chain changes.

PublicNet

Differentiate between public and private networks.

MainNet

Differentiate between main net and other test net or other use net.

CoinbaseFee

CoinbaseFee is used to set the peak per Tx.

Magic

Magic can be considered as a name of a blockchain. The two blockchains with different magic strings reject each other’s blocks (they are seperate, indenpendent blockchains).

Consensus

Specify the concensus method name used in the chain.

Block body

Field	Type	Description
Txs	[]Tx	Transactions