Header

The section describes the block header object.

Overview
The header is an data structure that describes a block. It includes information about the block, the transactions contained in the block, the current state of the chain in which the block belongs to. 
Structure
Field
Type
Description
creatorPubKey
String
The public key of the block creator.
difficulty
​HexNumber​
The difficulty of the block.
totalDifficulty
​HexNumber​
The cumulative difficulty of all blocks in the chain.
nonce
​HexNumber​
The nonce discovered during PoW computation.
number
​HexNumber​
The block's number.
parentHash
String
The hash of the parent block.
stateRoot
String
The merkle hash of the state tree.
transactionsRoot
String
The merkle root of transactions in the block.
timestamp
​HexNumber​
The unix timestamp of when the block was created.
extra
[32]HexByte​
Extra data for future use.
Example
{
    "creatorPubKey": "48YQpehoRDYsivCbnedrz19DfTvh345PwWAKGN3jdUjPNdG3Lte",
    "difficulty": "0x989680",
    "extra": "0x",
    "nonce": "0x61879fb427b56cef",
    "number": "0x2",
    "parentHash": "0x211df3aed05b45d620850f40c9b4eac006da7ee0f76a7fa99d5ac16a2c2ca42c",
    "stateRoot": "0xc222870b2ca3f71d30b8d06b8e3f633812a8c0473cecc38b6fcc12eb5cad89ec",
    "timestamp": "0x5bda0ad4",
    "totalDifficulty": "0x1312d00",
    "transactionsRoot": "0x0000000000000000000000000000000000000000000000000000000000000000"
}

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Hex Value Types

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Transaction

Last modified 4yr ago

Field	Type	Description
creatorPubKey	String	The public key of the block creator.
difficulty	HexNumber	The difficulty of the block.
totalDifficulty	HexNumber	The cumulative difficulty of all blocks in the chain.
nonce	HexNumber	The nonce discovered during PoW computation.
number	HexNumber	The block's number.
parentHash	String	The hash of the parent block.
stateRoot	String	The merkle hash of the state tree.
transactionsRoot	String	The merkle root of transactions in the block.
timestamp	HexNumber	The unix timestamp of when the block was created.
extra	[32]HexByte	Extra data for future use.