getblockheader (0.17.99 RPC)

1. "hash"

string

required

The block hash

2. verbose

boolean

optional

default=true

true for a json object, false for the hex encoded data

{

  "hash" : "hash",

string

the block hash (same as provided)

  "confirmations" : n,

numeric

The number of confirmations, or -1 if the block is not on the main chain

  "height" : n,

numeric

The block height or index

  "version" : n,

numeric

The block version

  "versionHex" : "00000000",

string

The block version formatted in hexadecimal

  "merkleroot" : "xxxx",

string

The merkle root

  "time" : ttt,

numeric

The block time in seconds since epoch (Jan 1 1970 GMT)

  "mediantime" : ttt,

numeric

The median block time in seconds since epoch (Jan 1 1970 GMT)

  "nonce" : n,

numeric

The nonce

  "bits" : "1d00ffff",

string

The bits

  "difficulty" : x.xxx,

numeric

The difficulty

  "chainwork" : "0000...1f3"

string

Expected number of hashes required to produce the current chain (in hex)

  "nTx" : n,

numeric

The number of transactions in the block.

  "previousblockhash" : "hash",

string

The hash of the previous block

  "nextblockhash" : "hash",

string

The hash of the next block

}

"data"

string

A string that is serialized, hex-encoded data for block ‘hash’.