getblockheader

If verbose is true, returns an Object with information about blockheader 'hash'.

Argument #1-blockhash

Type: string, Required

Description: The block hash

Argument #2-verbose

Type: boolean, Optional
Default=true

Description: true for a json object, false for the hex-encoded data

Result---(for verbose = true)

  {                                 (json object)
    "hash" : "hex",                 (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" : "hex",           (string) The block version formatted in hexadecimal
    "merkleroot" : "hex",           (string) The merkle root
    "time" : xxx,                   (numeric) The block time expressed in UNIX epoch time
    "mediantime" : xxx,             (numeric) The median block time expressed in UNIX epoch time
    "nonce" : n,                    (numeric) The nonce
    "bits" : "hex",                 (string) The bits
    "difficulty" : n,               (numeric) The difficulty
    "chainwork" : "hex",            (string) Expected number of hashes required to produce the current chain
    "nTx" : n,                      (numeric) The number of transactions in the block
    "previousblockhash" : "hex",    (string, optional) The hash of the previous block (if available)
    "nextblockhash" : "hex"         (string, optional) The hash of the next block (if available)
  }

Result---(for verbose=false)

Type: string (hex)

Description: A string that is serialized, hex-encoded data for block 'hash'