getblockheader - Zcash 4.0.0 RPC

getblockheader "hash" ( verbose )

If verbose is false, returns a string that is serialized, hex-encoded data for blockheader 'hash'.
If verbose is true, returns an Object with information about blockheader <hash>.

1. "hash"          (string, required) The block hash
2. verbose           (boolean, optional, default=true) true for a json object, false for the hex encoded data

Result (for verbose = true):
  "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
  "merkleroot" : "xxxx", (string) The merkle root
  "finalsaplingroot" : "xxxx", (string) The root of the Sapling commitment tree after applying this block
  "time" : ttt,          (numeric) The block time in seconds since epoch (Jan 1 1970 GMT)
  "nonce" : n,           (numeric) The nonce
  "bits" : "1d00ffff", (string) The bits
  "difficulty" :,  (numeric) The difficulty
  "previousblockhash" : "hash",  (string) The hash of the previous block
  "nextblockhash" : "hash"       (string) The hash of the next block

Result (for verbose=false):
"data"             (string) A string that is serialized, hex-encoded data for block 'hash'.

> zcash-cli getblockheader "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getblockheader", "params": ["00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"] }' -H 'content-type: text/plain;'

Made by @karel_3d; license of the docs is MIT (see zcash repo), license of the scripts and webpage is also MIT ((C) 2018 Karel Bilek) (github repo)

Note it uses a mainnet node