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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=1200px, shrink-to-fit=yes">
<meta name="description" content="Particl Core RPC Docs - getblockheader">
<meta name="author" content="">
<title>getblockheader - Particl Core RPC Docs</title>
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<h1>getblockheader - Particl RPC</h1>
<pre>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>.
Arguments:
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
"versionHex" : "00000000", (string) The block version formatted in hexadecimal
"merkleroot" : "xxxx", (string) The merkle root
"witnessmerkleroot" : "xxxx", (string) The witness 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)
"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'.
Examples:
> particl-cli getblockheader "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "getblockheader", "params": ["00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"] }' -H 'content-type: text/plain;' http://127.0.0.1:51935/
</pre>
<hr>
<p>
This is a website, created out of frustration with uncomplete and outdated Particl Core RPC documentation online.
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<p>
Particl version: 0.16.0.1
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<p>
Note that the RPC is from a regtest node (for completeness), so it includes some additional calls that a regular node doesn't have.
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