getblockchaininfo
Returns an object containing various state info regarding blockchain processing.
Result:
{ (json object)
"chain" : "str", (string) current network name (main, test, regtest)
"blocks" : n, (numeric) the height of the most-work fully-validated chain. The genesis block has height 0
"headers" : n, (numeric) the current number of headers we have validated
"bestblockhash" : "str", (string) the hash of the currently best block
"difficulty" : n, (numeric) the current difficulty
"time" : xxx, (numeric) The block time expressed in UNIX epoch time
"mediantime" : xxx, (numeric) The median block time expressed in UNIX epoch time
"verificationprogress" : n, (numeric) estimate of verification progress [0..1]
"initialblockdownload" : true|false, (boolean) (debug information) estimate of whether this node is in Initial Block Download mode
"chainwork" : "hex", (string) total amount of work in active chain, in hexadecimal
"size_on_disk" : n, (numeric) the estimated size of the block and undo files on disk
"pruned" : true|false, (boolean) if the blocks are subject to pruning
"pruneheight" : n, (numeric) lowest-height complete block stored (only present if pruning is enabled)
"automatic_pruning" : true|false, (boolean) whether automatic pruning is enabled (only present if pruning is enabled)
"prune_target_size" : n, (numeric) the target size used by pruning (only present if automatic pruning is enabled)
"warnings" : "str" (string) any network and blockchain warnings
}
Examples:
> bitcoin-cli getblockchaininfo
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getblockchaininfo", "params": []}' -H 'content-type: text/plain;' http://127.0.0.1:8332/