getblockcount
blockchain safe since 0.5.0returns the height of the most-work fully-validated chain.
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Run this RPC
Call from your own code
Replace $BITCOIN_RPC_USER / $BITCOIN_RPC_PASSWORD with credentials from your bitcoind's bitcoin.conf,
and replace localhost:8332 with your node's RPC address.
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getblockcount
Returns the height of the most-work fully-validated chain.
The genesis block has height 0.
Result:
n (numeric) The current block count
Examples:
> bitcoin-cli getblockcount
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getblockcount", "params": []}' -H 'content-type: text/plain;' http://127.0.0.1:8332/