getexcessiveblock Return the excessive block size. Result: { (json object) "" : n (numeric) excessive block size in bytes } Examples: > bitcoin-cli getexcessiveblock > curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getexcessiveblock", "params": []}' -H 'content-type: text/plain;' http://127.0.0.1:8332/