keypoolrefill ( newsize )

The keypoolrefill RPC fills the cache of unused pre-generated keys (the keypool).

*bitcoin-cli help keypoolrefill

keypoolrefill ( newsize )

Fills the keypool.

Arguments
1. newsize     (numeric, optional, default=100) The new keypool size

Examples:
> bitcoin-cli keypoolrefill 
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id":"curltest", "method": "keypoolrefill", "params": [] }' -H 'content-type: text/plain;' http://127.0.0.1:8332/