This function returns the associated public key hash
from a 512-bit public key by using the hash160() function.
PubKey2PubHash(pubkey, mainnet = TRUE)character, the hash of a public key
character, the public key.
logical, whether the WIF should correspond
to the mainnet or testnet.
Bernhard Pfaff
Other BtcAdresses: BTCADR-class,
PrivKey2PubKey, PrivKey2Wif,
PubHash2BtcAdr, Wif2PrivKey,
base58CheckDecode,
base58CheckEncode, concatHex,
createBtcAdr,
createPrivateKey, decodeHex,
hash160, hash256,
validBtcAdr