get Extended Public Key
Returns the extended public key (for default 0 account).
Return
Extended public key as a non-null TWString
Parameters
wallet
non-null TWHDWallet
purpose
a purpose
coin
a coin type
version
hd version
Returns the extended public key (for default 0 account).
Extended public key as a non-null TWString
non-null TWHDWallet
a purpose
a coin type
hd version