Address and Signature
Welups SDK supports offline private key generation and signature.
generateAddressfunction can be directly called without binding a private key.
This returns a private key that can be directly used on WELUPS network.
WelClient client = new WelClient("220.127.116.11:16669","18.104.22.168:16669","privatete Key");
Welups SDK has encapsulated signature function, refer to
Binding a private key with a WelClient instance or providing a
SECP256K1.KeyPairto accomplish the signing process.