[FEATURE] Add user method for getting external transactions.
[FEATURE] Add user method for getting external transactions.

Parkjeahwan/awegeeks,xdv/gatewayd,crazyquark/gatewayd,whotooktwarden/gatewayd,zealord/gatewayd,xdv/gatewayd,whotooktwarden/gatewayd,Parkjeahwan/awegeeks,crazyquark/gatewayd,zealord/gatewayd