contracts of HAP (HSF collection and usdt delievery)
delivery of real USDT/Tether is represented by mockusdt , find more information at investors_usdt.sol
we build our abi and golang lib from listed command through solc
solc --abi investors.sol -o ./abi
abigen --abi=./abi/USDT.abi --pkg=investors_usdt --out=investors_usdt.go
see infos at ./lib and ./mockusdt