1

npm install -g solc@xxx

npm install solc

2

solcjs --abi .\CrossController_flattened.sol

3

abigen --abi=.\CrossController_flattened_sol_CrossController.abi --pkg=cross --out=CrossController.go

4

solcjs --abi .\Bridge_flattened.sol

5

abigen --abi=.\Bridge_flattened_sol_Bridge.abi --pkg=bridge --out=Bridge.go

6 rename pkg to contracts