go get -u github.com/ethereum/go-ethereum
cd $GOPATH/src/github.com/ethereum/go-ethereum/
make
make devtools
solc --abi Store.sol
solc --bin Store.sol
abigen --bin=Store_sol_Store.bin --abi=Store_sol_Store.abi --pkg=store --out=Store.go
Store.sol
pragma solidity ^0.4.24;
contract Store {
event ItemSet(bytes32 key, bytes32 value);
string public version;
mapping (bytes32 => bytes32) public items;
constructor(string _version) public {
version = _version;
}
function setItem(bytes32 key, bytes32 value) external {
items[key] = value;
emit ItemSet(key, value);
}
}