only check rootHash of state if FATDB is off
only check rootHash of state if FATDB is off

shahankhatch/solidity,LianaHus/solidity,ruchevits/solidity,ruchevits/solidity,ruchevits/solidity,chriseth/solidity,gluk256/solidity,debris/solidity,ruchevits/solidity,vaporry/solidity,chriseth/solidity-doc-test,ethers/solidity,arkpar/solidity,douglas-larocca/solidity