Function GetStorageValue

consensus/vbft/utils.go:242–256

(memdb *overlaydb.MemDB, backend *ledger.Ledger, addr common.Address, key []byte)

}

func GetStorageValue(memdb *overlaydb.MemDB, backend *ledger.Ledger, addr common.Address, key []byte) (value []byte, err error) {
	if memdb == nil {
		return backend.GetStorageItem(addr, key)
	}
	rawValue, unknown := getRawStorageItemFromMemDb(memdb, addr, key)
	if unknown {
		return backend.GetStorageItem(addr, key)
	}
	if len(rawValue) == 0 {
		return nil, scommon.ErrNotFound
	}

	value, err = states.GetValueFromRawStorageItem(rawValue)
	return
}

func GetGovernanceView(memdb *overlaydb.MemDB) (*gov.GovernanceView, error) {
	value, err := GetStorageValue(memdb, ledger.DefLedger, nutils.GovernanceContractAddress, []byte(gov.GOVERNANCE_VIEW))