摘要：
ontract can call other contracts in 2 ways. The easiest way to is to just call it, like A.foo(x, y, z). Another way to call other contracts is to use 阅读全文
摘要：
delegatecall is a low level function similar to call. When contract A executes delegatecall to contract B, B's code is executed with contract A's stor 阅读全文
摘要：
call is a low level function to interact with other contracts. This is the recommended method to use when you're just sending Ether via calling the fa 阅读全文
摘要：
Events allow logging to the Ethereum blockchain. Some use cases for events are: Listening for events and updating user interface A cheap form of stora 阅读全文