babybank1. question源码 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566pragma solidity ^0.4.23;contract babybank { ...

EVMEnc1. question源码 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485pragma solidity ...

Greeter(1)1.question源码 1234567891011121314151617181920212223pragma solidity 0.8.7;contract Greeter { string greeting; constructor(string memory _greeting) public { greeting =...

bet1. question源码： 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667pragma solidity ^0.4.24;contract bet { uint se...

CounterStrike1.question源码： 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768pragma solidity ^0.5.10;contract Launcher&#...

EOSGame1. question源码： 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192...

CoinFlip1. question源码 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990prag...

1. 题目 I created a token bank. It allows anyone to deposit tokens by transferring them to the bank and then to withdraw those tokens later. It uses ERC 223 to accept the incoming tokens. The bank de...

1. 题目 To complete this challenge, become the owner 源码 12345678910111213141516pragma solidity ^0.4.21;contract AssumeOwnershipChallenge { address owner; bool public isComplete; functi...

1. 题目 To complete this challenge, send a transaction from the owner‘s account. 源码 123456789101112pragma solidity ^0.4.21;contract AccountTakeoverChallenge { address owner = 0x6B477781b0e68...