August 2018
Intermediate to advanced
404 pages
11h 19m
English
Content preview from Ethereum Cookbook
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How to do it…
- Every DApp is authenticated and authorized by the user's address. The address is the key to accessing a decentralized application built on Ethereum.
- Consider the example of CryptoKitties, a popular crypto collectable game built on Ethereum. The application identifies the user using their Ethereum address. A user can purchase kitties using their address and the ownership of the asset will be transferred to them.
- The application lists all the kitties owned by the currently logged in address on a different page. You can easily track the assets using the address:
mapping(address => uint[]) kitties;function getKitties(address _owner) returns(uint[]) { return kitties[_owner];}
- Any tasks involving the kitties can only be performed ...
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