April 2018
Intermediate to advanced
222 pages
5h 28m
English
Content preview from Solidity Programming Essentials
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Contracts
Apart from pragma, import, and comments, we can define contracts, libraries, and interfaces at the global or top level. We will explore contracts, libraries, and interfaces in depth in subsequent chapters. This chapter assumes that you understand that multiple contracts, libraries, and interfaces can be declared within the same Solidity file. The library, contract, and interface keywords shown in the following screenshot are case-sensitive in nature: