November 2018
Intermediate to advanced
528 pages
13h 21m
English
Content preview from Blockchain By Example
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Calling remote functions
In Solidity, you can call functions either internally or externally. Only the functions of the same contract can be called internally, whereas external functions are called by other contracts.
If you were to call a function from another contract, the EVM uses the CALL instruction, which switches the context, making its state variables inaccessible. In the following sections, we will discover two ways to call a function from another contract.
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