A Developer's Guide to Ethereum by Chris Ward & Tonino Jankov & Mislav Javor & David Attard & Mateja Kendel & Bruno Skvorc

Author:Chris Ward & Tonino Jankov & Mislav Javor & David Attard & Mateja Kendel & Bruno Skvorc [Chris Ward]
Language: eng
Format: epub
Publisher: SitePoint
Published: 2018-08-15T21:00:00+00:00

their name: the name of the functions

their payability: whether you can send ether to them

the outputs: the return value(s) of the function

their state mutability: whether the function is read-only or has write access.

This is all reasonably easy to understand from reading it. But earlier I mentioned that the ABI also defines how the user can call the functions — that is, the location of the function in relation to the smart contract address.

Knowing the name of the function is not enough; we also need to know how (where) to call it.

This is done by running a deterministic algorithm on the function properties we mentioned earlier (the name, the payability, the outputs etc.). The details of this function can be found here.

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