ABI refers to the application binary interface, which is a protocol for encoding and decoding data in and out of the EVM. It is the most widely used interface between two machine code modules. The official Ethereum website mentions that ABI is used to decode Solidity contracts, which are stored in binary form. The contract can be decoded using a method known as bytecode analysis.
An ABI is an open standard for interacting with a binary contract. It defines the types of information to be passed from one component of the program to another, and is structured in JSON format. The specification for an ABI contract is clear and standardized, so that any program can use it with confidence. When encoding information, it is critical to use a canonical type, which avoids the pitfall of using multiple different data formats. contract abi
The naming convention for an ABI is not defined in the specification, but rather within the contract itself. ABI is an interface that describes how an object or function interacts with a particular other component. This enables the contract to be more flexible than its counterpart, which makes it possible to add and remove functions with ease. However, it’s vital to note that the ABI is not an API for a user-friendly interface. Instead, it’s a platform for a decentralized system to execute and run applications.
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