The receive Function

Learn about the Solidity’s receive payable function.

A contract in Solidity can only have one receive function, which is declared using the receive keyword (without the function keyword). The receive function within a contract serves a specific purpose and is crucial in handling Ether transfers. This function can’t take parameters, can’t return anything, and must be externally visible and mutable in its payable state. It can be virtual, overrideable, and modifiable.

Characteristics of the receive function

  • No parameters or return values: The receive function accepts no parameters and returns no value; it’s only intended to receive Ether.

  • External and payable: The receive function must be external payable. The external visibility modification enables the function to be invoked from outside the contract, and the payable modifier indicates that it can receive Ether.

  • No overloading: The receive function, ...