Basic contract in Solidity
Solidity is a programming language for writing smart contracts on the Ethereum blockchain. Here’s a basic example of how to write a simple smart contract in Solidity:
This is a simple contract that stores a single variable, “storedData,” and has two functions, “set” and “get.” The “set” function takes in a single input, “x,” and sets “storedData” to the value of “x.” The “get” function returns the current value of “storedData.”
The first line of the code is the Solidity version pragma, which specifies the compiler version. The contract keyword is used to define a new contract, and the name of the contract is “SimpleStorage.”
The “uint” keyword is used to define an unsigned integer variable, and “public” is used to define the visibility of the function. The “view” keyword is used to define a function that only reads state and does not modify it.
To compile this code, you can use a tool such as Remix, which is an online Solidity compiler and IDE. Once the code is compiled, you can deploy the contract to the Ethereum network and interact with it using a tool such as MetaMask.
Note that this is a basic example to understand the structure of a smart contract and there are many more features and considerations to keep in mind when creating a real-world smart contract. It’s important to keep in mind the security aspects, testing, and gas costs of smart contracts before deploying it to the mainnet.