Say Hello in Solidity

A simple example of say hello in Solidity.

    mapping(address => string) public greetings;

greeting format stored: 0x680cde08860141f9d223ce4e620b10cd6741037e says hello to Dani!!!

Environment variables

Create a .env file using example.env as a template

scripts

Install dependencies

npm install

Deploy SayHello Smart Contract

npm run deploy

Check the state of the Smart Contract

npx hardhat getGreetings --account 0x680cde08860141F9D223cE4E620B10Cd6741037E

Interact with the Smart Contract using hardhat task

npx hardhat sayHelloTo --someone Dani

Usage

After the deployment, you can call the sayHelloTo method, with a someone string parameter:

0x57cb13cbef735fbdd65f5f2866638c546464e45f says hello to Daniel!!!