Solidity functions within Hardhat environment

This project demonstrates examples of Solidity contracts.

To deploy contract do those steps:

- npx hardhat compile
- npx hardhat run --network <your network> scripts/<name of the script file>.js

Database.sol:

Initiation of number and name of Person to the database. Storing all initiated informations and getting stored numbers with possibility of retrieving double number stored.

Donation.sol

Donation possibility to chosen account or owner of the contract. Also possibility to generate informations about amount of donations for both of them.

Emotions.sol

Possiblity to set emotion status of your choice from: Nothing, Love, Like, Hate and getting feedback which one has been chosen.

Inbox.sol

Setting two different messages and getting them on demand.

LibraryTerminal.sol

Adding people to the base by their names.

ShipmentStatus.sol

Getting shipment status from the contract: Pending/Shipped/Delivered.

Token.sol

Creation of ERC20 Token. Setting your own name, symbol, decimals and supply of the Token. Possible transfers and approval of transactions.

Guess.sol

Guess solvable be everyone with text reward. 

Puzzle.sol

Simple riddle with reward. Everytime you try to guess you have to pay 0.005 ether. Reward cumulates from entries and only one account will win and get all the money. After that no other account can win reward anymore.

UpgradedFile.sol

Upgradeable contracts with deployment script /scripts/UpgradedFile.js

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