Learning Solidity

References:

• patric - learn blockchain 32hrs

• Tools: https://remix.ethereum.org

DataTypes:

• bool
• string
• uint
• int
• struct
• [] // variable length
• [3] // array with defined length

Contracts:

• contract ContractName

Declaration:

uint256 public favNumber;

People public person;

struct People {
  uint256 favNumber;
  string name;
}

Functions:

• function fnName

Storage type declaration:

• memory : only for args
• calldata : only for args valid inside the function and get cleanup
• storage

Importing:

• import

import './simpleStorage.sol'

Deploy Contracts:

• Deploying contracts from other contracts.

Inheritance:

• is

Overriding:

• virtual : function that we can override
• override : function which works as overriden