raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract Vars {
    
    // State variables 
    uint age ;
    address public myAddr = msg.sender;

    function random() external view returns (uint){

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract PaymentData {
    enum paymodes {
        None,
        Cash,
        Crypto,
        Online,
        Cheque

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract struct_sample {

    struct myOrg {
        string name;
        uint num_emp;
    }

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract array_sample {
    uint[] myDynArray ; // length is 0
    uint[] someVal = [1,2,3];  // length is 3
  
  // Check the content of each array
    function getElements() public view returns (uint[] memory, uint[] memory){
        return (myDynArray, someVal);

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract XYZ {
  
  uint[] x;

  function f1 (uint[] calldata _x) external {
      x = _x ;
  }

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;


contract map_demo {
    
    mapping (address => uint) Eth_users;

    function add_amnt(address _myadd, uint _amnt) external {
        Eth_users[_myadd] = _amnt;

raj-pranav

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.9.0;

contract demo_for {
    uint public counter = 0;
    
    function update_cnt() public {
               
        for (uint i=0 ; i<10 ; i++){

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract demo_if {
    uint x = 10;
    function Compare (uint _x) external view returns (string memory){
        if (_x >= x) {   // if section
            return 'Given value is greater or equal to x';}
        else {          // else section
            return 'Given value is less than x';

raj-pranav

// SPDX-License-Identifier: MIT
pragma solidity >=0.6.0 <0.9.0;

contract Consttr {
  
  constructor () {}
  
}

raj-pranav

// SPDX-License-Identifier:MIT
pragma solidity >=0.6.0 <0.9.0;

contract Event_sample {
    event HighValueTx(
      address _from,
      address _to,
      uint amount,
      uint timeStamp  
    );