https://github.com/play3rzer0/callcalculator

A contract interaction example
https://github.com/play3rzer0/callcalculator

blockchain contract-interaction inheritance smartcontracts solidity web3

Last synced: about 4 hours ago
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A contract interaction example

• Host: GitHub
• URL: https://github.com/play3rzer0/callcalculator
• Owner: Play3rZer0
• License: mit
• Created: 2024-07-11T15:02:27.000Z (4 months ago)
• Default Branch: main
• Last Pushed: 2024-07-15T17:50:33.000Z (4 months ago)
• Last Synced: 2024-07-15T21:53:36.154Z (4 months ago)
• Topics: blockchain, contract-interaction, inheritance, smartcontracts, solidity, web3
• Language: Solidity
• Homepage:
• Size: 5.86 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# CallCalculator

A contract interaction example.

This consists of two smart contracts:

1- Calculator.sol

2- Caller.sol

The calculator contract contains the main functions. The caller contract will call a function from the calculator contract to process data.

The data are passed as arguments to a parameter in the function on the calculator contract.

The caller will pass these parameters to the calculator:

function x(uint a, uint b) public view returns(uint) { .. }

The calculator upon invocation, will take the parameters as arguments and run the function:

function add(uint x, uint y) public pure returns(uint) { .. }

Since the data is not being stored onchain, to change the state, there is no gas cost. The function called is a "pure returns" type.

Updated(7/16/24):

Added an interface to the contract for function abstraction - CalculatorInterface.sol