States & View-Functions

A state is a variable or view that can change over time. A state is always the same at the same block height.

Example Conditions

Source Code

The VTHO contract's source code is available on GitHub:
https://github.com/vechain/thor/blob/f58c17ae50f1ec8698d9daf6e05076d17dcafeaf/builtin/gen/energy.sol (opens in a new tab)

Contract address

The public VTHO contract is used. Address is identical on Test and MainNet.

0x0000000000000000000000000000456E65726779

ABI

Definition of the balanceOf that returns the VTHO balance for a given address.

{
    "constant": true,
    "inputs": [
        {
            "name": "_owner",
            "type": "address"
        }
    ],
    "name": "balanceOf",
    "outputs": [
        {
            "name": "balance",
            "type": "uint256"
        }
    ],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
}

Function definition

function balanceOf(address _owner) public view returns(uint256 balance) {}

Connex Example

const result = await connex.thor
  .account(CONTRACT_ADDRESS)
  .method(abi)
  .call(address);
  
console.log(result.decoded.balance)

Examples

Python Deployment Execute Functions