04-execute-transaction.md

Confirm Transaction

1. Checkout the exercise

git checkout exercise-04

2. Exercise

Write your code inside contracts/MultiSigWallet.sol

Complete the executeTransaction function

function executeTransaction(uint _txIndex)
    public
    onlyOwner
    txExists(_txIndex)
    notExecuted(_txIndex)
{

}

• Execute the transaction
  • it should require that number of confirmations >= numConfirmationsRequired
  • set executed to true
  • execute the transaction using the low level call method
  • require that the transaction executed successfully
  • emit ExecuteTransaction

event ExecuteTransaction(address indexed owner, uint indexed txIndex);

3. Test

Test your code

npm test

4. Solution

git checkout exercise-04-solution