TimeCrowdsale.open() always returns as closed after deployed to development network

Question

In a nutshell Im not understanding why my deployed TimedCrowdsale never opens

Deploying a TimeCrowdsale contract to the Truffle development network

In my migration script I deploy the TimeCrowdsale contract. After deployment I realise the crowdsale never gets to open state. Every time i run the debug script i get the same result.

Executing crowdsale_debug.js
crowdsale open?: false
crowdsale opening time: 1641354700
crowdsale closing time: 1641355000

Latest block timestamp: 1641354615

The isOpen() function of the TimedCrowdsale.sol is as follow

function isOpen() public view returns (bool) {
        return block.timestamp >= _openingTime && block.timestamp <= _closingTime;
    }

I know that in testing you can use the openzep testhelpers to advance time. But how will I do so outside of testing?

Answer 1

The block timestamp is lower than the opening time. So this part of the expression returns false

// 1641354615 >= 1641354700 // false
block.timestamp >= _openingTime

which causes the isOpen() function to return false.

---

You can increase the Ganache (Truffle development network) time using the evm_increaseTime JSON-RPC method, passing it the amount of seconds as the only parameter.

Outside of the test script, you can send a CURL request to your local Ganache network:

curl -X POST \
  http://localhost:7545 \
  -H 'Content-Type: application/json' \
  -d '{
    "jsonrpc": "1.0",
    "id": "curltest",
    "method": "evm_increaseTime",
    "params": [
      100000
  ]
}'