il vero problema non è l'unlockTimeStamp ma la funzione che permette all'owner di bloccare e sbloccare i conti a proprio piacimento
function transfer(address _to, uint _value) returns (bool success) {
if (now < unlockTimeStamp && !_lockByPass[msg.sender]) return false;
return super.transfer(_to, _value);
}
function transferFrom(address _from, address _to, uint _value) returns (bool success) {
if (now < unlockTimeStamp && !_lockByPass[_from]) return false;
return super.transferFrom(_from, _to, _value);
}
function setLockByPass(address[] addresses, bool locked) onlyOwner{
for (uint i = 0; i < addresses.length; i++) {
_lockByPass[addresses[i]] = locked;
}
}