1 function _getDistributionDate(
2     uint256 nInterval,
3     address _token
4 ) internal view returns (uint256) {
5     if (
6         getStateVariableTokenUint256(
7             uint256(KeyPrefix.nDistributions),
8             _token
9         ) <= nInterval
10     ) {
11         return 0;
12     }
13     uint256 r = getStateVariableTokenUint256(
14         uint256(KeyPrefix.distributionInterval),
15         _token
16     );
17     return
18         getStateVariableTokenUint256(
19             uint256(KeyPrefix.firstDistributionDate),
20             _token
21         ).add(r.mul(nInterval));
22 }