hey-network/mainchain

\textup{claimableTokens}(t) = \left\{\begin{matrix}
0 & if & t < t_{cliff}\\
\\
V * \frac{t-t_{start}}{t_{start}-t_{end}} &  if & t_{cliff} \leq t < t_{end}\\
\\
V & if & t \geq t_{end}
\end{matrix}\right.