Nym vesting contract

1. Initial vesting tokens are deposited and assigned to existing addresses via CreatePeriodicVestingAccount
2. Admin account can then delegate vested and unvested tokens to mixnodes on behalf of vesting accounts
3. Vesting accounts can withdraw vested and undelegated (spendable) coins to their addresses

Glossary

| Term | Definition | | ----------------------- | --------------------------------------------------------------------------------------------- | | original vesting coins | vesting amount specified at account creation | | vested coins | coins vested up to the current vesting period, current period excluded | | vesting coins | original vesting amount minus vested coins, claimed rewards are not part of vesting coins | | delegated free coins | delegated coins that have vested | | delegated vesting coins | total delegation amount minus delegated free coins | | pledged free coins | pledged coins that have vested | | pledged vesting coins | total pledge amount minus pledged free coins | | locked coins | vesting coins minus delegated vesting and pledged vesting coins | | spendable coins | current vesting account balance minus locked coins |

Vesting coin delegation flow