一些优秀的合约
https://github.com/JoinColony/colonyToken/blob/master/contracts/Vesting.sol
单人锁仓释放
https://github.com/JoinColony/colonyToken/blob/master/contracts/Vesting.sol
https://github.com/mediarichio/ProxyToken/blob/master/contracts/ERC20Vestable.sol
https://etherscan.io/address/0xd6d79f85d8cb962b15181aac0c1545d61b6c5672#code
https://gist.github.com/rstormsf/7cfb0c6b7a835c0c67b4a394b4fd9383
https://github.com/tapmydata/tap-protocol/blob/main/contracts/VestingVault.sol
https://github.com/dan13ram/grants-platform-contracts/blob/master/contracts/EtherVesting.sol
https://github.cdnweb.icu/BIOPset/vesting-contract/tree/main/contracts
https://github.com/animocabrands/ethereum-contracts-nft_staking/blob/master/contracts/staking/NftStakingV2.sol
多人线性锁仓加断崖，第二个最好