|This document is better viewed at https://docs.openzeppelin.com/contracts/api/finance|
This directory includes primitives for financial systems:
VestingWallethandles the vesting of Ether and ERC20 tokens for a given beneficiary. Custody of multiple tokens can be given to this contract, which will release the token to the beneficiary following a given, customizable, vesting schedule.
A vesting wallet is an ownable contract that can receive native currency and ERC20 tokens, and release these assets to the wallet owner, also referred to as "beneficiary", according to a vesting schedule.
Any assets transferred to this contract will follow the vesting schedule as if they were locked from the beginning. Consequently, if the vesting has already started, any amount of tokens sent to this contract will (at least partly) be immediately releasable.
By setting the duration to 0, one can configure this contract to behave like an asset timelock that hold tokens for a beneficiary until a specified time.
Since the wallet is
|When using this contract with any token whose balance is adjusted automatically (i.e. a rebase token), make sure to account the supply/balance adjustment in the vesting schedule to ensure the vested amount is as intended.|
Sets the sender as the initial owner, the beneficiary as the pending owner, the start timestamp and the vesting duration of the vesting wallet.
Getter for the amount of releasable
token should be the address of an
Release the native token (ether) that have already vested.
Release the tokens that have already vested.
Calculates the amount of ether that has already vested. Default implementation is a linear vesting curve.
Calculates the amount of tokens that has already vested. Default implementation is a linear vesting curve.
Virtual implementation of the vesting formula. This returns the amount vested, as a function of time, for an asset given its total historical allocation.