function buy(uint256 _value) external payable;
function sell(uint256 _amount) external;
| Description | Grantee | |
|---|---|---|
BUY_ROLE |
Buy bonds against ETH or ERC-20 collateral | ANY_ADDRESS |
SELL_ROLE |
Redeem bonds for ETH or ERC-20 collateral | ANY_ADDRESS |
function deposit(address _token, uint256 _value) external payable;
function transfer(address _token, uint256 _value) external;
function execute(address _target, bytes _data) external;
| Description | Grantee | |
|---|---|---|
DEPOSIT_ROLE |
Deposit ETH or ERC-20 into the CollateralPool |
BondingCurve contract[s] |
TRANSFER_ROLE |
Transfer ETH or ERC-20 out of the CollateralPool |
BondingCurve contract[s] and Tap contract |
SAFE_EXECUTE_ROLE |
Execute balance neutral transactions on external contract | Voting [BOND] contract |
Depending on the token address the contract must also hook into the BondingCurve contract to let it [optionally] update its vBalance state variable [thus reflecting the requested changes in the price curve]
function updateTokenTap(address _token, uint256 _tap) external;
function removeTokenTap(address _token) external;
function updateVault(address _vault) external;
function withdraw() external;
| Description | Grantee | |
|---|---|---|
UPDATE_TAP_ROLE |
Update tap rate | Voting [BOND] contract |
WITHDRAW_ROLE |
Initialize ETH or ERC-20 transfer on the CollateralPool to the discretionary Vault |
ANY_ADDRESS |
Implementing the tap system as an external contract owning TRANSFER_ROLE over the CollateralPool contract provides more modularity than implementing it directly into the CollateralPool contract.
The tap contract upon initialization allows the user to set the max percentage the tap can be raised per 30-day period.