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add erc4626 connector
This commit is contained in:
parent
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commit
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)
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pragma solidity ^0.7.0;
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import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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/**
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* @dev Interface for the optional metadata functions from the ERC20 standard.
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*
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* _Available since v4.1._
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*/
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interface IERC20Metadata is IERC20 {
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/**
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* @dev Returns the name of the token.
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*/
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function name() external view returns (string memory);
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/**
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* @dev Returns the symbol of the token.
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*/
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function symbol() external view returns (string memory);
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/**
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* @dev Returns the decimals places of the token.
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*/
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function decimals() external view returns (uint8);
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}
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232
contracts/mainnet/connectors/basic-ERC4626/IERC4626.sol
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232
contracts/mainnet/connectors/basic-ERC4626/IERC4626.sol
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// SPDX-License-Identifier: MIT
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// OpenZeppelin Contracts (last updated v4.8.0) (interfaces/IERC4626.sol)
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pragma solidity ^0.7.0;
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import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
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import "./IERC20Metadata.sol";
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/**
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* @dev Interface of the ERC4626 "Tokenized Vault Standard", as defined in
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* https://eips.ethereum.org/EIPS/eip-4626[ERC-4626].
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*
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* _Available since v4.7._
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*/
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interface IERC4626 is IERC20, IERC20Metadata {
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event Deposit(address indexed sender, address indexed owner, uint256 assets, uint256 shares);
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event Withdraw(
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address indexed sender,
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address indexed receiver,
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address indexed owner,
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uint256 assets,
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uint256 shares
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);
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/**
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* @dev Returns the address of the underlying token used for the Vault for accounting, depositing, and withdrawing.
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*
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* - MUST be an ERC-20 token contract.
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* - MUST NOT revert.
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*/
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function asset() external view returns (address assetTokenAddress);
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/**
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* @dev Returns the total amount of the underlying asset that is “managed” by Vault.
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*
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* - SHOULD include any compounding that occurs from yield.
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* - MUST be inclusive of any fees that are charged against assets in the Vault.
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* - MUST NOT revert.
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*/
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function totalAssets() external view returns (uint256 totalManagedAssets);
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/**
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* @dev Returns the amount of shares that the Vault would exchange for the amount of assets provided, in an ideal
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* scenario where all the conditions are met.
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*
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* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
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* - MUST NOT show any variations depending on the caller.
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* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
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* - MUST NOT revert.
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*
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* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
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* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
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* from.
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*/
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function convertToShares(uint256 assets) external view returns (uint256 shares);
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/**
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* @dev Returns the amount of assets that the Vault would exchange for the amount of shares provided, in an ideal
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* scenario where all the conditions are met.
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*
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* - MUST NOT be inclusive of any fees that are charged against assets in the Vault.
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* - MUST NOT show any variations depending on the caller.
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* - MUST NOT reflect slippage or other on-chain conditions, when performing the actual exchange.
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* - MUST NOT revert.
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*
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* NOTE: This calculation MAY NOT reflect the “per-user” price-per-share, and instead should reflect the
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* “average-user’s” price-per-share, meaning what the average user should expect to see when exchanging to and
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* from.
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*/
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function convertToAssets(uint256 shares) external view returns (uint256 assets);
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/**
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* @dev Returns the maximum amount of the underlying asset that can be deposited into the Vault for the receiver,
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* through a deposit call.
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*
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* - MUST return a limited value if receiver is subject to some deposit limit.
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* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of assets that may be deposited.
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* - MUST NOT revert.
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*/
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function maxDeposit(address receiver) external view returns (uint256 maxAssets);
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/**
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* @dev Allows an on-chain or off-chain user to simulate the effects of their deposit at the current block, given
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* current on-chain conditions.
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*
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* - MUST return as close to and no more than the exact amount of Vault shares that would be minted in a deposit
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* call in the same transaction. I.e. deposit should return the same or more shares as previewDeposit if called
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* in the same transaction.
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* - MUST NOT account for deposit limits like those returned from maxDeposit and should always act as though the
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* deposit would be accepted, regardless if the user has enough tokens approved, etc.
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* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
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* - MUST NOT revert.
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*
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* NOTE: any unfavorable discrepancy between convertToShares and previewDeposit SHOULD be considered slippage in
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* share price or some other type of condition, meaning the depositor will lose assets by depositing.
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*/
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function previewDeposit(uint256 assets) external view returns (uint256 shares);
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/**
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* @dev Mints shares Vault shares to receiver by depositing exactly amount of underlying tokens.
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*
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* - MUST emit the Deposit event.
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* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
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* deposit execution, and are accounted for during deposit.
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* - MUST revert if all of assets cannot be deposited (due to deposit limit being reached, slippage, the user not
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* approving enough underlying tokens to the Vault contract, etc).
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*
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* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
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*/
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function deposit(uint256 assets, address receiver) external returns (uint256 shares);
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/**
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* @dev Returns the maximum amount of the Vault shares that can be minted for the receiver, through a mint call.
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* - MUST return a limited value if receiver is subject to some mint limit.
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* - MUST return 2 ** 256 - 1 if there is no limit on the maximum amount of shares that may be minted.
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* - MUST NOT revert.
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*/
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function maxMint(address receiver) external view returns (uint256 maxShares);
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/**
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* @dev Allows an on-chain or off-chain user to simulate the effects of their mint at the current block, given
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* current on-chain conditions.
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*
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* - MUST return as close to and no fewer than the exact amount of assets that would be deposited in a mint call
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* in the same transaction. I.e. mint should return the same or fewer assets as previewMint if called in the
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* same transaction.
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* - MUST NOT account for mint limits like those returned from maxMint and should always act as though the mint
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* would be accepted, regardless if the user has enough tokens approved, etc.
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* - MUST be inclusive of deposit fees. Integrators should be aware of the existence of deposit fees.
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* - MUST NOT revert.
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*
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* NOTE: any unfavorable discrepancy between convertToAssets and previewMint SHOULD be considered slippage in
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* share price or some other type of condition, meaning the depositor will lose assets by minting.
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*/
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function previewMint(uint256 shares) external view returns (uint256 assets);
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/**
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* @dev Mints exactly shares Vault shares to receiver by depositing amount of underlying tokens.
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*
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* - MUST emit the Deposit event.
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* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the mint
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* execution, and are accounted for during mint.
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* - MUST revert if all of shares cannot be minted (due to deposit limit being reached, slippage, the user not
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* approving enough underlying tokens to the Vault contract, etc).
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*
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* NOTE: most implementations will require pre-approval of the Vault with the Vault’s underlying asset token.
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*/
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function mint(uint256 shares, address receiver) external returns (uint256 assets);
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/**
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* @dev Returns the maximum amount of the underlying asset that can be withdrawn from the owner balance in the
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* Vault, through a withdraw call.
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*
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* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
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* - MUST NOT revert.
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*/
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function maxWithdraw(address owner) external view returns (uint256 maxAssets);
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/**
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* @dev Allows an on-chain or off-chain user to simulate the effects of their withdrawal at the current block,
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* given current on-chain conditions.
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*
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* - MUST return as close to and no fewer than the exact amount of Vault shares that would be burned in a withdraw
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* call in the same transaction. I.e. withdraw should return the same or fewer shares as previewWithdraw if
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* called
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* in the same transaction.
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* - MUST NOT account for withdrawal limits like those returned from maxWithdraw and should always act as though
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* the withdrawal would be accepted, regardless if the user has enough shares, etc.
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* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
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* - MUST NOT revert.
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*
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* NOTE: any unfavorable discrepancy between convertToShares and previewWithdraw SHOULD be considered slippage in
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* share price or some other type of condition, meaning the depositor will lose assets by depositing.
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*/
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function previewWithdraw(uint256 assets) external view returns (uint256 shares);
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/**
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* @dev Burns shares from owner and sends exactly assets of underlying tokens to receiver.
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*
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* - MUST emit the Withdraw event.
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* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
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* withdraw execution, and are accounted for during withdraw.
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* - MUST revert if all of assets cannot be withdrawn (due to withdrawal limit being reached, slippage, the owner
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* not having enough shares, etc).
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*
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* Note that some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
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* Those methods should be performed separately.
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*/
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function withdraw(uint256 assets, address receiver, address owner) external returns (uint256 shares);
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/**
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* @dev Returns the maximum amount of Vault shares that can be redeemed from the owner balance in the Vault,
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* through a redeem call.
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*
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* - MUST return a limited value if owner is subject to some withdrawal limit or timelock.
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* - MUST return balanceOf(owner) if owner is not subject to any withdrawal limit or timelock.
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* - MUST NOT revert.
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*/
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function maxRedeem(address owner) external view returns (uint256 maxShares);
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/**
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* @dev Allows an on-chain or off-chain user to simulate the effects of their redeemption at the current block,
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* given current on-chain conditions.
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*
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* - MUST return as close to and no more than the exact amount of assets that would be withdrawn in a redeem call
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* in the same transaction. I.e. redeem should return the same or more assets as previewRedeem if called in the
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* same transaction.
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* - MUST NOT account for redemption limits like those returned from maxRedeem and should always act as though the
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* redemption would be accepted, regardless if the user has enough shares, etc.
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* - MUST be inclusive of withdrawal fees. Integrators should be aware of the existence of withdrawal fees.
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* - MUST NOT revert.
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*
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* NOTE: any unfavorable discrepancy between convertToAssets and previewRedeem SHOULD be considered slippage in
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* share price or some other type of condition, meaning the depositor will lose assets by redeeming.
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*/
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function previewRedeem(uint256 shares) external view returns (uint256 assets);
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/**
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* @dev Burns exactly shares from owner and sends assets of underlying tokens to receiver.
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*
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* - MUST emit the Withdraw event.
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* - MAY support an additional flow in which the underlying tokens are owned by the Vault contract before the
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* redeem execution, and are accounted for during redeem.
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* - MUST revert if all of shares cannot be redeemed (due to withdrawal limit being reached, slippage, the owner
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* not having enough shares, etc).
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*
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* NOTE: some implementations will require pre-requesting to the Vault before a withdrawal may be performed.
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* Those methods should be performed separately.
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*/
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function redeem(uint256 shares, address receiver, address owner) external returns (uint256 assets);
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}
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35
contracts/mainnet/connectors/basic-ERC4626/events.sol
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35
contracts/mainnet/connectors/basic-ERC4626/events.sol
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//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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contract Events {
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event LogWithdraw(
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address indexed erc20,
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uint256 tokenAmt,
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address indexed to,
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uint256 getId,
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uint256 setId
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);
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event LogRedeem(
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address indexed erc20,
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uint256 tokenAmt,
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address indexed to,
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uint256 getId,
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uint256 setId
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);
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event LogDeposit(
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address indexed erc20,
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uint256 tokenAmt,
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address indexed receiver,
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address indexed owner,
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uint256 getId,
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uint256 setId
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);
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event LogMint(
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address indexed erc20,
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uint256 tokenAmt,
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address indexed receiver,
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address indexed owner,
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uint256 getId,
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uint256 setId
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);
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}
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136
contracts/mainnet/connectors/basic-ERC4626/main.sol
Normal file
136
contracts/mainnet/connectors/basic-ERC4626/main.sol
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//SPDX-License-Identifier: MIT
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pragma solidity ^0.7.0;
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/**
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* @title Basic.
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* @dev Deposit & Withdraw from DSA.
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*/
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import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
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import { IERC4626 } from "./IERC4626.sol";
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import { DSMath } from "../../common/math.sol";
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import { Basic } from "../../common/basic.sol";
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import { Events } from "./events.sol";
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abstract contract BasicResolver is Events, DSMath, Basic {
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using SafeERC20 for IERC4626;
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/**
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* @dev Deposit Assets To Smart Account From any user.
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* @notice Deposit a token to DSA from any user.
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* @param token The address of the token to deposit.
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* @param amt The amount of tokens to deposit. (For max: `uint256(-1)`)
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* @param from The address depositing the token.
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens deposited.
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*/
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function deposit(
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address token,
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uint256 amt,
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address from,
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uint256 getId,
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uint256 setId
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)
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public
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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uint _amt = getUint(getId, amt);
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IERC4626 tokenContract = IERC4626(token);
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_amt = _amt == uint(-1) ? tokenContract.balanceOf(from) : _amt;
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uint _shares = tokenContract.deposit(_amt, from);
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setUint(setId, _shares);
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_eventName = "LogDeposit(address,uint256,address,uint256,uint256)";
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_eventParam = abi.encode(token, _amt, from, getId, setId);
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}
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function mint(
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address token,
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uint256 amt,
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address from,
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uint256 getId,
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uint256 setId
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)
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public
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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uint _amt = getUint(getId, amt);
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IERC4626 tokenContract = IERC4626(token);
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_amt = _amt == uint(-1) ? tokenContract.balanceOf(from) : _amt;
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uint _shares = tokenContract.mint(_amt, from);
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setUint(setId, _shares);
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_eventName = "LogMint(address,uint256,address,uint256,uint256)";
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_eventParam = abi.encode(token, _amt, from, getId, setId);
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}
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/**
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* @dev Withdraw Assets from Smart Account
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* @notice Withdraw a token from DSA
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* @param token The address of the token to withdraw.
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* @param amt The amount of tokens to withdraw. (For max: `uint256(-1)`)
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* @param receiver The address to receive the token upon withdrawal
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* @param getId ID to retrieve amt.
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* @param setId ID stores the amount of tokens withdrawn.
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*/
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function withdraw(
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address token,
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uint amt,
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address receiver,
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address owner,
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uint getId,
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uint setId
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)
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public
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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uint _amt = getUint(getId, amt);
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IERC4626 tokenContract = IERC4626(token);
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_amt = _amt == uint(-1)
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? tokenContract.balanceOf(address(this))
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: _amt;
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uint _shares = tokenContract.withdraw(_amt, receiver, owner);
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setUint(setId, _shares);
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_eventName = "LogWithdraw(address,uint256,address,address,uint256,uint256)";
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_eventParam = abi.encode(token, _amt, receiver, owner, getId, setId);
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}
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function redeem(
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address token,
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uint amt,
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address receiver,
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address owner,
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uint getId,
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uint setId
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)
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public
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payable
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returns (string memory _eventName, bytes memory _eventParam)
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{
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uint _amt = getUint(getId, amt);
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IERC4626 tokenContract = IERC4626(token);
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_amt = _amt == uint(-1)
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? tokenContract.balanceOf(address(this))
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: _amt;
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uint _shares = tokenContract.redeem(_amt, receiver, owner);
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setUint(setId, _shares);
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_eventName = "LogRedeem(address,uint256,address,address,uint256,uint256)";
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_eventParam = abi.encode(token, _amt, receiver, owner, getId, setId);
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}
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}
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contract ConnectV2Basic is BasicResolver {
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string public constant name = "BASIC-ERC4626-A";
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}
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2
package-lock.json
generated
2
package-lock.json
generated
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@ -9,7 +9,7 @@
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"version": "1.0.0",
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"license": "ISC",
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"dependencies": {
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"@openzeppelin/contracts": "^3.4.0-solc-0.7",
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"@openzeppelin/contracts": "^3.4.2",
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"@typechain/ethers-v5": "^8.0.5",
|
||||
"@typechain/hardhat": "^3.0.0",
|
||||
"@uniswap/sdk-core": "^3.0.1",
|
||||
|
|
Loading…
Reference in New Issue
Block a user