97 lines
2.6 KiB
Solidity
97 lines
2.6 KiB
Solidity
// SPDX-License-Identifier: CC0-1.0
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pragma solidity ^0.8.0;
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import "@openzeppelin/contracts/access/AccessControl.sol";
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import "./Finance.sol";
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import "./libraries/CloneFactory.sol";
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import "./interfaces/IFactory.sol";
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contract Factory is AccessControl, IFactory {
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// Vaults
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address[] public allFinances;
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/// Address of cdp nft registry
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address public override abt;
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/// Address of Wrapped Ether
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address public override WETH;
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/// Address of manager
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address public override manager;
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/// version number of impl
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uint256 version;
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/// address of vault impl
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address public impl;
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constructor() {
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_setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
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_createImpl();
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}
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/// Vault can issue stablecoin, it just manages the position
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function createFinance(
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address weth_,
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uint256 amount_,
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address recipient
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) external override returns (address vault, uint256 id) {
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require(msg.sender == manager, "Factory: IA");
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uint256 gIndex = allFinancesLength();
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address proxy = CloneFactory._createClone(impl);
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IFinance(proxy).initialize(manager, gIndex, abt, amount_, weth_);
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allFinances.push(proxy);
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IABT(abt).mint(recipient);
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return (proxy, gIndex);
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}
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// Set immutable, consistent, one rule for vault implementation
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function _createImpl() internal {
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address addr;
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bytes memory bytecode = type(Finance).creationCode;
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bytes32 salt = keccak256(abi.encodePacked("finance", version));
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assembly {
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addr := create2(0, add(bytecode, 0x20), mload(bytecode), salt)
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if iszero(extcodesize(addr)) {
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revert(0, 0)
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}
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}
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impl = addr;
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}
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function isClone(address vault) external view returns (bool cloned) {
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cloned = CloneFactory._isClone(impl, vault);
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}
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function initialize(
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address abt_,
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address weth_,
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address manager_,
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uint256 version_
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) public {
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require(hasRole(DEFAULT_ADMIN_ROLE, _msgSender()), "IA"); // Invalid Access
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abt = abt_;
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WETH = weth_;
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manager = manager_;
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version = version_;
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}
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function getFinance(uint256 financeId_)
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external
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view
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override
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returns (address)
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{
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return allFinances[financeId_];
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}
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function financeCodeHash()
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external
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pure
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override
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returns (bytes32 vaultCode)
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{
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return keccak256(hex"3d602d80600a3d3981f3");
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}
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function allFinancesLength() public view returns (uint256) {
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return allFinances.length;
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}
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}
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