108 lines
3.3 KiB
Solidity
108 lines
3.3 KiB
Solidity
/*
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Copyright 2020 DODO ZOO.
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SPDX-License-Identifier: Apache-2.0
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*/
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pragma solidity 0.6.9;
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pragma experimental ABIEncoderV2;
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import {InitializableOwnable} from "../../lib/InitializableOwnable.sol";
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import {ReentrancyGuard} from "../../lib/ReentrancyGuard.sol";
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import {SafeMath} from "../../lib/SafeMath.sol";
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import {DODOMath} from "../../lib/DODOMath.sol";
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import {DecimalMath} from "../../lib/DecimalMath.sol";
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import {IPermissionManager} from "../../lib/PermissionManager.sol";
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import {IFeeRateModel} from "../../intf/IFeeRateModel.sol";
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import {DVMVault} from "./DVMVault.sol";
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contract DVMStorage is InitializableOwnable, ReentrancyGuard {
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using SafeMath for uint256;
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// ============ Variables for Control ============
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uint256 public _GAS_PRICE_LIMIT_;
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// ============ Advanced Controls ============
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bool public _BUYING_CLOSE_;
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bool public _SELLING_CLOSE_;
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IPermissionManager public _TRADE_PERMISSION_;
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// ============ Core Address ============
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address public _MAINTAINER_; // collect maintainer fee
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address public _BASE_TOKEN_;
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address public _QUOTE_TOKEN_;
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// ============ Variables for Pricing ============
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IFeeRateModel public _LP_FEE_RATE_MODEL_;
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IFeeRateModel public _MT_FEE_RATE_MODEL_;
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uint256 public _K_;
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uint256 public _I_;
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DVMVault public _VAULT_;
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// ============ Modifiers ============
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modifier isBuyAllow(address trader) {
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require(!_BUYING_CLOSE_ && _TRADE_PERMISSION_.isAllowed(trader), "TRADER_BUY_NOT_ALLOWED");
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_;
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}
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modifier isSellAllow(address trader) {
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require(
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!_SELLING_CLOSE_ && _TRADE_PERMISSION_.isAllowed(trader),
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"TRADER_SELL_NOT_ALLOWED"
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);
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_;
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}
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// ============ Helper Functions ============
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function calculateBase0(uint256 baseAmount, uint256 quoteAmount) public view returns (uint256) {
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uint256 fairAmount = DecimalMath.divFloor(quoteAmount, _I_);
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return DODOMath._SolveQuadraticFunctionForTarget(baseAmount, _K_, fairAmount);
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}
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function getBase0() public view returns (uint256) {
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(uint256 baseAmount, uint256 quoteAmount) = _VAULT_.getVaultReserve();
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uint256 fairAmount = DecimalMath.divFloor(quoteAmount, _I_);
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return DODOMath._SolveQuadraticFunctionForTarget(baseAmount, _K_, fairAmount);
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}
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// ============ Setting Functions ============
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function setLpFeeRateModel(address newLpFeeRateModel) external onlyOwner {
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_LP_FEE_RATE_MODEL_ = IFeeRateModel(newLpFeeRateModel);
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}
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function setMtFeeRateModel(address newMtFeeRateModel) external onlyOwner {
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_MT_FEE_RATE_MODEL_ = IFeeRateModel(newMtFeeRateModel);
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}
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function setTradePermissionManager(address newTradePermissionManager) external onlyOwner {
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_TRADE_PERMISSION_ = IPermissionManager(newTradePermissionManager);
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}
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function setMaintainer(address newMaintainer) external onlyOwner {
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_MAINTAINER_ = newMaintainer;
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}
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function setGasPriceLimit(uint256 newGasPriceLimit) external onlyOwner {
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_GAS_PRICE_LIMIT_ = newGasPriceLimit;
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}
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function setBuy(bool open) external onlyOwner {
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_BUYING_CLOSE_ = !open;
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}
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function setSell(bool open) external onlyOwner {
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_SELLING_CLOSE_ = !open;
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}
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}
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