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dvm init commit

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This commit is contained in:
mingda
2020-10-23 17:11:50 +08:00
parent a798c553ba
commit bd75b611b4
18 changed files with 179 additions and 63 deletions
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14
contracts/DODOVenderMachine/DVMFactory.sol
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@@ -18,6 +18,19 @@ contract DVMFactory is Ownable {
address public _VAULT_TEMPLATE_;
address public _CONTROLLER_TEMPLATE_;
// base -> quote -> DVM address list
mapping(address => mapping(address => address[])) _REGISTRY_;
constructor(
address cloneFactory,
address vaultTemplate,
address controllerTemplate
) public {
_CLONE_FACTORY_ = cloneFactory;
_VAULT_TEMPLATE_ = vaultTemplate;
_CONTROLLER_TEMPLATE_ = controllerTemplate;
}
function createDODOVenderMachine(
address maintainer,
address baseToken,
@@ -46,6 +59,7 @@ contract DVMFactory is Ownable {
);
newVenderMachine = address(controller);
_REGISTRY_[baseToken][quoteToken].push(newVenderMachine);
return newVenderMachine;
}
}

109
contracts/DODOVenderMachine/impl/DVMTrader.sol
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@@ -12,58 +12,71 @@ import {DVMStorage} from "./DVMStorage.sol";
import {SafeMath} from "../../lib/SafeMath.sol";
import {DecimalMath} from "../../lib/DecimalMath.sol";
import {DODOMath} from "../../lib/DODOMath.sol";
contract DVMTrader is DVMStorage {
using SafeMath for uint256;
using SafeMath for uint256;
function sellBase (address to) external returns(uint256 receiveQuoteAmount){
uint256 baseInput = _VAULT_.getBaseInput();
uint256 mtFee;
(receiveQuoteAmount, mtFee) = querySellBase(baseInput);
_VAULT_.transferQuoteOut(to, receiveQuoteAmount);
if (mtFee>0){
_VAULT_.transferQuoteOut(_MAINTAINER_, mtFee);
function sellBase(address to) external returns (uint256 receiveQuoteAmount) {
uint256 baseInput = _VAULT_.getBaseInput();
uint256 mtFee;
(receiveQuoteAmount, mtFee) = querySellBase(baseInput);
_VAULT_.transferQuoteOut(to, receiveQuoteAmount);
if (mtFee > 0) {
_VAULT_.transferQuoteOut(_MAINTAINER_, mtFee);
}
_VAULT_.sync();
_updateBase0(); // 这里需要想想，原则上不需要update B0. 但精度问题，或者用户往合约里充值，可能导致需要updateBase0
return receiveQuoteAmount;
}
_VAULT_.sync();
_updateBase0(); // 这里需要想想，原则上不需要update B0. 但精度问题，或者用户往合约里充值，可能导致需要updateBase0
return receiveQuoteAmount;
}
function sellQuote(address to) external returns(uint256 receiveBaseAmount){
uint256 quoteInput = _VAULT_.getQuoteInput();
uint256 mtFee;
(receiveBaseAmount, mtFee) = querySellQuote(quoteInput);
_VAULT_.transferBaseOut(to, receiveBaseAmount);
if (mtFee>0){
_VAULT_.transferBaseOut(_MAINTAINER_, mtFee);
function sellQuote(address to) external returns (uint256 receiveBaseAmount) {
uint256 quoteInput = _VAULT_.getQuoteInput();
uint256 mtFee;
(receiveBaseAmount, mtFee) = querySellQuote(quoteInput);
_VAULT_.transferBaseOut(to, receiveBaseAmount);
if (mtFee > 0) {
_VAULT_.transferBaseOut(_MAINTAINER_, mtFee);
}
_VAULT_.sync();
_updateBase0();
return receiveBaseAmount;
}
_VAULT_.sync();
_updateBase0();
return receiveBaseAmount;
}
function querySellBase(uint256 payBaseAmount) public view returns(uint256 receiveQuoteAmount, uint256 mtFee){
uint256 B2 = _VAULT_._BASE_RESERVE_();
uint256 B1 = B2.add(payBaseAmount);
require(_BASE0_>=B1, "DODO_BASE_BALANCE_NOT_ENOUGH");
uint256 Q = DODOMath._GeneralIntegrate(_BASE0_, B1, B2, _I_, _K_);
uint256 lpFeeRate = _LP_FEE_RATE_MODEL_.getFeeRate(Q);
uint256 mtFeeRate = _MT_FEE_RATE_MODEL_.getFeeRate(Q);
mtFee = DecimalMath.mulCeil(Q, mtFeeRate);
receiveQuoteAmount = Q.sub(mtFee).sub(DecimalMath.mulCeil(Q, lpFeeRate));
return (receiveQuoteAmount, mtFee);
}
function querySellBase(uint256 payBaseAmount)
public
view
returns (uint256 receiveQuoteAmount, uint256 mtFee)
{
uint256 B2 = _VAULT_._BASE_RESERVE_();
uint256 B1 = B2.add(payBaseAmount);
require(_BASE0_ >= B1, "DODO_BASE_BALANCE_NOT_ENOUGH");
uint256 Q = DODOMath._GeneralIntegrate(_BASE0_, B1, B2, _I_, _K_);
uint256 lpFeeRate = _LP_FEE_RATE_MODEL_.getFeeRate(Q);
uint256 mtFeeRate = _MT_FEE_RATE_MODEL_.getFeeRate(Q);
mtFee = DecimalMath.mulCeil(Q, mtFeeRate);
receiveQuoteAmount = Q.sub(mtFee).sub(DecimalMath.mulCeil(Q, lpFeeRate));
return (receiveQuoteAmount, mtFee);
}
function querySellQuote(uint256 payQuoteAmount) public view returns(uint256 receiveBaseAmount, uint256 mtFee){
uint256 B1 = _VAULT_._BASE_RESERVE_();
uint256 fairAmount = DecimalMath.divFloor(payQuoteAmount, _I_);
uint256 newBaseReserve = DODOMath._SolveQuadraticFunctionForTrade(_BASE0_,B1,fairAmount,false, _K_);
uint256 deltaBase = B1.sub(newBaseReserve);
uint256 lpFeeRate = _LP_FEE_RATE_MODEL_.getFeeRate(payQuoteAmount);
uint256 mtFeeRate = _MT_FEE_RATE_MODEL_.getFeeRate(payQuoteAmount);
mtFee = DecimalMath.mulCeil(deltaBase, mtFeeRate);
receiveBaseAmount = deltaBase.sub(mtFee).sub(DecimalMath.mulCeil(deltaBase, lpFeeRate));
return (receiveBaseAmount, mtFee);
}
}
function querySellQuote(uint256 payQuoteAmount)
public
view
returns (uint256 receiveBaseAmount, uint256 mtFee)
{
uint256 B1 = _VAULT_._BASE_RESERVE_();
uint256 fairAmount = DecimalMath.divFloor(payQuoteAmount, _I_);
uint256 newBaseReserve = DODOMath._SolveQuadraticFunctionForTrade(
_BASE0_,
B1,
fairAmount,
false,
_K_
);
uint256 deltaBase = B1.sub(newBaseReserve);
uint256 lpFeeRate = _LP_FEE_RATE_MODEL_.getFeeRate(payQuoteAmount);
uint256 mtFeeRate = _MT_FEE_RATE_MODEL_.getFeeRate(payQuoteAmount);
mtFee = DecimalMath.mulCeil(deltaBase, mtFeeRate);
receiveBaseAmount = deltaBase.sub(mtFee).sub(DecimalMath.mulCeil(deltaBase, lpFeeRate));
return (receiveBaseAmount, mtFee);
}
}

4
contracts/DODOVenderMachine/impl/DVMVault.sol
View File

@@ -77,6 +77,10 @@ contract DVMVault is InitializableOwnable {
);
}
function getVaultReserve() public view returns (uint256 baseReserve, uint256 quoteReserve) {
return (_BASE_RESERVE_, _QUOTE_RESERVE_);
}
function getBaseBalance() public view returns (uint256 baseBalance) {
return IERC20(_BASE_TOKEN_).balanceOf(address(this));
}

83
contracts/SmartRoute/SmartRoute.sol Normal file
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@@ -0,0 +1,83 @@
/*
Copyright 2020 DODO ZOO.
SPDX-License-Identifier: Apache-2.0
*/
pragma solidity 0.6.9;
import {Ownable} from "../lib/Ownable.sol";
import {DVMController} from "../DODOVenderMachine/impl/DVMController.sol";
import {DVMVault} from "../DODOVenderMachine/impl/DVMVault.sol";
import {IERC20} from "../intf/IERC20.sol";
import {SafeERC20} from "../lib/SafeERC20.sol";
import {SafeMath} from "../lib/SafeMath.sol";
import {DecimalMath} from "../lib/DecimalMath.sol";
contract SmartRoute is Ownable {
using SafeMath for uint256;
using SafeERC20 for IERC20;
function sellBaseOnDVM(
address DVM,
address to,
uint256 baseAmount,
uint256 minReceive
) public returns (uint256 receiveAmount) {
IERC20(DVMController(DVM)._BASE_TOKEN_()).safeTransferFrom(
msg.sender,
address(DVMController(DVM)._VAULT_()),
baseAmount
);
receiveAmount = DVMController(DVM).sellBase(to);
require(receiveAmount >= minReceive, "RECEIVE_NOT_ENOUGH");
return receiveAmount;
}
function sellQuoteOnDVM(
address DVM,
address to,
uint256 quoteAmount,
uint256 minReceive
) public returns (uint256 receiveAmount) {
IERC20(DVMController(DVM)._QUOTE_TOKEN_()).safeTransferFrom(
msg.sender,
address(DVMController(DVM)._VAULT_()),
quoteAmount
);
receiveAmount = DVMController(DVM).sellBase(to);
require(receiveAmount >= minReceive, "RECEIVE_NOT_ENOUGU");
return receiveAmount;
}
function depositToDVM(
address DVM,
uint256 baseAmount,
uint256 quoteAmount
) public returns (uint256 shares) {
uint256 adjustedBaseAmount;
uint256 adjustedQuoteAmount;
(uint256 baseReserve, uint256 quoteReserve) = DVMController(DVM)
._VAULT_()
.getVaultReserve();
if (quoteReserve == 0 && baseReserve == 0) {
adjustedBaseAmount = baseAmount;
adjustedQuoteAmount = quoteAmount;
}
if (quoteReserve == 0 && baseReserve > 0) {
adjustedBaseAmount = baseAmount;
adjustedQuoteAmount = 0;
}
if (quoteReserve > 0 && baseReserve > 0) {
uint256 baseIncreaseRatio = DecimalMath.divFloor(baseAmount, baseReserve);
uint256 quoteIncreaseRatio = DecimalMath.divFloor(quoteAmount, quoteReserve);
uint256 increaseRatio = baseIncreaseRatio>quoteIncreaseRatio?quoteIncreaseRatio:baseIncreaseRatio
adjustedBaseAmount = baseAmount;
adjustedQuoteAmount = 0;
}
}
}