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Call Auction

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This commit is contained in:
mingda
2020-12-08 18:13:45 +08:00
parent 7c0ee89823
commit 09ff15e85b
3 changed files with 57 additions and 36 deletions
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46
contracts/CallAuction/impl/CAFunding.sol
View File

@@ -21,7 +21,12 @@ contract CAFunding is CAStorage {
// ============ BID ============
function bid(address to) external phaseBid preventReentrant {
modifier isBidderAllow(address bidder) {
require(_BIDDER_PERMISSION_.isAllowed(bidder), "BIDDER_NOT_ALLOWED");
_;
}
function bid(address to) external phaseBid preventReentrant isBidderAllow(to) {
uint256 input = _getQuoteInput();
_QUOTE_SHARES_[to] = _QUOTE_SHARES_[to].add(input);
_TOTAL_QUOTE_SHARES_ = _TOTAL_QUOTE_SHARES_.add(input);
@@ -30,18 +35,11 @@ contract CAFunding is CAStorage {
// ============ CALM ============
function cancel(
address to,
uint256 amount,
bytes memory data
) external phaseBidOrCalm preventReentrant {
function cancel(address to, uint256 amount) external phaseBidOrCalm preventReentrant {
require(_QUOTE_SHARES_[msg.sender] >= amount, "SHARES_NOT_ENOUGH");
_QUOTE_SHARES_[msg.sender] = _QUOTE_SHARES_[msg.sender].sub(amount);
_transferQuoteOut(to, amount);
_sync();
if (data.length > 0) {
IDODOCallee(to).CACancelCall(msg.sender, amount, data);
}
}
// ============ SETTLEMENT ============
@@ -52,16 +50,20 @@ contract CAFunding is CAStorage {
uint256 quoteBalance = _QUOTE_TOKEN_.balanceOf(address(this));
uint256 baseBalance = _BASE_TOKEN_.balanceOf(address(this));
uint256 mtFee;
(_TOTAL_SOLD_BASE_, mtFee) = getBaseSold();
// 1. maintainer quote
_transferQuoteOut(_MAINTAINER_, mtFee);
// 2. remaining quote
_transferQuoteOut(_QUOTE_PAY_BACK_, quoteBalance.sub(mtFee));
// 3. base token pay back
// 1. sold base remaining in the contract
_TOTAL_SOLD_BASE_ = getBaseSold();
// 2. left base send out
_transferBaseOut(_BASE_PAY_BACK_, baseBalance.sub(_TOTAL_SOLD_BASE_));
// 4. left base in contract
// 3. used quote token
uint256 usedQuote = _QUOTE_CAP_ <= quoteBalance ? _QUOTE_CAP_ : quoteBalance;
_transferQuoteOut(_QUOTE_PAY_BACK_, usedQuote);
// 4. unused quote token
_TOTAL_UNUSED_QUOTE_ = quoteBalance.sub(usedQuote);
// 5. external call
if (_BASE_PAY_BACK_CALL_DATA_.length > 0) {
(bool success, ) = _BASE_PAY_BACK_.call(_BASE_PAY_BACK_CALL_DATA_);
@@ -76,18 +78,20 @@ contract CAFunding is CAStorage {
// ============ Pricing ============
function getAvgPrice() public view returns (uint256 avgPrice) {
(uint256 baseSold, ) = getBaseSold();
uint256 baseSold = getBaseSold();
avgPrice = DecimalMath.divFloor(_QUOTE_TOKEN_.balanceOf(address(this)), baseSold);
}
function getBaseByUser(address user) public view returns (uint256 baseAmount) {
(uint256 baseSold, ) = getBaseSold();
uint256 baseSold = getBaseSold();
baseAmount = baseSold.mul(_QUOTE_SHARES_[user]).div(_TOTAL_QUOTE_SHARES_);
}
function getBaseSold() public view returns (uint256 baseSold, uint256 mtFee) {
function getBaseSold() public view returns (uint256 baseSold) {
uint256 quoteBalance = _QUOTE_TOKEN_.balanceOf(address(this));
mtFee = DecimalMath.mulFloor(quoteBalance, _QUOTE_MAINTAINER_FEE_RATE_);
if (quoteBalance > _QUOTE_CAP_) {
quoteBalance = _QUOTE_CAP_;
}
(baseSold, ) = PMMPricing.sellQuoteToken(_getPMMState(), quoteBalance);
}

13
contracts/CallAuction/impl/CAStorage.sol
View File

@@ -10,6 +10,7 @@ pragma experimental ABIEncoderV2;
import {InitializableOwnable} from "../../lib/InitializableOwnable.sol";
import {ReentrancyGuard} from "../../lib/ReentrancyGuard.sol";
import {IPermissionManager} from "../../lib/PermissionManager.sol";
import {SafeMath} from "../../lib/SafeMath.sol";
import {IERC20} from "../../intf/IERC20.sol";
@@ -27,13 +28,12 @@ contract CAStorage is InitializableOwnable, ReentrancyGuard {
IERC20 public _BASE_TOKEN_;
IERC20 public _QUOTE_TOKEN_;
address public _MAINTAINER_;
address public _BASE_PAY_BACK_;
address public _QUOTE_PAY_BACK_;
// ============ Distribution Parameters ============
uint256 _QUOTE_MAINTAINER_FEE_RATE_;
uint256 _QUOTE_CAP_;
address public _BASE_PAY_BACK_;
address public _QUOTE_PAY_BACK_;
bytes _BASE_PAY_BACK_CALL_DATA_;
bytes _QUOTE_PAY_BACK_CALL_DATA_;
@@ -42,9 +42,12 @@ contract CAStorage is InitializableOwnable, ReentrancyGuard {
uint256 public _QUOTE_RESERVE_;
uint256 public _BASE_RESERVE_;
uint256 public _TOTAL_SOLD_BASE_;
uint256 public _TOTAL_UNUSED_QUOTE_;
uint256 public _TOTAL_QUOTE_SHARES_;
mapping(address => uint256) internal _QUOTE_SHARES_;
mapping(address => uint256) internal _CLAIMED_BALANCES_;
mapping(address => bool) internal _QUOTE_CLAIMED_;
mapping(address => uint256) internal _CLAIMED_BASE_;
IPermissionManager public _BIDDER_PERMISSION_;
// ============ Time Lock ============

34
contracts/CallAuction/impl/CAVesting.sol
View File

@@ -28,10 +28,16 @@ contract LockedTokenVault is CAFunding {
// ============ Functions ============
function claim() external {
uint256 claimableToken = getClaimableBalance(msg.sender);
function claimBase() external {
uint256 claimableToken = getClaimableBaseBalance(msg.sender);
_transferBaseOut(msg.sender, claimableToken);
_CLAIMED_BALANCES_[msg.sender] = _CLAIMED_BALANCES_[msg.sender].add(claimableToken);
_CLAIMED_BASE_[msg.sender] = _CLAIMED_BASE_[msg.sender].add(claimableToken);
}
function claimQuote() external {
require(!_QUOTE_CLAIMED_[msg.sender], "QUOTE_CLAIMED");
_QUOTE_CLAIMED_[msg.sender] = true;
_transferQuoteOut(msg.sender, getClaimableQuoteBalance(msg.sender));
}
// ============ View ============
@@ -41,20 +47,20 @@ contract LockedTokenVault is CAFunding {
}
function getClaimedBaseBalance(address holder) public view returns (uint256) {
return _CLAIMED_BALANCES_[holder];
return _CLAIMED_BASE_[holder];
}
function getClaimableBalance(address holder) public view returns (uint256) {
uint256 remainingToken = getRemainingBalance(holder);
return getOriginBaseBalance(holder).sub(remainingToken).sub(_CLAIMED_BALANCES_[holder]);
function getClaimableBaseBalance(address holder) public view returns (uint256) {
uint256 remainingToken = getRemainingBaseBalance(holder);
return getOriginBaseBalance(holder).sub(remainingToken).sub(_CLAIMED_BASE_[holder]);
}
function getRemainingBalance(address holder) public view returns (uint256) {
uint256 remainingRatio = getRemainingRatio(block.timestamp);
function getRemainingBaseBalance(address holder) public view returns (uint256) {
uint256 remainingRatio = getRemainingBaseRatio(block.timestamp);
return DecimalMath.mulFloor(getOriginBaseBalance(holder), remainingRatio);
}
function getRemainingRatio(uint256 timestamp) public view returns (uint256) {
function getRemainingBaseRatio(uint256 timestamp) public view returns (uint256) {
if (timestamp < _START_VESTING_TIME_) {
return DecimalMath.ONE;
}
@@ -66,4 +72,12 @@ contract LockedTokenVault is CAFunding {
return 0;
}
}
function getClaimableQuoteBalance(address holder) public view returns (uint256) {
if (!_QUOTE_CLAIMED_[msg.sender]) {
return 0;
} else {
return _TOTAL_UNUSED_QUOTE_.mul(_QUOTE_SHARES_[holder]).div(_TOTAL_QUOTE_SHARES_);
}
}
}