d-bis/dodo-contractV2
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add getMidPrice

Browse Source
This commit is contained in:
mingda
2020-07-11 01:16:26 +08:00
parent aacc3ca91e
commit e9427eafb5
1 changed files with 19 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
contracts/impl/Pricing.sol
View File

@@ -157,6 +157,25 @@ contract Pricing is Storage {
} }
} }
function getMidPrice() public view returns (uint256 midPrice) {
(uint256 baseTarget, uint256 quoteTarget) = getExpectedTarget();
if (_R_STATUS_ == Types.RStatus.BELOW_ONE) {
uint256 R = DecimalMath.divFloor(
quoteTarget.mul(quoteTarget).div(_QUOTE_BALANCE_),
_QUOTE_BALANCE_
);
R = DecimalMath.ONE.sub(_K_).add(DecimalMath.mul(_K_, R));
return DecimalMath.divFloor(getOraclePrice(), R);
} else {
uint256 R = DecimalMath.divFloor(
baseTarget.mul(baseTarget).div(_BASE_BALANCE_),
_BASE_BALANCE_
);
R = DecimalMath.ONE.sub(_K_).add(DecimalMath.mul(_K_, R));
return DecimalMath.mul(getOraclePrice(), R);
}
}
function _RAboveIntegrate( function _RAboveIntegrate(
uint256 B0, uint256 B0,
uint256 B1, uint256 B1,