d-bis/dodo-contractV2
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update math

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This commit is contained in:
owen05
2022-04-24 11:29:20 +08:00
parent 4818413d6c
commit 9c90b8ebdf
1 changed files with 4 additions and 3 deletions
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7
contracts/lib/DODOMath.sol
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@@ -68,9 +68,6 @@ library DODOMath {
uint256 i, uint256 i,
uint256 k uint256 k
) internal pure returns (uint256) { ) internal pure returns (uint256) {
// if (V1 == 0) {
// return 0;
// }
if (k == 0) { if (k == 0) {
return V1.add(DecimalMath.mulFloor(i, delta)); return V1.add(DecimalMath.mulFloor(i, delta));
} }
@@ -78,6 +75,10 @@ library DODOMath {
// sqrt = √(1+4kidelta/V1) // sqrt = √(1+4kidelta/V1)
// premium = 1+(sqrt-1)/2k // premium = 1+(sqrt-1)/2k
// uint256 sqrt = (4 * k).mul(i).mul(delta).div(V1).add(DecimalMath.ONE2).sqrt(); // uint256 sqrt = (4 * k).mul(i).mul(delta).div(V1).add(DecimalMath.ONE2).sqrt();
if (V1 == 0) {
return 0;
}
uint256 sqrt; uint256 sqrt;
uint256 ki = (4 * k).mul(i); uint256 ki = (4 * k).mul(i);
if (ki == 0) { if (ki == 0) {