d-bis/dodo-contractV2
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This commit is contained in:
mingda
2020-12-11 22:52:00 +08:00
parent 14279a2073
commit d54a7c2cb4
8 changed files with 280 additions and 270 deletions
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5
contracts/lib/DODOMath.sol
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@@ -42,6 +42,9 @@ library DODOMath {
) internal pure returns (uint256) {
require(V0 > 0, "TARGET_IS_ZERO");
uint256 fairAmount = i.mul(V1.sub(V2)); // i*delta
if (k == 0) {
return fairAmount;
}
uint256 V0V0V1V2 = DecimalMath.divFloor(V0.mul(V0).div(V1), V2);
uint256 penalty = DecimalMath.mulFloor(k, V0V0V1V2); // k(V0^2/V1/V2)
return DecimalMath.ONE.sub(k).add(penalty).mul(fairAmount).div(DecimalMath.ONE2);
@@ -117,7 +120,7 @@ library DODOMath {
}
if (k == 0) {
return DecimalMath.mulFloor(i, delta);
return DecimalMath.mulFloor(i, delta) > V1 ? V1 : DecimalMath.mulFloor(i, delta);
}
if (k == DecimalMath.ONE) {