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Merge pull request #130 from skalenetwork/enhancement/SKALE-2347-roun…
…ding-errors Enhancement/skale 2347 rounding errors
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| pragma solidity 0.5.16; | ||
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| import "../utils/MathUtils.sol"; | ||
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| contract MathUtilsTester { | ||
| using MathUtils for uint; | ||
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| function boundedSub(uint256 a, uint256 b) external returns (uint256) { | ||
| return a.boundedSub(b); | ||
| } | ||
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| function boundedSubWithoutEvent(uint256 a, uint256 b) external pure returns (uint256) { | ||
| return a.boundedSubWithoutEvent(b); | ||
| } | ||
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| function muchGreater(uint256 a, uint256 b) external pure returns (bool) { | ||
| return a.muchGreater(b); | ||
| } | ||
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| function approximatelyEqual(uint256 a, uint256 b) external pure returns (bool) { | ||
| return a.approximatelyEqual(b); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| StringUtils.sol - SKALE Manager | ||
| Copyright (C) 2018-Present SKALE Labs | ||
| @author DmytroStebaiev | ||
| SKALE Manager is free software: you can redistribute it and/or modify | ||
| it under the terms of the GNU Affero General Public License as published | ||
| by the Free Software Foundation, either version 3 of the License, or | ||
| (at your option) any later version. | ||
| SKALE Manager is distributed in the hope that it will be useful, | ||
| but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| GNU Affero General Public License for more details. | ||
| You should have received a copy of the GNU Affero General Public License | ||
| along with SKALE Manager. If not, see <https://www.gnu.org/licenses/>. | ||
| */ | ||
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| pragma solidity 0.5.16; | ||
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| library MathUtils { | ||
| event UnderflowError( | ||
| uint a, | ||
| uint b | ||
| ); | ||
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| uint constant EPS = 1e6; | ||
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| function boundedSub(uint256 a, uint256 b) internal returns (uint256) { | ||
| if (a >= b) { | ||
| return a - b; | ||
| } else { | ||
| emit UnderflowError(a, b); | ||
| return 0; | ||
| } | ||
| } | ||
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| function boundedSubWithoutEvent(uint256 a, uint256 b) internal pure returns (uint256) { | ||
| if (a >= b) { | ||
| return a - b; | ||
| } else { | ||
| return 0; | ||
| } | ||
| } | ||
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| function muchGreater(uint256 a, uint256 b) internal pure returns (bool) { | ||
| assert(uint(-1) - EPS > b); | ||
| return a > b + EPS; | ||
| } | ||
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| function approximatelyEqual(uint256 a, uint256 b) internal pure returns (bool) { | ||
| if (a > b) { | ||
| return a - b < EPS; | ||
| } else { | ||
| return b - a < EPS; | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,9 +1,4 @@ | ||
| for file in test/$TESTFOLDERS/* | ||
| do | ||
| file=${file:7} | ||
| if [ ! -f "test/$file" ]; then | ||
| file="delegation/$file" | ||
| fi | ||
| npx buidler coverage --testfiles test/$file --solcoverjs .solcover.js || exit 4 | ||
| #!/bin/bash | ||
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| npx buidler coverage --solcoverjs .solcover.js || exit $? | ||
| bash <(curl -s https://codecov.io/bash) | ||
| done |
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