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Fixed failing test after updating the latest risk parameters

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This commit is contained in:
The3D 2020-11-30 18:14:21 +01:00
parent 911db5b0d6
commit 3b5344388d
1 changed files with 12 additions and 9 deletions
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21
test/helpers/utils/calculations.ts
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@ -1,10 +1,5 @@
import BigNumber from 'bignumber.js'; import BigNumber from 'bignumber.js';
import { import { ONE_YEAR, RAY, MAX_UINT_AMOUNT, PERCENTAGE_FACTOR } from '../../../helpers/constants';
ONE_YEAR,
RAY,
MAX_UINT_AMOUNT,
PERCENTAGE_FACTOR,
} from '../../../helpers/constants';
import { import {
IReserveParams, IReserveParams,
iAavePoolAssets, iAavePoolAssets,
@ -525,11 +520,10 @@ export const calcExpectedReserveDataAfterRepay = (
//due to accumulation errors, the total stable debt might be smaller than the last user debt. //due to accumulation errors, the total stable debt might be smaller than the last user debt.
//in this case we simply set the total supply and avg stable rate to 0. //in this case we simply set the total supply and avg stable rate to 0.
if (expectedReserveData.principalStableDebt.lt(0)) { if (expectedReserveData.totalStableDebt.lt(0)) {
expectedReserveData.principalStableDebt = expectedReserveData.totalStableDebt = new BigNumber( expectedReserveData.principalStableDebt = expectedReserveData.totalStableDebt = expectedReserveData.averageStableBorrowRate = new BigNumber(
0 0
); );
expectedReserveData.averageStableBorrowRate = new BigNumber(0);
} else { } else {
expectedReserveData.averageStableBorrowRate = calcExpectedAverageStableBorrowRate( expectedReserveData.averageStableBorrowRate = calcExpectedAverageStableBorrowRate(
reserveDataBeforeAction.averageStableBorrowRate, reserveDataBeforeAction.averageStableBorrowRate,
@ -537,6 +531,15 @@ export const calcExpectedReserveDataAfterRepay = (
amountRepaidBN.negated(), amountRepaidBN.negated(),
userDataBeforeAction.stableBorrowRate userDataBeforeAction.stableBorrowRate
); );
//also due to accumulation errors, the final avg stable rate when the last user repays might be negative.
//if that is the case, it means a small leftover of total stable debt is left, which can be erased.
if (expectedReserveData.averageStableBorrowRate.lt(0)) {
expectedReserveData.principalStableDebt = expectedReserveData.totalStableDebt = expectedReserveData.averageStableBorrowRate = new BigNumber(
0
);
}
} }
expectedReserveData.scaledVariableDebt = reserveDataBeforeAction.scaledVariableDebt; expectedReserveData.scaledVariableDebt = reserveDataBeforeAction.scaledVariableDebt;