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Fixed issue on 0 transfer, added check that the caller must be an aToken

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This commit is contained in:
emilio 2020-10-29 13:43:24 +01:00
parent 2cf84f19ce
commit 3f7d913fd4
2 changed files with 4 additions and 1 deletions
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4
contracts/lendingpool/LendingPool.sol
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@ -742,6 +742,8 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
) external override { ) external override {
_whenNotPaused(); _whenNotPaused();
require(msg.sender == _reserves[asset].aTokenAddress, Errors.CALLER_MUST_BE_AN_ATOKEN);
ValidationLogic.validateTransfer( ValidationLogic.validateTransfer(
from, from,
_reserves, _reserves,
@ -759,7 +761,7 @@ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage
fromConfig.setUsingAsCollateral(reserveId, false); fromConfig.setUsingAsCollateral(reserveId, false);
} }
if (balanceToBefore == 0) { if (balanceToBefore == 0 && amount != 0) {
UserConfiguration.Map storage toConfig = _usersConfig[to]; UserConfiguration.Map storage toConfig = _usersConfig[to];
toConfig.setUsingAsCollateral(reserveId, true); toConfig.setUsingAsCollateral(reserveId, true);
} }

1
contracts/libraries/helpers/Errors.sol
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@ -46,6 +46,7 @@ library Errors {
string public constant NO_MORE_RESERVES_ALLOWED = '59'; string public constant NO_MORE_RESERVES_ALLOWED = '59';
string public constant INVALID_FLASH_LOAN_EXECUTOR_RETURN = '60'; string public constant INVALID_FLASH_LOAN_EXECUTOR_RETURN = '60';
string public constant INCONSISTENT_FLASHLOAN_PARAMS = '69'; string public constant INCONSISTENT_FLASHLOAN_PARAMS = '69';
string public constant CALLER_MUST_BE_AN_ATOKEN = '76';
// require error messages - aToken - DebtTokens // require error messages - aToken - DebtTokens
string public constant CALLER_MUST_BE_LENDING_POOL = '28'; // 'The caller of this function must be a lending pool' string public constant CALLER_MUST_BE_LENDING_POOL = '28'; // 'The caller of this function must be a lending pool'