File: VaultLogic.sol

448:   function erc20TransferInBidAmount(DataTypes.AssetData storage assetData, address from, uint256 amount) internal {
449:     address asset = assetData.underlyingAsset;
450:     uint256 poolSizeBefore = IERC20Upgradeable(asset).balanceOf(address(this));
451: 
452:     assetData.totalBidAmout += amount;
453: 
454:     IERC20Upgradeable(asset).safeTransferFrom(from, address(this), amount);
455: 
456:     uint256 poolSizeAfter = IERC20Upgradeable(asset).balanceOf(address(this));
457:     require(poolSizeAfter == (poolSizeBefore + amount), Errors.INVALID_TRANSFER_AMOUNT);
458:   }
