fix: fuzz bounds, reorder docs

Author: DhairyaSethi

src/contracts/interfaces/IScaledPriceAdapter.sol

@@ -3,31 +3,31 @@ pragma solidity ^0.8.10;
 
 interface IScaledPriceAdapter {
   /**
-   * @dev Direction and units used to scale latestAnswer to base decimals of 8.
-   * @dev Loses price precision by log10(scaleFactor) when scaling down.
-   * @return scaleUp Whether to scale up or down.
-   * @return scaleFactor The units to scale by.
+   * @dev Returns the feed decimals.
    */
-  function scale() external view returns (bool scaleUp, uint256 scaleFactor);
+  function decimals() external view returns (uint8);
 
   /**
-   * @dev The decimals of price adapter.
+   * @dev Returns the description of the feed.
    */
-  function decimals() external view returns (uint8);
+  function description() external view returns (string memory);
 
   /**
-   * @dev Underlying chainlink price source.
+   * @dev Scaled `latestAnswer` from chainlink price feed.
+   * @dev Loses price precision by log10(scaleFactor) when scaling down.
    */
-  function source() external view returns (address);
+  function latestAnswer() external view returns (int256);
 
   /**
-   * @dev Description of price adapter.
+   * @dev Direction and units used to scale latestAnswer to base decimals of 8.
+   * @dev Loses price precision by log10(scaleFactor) when scaling down.
+   * @return scaleUp Whether to scale up or down.
+   * @return scaleFactor The units to scale by.
    */
-  function description() external view returns (string memory);
+  function scale() external view returns (bool scaleUp, uint256 scaleFactor);
 
   /**
-   * @dev Scaled `latestAnswer` from chainlink price feed.
-   * @dev Loses price precision by log10(scaleFactor) when scaling down.
+   * @dev Underlying chainlink price feed.
    */
-  function latestAnswer() external view returns (int256);
+  function source() external view returns (address);
 }

tests/extensions/price-adaptors/ScaledPriceAdapter.t.sol

@@ -21,7 +21,7 @@ contract ScaledPriceAdapterTests is TestnetProcedures {
 
   function test_fuzz_adapter(uint256 sourceDecimals, int256 price) public {
     sourceDecimals = bound(sourceDecimals, 1, 36);
-    price = bound(price, 1, int256(10 ** sourceDecimals));
+    price = bound(price, 0, int256(10 ** (10 + sourceDecimals)));
     address source = address(new MockAggregatorMetadata(price, uint8(sourceDecimals)));
     ScaledPriceAdapter adapter = new ScaledPriceAdapter(source);