Get value for array of integer and boolean types in solidity mapper (#30)

* Implement getting value for array type.

* Add subtypes in solidit mapper readme.

Co-authored-by: nikugogoi <95nikass@gmail.com>

packages/solidity-mapper/test/contracts/TestFixedArrays.sol

@@ -5,28 +5,33 @@ contract TestFixedArrays {
     // Fixed size array variable will use 5 consecutive slots as size of 1 element is 32 bytes.
     uint[5] uintArray;
 
-    // Fixed size array variable will use 10 consecutive slots as size of 1 element is 32 bytes.
-    int[10] intArray;
+    // Fixed size array variable will use 3 slots as size of 1 element is 16 bytes.
+    int128[5] int128Array;
 
     // Fixed size array variable will use 1 slot as size of one element is 1 byte.
-    int8[2] int8Array;
+    bool[2] boolArray;
 
-    // Fixed size array variable will use the next consecutive slot as it is of array type.
+    // Fixed size array variable will use the next slot as it is of array type.
     // https://docs.soliditylang.org/en/v0.7.4/internals/layout_in_storage.html#layout-of-state-variables-in-storage
-    uint128[5] uint128Array;
+    uint16[5] uint16Array;
+
+    // Set varaible boolArray.
+    function setBoolArray(bool[2] calldata value) external {
+        boolArray = value;
+    }
 
     // Set varaible uintArray.
     function setUintArray(uint[5] calldata value) external {
         uintArray = value;
     }
 
-    // Set varaible int8Array.
-    function setInt8Array(int8[2] calldata value) external {
-        int8Array = value;
+    // Set varaible uint16Array.
+    function setUint16Array(uint16[5] calldata value) external {
+        uint16Array = value;
     }
 
     // Set varaible uint128Array.
-    function setUint128Array(uint128[5] calldata value) external {
-        uint128Array = value;
+    function setInt128Array(int128[5] calldata value) external {
+        int128Array = value;
     }
 }

packages/solidity-mapper/test/utils.ts

@@ -55,7 +55,7 @@ export const getStorageAt: GetStorageAt = async ({ blockHash, contract, slot })
   // TODO: Fix use of blockHash as hex string in getStorageAt.
   // Using blockHash in getStorageAt throws error.
   // https://github.com/ethers-io/ethers.js/pull/1550#issuecomment-841746994
-  // Using latest tag for temporary fix.
+  // Using latest tag for temporary fix in test scenario.
   blockHash = 'latest';
   const value = await ethers.provider.getStorageAt(contract, slot, blockHash);