Minor improvements

Author: filip26

README.md

@@ -56,8 +56,8 @@ byte[] decoded = decoder.decode(encoded);
 
 /* or check if encoding is supported  */
 byte[] decoded = decoder.getCodec(encoded)
-                          .map(codec -> codec.decode(encoded))
-                          .orElseThrow(() -> new IllegalArgumentException("Unsupported codec."));
+                        .map(codec -> codec.decode(encoded))
+                        .orElseThrow(() -> new IllegalArgumentException("Unsupported codec."));
 
 /* or directly when only one codec is supported */
 byte[] decoded = KeyCodec.P521_PUBLIC_KEY.decode(encoded);

src/main/java/com/apicatalog/multihash/Multihash.java

@@ -215,18 +215,18 @@ public byte[] decode(byte[] encoded, int index, int length) {
                     "The requested decode length (" + length + ") is greater than the available bytes (" + (encoded.length - index) + ").");
         }
 
-        long size = digestLength(encoded, index, length);
-        int sizeVarintLength = UVarInt.byteLength(size);
+        long digestLength = digestLength(encoded, index, length);
+        int varintDigestLength = UVarInt.byteLength(digestLength);
 
-        if (size != (length - codeVarint.length - sizeVarintLength)) {
+        if (digestLength != (length - codeVarint.length - varintDigestLength)) {
             throw new IllegalArgumentException(
-                    "Digest size mismatch: declared size is " + size + " bytes, but the actual digest size is " +
-                            (length - codeVarint.length - sizeVarintLength) + " bytes.");
+                    "Digest size mismatch: declared size is " + digestLength + " bytes, but the actual digest size is " +
+                            (length - codeVarint.length - varintDigestLength) + " bytes.");
         }
 
         // Extract digest
         return Arrays.copyOfRange(encoded,
-                index + codeVarint.length + sizeVarintLength,
+                index + codeVarint.length + varintDigestLength,
                 length + index);
     }