add murmur32 to crypto lib (#2604)

src/neo/SmartContract/Native/CryptoLib.cs

@@ -50,6 +50,19 @@ public static byte[] Sha256(byte[] data)
             return data.Sha256();
         }
 
+        /// <summary>
+        /// Computes the hash value for the specified byte array using the murmur32 algorithm.
+        /// </summary>
+        /// <param name="data">The input to compute the hash code for.</param>
+        /// <param name="seed">The seed of the murmur32 hash function</param>
+        /// <returns>The computed hash code.</returns>
+        [ContractMethod(CpuFee = 1 << 13)]
+        public static byte[] Murmur32(byte[] data, uint seed)
+        {
+            using Murmur32 murmur = new(seed);
+            return murmur.ComputeHash(data);
+        }
+
         /// <summary>
         /// Verifies that a digital signature is appropriate for the provided key and message using the ECDSA algorithm.
         /// </summary>