IRI-329 ⁃ readPreviousEpochsSpentAddresses should only run on mainn…

…et (#630)

`readPreviousEpochsSpentAddresses` should only run on mainnet

src/main/java/com/iota/iri/service/API.java

@@ -110,7 +110,7 @@ public API(Iota instance, IXI ixi) {
     }
 
     public void init() throws IOException {
-        readPreviousEpochsSpentAddresses();
+        readPreviousEpochsSpentAddresses(testNet);
 
         final int apiPort = instance.configuration.integer(DefaultConfSettings.PORT);
         final String apiHost = instance.configuration.string(DefaultConfSettings.API_HOST);
@@ -145,14 +145,18 @@ public void handleRequest(final HttpServerExchange exchange) throws Exception {
         server.start();
     }
 
-    private void readPreviousEpochsSpentAddresses() {
+    private void readPreviousEpochsSpentAddresses(boolean isTestnet) {
+        if (isTestnet) {
+            return;
+        }
+
         if (!SignedFiles.isFileSignatureValid(Configuration.PREVIOUS_EPOCHS_SPENT_ADDRESSES_TXT,
                 Configuration.PREVIOUS_EPOCH_SPENT_ADDRESSES_SIG,
                 Snapshot.SNAPSHOT_PUBKEY, Snapshot.SNAPSHOT_PUBKEY_DEPTH, Snapshot.SPENT_ADDRESSES_INDEX)) {
             throw new RuntimeException("Failed to load previousEpochsSpentAddresses - signature failed.");
         }
 
-        InputStream in = Snapshot.class.getResourceAsStream("/previousEpochsSpentAddresses.txt");
+        InputStream in = Snapshot.class.getResourceAsStream(Configuration.PREVIOUS_EPOCHS_SPENT_ADDRESSES_TXT);
         BufferedReader reader = new BufferedReader(new InputStreamReader(in));
         String line;
         try {