Add a SeedPeers class that contains a pre-compiled list of IP addresses taking part in the Bitcoin network for a long period of time, for use if IRC and DNS are unavailable. Based on a patch by Micheal Swiggs.

tests/com/google/bitcoin/core/SeedPeersTest.java

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+/**
+ * Copyright 2011 Micheal Swiggs
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.bitcoin.core;
+
+import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.*;
+import org.junit.Test;
+
+import java.net.InetSocketAddress;
+
+public class SeedPeersTest {
+	@Test
+	public void getPeer_one() throws Exception{
+		SeedPeers seedPeers = new SeedPeers(NetworkParameters.prodNet());
+		assertThat(seedPeers.getPeer(), notNullValue());
+	}
+	
+	@Test
+	public void getPeer_all() throws Exception{
+		SeedPeers seedPeers = new SeedPeers(NetworkParameters.prodNet());
+		for(int i = 0; i < SeedPeers.seedAddrs.length; ++i){
+			assertThat("Failed on index: "+i, seedPeers.getPeer(), notNullValue());
+		}
+		assertThat(seedPeers.getPeer(), equalTo(null));
+	}
+	
+	@Test
+	public void getPeers_length() throws Exception{
+		SeedPeers seedPeers = new SeedPeers(NetworkParameters.prodNet());
+		InetSocketAddress[] addresses = seedPeers.getPeers();
+		assertThat(addresses.length, equalTo(SeedPeers.seedAddrs.length));
+	}
+}