Actually use the network ID is MainnetPantheonController (#929)

Signed-off-by: Adrian Sutton <adrian.sutton@consensys.net>

pantheon/src/main/java/tech/pegasys/pantheon/controller/MainnetPantheonController.java

@@ -33,7 +33,6 @@ import tech.pegasys.pantheon.ethereum.eth.sync.SynchronizerConfiguration;
 import tech.pegasys.pantheon.ethereum.eth.sync.state.SyncState;
 import tech.pegasys.pantheon.ethereum.eth.transactions.TransactionPoolFactory;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHeaderValidator;
-import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.p2p.api.ProtocolManager;
 import tech.pegasys.pantheon.ethereum.p2p.config.SubProtocolConfiguration;
@@ -92,6 +91,7 @@ public class MainnetPantheonController implements PantheonController<Void> {
       final ProtocolSchedule<Void> protocolSchedule,
       final SynchronizerConfiguration syncConfig,
       final MiningParameters miningParams,
+      final int networkId,
       final KeyPair nodeKeys,
       final PrivacyParameters privacyParameters,
       final Path dataDirectory,
@@ -108,10 +108,7 @@ public class MainnetPantheonController implements PantheonController<Void> {
         new EthProtocolManager(
             blockchain,
             protocolContext.getWorldStateArchive(),
-            genesisConfig
-                .getConfigOptions()
-                .getChainId()
-                .orElse(MainnetProtocolSchedule.DEFAULT_CHAIN_ID),
+            networkId,
             fastSyncEnabled,
             syncConfig.downloaderParallelism(),
             syncConfig.transactionsParallelism(),

pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java

@@ -62,6 +62,7 @@ public interface PantheonController<C> extends Closeable {
           MainnetProtocolSchedule.fromConfig(configOptions, privacyParameters),
           syncConfig,
           miningParameters,
+          networkId,
           nodeKeys,
           privacyParameters,
           dataDirectory,

pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java

@@ -94,6 +94,7 @@ public final class RunnerTest {
     final SynchronizerConfiguration syncConfigAhead =
         SynchronizerConfiguration.builder().syncMode(SyncMode.FULL).build();
     final MetricsSystem noOpMetricsSystem = new NoOpMetricsSystem();
+    final int networkId = 2929;
 
     // Setup state with block data
     try (final PantheonController<Void> controller =
@@ -103,6 +104,7 @@ public final class RunnerTest {
             MainnetProtocolSchedule.create(),
             syncConfigAhead,
             new MiningParametersTestBuilder().enabled(false).build(),
+            networkId,
             aheadDbNodeKeys,
             PrivacyParameters.noPrivacy(),
             dataDirAhead,
@@ -118,6 +120,7 @@ public final class RunnerTest {
             MainnetProtocolSchedule.create(),
             syncConfigAhead,
             new MiningParametersTestBuilder().enabled(false).build(),
+            networkId,
             aheadDbNodeKeys,
             PrivacyParameters.noPrivacy(),
             dataDirAhead,
@@ -171,6 +174,7 @@ public final class RunnerTest {
               MainnetProtocolSchedule.create(),
               syncConfigBehind,
               new MiningParametersTestBuilder().enabled(false).build(),
+              networkId,
               KeyPair.generate(),
               PrivacyParameters.noPrivacy(),
               dataDirBehind,