server: Add the genesis block to the config file

server/app/com/xsn/explorer/config/ExplorerConfig.scala

@@ -0,0 +1,21 @@
+package com.xsn.explorer.config
+
+import com.xsn.explorer.models.Blockhash
+import javax.inject.Inject
+import play.api.Configuration
+
+trait ExplorerConfig {
+
+  def genesisBlock: Blockhash
+}
+
+class PlayExplorerConfig @Inject() (config: Configuration) extends ExplorerConfig {
+
+  override val genesisBlock:  Blockhash = {
+    Blockhash
+      .from(config.get[String]("explorer.genesisBlock"))
+      .getOrElse(throw new RuntimeException("The given genesisBlock is incorrect"))
+  }
+
+}
+

server/app/com/xsn/explorer/modules/ConfigModule.scala

@@ -8,5 +8,6 @@ class ConfigModule extends AbstractModule {
   override def configure(): Unit = {
     bind(classOf[RPCConfig]).to(classOf[PlayRPCConfig])
     bind(classOf[LedgerSynchronizerConfig]).to(classOf[LedgerSynchronizerPlayConfig])
+    bind(classOf[ExplorerConfig]).to(classOf[PlayExplorerConfig])
   }
 }

server/conf/application.conf

@@ -102,3 +102,7 @@ externalService.dispatcher {
     fixed-pool-size = 50
   }
 }
+
+explorer {
+  genesisBlock = "00000c822abdbb23e28f79a49d29b41429737c6c7e15df40d1b1f1b35907ae34"
+}