solution: actual version in RPC

fix: #73

src/main/kotlin/io/emeraldpay/dshackle/Config.kt

@@ -59,6 +59,13 @@ open class Config(
 
     init {
         configFilePath = getConfigPath()
+        Global.version = env.getProperty("version.app", Global.version).let {
+            if (it.contains("SNAPSHOT")) {
+                listOfNotNull(it, env.getProperty("version.commit")).joinToString("-")
+            } else {
+                it
+            }
+        }
     }
 
     fun getConfigPath(): File {

src/main/kotlin/io/emeraldpay/dshackle/Global.kt

@@ -72,6 +72,8 @@ class Global {
         @JvmStatic
         val objectMapper: ObjectMapper = createObjectMapper()
 
+        var version: String = "DEV"
+
         val control: ScheduledExecutorService = Executors.newSingleThreadScheduledExecutor()
 
         private fun createObjectMapper(): ObjectMapper {

src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultBitcoinMethods.kt

@@ -15,6 +15,7 @@
  */
 package io.emeraldpay.dshackle.upstream.calls
 
+import io.emeraldpay.dshackle.Global
 import io.emeraldpay.dshackle.quorum.AlwaysQuorum
 import io.emeraldpay.dshackle.quorum.BroadcastQuorum
 import io.emeraldpay.dshackle.quorum.CallQuorum
@@ -25,6 +26,11 @@ import java.util.Collections
 
 class DefaultBitcoinMethods : CallMethods {
 
+    private val networkinfo = Global.objectMapper.writeValueAsBytes(mapOf(
+        "version" to 210100,
+        "subversion" to "/EmeraldDshackle:${Global.version}/"
+    ))
+
     private val freshMethods = listOf(
         "getblock",
         "gettransaction", "gettxout",
@@ -77,7 +83,7 @@ class DefaultBitcoinMethods : CallMethods {
     override fun executeHardcoded(method: String): ByteArray {
         return when (method) {
             "getconnectioncount" -> "42".toByteArray()
-            "getnetworkinfo" -> "{\"version\": 700000, \"subversion\": \"/EmeraldDshackle:v0.9/\"}".toByteArray()
+            "getnetworkinfo" -> networkinfo
             else -> throw RpcException(-32601, "Method not found")
         }
     }

src/main/kotlin/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethods.kt

@@ -16,6 +16,7 @@
  */
 package io.emeraldpay.dshackle.upstream.calls
 
+import io.emeraldpay.dshackle.Global
 import io.emeraldpay.dshackle.quorum.AlwaysQuorum
 import io.emeraldpay.dshackle.quorum.BroadcastQuorum
 import io.emeraldpay.dshackle.quorum.CallQuorum
@@ -32,6 +33,8 @@ class DefaultEthereumMethods(
     private val chain: Chain
 ) : CallMethods {
 
+    private val version = "\"EmeraldDshackle/${Global.version}\""
+
     private val anyResponseMethods = listOf(
         "eth_gasPrice",
         "eth_call",
@@ -178,7 +181,7 @@ class DefaultEthereumMethods(
                 "true"
             }
             "web3_clientVersion" -> {
-                "\"EmeraldDshackle/v0.9\""
+                version
             }
             "eth_protocolVersion" -> {
                 "\"0x3f\""