solution: support rinkeby and ropsten testnets

fix: #64

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

@@ -30,7 +30,13 @@ enum class BlockchainType {
     companion object {
         @JvmStatic
         fun fromBlockchain(blockchain: Chain): BlockchainType {
-            if (blockchain == Chain.ETHEREUM || blockchain == Chain.ETHEREUM_CLASSIC || blockchain == Chain.TESTNET_KOVAN || blockchain == Chain.TESTNET_MORDEN || blockchain == Chain.TESTNET_GOERLI) {
+            if (blockchain == Chain.ETHEREUM
+                    || blockchain == Chain.ETHEREUM_CLASSIC
+                    || blockchain == Chain.TESTNET_KOVAN
+                    || blockchain == Chain.TESTNET_ROPSTEN
+                    || blockchain == Chain.TESTNET_RINKEBY
+                    || blockchain == Chain.TESTNET_MORDEN
+                    || blockchain == Chain.TESTNET_GOERLI) {
                 return ETHEREUM
             }
             if (blockchain == Chain.BITCOIN || blockchain == Chain.TESTNET_BITCOIN) {

src/main/kotlin/io/emeraldpay/dshackle/startup/ConfiguredUpstreams.kt

@@ -63,6 +63,10 @@ open class ConfiguredUpstreams(
             "kovan-testnet" to Chain.TESTNET_KOVAN,
             "goerli" to Chain.TESTNET_GOERLI,
             "goerli-testnet" to Chain.TESTNET_GOERLI,
+            "rinkeby" to Chain.TESTNET_RINKEBY,
+            "rinkeby-testnet" to Chain.TESTNET_RINKEBY,
+            "ropsten" to Chain.TESTNET_ROPSTEN,
+            "ropsten-testnet" to Chain.TESTNET_ROPSTEN,
             "bitcoin" to Chain.BITCOIN,
             "bitcoin-testnet" to Chain.TESTNET_BITCOIN
     )

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

@@ -122,6 +122,12 @@ class DefaultEthereumMethods(
                     Chain.TESTNET_MORDEN == chain -> {
                         "\"2\""
                     }
+                    Chain.TESTNET_ROPSTEN == chain -> {
+                        "\"3\""
+                    }
+                    Chain.TESTNET_RINKEBY == chain -> {
+                        "\"4\""
+                    }
                     Chain.TESTNET_KOVAN == chain -> {
                         "\"42\""
                     }
@@ -136,6 +142,12 @@ class DefaultEthereumMethods(
                     Chain.ETHEREUM == chain -> {
                         "\"0x1\""
                     }
+                    Chain.TESTNET_ROPSTEN == chain -> {
+                        "\"0x3\""
+                    }
+                    Chain.TESTNET_RINKEBY == chain -> {
+                        "\"0x4\""
+                    }
                     Chain.ETHEREUM_CLASSIC == chain -> {
                         "\"0x3d\""
                     }

src/test/groovy/io/emeraldpay/dshackle/BlockchainTypeSpec.groovy

@@ -24,7 +24,7 @@ class BlockchainTypeSpec extends Specification {
         expect:
         BlockchainType.fromBlockchain(chain) == BlockchainType.ETHEREUM
         where:
-        chain << [Chain.ETHEREUM, Chain.ETHEREUM_CLASSIC, Chain.TESTNET_KOVAN, Chain.TESTNET_GOERLI, Chain.TESTNET_MORDEN]
+        chain << [Chain.ETHEREUM, Chain.ETHEREUM_CLASSIC, Chain.TESTNET_KOVAN, Chain.TESTNET_GOERLI, Chain.TESTNET_MORDEN, Chain.TESTNET_RINKEBY, Chain.TESTNET_ROPSTEN]
     }
 
     def "Correct type for bitcoin"() {

src/test/groovy/io/emeraldpay/dshackle/config/MainConfigReaderSpec.groovy

@@ -51,7 +51,7 @@ class MainConfigReaderSpec extends Specification {
             port == 8082
             tls != null
             routes != null
-            routes.size() == 4
+            routes.size() == 5
             with(routes[0]) {
                 id == "eth"
                 blockchain == Chain.ETHEREUM
@@ -68,6 +68,10 @@ class MainConfigReaderSpec extends Specification {
                 id == "goerli"
                 blockchain == Chain.TESTNET_GOERLI
             }
+            with(routes[4]) {
+                id == "rinkeby"
+                blockchain == Chain.TESTNET_RINKEBY
+            }
         }
         act.upstreams != null
         with(act.upstreams) {

src/test/groovy/io/emeraldpay/dshackle/upstream/calls/DefaultEthereumMethodsSpec.groovy

@@ -22,6 +22,8 @@ class DefaultEthereumMethodsSpec extends Specification {
         Chain.ETHEREUM         | '"0x1"'
         Chain.ETHEREUM_CLASSIC | '"0x3d"'
         Chain.TESTNET_KOVAN    | '"0x2a"'
-        Chain.TESTNET_GOERLI    | '"0x5"'
+        Chain.TESTNET_GOERLI   | '"0x5"'
+        Chain.TESTNET_RINKEBY  | '"0x4"'
+        Chain.TESTNET_ROPSTEN  | '"0x3"'
     }
 }

src/test/resources/dshackle-full.yaml

@@ -35,6 +35,8 @@ proxy:
       blockchain: kovan
     - id: goerli
       blockchain: goerli
+    - id: rinkeby
+      blockchain: rinkeby
 
 cluster:
   defaults: