enable Constantinople fork in Ropsten chain (#1435)

Author: pipermerriam

eth/chains/ropsten/__init__.py

@@ -3,6 +3,7 @@
 
 from .constants import (
     BYZANTIUM_ROPSTEN_BLOCK,
+    CONSTANTINOPLE_BLOCK,
     ROPSTEN_CHAIN_ID,
     SPURIOUS_DRAGON_ROPSTEN_BLOCK,
     TANGERINE_WHISTLE_ROPSTEN_BLOCK,
@@ -14,6 +15,7 @@
 from eth.vm.base import BaseVM  # noqa: F401
 from eth.vm.forks import (
     ByzantiumVM,
+    ConstantinopleVM,
     SpuriousDragonVM,
     TangerineWhistleVM,
 )
@@ -24,6 +26,7 @@
     (TANGERINE_WHISTLE_ROPSTEN_BLOCK, TangerineWhistleVM),
     (SPURIOUS_DRAGON_ROPSTEN_BLOCK, SpuriousDragonVM),
     (BYZANTIUM_ROPSTEN_BLOCK, ByzantiumVM),
+    (CONSTANTINOPLE_BLOCK, ConstantinopleVM),
 )
 
 

eth/chains/ropsten/constants.py

@@ -3,12 +3,6 @@
 
 # Fork Blocks listed in ascending order
 
-#
-# Byzantium Block
-#
-BYZANTIUM_ROPSTEN_BLOCK = 1700000
-
-
 #
 # DAO Block
 #
@@ -31,3 +25,15 @@
 # Spurious Dragon Block
 #
 SPURIOUS_DRAGON_ROPSTEN_BLOCK = 10
+
+
+#
+# Byzantium Block
+#
+BYZANTIUM_ROPSTEN_BLOCK = 1700000
+
+
+#
+# Constantinople
+#
+CONSTANTINOPLE_BLOCK = 4230000