Merge pull request #19983 from karalabe/private-chain-config

README: update private network fork config fields

README.md

@@ -212,8 +212,12 @@ aware of and agree upon. This consists of a small JSON file (e.g. call it `genes
   "config": {
     "chainId": 0,
     "homesteadBlock": 0,
+    "eip150Block": 0,
     "eip155Block": 0,
-    "eip158Block": 0
+    "eip158Block": 0,
+    "byzantiumBlock": 0,
+    "constantinopleBlock": 0,
+    "petersburgBlock": 0
   },
   "alloc": {},
   "coinbase": "0x0000000000000000000000000000000000000000",