diff --git a/ethcore/res/ethereum/kotti.json b/ethcore/res/ethereum/kotti.json
index aeea86b08..960ee4c4a 100644
--- a/ethcore/res/ethereum/kotti.json
+++ b/ethcore/res/ethereum/kotti.json
@@ -24,11 +24,13 @@
 		"eip658Transition": "0xaef49",
 		"eip1014Transition": "0x1a064d",
 		"eip1052Transition": "0x1a064d",
-		"eip1283Transition": "0x1f67cf",
-		"eip1344Transition": "0x1f67cf",
-		"eip1706Transition": "0x1f67cf",
-		"eip2028Transition": "0x1f67cf",
-		"eip2200AdvanceTransition": "0x1f67cf",
+		"eip1283Transition": "0x0",
+		"eip1283DisableTransition": "0x0",
+		"eip1283ReenableTransition": "0x2191cd",
+		"eip1344Transition": "0x2191cd",
+		"eip1706Transition": "0x2191cd",
+		"eip1884Transition": "0x2191cd",
+		"eip2028Transition": "0x2191cd",
 		"gasLimitBoundDivisor": "0x400",
 		"maxCodeSize": "0x6000",
 		"maxCodeSizeTransition": "0xaef49",
@@ -129,7 +131,7 @@
 					"0xaef49": {
 						"price": { "alt_bn128_const_operations": { "price": 500 }}
 					},
-					"0x1f67cf": {
+					"0x2191cd": {
 						"info": "EIP 1108 transition",
 						"price": { "alt_bn128_const_operations": { "price": 150 }}
 					}
@@ -144,7 +146,7 @@
 					"0xaef49": {
 						"price": { "alt_bn128_const_operations": { "price": 40000 }}
 					},
-					"0x1f67cf": {
+					"0x2191cd": {
 						"info": "EIP 1108 transition",
 						"price": { "alt_bn128_const_operations": { "price": 6000 }}
 					}
@@ -159,7 +161,7 @@
 					"0xaef49": {
 						"price": { "alt_bn128_pairing": { "base": 100000, "pair": 80000 }}
 					},
-					"0x1f67cf": {
+					"0x2191cd": {
 						"info": "EIP 1108 transition",
 						"price": { "alt_bn128_pairing": { "base": 45000, "pair": 34000 }}
 					}
@@ -170,7 +172,7 @@
 			"balance": "0x1",
 			"builtin": {
 				"name": "blake2_f",
-				"activate_at": "0x1f67cf",
+				"activate_at": "0x2191cd",
 				"pricing": {
 					"blake2_f": {
 						"gas_per_round": 1
diff --git a/ethcore/res/ethereum/mordor.json b/ethcore/res/ethereum/mordor.json
index e33c14518..357648d2d 100644
--- a/ethcore/res/ethereum/mordor.json
+++ b/ethcore/res/ethereum/mordor.json
@@ -1,193 +1,213 @@
 {
-	"name":"Mordor Classic Testnet",
-	"dataDir":"mordor",
-	"engine":{
-		"Ethash":{
-			"params":{
-				"minimumDifficulty":"0x20000",
-				"difficultyBoundDivisor":"0x800",
-				"durationLimit":"0xd",
-				"blockReward":"0x4563918244F40000",
-				"homesteadTransition":"0x0",
-				"ecip1010PauseTransition":"0x0",
-				"ecip1010ContinueTransition":"0x0",
-				"ecip1017EraRounds":"0x1e8480",
-				"bombDefuseTransition":"0x0",
-				"eip100bTransition":"0x0"
+	"name": "Mordor Classic Testnet",
+	"dataDir": "mordor",
+	"engine": {
+		"Ethash": {
+			"params": {
+				"minimumDifficulty": "0x20000",
+				"difficultyBoundDivisor": "0x800",
+				"durationLimit": "0xd",
+				"blockReward": "0x4563918244F40000",
+				"homesteadTransition": "0x0",
+				"ecip1010PauseTransition": "0x0",
+				"ecip1010ContinueTransition": "0x0",
+				"ecip1017EraRounds": "0x1e8480",
+				"bombDefuseTransition": "0x0",
+				"eip100bTransition": "0x0"
 			}
 		}
 	},
-	"params":{
-		"gasLimitBoundDivisor":"0x400",
-		"accountStartNonce":"0x0",
-		"maximumExtraDataSize":"0x20",
-		"minGasLimit":"0x1388",
-		"networkID":"0x7",
-		"chainID":"0x3f",
-		"eip150Transition":"0x0",
-		"eip160Transition":"0x0",
-		"eip161abcTransition":"0x0",
-		"eip161dTransition":"0x0",
-		"eip155Transition":"0x0",
-		"maxCodeSize":"0x6000",
-		"maxCodeSizeTransition":"0x0",
-		"eip140Transition":"0x0",
-		"eip211Transition":"0x0",
-		"eip214Transition":"0x0",
-		"eip658Transition":"0x0",
-		"eip145Transition":"0x498bb",
-		"eip1014Transition":"0x498bb",
-		"eip1052Transition":"0x498bb",
-		"eip1283Transition":"0xbe10b",
-		"eip1344Transition":"0xbe10b",
-		"eip1706Transition":"0xbe10b",
-		"eip2028Transition":"0xbe10b",
-		"eip2200AdvanceTransition": "0xbe10b"
+	"params": {
+		"gasLimitBoundDivisor": "0x400",
+		"accountStartNonce": "0x0",
+		"maximumExtraDataSize": "0x20",
+		"minGasLimit": "0x1388",
+		"networkID": "0x7",
+		"chainID": "0x3f",
+		"forkBlock": "0xcd16a",
+		"forkCanonHash": "0x7b4145006cddae9e88c13b47d6aeee2ab4c37d561b929cf688f6f35d58d1966b",
+		"eip150Transition": "0x0",
+		"eip160Transition": "0x0",
+		"eip161abcTransition": "0x0",
+		"eip161dTransition": "0x0",
+		"eip155Transition": "0x0",
+		"maxCodeSize": "0x6000",
+		"maxCodeSizeTransition": "0x0",
+		"eip140Transition": "0x0",
+		"eip211Transition": "0x0",
+		"eip214Transition": "0x0",
+		"eip658Transition": "0x0",
+		"eip145Transition": "0x498bb",
+		"eip1014Transition": "0x498bb",
+		"eip1052Transition": "0x498bb",
+		"eip1283Transition": "0x0",
+		"eip1283DisableTransition": "0x0",
+		"eip1283ReenableTransition": "0xf422f",
+		"eip1344Transition": "0xf422f",
+		"eip1706Transition": "0xf422f",
+		"eip1884Transition": "0xf422f",
+		"eip2028Transition": "0xf422f"
 	},
-	"genesis":{
-		"seal":{
-			"ethereum":{
-				"nonce":"0x0000000000000000",
-				"mixHash":"0x0000000000000000000000000000000000000000000000000000000000000000"
+	"genesis": {
+		"seal": {
+			"ethereum": {
+				"nonce": "0x0000000000000000",
+				"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000"
 			}
 		},
-		"difficulty":"0x20000",
-		"author":"0x0000000000000000000000000000000000000000",
-		"timestamp":"0x5d9676db",
-		"parentHash":"0x0000000000000000000000000000000000000000000000000000000000000000",
-		"extraData":"0x70686f656e697820636869636b656e206162737572642062616e616e61",
-		"gasLimit":"0x2fefd8"
+		"difficulty": "0x20000",
+		"author": "0x0000000000000000000000000000000000000000",
+		"timestamp": "0x5d9676db",
+		"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		"extraData": "0x70686f656e697820636869636b656e206162737572642062616e616e61",
+		"gasLimit": "0x2fefd8"
 	},
 	"nodes":[
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-		"enode://a59e33ccd2b3e52d578f1fbd70c6f9babda2650f0760d6ff3b37742fdcdfdb3defba5d56d315b40c46b70198c7621e63ffa3f987389c7118634b0fefbbdfa7fd@51.158.191.43:38556",
-		"enode://5a1399e6ba3268721dd7656530cd81230dbeb950570c6e3ec2a45effc50c032f66633c5eaaa1a49c51ba1849db37a7bef6e402779ad12dc9943f117e058d7760@34.69.121.227:30303",
+		"enode://f50f52b5fe18fd281748905bf5dad5439471f32cc02d99fecf960a983c1f4eba701ffca96afd2f2a68dcf6f97c5d02b566bafce1f361b51717e1a03c1dd9a836@157.230.42.102:30303",
 		"enode://03b133f731049e3f7be827339c3759be92778c05e54a1847d178c0fdb56fa168aa1e7e61fc77791a7afdd0328a00318f73c01212eb3f3bbe919f5ce8f5b4a314@192.227.105.4:32000",
-		"enode://621e28e529146fd501709194885f50540c494f1a2985d1fb4ec8769226b5cb0b0d1a11545926077821474c2767cdd87888ead8a2509a2c9069dd5584e4b1c3b8@10.28.223.8:30000",
+		"enode://859ed8c19ea04eaea41f1cf17c8d2710e2e0affb97328c8392a79f1764118edf2344f1941299f0d676772fa6054447e6f9b3af96444e350b417442bfd7cc832b@34.68.243.226:30303",
+		"enode://07fa944c83597d5e935a2abe6194ed40fc7239e86111c971a43537a33d0184d1cd1b3f1291b8dd3bcfaebfbb802de77c843465a00065b39120c338fdd877ca4a@35.238.126.60:51240",
+		"enode://642cf9650dd8869d42525dbf6858012e3b4d64f475e733847ab6f7742341a4397414865d953874e8f5ed91b0e4e1c533dee14ad1d6bb276a5459b2471460ff0d@157.230.152.87:30303",
+		"enode://06fdbeb591d26f53b2e7250025fe955ca013431ded930920cf1e3cd1f0c920e9a5e727949d209bc25a07288327b525279b11c5551315c50ff0db483e69fc159b@34.218.225.178:32000",
+		"enode://f840b007500f50c98ea6f9c9e56dabf4690bbbbb7036d43682c531204341aff8315013547e5bee54117eb22bd3603585ae6bf713d9fa710659533fcab65d5b84@34.69.50.155:42078",
+		"enode://07fa944c83597d5e935a2abe6194ed40fc7239e86111c971a43537a33d0184d1cd1b3f1291b8dd3bcfaebfbb802de77c843465a00065b39120c338fdd877ca4a@35.238.126.60:30000",
 		"enode://2592745efd35b4be443b8ee25fd2099de132e037951f9f6d3e8805e0a78f213537f71264b973f1a83a57372f57bbe6acac8d6ae678f39393221c045ccbe3b18c@51.15.116.226:30304",
-		"enode://a59e33ccd2b3e52d578f1fbd70c6f9babda2650f0760d6ff3b37742fdcdfdb3defba5d56d315b40c46b70198c7621e63ffa3f987389c7118634b0fefbbdfa7fd@51.15.116.226:30303",
+		"enode://b45f008ab8ad73966d0c8c0c923c50f47c0ae50c37a9ea05cc28b00cb94802145a4158412a526fdadd7e539db5eaab72f06a9046a34576ecf5a68efc41ba9d01@34.68.40.145:30303",
+		"enode://617a2009783a09085ed0d5d5e7250e2e3c142f73448bf28200284bf4825c5926a80f3e9fb481edf38b89ade2aa0ad5a2f14cc935f3150e36e648eddda674fd70@35.225.5.185:51320",
+		"enode://534d18fd46c5cd5ba48a68250c47cea27a1376869755ed631c94b91386328039eb607cf10dd8d0aa173f5ec21e3fb45c5d7a7aa904f97bc2557e9cb4ccc703f1@51.158.190.99:30303",
+		"enode://15b6ae4e9e18772f297c90d83645b0fbdb56667ce2d747d6d575b21d7b60c2d3cd52b11dec24e418438caf80ddc433232b3685320ed5d0e768e3972596385bfc@51.158.191.43:41235",
+		"enode://a59e33ccd2b3e52d578f1fbd70c6f9babda2650f0760d6ff3b37742fdcdfdb3defba5d56d315b40c46b70198c7621e63ffa3f987389c7118634b0fefbbdfa7fd@51.158.191.43:38556",
+		"enode://014ebf612cd362d87215d8668bd34a6db6c009a5b77c01e05fe638948054ebe91684ce05f1baf384ae9964316b9ac0eaf87dc43edd7e63467fb0b34db0f2c1d7@51.158.190.99:34567",
+		"enode://5a1399e6ba3268721dd7656530cd81230dbeb950570c6e3ec2a45effc50c032f66633c5eaaa1a49c51ba1849db37a7bef6e402779ad12dc9943f117e058d7760@35.225.124.17:39306",
+		"enode://1f378945c9b2eeb292d910f461911fd99520a23beda1bc5c8aea12be09e249f8d92615aa3d4d75c938004db5281dabad4a9cf7a0f07ec7c1fc8e7721addc7c85@34.205.41.164:40218",
+		"enode://9b1bf9613d859ac2071d88509ab40a111b75c1cfc51f4ad78a1fdbb429ff2405de0dc5ea8ae75e6ac88e03e51a465f0b27b517e78517f7220ae163a2e0692991@51.158.190.99:30426",
+		"enode://2b69a3926f36a7748c9021c34050be5e0b64346225e477fe7377070f6289bd363b2be73a06010fd516e6ea3ee90778dd0399bc007bb1281923a79374f842675a@51.15.116.226:30303",
+		"enode://5a1399e6ba3268721dd7656530cd81230dbeb950570c6e3ec2a45effc50c032f66633c5eaaa1a49c51ba1849db37a7bef6e402779ad12dc9943f117e058d7760@34.69.121.227:30303",
 		"enode://f840b007500f50c98ea6f9c9e56dabf4690bbbbb7036d43682c531204341aff8315013547e5bee54117eb22bd3603585ae6bf713d9fa710659533fcab65d5b84@35.238.101.58:30303",
-		"enode://1813e90a0afdd7c1e4892c5376960e3577a9e6c5a4f86fa405a405c7421a4a1608248d77cc90333842f13d8954d82113dec480cfb76b4fef8cb475157cf4d5f2@10.28.224.3:30000",
-		"enode://06fdbeb591d26f53b2e7250025fe955ca013431ded930920cf1e3cd1f0c920e9a5e727949d209bc25a07288327b525279b11c5551315c50ff0db483e69fc159b@34.218.225.178:32000"
+		"enode://0d70715514674189792de4ad294b658c96d0ec40fe517fbe9cb7949d3792f25f82357ec77d1bd8bed6ec719ca0c1d608bb34cc702bf3d4bb4507f7280f835452@154.5.137.161:61410",
+		"enode://4ca79bbff7491fed82221259e3f27492e27b95b600594e2f8d5f1fa011123ea267e71873a0db3993e5109845d519d8b849ba2c7e4b48b09bedebb99e1c2ce304@35.238.132.8:30303",
+		"enode://651b484b652c07c72adebfaaf8bc2bd95b420b16952ef3de76a9c00ef63f07cca02a20bd2363426f9e6fe372cef96a42b0fec3c747d118f79fd5e02f2a4ebd4e@51.158.190.99:45678",
+		"enode://c0afb552bfe932c72598caa245aef82d55c23555622c5ab946d4e49bb0ab694e46086dcff6793a606527f323ef94d0eb499d01ceb26aefb6fa3f8977105d7dd8@157.230.152.87:52138",
+		"enode://111bd28d5b2c1378d748383fd83ff59572967c317c3063a9f475a26ad3f1517642a164338fb5268d4e32ea1cc48e663bd627dec572f1d201c7198518e5a506b1@88.99.216.30:45834"
 	],
-	"accounts":{
-		"0x0000000000000000000000000000000000000001":{
-			"builtin":{
-				"name":"ecrecover",
-				"pricing":{
-					"linear":{
-						"base":3000,
-						"word":0
+	"accounts": {
+		"0x0000000000000000000000000000000000000001": {
+			"builtin": {
+				"name": "ecrecover",
+				"pricing": {
+					"linear": {
+						"base": 3000,
+						"word": 0
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000002":{
-			"builtin":{
-				"name":"sha256",
-				"pricing":{
-					"linear":{
-						"base":60,
-						"word":12
+		"0x0000000000000000000000000000000000000002": {
+			"builtin": {
+				"name": "sha256",
+				"pricing": {
+					"linear": {
+						"base": 60,
+						"word": 12
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000003":{
-			"builtin":{
-				"name":"ripemd160",
-				"pricing":{
-					"linear":{
-						"base":600,
-						"word":120
+		"0x0000000000000000000000000000000000000003": {
+			"builtin": {
+				"name": "ripemd160",
+				"pricing": {
+					"linear": {
+						"base": 600,
+						"word": 120
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000004":{
-			"builtin":{
-				"name":"identity",
-				"pricing":{
-					"linear":{
-						"base":15,
-						"word":3
+		"0x0000000000000000000000000000000000000004": {
+			"builtin": {
+				"name": "identity",
+				"pricing": {
+					"linear": {
+						"base": 15,
+						"word": 3
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000005":{
-			"builtin":{
-				"activate_at":"0x0",
-				"name":"modexp",
-				"pricing":{
-					"modexp":{
-						"divisor":20
+		"0x0000000000000000000000000000000000000005": {
+			"builtin": {
+				"activate_at": "0x0",
+				"name": "modexp",
+				"pricing": {
+					"modexp": {
+						"divisor": 20
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000006":{
-			"builtin":{
-				"name":"alt_bn128_add",
-				"pricing":{
-					"0x0":{
-						"price":{
-							"alt_bn128_const_operations":{
-								"price":500
+		"0x0000000000000000000000000000000000000006": {
+			"builtin": {
+				"name": "alt_bn128_add",
+				"pricing": {
+					"0x0": {
+						"price": {
+							"alt_bn128_const_operations": {
+								"price": 500
 							}
 						}
 					},
-					"0xbe10b":{
-						"info":"EIP 1108 transition",
-						"price":{
-							"alt_bn128_const_operations":{
-								"price":150
+					"0xf422f": {
+						"info": "EIP 1108 transition",
+						"price": {
+							"alt_bn128_const_operations": {
+								"price": 150
 							}
 						}
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000007":{
-			"builtin":{
-				"name":"alt_bn128_mul",
-				"pricing":{
-					"0x0":{
-						"price":{
-							"alt_bn128_const_operations":{
-								"price":40000
+		"0x0000000000000000000000000000000000000007": {
+			"builtin": {
+				"name": "alt_bn128_mul",
+				"pricing": {
+					"0x0": {
+						"price": {
+							"alt_bn128_const_operations": {
+								"price": 40000
 							}
 						}
 					},
-					"0xbe10b":{
-						"info":"EIP 1108 transition",
-						"price":{
-							"alt_bn128_const_operations":{
-								"price":6000
+					"0xf422f": {
+						"info": "EIP 1108 transition",
+						"price": {
+							"alt_bn128_const_operations": {
+								"price": 6000
 							}
 						}
 					}
 				}
 			}
 		},
-		"0x0000000000000000000000000000000000000008":{
-			"builtin":{
-				"name":"alt_bn128_pairing",
-				"pricing":{
-					"0x0":{
-						"price":{
-							"alt_bn128_pairing":{
-								"base":100000,
-								"pair":80000
+		"0x0000000000000000000000000000000000000008": {
+			"builtin": {
+				"name": "alt_bn128_pairing",
+				"pricing": {
+					"0x0": {
+						"price": {
+							"alt_bn128_pairing": {
+								"base": 100000,
+								"pair": 80000
 							}
 						}
 					},
-					"0xbe10b":{
-						"info":"EIP 1108 transition",
-						"price":{
-							"alt_bn128_pairing":{
-								"base":45000,
-								"pair":34000
+					"0xf422f": {
+						"info": "EIP 1108 transition",
+						"price": {
+							"alt_bn128_pairing": {
+								"base": 45000,
+								"pair": 34000
 							}
 						}
 					}
@@ -197,7 +217,7 @@
 		"0x0000000000000000000000000000000000000009": {
 			"builtin": {
 				"name": "blake2_f",
-				"activate_at": "0xbe10b",
+				"activate_at": "0xf422f",
 				"pricing": {
 					"blake2_f": {
 						"gas_per_round": 1