Add EIP-1283 disable transition (#10214)

ethcore/src/spec/spec.rs

@@ -120,6 +120,8 @@ pub struct CommonParams {
 	pub eip1052_transition: BlockNumber,
 	/// Number of first block where EIP-1283 rules begin.
 	pub eip1283_transition: BlockNumber,
+	/// Number of first block where EIP-1283 rules end.
+	pub eip1283_disable_transition: BlockNumber,
 	/// Number of first block where EIP-1014 rules begin.
 	pub eip1014_transition: BlockNumber,
 	/// Number of first block where dust cleanup rules (EIP-168 and EIP169) begin.
@@ -188,7 +190,7 @@ impl CommonParams {
 		schedule.have_return_data = block_number >= self.eip211_transition;
 		schedule.have_bitwise_shifting = block_number >= self.eip145_transition;
 		schedule.have_extcodehash = block_number >= self.eip1052_transition;
-		schedule.eip1283 = block_number >= self.eip1283_transition;
+		schedule.eip1283 = block_number >= self.eip1283_transition && !(block_number >= self.eip1283_disable_transition);
 		if block_number >= self.eip210_transition {
 			schedule.blockhash_gas = 800;
 		}
@@ -296,6 +298,10 @@ impl From<ethjson::spec::Params> for CommonParams {
 				BlockNumber::max_value,
 				Into::into,
 			),
+			eip1283_disable_transition: p.eip1283_disable_transition.map_or_else(
+				BlockNumber::max_value,
+				Into::into,
+			),
 			eip1014_transition: p.eip1014_transition.map_or_else(
 				BlockNumber::max_value,
 				Into::into,

json/src/spec/params.rs

@@ -1,18 +1,18 @@
-// Copyright 2015-2018 Parity Technologies (UK) Ltd.
-// This file is part of Parity.
+// Copyright 2015-2019 Parity Technologies (UK) Ltd.
+// This file is part of Parity Ethereum.
 
-// Parity is free software: you can redistribute it and/or modify
+// Parity Ethereum is free software: you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
 // the Free Software Foundation, either version 3 of the License, or
 // (at your option) any later version.
 
-// Parity is distributed in the hope that it will be useful,
+// Parity Ethereum is distributed in the hope that it will be useful,
 // but WITHOUT ANY WARRANTY; without even the implied warranty of
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Parity.  If not, see <http://www.gnu.org/licenses/>.
+// along with Parity Ethereum.  If not, see <http://www.gnu.org/licenses/>.
 
 //! Spec params deserialization.
 
@@ -112,6 +112,10 @@ pub struct Params {
 	/// See `CommonParams` docs.
 	#[serde(rename="eip1283Transition")]
 	pub eip1283_transition: Option<Uint>,
+	/// See `CommonParams` docs.
+	#[serde(rename="eip1283DisableTransition")]
+	pub eip1283_disable_transition: Option<Uint>,
+	/// See `CommonParams` docs.
 	#[serde(rename="eip1014Transition")]
 	pub eip1014_transition: Option<Uint>,
 	/// See `CommonParams` docs.
@@ -210,3 +214,4 @@ mod tests {
 		let _deserialized: Params = serde_json::from_str(s).unwrap();
 	}
 }
+