ethjson spec submodule

ethcore/res/ethereum/frontier_like_test.json

@@ -1,5 +1,5 @@
 {
-	"engineName": "Frontier (Test)",
+	"name": "Frontier (Test)",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x00",

ethcore/res/ethereum/frontier_test.json

@@ -1,5 +1,5 @@
 {
-	"engineName": "Frontier (Test)",
+	"name": "Frontier (Test)",
 	"engineName": "Ethash",
 	"params": {
 		"accountStartNonce": "0x00",

json/src/hash.rs

@@ -46,6 +46,10 @@ macro_rules! impl_hash {
 					fn visit_str<E>(&mut self, value: &str) -> Result<Self::Value, E> where E: Error {
 						let value = match value.len() {
 							0 => $inner::from(0),
+							2 if value == "0x" => $inner::from(0),
+							_ if value.starts_with("0x") => try!($inner::from_str(&value[2..]).map_err(|_| {
+								Error::custom(format!("Invalid hex value {}.", value).as_ref())
+							})),
 							_ => try!($inner::from_str(value).map_err(|_| {
 								Error::custom(format!("Invalid hex value {}.", value).as_ref())
 							}))

json/src/lib.rs.in

@@ -23,3 +23,4 @@ pub mod hash;
 pub mod uint;
 pub mod bytes;
 pub mod blockchain;
+pub mod spec;

json/src/spec/account.rs

@@ -0,0 +1,44 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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,
+// 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/>.
+
+//! Spec account deserialization.
+
+use uint::Uint;
+use spec::builtin::Builtin;
+
+/// Spec account.
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct Account {
+	builtin: Option<Builtin>,
+	balance: Option<Uint>,
+	nonce: Option<Uint>,
+}
+
+#[cfg(test)]
+mod tests {
+	use serde_json;
+	use spec::account::Account;
+
+	#[test]
+	fn account_deserialization() {
+		let s = r#"{
+			"balance": "1",
+			"builtin": { "name": "ecrecover", "linear": { "base": 3000, "word": 0 } }
+		}"#;
+		let _deserialized: Account = serde_json::from_str(s).unwrap();
+		// TODO: validate all fields
+	}
+}

json/src/spec/builtin.rs

@@ -0,0 +1,47 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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,
+// 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/>.
+
+//! Spec builtin deserialization.
+
+/// Linear builin options.
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct Linear {
+	base: u64,
+	word: u64,
+}
+
+/// Spec builtin.
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct Builtin {
+	name: String,
+	linear: Linear,
+}
+
+#[cfg(test)]
+mod tests {
+	use serde_json;
+	use spec::builtin::Builtin;
+
+	#[test]
+	fn builtin_deserialization() {
+		let s = r#"{
+			"name": "ecrecover",
+			"linear": { "base": 3000, "word": 0 }
+		}"#;
+		let _deserialized: Builtin = serde_json::from_str(s).unwrap();
+		// TODO: validate all fields
+	}
+}

json/src/spec/genesis.rs

@@ -0,0 +1,67 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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,
+// 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/>.
+
+//! Spec genesis deserialization.
+
+use uint::Uint;
+use hash::{Address, H256};
+use bytes::Bytes;
+
+/// Spec genesis.
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct Genesis {
+	// old seal
+	nonce: Option<Uint>,
+	#[serde(rename="mixHash")]
+	mix_hash: Option<H256>,
+
+	// new seal // TODO: consider moving it to a separate seal structure
+	#[serde(rename="sealFields")]
+	seal_fields: Option<Uint>,
+	#[serde(rename="sealRlp")]
+	seal_rlp: Option<Bytes>,
+
+	difficulty: Uint,
+	author: Address,
+	timestamp: Uint,
+	#[serde(rename="parentHash")]
+	parent_hash: H256,
+	#[serde(rename="gasLimit")]
+	gas_limit: Uint,
+}
+
+#[cfg(test)]
+mod tests {
+	use serde_json;
+	use spec::genesis::Genesis;
+
+	#[test]
+	fn genesis_deserialization() {
+		let s = r#"{
+			"nonce": "0x0000000000000042",
+			"difficulty": "0x400000000",
+			"mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+			"author": "0x0000000000000000000000000000000000000000",
+			"timestamp": "0x00",
+			"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+			"extraData": "0x11bbe8db4e347b4e8c937c1c8370e4b5ed33adb3db69cbdb7a38e1e50b1b82fa",
+			"gasLimit": "0x1388",
+			"stateRoot": "0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
+		}"#;
+		let _deserialized: Genesis = serde_json::from_str(s).unwrap();
+		// TODO: validate all fields
+	}
+}

json/src/spec/mod.rs

@@ -0,0 +1,29 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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,
+// 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/>.
+
+//! Spec deserialization.
+
+pub mod account;
+pub mod builtin;
+pub mod genesis;
+pub mod params;
+pub mod spec;
+
+pub use self::account::Account;
+pub use self::builtin::Builtin;
+pub use self::genesis::Genesis;
+pub use self::params::Params;
+pub use self::spec::Spec;

json/src/spec/params.rs

@@ -0,0 +1,74 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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,
+// 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/>.
+
+//! Spec params deserialization.
+
+use uint::Uint;
+use hash::Address;
+
+/// Spec params.
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct Params {
+	#[serde(rename="accountStartNonce")]
+	account_start_nonce: Uint,
+	#[serde(rename="frontierCompatibilityModeLimit")]
+	frontier_compatibility_mode_limit: Uint,
+	#[serde(rename="maximumExtraDataSize")]
+	maximum_extra_data_size: Uint,
+	#[serde(rename="tieBreakingGas")]
+	tie_breaking_gas: bool,
+	#[serde(rename="minGasLimit")]
+	min_gas_limit: Uint,
+	#[serde(rename="gasLimitBoundDivisor")]
+	gas_limit_bound_divisor: Uint,
+	#[serde(rename="minimumDifficulty")]
+	minimum_difficulty: Uint,
+	#[serde(rename="difficultyBoundDivisor")]
+	difficulty_bound_divisor: Uint,
+	#[serde(rename="durationLimit")]
+	duration_limit: Uint,
+	#[serde(rename="blockReward")]
+	block_reward: Uint,
+	registrar: Address,
+	#[serde(rename="networkID")]
+	network_id: Uint,
+}
+
+#[cfg(test)]
+mod tests {
+	use serde_json;
+	use spec::params::Params;
+
+	#[test]
+	fn params_deserialization() {
+		let s = r#"{
+			"accountStartNonce": "0x00",
+			"frontierCompatibilityModeLimit": "0x118c30",
+			"maximumExtraDataSize": "0x20",
+			"tieBreakingGas": false,
+			"minGasLimit": "0x1388",
+			"gasLimitBoundDivisor": "0x0400",
+			"minimumDifficulty": "0x020000",
+			"difficultyBoundDivisor": "0x0800",
+			"durationLimit": "0x0d",
+			"blockReward": "0x4563918244F40000",
+			"registrar" : "0xc6d9d2cd449a754c494264e1809c50e34d64562b",
+			"networkID" : "0x1"
+		}"#;
+		let _deserialized: Params = serde_json::from_str(s).unwrap();
+		// TODO: validate all fields
+	}
+}

json/src/spec/spec.rs

@@ -0,0 +1,84 @@
+// Copyright 2015, 2016 Ethcore (UK) Ltd.
+// This file is part of Parity.
+
+// Parity 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,
+// 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/>.
+
+//! Spec deserialization.
+
+use std::collections::BTreeMap;
+use hash::Address;
+use spec::account::Account;
+use spec::params::Params;
+use spec::genesis::Genesis;
+
+/// Spec deserialization.
+#[derive(Debug, PartialEq, Deserialize)]
+pub struct Spec {
+	name: String,
+	#[serde(rename="engineName")]
+	engine_name: String, // TODO: consider making it an enum
+	params: Params,
+	genesis: Genesis,
+	accounts: BTreeMap<Address, Account>,
+}
+
+#[cfg(test)]
+mod tests {
+	use serde_json;
+	use spec::spec::Spec;
+
+	#[test]
+	fn spec_deserialization() {
+		let s = r#"{
+	"name": "Morden",
+	"engineName": "Ethash",
+	"params": {
+		"accountStartNonce": "0x0100000",
+		"frontierCompatibilityModeLimit": "0x789b0",
+		"maximumExtraDataSize": "0x20",
+		"tieBreakingGas": false,
+		"minGasLimit": "0x1388",
+		"gasLimitBoundDivisor": "0x0400",
+		"minimumDifficulty": "0x020000",
+		"difficultyBoundDivisor": "0x0800",
+		"durationLimit": "0x0d",
+		"blockReward": "0x4563918244F40000",
+		"registrar": "",
+		"networkID" : "0x2"
+	},
+	"genesis": {
+		"nonce": "0x00006d6f7264656e",
+		"difficulty": "0x20000",
+		"mixHash": "0x00000000000000000000000000000000000000647572616c65787365646c6578",
+		"author": "0x0000000000000000000000000000000000000000",
+		"timestamp": "0x00",
+		"parentHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
+		"extraData": "0x",
+		"gasLimit": "0x2fefd8"
+	},
+	"nodes": [
+		"enode://b1217cbaa440e35ed471157123fe468e19e8b5ad5bedb4b1fdbcbdab6fb2f5ed3e95dd9c24a22a79fdb2352204cea207df27d92bfd21bfd41545e8b16f637499@104.44.138.37:30303"
+	],
+	"accounts": {
+		"0000000000000000000000000000000000000001": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ecrecover", "linear": { "base": 3000, "word": 0 } } },
+		"0000000000000000000000000000000000000002": { "balance": "1", "nonce": "1048576", "builtin": { "name": "sha256", "linear": { "base": 60, "word": 12 } } },
+		"0000000000000000000000000000000000000003": { "balance": "1", "nonce": "1048576", "builtin": { "name": "ripemd160", "linear": { "base": 600, "word": 120 } } },
+		"0000000000000000000000000000000000000004": { "balance": "1", "nonce": "1048576", "builtin": { "name": "identity", "linear": { "base": 15, "word": 3 } } },
+		"102e61f5d8f9bc71d0ad4a084df4e65e05ce0e1c": { "balance": "1606938044258990275541962092341162602522202993782792835301376", "nonce": "1048576" }
+	}
+		}"#;
+		let _deserialized: Spec = serde_json::from_str(s).unwrap();
+		// TODO: validate all fields
+	}
+}