194 lines
6.3 KiB
Rust
194 lines
6.3 KiB
Rust
// Copyright 2015-2020 Parity Technologies (UK) Ltd.
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// This file is part of Parity Ethereum.
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// Parity Ethereum is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Parity Ethereum is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity Ethereum. If not, see <http://www.gnu.org/licenses/>.
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//! Spec params deserialization.
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use crate::{
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bytes::Bytes,
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hash::{H256, Address},
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uint::{self, Uint}
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};
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use serde::Deserialize;
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/// Spec params.
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#[derive(Debug, PartialEq, Deserialize)]
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#[serde(deny_unknown_fields)]
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#[serde(rename_all = "camelCase")]
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pub struct Params {
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/// Account start nonce, defaults to 0.
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pub account_start_nonce: Option<Uint>,
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/// Maximum size of extra data.
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pub maximum_extra_data_size: Uint,
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/// Minimum gas limit.
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pub min_gas_limit: Uint,
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/// Network id.
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#[serde(rename = "networkID")]
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pub network_id: Uint,
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/// Chain id.
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#[serde(rename = "chainID")]
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pub chain_id: Option<Uint>,
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/// Name of the main ("eth") subprotocol.
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pub subprotocol_name: Option<String>,
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/// Option fork block number to check.
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pub fork_block: Option<Uint>,
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/// Expected fork block hash.
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#[serde(rename = "forkCanonHash")]
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pub fork_hash: Option<H256>,
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/// See main EthashParams docs.
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pub eip150_transition: Option<Uint>,
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/// See main EthashParams docs.
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pub eip160_transition: Option<Uint>,
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/// See main EthashParams docs.
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pub eip161abc_transition: Option<Uint>,
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/// See main EthashParams docs.
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pub eip161d_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip98_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip155_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub validate_chain_id_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub validate_receipts_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip140_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip210_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip210_contract_address: Option<Address>,
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/// See `CommonParams` docs.
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pub eip210_contract_code: Option<Bytes>,
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/// See `CommonParams` docs.
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pub eip210_contract_gas: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip211_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip145_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip214_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip658_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1052_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1283_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1283_disable_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1283_reenable_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1014_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1706_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1344_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip1884_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip2028_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub eip2200_advance_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub dust_protection_transition: Option<Uint>,
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/// See `CommonParams` docs.
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pub nonce_cap_increment: Option<Uint>,
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/// See `CommonParams` docs.
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pub remove_dust_contracts : Option<bool>,
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/// See `CommonParams` docs.
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#[serde(deserialize_with="uint::validate_non_zero")]
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pub gas_limit_bound_divisor: Uint,
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/// See `CommonParams` docs.
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pub registrar: Option<Address>,
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/// Apply reward flag
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pub apply_reward: Option<bool>,
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/// Node permission contract address.
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pub node_permission_contract: Option<Address>,
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/// See main EthashParams docs.
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pub max_code_size: Option<Uint>,
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/// Maximum size of transaction RLP payload.
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pub max_transaction_size: Option<Uint>,
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/// See main EthashParams docs.
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pub max_code_size_transition: Option<Uint>,
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/// Transaction permission contract address.
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pub transaction_permission_contract: Option<Address>,
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/// Block at which the transaction permission contract should start being used.
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pub transaction_permission_contract_transition: Option<Uint>,
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/// Wasm activation block height, if not activated from start.
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pub wasm_activation_transition: Option<Uint>,
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/// Define a separate wasm version instead of using the prefix.
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pub wasm_version: Option<Uint>,
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/// KIP4 activiation block height.
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pub kip4_transition: Option<Uint>,
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/// KIP6 activiation block height.
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pub kip6_transition: Option<Uint>,
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}
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#[cfg(test)]
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mod tests {
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use super::{Params, Uint};
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use ethereum_types::U256;
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#[test]
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fn params_deserialization() {
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let s = r#"{
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"maximumExtraDataSize": "0x20",
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"networkID": "0x1",
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"chainID": "0x15",
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"subprotocolName": "exp",
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"minGasLimit": "0x1388",
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"accountStartNonce": "0x01",
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"gasLimitBoundDivisor": "0x20",
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"maxCodeSize": "0x1000",
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"wasmActivationTransition": "0x1010"
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}"#;
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let deserialized: Params = serde_json::from_str(s).unwrap();
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assert_eq!(deserialized.maximum_extra_data_size, Uint(U256::from(0x20)));
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assert_eq!(deserialized.network_id, Uint(U256::from(0x1)));
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assert_eq!(deserialized.chain_id, Some(Uint(U256::from(0x15))));
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assert_eq!(deserialized.subprotocol_name, Some("exp".to_owned()));
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assert_eq!(deserialized.min_gas_limit, Uint(U256::from(0x1388)));
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assert_eq!(deserialized.account_start_nonce, Some(Uint(U256::from(0x01))));
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assert_eq!(deserialized.gas_limit_bound_divisor, Uint(U256::from(0x20)));
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assert_eq!(deserialized.max_code_size, Some(Uint(U256::from(0x1000))));
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assert_eq!(deserialized.wasm_activation_transition, Some(Uint(U256::from(0x1010))));
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}
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#[test]
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#[should_panic(expected = "a non-zero value")]
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fn test_zero_value_divisor() {
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let s = r#"{
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"maximumExtraDataSize": "0x20",
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"networkID" : "0x1",
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"chainID" : "0x15",
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"subprotocolName" : "exp",
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"minGasLimit": "0x1388",
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"accountStartNonce": "0x01",
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"gasLimitBoundDivisor": "0x0",
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"maxCodeSize": "0x1000"
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}"#;
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let _deserialized: Params = serde_json::from_str(s).unwrap();
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}
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}
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