openethereum/parity/params.rs
2018-04-09 16:18:00 +02:00

447 lines
12 KiB
Rust

// Copyright 2015-2017 Parity Technologies (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/>.
use std::{str, fs, fmt};
use std::time::Duration;
use ethereum_types::{U256, Address};
use futures_cpupool::CpuPool;
use parity_version::version_data;
use journaldb::Algorithm;
use ethcore::spec::{Spec, SpecParams};
use ethcore::ethereum;
use ethcore::client::Mode;
use ethcore::miner::{GasPricer, GasPriceCalibratorOptions};
use hash_fetch::fetch::Client as FetchClient;
use user_defaults::UserDefaults;
#[derive(Debug, PartialEq)]
pub enum SpecType {
Foundation,
Morden,
Ropsten,
Kovan,
Olympic,
Classic,
Expanse,
Musicoin,
Ellaism,
Easthub,
Social,
Dev,
Custom(String),
}
impl Default for SpecType {
fn default() -> Self {
SpecType::Foundation
}
}
impl str::FromStr for SpecType {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let spec = match s {
"foundation" | "frontier" | "homestead" | "mainnet" => SpecType::Foundation,
"frontier-dogmatic" | "homestead-dogmatic" | "classic" => SpecType::Classic,
"morden" | "classic-testnet" => SpecType::Morden,
"ropsten" => SpecType::Ropsten,
"kovan" | "testnet" => SpecType::Kovan,
"olympic" => SpecType::Olympic,
"expanse" => SpecType::Expanse,
"musicoin" => SpecType::Musicoin,
"ellaism" => SpecType::Ellaism,
"easthub" => SpecType::Easthub,
"social" => SpecType::Social,
"dev" => SpecType::Dev,
other => SpecType::Custom(other.into()),
};
Ok(spec)
}
}
impl fmt::Display for SpecType {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.write_str(match *self {
SpecType::Foundation => "foundation",
SpecType::Morden => "morden",
SpecType::Ropsten => "ropsten",
SpecType::Olympic => "olympic",
SpecType::Classic => "classic",
SpecType::Expanse => "expanse",
SpecType::Musicoin => "musicoin",
SpecType::Ellaism => "ellaism",
SpecType::Easthub => "easthub",
SpecType::Social => "social",
SpecType::Kovan => "kovan",
SpecType::Dev => "dev",
SpecType::Custom(ref custom) => custom,
})
}
}
impl SpecType {
pub fn spec<'a, T: Into<SpecParams<'a>>>(&self, params: T) -> Result<Spec, String> {
let params = params.into();
match *self {
SpecType::Foundation => Ok(ethereum::new_foundation(params)),
SpecType::Morden => Ok(ethereum::new_morden(params)),
SpecType::Ropsten => Ok(ethereum::new_ropsten(params)),
SpecType::Olympic => Ok(ethereum::new_olympic(params)),
SpecType::Classic => Ok(ethereum::new_classic(params)),
SpecType::Expanse => Ok(ethereum::new_expanse(params)),
SpecType::Musicoin => Ok(ethereum::new_musicoin(params)),
SpecType::Ellaism => Ok(ethereum::new_ellaism(params)),
SpecType::Easthub => Ok(ethereum::new_easthub(params)),
SpecType::Social => Ok(ethereum::new_social(params)),
SpecType::Kovan => Ok(ethereum::new_kovan(params)),
SpecType::Dev => Ok(Spec::new_instant()),
SpecType::Custom(ref filename) => {
let file = fs::File::open(filename).map_err(|e| format!("Could not load specification file at {}: {}", filename, e))?;
Spec::load(params, file)
}
}
}
pub fn legacy_fork_name(&self) -> Option<String> {
match *self {
SpecType::Classic => Some("classic".to_owned()),
SpecType::Expanse => Some("expanse".to_owned()),
SpecType::Musicoin => Some("musicoin".to_owned()),
_ => None,
}
}
}
#[derive(Debug, PartialEq)]
pub enum Pruning {
Specific(Algorithm),
Auto,
}
impl Default for Pruning {
fn default() -> Self {
Pruning::Auto
}
}
impl str::FromStr for Pruning {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"auto" => Ok(Pruning::Auto),
other => other.parse().map(Pruning::Specific),
}
}
}
impl Pruning {
pub fn to_algorithm(&self, user_defaults: &UserDefaults) -> Algorithm {
match *self {
Pruning::Specific(algo) => algo,
Pruning::Auto => user_defaults.pruning,
}
}
}
#[derive(Debug, PartialEq)]
pub struct ResealPolicy {
pub own: bool,
pub external: bool,
}
impl Default for ResealPolicy {
fn default() -> Self {
ResealPolicy {
own: true,
external: true,
}
}
}
impl str::FromStr for ResealPolicy {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
let (own, external) = match s {
"none" => (false, false),
"own" => (true, false),
"ext" => (false, true),
"all" => (true, true),
x => return Err(format!("Invalid reseal value: {}", x)),
};
let reseal = ResealPolicy {
own: own,
external: external,
};
Ok(reseal)
}
}
#[derive(Debug, PartialEq)]
pub struct AccountsConfig {
pub iterations: u32,
pub refresh_time: u64,
pub testnet: bool,
pub password_files: Vec<String>,
pub unlocked_accounts: Vec<Address>,
pub enable_hardware_wallets: bool,
pub enable_fast_unlock: bool,
}
impl Default for AccountsConfig {
fn default() -> Self {
AccountsConfig {
iterations: 10240,
refresh_time: 5,
testnet: false,
password_files: Vec::new(),
unlocked_accounts: Vec::new(),
enable_hardware_wallets: true,
enable_fast_unlock: false,
}
}
}
#[derive(Debug, PartialEq)]
pub enum GasPricerConfig {
Fixed(U256),
Calibrated {
initial_minimum: U256,
usd_per_tx: f32,
recalibration_period: Duration,
}
}
impl GasPricerConfig {
pub fn initial_min(&self) -> U256 {
match *self {
GasPricerConfig::Fixed(ref min) => min.clone(),
GasPricerConfig::Calibrated { ref initial_minimum, .. } => initial_minimum.clone(),
}
}
}
impl Default for GasPricerConfig {
fn default() -> Self {
GasPricerConfig::Calibrated {
initial_minimum: 476190464u64.into(),
usd_per_tx: 0.0001f32,
recalibration_period: Duration::from_secs(3600),
}
}
}
impl GasPricerConfig {
pub fn to_gas_pricer(&self, fetch: FetchClient, p: CpuPool) -> GasPricer {
match *self {
GasPricerConfig::Fixed(u) => GasPricer::Fixed(u),
GasPricerConfig::Calibrated { usd_per_tx, recalibration_period, .. } => {
GasPricer::new_calibrated(
GasPriceCalibratorOptions {
usd_per_tx: usd_per_tx,
recalibration_period: recalibration_period,
},
fetch,
p,
)
}
}
}
}
#[derive(Debug, PartialEq)]
pub struct MinerExtras {
pub author: Address,
pub extra_data: Vec<u8>,
pub gas_floor_target: U256,
pub gas_ceil_target: U256,
pub engine_signer: Address,
}
impl Default for MinerExtras {
fn default() -> Self {
MinerExtras {
author: Default::default(),
extra_data: version_data(),
gas_floor_target: U256::from(4_700_000),
gas_ceil_target: U256::from(6_283_184),
engine_signer: Default::default(),
}
}
}
/// 3-value enum.
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum Switch {
/// True.
On,
/// False.
Off,
/// Auto.
Auto,
}
impl Default for Switch {
fn default() -> Self {
Switch::Auto
}
}
impl str::FromStr for Switch {
type Err = String;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"on" => Ok(Switch::On),
"off" => Ok(Switch::Off),
"auto" => Ok(Switch::Auto),
other => Err(format!("Invalid switch value: {}", other))
}
}
}
pub fn tracing_switch_to_bool(switch: Switch, user_defaults: &UserDefaults) -> Result<bool, String> {
match (user_defaults.is_first_launch, switch, user_defaults.tracing) {
(false, Switch::On, false) => Err("TraceDB resync required".into()),
(_, Switch::On, _) => Ok(true),
(_, Switch::Off, _) => Ok(false),
(_, Switch::Auto, def) => Ok(def),
}
}
pub fn fatdb_switch_to_bool(switch: Switch, user_defaults: &UserDefaults, _algorithm: Algorithm) -> Result<bool, String> {
let result = match (user_defaults.is_first_launch, switch, user_defaults.fat_db) {
(false, Switch::On, false) => Err("FatDB resync required".into()),
(_, Switch::On, _) => Ok(true),
(_, Switch::Off, _) => Ok(false),
(_, Switch::Auto, def) => Ok(def),
};
result
}
pub fn mode_switch_to_bool(switch: Option<Mode>, user_defaults: &UserDefaults) -> Result<Mode, String> {
Ok(switch.unwrap_or(user_defaults.mode.clone()))
}
#[cfg(test)]
mod tests {
use journaldb::Algorithm;
use user_defaults::UserDefaults;
use super::{SpecType, Pruning, ResealPolicy, Switch, tracing_switch_to_bool};
#[test]
fn test_spec_type_parsing() {
assert_eq!(SpecType::Foundation, "frontier".parse().unwrap());
assert_eq!(SpecType::Foundation, "homestead".parse().unwrap());
assert_eq!(SpecType::Foundation, "mainnet".parse().unwrap());
assert_eq!(SpecType::Foundation, "foundation".parse().unwrap());
assert_eq!(SpecType::Kovan, "testnet".parse().unwrap());
assert_eq!(SpecType::Kovan, "kovan".parse().unwrap());
assert_eq!(SpecType::Morden, "morden".parse().unwrap());
assert_eq!(SpecType::Ropsten, "ropsten".parse().unwrap());
assert_eq!(SpecType::Olympic, "olympic".parse().unwrap());
assert_eq!(SpecType::Classic, "classic".parse().unwrap());
assert_eq!(SpecType::Morden, "classic-testnet".parse().unwrap());
}
#[test]
fn test_spec_type_default() {
assert_eq!(SpecType::Foundation, SpecType::default());
}
#[test]
fn test_spec_type_display() {
assert_eq!(format!("{}", SpecType::Foundation), "foundation");
assert_eq!(format!("{}", SpecType::Ropsten), "ropsten");
assert_eq!(format!("{}", SpecType::Morden), "morden");
assert_eq!(format!("{}", SpecType::Olympic), "olympic");
assert_eq!(format!("{}", SpecType::Classic), "classic");
assert_eq!(format!("{}", SpecType::Expanse), "expanse");
assert_eq!(format!("{}", SpecType::Musicoin), "musicoin");
assert_eq!(format!("{}", SpecType::Kovan), "kovan");
assert_eq!(format!("{}", SpecType::Dev), "dev");
assert_eq!(format!("{}", SpecType::Custom("foo/bar".into())), "foo/bar");
}
#[test]
fn test_pruning_parsing() {
assert_eq!(Pruning::Auto, "auto".parse().unwrap());
assert_eq!(Pruning::Specific(Algorithm::Archive), "archive".parse().unwrap());
assert_eq!(Pruning::Specific(Algorithm::EarlyMerge), "light".parse().unwrap());
assert_eq!(Pruning::Specific(Algorithm::OverlayRecent), "fast".parse().unwrap());
assert_eq!(Pruning::Specific(Algorithm::RefCounted), "basic".parse().unwrap());
}
#[test]
fn test_pruning_default() {
assert_eq!(Pruning::Auto, Pruning::default());
}
#[test]
fn test_reseal_policy_parsing() {
let none = ResealPolicy { own: false, external: false };
let own = ResealPolicy { own: true, external: false };
let ext = ResealPolicy { own: false, external: true };
let all = ResealPolicy { own: true, external: true };
assert_eq!(none, "none".parse().unwrap());
assert_eq!(own, "own".parse().unwrap());
assert_eq!(ext, "ext".parse().unwrap());
assert_eq!(all, "all".parse().unwrap());
}
#[test]
fn test_reseal_policy_default() {
let all = ResealPolicy { own: true, external: true };
assert_eq!(all, ResealPolicy::default());
}
#[test]
fn test_switch_parsing() {
assert_eq!(Switch::On, "on".parse().unwrap());
assert_eq!(Switch::Off, "off".parse().unwrap());
assert_eq!(Switch::Auto, "auto".parse().unwrap());
}
#[test]
fn test_switch_default() {
assert_eq!(Switch::default(), Switch::Auto);
}
fn user_defaults_with_tracing(first_launch: bool, tracing: bool) -> UserDefaults {
let mut ud = UserDefaults::default();
ud.is_first_launch = first_launch;
ud.tracing = tracing;
ud
}
#[test]
fn test_switch_to_bool() {
assert!(!tracing_switch_to_bool(Switch::Off, &user_defaults_with_tracing(true, true)).unwrap());
assert!(!tracing_switch_to_bool(Switch::Off, &user_defaults_with_tracing(true, false)).unwrap());
assert!(!tracing_switch_to_bool(Switch::Off, &user_defaults_with_tracing(false, true)).unwrap());
assert!(!tracing_switch_to_bool(Switch::Off, &user_defaults_with_tracing(false, false)).unwrap());
assert!(tracing_switch_to_bool(Switch::On, &user_defaults_with_tracing(true, true)).unwrap());
assert!(tracing_switch_to_bool(Switch::On, &user_defaults_with_tracing(true, false)).unwrap());
assert!(tracing_switch_to_bool(Switch::On, &user_defaults_with_tracing(false, true)).unwrap());
assert!(tracing_switch_to_bool(Switch::On, &user_defaults_with_tracing(false, false)).is_err());
}
}