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Argument parsing from CLI.

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Closes #179
This commit is contained in:
Gav Wood 2016-01-23 23:53:20 +01:00
parent d556468024
commit b059d32485
8 changed files with 71 additions and 20 deletions
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1
Cargo.toml
View File

@ -20,6 +20,7 @@ time = "0.1"
evmjit = { path = "rust-evmjit", optional = true }
ethash = { path = "ethash" }
num_cpus = "0.2"
docopt = "0.6"
[features]
jit = ["evmjit"]

5
res/ethereum/frontier.json
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@ -26,6 +26,11 @@
"gasLimit": "0x1388",
"stateRoot": "0xd7f8974fb5ac78d9ac099b9ad5018bedc2ce0a72dad1827a1709da30580f0544"
},
"nodes": [
"enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303",
"enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303",
"enode://1118980bf48b0a3640bdba04e0fe78b1add18e1cd99bf22d53daac1fd9972ad650df52176e7c7d89d1114cfef2bc23a2959aa54998a46afcf7d91809f0855082@52.74.57.123:30303"
],
"accounts": {
"0000000000000000000000000000000000000001": { "builtin": { "name": "ecrecover", "linear": { "base": 3000, "word": 0 } } },
"0000000000000000000000000000000000000002": { "builtin": { "name": "sha256", "linear": { "base": 60, "word": 12 } } },

45
src/bin/client/main.rs
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@ -1,6 +1,10 @@
#![feature(plugin)]
//#![plugin(docopt_macros)]
extern crate docopt;
extern crate rustc_serialize;
extern crate ethcore_util as util;
extern crate ethcore;
extern crate rustc_serialize;
extern crate log;
extern crate env_logger;
@ -14,8 +18,27 @@ use ethcore::service::ClientService;
use ethcore::ethereum;
use ethcore::blockchain::CacheSize;
use ethcore::sync::*;
use docopt::Docopt;
fn setup_log() {
const USAGE: &'static str = "
Parity. Ethereum Client.
Usage:
parity [options]
parity [options] <enode>...
Options:
-l --logging LOGGING Specify the logging level
-h --help Show this screen.
";
#[derive(Debug, RustcDecodable)]
struct Args {
arg_enode: Option<Vec<String>>,
flag_logging: Option<String>,
}
fn setup_log(init: &Option<String>) {
let mut builder = LogBuilder::new();
builder.filter(None, LogLevelFilter::Info);
@ -23,14 +46,28 @@ fn setup_log() {
builder.parse(&env::var("RUST_LOG").unwrap());
}
if let &Some(ref x) = init {
builder.parse(x);
}
builder.init().unwrap();
}
fn main() {
setup_log();
let args: Args = Docopt::new(USAGE).and_then(|d| d.decode()).unwrap_or_else(|e| e.exit());
setup_log(&args.flag_logging);
let spec = ethereum::new_frontier();
let mut service = ClientService::start(spec).unwrap();
let init_nodes = match &args.arg_enode {
&None => spec.nodes().clone(),
&Some(ref enodes) => enodes.clone(),
};
let mut service = ClientService::start(spec, &init_nodes).unwrap();
let io_handler = Box::new(ClientIoHandler { client: service.client(), timer: 0, info: Default::default() });
service.io().register_handler(io_handler).expect("Error registering IO handler");
loop {
let mut cmd = String::new();

2
src/lib.rs
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@ -89,6 +89,8 @@ extern crate evmjit;
#[macro_use]
extern crate ethcore_util as util;
// NOTE: Add doc parser exception for these pub declarations.
/// TODO [Gav Wood] Please document me
pub mod common;
/// TODO [Tomusdrw] Please document me

9
src/service.rs
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@ -13,8 +13,8 @@ pub struct ClientService {
impl ClientService {
/// Start the service in a separate thread.
pub fn start(spec: Spec) -> Result<ClientService, Error> {
let mut net_service = try!(NetworkService::start());
pub fn start(spec: Spec, init_nodes: &Vec<String>) -> Result<ClientService, Error> {
let mut net_service = try!(NetworkService::start(init_nodes));
info!("Starting {}", net_service.host_info());
info!("Configured for {} using {} engine", spec.name, spec.engine_name);
let mut dir = env::home_dir().unwrap();
@ -33,6 +33,11 @@ impl ClientService {
})
}
/// Get the network service.
pub fn add_node(&mut self, _enode: &str) {
unimplemented!();
}
/// TODO [arkpar] Please document me
pub fn io(&mut self) -> &mut IoService<NetSyncMessage> {
self.net_service.io()

12
src/spec.rs
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@ -73,6 +73,9 @@ pub struct Spec {
/// TODO [Gav Wood] Please document me
pub engine_name: String,
/// Known nodes on the network in enode format.
pub nodes: Vec<String>,
// Parameters concerning operation of the specific engine we're using.
// Name -> RLP-encoded value
/// TODO [Gav Wood] Please document me
@ -127,6 +130,9 @@ impl Spec {
self.state_root_memo.read().unwrap().as_ref().unwrap().clone()
}
/// Get the known knodes of the network in enode format.
pub fn nodes(&self) -> &Vec<String> { &self.nodes }
/// TODO [Gav Wood] Please document me
pub fn genesis_header(&self) -> Header {
Header {
@ -196,6 +202,10 @@ impl FromJson for Spec {
}
}
let nodes = if let Some(&Json::Array(ref ns)) = json.find("nodes") {
ns.iter().filter_map(|n| if let &Json::String(ref s) = n { Some(s.to_string()) } else {None}).collect()
} else { Vec::new() };
let genesis = &json["genesis"];//.as_object().expect("No genesis object in JSON");
let (seal_fields, seal_rlp) = {
@ -212,12 +222,12 @@ impl FromJson for Spec {
)
}
};
Spec {
name: json.find("name").map(|j| j.as_string().unwrap()).unwrap_or("unknown").to_string(),
engine_name: json["engineName"].as_string().unwrap().to_string(),
engine_params: json_to_rlp_map(&json["params"]),
nodes: nodes,
builtins: builtins,
parent_hash: H256::from_str(&genesis["parentHash"].as_string().unwrap()[2..]).unwrap(),
author: Address::from_str(&genesis["author"].as_string().unwrap()[2..]).unwrap(),

10
util/src/network/host.rs
View File

@ -259,7 +259,7 @@ impl<Message> Host<Message> where Message: Send {
}
}
fn add_node(&mut self, id: &str) {
pub fn add_node(&mut self, id: &str) {
match Node::from_str(id) {
Err(e) => { warn!("Could not add node: {:?}", e); },
Ok(n) => {
@ -560,14 +560,6 @@ impl<Message> IoHandler<NetworkIoMessage<Message>> for Host<Message> where Messa
io.event_loop.timeout_ms(Token(NODETABLE_MAINTAIN), 7200).unwrap();
let port = self.info.config.listen_address.port();
self.info.listen_port = port;
self.add_node("enode://a9a921de2ff09a9a4d38b623c67b2d6b477a8e654ae95d874750cbbcb31b33296496a7b4421934e2629269e180823e52c15c2b19fc59592ec51ffe4f2de76ed7@127.0.0.1:30303");
/* // GO bootnodes
self.add_node("enode://a979fb575495b8d6db44f750317d0f4622bf4c2aa3365d6af7c284339968eef29b69ad0dce72a4d8db5ebb4968de0e3bec910127f134779fbcb0cb6d3331163c@52.16.188.185:30303"); // IE
self.add_node("enode://de471bccee3d042261d52e9bff31458daecc406142b401d4cd848f677479f73104b9fdeb090af9583d3391b7f10cb2ba9e26865dd5fca4fcdc0fb1e3b723c786@54.94.239.50:30303"); // BR
self.add_node("enode://1118980bf48b0a3640bdba04e0fe78b1add18e1cd99bf22d53daac1fd9972ad650df52176e7c7d89d1114cfef2bc23a2959aa54998a46afcf7d91809f0855082@52.74.57.123:30303"); // SG
// ETH/DEV cpp-ethereum (poc-9.ethdev.com)
self.add_node("enode://979b7fa28feeb35a4741660a16076f1943202cb72b6af70d327f053e248bab9ba81760f39d0701ef1d8f89cc1fbd2cacba0710a12cd5314d5e0c9021aa3637f9@5.1.83.226:30303");*/
}
fn stream_hup<'s>(&'s mut self, io: &mut IoContext<'s, NetworkIoMessage<Message>>, stream: StreamToken) {

7
util/src/network/service.rs
View File

@ -13,9 +13,10 @@ pub struct NetworkService<Message> where Message: Send + 'static {
impl<Message> NetworkService<Message> where Message: Send + 'static {
/// Starts IO event loop
pub fn start() -> Result<NetworkService<Message>, UtilError> {
pub fn start(init_nodes: &Vec<String>) -> Result<NetworkService<Message>, UtilError> {
let mut io_service = try!(IoService::<NetworkIoMessage<Message>>::start());
let host = Box::new(Host::new());
let mut host = Box::new(Host::new());
for n in init_nodes { host.add_node(&n); }
let host_info = host.info.client_version.clone();
info!("NetworkService::start(): id={:?}", host.info.id());
try!(io_service.register_handler(host));
@ -55,7 +56,5 @@ impl<Message> NetworkService<Message> where Message: Send + 'static {
pub fn io(&mut self) -> &mut IoService<NetworkIoMessage<Message>> {
&mut self.io_service
}
}