103 lines
2.2 KiB
Rust
103 lines
2.2 KiB
Rust
#[macro_use]
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extern crate futures;
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extern crate futures_cpupool;
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extern crate futures_after;
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extern crate serde;
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#[macro_use]
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extern crate serde_derive;
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extern crate toml;
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extern crate web3;
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extern crate docopt;
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extern crate tokio_core;
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extern crate tokio_timer;
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#[macro_use]
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extern crate log;
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extern crate env_logger;
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#[macro_use]
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extern crate error_chain;
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extern crate ethabi;
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mod api;
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mod app;
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mod config;
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mod database;
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pub mod error;
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mod bridge;
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mod state;
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use std::env;
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use std::path::PathBuf;
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use docopt::Docopt;
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use tokio_core::reactor::Core;
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use app::{App, Deployed};
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use config::Config;
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use error::Error;
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const USAGE: &'static str = r#"
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Ethereum-Kovan bridge.
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Copyright 2017 Parity Technologies (UK) Limited
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Usage:
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bridge --config <config> --database <database>
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bridge -h | --help
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Options:
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-h, --help Display help message and exit.
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"#;
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#[derive(Debug, Deserialize)]
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pub struct Args {
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arg_config: PathBuf,
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arg_database: PathBuf,
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}
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fn main() {
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let _ = env_logger::init();
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let result = execute(env::args());
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match result {
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Ok(s) => println!("{}", s),
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Err(err) => print_err(err),
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}
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}
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fn print_err(err: Error) {
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let message = err.iter().map(|e| e.to_string()).collect::<Vec<_>>().join("\n\nCaused by:\n ");
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println!("{}", message);
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}
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fn execute<S, I>(command: I) -> Result<String, Error> where I: IntoIterator<Item=S>, S: AsRef<str> {
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trace!(target: "bridge", "Parsing cli arguments");
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let args: Args = Docopt::new(USAGE)
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.and_then(|d| d.argv(command).deserialize())?;
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trace!(target: "bridge", "Loading config");
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let config = Config::load(args.arg_config)?;
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trace!(target: "bridge", "Starting event loop");
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let mut event_loop = Core::new().unwrap();
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trace!(target: "bridge", "Establishing ipc connection");
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let app = App::new_ipc(config, &args.arg_database, &event_loop.handle())?;
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trace!(target: "bridge", "Deploying contracts (if needed)");
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let deployed = event_loop.run(app.ensure_deployed())?;
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match deployed {
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Deployed::New(database) => {
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trace!(target: "bridge", "Deployed new bridge contracts");
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trace!(target: "bridge", "\n\n{}\n", database);
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},
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Deployed::None(database) => {
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trace!(target: "bridge", "Loaded database");
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},
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}
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Ok("Done".into())
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}
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#[cfg(test)]
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mod tests {
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}
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