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- #![allow(unused)]
-
- #[macro_use]
- extern crate slog;
- #[macro_use]
- extern crate markets;
-
- use std::io::{self, prelude::*};
- use std::fs;
- use std::path::{Path, PathBuf};
- use std::time::*;
- use pretty_toa::ThousandsSep;
- use structopt::StructOpt;
- use serde::{Serialize, Deserialize};
- use slog::Drain;
- use chrono::{DateTime, Utc};
- use markets::crypto::{Exchange, Ticker, Side};
-
- macro_rules! fatal { ($fmt:expr, $($args:tt)*) => {{
- eprintln!($fmt, $($args)*);
- std::process::exit(1);
- }}}
-
-
-
- #[structopt(rename_all="kebab-case")]
- #[derive(Debug, StructOpt)]
- enum Opt {
-
- /// Filter trades-csv by start,end range and save subset to output-path
- Range {
-
- /// Path to CSV file with trades data
- #[structopt(short = "f", long = "trades-csv")]
- #[structopt(parse(from_os_str))]
- trades_csv: PathBuf,
-
- /// Where to save the query results (CSV output)
- #[structopt(short = "o", long = "output-path")]
- #[structopt(parse(from_os_str))]
- output_path: PathBuf,
-
- /// rfc3339 format ("YYYY-MM-DDTHH:MM:SSZ")
- start: DateTime<Utc>,
-
- /// rfc3339 format ("YYYY-MM-DDTHH:MM:SSZ")
- end: DateTime<Utc>,
-
- },
- }
-
- #[derive(Deserialize)]
- struct Trade {
- /// Unix nanoseconds
- pub time: u64,
- pub exch: Exchange,
- pub ticker: Ticker,
- //pub side: Option<Side>,
- pub price: f64,
- pub amount: f64,
- }
-
- fn per_sec(n: usize, span: Duration) -> f64 {
- if n == 0 || span < Duration::from_micros(1) { return 0.0 }
- let s: f64 = span.as_nanos() as f64 / 1e9f64;
- n as f64 / s
- }
-
- fn nanos(utc: DateTime<Utc>) -> u64 {
- (utc.timestamp() as u64) * 1_000_000_000_u64 + (utc.timestamp_subsec_nanos() as u64)
- }
-
- fn run(start: Instant, logger: &slog::Logger) -> Result<usize, String> {
- let opt = Opt::from_args();
-
- let mut n = 0;
-
- match opt {
- Opt::Range { trades_csv, output_path, start, end } => {
- let logger = logger.new(o!("cmd" => "range"));
-
- info!(logger, "beginning range cmd";
- "trades_csv" => %trades_csv.display(),
- "output_path" => %output_path.display(),
- "start" => %start,
- "end" => %end,
- );
-
- if ! trades_csv.exists() { return Err(format!("--trades-csv path does not exist: {}", trades_csv.display())) }
-
- info!(logger, "opening trades_csv file");
-
- let rdr = fs::File::open(&trades_csv)
- .map_err(|e| format!("opening trades csv file failed: {} (tried to open {})", e, trades_csv.display()))?;
-
- let rdr = io::BufReader::new(rdr);
-
- let mut rdr = csv::Reader::from_reader(rdr);
-
- let wtr = fs::File::create(&output_path)
- .map_err(|e| format!("opening output file failed: {} (tried to open {} for writing)", e, output_path.display()))?;
-
- let wtr = io::BufWriter::new(wtr);
-
- let mut wtr = csv::Writer::from_writer(wtr);
-
- let headers: csv::ByteRecord = rdr.byte_headers().map_err(|e| format!("failed to parse CSV headers: {}", e))?.clone();
- let mut row = csv::ByteRecord::new();
-
- let start_nanos = nanos(start);
- let end_nanos = nanos(end);
-
- }
- }
-
- Ok(n)
- }
-
- fn main() {
- let start = Instant::now();
-
- let decorator = slog_term::TermDecorator::new().stdout().force_color().build();
- let drain = slog_term::FullFormat::new(decorator).use_utc_timestamp().build().fuse();
- let drain = slog_async::Async::new(drain).chan_size(1024 * 64).thread_name("recv".into()).build().fuse();
- let logger = slog::Logger::root(drain, o!("version" => structopt::clap::crate_version!()));
-
- match run(start, &logger) {
- Ok(n) => {
- let took = Instant::now() - start;
- info!(logger, "finished in {:?}", took;
- "n rows" => %n.thousands_sep(),
- "rows/sec" => &((per_sec(n, took) * 100.0).round() / 10.0).thousands_sep(),
- );
- }
-
- Err(e) => {
- crit!(logger, "run failed: {:?}", e);
- eprintln!("\n\nError: {}", e);
- std::thread::sleep(Duration::from_millis(100));
- std::process::exit(1);
- }
- }
-
- }
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