From 09d4df49f3e06ef636674cb937e7e8a9c9feccd9 Mon Sep 17 00:00:00 2001
From: Roman Zeyde <me@romanzey.de>
Date: Wed, 11 Apr 2018 12:44:44 +0300
Subject: [PATCH] Move `extern crate` to main.rs

---
 src/daemon.rs |  6 ++----
 src/main.rs   | 10 +++++++---
 src/store.rs  | 22 ++++++++--------------
 src/timer.rs  |  4 +---
 src/waiter.rs |  2 +-
 5 files changed, 19 insertions(+), 25 deletions(-)

diff --git a/src/daemon.rs b/src/daemon.rs
index decddeb..3d3d645 100644
--- a/src/daemon.rs
+++ b/src/daemon.rs
@@ -1,12 +1,10 @@
-extern crate itertools;
-extern crate reqwest;
-
 use bitcoin::blockdata::block::BlockHeader;
 use bitcoin::network::encodable::ConsensusDecodable;
 use bitcoin::network::serialize::BitcoinHash;
 use bitcoin::network::serialize::RawDecoder;
 use bitcoin::util::hash::Sha256dHash;
-use self::itertools::enumerate;
+use itertools::enumerate;
+use reqwest;
 use std::collections::{HashMap, VecDeque};
 use std::io::Cursor;
 
diff --git a/src/main.rs b/src/main.rs
index f3925c6..9e03c25 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,11 +1,15 @@
-#[macro_use]
-extern crate log;
-
 extern crate bitcoin;
 extern crate byteorder;
 extern crate crypto;
+extern crate itertools;
+extern crate reqwest;
+extern crate rocksdb;
 extern crate simple_logger;
 extern crate time;
+extern crate zmq;
+
+#[macro_use]
+extern crate log;
 
 mod daemon;
 mod store;
diff --git a/src/store.rs b/src/store.rs
index 4ac936a..076bf44 100644
--- a/src/store.rs
+++ b/src/store.rs
@@ -1,20 +1,14 @@
-extern crate bitcoin;
-extern crate byteorder;
-extern crate crypto;
-extern crate rocksdb;
-extern crate time;
-
-use self::rocksdb::{DBCompactionStyle, DBCompressionType, WriteBatch, WriteOptions, DB};
 use bitcoin::blockdata::block::BlockHeader;
 use bitcoin::network::serialize::deserialize;
+use rocksdb;
 use std::char::from_digit;
 use std::collections::HashMap;
-use self::time::{Duration, PreciseTime};
+use time::{Duration, PreciseTime};
 
 use Bytes;
 
 pub struct Store {
-    db: DB,
+    db: rocksdb::DB,
     rows: Vec<Row>,
     start: PreciseTime,
 }
@@ -42,10 +36,10 @@ impl Store {
     pub fn open(path: &str, opts: StoreOptions) -> Store {
         let mut db_opts = rocksdb::Options::default();
         db_opts.create_if_missing(true);
-        db_opts.set_compaction_style(DBCompactionStyle::Level);
+        db_opts.set_compaction_style(rocksdb::DBCompactionStyle::Level);
         db_opts.set_max_open_files(256);
         db_opts.set_use_fsync(false);
-        db_opts.set_compression_type(DBCompressionType::Snappy);
+        db_opts.set_compression_type(rocksdb::DBCompressionType::Snappy);
         db_opts.set_target_file_size_base(128 << 20);
         db_opts.set_write_buffer_size(256 << 20);
         // db_opts.set_compaction_readahead_size(2 << 20);
@@ -55,7 +49,7 @@ impl Store {
         block_opts.set_block_size(256 << 10);
         info!("opening {}", path);
         Store {
-            db: DB::open(&db_opts, &path).unwrap(),
+            db: rocksdb::DB::open(&db_opts, &path).unwrap(),
             rows: vec![],
             start: PreciseTime::now(),
         }
@@ -71,11 +65,11 @@ impl Store {
     }
 
     pub fn flush(&mut self) {
-        let mut batch = WriteBatch::default();
+        let mut batch = rocksdb::WriteBatch::default();
         for row in &self.rows {
             batch.put(row.key.as_slice(), row.value.as_slice()).unwrap();
         }
-        let mut opts = WriteOptions::new();
+        let mut opts = rocksdb::WriteOptions::new();
         opts.set_sync(true);
         self.db.write_opt(batch, &opts).unwrap();
         self.rows.clear();
diff --git a/src/timer.rs b/src/timer.rs
index b5443ac..dccf30c 100644
--- a/src/timer.rs
+++ b/src/timer.rs
@@ -1,8 +1,6 @@
-extern crate time;
-
 use std::fmt::Write;
 use std::collections::HashMap;
-use self::time::{Duration, PreciseTime};
+use time::{Duration, PreciseTime};
 
 pub struct Timer {
     durations: HashMap<String, Duration>,
diff --git a/src/waiter.rs b/src/waiter.rs
index 2d81f9c..4ea1b04 100644
--- a/src/waiter.rs
+++ b/src/waiter.rs
@@ -1,4 +1,4 @@
-extern crate zmq;
+use zmq;
 
 use Bytes;