From 6806a14a3f16feabc31226b4b855ceeb67f6c19f Mon Sep 17 00:00:00 2001
From: Greg Fitzgerald <greg@solana.com>
Date: Mon, 2 Jul 2018 00:56:21 -0600
Subject: [PATCH] Use Cursor instead of tempfile.

Faster and one less dependency.
---
 Cargo.toml  | 1 -
 src/bank.rs | 7 ++-----
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index e42dc0bf4..3dc88b791 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,4 +80,3 @@ p2p = "0.5.2"
 futures = "0.1.21"
 clap = "2.31"
 reqwest = "0.8.6"
-tempfile = "3.0.2"
diff --git a/src/bank.rs b/src/bank.rs
index 51b9f28be..8441b07a8 100644
--- a/src/bank.rs
+++ b/src/bank.rs
@@ -513,9 +513,6 @@ impl Bank {
 
 #[cfg(test)]
 mod tests {
-    extern crate tempfile;
-
-    use self::tempfile::tempfile;
     use super::*;
     use bincode::serialize;
     use entry::next_entry;
@@ -523,7 +520,7 @@ mod tests {
     use hash::hash;
     use ledger::next_entries;
     use signature::KeyPairUtil;
-    use std::io::{BufRead, BufReader, Seek, SeekFrom};
+    use std::io::{BufRead, BufReader, Cursor, Seek, SeekFrom};
 
     #[test]
     fn test_two_payments_to_one_party() {
@@ -797,7 +794,7 @@ mod tests {
     fn to_file_iter(entries: impl Iterator<Item = Entry>) -> impl Iterator<Item = Entry> {
         let entries: Vec<_> = entries.collect();
 
-        let mut file = tempfile().unwrap();
+        let mut file = Cursor::new(vec![]);
         EntryWriter::write_entries(&mut file, &entries).unwrap();
         file.seek(SeekFrom::Start(0)).unwrap();