From 9f9b79f30b40960b7be1fd213e0eb899aa9bed8e Mon Sep 17 00:00:00 2001
From: Greg Fitzgerald <garious@gmail.com>
Date: Mon, 19 Mar 2018 10:09:17 -0600
Subject: [PATCH] log -> ledger

Free up namespace for traditional runtime logs.
---
 src/bin/historian-demo.rs | 6 +++---
 src/historian.rs          | 4 ++--
 src/{log.rs => ledger.rs} | 8 ++++----
 src/lib.rs                | 2 +-
 src/mint.rs               | 2 +-
 5 files changed, 11 insertions(+), 11 deletions(-)
 rename src/{log.rs => ledger.rs} (93%)

diff --git a/src/bin/historian-demo.rs b/src/bin/historian-demo.rs
index 1ac5ae231..8708e74c7 100644
--- a/src/bin/historian-demo.rs
+++ b/src/bin/historian-demo.rs
@@ -3,7 +3,7 @@ extern crate silk;
 use silk::historian::Historian;
 use silk::hash::Hash;
 use silk::entry::Entry;
-use silk::log::verify_slice;
+use silk::ledger::verify_slice;
 use silk::logger::Signal;
 use silk::signature::{KeyPair, KeyPairUtil};
 use silk::transaction::Transaction;
@@ -12,7 +12,7 @@ use std::thread::sleep;
 use std::time::Duration;
 use std::sync::mpsc::SendError;
 
-fn create_log(hist: &Historian, seed: &Hash) -> Result<(), SendError<Signal>> {
+fn create_ledger(hist: &Historian, seed: &Hash) -> Result<(), SendError<Signal>> {
     sleep(Duration::from_millis(15));
     let keypair = KeyPair::new();
     let tr = Transaction::new(&keypair, keypair.pubkey(), 42, *seed);
@@ -25,7 +25,7 @@ fn create_log(hist: &Historian, seed: &Hash) -> Result<(), SendError<Signal>> {
 fn main() {
     let seed = Hash::default();
     let hist = Historian::new(&seed, Some(10));
-    create_log(&hist, &seed).expect("send error");
+    create_ledger(&hist, &seed).expect("send error");
     drop(hist.sender);
     let entries: Vec<Entry> = hist.receiver.iter().collect();
     for entry in &entries {
diff --git a/src/historian.rs b/src/historian.rs
index 77e9f35a5..9c16dc710 100644
--- a/src/historian.rs
+++ b/src/historian.rs
@@ -67,7 +67,7 @@ pub fn reserve_signature(sigs: &mut HashSet<Signature>, sig: &Signature) -> bool
 #[cfg(test)]
 mod tests {
     use super::*;
-    use log::*;
+    use ledger::*;
     use std::thread::sleep;
     use std::time::Duration;
 
@@ -132,7 +132,7 @@ mod tests {
         assert_eq!(entries.len(), 1);
 
         // Ensure the ID is not the seed, which indicates another Tick
-        // was logged before the one we sent.
+        // was recorded before the one we sent.
         assert_ne!(entries[0].id, zero);
     }
 }
diff --git a/src/log.rs b/src/ledger.rs
similarity index 93%
rename from src/log.rs
rename to src/ledger.rs
index 058e5eaa2..21dfd7827 100644
--- a/src/log.rs
+++ b/src/ledger.rs
@@ -1,7 +1,7 @@
-//! The `log` crate provides the foundational data structures for Proof-of-History,
+//! The `ledger` crate provides the foundational data structures for Proof-of-History,
 //! an ordered log of events in time.
 
-/// Each log entry contains three pieces of data. The 'num_hashes' field is the number
+/// Each entry contains three pieces of data. The 'num_hashes' field is the number
 /// of hashes performed since the previous entry.  The 'id' field is the result
 /// of hashing 'id' from the previous entry 'num_hashes' times.  The 'event'
 /// field points to an Event that took place shortly after 'id' was generated.
@@ -11,7 +11,7 @@
 /// over time, one should expect the duration 'num_hashes' represents to decrease proportionally.
 /// Though processing power varies across nodes, the network gives priority to the
 /// fastest processor. Duration should therefore be estimated by assuming that the hash
-/// was generated by the fastest processor at the time the entry was logged.
+/// was generated by the fastest processor at the time the entry was recorded.
 
 use hash::Hash;
 use entry::{next_tick, Entry};
@@ -60,7 +60,7 @@ mod tests {
 mod bench {
     extern crate test;
     use self::test::Bencher;
-    use log::*;
+    use ledger::*;
 
     #[bench]
     fn event_bench(bencher: &mut Bencher) {
diff --git a/src/lib.rs b/src/lib.rs
index 089399a5e..7af181679 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,7 +5,7 @@ pub mod plan;
 pub mod transaction;
 pub mod event;
 pub mod entry;
-pub mod log;
+pub mod ledger;
 pub mod mint;
 pub mod logger;
 pub mod historian;
diff --git a/src/mint.rs b/src/mint.rs
index 2040b0948..f2a91da87 100644
--- a/src/mint.rs
+++ b/src/mint.rs
@@ -57,7 +57,7 @@ impl Mint {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use log::verify_slice;
+    use ledger::verify_slice;
     use plan::{Action, Plan};
 
     #[test]