Remove unused rand dependency

Cargo.toml

@@ -23,7 +23,6 @@ use-serde = ["serde", "bitcoin_hashes/serde"]
 [dependencies]
 bitcoin-bech32 = "0.9.0"
 byteorder = "1.2"
-rand = "0.3"
 bitcoin_hashes = "0.3"
 bitcoinconsensus = { version = "0.16", optional = true }
 

src/internal_macros.rs

@@ -154,13 +154,6 @@ macro_rules! impl_array_newtype {
                 }
             }
         }
-
-        impl ::rand::Rand for $thing {
-            #[inline]
-            fn rand<R: ::rand::Rng>(r: &mut R) -> $thing {
-                $thing(::rand::Rand::rand(r))
-            }
-        }
     }
 }
 

src/lib.rs

@@ -46,7 +46,6 @@ extern crate bitcoin_bech32;
 extern crate bitcoin_hashes;
 extern crate byteorder;
 extern crate hex;
-extern crate rand;
 extern crate secp256k1;
 #[cfg(feature = "serde")] extern crate serde;
 #[cfg(feature = "strason")] extern crate strason;

src/util/address.rs

@@ -18,7 +18,6 @@
 //! # Example: creating a new address from a randomly-generated key pair
 //!
 //! ```rust
-//! extern crate rand;
 //! extern crate secp256k1;
 //! extern crate bitcoin;
 //! 
@@ -26,7 +25,7 @@
 //! use bitcoin::util::address::Address;
 //! use bitcoin::util::key;
 //! use secp256k1::Secp256k1;
-//! use rand::thread_rng;
+//! use secp256k1::rand::thread_rng;
 //! 
 //! fn main() {
 //!     // Generate random key pair

src/util/contracthash.rs

@@ -284,7 +284,7 @@ pub fn untemplate(script: &script::Script) -> Result<(Template, Vec<PublicKey>),
 mod tests {
     use secp256k1::Secp256k1;
     use hex::decode as hex_decode;
-    use rand::thread_rng;
+    use secp256k1::rand::thread_rng;
     use std::str::FromStr;
 
     use blockdata::script::Script;

src/util/misc.rs

@@ -124,7 +124,7 @@ pub fn signed_msg_hash(msg: &str) -> sha256d::Hash {
 
 #[cfg(all(test, feature="unstable"))]
 mod benches {
-    use rand::{Rng, thread_rng};
+    use secp256k1::rand::{Rng, thread_rng};
     use super::hex_bytes;
     use test::Bencher;