Feature gate recovery module

.travis.yml

@@ -24,10 +24,11 @@ script:
   - cargo build --verbose --features=rand
   - cargo test --verbose --features=rand
   - cargo test --verbose --features="rand serde"
+  - cargo test --verbose --features="rand serde recovery"
   - cargo build --verbose --no-default-features
   - cargo build --verbose --no-default-features --features="serde"
   - cargo build --verbose --no-default-features --features="rand"
-  - cargo build --verbose --no-default-features --features="rand serde"
+  - cargo build --verbose --no-default-features --features="rand serde recovery"
   - cargo build --verbose
   - cargo test --verbose
   - cargo build --release

Cargo.toml

@@ -15,7 +15,7 @@ build = "build.rs"
 
 # Should make docs.rs show all functions, even those behind non-default features
 [package.metadata.docs.rs]
-features = [ "rand", "serde" ]
+features = [ "rand", "serde", "recovery" ]
 all-features = true
 
 [build-dependencies]
@@ -30,6 +30,7 @@ unstable = []
 default = ["std"]
 fuzztarget = []
 std = []
+recovery = []
 
 [dev-dependencies]
 rand = "0.6"

src/lib.rs

@@ -152,6 +152,7 @@ pub mod constants;
 pub mod ecdh;
 pub mod ffi;
 pub mod key;
+#[cfg(feature = "recovery")]
 pub mod recovery;
 
 pub use key::SecretKey;

src/recovery.rs

@@ -174,7 +174,7 @@ impl<C: Verification> Secp256k1<C> {
 mod tests {
     use rand::{RngCore, thread_rng};
 
-    use key::{SecretKey, PublicKey};
+    use key::SecretKey;
     use super::{RecoveryId, RecoverableSignature};
     use super::super::{Secp256k1, Message};
     use super::super::Error::{IncorrectSignature, InvalidSignature};