[bindings] Use global context for secp256k1

Note that this uses https://github.com/rust-bitcoin/rust-secp256k1/pull/279

diff --git a/c-bindings-gen/src/types.rs b/c-bindings-gen/src/types.rs
index e7244039f4bcc5a32ab230b9f0a22640c56f28fd..7fc7e4cd905cff8d1cc66cd39aba44988b38c535 100644 (file)
--- a/c-bindings-gen/src/types.rs
+++ b/c-bindings-gen/src/types.rs
@@ -587,7 +587,7 @@ impl<'a, 'c: 'a> TypeResolver<'a, 'c> {
        /// Returns true we if can just skip passing this to C entirely
        fn no_arg_path_to_rust(&self, full_path: &str) -> &str {
                if full_path == "bitcoin::secp256k1::Secp256k1" {
-                       "&bitcoin::secp256k1::Secp256k1::new()"
+                       "secp256k1::SECP256K1"
                } else { unimplemented!(); }
        }
 

diff --git a/lightning-c-bindings/Cargo.toml b/lightning-c-bindings/Cargo.toml
index 7c569abc7e35868e0a96f9fa79f4206270000666..9f7210386b629ad4c10be009129a8673180a1bff 100644 (file)
--- a/lightning-c-bindings/Cargo.toml
+++ b/lightning-c-bindings/Cargo.toml
@@ -16,8 +16,13 @@ crate-type = ["staticlib"
 
 [dependencies]
 bitcoin = "0.26"
+secp256k1 = { version = "0.20.1", features = ["global-context-less-secure"] }
 lightning = { version = "0.0.12", path = "../lightning" }
 
+[patch.crates-io]
+# Rust-Secp256k1 PR 279. Should be dropped once merged.
+secp256k1 = { git = 'https://github.com/TheBlueMatt/rust-secp256k1', rev = '15a0d4195a20355f6b1e8f54c84eba56abc15cbd' }
+
 # We eventually want to join the root workspace, but for now, the bindings generation is
 # a bit brittle and we don't want to hold up other developers from making changes just
 # because they break the bindings