From: Matt Corallo <git@bluematt.me>
Date: Mon, 1 Feb 2021 05:09:50 +0000 (-0500)
Subject: [bindings] Use global context for secp256k1
X-Git-Tag: v0.0.13~17^2~5
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=cd0b212e4dac84c9e276c383c135cc9f7e8e3dfc;p=rust-lightning

[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 e7244039f..7fc7e4cd9 100644
--- 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 7c569abc7..9f7210386 100644
--- 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