cln-grpc: Add glue to get all pieces to work together

Cargo.toml

@@ -1,4 +1,5 @@
 [workspace]
 members = [
   "cln-rpc",
+  "cln-grpc",
 ]

cln-grpc/proto/primitives.proto

@@ -2,13 +2,7 @@ syntax = "proto3";
 package cln;
 
 message Amount {
-	oneof unit {
+	uint64 msat = 1;
-		uint64 millisatoshi = 1;
-		uint64 satoshi = 2;
-		uint64 bitcoin = 3;
-		bool all = 4;
-		bool any = 5;
-	}
 }
 
 enum ChannelSide {

cln-grpc/src/lib.rs

@@ -0,0 +1,5 @@
+mod convert;
+pub mod pb;
+mod server;
+
+pub use crate::server::Server;

cln-grpc/src/pb.rs

@@ -0,0 +1,15 @@
+tonic::include_proto!("cln");
+
+use cln_rpc::primitives::Amount as JAmount;
+
+impl From<JAmount> for Amount {
+    fn from(a: JAmount) -> Self {
+        Amount { msat: a.msat() }
+    }
+}
+
+impl From<Amount> for JAmount {
+    fn from(a: Amount) -> Self {
+        JAmount::from_msat(a.msat)
+    }
+}

cln-rpc/src/primitives.rs

@@ -62,6 +62,10 @@ impl Amount {
             msat: 100_000_000_000 * btc,
         }
     }
+
+    pub fn msat(&self) -> u64 {
+        self.msat
+    }
 }
 
 #[derive(Copy, Clone, Serialize, Deserialize, Debug, PartialEq)]