Rust docs (#681)

crates/cdk-payment-processor/Cargo.toml

@@ -8,6 +8,7 @@ homepage = "https://github.com/cashubtc/cdk"
 repository = "https://github.com/cashubtc/cdk.git"
 rust-version.workspace = true                     # MSRV
 license.workspace = true
+readme = "README.md"
 
 [[bin]]
 name = "cdk-payment-processor"

crates/cdk-payment-processor/build.rs

@@ -2,6 +2,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     println!("cargo:rerun-if-changed=src/proto/payment_processor.proto");
     tonic_build::configure()
         .protoc_arg("--experimental_allow_proto3_optional")
+        .type_attribute(".", "#[allow(missing_docs)]")
+        .field_attribute(".", "#[allow(missing_docs)]")
         .compile_protos(&["src/proto/payment_processor.proto"], &["src/proto"])?;
     Ok(())
 }

crates/cdk-payment-processor/src/lib.rs

@@ -1,3 +1,7 @@
+#![doc = include_str!("../README.md")]
+#![warn(missing_docs)]
+#![warn(rustdoc::bare_urls)]
+
 pub mod error;
 pub mod proto;
 

crates/cdk-payment-processor/src/proto/mod.rs

@@ -1,3 +1,5 @@
+//! Proto types for payment processor
+
 use std::str::FromStr;
 
 use cdk_common::payment::{

crates/cdk-payment-processor/src/proto/server.rs

@@ -32,6 +32,7 @@ pub struct PaymentProcessorServer {
 }
 
 impl PaymentProcessorServer {
+    /// Create new [`PaymentProcessorServer`]
     pub fn new(
         payment_processor: Arc<dyn MintPayment<Err = cdk_common::payment::Error> + Send + Sync>,
         addr: &str,