upgrade tonic 0.8

Author: adamrk

README.md

@@ -26,8 +26,8 @@ as a Rust trait.
 
 # Required dependencies
 ```toml
-tonic = "0.4"
-tonic-rpc = { version = "0.1", features = [ <enabled-codecs> ] }
+tonic = "0.8"
+tonic-rpc = { version = "0.2", features = [ <enabled-codecs> ] }
 ```
 
 # Example
@@ -96,7 +96,7 @@ E.g. To use the encode using `cbor`, use the attribute
 ```
 and include
 ```toml
-tonic-rpc = { version = "0.1", features = [ "cbor" ]}
+tonic-rpc = { version = "0.2", features = [ "cbor" ]}
 ```
 in `Cargo.toml`.
 

tonic-rpc-macro/Cargo.toml

@@ -19,6 +19,6 @@ proc-macro = true
 heck = "0.4"
 itertools = "0.10"
 syn = { version = "1.0", features = ["full"] }
-tonic-build = "0.7"
+tonic-build = "0.8"
 proc-macro2 = "1.0"
 quote = "1.0"

tonic-rpc-macro/src/lib.rs

@@ -77,9 +77,11 @@ macro_rules! method_impl {
         }
 
         impl Method for $name {
-            const CODEC_PATH: &'static str = $codec;
             type Comment = String;
 
+            fn codec_path(&self) -> &str {
+                $codec
+            }
             fn name(&self) -> &str {
                 self.0.name()
             }
@@ -121,7 +123,6 @@ struct RustDefService<T> {
 macro_rules! service_impl {
     ($name:ident, $codec:expr) => {
         impl Service for RustDefService<$name> {
-            const CODEC_PATH: &'static str = $codec;
             type Comment = String;
             type Method = $name;
 

tonic-rpc/Cargo.toml

@@ -24,7 +24,7 @@ messagepack = ["rmp-serde"]
 [dependencies]
 bytes = "1.0"
 serde = { version = "1.0", features = ["derive"] }
-tonic = "0.7"
+tonic = "0.8"
 tonic-rpc-macro = { version = "0.2", path = "../tonic-rpc-macro" }
 
 # optional codecs
@@ -39,7 +39,7 @@ tokio = { version = "1.4", features = [ "full" ] }
 tokio-stream = { version = "0.1", features = [ "net" ] }
 
 [build-dependencies]
-tonic-build = "0.7"
+tonic-build = "0.8"
 
 # docs.rs-specific configuration
 [package.metadata.docs.rs]

tonic-rpc/src/lib.rs

@@ -11,8 +11,8 @@
 //!
 //! # Required dependencies
 //! ```toml
-//! tonic = "0.4"
-//! tonic-rpc = { version = "0.1", features = [ <enabled-codecs> ] }
+//! tonic = "0.8"
+//! tonic-rpc = { version = "0.2", features = [ <enabled-codecs> ] }
 //! ```
 //!
 //! # Example
@@ -114,7 +114,7 @@
 //! ```
 //! and include
 //! ```toml
-//! tonic-rpc = { version = "0.1", features = [ "cbor" ]}
+//! tonic-rpc = { version = "0.2", features = [ "cbor" ]}
 //! ```
 //! in `Cargo.toml`.
 //!