tools: Fix proto compiler (#1015)

* Make Vec method reference absolute to fix #1014 Signed-off-by: Thane Thomson <[email protected]> * Regenerate protos with proto-compiler Signed-off-by: Thane Thomson <[email protected]> * Add experimental CI job to test that generated protos compile Signed-off-by: Thane Thomson <[email protected]> * Try alternative approach to `uses` with `working-directory` Signed-off-by: Thane Thomson <[email protected]> * Add changelog entry Signed-off-by: Thane Thomson <[email protected]>
informalsystems · Oct 29, 2021 · 60e1a0a · 60e1a0a
1 parent 858b577
commit 60e1a0a
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Showing 5 changed files with 22 additions and 3 deletions.
diff --git a/.changelog/unreleased/bug-fixes/1014-fix-proto-compiler.md b/.changelog/unreleased/bug-fixes/1014-fix-proto-compiler.md
@@ -0,0 +1,3 @@
+- `[tools/proto-compiler]` Fixed our proto-compiler, which was producing
+  protos that did not compile due to an incorrect Prost field annotation
+  ([#1014](https://github.com/informalsystems/tendermint-rs/issues/1014))
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -56,3 +56,20 @@ jobs:
       - uses: actions-rs/cargo@v1
         with:
           command: build-tools
+
+  # As per https://github.com/informalsystems/tendermint-rs/issues/1014
+  generated-protos-compile:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          override: true
+      - name: Regenerate proto definitions
+        working-directory: ./tools/proto-compiler/
+        run: cargo run
+      - name: Ensure that generated proto definitions compile
+        uses: actions-rs/cargo@v1
+        with:
+          command: build-all
diff --git a/proto/src/prost/tendermint.abci.rs b/proto/src/prost/tendermint.abci.rs
@@ -236,7 +236,7 @@ pub struct ResponseInfo {
     #[serde(with = "crate::serializers::from_str")]
     pub last_block_height: i64,
     #[prost(bytes="vec", tag="5")]
-    #[serde(skip_serializing_if = "Vec::is_empty", with = "serde_bytes")]
+    #[serde(skip_serializing_if = "::prost::alloc::vec::Vec::is_empty", with = "serde_bytes")]
     pub last_block_app_hash: ::prost::alloc::vec::Vec<u8>,
 }
 /// nondeterministic

diff --git a/proto/src/tendermint.rs b/proto/src/tendermint.rs
@@ -53,7 +53,6 @@ pub mod p2p {
 }
 
 pub mod abci {
-    use crate::prelude::*;
     include!("prost/tendermint.abci.rs");
 }
 

diff --git a/tools/proto-compiler/src/constants.rs b/tools/proto-compiler/src/constants.rs
@@ -21,7 +21,7 @@ const BASE64STRING: &str = r#"#[serde(with = "crate::serializers::bytes::base64s
 const VEC_BASE64STRING: &str = r#"#[serde(with = "crate::serializers::bytes::vec_base64string")]"#;
 const OPTIONAL: &str = r#"#[serde(with = "crate::serializers::optional")]"#;
 const VEC_SKIP_IF_EMPTY: &str =
-    r#"#[serde(skip_serializing_if = "Vec::is_empty", with = "serde_bytes")]"#;
+    r#"#[serde(skip_serializing_if = "::prost::alloc::vec::Vec::is_empty", with = "serde_bytes")]"#;
 const NULLABLEVECARRAY: &str = r#"#[serde(with = "crate::serializers::txs")]"#;
 const NULLABLE: &str = r#"#[serde(with = "crate::serializers::nullable")]"#;
 const ALIAS_POWER_QUOTED: &str =