chore(chain): migrate to sentrix-proto crate (drop local proto/build.rs)

.gitignore

@@ -38,3 +38,5 @@ Cargo.lock.bak*
 # OS
 .DS_Store
 Thumbs.db
+compose.env
+docker-compose.override.yml

crates/chain/Cargo.toml

@@ -6,7 +6,6 @@ rust-version.workspace = true
 license.workspace = true
 repository.workspace = true
 authors.workspace = true
-build = "build.rs"
 
 [dependencies]
 indexer-domain = { path = "../domain", version = "0.2.4" }
@@ -17,10 +16,13 @@ alloy-provider.workspace = true
 alloy-rpc-types.workspace = true
 alloy-transport-http.workspace = true
 
-# tonic: gRPC client (generated from proto).
+# tonic: gRPC transport (generated types live in sentrix-proto).
 tonic.workspace = true
-tonic-prost.workspace = true
-prost.workspace = true
+
+# Single source of truth for the sentrix.v1 schema. Replaces the local
+# proto/ + build.rs codegen we used to ship inside this crate; bumps to
+# the schema now flow through `cargo update -p sentrix-proto`.
+sentrix-proto = "0.1.1"
 
 # REST client for native `/tx/<hash>` fetch.
 reqwest = { workspace = true }
@@ -37,10 +39,5 @@ futures.workspace = true
 tracing.workspace = true
 thiserror.workspace = true
 
-[build-dependencies]
-tonic-build.workspace = true
-tonic-prost-build.workspace = true
-prost-build.workspace = true
-
 [dev-dependencies]
 tokio = { workspace = true, features = ["macros", "rt", "test-util"] }

crates/chain/src/lib.rs

@@ -18,12 +18,10 @@ pub mod provider;
 pub mod rest;
 pub mod retry;
 
-/// Generated tonic / prost types for `sentrix.v1.*`. The build script writes
-/// `sentrix.v1.rs` into `OUT_DIR`; this module simply includes it.
-#[allow(missing_docs, clippy::all)]
-pub mod pb {
-    tonic::include_proto!("sentrix.v1");
-}
+/// Re-export of the canonical `sentrix.v1` protobuf types from the
+/// `sentrix-proto` crate (single source of truth, published on crates.io).
+/// Existing `crate::pb::Foo` call sites keep working unchanged.
+pub use sentrix_proto as pb;
 
 pub use error::{ChainError, ChainResult};
 pub use grpc::GrpcClient;