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e50ea55064d891ce8c9239de7a533a420f42713e
foxhunt/services/api/build.rs
jgrusewski e50ea55064 feat: create services/api/ — unified gRPC gateway with tonic-web 
Copied from api_gateway, removed REST handlers (port 8080),
added tonic-web + CORS for grpc-web browser access.
Binary renamed: api-gateway → api

Changes:
- Package name: api-gateway → api
- Deleted src/handlers/ (REST ML endpoints on port 8080)
- Added tonic-web 0.13 + tower-http CORS layer
- Server::builder().accept_http1(true) for grpc-web
- CORS_ORIGINS env var (default http://localhost:5173)
- Metrics server on port 9091 (axum) preserved
- All 95 lib tests pass, 0 clippy warnings
- Added services/api to workspace members

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-04 23:32:46 +01:00

195 lines
8.4 KiB
Rust
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//! Build script for API Gateway service
//!
//! Compiles protobuf definitions from the canonical proto/ directory at workspace root.
//! Proto packages:
//! - `foxhunt.tli` (fxt_trading.proto) - Fat-client unified interface (server+client)
//! - `trading` (trading.proto) - Backend trading service (client-only)
//! - `risk` (risk.proto) - Risk service (client-only)
//! - `monitoring` (monitoring.proto) - Monitoring service (server+client)
//! - `config` (config.proto) - Config service (server+client)
//! - `ml_training` (ml_training.proto) - ML Training service (server+client)
//! - `trading_agent` (trading_agent.proto) - Trading Agent service (server+client)
fn main() -> Result<(), Box<dyn std::error::Error>> {
// NOTE: Tonic 0.14+ uses tonic_prost_build instead of tonic_build
let config = tonic_prost_build::configure();
let out_dir = std::path::PathBuf::from(std::env::var("OUT_DIR")?);
// Compile fat-client TLI proto (package: foxhunt.tli) — server+client
// Contains TradingService, BacktestingService, and MLService
// API Gateway acts as server for incoming client requests
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("tli_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/fxt_trading.proto"],
&["../../proto"],
)?;
// Compile Trading Service backend proto (package: trading) — server+client
// API Gateway serves trading.TradingService and forwards to Trading Service backend
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("trading_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/trading.proto"],
&["../../proto"],
)?;
// Compile Risk Service proto (package: risk) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("risk_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/risk.proto"],
&["../../proto"],
)?;
// Compile Monitoring Service proto (package: monitoring) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("monitoring_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/monitoring.proto"],
&["../../proto"],
)?;
// Compile Config backend proto (package: config) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("config_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/config.proto"],
&["../../proto"],
)?;
// Compile ML Training Service proto (package: ml_training) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("ml_training_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/ml_training.proto"],
&["../../proto"],
)?;
// Compile Trading Agent Service proto (package: trading_agent) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("trading_agent_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/trading_agent.proto"],
&["../../proto"],
)?;
// Compile Broker Gateway Service proto (package: broker_gateway) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("broker_gateway_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/broker_gateway.proto"],
&["../../proto"],
)?;
// Compile Data Acquisition Service proto (package: data_acquisition) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("data_acquisition_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/data_acquisition.proto"],
&["../../proto"],
)?;
// Compile ML Inference Service proto (package: ml) — server+client
config
.clone()
.build_server(true)
.build_client(true)
.file_descriptor_set_path(out_dir.join("ml_descriptor.bin"))
.compile_well_known_types(true)
.extern_path(".google.protobuf", "::prost_types")
.type_attribute(".", "#[derive(serde::Serialize, serde::Deserialize)]")
.server_mod_attribute(".", "#[allow(unused_qualifications)]")
.client_mod_attribute(".", "#[allow(unused_qualifications)]")
.compile_protos(
&["../../proto/ml.proto"],
&["../../proto"],
)?;
println!("cargo:rerun-if-changed=../../proto/fxt_trading.proto");
println!("cargo:rerun-if-changed=../../proto/trading.proto");
println!("cargo:rerun-if-changed=../../proto/risk.proto");
println!("cargo:rerun-if-changed=../../proto/monitoring.proto");
println!("cargo:rerun-if-changed=../../proto/config.proto");
println!("cargo:rerun-if-changed=../../proto/ml_training.proto");
println!("cargo:rerun-if-changed=../../proto/trading_agent.proto");
println!("cargo:rerun-if-changed=../../proto/broker_gateway.proto");
println!("cargo:rerun-if-changed=../../proto/data_acquisition.proto");
println!("cargo:rerun-if-changed=../../proto/ml.proto");
Ok(())
}
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