From 74aaec5288857bdffacfd48f3b4a29cae1658b9c Mon Sep 17 00:00:00 2001
From: Luc <luc@lucemans.nl>
Date: Wed, 5 Jul 2023 02:25:47 +0000
Subject: [PATCH] Introduce CORS Headers

---
 Cargo.lock  | 49 +++++++++++++++++++++++++++++++++++++++++--------
 Cargo.toml  |  9 +++++++--
 src/http.rs |  2 ++
 3 files changed, 50 insertions(+), 10 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 2bd9f0a..9ca1ac2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -133,7 +133,7 @@ checksum = "f8175979259124331c1d7bf6586ee7e0da434155e4b2d48ec2c8386281d8df39"
 dependencies = [
  "async-trait",
  "axum-core",
- "bitflags",
+ "bitflags 1.3.2",
  "bytes",
  "futures-util",
  "http",
@@ -234,6 +234,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "bitflags"
+version = "2.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "630be753d4e58660abd17930c71b647fe46c27ea6b63cc59e1e3851406972e42"
+
 [[package]]
 name = "bitvec"
 version = "0.17.4"
@@ -789,6 +795,7 @@ dependencies = [
  "serde",
  "serde_json",
  "tokio",
+ "tower-http",
  "tracing",
  "utoipa",
  "utoipa-swagger-ui",
@@ -915,13 +922,14 @@ dependencies = [
 
 [[package]]
 name = "ethers-ccip-read"
-version = "0.1.0"
-source = "git+https://github.com/lucemans/ethers-ccip-read?branch=main#64ff7552384e1742cc62958c46c7384bed5ae938"
+version = "0.1.1"
+source = "git+https://github.com/ensdomains/ethers-ccip-read?branch=main#5669e42e13bca733d34bbcfb7896a68af5ca79a2"
 dependencies = [
  "async-recursion",
  "async-trait",
  "ethers-core",
  "ethers-providers",
+ "futures-util",
  "reqwest",
  "serde_json",
  "thiserror",
@@ -1528,6 +1536,12 @@ dependencies = [
  "pin-project-lite",
 ]
 
+[[package]]
+name = "http-range-header"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0bfe8eed0a9285ef776bb792479ea3834e8b94e13d615c2f66d03dd50a435a29"
+
 [[package]]
 name = "httparse"
 version = "1.8.0"
@@ -2033,7 +2047,7 @@ version = "0.10.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "01b8574602df80f7b85fdfc5392fa884a4e3b3f4f35402c070ab34c3d3f78d56"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "cfg-if",
  "foreign-types",
  "libc",
@@ -2464,7 +2478,7 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -2473,7 +2487,7 @@ version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "567664f262709473930a4bf9e51bf2ebf3348f2e748ccc50dea20646858f8f29"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
 ]
 
 [[package]]
@@ -2664,7 +2678,7 @@ version = "0.37.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acf8729d8542766f1b2cf77eb034d52f40d375bb8b615d0b147089946e16613d"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "errno",
  "io-lifetimes",
  "libc",
@@ -2826,7 +2840,7 @@ version = "2.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fc758eb7bffce5b308734e9b0c1468893cae9ff70ebf13e7090be8dcbcc83a8"
 dependencies = [
- "bitflags",
+ "bitflags 1.3.2",
  "core-foundation",
  "core-foundation-sys",
  "libc",
@@ -3402,6 +3416,25 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tower-http"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8bd22a874a2d0b70452d5597b12c537331d49060824a95f49f108994f94aa4c"
+dependencies = [
+ "bitflags 2.3.3",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "http",
+ "http-body",
+ "http-range-header",
+ "pin-project-lite",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
 [[package]]
 name = "tower-layer"
 version = "0.3.2"
diff --git a/Cargo.toml b/Cargo.toml
index 1eec1f8..1784d41 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,10 @@ license = "GPL-3.0"
 homepage = "enstate.rs"
 description = "enstate"
 repository = "https://github.com/v3xlabs/enstate"
-authors = ["Luc van Kampen <luc@v3x.email>", "Miguel Piedrafita <sup@miguel.build>"]
+authors = [
+    "Luc van Kampen <luc@v3x.email>",
+    "Miguel Piedrafita <sup@miguel.build>",
+]
 
 [dependencies]
 ethers = "2"
@@ -20,7 +23,9 @@ tokio = { version = "1.28.0", features = ["full"] }
 utoipa = { version = "3.0.3", features = ["axum_extras"] }
 utoipa-swagger-ui = { version = "3.0.2", features = ["axum"] }
 redis = { version = "0.23.0", features = ["connection-manager", "tokio-comp"] }
-ethers-ccip-read = { git = "https://github.com/lucemans/ethers-ccip-read", branch = "main" }
+ethers-ccip-read = { git = "https://github.com/ensdomains/ethers-ccip-read", branch = "main" }
+tower-http = { version = "0.4.1", features = ["cors", "tracing"] }
+
 
 [build-dependencies]
 chrono = "0.4.24"
diff --git a/src/http.rs b/src/http.rs
index 8080a39..740c772 100644
--- a/src/http.rs
+++ b/src/http.rs
@@ -3,6 +3,7 @@ use axum::{routing::get, Router};
 use std::net::SocketAddr;
 use utoipa::OpenApi;
 use utoipa_swagger_ui::SwaggerUi;
+use tower_http::cors::CorsLayer;
 
 use crate::routes;
 
@@ -33,6 +34,7 @@ impl App {
 
 pub fn setup(state: AppState) -> App {
     let router = Router::new()
+        .layer(CorsLayer::permissive())
         .merge(SwaggerUi::new("/docs").url("/docs/openapi.json", ApiDoc::openapi()))
         .route("/", get(routes::root::get))
         .route("/a/:address", get(routes::address::get))