feat: fan-out-proxy work in progress (WIP)

.yamlfmt.yml

@@ -1,9 +1,10 @@
 exclude:
+  - "crates/fan-out-proxy/fan_out_config_example.yaml" # autogenerated file
   - "crates/walrus-sdk/client_config_example.yaml" # autogenerated file
-  - "crates/walrus-service/storage_openapi.yaml" # autogenerated file
-  - "crates/walrus-service/daemon_openapi.yaml" # autogenerated file
   - "crates/walrus-service/aggregator_openapi.yaml" # autogenerated file
+  - "crates/walrus-service/daemon_openapi.yaml" # autogenerated file
   - "crates/walrus-service/publisher_openapi.yaml" # autogenerated file
+  - "crates/walrus-service/storage_openapi.yaml" # autogenerated file
 formatter:
   type: basic
   retain_line_breaks_single: true

Cargo.toml

@@ -1,6 +1,7 @@
 [workspace]
 default-members = [
   "crates/checkpoint-downloader",
+  "crates/fan-out-proxy",
   "crates/typed-store",
   "crates/walrus-core",
   "crates/walrus-e2e-tests",
@@ -100,6 +101,7 @@ scoped-futures = "0.1.4"
 serde = { version = "1.0.219", features = ["derive"] }
 serde_json = "1.0.140"
 serde_test = "1.0.177"
+serde_urlencoded = { version = "0.7.1" }
 serde_with = { version = "3.12", features = ["base64"] }
 serde_yaml = "0.9"
 sha2 = "0.10.9"

crates/fan-out-proxy/.gitignore

@@ -0,0 +1 @@
+/target

crates/fan-out-proxy/Cargo.toml

@@ -0,0 +1,49 @@
+[package]
+name = "fan-out-proxy"
+publish = false
+authors.workspace = true
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[dependencies]
+anyhow.workspace = true
+axum.workspace = true
+axum-server.workspace = true
+base64.workspace = true
+bcs.workspace = true
+clap.workspace = true
+clap_complete.workspace = true
+fastcrypto.workspace = true
+futures.workspace = true
+git-version.workspace = true
+mysten-metrics.workspace = true
+prometheus.workspace = true
+rand.workspace = true
+reqwest.workspace = true
+serde.workspace = true
+serde_json.workspace = true
+serde_urlencoded.workspace = true
+serde_with = { workspace = true, features = ["hex"] }
+serde_yaml.workspace = true
+sui-sdk.workspace = true
+# TODO: expose sui-types via walrus_sdk.
+sui-types.workspace = true
+telemetry-subscribers.workspace = true
+thiserror.workspace = true
+tokio.workspace = true
+tower-http.workspace = true
+tracing.workspace = true
+tracing-subscriber.workspace = true
+utoipa.workspace = true
+utoipa-redoc.workspace = true
+# walrus-core.workspace = true
+# walrus-proc-macros.workspace = true
+walrus-sdk.workspace = true
+walrus-test-utils.workspace = true
+# walrus-storage-node-client.workspace = true
+# walrus-sui.workspace = true
+
+[features]
+default = ["test-client"] # TODO: Remove this eventually.
+test-client = []

crates/fan-out-proxy/fan_out_config_example.yaml

@@ -0,0 +1,9 @@
+tip_config: !send_tip
+  address: 0x2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a
+  kind: !const 42
+tx_freshness_threshold:
+  secs: 36000
+  nanos: 0
+tx_max_future_threshold:
+  secs: 30
+  nanos: 0