feature: add an indexer service framework

common/Cargo.toml

@@ -34,6 +34,11 @@ toolshed = { git = "https://github.com/edgeandnode/toolshed", branch = "main", f
 ] }
 graphql = { git = "https://github.com/edgeandnode/toolshed", branch = "main" }
 tap_core = "0.6.0"
+axum = { version = "0.6.20", default_features = true, features = ["headers"] }
+thiserror = "1.0.49"
+async-trait = "0.1.74"
+headers-derive = "0.1.1"
+headers = "0.3.9"
 
 [dev-dependencies]
 env_logger = "0.9.0"

common/src/indexer_service/http/config.rs

@@ -0,0 +1,49 @@
+use std::net::SocketAddr;
+
+use alloy_primitives::Address;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct DatabaseConfig {
+    pub postgres_url: String,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct NetworkSubgraphConfig {
+    pub query_url: String,
+    pub syncing_interval: u64,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct EscrowSubgraphConfig {
+    pub query_url: String,
+    pub syncing_interval: u64,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct ServerConfig {
+    pub host_and_port: SocketAddr,
+    pub url_prefix: String,
+    pub free_query_auth_token: Option<String>,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct IndexerServiceConfig {
+    pub indexer: IndexerConfig,
+    pub server: ServerConfig,
+    pub database: DatabaseConfig,
+    pub network_subgraph: NetworkSubgraphConfig,
+    pub escrow_subgraph: EscrowSubgraphConfig,
+    pub graph_network: GraphNetworkConfig,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct GraphNetworkConfig {
+    pub id: u64,
+}
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct IndexerConfig {
+    pub indexer_address: Address,
+    pub operator_mnemonic: String,
+}