add example

Author: rfrerebe-stx

Cargo.toml

@@ -15,6 +15,7 @@ description = "Ganymede.cloud rust client."
 tonic = { version = "0.7", features = ["tls", "prost"] }
 prost = "0.10"
 prost-types = "0.10"
+tokio = { version = "1.0", features = ["macros", "rt-multi-thread", "fs"] }
 
 [build-dependencies]
 walkdir = "2"

README.md

@@ -1,5 +1,13 @@
+# Package systemathics-apis on crates.io
+
 [![crates.io](https://img.shields.io/crates/v/systemathics-apis.svg)](https://crates.io/crates/systemathics-apis)
 
 ```
 cargo build
+```
+
+# Example
+
+```
+cargo run --example static-data-client TOKEN_FROM_GANYMEDE_CLOUD
 ```

examples/ganymede-cloud.pem

@@ -0,0 +1,31 @@
+-----BEGIN CERTIFICATE-----
+MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw
+TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh
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+emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc=
+-----END CERTIFICATE-----

examples/static-data-client.rs

@@ -0,0 +1,54 @@
+use std::env;
+use systemathics_apis::systemathics::apis::services::static_data::v1::static_data_service_client::StaticDataServiceClient;
+use systemathics_apis::systemathics::apis::services::static_data::v1::AssetType::Equity;
+use systemathics_apis::systemathics::apis::services::static_data::v1::StaticDataRequest;
+use tonic::transport::Certificate;
+use tonic::transport::ClientTlsConfig;
+
+use tonic::{metadata::MetadataValue, transport::Channel, Request};
+
+#[tokio::main]
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let pem = tokio::fs::read("examples/ganymede-cloud.pem").await?;
+    let ca = Certificate::from_pem(pem);
+
+    let tls = ClientTlsConfig::new()
+        .ca_certificate(ca)
+        .domain_name("grpc.ganymede.cloud");
+
+    let channel = Channel::from_static("https://grpc.ganymede.cloud")
+        .tls_config(tls)?
+        .connect()
+        .await?;
+    let args: Vec<String> = env::args().collect();
+    let mut bearer = String::from("Bearer ");
+    bearer.push_str(&args[1].to_owned());
+    let token: MetadataValue<_> = bearer.parse()?;
+    let mut client =
+        StaticDataServiceClient::with_interceptor(channel, move |mut req: Request<()>| {
+            req.metadata_mut().insert("authorization", token.clone());
+            Ok(req)
+        });
+
+    let request = tonic::Request::new(StaticDataRequest {
+        name: String::from("Apple").into(),
+        asset_type: Equity.into(),
+        code: None,
+        count: None,
+        equity_sector: None,
+        crypto_base_currency: None,
+        crypto_quote_currency: None,
+        exchange: None,
+        future_category: None,
+        future_contract: None,
+        index: None,
+        start: None,
+        ticker: None,
+    });
+
+    let response = client.static_data(request).await?;
+
+    println!("RESPONSE={:?}", response);
+
+    Ok(())
+}