[Fortuna] register fortuna uri on chain

fortuna/src/api/revelation.rs

@@ -29,6 +29,10 @@ use {
 ///
 /// Every blockchain supported by this service has a distinct sequence of random numbers and chain_id.
 /// Callers must pass the appropriate chain_id to ensure they fetch the correct random number.
+///
+/// We are registering the provider on chain with the following url:
+/// `base_uri/v1/chains/{chain_id}/revelations/`
+/// See the method `get_register_uri` below. These MUST stay consistent.
 #[utoipa::path(
 get,
 path = "/v1/chains/{chain_id}/revelations/{sequence}",
@@ -154,3 +158,8 @@ impl Blob {
         }
     }
 }
+
+/// It expects base_uri to not end with /
+pub fn get_register_uri(base_uri: &str, chain_id: &str) -> String {
+    format!("{0}/v1/chains/{1}/revelations", base_uri, chain_id)
+}

fortuna/src/command/setup_provider.rs

@@ -1,5 +1,6 @@
 use {
     crate::{
+        api::get_register_uri,
         chain::ethereum::SignablePythContract,
         command::{
             register_provider,
@@ -44,6 +45,8 @@ pub async fn setup_provider(opts: &SetupProviderOptions) -> Result<()> {
 
         let mut register = false;
 
+        let uri = get_register_uri(&opts.base_uri, &chain_id);
+
         // This condition satisfies for both when there is no registration and when there are no
         // more random numbers left to request
         if provider_info.end_sequence_number <= provider_info.sequence_number {
@@ -85,12 +88,12 @@ pub async fn setup_provider(opts: &SetupProviderOptions) -> Result<()> {
 
         if register {
             register_provider(&RegisterProviderOptions {
-                config:      opts.config.clone(),
-                chain_id:    chain_id.clone(),
+                config: opts.config.clone(),
+                chain_id: chain_id.clone(),
                 private_key: private_key.clone(),
-                randomness:  opts.randomness.clone(),
-                fee:         opts.fee,
-                uri:         opts.uri.clone(),
+                randomness: opts.randomness.clone(),
+                fee: opts.fee,
+                uri,
             })
             .await?;
         } else {
@@ -100,9 +103,9 @@ pub async fn setup_provider(opts: &SetupProviderOptions) -> Result<()> {
                 }
             }
 
-            if bincode::deserialize::<String>(&provider_info.uri)? != opts.uri {
+            if bincode::deserialize::<String>(&provider_info.uri)? != uri {
                 if let Some(receipt) = contract
-                    .set_provider_uri(bincode::serialize(&opts.uri)?.into())
+                    .set_provider_uri(bincode::serialize(&uri)?.into())
                     .send()
                     .await?
                     .log_msg("Pending transfer hash")

fortuna/src/config/setup_provider.rs

@@ -29,11 +29,10 @@ pub struct SetupProviderOptions {
     #[arg(default_value = "100")]
     pub fee: u128,
 
-    /// The URI where clients can retrieve random values from this provider,
-    /// i.e., wherever fortuna for this provider will be hosted.
+    /// The base URI for fortuna without ending slashes.
+    /// e.g., https://fortuna-staging.pyth.network
     #[arg(long = "uri")]
-    #[arg(default_value = "")]
-    pub uri: String,
+    pub base_uri: String,
 }
 
 impl SetupProviderOptions {