mock-consensus: 🌱 single genesis validator (work-in-progress)

crates/core/app/tests/common/mod.rs

@@ -94,6 +94,14 @@ impl BuilderExt for penumbra_mock_consensus::builder::Builder {
         // - read out list of abci/comet validators from the builder,
         // - define a penumbra validator for each one
         // - inject that into the penumbra app state
+        let app_state: AppState = {
+            let mut content = match app_state {
+                AppState::Content(content) => content,
+                AppState::Checkpoint(_) => anyhow::bail!("checkpoint app state isn't supported"),
+            };
+            content.stake_content.validators = self.validators.clone();
+            AppState::Content(content)
+        };
         // - serialize to json and then call `with_app_state_bytes`
         let app_state = serde_json::to_vec(&app_state)?;
         Ok(self.app_state(app_state))

crates/test/mock-consensus/Cargo.toml

@@ -10,6 +10,7 @@ license.workspace = true
 [dependencies]
 anyhow = { workspace = true }
 bytes = { workspace = true }
+penumbra-proto = { workspace = true }
 serde_json = { workspace = true }
 tap = { workspace = true }
 tendermint = { workspace = true }

crates/test/mock-consensus/src/builder.rs

@@ -5,12 +5,13 @@
 /// Most importantly, defines [`Builder::init_chain()`].
 mod init_chain;
 
-use {crate::TestNode, bytes::Bytes};
+use {crate::TestNode, bytes::Bytes, penumbra_proto::penumbra::core::component::stake::v1 as pb};
 
 /// A buider, used to prepare and instantiate a new [`TestNode`].
 #[derive(Default)]
 pub struct Builder {
-    app_state: Option<Bytes>,
+    pub app_state: Option<Bytes>,
+    pub validators: Vec<pb::Validator>,
 }
 
 impl TestNode<()> {
@@ -21,12 +22,23 @@ impl TestNode<()> {
 }
 
 impl Builder {
-    // TODO: add other convenience methods for validator config?
-
     /// Creates a single validator with a randomly generated key.
     pub fn single_validator(self) -> Self {
-        // this does not do anything yet
-        self
+        let validator = pb::Validator {
+            identity_key: Option::default(),
+            consensus_key: Vec::default(),
+            name: String::default(),
+            website: String::default(),
+            description: String::default(),
+            enabled: true,
+            funding_streams: Vec::default(),
+            sequence_number: 0,
+            governance_key: Option::default(),
+        };
+        Self {
+            validators: vec![validator],
+            ..self
+        }
     }
 
     /// Sets the `app_state_bytes` to send the ABCI application upon chain initialization.

crates/test/mock-consensus/src/builder/init_chain.rs

@@ -32,6 +32,7 @@ impl Builder {
 
         let Self {
             app_state: Some(app_state),
+            validators: _,
         } = self
         else {
             bail!("builder was not fully initialized")