feat: ssz infrastructure

Cargo.toml

@@ -133,6 +133,7 @@ serde = { version = "1.0.208", features = ["derive"] }
 serde_json = "1.0.140"
 serde_yaml = "0.9"
 sha2 = "0.10.8"
+ssz_types = "0.11.0"
 strum = { version = "0.27.0", features = ["derive"] }
 thiserror = "2.0.11"
 tokio = { version = "1.39.2", features = [
@@ -149,6 +150,7 @@ tracing-appender = "0.2"
 tracing-subscriber = { version = "0.3.18", features = ["fmt", "env-filter"] }
 tree_hash = "0.10"
 tree_hash_derive = "0.10"
+typenum = "1.18"
 vsss-rs = "5.1.0"
 zeroize = "1.8.1"
 

anchor/common/qbft/Cargo.toml

@@ -17,6 +17,7 @@ indexmap = { workspace = true }
 sha2 = { workspace = true }
 ssv_types = { workspace = true }
 tracing = { workspace = true }
+typenum = { workspace = true }
 types = { workspace = true }
 
 [dev-dependencies]

anchor/common/qbft/src/error.rs

@@ -1,3 +1,5 @@
+use ssv_types::message::SignedSSVMessageError;
+
 /// Error associated with Config building.
 #[derive(Debug, Clone)]
 pub enum ConfigBuilderError {
@@ -86,15 +88,24 @@ pub enum QbftError {
     RoundChangeJustificationNotInCommittee,
     RoundChangeJustificationNoPrepareQuorum,
     RoundChangeJustificationMultiSigner,
+    RoundChangeJustificationTooBig { provided: usize, max: usize },
+    RoundChangeJustificationListTooBig { provided: usize, max: usize },
     PrepareJustificationWrongRound,
     PrepareJustificationMultiSigner,
     PrepareJustificationWrongHeight,
     PrepareJustificationNoQuorum,
     PrepareJustificationDecodeFailed,
     PrepareJustificationNotPrepare,
     PrepareJustificationRootMismatch,
+    PrepareJustificationTooBig { provided: usize, max: usize },
+    PrepareJustificationListTooBig { provided: usize, max: usize },
 
     // Misc
-    FailedToAggregate,
+    MissingLastPreparedValue,
+    FailedToAggregate(SignedSSVMessageError),
+    SignedSSVMessageError(SignedSSVMessageError),
     InvalidState,
+    MissingData,
+    CommitQuorumMismatch,
+    MissingCommit,
 }