feat: remove Thales era support

Author: jpraynaud

mithril-aggregator/src/dependency_injection/builder.rs

@@ -1176,7 +1176,6 @@ impl DependenciesBuilder {
             &self.configuration.db_directory,
             self.root_logger(),
         ));
-        let era_checker = self.get_era_checker().await?;
         let signable_builders_dependencies = SignableBuilderServiceDependencies::new(
             mithril_stake_distribution_builder,
             immutable_signable_builder,
@@ -1185,7 +1184,6 @@ impl DependenciesBuilder {
             cardano_database_signable_builder,
         );
         let signable_builder_service = Arc::new(MithrilSignableBuilderService::new(
-            era_checker,
             seed_signable_builder,
             signable_builders_dependencies,
             self.root_logger(),

mithril-aggregator/src/services/epoch_service.rs

@@ -1056,7 +1056,7 @@ mod tests {
             },
             allowed_discriminants: SignedEntityConfig::dummy().allowed_discriminants,
             cardano_era: "CardanoEra".to_string(),
-            mithril_era: SupportedEra::eras()[1],
+            mithril_era: SupportedEra::eras()[0],
             total_spo: 10,
             total_stake: 20_000_000,
             ..EpochServiceBuilder::new(epoch, current_epoch_fixture.clone())
@@ -1077,7 +1077,7 @@ mod tests {
             data.clone(),
             ExpectedEpochData {
                 cardano_era: "CardanoEra".to_string(),
-                mithril_era: SupportedEra::eras()[1],
+                mithril_era: SupportedEra::eras()[0],
                 epoch,
                 protocol_parameters: current_epoch_fixture.protocol_parameters(),
                 next_protocol_parameters: next_epoch_fixture.protocol_parameters(),

mithril-common/src/era/supported_era.rs

@@ -8,9 +8,6 @@ use strum::{Display, EnumIter, EnumString, IntoEnumIterator};
 #[serde(rename_all = "lowercase")]
 #[strum(serialize_all = "lowercase")]
 pub enum SupportedEra {
-    /// Thales era
-    Thales,
-
     /// Pythagoras era
     Pythagoras,
 }