Add 'allow_uncertified_signer_registration' feature to 'mithril-end-to-end'

If activated, it auhorizes the now deprecated signer registration without certification.
This feature will be removed soon when this deprecated registration is decommissioned.

Author: jpraynaud

mithril-test-lab/mithril-end-to-end/Cargo.toml

@@ -27,4 +27,6 @@ tokio = { version = "1.17.0", features = ["full"] }
 tokio-util = { version = "0.7.1", features = ["codec"] }
 
 [features]
+default = ["allow_uncertified_signer_registration"]
 portable = ["mithril-common/portable"]
+allow_uncertified_signer_registration = []

mithril-test-lab/mithril-end-to-end/src/mithril/infrastructure.rs

@@ -39,9 +39,11 @@ impl MithrilInfrastructure {
 
         let mut signers: Vec<Signer> = vec![];
         for (index, pool_node) in devnet_topology.pool_nodes.iter().enumerate() {
-            // 50% of signers with key certification
-            // TODO: Should be removed 100% once the signer certification is fully deployed
-            let enable_certification = index % 2 == 0;
+            // 50% of signers with key certification if allow unverified signer registration
+            // Or 100% of signers otherwise
+            // TODO: Should be removed once the signer certification is fully deployed
+            let enable_certification =
+                index % 2 == 0 || cfg!(not(feature = "allow_uncertified_signer_registration"));
             let mut signer = Signer::new(
                 aggregator.endpoint(),
                 pool_node,