Adds full_activation_list() method and uses it in `getblockchaininf…

…o` (ZcashFoundation#8699)

zebra-chain/src/parameters/network/tests/vectors.rs

@@ -270,3 +270,28 @@ fn check_network_name() {
         "network must be displayed as configured network name"
     );
 }
+
+#[test]
+fn check_full_activation_list() {
+    let network = testnet::Parameters::build()
+        .with_activation_heights(ConfiguredActivationHeights {
+            nu5: Some(1),
+            ..Default::default()
+        })
+        .to_network();
+
+    // We expect the first 8 network upgrades to be included, up to NU5
+    let expected_network_upgrades = &NETWORK_UPGRADES_IN_ORDER[..8];
+    let full_activation_list_network_upgrades: Vec<_> = network
+        .full_activation_list()
+        .into_iter()
+        .map(|(_, nu)| nu)
+        .collect();
+
+    for expected_network_upgrade in expected_network_upgrades {
+        assert!(
+            full_activation_list_network_upgrades.contains(expected_network_upgrade),
+            "full activation list should contain expected network upgrade"
+        );
+    }
+}

zebra-chain/src/parameters/network_upgrade.rs

@@ -258,6 +258,9 @@ impl Network {
     /// When the environment variable TEST_FAKE_ACTIVATION_HEIGHTS is set
     /// and it's a test build, this returns a list of fake activation heights
     /// used by some tests.
+    ///
+    /// Note: This skips implicit network upgrade activations, use [`Network::full_activation_list`]
+    ///       to get an explicit list of all network upgrade activations.
     pub fn activation_list(&self) -> BTreeMap<block::Height, NetworkUpgrade> {
         match self {
             // To prevent accidentally setting this somehow, only check the env var
@@ -283,6 +286,15 @@ impl Network {
             Testnet(params) => params.activation_heights().clone(),
         }
     }
+
+    /// Returns a vector of all implicit and explicit network upgrades for `network`,
+    /// in ascending height order.
+    pub fn full_activation_list(&self) -> Vec<(block::Height, NetworkUpgrade)> {
+        NETWORK_UPGRADES_IN_ORDER
+            .into_iter()
+            .map_while(|nu| Some((NetworkUpgrade::activation_height(&nu, self)?, nu)))
+            .collect()
+    }
 }
 
 impl NetworkUpgrade {

zebra-rpc/src/methods.rs

@@ -541,7 +541,7 @@ where
         //
         // Get the network upgrades in height order, like `zcashd`.
         let mut upgrades = IndexMap::new();
-        for (activation_height, network_upgrade) in network.activation_list() {
+        for (activation_height, network_upgrade) in network.full_activation_list() {
             // Zebra defines network upgrades based on incompatible consensus rule changes,
             // but zcashd defines them based on ZIPs.
             //