feat: gate block-info behavior on chain_id (leave inactive in primary testnet)

Author: kantai

clarity/src/vm/functions/database.rs

@@ -16,6 +16,7 @@
 
 use std::cmp;
 
+use stacks_common::consts::CHAIN_ID_TESTNET;
 use stacks_common::types::chainstate::StacksBlockId;
 use stacks_common::types::StacksEpochId;
 
@@ -769,22 +770,27 @@ pub fn special_get_block_info(
         _ => return Ok(Value::none()),
     };
 
-    let height_value = if env.contract_context.get_clarity_version() < &ClarityVersion::Clarity3 {
-        if env.global_context.epoch_id < StacksEpochId::Epoch30 {
-            height_value
-        } else {
-            // interpretting height_value as a tenure height
-            let height_opt = env
-                .global_context
-                .database
-                .get_block_height_for_tenure_height(height_value)?;
-            match height_opt {
-                Some(x) => x,
-                None => return Ok(Value::none()),
-            }
-        }
-    } else {
+    // interpret height as a tenure height IFF
+    // * clarity version is less than Clarity3
+    // * the evaluated epoch is geq 3.0
+    // * we are not on (classic) primary testnet
+    let interpret_height_as_tenure_height = env.contract_context.get_clarity_version()
+        < &ClarityVersion::Clarity3
+        && env.global_context.epoch_id >= StacksEpochId::Epoch30
+        && env.global_context.chain_id != CHAIN_ID_TESTNET;
+
+    let height_value = if !interpret_height_as_tenure_height {
         height_value
+    } else {
+        // interpretting height_value as a tenure height
+        let height_opt = env
+            .global_context
+            .database
+            .get_block_height_for_tenure_height(height_value)?;
+        match height_opt {
+            Some(x) => x,
+            None => return Ok(Value::none()),
+        }
     };
 
     let current_block_height = env.global_context.database.get_current_block_height();

testnet/stacks-node/src/tests/nakamoto_integrations.rs

@@ -7374,6 +7374,7 @@ fn check_block_times() {
     let (mut naka_conf, _miner_account) = naka_neon_integration_conf(None);
     let http_origin = format!("http://{}", &naka_conf.node.rpc_bind);
     naka_conf.miner.wait_on_interim_blocks = Duration::from_secs(1);
+    naka_conf.burnchain.chain_id = CHAIN_ID_TESTNET + 1;
     let sender_sk = Secp256k1PrivateKey::new();
     let sender_signer_sk = Secp256k1PrivateKey::new();
     let sender_signer_addr = tests::to_addr(&sender_signer_sk);
@@ -7771,6 +7772,8 @@ fn check_block_info() {
 
     let mut signers = TestSigners::default();
     let (mut naka_conf, _miner_account) = naka_neon_integration_conf(None);
+    // change the chain id so that it isn't the same as primary testnet
+    naka_conf.burnchain.chain_id = CHAIN_ID_TESTNET + 1;
     let http_origin = format!("http://{}", &naka_conf.node.rpc_bind);
     naka_conf.miner.wait_on_interim_blocks = Duration::from_secs(1);
     let sender_sk = Secp256k1PrivateKey::new();
@@ -8362,6 +8365,7 @@ fn check_block_info_rewards() {
     let (mut naka_conf, _miner_account) = naka_neon_integration_conf(None);
     let http_origin = format!("http://{}", &naka_conf.node.rpc_bind);
     naka_conf.miner.wait_on_interim_blocks = Duration::from_secs(1);
+    naka_conf.burnchain.chain_id = CHAIN_ID_TESTNET + 1;
     let sender_sk = Secp256k1PrivateKey::new();
     let sender_signer_sk = Secp256k1PrivateKey::new();
     let sender_signer_addr = tests::to_addr(&sender_signer_sk);