Merge pull request #2905 from opentensor/release/9.7.0

Release/9.7.0

Author: ibraheem-abe

.github/PULL_REQUEST_TEMPLATE/bug_fix.md

@@ -56,4 +56,8 @@ Examples:
 - Fixed an issue where multiple cursors did not work in a file with a single line.
 - Increased the performance of searching and replacing across a whole project.
 
--->
+-->
+
+
+### Branch Acknowledgement
+[ ] I am acknowledging that I am opening this branch against `staging`

.github/PULL_REQUEST_TEMPLATE/feature_change.md

@@ -51,4 +51,8 @@ Examples:
 - Fixed an issue where multiple cursors did not work in a file with a single line.
 - Increased the performance of searching and replacing across a whole project.
 
--->
+-->
+
+
+### Branch Acknowledgement
+[ ] I am acknowledging that I am opening this branch against `staging`

.github/PULL_REQUEST_TEMPLATE/performance_improvement.md

@@ -52,4 +52,8 @@ Examples:
 - Fixed an issue where multiple cursors did not work in a file with a single line.
 - Increased the performance of searching and replacing across a whole project.
 
--->
+-->
+
+
+### Branch Acknowledgement
+[ ] I am acknowledging that I am opening this branch against `staging`

.github/pull_request_template.md

@@ -5,6 +5,6 @@ please switch to **Preview** for links to render properly.
 
 Please choose the right template for your pull request:
 
-- 🐛 Are you fixing a bug? [Bug fix](?template=bug_fix.md)
-- 📈 Are you improving performance? [Performance improvement](?template=performance_improvement.md)
-- 💻 Are you changing functionality? [Feature change](?template=feature_change.md)
+- 🐛 Are you fixing a bug? [Bug fix](?expand=1&template=bug_fix.md)
+- 📈 Are you improving performance? [Performance improvement](?expand=1&template=performance_improvement.md)
+- 💻 Are you changing functionality? [Feature change](?expand=1&template=feature_change.md)

.github/workflows/e2e-subtensor-tests.yaml

@@ -128,11 +128,31 @@ jobs:
             fi
           done
 
+  # run non-fast-blocks only on Saturday and by cron schedule
+  check-if-saturday:
+    if: github.event_name == 'schedule'
+    runs-on: ubuntu-latest
+    outputs:
+      is-saturday: ${{ steps.check.outputs.is-saturday }}
+    steps:
+      - id: check
+        run: |
+          day=$(date -u +%u)
+          echo "Today is weekday $day"
+          if [ "$day" -ne 6 ]; then
+            echo "⏭️ Skipping: not Saturday"
+            echo "is-saturday=false" >> "$GITHUB_OUTPUT"
+            exit 0
+          fi
+          echo "is-saturday=true"
+          echo "is-saturday=true" >> "$GITHUB_OUTPUT"
+
 
   cron-run-non-fast-blocks-e2e-test:
-    if: github.event_name == 'schedule'
+    if: github.event_name == 'schedule' && needs.check-if-saturday.outputs.is-saturday == 'true'
     name: "NFB: ${{ matrix.test-file }} / Python ${{ matrix.python-version }}"
     needs:
+      - check-if-saturday
       - find-tests
       - pull-docker-image
     runs-on: ubuntu-latest
@@ -148,14 +168,6 @@ jobs:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
-      - name: Check if today is Saturday
-        run: |
-          day=$(date -u +%u)
-          echo "Today is weekday $day"
-          if [ "$day" -ne 6 ]; then
-            echo "⏭️ Skipping: not Saturday"
-            exit 78
-          fi
       - name: Check-out repository
         uses: actions/checkout@v4
 

CHANGELOG.md

@@ -1,5 +1,20 @@
 # Changelog
 
+## 9.7.0 /2025-05-29
+
+## What's Changed
+* Add `get_subnet_info` by @basfroman in https://github.com/opentensor/bittensor/pull/2894
+* Fix bug in `get_next_epoch_start_block` by @basfroman in https://github.com/opentensor/bittensor/pull/2899
+* e2e workflow: improve skipping logic (no error when skip the job) by @basfroman in https://github.com/opentensor/bittensor/pull/2898
+* Replace `transfer_allow_death` with `transfer_keep_alive` by @basfroman in https://github.com/opentensor/bittensor/pull/2900
+* Fix broken pull request template links (#2867) by @AgSpades in https://github.com/opentensor/bittensor/pull/2883
+* update pr templates with branch ack by @thewhaleking in https://github.com/opentensor/bittensor/pull/2903
+
+## New Contributors
+* @AgSpades made their first contribution in https://github.com/opentensor/bittensor/pull/2883
+
+**Full Changelog**: https://github.com/opentensor/bittensor/compare/v9.6.1...v9.7.0
+
 ## 9.6.1 /2025-05-22
 
 ## What's Changed

bittensor/core/async_subtensor.py

@@ -1796,7 +1796,7 @@ async def get_next_epoch_start_block(
             netuid=netuid, block=block, block_hash=block_hash, reuse_block=reuse_block
         )
 
-        if block and blocks_since_last_step and tempo:
+        if block and blocks_since_last_step is not None and tempo:
             return block - blocks_since_last_step + tempo + 1
         return None
 
@@ -1921,6 +1921,42 @@ async def get_stake_add_fee(
         )
         return Balance.from_rao(result)
 
+    async def get_subnet_info(
+        self,
+        netuid: int,
+        block: Optional[int] = None,
+        block_hash: Optional[str] = None,
+        reuse_block: bool = False,
+    ) -> Optional["SubnetInfo"]:
+        """
+        Retrieves detailed information about subnet within the Bittensor network.
+        This function provides comprehensive data on subnet, including its characteristics and operational parameters.
+
+        Arguments:
+            netuid: The unique identifier of the subnet.
+            block: The blockchain block number for the query.
+            block_hash (Optional[str]): The hash of the block to retrieve the stake from. Do not specify if using block
+                or reuse_block
+            reuse_block (bool): Whether to use the last-used block. Do not set if using block_hash or block.
+
+        Returns:
+            SubnetInfo: A SubnetInfo objects, each containing detailed information about a subnet.
+
+        Gaining insights into the subnet's details assists in understanding the network's composition, the roles of
+            different subnets, and their unique features.
+        """
+        result = await self.query_runtime_api(
+            runtime_api="SubnetInfoRuntimeApi",
+            method="get_subnet_info_v2",
+            params=[netuid],
+            block=block,
+            block_hash=block_hash,
+            reuse_block=reuse_block,
+        )
+        if not result:
+            return None
+        return SubnetInfo.from_dict(result)
+
     async def get_unstake_fee(
         self,
         amount: Balance,
@@ -2286,7 +2322,7 @@ async def get_transfer_fee(
 
         call = await self.substrate.compose_call(
             call_module="Balances",
-            call_function="transfer_allow_death",
+            call_function="transfer_keep_alive",
             call_params={"dest": dest, "value": value.rao},
         )
 

bittensor/core/extrinsics/asyncex/transfer.py

@@ -45,7 +45,7 @@ async def _do_transfer(
     """
     call = await subtensor.substrate.compose_call(
         call_module="Balances",
-        call_function="transfer_allow_death",
+        call_function="transfer_keep_alive",
         call_params={"dest": destination, "value": amount.rao},
     )
 

bittensor/core/extrinsics/transfer.py

@@ -44,7 +44,7 @@ def _do_transfer(
     """
     call = subtensor.substrate.compose_call(
         call_module="Balances",
-        call_function="transfer_allow_death",
+        call_function="transfer_keep_alive",
         call_params={"dest": destination, "value": amount.rao},
     )
 

bittensor/core/subtensor.py

@@ -1385,7 +1385,7 @@ def get_next_epoch_start_block(
         blocks_since_last_step = self.blocks_since_last_step(netuid=netuid, block=block)
         tempo = self.tempo(netuid=netuid, block=block)
 
-        if block and blocks_since_last_step and tempo:
+        if block and blocks_since_last_step is not None and tempo:
             return block - blocks_since_last_step + tempo + 1
         return None
 
@@ -1507,6 +1507,33 @@ def get_stake_add_fee(
         )
         return Balance.from_rao(result)
 
+    def get_subnet_info(
+        self, netuid: int, block: Optional[int] = None
+    ) -> Optional["SubnetInfo"]:
+        """
+        Retrieves detailed information about subnet within the Bittensor network.
+        This function provides comprehensive data on subnet, including its characteristics and operational parameters.
+
+        Arguments:
+            netuid: The unique identifier of the subnet.
+            block: The blockchain block number for the query.
+
+        Returns:
+            SubnetInfo: A SubnetInfo objects, each containing detailed information about a subnet.
+
+        Gaining insights into the subnet's details assists in understanding the network's composition, the roles of
+            different subnets, and their unique features.
+        """
+        result = self.query_runtime_api(
+            runtime_api="SubnetInfoRuntimeApi",
+            method="get_subnet_info_v2",
+            params=[netuid],
+            block=block,
+        )
+        if not result:
+            return None
+        return SubnetInfo.from_dict(result)
+
     def get_unstake_fee(
         self,
         amount: Balance,
@@ -1804,7 +1831,7 @@ def get_transfer_fee(self, wallet: "Wallet", dest: str, value: Balance) -> Balan
         value = check_and_convert_to_balance(value)
         call = self.substrate.compose_call(
             call_module="Balances",
-            call_function="transfer_allow_death",
+            call_function="transfer_keep_alive",
             call_params={"dest": dest, "value": value.rao},
         )