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‎CHANGELOG.md‎

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# Changelog
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## 9.2.0 /2025-03-18
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## What's Changed
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* Fix E2E test_incentive by waiting till start of the very next epoch by @zyzniewski-reef in https://github.com/opentensor/bittensor/pull/2746
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* New era of e2e Tests Bittensor by @roman-opentensor in https://github.com/opentensor/bittensor/pull/2743
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* Allow installation on Py 3.13 by @thewhaleking in https://github.com/opentensor/bittensor/pull/2756
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* Feat/dynamic stake prices by @ibraheem-opentensor in https://github.com/opentensor/bittensor/pull/2755
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**Full Changelog**: https://github.com/opentensor/bittensor/compare/v9.1.0...v9.2.0
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## 9.1.0 /2025-03-12
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## What's Changed

‎VERSION‎

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9.1.0
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9.2.0

‎bittensor/core/async_subtensor.py‎

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@@ -1575,6 +1575,117 @@ async def get_stake(
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return Balance.from_rao(int(stake)).set_unit(netuid=netuid)
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async def get_stake_add_fee(
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self,
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amount: Balance,
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netuid: int,
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coldkey_ss58: str,
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hotkey_ss58: str,
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block: Optional[int] = None,
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) -> Balance:
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"""
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Calculates the fee for adding new stake to a hotkey.
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Args:
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amount: Amount of stake to add in TAO
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netuid: Netuid of subnet
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coldkey_ss58: SS58 address of source coldkey
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hotkey_ss58: SS58 address of destination hotkey
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block: Block number at which to perform the calculation
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Returns:
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The calculated stake fee as a Balance object
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"""
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result = await self.query_runtime_api(
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runtime_api="StakeInfoRuntimeApi",
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method="get_stake_fee",
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params=[
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None,
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coldkey_ss58,
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(hotkey_ss58, netuid),
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coldkey_ss58,
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amount.rao,
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],
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block=block,
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)
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return Balance.from_rao(result)
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async def get_unstake_fee(
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self,
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amount: Balance,
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netuid: int,
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coldkey_ss58: str,
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hotkey_ss58: str,
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block: Optional[int] = None,
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) -> Balance:
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"""
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Calculates the fee for unstaking from a hotkey.
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Args:
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amount: Amount of stake to unstake in TAO
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netuid: Netuid of subnet
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coldkey_ss58: SS58 address of source coldkey
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hotkey_ss58: SS58 address of destination hotkey
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block: Block number at which to perform the calculation
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Returns:
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The calculated stake fee as a Balance object
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"""
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result = await self.query_runtime_api(
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runtime_api="StakeInfoRuntimeApi",
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method="get_stake_fee",
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params=[
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None,
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coldkey_ss58,
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(hotkey_ss58, netuid),
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coldkey_ss58,
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amount.rao,
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],
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block=block,
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)
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return Balance.from_rao(result)
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async def get_stake_movement_fee(
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self,
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amount: Balance,
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origin_netuid: int,
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origin_hotkey_ss58: str,
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origin_coldkey_ss58: str,
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destination_netuid: int,
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destination_hotkey_ss58: str,
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destination_coldkey_ss58: str,
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block: Optional[int] = None,
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) -> Balance:
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"""
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Calculates the fee for moving stake between hotkeys/subnets/coldkeys.
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Args:
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amount: Amount of stake to move in TAO
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origin_netuid: Netuid of source subnet
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origin_hotkey_ss58: SS58 address of source hotkey
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origin_coldkey_ss58: SS58 address of source coldkey
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destination_netuid: Netuid of destination subnet
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destination_hotkey_ss58: SS58 address of destination hotkey
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destination_coldkey_ss58: SS58 address of destination coldkey
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block: Block number at which to perform the calculation
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Returns:
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The calculated stake fee as a Balance object
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"""
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result = await self.query_runtime_api(
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runtime_api="StakeInfoRuntimeApi",
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method="get_stake_fee",
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params=[
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(origin_hotkey_ss58, origin_netuid),
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origin_coldkey_ss58,
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(destination_hotkey_ss58, destination_netuid),
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destination_coldkey_ss58,
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amount.rao,
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],
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block=block,
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)
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return Balance.from_rao(result)
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async def get_stake_for_coldkey_and_hotkey(
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self,
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coldkey_ss58: str,

‎bittensor/core/settings.py‎

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__version__ = "9.1.0"
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__version__ = "9.2.0"
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import os
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import re

‎bittensor/core/subtensor.py‎

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@@ -1210,6 +1210,117 @@ def get_stake(
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return Balance.from_rao(int(stake)).set_unit(netuid=netuid)
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def get_stake_add_fee(
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self,
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amount: Balance,
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netuid: int,
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coldkey_ss58: str,
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hotkey_ss58: str,
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block: Optional[int] = None,
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) -> Balance:
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"""
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Calculates the fee for adding new stake to a hotkey.
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Args:
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amount: Amount of stake to add in TAO
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netuid: Netuid of subnet
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coldkey_ss58: SS58 address of coldkey
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hotkey_ss58: SS58 address of hotkey
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block: Block number at which to perform the calculation
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Returns:
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The calculated stake fee as a Balance object
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"""
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result = self.query_runtime_api(
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runtime_api="StakeInfoRuntimeApi",
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method="get_stake_fee",
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params=[
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None,
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coldkey_ss58,
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(hotkey_ss58, netuid),
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coldkey_ss58,
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amount.rao,
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],
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block=block,
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)
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return Balance.from_rao(result)
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def get_unstake_fee(
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self,
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amount: Balance,
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netuid: int,
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coldkey_ss58: str,
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hotkey_ss58: str,
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block: Optional[int] = None,
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) -> Balance:
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"""
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Calculates the fee for unstaking from a hotkey.
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Args:
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amount: Amount of stake to unstake in TAO
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netuid: Netuid of subnet
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coldkey_ss58: SS58 address of coldkey
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hotkey_ss58: SS58 address of hotkey
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block: Block number at which to perform the calculation
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Returns:
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The calculated stake fee as a Balance object
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"""
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result = self.query_runtime_api(
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runtime_api="StakeInfoRuntimeApi",
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method="get_stake_fee",
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params=[
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(hotkey_ss58, netuid),
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coldkey_ss58,
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None,
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coldkey_ss58,
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amount.rao,
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],
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block=block,
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)
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return Balance.from_rao(result)
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def get_stake_movement_fee(
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self,
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amount: Balance,
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origin_netuid: int,
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origin_hotkey_ss58: str,
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origin_coldkey_ss58: str,
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destination_netuid: int,
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destination_hotkey_ss58: str,
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destination_coldkey_ss58: str,
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block: Optional[int] = None,
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) -> Balance:
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"""
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Calculates the fee for moving stake between hotkeys/subnets/coldkeys.
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Args:
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amount: Amount of stake to move in TAO
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origin_netuid: Netuid of origin subnet
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origin_hotkey_ss58: SS58 address of origin hotkey
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origin_coldkey_ss58: SS58 address of origin coldkey
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destination_netuid: Netuid of destination subnet
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destination_hotkey_ss58: SS58 address of destination hotkey
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destination_coldkey_ss58: SS58 address of destination coldkey
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block: Block number at which to perform the calculation
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Returns:
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The calculated stake fee as a Balance object
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"""
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result = self.query_runtime_api(
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runtime_api="StakeInfoRuntimeApi",
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method="get_stake_fee",
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params=[
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(origin_hotkey_ss58, origin_netuid),
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origin_coldkey_ss58,
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(destination_hotkey_ss58, destination_netuid),
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destination_coldkey_ss58,
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amount.rao,
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],
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block=block,
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)
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return Balance.from_rao(result)
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def get_stake_for_coldkey_and_hotkey(
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self,
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coldkey_ss58: str,

‎pyproject.toml‎

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@@ -4,14 +4,14 @@ build-backend = "setuptools.build_meta"
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[project]
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name = "bittensor"
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version = "9.1.0"
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version = "9.2.0"
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description = "Bittensor"
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readme = "README.md"
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authors = [
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{name = "bittensor.com"}
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]
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license = { file = "LICENSE" }
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requires-python = ">=3.9,<3.13"
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requires-python = ">=3.9,<3.14"
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dependencies = [
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"wheel",
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"setuptools~=70.0.0",
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"websockets>=14.1",
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"bittensor-commit-reveal>=0.2.0",
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"bittensor-wallet>=3.0.4",
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"async-substrate-interface>=1.0.5"
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"async-substrate-interface>=1.0.8"
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]
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[project.optional-dependencies]

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