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Record TAO in-flow on burned neuron registration #2571

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Merged
sam0x17 merged 2 commits into from
May 6, 2026
Merged

Record TAO in-flow on burned neuron registration #2571

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f0531dd
Record TAO in-flow on burned neuron registration
gztensor Apr 7, 2026
f905fa3
Merge branch 'devnet-ready' into feat/tao-inflow-on-neuron-registration
gztensor Apr 24, 2026
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3 changes: 3 additions & 0 deletions pallets/subtensor/src/subnets/registration.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,9 @@ impl<T: Config> Pallet<T> {
RegistrationsThisBlock::<T>::mutate(netuid, |val| val.saturating_inc());
Self::increase_rao_recycled(netuid, registration_cost.into());

// Record TAO inflow
Self::record_tao_inflow(netuid, actual_burn_amount);

// 12) event
log::debug!("NeuronRegistered( netuid:{netuid:?} uid:{neuron_uid:?} hotkey:{hotkey:?} )");
Self::deposit_event(Event::NeuronRegistered(netuid, neuron_uid, hotkey));
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6 changes: 5 additions & 1 deletion pallets/subtensor/src/tests/registration.rs
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Expand Up @@ -46,7 +46,8 @@ fn test_registration_ok() {
mock::setup_reserves(netuid, DEFAULT_RESERVE.into(), DEFAULT_RESERVE.into());

// Make burn small and stable for this test.
SubtensorModule::set_burn(netuid, 1_000u64.into());
let burn = 1_000_u64;
SubtensorModule::set_burn(netuid, burn.into());

let hotkey = U256::from(1);
let coldkey = U256::from(667);
Expand Down Expand Up @@ -77,6 +78,9 @@ fn test_registration_ok() {
SubtensorModule::get_stake_for_uid_and_subnetwork(netuid, uid),
AlphaBalance::ZERO
);

// TAO inflow recorded
assert_eq!(SubnetTaoFlow::<Test>::get(netuid), burn as i64);
});
}

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