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add netuid argument #991

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add netuid argument #991

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4f92d34
add netuid argument
open-junius Nov 18, 2024
a8ce070
removed commented code
open-junius Nov 18, 2024
9bbb726
keep
open-junius Nov 19, 2024
e42e354
correct parse netuid
open-junius Nov 19, 2024
c5cf5a5
fix clippy
open-junius Nov 19, 2024
35ab9e8
fix clippy
open-junius Nov 20, 2024
2dd396f
fix clippy
open-junius Nov 20, 2024
aa5c06e
fix clippy
open-junius Nov 20, 2024
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35 changes: 31 additions & 4 deletions runtime/src/precompiles/staking.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -72,11 +72,14 @@ impl StakingPrecompile {
<Runtime as pallet_evm::Config>::BalanceConverter::into_substrate_balance(amount)
.ok_or(ExitError::OutOfFund)?;

let netuid_vec = data.get(56..64).ok_or(PrecompileFailure::Error {
exit_status: ExitError::InvalidRange,
})?;
let netuid = Self::parse_netuid(netuid_vec)?;
// Create the add_stake call
let call = RuntimeCall::SubtensorModule(pallet_subtensor::Call::<Runtime>::add_stake {
hotkey,
// TODO update contract to add netuid
netuid: 1,
netuid,
amount_staked: amount_sub.unique_saturated_into(),
});
// Dispatch the add_stake call
Expand All @@ -96,10 +99,14 @@ impl StakingPrecompile {
<Runtime as pallet_evm::Config>::BalanceConverter::into_substrate_balance(amount)
.ok_or(ExitError::OutOfFund)?;

let netuid_vec = data.get(88..96).ok_or(PrecompileFailure::Error {
exit_status: ExitError::InvalidRange,
})?;
let netuid = Self::parse_netuid(netuid_vec)?;

let call = RuntimeCall::SubtensorModule(pallet_subtensor::Call::<Runtime>::remove_stake {
hotkey,
// TODO update contract to add netuid
netuid: 1,
netuid,
amount_unstaked: amount_sub.unique_saturated_into(),
});
Self::dispatch(handle, call)
Expand All @@ -116,6 +123,26 @@ impl StakingPrecompile {
Ok(hotkey)
}

fn parse_netuid(data: &[u8]) -> Result<u16, PrecompileFailure> {
let mut bytes = [0_u8; 8];
bytes.copy_from_slice(data.get(0..8).ok_or(ExitError::InvalidRange)?);

let netuid = U256::from_big_endian(&bytes);

let u16_max_u256 = U256::from(u16::MAX);

if netuid > u16_max_u256 {
return Err(PrecompileFailure::Error {
exit_status: ExitError::InvalidRange,
});
}
let mut two_bytes = [0_u8; 2];
two_bytes.copy_from_slice(&bytes[6..8]);
let result: u16 = u16::from_be_bytes(two_bytes);

Ok(result)
}

fn dispatch(handle: &mut impl PrecompileHandle, call: RuntimeCall) -> PrecompileResult {
let account_id =
<HashedAddressMapping<BlakeTwo256> as AddressMapping<AccountId32>>::into_account_id(
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