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Signed-off-by: Gregory Hill <gregorydhill@outlook.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| use frame_support::{ | ||
| traits::OnRuntimeUpgrade, | ||
| weights::{constants::WEIGHT_REF_TIME_PER_SECOND, Weight}, | ||
| }; | ||
| use pallet_ethereum::{Transaction, TransactionAction}; | ||
| use sp_core::Get; | ||
| use sp_runtime::Permill; | ||
| use sp_std::marker::PhantomData; | ||
|
|
||
| pub mod precompiles; | ||
|
|
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| /// Current approximation of the gas/s consumption (Moonbeam) | ||
| pub const GAS_PER_SECOND: u64 = 40_000_000; | ||
| /// Approximate ratio of the amount of Weight per Gas (Moonbeam) | ||
| pub const WEIGHT_PER_GAS: u64 = WEIGHT_REF_TIME_PER_SECOND / GAS_PER_SECOND; | ||
|
|
||
| /// Sets the ideal block fullness to 50%. | ||
| /// If the block weight is between: | ||
| /// - 0-50% the gas fee will decrease | ||
| /// - 50-100% the gas fee will increase | ||
| pub struct BaseFeeThreshold; | ||
| impl pallet_base_fee::BaseFeeThreshold for BaseFeeThreshold { | ||
| fn lower() -> Permill { | ||
| Permill::zero() | ||
| } | ||
| fn ideal() -> Permill { | ||
| Permill::from_parts(500_000) | ||
| } | ||
| fn upper() -> Permill { | ||
| Permill::from_parts(1_000_000) | ||
| } | ||
| } | ||
|
|
||
| /// Get the "action" (call or create) of an Ethereum transaction | ||
| pub trait GetTransactionAction { | ||
| fn action(&self) -> TransactionAction; | ||
| } | ||
|
|
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| impl GetTransactionAction for Transaction { | ||
| fn action(&self) -> TransactionAction { | ||
| match self { | ||
| Transaction::Legacy(transaction) => transaction.action, | ||
| Transaction::EIP2930(transaction) => transaction.action, | ||
| Transaction::EIP1559(transaction) => transaction.action, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// Set the EVM chain ID based on the parachain ID | ||
| pub struct SetEvmChainId<T>(PhantomData<T>); | ||
| impl<T> OnRuntimeUpgrade for SetEvmChainId<T> | ||
| where | ||
| T: frame_system::Config + parachain_info::Config + pallet_evm_chain_id::Config, | ||
| { | ||
| fn on_runtime_upgrade() -> Weight { | ||
| let para_id: u32 = parachain_info::Pallet::<T>::parachain_id().into(); | ||
| let evm_id: u64 = para_id.into(); | ||
| pallet_evm_chain_id::ChainId::<T>::put(evm_id); | ||
| <T as frame_system::Config>::DbWeight::get().reads_writes(1, 1) | ||
| } | ||
|
|
||
| #[cfg(feature = "try-runtime")] | ||
| fn pre_upgrade() -> Result<sp_std::vec::Vec<u8>, &'static str> { | ||
| Ok(Default::default()) | ||
| } | ||
|
|
||
| #[cfg(feature = "try-runtime")] | ||
| fn post_upgrade(_: sp_std::vec::Vec<u8>) -> Result<(), &'static str> { | ||
| Ok(()) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| use pallet_evm::{IsPrecompileResult, Precompile, PrecompileHandle, PrecompileResult, PrecompileSet}; | ||
| use sp_core::H160; | ||
| use sp_std::marker::PhantomData; | ||
|
|
||
| use pallet_evm_precompile_modexp::Modexp; | ||
| use pallet_evm_precompile_simple::{ECRecover, Identity, Ripemd160, Sha256}; | ||
|
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| pub struct InterBtcPrecompiles<R>(PhantomData<R>); | ||
|
|
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| impl<R> InterBtcPrecompiles<R> { | ||
| pub fn new() -> Self { | ||
| Self(Default::default()) | ||
| } | ||
| pub fn used_addresses() -> [H160; 5] { | ||
| [hash(1), hash(2), hash(3), hash(4), hash(5)] | ||
| } | ||
| } | ||
|
|
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| impl<R> PrecompileSet for InterBtcPrecompiles<R> | ||
| where | ||
| R: pallet_evm::Config, | ||
| { | ||
| fn execute(&self, handle: &mut impl PrecompileHandle) -> Option<PrecompileResult> { | ||
| match handle.code_address() { | ||
| // Ethereum precompiles: | ||
| a if a == hash(1) => Some(ECRecover::execute(handle)), | ||
| a if a == hash(2) => Some(Sha256::execute(handle)), | ||
| a if a == hash(3) => Some(Ripemd160::execute(handle)), | ||
| a if a == hash(4) => Some(Identity::execute(handle)), | ||
| a if a == hash(5) => Some(Modexp::execute(handle)), | ||
| _ => None, | ||
| } | ||
| } | ||
|
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| fn is_precompile(&self, address: H160, _gas: u64) -> IsPrecompileResult { | ||
| IsPrecompileResult::Answer { | ||
| is_precompile: Self::used_addresses().contains(&address), | ||
| extra_cost: 0, | ||
| } | ||
| } | ||
| } | ||
|
|
||
| fn hash(a: u64) -> H160 { | ||
| H160::from_low_u64_be(a) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| use crate::{ | ||
| AccountId, Aura, BaseFee, EVMChainId, NativeCurrency, Runtime, RuntimeEvent, Timestamp, MAXIMUM_BLOCK_WEIGHT, | ||
| NORMAL_DISPATCH_RATIO, | ||
| }; | ||
| use frame_support::{ | ||
| parameter_types, | ||
| traits::{ConstU32, FindAuthor}, | ||
| weights::Weight, | ||
| ConsensusEngineId, | ||
| }; | ||
| use pallet_ethereum::PostLogContent; | ||
| use pallet_evm::{EnsureAddressRoot, EnsureAddressTruncated, FixedGasWeightMapping, HashedAddressMapping}; | ||
| use sp_core::{crypto::ByteArray, H160, U256}; | ||
| use sp_runtime::{traits::BlakeTwo256, Permill}; | ||
| use sp_std::marker::PhantomData; | ||
|
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| pub use runtime_common::evm::{ | ||
| precompiles::InterBtcPrecompiles, BaseFeeThreshold, GetTransactionAction, SetEvmChainId, WEIGHT_PER_GAS, | ||
| }; | ||
|
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||
| parameter_types! { | ||
| pub DefaultBaseFeePerGas: U256 = U256::from(1_000_000_000); | ||
| pub DefaultElasticity: Permill = Permill::from_parts(125_000); | ||
| } | ||
|
|
||
| impl pallet_base_fee::Config for Runtime { | ||
| type DefaultBaseFeePerGas = DefaultBaseFeePerGas; | ||
| type DefaultElasticity = DefaultElasticity; | ||
| type RuntimeEvent = RuntimeEvent; | ||
| type Threshold = BaseFeeThreshold; | ||
| } | ||
|
|
||
| parameter_types! { | ||
| pub const PostBlockAndTxnHashes: PostLogContent = PostLogContent::BlockAndTxnHashes; | ||
| } | ||
|
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| impl pallet_ethereum::Config for Runtime { | ||
| type RuntimeEvent = RuntimeEvent; | ||
| type StateRoot = pallet_ethereum::IntermediateStateRoot<Self>; | ||
| type PostLogContent = PostBlockAndTxnHashes; | ||
| type ExtraDataLength = ConstU32<30>; | ||
| } | ||
|
|
||
| pub struct FindAuthorTruncated<F>(PhantomData<F>); | ||
| impl<F: FindAuthor<u32>> FindAuthor<H160> for FindAuthorTruncated<F> { | ||
| fn find_author<'a, I>(digests: I) -> Option<H160> | ||
| where | ||
| I: 'a + IntoIterator<Item = (ConsensusEngineId, &'a [u8])>, | ||
| { | ||
| if let Some(author_index) = F::find_author(digests) { | ||
| let authority_id = Aura::authorities()[author_index as usize].clone(); | ||
| return Some(H160::from_slice(&authority_id.to_raw_vec()[4..24])); | ||
| } | ||
| None | ||
| } | ||
| } | ||
|
|
||
| parameter_types! { | ||
| pub BlockGasLimit: U256 = U256::from(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT.ref_time() / WEIGHT_PER_GAS); | ||
| pub PrecompilesValue: InterBtcPrecompiles<Runtime> = InterBtcPrecompiles::<_>::new(); | ||
| pub WeightPerGas: Weight = Weight::from_parts(WEIGHT_PER_GAS, 0); | ||
| /// The amount of gas per pov, taken from Moonbeam: | ||
| /// ceil(MAXIMUM_BLOCK_WEIGHT.ref_time() / MAXIMUM_BLOCK_WEIGHT.proof_size() / WEIGHT_PER_GAS) | ||
| pub const GasLimitPovSizeRatio: u64 = 4; | ||
| } | ||
|
|
||
| impl pallet_evm::Config for Runtime { | ||
| type AddressMapping = HashedAddressMapping<BlakeTwo256>; | ||
| type BlockGasLimit = BlockGasLimit; | ||
| type BlockHashMapping = pallet_ethereum::EthereumBlockHashMapping<Self>; | ||
| type CallOrigin = EnsureAddressRoot<AccountId>; | ||
| type WithdrawOrigin = EnsureAddressTruncated; | ||
| type ChainId = EVMChainId; | ||
| type Currency = NativeCurrency; | ||
| type FeeCalculator = BaseFee; | ||
| type FindAuthor = FindAuthorTruncated<Aura>; | ||
| type GasWeightMapping = FixedGasWeightMapping<Self>; | ||
| type OnChargeTransaction = (); | ||
| type OnCreate = (); | ||
| type PrecompilesType = InterBtcPrecompiles<Self>; | ||
| type PrecompilesValue = PrecompilesValue; | ||
| type Runner = pallet_evm::runner::stack::Runner<Self>; | ||
| type RuntimeEvent = RuntimeEvent; | ||
| type WeightPerGas = WeightPerGas; | ||
| type GasLimitPovSizeRatio = GasLimitPovSizeRatio; | ||
| type Timestamp = Timestamp; | ||
| type WeightInfo = pallet_evm::weights::SubstrateWeight<Runtime>; | ||
| } | ||
|
|
||
| impl pallet_evm_chain_id::Config for Runtime {} |
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