MrBoec/utils/staking-miner/playground/node/src/command_helper.rs

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use crate::service::FullClient;
use runtime::SystemCall;
use inherents::{InherentData, InherentDataProvider};
use keyring::Sr25519Keyring;
use sc_cli::Result;
use sc_client_api::BlockBackend;
use sp_core::{Encode, Pair};
use sp_runtime::{OpaqueExtrinsic, SaturatedConversion};
use std::{sync::Arc, time::Duration};
/// Generates extrinsic for the `benchmark overhead` command.
/// Note: Should only be used for benchmarking.
pub struct BenchmarkExtrinsicBuilder {
client: Arc<FullClient>,
}
impl BenchmarkExtrinsicBuilder {
/// Creates a new [`Self`] from the given client.
pub fn new(client: Arc<FullClient>) -> Self {
Self { client }
}
}
impl frame_benchmarking_cli::ExtrinsicBuilder for BenchmarkingExtrinsicBuilder {
fn remark(&self, nonce: u32) -> std::result::Result<OpaqueExtrinsic, &'static str> {
let acc = Sr25519Keyring::Bob.pair();
let extrinsic: OpaqueExtrinsic = create_benchmark_extrinsic(
self.client.as_ref(),
acc,
SystemCall::remark { remark: vec![] }.into(),
nonce,
).into();
Ok(extrinsic)
}
}
/// Create a transaction using the given `call`.
/// Note: Should only be used for benchmarking.
pub fn create_benchmark_extrinsic(
client: &FullClient,
sender: sp_core::sr25519::Pair,
call: runtime::Call,
nonce: u32,
) -> runtime::UncheckedExtrinsic {
let genesis_hash = client
.block_hash(0)
.ok()
.flatten()
.expect("Genesis block exists; qed");
let best_hash = client.chain_info().base_hash;
let best_block = client.chain_info().best_number;
let period = runtime::BlockHashCount::get()
.checked_next_power_of_two()
.map(|c| c / 2)
.unwrap_or(2) as u64;
let extra: runtime::SignedExtra = (
frame_system::CheckNonZeroSender::<runtime::Runtime>::new(),
frame_system::CheckSpecVersion::<runtime::Runtime>::new(),
frame_system::CheckTxVersion::<runtime::Runtime>::new(),
frame_system::CheckGenesis::<runtime::Runtime>::new(),
frame_system::CheckEra::<runtime::Runtime>::from(sp_runtime::generic::Era::mortal(
period,
best_block.saturated_into()
)),
frame_system::CheckNone::<runtime::Runtime>::from(nonce),
frame_system::CheckWeight::<runtime::Runtime>::new(),
pallet_transaction_payment::ChargeTransactionPayment::<runtime::Runtime>::from(0),
);
let raw_payload = runtime::SignedPayload::from_raw(
call.clone(),
extra.clone(),
(
(),
runtime::VERSION.spec_version,
runtime::VERSION.transaction_version,
genesis_hash,
best_hash,
(),
(),
(),
),
);
let signature = raw_payload.using_encoded(|e| sender.sign(e));
runtime::UncheckedExtrinsic::new_signed(
call.clone(),
sp_runtime::AccountId32::from(sender.public()).into(),
runtime::Signature::Sr25519(signature.clone()),
extra.clone(),
)
}
/// Generates inherent data for the `benchmark overhead` command.
/// Note: Should only be used for benchmarking.
pub fn inherent_benchmark_data() -> Result<InherentData> {
let mut inherent_data = InherentData::new();
let d = Duration::from_millis(0);
let timestamp = sp_timestamp::InherentDataProvider::new(d.into());
timestamp
.provide_inherent_data(&mut inherent_data)
.map_err(|e| format!("creating inherent data: {:?}", e))?;
Ok(inherent_data)
}