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Co-authored-by: Peter Goodspeed-Niklaus <[email protected]> Co-authored-by: Peter Goodspeed-Niklaus <[email protected]>
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| *.key | ||
| *.bin |
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| [package] | ||
| name = "staking-miner" | ||
| version = "0.9.0" | ||
| authors = ["Parity Technologies <[email protected]>"] | ||
| edition = "2018" | ||
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| [dependencies] | ||
| codec = { package = "parity-scale-codec", version = "2.0.0" } | ||
| tokio = { version = "0.2", features = ["macros"] } | ||
| log = "0.4.11" | ||
| env_logger = "0.8.3" | ||
| structopt = "0.3.0" | ||
| jsonrpsee-ws-client = { version = "0.2.0", default-features = false, features = ["tokio02"] } | ||
| jsonrpsee-types = { version = "0.2.0" } | ||
| jsonrpsee = "=0.2.0-alpha.6" | ||
| serde_json = "1.0" | ||
| serde = "1.0.0" | ||
| hex = "0.4.0" | ||
| lazy_static = "1.4.0" | ||
| paste = "1.0.5" | ||
| thiserror = "1.0.0" | ||
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| remote-externalities = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
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| sp-core = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| sp-io = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| sp-npos-elections = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| sp-transaction-pool = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
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| frame-system = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| frame-support = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| frame-election-provider-support = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| pallet-election-provider-multi-phase = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| pallet-staking = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
| pallet-transaction-payment = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } | ||
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| core-primitives = { package = "polkadot-core-primitives", path = "../../core-primitives" } | ||
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| runtime-common = { package = "polkadot-runtime-common", path = "../../runtime/common" } | ||
| polkadot-runtime = { path = "../../runtime/polkadot" } | ||
| kusama-runtime = { path = "../../runtime/kusama" } | ||
| westend-runtime = { path = "../../runtime/westend" } | ||
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| [dev-dependencies] | ||
| sp-version = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.8" } |
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| // Copyright 2021 Parity Technologies (UK) Ltd. | ||
| // This file is part of Polkadot. | ||
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| // Polkadot is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
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| // Polkadot is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License | ||
| // along with Polkadot. If not, see <http://www.gnu.org/licenses/>. | ||
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| //! The dry-run command. | ||
| use crate::{ | ||
| params, prelude::*, rpc_helpers::*, signer::Signer, DryRunConfig, Error, SharedConfig, WsClient, | ||
| }; | ||
| use codec::Encode; | ||
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| /// Forcefully create the snapshot. This can be used to compute the election at anytime. | ||
| fn force_create_snapshot<T: EPM::Config>(ext: &mut Ext) -> Result<(), Error> { | ||
| ext.execute_with(|| { | ||
| if <EPM::Snapshot<T>>::exists() { | ||
| log::info!(target: LOG_TARGET, "snapshot already exists."); | ||
| Ok(()) | ||
| } else { | ||
| log::info!(target: LOG_TARGET, "creating a fake snapshot now."); | ||
| <EPM::Pallet<T>>::create_snapshot().map(|_| ()).map_err(Into::into) | ||
| } | ||
| }) | ||
| } | ||
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||
| /// Helper method to print the encoded size of the snapshot. | ||
| fn measure_snapshot_size<T: EPM::Config>(ext: &mut Ext) { | ||
| ext.execute_with(|| { | ||
| log::info!(target: LOG_TARGET, "Metadata: {:?}", <EPM::Pallet<T>>::snapshot_metadata()); | ||
| log::info!( | ||
| target: LOG_TARGET, | ||
| "Encoded Length: {:?}", | ||
| <EPM::Pallet<T>>::snapshot() | ||
| .expect("snapshot must exist before calling `measure_snapshot_size`") | ||
| .encode() | ||
| .len() | ||
| ); | ||
| }) | ||
| } | ||
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| /// Find the stake threshold in order to have at most `count` voters. | ||
| #[allow(unused)] | ||
| fn find_threshold<T: EPM::Config>(ext: &mut Ext, count: usize) { | ||
| ext.execute_with(|| { | ||
| let mut voters = <EPM::Pallet<T>>::snapshot() | ||
| .expect("snapshot must exist before calling `measure_snapshot_size`") | ||
| .voters; | ||
| voters.sort_by_key(|(_voter, weight, _targets)| std::cmp::Reverse(*weight)); | ||
| match voters.get(count) { | ||
| Some(threshold_voter) => println!("smallest allowed voter is {:?}", threshold_voter), | ||
| None => { | ||
| println!("requested truncation to {} voters but had only {}", count, voters.len()); | ||
| println!("smallest current voter: {:?}", voters.last()); | ||
| } | ||
| } | ||
| }) | ||
| } | ||
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| macro_rules! dry_run_cmd_for { ($runtime:ident) => { paste::paste! { | ||
| /// Execute the dry-run command. | ||
| pub(crate) async fn [<dry_run_cmd_ $runtime>]( | ||
| client: &WsClient, | ||
| shared: SharedConfig, | ||
| config: DryRunConfig, | ||
| signer: Signer, | ||
| ) -> Result<(), Error> { | ||
| use $crate::[<$runtime _runtime_exports>]::*; | ||
| let mut ext = crate::create_election_ext::<Runtime, Block>(shared.uri.clone(), config.at, true).await?; | ||
| force_create_snapshot::<Runtime>(&mut ext)?; | ||
| measure_snapshot_size::<Runtime>(&mut ext); | ||
| let (raw_solution, witness) = crate::mine_unchecked::<Runtime>(&mut ext, config.iterations, false)?; | ||
| log::info!(target: LOG_TARGET, "mined solution with {:?}", &raw_solution.score); | ||
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| let nonce = crate::get_account_info::<Runtime>(client, &signer.account, config.at) | ||
| .await? | ||
| .map(|i| i.nonce) | ||
| .expect("signer account is checked to exist upon startup; it can only die if it \ | ||
| transfers funds out of it, or get slashed. If it does not exist at this point, \ | ||
| it is likely due to a bug, or the signer got slashed. Terminating." | ||
| ); | ||
| let tip = 0 as Balance; | ||
| let era = sp_runtime::generic::Era::Immortal; | ||
| let extrinsic = ext.execute_with(|| create_uxt(raw_solution, witness, signer.clone(), nonce, tip, era)); | ||
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| let bytes = sp_core::Bytes(extrinsic.encode().to_vec()); | ||
| let outcome = rpc_decode::<sp_runtime::ApplyExtrinsicResult>(client, "system_dryRun", params!{ bytes }).await?; | ||
| log::info!(target: LOG_TARGET, "dry-run outcome is {:?}", outcome); | ||
| Ok(()) | ||
| } | ||
| }}} | ||
|
|
||
| dry_run_cmd_for!(polkadot); | ||
| dry_run_cmd_for!(kusama); | ||
| dry_run_cmd_for!(westend); |
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