openethereum/crates/rpc/src/v1/helpers/work.rs

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// Copyright 2015-2020 Parity Technologies (UK) Ltd.
// This file is part of OpenEthereum.
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// OpenEthereum 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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// OpenEthereum 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.
// You should have received a copy of the GNU General Public License
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// along with OpenEthereum. If not, see <http://www.gnu.org/licenses/>.
//! Helpers for submit a POW work.
use std::sync::Arc;
use ethcore::miner::{BlockChainClient, MinerService};
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use ethereum_types::{H256, H64};
use jsonrpc_core::Error;
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use rlp;
use v1::helpers::errors;
// Submit a POW work and return the block's hash
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pub fn submit_work_detail<C: BlockChainClient, M: MinerService>(
client: &Arc<C>,
miner: &Arc<M>,
nonce: H64,
pow_hash: H256,
mix_hash: H256,
) -> Result<H256, Error> {
// TODO [ToDr] Should disallow submissions in case of PoA?
trace!(target: "miner", "submit_work_detail: Decoded: nonce={}, pow_hash={}, mix_hash={}", nonce, pow_hash, mix_hash);
let seal = vec![rlp::encode(&mix_hash), rlp::encode(&nonce)];
miner
.submit_seal(pow_hash, seal)
.and_then(|block| client.import_sealed_block(block))
.map_err(|e| {
warn!(target: "miner", "Cannot submit work - {:?}.", e);
errors::cannot_submit_work(e)
})
}