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https://github.com/ethereum/go-ethereum.git
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9da0432ec2
This PR removes open telemetry based tracing from the whole mining workflow. The tracing extended into consensus and core blockchain functions from miner is also removed in this PR. We weren't checking the tracing from a long time and the way it was implemented increased the code complexity a lot.
85 lines
3.1 KiB
Go
85 lines
3.1 KiB
Go
// Copyright 2017 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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// Package ethash implements the ethash proof-of-work consensus engine.
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package ethash
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import (
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"time"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/rpc"
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)
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// Ethash is a consensus engine based on proof-of-work implementing the ethash
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// algorithm.
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type Ethash struct {
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fakeFail *uint64 // Block number which fails PoW check even in fake mode
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fakeDelay *time.Duration // Time delay to sleep for before returning from verify
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fakeFull bool // Accepts everything as valid
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}
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// NewFaker creates an ethash consensus engine with a fake PoW scheme that accepts
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// all blocks' seal as valid, though they still have to conform to the Ethereum
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// consensus rules.
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func NewFaker() *Ethash {
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return new(Ethash)
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}
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// NewFakeFailer creates a ethash consensus engine with a fake PoW scheme that
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// accepts all blocks as valid apart from the single one specified, though they
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// still have to conform to the Ethereum consensus rules.
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func NewFakeFailer(fail uint64) *Ethash {
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return &Ethash{
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fakeFail: &fail,
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}
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}
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// NewFakeDelayer creates a ethash consensus engine with a fake PoW scheme that
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// accepts all blocks as valid, but delays verifications by some time, though
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// they still have to conform to the Ethereum consensus rules.
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func NewFakeDelayer(delay time.Duration) *Ethash {
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return &Ethash{
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fakeDelay: &delay,
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}
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}
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// NewFullFaker creates an ethash consensus engine with a full fake scheme that
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// accepts all blocks as valid, without checking any consensus rules whatsoever.
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func NewFullFaker() *Ethash {
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return &Ethash{
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fakeFull: true,
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}
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}
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// Close closes the exit channel to notify all backend threads exiting.
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func (ethash *Ethash) Close() error {
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return nil
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}
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// APIs implements consensus.Engine, returning no APIs as ethash is an empty
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// shell in the post-merge world.
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func (ethash *Ethash) APIs(chain consensus.ChainHeaderReader) []rpc.API {
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return []rpc.API{}
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}
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// Seal generates a new sealing request for the given input block and pushes
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// the result into the given channel. For the ethash engine, this method will
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// just panic as sealing is not supported anymore.
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func (ethash *Ethash) Seal(chain consensus.ChainHeaderReader, block *types.Block, results chan<- *types.Block, stop <-chan struct{}) error {
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panic("ethash (pow) sealing not supported any more")
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}
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