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core, consensus: pluggable consensus engines (#3817)

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This commit adds pluggable consensus engines to go-ethereum. In short, it
introduces a generic consensus interface, and refactors the entire codebase to
use this interface.
This commit is contained in:
Péter Szilágyi
2017-04-05 01:16:29 +03:00
committed by Felix Lange
parent e50a5b7771
commit 09777952ee
61 changed files with 1681 additions and 1426 deletions
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9
miner/unconfirmed.go
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@ -18,7 +18,6 @@ package miner
import (
"container/ring"
"fmt"
"sync"
"github.com/ethereum/go-ethereum/common"
@ -80,7 +79,7 @@ func (set *unconfirmedBlocks) Insert(index uint64, hash common.Hash) {
set.blocks.Move(-1).Link(item)
}
// Display a log for the user to notify of a new mined block unconfirmed
log.Info(fmt.Sprintf("🔨 mined potential block #%d [%x…], waiting for %d blocks to confirm", index, hash.Bytes()[:4], set.depth))
log.Info("🔨 mined potential block", "number", index, "hash", hash)
}
// Shift drops all unconfirmed blocks from the set which exceed the unconfirmed sets depth
@ -100,11 +99,11 @@ func (set *unconfirmedBlocks) Shift(height uint64) {
header := set.chain.GetHeaderByNumber(next.index)
switch {
case header == nil:
log.Warn(fmt.Sprintf("failed to retrieve header of mined block #%d [%x…]", next.index, next.hash.Bytes()[:4]))
log.Warn("Failed to retrieve header of mined block", "number", next.index, "hash", next.hash)
case header.Hash() == next.hash:
log.Info(fmt.Sprintf("🔗 mined block #%d [%x…] reached canonical chain", next.index, next.hash.Bytes()[:4]))
log.Info("🔗 block reached canonical chain", "number", next.index, "hash", next.hash)
default:
log.Info(fmt.Sprintf("⑂ mined block #%d [%x…] became a side fork", next.index, next.hash.Bytes()[:4]))
log.Info("⑂ block became a side fork", "number", next.index, "hash", next.hash)
}
// Drop the block out of the ring
if set.blocks.Value == set.blocks.Next().Value {