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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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14
core/dao_test.go
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@ -20,11 +20,11 @@ import (
"math/big"
"testing"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core/vm"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/event"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/pow"
)
// Tests that DAO-fork enabled clients can properly filter out fork-commencing
@ -42,12 +42,12 @@ func TestDAOForkRangeExtradata(t *testing.T) {
proDb, _ := ethdb.NewMemDatabase()
gspec.MustCommit(proDb)
proConf := &params.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: true}
proBc, _ := NewBlockChain(proDb, proConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
proBc, _ := NewBlockChain(proDb, proConf, ethash.NewFaker(), new(event.TypeMux), vm.Config{})
conDb, _ := ethdb.NewMemDatabase()
gspec.MustCommit(conDb)
conConf := &params.ChainConfig{HomesteadBlock: big.NewInt(0), DAOForkBlock: forkBlock, DAOForkSupport: false}
conBc, _ := NewBlockChain(conDb, conConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
conBc, _ := NewBlockChain(conDb, conConf, ethash.NewFaker(), new(event.TypeMux), vm.Config{})
if _, err := proBc.InsertChain(prefix); err != nil {
t.Fatalf("pro-fork: failed to import chain prefix: %v", err)
@ -60,7 +60,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
// Create a pro-fork block, and try to feed into the no-fork chain
db, _ = ethdb.NewMemDatabase()
gspec.MustCommit(db)
bc, _ := NewBlockChain(db, conConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
bc, _ := NewBlockChain(db, conConf, ethash.NewFaker(), new(event.TypeMux), vm.Config{})
blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1))
for j := 0; j < len(blocks)/2; j++ {
@ -81,7 +81,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
// Create a no-fork block, and try to feed into the pro-fork chain
db, _ = ethdb.NewMemDatabase()
gspec.MustCommit(db)
bc, _ = NewBlockChain(db, proConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
bc, _ = NewBlockChain(db, proConf, ethash.NewFaker(), new(event.TypeMux), vm.Config{})
blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1))
for j := 0; j < len(blocks)/2; j++ {
@ -103,7 +103,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
// Verify that contra-forkers accept pro-fork extra-datas after forking finishes
db, _ = ethdb.NewMemDatabase()
gspec.MustCommit(db)
bc, _ := NewBlockChain(db, conConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
bc, _ := NewBlockChain(db, conConf, ethash.NewFaker(), new(event.TypeMux), vm.Config{})
blocks := conBc.GetBlocksFromHash(conBc.CurrentBlock().Hash(), int(conBc.CurrentBlock().NumberU64()+1))
for j := 0; j < len(blocks)/2; j++ {
@ -119,7 +119,7 @@ func TestDAOForkRangeExtradata(t *testing.T) {
// Verify that pro-forkers accept contra-fork extra-datas after forking finishes
db, _ = ethdb.NewMemDatabase()
gspec.MustCommit(db)
bc, _ = NewBlockChain(db, proConf, new(pow.FakePow), new(event.TypeMux), vm.Config{})
bc, _ = NewBlockChain(db, proConf, ethash.NewFaker(), new(event.TypeMux), vm.Config{})
blocks = proBc.GetBlocksFromHash(proBc.CurrentBlock().Hash(), int(proBc.CurrentBlock().NumberU64()+1))
for j := 0; j < len(blocks)/2; j++ {