core, consensus: pluggable consensus engines (#3817)

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.

1 files changed, 5 insertions, 8 deletions

diff --git a/light/txpool_test.go b/light/txpool_test.go
index 2b5fa7116..f23832a41 100644
--- a/light/txpool_test.go
+++ b/light/txpool_test.go
@@ -24,13 +24,13 @@ import (
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/consensus/ethash"
 	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
 	"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"
 )
 
 type testTxRelay struct {
@@ -83,7 +83,6 @@ func TestTxPool(t *testing.T) {
 
 	var (
 		evmux   = new(event.TypeMux)
-		pow     = new(pow.FakePow)
 		sdb, _  = ethdb.NewMemDatabase()
 		ldb, _  = ethdb.NewMemDatabase()
 		gspec   = core.Genesis{Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}}}
@@ -91,9 +90,8 @@ func TestTxPool(t *testing.T) {
 	)
 	gspec.MustCommit(ldb)
 	// Assemble the test environment
-	blockchain, _ := core.NewBlockChain(sdb, testChainConfig(), pow, evmux, vm.Config{})
-	chainConfig := &params.ChainConfig{HomesteadBlock: new(big.Int)}
-	gchain, _ := core.GenerateChain(chainConfig, genesis, sdb, poolTestBlocks, txPoolTestChainGen)
+	blockchain, _ := core.NewBlockChain(sdb, params.TestChainConfig, ethash.NewFullFaker(), evmux, vm.Config{})
+	gchain, _ := core.GenerateChain(params.TestChainConfig, genesis, sdb, poolTestBlocks, txPoolTestChainGen)
 	if _, err := blockchain.InsertChain(gchain); err != nil {
 		panic(err)
 	}
@@ -104,10 +102,9 @@ func TestTxPool(t *testing.T) {
 		discard: make(chan int, 1),
 		mined:   make(chan int, 1),
 	}
-	lightchain, _ := NewLightChain(odr, testChainConfig(), pow, evmux)
-	lightchain.SetValidator(bproc{})
+	lightchain, _ := NewLightChain(odr, params.TestChainConfig, ethash.NewFullFaker(), evmux)
 	txPermanent = 50
-	pool := NewTxPool(testChainConfig(), evmux, lightchain, relay)
+	pool := NewTxPool(params.TestChainConfig, evmux, lightchain, relay)
 	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
 	defer cancel()