149 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			3.3 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package core
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| 
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| import (
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| 	"bytes"
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| 	"fmt"
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| 	"os"
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| 	"path"
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| 	"runtime"
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| 	"strconv"
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| 	"testing"
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| 
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| 	"github.com/ethereum/go-ethereum/core/types"
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| 	"github.com/ethereum/go-ethereum/ethdb"
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| 	"github.com/ethereum/go-ethereum/ethutil"
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| 	"github.com/ethereum/go-ethereum/event"
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| 	"github.com/ethereum/go-ethereum/rlp"
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| )
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| 
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| func init() {
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| 	runtime.GOMAXPROCS(runtime.NumCPU())
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| 	ethutil.ReadConfig("/tmp/ethtest", "/tmp/ethtest", "ETH")
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| }
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| 
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| func loadChain(fn string, t *testing.T) (types.Blocks, error) {
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| 	fh, err := os.OpenFile(path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "_data", fn), os.O_RDONLY, os.ModePerm)
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| 	if err != nil {
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| 		return nil, err
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| 	}
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| 	defer fh.Close()
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| 
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| 	var chain types.Blocks
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| 	if err := rlp.Decode(fh, &chain); err != nil {
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| 		return nil, err
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| 	}
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| 
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| 	return chain, nil
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| }
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| 
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| func insertChain(done chan bool, chainMan *ChainManager, chain types.Blocks, t *testing.T) {
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| 	err := chainMan.InsertChain(chain)
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| 	if err != nil {
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| 		fmt.Println(err)
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| 		t.FailNow()
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| 	}
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| 	done <- true
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| }
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| 
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| func TestChainInsertions(t *testing.T) {
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| 	db, _ := ethdb.NewMemDatabase()
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| 
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| 	chain1, err := loadChain("valid1", t)
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| 	if err != nil {
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| 		fmt.Println(err)
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| 		t.FailNow()
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| 	}
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| 
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| 	chain2, err := loadChain("valid2", t)
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| 	if err != nil {
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| 		fmt.Println(err)
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| 		t.FailNow()
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| 	}
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| 
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| 	var eventMux event.TypeMux
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| 	chainMan := NewChainManager(db, &eventMux)
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| 	txPool := NewTxPool(&eventMux)
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| 	blockMan := NewBlockProcessor(db, txPool, chainMan, &eventMux)
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| 	chainMan.SetProcessor(blockMan)
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| 
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| 	const max = 2
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| 	done := make(chan bool, max)
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| 
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| 	go insertChain(done, chainMan, chain1, t)
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| 	go insertChain(done, chainMan, chain2, t)
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| 
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| 	for i := 0; i < max; i++ {
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| 		<-done
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| 	}
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| 
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| 	if bytes.Equal(chain2[len(chain2)-1].Hash(), chainMan.CurrentBlock().Hash()) {
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| 		t.Error("chain2 is canonical and shouldn't be")
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| 	}
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| 
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| 	if !bytes.Equal(chain1[len(chain1)-1].Hash(), chainMan.CurrentBlock().Hash()) {
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| 		t.Error("chain1 isn't canonical and should be")
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| 	}
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| }
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| 
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| func TestChainMultipleInsertions(t *testing.T) {
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| 	db, _ := ethdb.NewMemDatabase()
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| 
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| 	const max = 4
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| 	chains := make([]types.Blocks, max)
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| 	var longest int
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| 	for i := 0; i < max; i++ {
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| 		var err error
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| 		name := "valid" + strconv.Itoa(i+1)
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| 		chains[i], err = loadChain(name, t)
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| 		if len(chains[i]) >= len(chains[longest]) {
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| 			longest = i
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| 		}
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| 		fmt.Println("loaded", name, "with a length of", len(chains[i]))
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| 		if err != nil {
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| 			fmt.Println(err)
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| 			t.FailNow()
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| 		}
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| 	}
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| 	var eventMux event.TypeMux
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| 	chainMan := NewChainManager(db, &eventMux)
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| 	txPool := NewTxPool(&eventMux)
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| 	blockMan := NewBlockProcessor(db, txPool, chainMan, &eventMux)
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| 	chainMan.SetProcessor(blockMan)
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| 	done := make(chan bool, max)
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| 	for i, chain := range chains {
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| 		// XXX the go routine would otherwise reference the same (chain[3]) variable and fail
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| 		i := i
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| 		chain := chain
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| 		go func() {
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| 			insertChain(done, chainMan, chain, t)
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| 			fmt.Println(i, "done")
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| 		}()
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| 	}
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| 
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| 	for i := 0; i < max; i++ {
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| 		<-done
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| 	}
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| 
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| 	if !bytes.Equal(chains[longest][len(chains[longest])-1].Hash(), chainMan.CurrentBlock().Hash()) {
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| 		t.Error("Invalid canonical chain")
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| 	}
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| }
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| 
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| func TestGetAncestors(t *testing.T) {
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| 	db, _ := ethdb.NewMemDatabase()
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| 	var eventMux event.TypeMux
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| 	chainMan := NewChainManager(db, &eventMux)
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| 	chain, err := loadChain("valid1", t)
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| 	if err != nil {
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| 		fmt.Println(err)
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| 		t.FailNow()
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| 	}
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| 
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| 	for _, block := range chain {
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| 		chainMan.write(block)
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| 	}
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| 
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| 	ancestors := chainMan.GetAncestors(chain[len(chain)-1], 4)
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| 	fmt.Println(ancestors)
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| }
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