forked from cerc-io/plugeth
153 lines
3.4 KiB
Go
153 lines
3.4 KiB
Go
package core
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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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"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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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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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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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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return chain, nil
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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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func TestChainInsertions(t *testing.T) {
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t.Skip() // travil fails.
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db, _ := ethdb.NewMemDatabase()
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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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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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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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const max = 2
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done := make(chan bool, max)
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go insertChain(done, chainMan, chain1, t)
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go insertChain(done, chainMan, chain2, t)
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for i := 0; i < max; i++ {
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<-done
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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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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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func TestChainMultipleInsertions(t *testing.T) {
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t.Skip() // travil fails.
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db, _ := ethdb.NewMemDatabase()
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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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for i := 0; i < max; i++ {
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<-done
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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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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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for _, block := range chain {
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chainMan.write(block)
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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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