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package blockpool
import (
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/pow"
)
func TestInvalidBlock(t *testing.T) {
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(2)
blockPoolTester.refBlockChain[2] = []int{}
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1.AddPeer()
go peer1.serveBlocks(2, 3)
go peer1.serveBlockHashes(3, 2, 1, 0)
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[2] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrInvalidBlock {
t.Errorf("wrong error, got %v, expected %v", peer1.peerErrors[0], ErrInvalidBlock)
}
} else {
t.Errorf("expected %v error, got %v", ErrInvalidBlock, peer1.peerErrors)
}
}
func TestVerifyPoW(t *testing.T) {
t.Skip() // :FIXME:
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(3)
first := false
blockPoolTester.blockPool.verifyPoW = func(b pow.Block) bool {
bb, _ := b.(*types.Block)
indexes := blockPoolTester.hashPool.HashesToIndexes([]common.Hash{bb.Hash()})
if indexes[0] == 2 && !first {
first = true
return false
} else {
return true
}
}
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer2 := blockPoolTester.newPeer("peer2", 1, 3)
peer1.AddPeer()
peer2.AddPeer()
go peer1.serveBlocks(2, 3)
go peer1.serveBlockHashes(3, 2, 1, 0)
peer1.serveBlocks(0, 1, 2, 3)
blockPoolTester.blockPool.verifyPoW = func(b pow.Block) bool {
return true
}
peer2.serveBlocks(1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[3] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrInvalidPoW {
t.Errorf("wrong error, expected %v, got %v", ErrInvalidPoW, peer1.peerErrors[0])
}
} else {
t.Errorf("expected %v error, got %v", ErrInvalidPoW, peer1.peerErrors)
}
}
func TestUnrequestedBlock(t *testing.T) {
t.Skip() // :FIXME:
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1.AddPeer()
peer1.sendBlocks(1, 2)
blockPool.Stop()
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrUnrequestedBlock {
t.Errorf("wrong error, got %v, expected %v", peer1.peerErrors[0], ErrUnrequestedBlock)
}
} else {
t.Errorf("expected %v error, got %v", ErrUnrequestedBlock, peer1.peerErrors)
}
}
func TestErrInsufficientChainInfo(t *testing.T) {
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPool.Config.BlockHashesTimeout = 100 * time.Millisecond
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1.AddPeer()
blockPool.Wait(waitTimeout)
blockPool.Stop()
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrInsufficientChainInfo {
t.Errorf("wrong error, got %v, expected %v", peer1.peerErrors[0], ErrInsufficientChainInfo)
}
} else {
t.Errorf("expected %v error, got %v", ErrInsufficientChainInfo, peer1.peerErrors)
}
}
func TestIncorrectTD(t *testing.T) {
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(3)
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 1, 3)
peer1.AddPeer()
go peer1.serveBlocks(2, 3)
go peer1.serveBlockHashes(3, 2, 1, 0)
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[3] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
if len(peer1.peerErrors) == 1 {
if peer1.peerErrors[0] != ErrIncorrectTD {
t.Errorf("wrong error, got %v, expected %v", peer1.peerErrors[0], ErrIncorrectTD)
}
} else {
t.Errorf("expected %v error, got %v", ErrIncorrectTD, peer1.peerErrors)
}
}
func TestSkipIncorrectTDonFutureBlocks(t *testing.T) {
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPoolTester.blockChain[0] = nil
blockPoolTester.initRefBlockChain(3)
blockPool.insertChain = func(blocks types.Blocks) error {
err := blockPoolTester.insertChain(blocks)
if err == nil {
for _, block := range blocks {
if block.Td.Cmp(common.Big3) == 0 {
block.Td = common.Big3
block.SetQueued(true)
break
}
}
}
return err
}
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 3, 3)
peer1.AddPeer()
go peer1.serveBlocks(2, 3)
go peer1.serveBlockHashes(3, 2, 1, 0)
peer1.serveBlocks(0, 1, 2)
blockPool.Wait(waitTimeout)
blockPool.Stop()
blockPoolTester.refBlockChain[3] = []int{}
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
if len(peer1.peerErrors) > 0 {
t.Errorf("expected no error, got %v (1 of %v)", peer1.peerErrors[0], len(peer1.peerErrors))
}
}
func TestPeerSuspension(t *testing.T) {
_, blockPool, blockPoolTester := newTestBlockPool(t)
blockPool.Config.PeerSuspensionInterval = 100 * time.Millisecond
blockPool.Start()
peer1 := blockPoolTester.newPeer("peer1", 3, 3)
peer1.AddPeer()
bestpeer, _ := blockPool.peers.getPeer("peer1")
if bestpeer == nil {
t.Errorf("peer1 not best peer")
return
}
peer1.serveBlocks(2, 3)
blockPool.peers.peerError("peer1", 0, "")
bestpeer, _ = blockPool.peers.getPeer("peer1")
if bestpeer != nil {
t.Errorf("peer1 not removed on error")
return
}
peer1.AddPeer()
bestpeer, _ = blockPool.peers.getPeer("peer1")
if bestpeer != nil {
t.Errorf("peer1 not removed on reconnect")
return
}
time.Sleep(100 * time.Millisecond)
peer1.AddPeer()
bestpeer, _ = blockPool.peers.getPeer("peer1")
if bestpeer == nil {
t.Errorf("peer1 not connected after PeerSuspensionInterval")
return
}
blockPool.Stop()
}
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