mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-25 12:57:17 +00:00
422490d75c
- blockpool moves to its own package - uses errs pkg for its own coded errors - publicly settable config of params (time intervals and batchsizes) - test helpers in subpackage - optional TD in blocks used now to update peers chain info - major improvement in algorithm - fix fragility and sync/parallelisation bugs - implement status for reporting on sync status (peers/hashes/blocks etc) - several tests added and further corner cases covered
480 lines
16 KiB
Go
480 lines
16 KiB
Go
package blockpool
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import (
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/blockpool/test"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/ethutil"
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)
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func TestPeerWithKnownBlock(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.refBlockChain[0] = nil
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blockPoolTester.blockChain[0] = nil
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blockPool.Start()
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peer0 := blockPoolTester.newPeer("0", 1, 0)
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peer0.AddPeer()
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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// no request on known block
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peer0.checkBlockHashesRequests()
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}
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func TestPeerWithKnownParentBlock(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.initRefBlockChain(1)
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blockPoolTester.blockChain[0] = nil
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blockPool.Start()
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peer0 := blockPoolTester.newPeer("0", 1, 1)
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peer0.AddPeer()
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peer0.serveBlocks(0, 1)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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peer0.checkBlocksRequests([]int{1})
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peer0.checkBlockHashesRequests()
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blockPoolTester.refBlockChain[1] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestPeerPromotionByOptionalTdOnBlock(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(4)
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peer0 := blockPoolTester.newPeer("peer0", 2, 2)
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peer1 := blockPoolTester.newPeer("peer1", 1, 1)
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peer2 := blockPoolTester.newPeer("peer2", 3, 4)
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blockPool.Start()
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// pool
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peer0.AddPeer()
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peer0.serveBlocks(1, 2)
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best := peer1.AddPeer()
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// this tests that peer1 is not promoted over peer0 yet
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if best {
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t.Errorf("peer1 (TD=1) should not be set as best")
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}
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best = peer2.AddPeer()
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peer2.serveBlocks(3, 4)
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peer2.serveBlockHashes(4, 3, 2, 1)
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hashes := blockPoolTester.hashPool.IndexesToHashes([]int{2, 3})
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peer1.waitBlocksRequests(3)
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blockPool.AddBlock(&types.Block{
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HeaderHash: ethutil.Bytes(hashes[1]),
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ParentHeaderHash: ethutil.Bytes(hashes[0]),
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Td: ethutil.Big3,
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}, "peer1")
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blockPool.RemovePeer("peer2")
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if blockPool.peers.best.id != "peer1" {
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t.Errorf("peer1 (TD=3) should be set as best")
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}
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peer1.serveBlocks(0, 1, 2)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[4] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestSimpleChain(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(2)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 2)
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peer1.AddPeer()
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peer1.serveBlocks(1, 2)
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go peer1.serveBlockHashes(2, 1, 0)
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peer1.serveBlocks(0, 1)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[2] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestChainConnectingWithParentHash(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(3)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 3)
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peer1.AddPeer()
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go peer1.serveBlocks(2, 3)
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go peer1.serveBlockHashes(3, 2, 1)
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peer1.serveBlocks(0, 1, 2)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[3] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestMultiSectionChain(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(5)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 5)
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peer1.AddPeer()
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go peer1.serveBlocks(4, 5)
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go peer1.serveBlockHashes(5, 4, 3)
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go peer1.serveBlocks(2, 3, 4)
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go peer1.serveBlockHashes(3, 2, 1, 0)
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peer1.serveBlocks(0, 1, 2)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[5] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestNewBlocksOnPartialChain(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(7)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 5)
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peer1.AddPeer()
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go peer1.serveBlocks(4, 5) // partially complete section
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go peer1.serveBlockHashes(5, 4, 3)
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peer1.serveBlocks(3, 4) // partially complete section
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// peer1 found new blocks
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peer1.td = 2
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peer1.currentBlock = 7
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peer1.AddPeer()
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peer1.sendBlocks(6, 7)
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go peer1.serveBlockHashes(7, 6, 5)
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go peer1.serveBlocks(2, 3)
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go peer1.serveBlocks(5, 6)
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go peer1.serveBlockHashes(3, 2, 1) // tests that hash request from known chain root is remembered
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peer1.serveBlocks(0, 1, 2)
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// blockPool.RemovePeer("peer1")
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[7] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestPeerSwitchUp(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(7)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 6)
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peer2 := blockPoolTester.newPeer("peer2", 2, 7)
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peer1.AddPeer()
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go peer1.serveBlocks(5, 6)
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go peer1.serveBlockHashes(6, 5, 4, 3) //
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peer1.serveBlocks(2, 3) // section partially complete, block 3 will be preserved after peer demoted
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peer2.AddPeer() // peer2 is promoted as best peer, peer1 is demoted
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go peer2.serveBlocks(6, 7)
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// go peer2.serveBlockHashes(7, 6) //
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go peer2.serveBlocks(4, 5) // tests that block request for earlier section is remembered
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go peer1.serveBlocks(3, 4) // tests that connecting section by demoted peer is remembered and blocks are accepted from demoted peer
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go peer2.serveBlockHashes(3, 2, 1, 0) // tests that known chain section is activated, hash requests from 3 is remembered
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peer2.serveBlocks(0, 1, 2) // final blocks linking to blockchain sent
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[7] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestPeerSwitchDownOverlapSectionWithoutRootBlock(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(6)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 4)
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peer2 := blockPoolTester.newPeer("peer2", 2, 6)
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peer2.AddPeer()
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peer2.serveBlocks(5, 6) // partially complete, section will be preserved
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peer2.serveBlockHashes(6, 5, 4) // no go: make sure skeleton is created
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peer1.AddPeer() // inferior peer1 is promoted as best peer
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blockPool.RemovePeer("peer2") // peer2 disconnects
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go peer1.serveBlockHashes(4, 3, 2, 1, 0) //
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go peer1.serveBlocks(3, 4) //
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go peer1.serveBlocks(4, 5) // tests that section set by demoted peer is remembered and blocks are accepted from new peer if they have it even if peers original TD is lower
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peer1.serveBlocks(0, 1, 2, 3)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[6] = []int{} // tests that idle sections are not inserted in blockchain
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestPeerSwitchDownOverlapSectionWithRootBlock(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(6)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 4)
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peer2 := blockPoolTester.newPeer("peer2", 2, 6)
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peer2.AddPeer()
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peer2.serveBlocks(5, 6) // partially complete, section will be preserved
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go peer2.serveBlockHashes(6, 5, 4) //
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peer2.serveBlocks(3, 4) // !incomplete section
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time.Sleep(100 * time.Millisecond) // make sure block 4 added
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peer1.AddPeer() // inferior peer1 is promoted as best peer
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blockPool.RemovePeer("peer2") // peer2 disconnects
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go peer1.serveBlockHashes(4, 3, 2, 1, 0) // tests that hash request are directly connecting if the head block exists
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go peer1.serveBlocks(4, 5) // tests that section set by demoted peer is remembered and blocks are accepted from new peer if they have it even if peers original TD is lower
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peer1.serveBlocks(0, 1, 2, 3)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[6] = []int{} // tests that idle sections are not inserted in blockchain
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestPeerSwitchDownDisjointSection(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(3)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 3)
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peer2 := blockPoolTester.newPeer("peer2", 2, 6)
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peer2.AddPeer()
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peer2.serveBlocks(5, 6) // partially complete, section will be preserved
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go peer2.serveBlockHashes(6, 5, 4) //
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peer2.serveBlocks(3, 4, 5) //
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time.Sleep(100 * time.Millisecond) // make sure blocks are received
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peer1.AddPeer() // inferior peer1 is promoted as best peer
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blockPool.RemovePeer("peer2") // peer2 disconnects
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go peer1.serveBlocks(2, 3) //
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go peer1.serveBlockHashes(3, 2, 1) //
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peer1.serveBlocks(0, 1, 2) //
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[3] = []int{} // tests that idle sections are not inserted in blockchain
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestPeerSwitchBack(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(8)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 2, 11)
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peer2 := blockPoolTester.newPeer("peer2", 1, 8)
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peer2.AddPeer()
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go peer2.serveBlocks(7, 8)
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go peer2.serveBlockHashes(8, 7, 6)
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go peer2.serveBlockHashes(6, 5, 4)
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peer2.serveBlocks(4, 5) // section partially complete
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peer1.AddPeer() // peer1 is promoted as best peer
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go peer1.serveBlocks(10, 11) //
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peer1.serveBlockHashes(11, 10) // only gives useless results
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blockPool.RemovePeer("peer1") // peer1 disconnects
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go peer2.serveBlockHashes(4, 3, 2, 1, 0) // tests that asking for hashes from 4 is remembered
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go peer2.serveBlocks(3, 4, 5, 6, 7, 8) // tests that section 4, 5, 6 and 7, 8 are remembered for missing blocks
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peer2.serveBlocks(0, 1, 2, 3)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[8] = []int{}
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestForkSimple(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(9)
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blockPoolTester.refBlockChain[3] = []int{4, 7}
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delete(blockPoolTester.refBlockChain, 6)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 9)
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peer2 := blockPoolTester.newPeer("peer2", 2, 6)
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peer1.AddPeer()
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go peer1.serveBlocks(8, 9)
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go peer1.serveBlockHashes(9, 8, 7, 3, 2)
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peer1.serveBlocks(1, 2, 3, 7, 8)
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peer2.AddPeer() // peer2 is promoted as best peer
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go peer2.serveBlocks(5, 6) //
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go peer2.serveBlockHashes(6, 5, 4, 3, 2) // fork on 3 -> 4 (earlier child: 7)
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go peer2.serveBlocks(1, 2, 3, 4, 5)
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go peer2.serveBlockHashes(2, 1, 0)
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peer2.serveBlocks(0, 1, 2)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[6] = []int{}
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blockPoolTester.refBlockChain[3] = []int{4}
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delete(blockPoolTester.refBlockChain, 7)
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delete(blockPoolTester.refBlockChain, 8)
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delete(blockPoolTester.refBlockChain, 9)
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestForkSwitchBackByNewBlocks(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(11)
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blockPoolTester.refBlockChain[3] = []int{4, 7}
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delete(blockPoolTester.refBlockChain, 6)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 9)
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peer2 := blockPoolTester.newPeer("peer2", 2, 6)
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peer1.AddPeer()
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go peer1.serveBlocks(8, 9) //
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go peer1.serveBlockHashes(9, 8, 7, 3, 2) //
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peer1.serveBlocks(7, 8) // partial section
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// time.Sleep(1 * time.Second)
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peer2.AddPeer() //
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go peer2.serveBlocks(5, 6) //
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go peer2.serveBlockHashes(6, 5, 4, 3, 2) // peer2 forks on block 3
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peer2.serveBlocks(1, 2, 3, 4, 5) //
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// peer1 finds new blocks
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peer1.td = 3
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peer1.currentBlock = 11
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peer1.AddPeer()
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go peer1.serveBlocks(10, 11)
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go peer1.serveBlockHashes(11, 10, 9)
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go peer1.serveBlocks(9, 10)
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// time.Sleep(1 * time.Second)
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go peer1.serveBlocks(3, 7) // tests that block requests on earlier fork are remembered
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go peer1.serveBlockHashes(2, 1) // tests that hash request from root of connecting chain section (added by demoted peer) is remembered
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peer1.serveBlocks(0, 1)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[11] = []int{}
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blockPoolTester.refBlockChain[3] = []int{7}
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delete(blockPoolTester.refBlockChain, 6)
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delete(blockPoolTester.refBlockChain, 5)
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delete(blockPoolTester.refBlockChain, 4)
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestForkSwitchBackByPeerSwitchBack(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
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blockPoolTester.blockChain[0] = nil
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blockPoolTester.initRefBlockChain(9)
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blockPoolTester.refBlockChain[3] = []int{4, 7}
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delete(blockPoolTester.refBlockChain, 6)
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blockPool.Start()
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peer1 := blockPoolTester.newPeer("peer1", 1, 9)
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peer2 := blockPoolTester.newPeer("peer2", 2, 6)
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peer1.AddPeer()
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go peer1.serveBlocks(8, 9)
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go peer1.serveBlockHashes(9, 8, 7, 3, 2)
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peer1.serveBlocks(7, 8)
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peer2.AddPeer()
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go peer2.serveBlocks(5, 6) //
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go peer2.serveBlockHashes(6, 5, 4, 3, 2) // peer2 forks on block 3
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peer2.serveBlocks(2, 3, 4, 5) //
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blockPool.RemovePeer("peer2") // peer2 disconnects, peer1 is promoted again as best peer
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go peer1.serveBlocks(1, 2) //
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go peer1.serveBlockHashes(2, 1, 0) //
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go peer1.serveBlocks(3, 7) // tests that block requests on earlier fork are remembered and orphan section relinks to existing parent block
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peer1.serveBlocks(0, 1)
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blockPool.Wait(waitTimeout)
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blockPool.Stop()
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blockPoolTester.refBlockChain[9] = []int{}
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blockPoolTester.refBlockChain[3] = []int{7}
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delete(blockPoolTester.refBlockChain, 6)
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delete(blockPoolTester.refBlockChain, 5)
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delete(blockPoolTester.refBlockChain, 4)
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blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
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}
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func TestForkCompleteSectionSwitchBackByPeerSwitchBack(t *testing.T) {
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test.LogInit()
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_, blockPool, blockPoolTester := newTestBlockPool(t)
|
|
blockPoolTester.blockChain[0] = nil
|
|
blockPoolTester.initRefBlockChain(9)
|
|
blockPoolTester.refBlockChain[3] = []int{4, 7}
|
|
delete(blockPoolTester.refBlockChain, 6)
|
|
|
|
blockPool.Start()
|
|
|
|
peer1 := blockPoolTester.newPeer("peer1", 1, 9)
|
|
peer2 := blockPoolTester.newPeer("peer2", 2, 6)
|
|
|
|
peer1.AddPeer()
|
|
go peer1.serveBlocks(8, 9)
|
|
go peer1.serveBlockHashes(9, 8, 7)
|
|
peer1.serveBlocks(3, 7, 8) // make sure this section is complete
|
|
time.Sleep(1 * time.Second)
|
|
go peer1.serveBlockHashes(7, 3, 2) // block 3/7 is section boundary
|
|
peer1.serveBlocks(2, 3) // partially complete sections block 2 missing
|
|
peer2.AddPeer() //
|
|
go peer2.serveBlocks(5, 6) //
|
|
go peer2.serveBlockHashes(6, 5, 4, 3, 2) // peer2 forks on block 3
|
|
peer2.serveBlocks(2, 3, 4, 5) // block 2 still missing.
|
|
blockPool.RemovePeer("peer2") // peer2 disconnects, peer1 is promoted again as best peer
|
|
// peer1.serveBlockHashes(7, 3) // tests that hash request from fork root is remembered even though section process completed
|
|
go peer1.serveBlockHashes(2, 1, 0) //
|
|
peer1.serveBlocks(0, 1, 2)
|
|
|
|
blockPool.Wait(waitTimeout)
|
|
blockPool.Stop()
|
|
blockPoolTester.refBlockChain[9] = []int{}
|
|
blockPoolTester.refBlockChain[3] = []int{7}
|
|
delete(blockPoolTester.refBlockChain, 6)
|
|
delete(blockPoolTester.refBlockChain, 5)
|
|
delete(blockPoolTester.refBlockChain, 4)
|
|
blockPoolTester.checkBlockChain(blockPoolTester.refBlockChain)
|
|
|
|
}
|