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les: implement ultralight client (#16904)

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For more information about this light client mode, read
https://hackmd.io/s/HJy7jjZpm
This commit is contained in:
b00ris
2019-01-24 14:18:26 +03:00
committed by Felix Lange
parent b8f9b3779f
commit 769657060e
23 changed files with 1288 additions and 179 deletions
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14
les/helper_test.go
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@ -146,7 +146,7 @@ func testRCL() RequestCostList {
// newTestProtocolManager creates a new protocol manager for testing purposes,
// with the given number of blocks already known, potential notification
// channels for different events and relative chain indexers array.
func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *core.BlockGen), odr *LesOdr, peers *peerSet, db ethdb.Database) (*ProtocolManager, error) {
func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *core.BlockGen), odr *LesOdr, peers *peerSet, db ethdb.Database, ulcConfig *eth.ULCConfig) (*ProtocolManager, error) {
var (
evmux = new(event.TypeMux)
engine = ethash.NewFaker()
@ -176,7 +176,7 @@ func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *cor
if lightSync {
indexConfig = light.TestClientIndexerConfig
}
pm, err := NewProtocolManager(gspec.Config, indexConfig, lightSync, NetworkId, evmux, engine, peers, chain, nil, db, odr, nil, nil, make(chan struct{}), new(sync.WaitGroup))
pm, err := NewProtocolManager(gspec.Config, indexConfig, lightSync, NetworkId, evmux, engine, peers, chain, nil, db, odr, nil, nil, make(chan struct{}), new(sync.WaitGroup), ulcConfig)
if err != nil {
return nil, err
}
@ -200,8 +200,8 @@ func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *cor
// with the given number of blocks already known, potential notification
// channels for different events and relative chain indexers array. In case of an error, the constructor force-
// fails the test.
func newTestProtocolManagerMust(t *testing.T, lightSync bool, blocks int, generator func(int, *core.BlockGen), odr *LesOdr, peers *peerSet, db ethdb.Database) *ProtocolManager {
pm, err := newTestProtocolManager(lightSync, blocks, generator, odr, peers, db)
func newTestProtocolManagerMust(t *testing.T, lightSync bool, blocks int, generator func(int, *core.BlockGen), odr *LesOdr, peers *peerSet, db ethdb.Database, ulcConfig *eth.ULCConfig) *ProtocolManager {
pm, err := newTestProtocolManager(lightSync, blocks, generator, odr, peers, db, ulcConfig)
if err != nil {
t.Fatalf("Failed to create protocol manager: %v", err)
}
@ -343,7 +343,7 @@ func newServerEnv(t *testing.T, blocks int, protocol int, waitIndexers func(*cor
db := ethdb.NewMemDatabase()
cIndexer, bIndexer, btIndexer := testIndexers(db, nil, light.TestServerIndexerConfig)
pm := newTestProtocolManagerMust(t, false, blocks, testChainGen, nil, nil, db)
pm := newTestProtocolManagerMust(t, false, blocks, testChainGen, nil, nil, db, nil)
peer, _ := newTestPeer(t, "peer", protocol, pm, true)
cIndexer.Start(pm.blockchain.(*core.BlockChain))
@ -383,8 +383,8 @@ func newClientServerEnv(t *testing.T, blocks int, protocol int, waitIndexers fun
lcIndexer, lbIndexer, lbtIndexer := testIndexers(ldb, odr, light.TestClientIndexerConfig)
odr.SetIndexers(lcIndexer, lbtIndexer, lbIndexer)
pm := newTestProtocolManagerMust(t, false, blocks, testChainGen, nil, peers, db)
lpm := newTestProtocolManagerMust(t, true, 0, nil, odr, lPeers, ldb)
pm := newTestProtocolManagerMust(t, false, blocks, testChainGen, nil, peers, db, nil)
lpm := newTestProtocolManagerMust(t, true, 0, nil, odr, lPeers, ldb, nil)
startIndexers := func(clientMode bool, pm *ProtocolManager) {
if clientMode {