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path: root/les/handler_test.go
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-rw-r--r--les/handler_test.go158
1 files changed, 117 insertions, 41 deletions
diff --git a/les/handler_test.go b/les/handler_test.go
index e5446c031..9468032f6 100644
--- a/les/handler_test.go
+++ b/les/handler_test.go
@@ -17,7 +17,7 @@
package les
import (
- "bytes"
+ "encoding/binary"
"math/big"
"math/rand"
"testing"
@@ -45,27 +45,8 @@ func expectResponse(r p2p.MsgReader, msgcode, reqID, bv uint64, data interface{}
return p2p.ExpectMsg(r, msgcode, resp{reqID, bv, data})
}
-func testCheckProof(t *testing.T, exp *light.NodeSet, got light.NodeList) {
- if exp.KeyCount() > len(got) {
- t.Errorf("proof has fewer nodes than expected")
- return
- }
- if exp.KeyCount() < len(got) {
- t.Errorf("proof has more nodes than expected")
- return
- }
- for _, node := range got {
- n, _ := exp.Get(crypto.Keccak256(node))
- if !bytes.Equal(n, node) {
- t.Errorf("proof contents mismatch")
- return
- }
- }
-}
-
// Tests that block headers can be retrieved from a remote chain based on user queries.
func TestGetBlockHeadersLes1(t *testing.T) { testGetBlockHeaders(t, 1) }
-
func TestGetBlockHeadersLes2(t *testing.T) { testGetBlockHeaders(t, 2) }
func testGetBlockHeaders(t *testing.T, protocol int) {
@@ -196,7 +177,6 @@ func testGetBlockHeaders(t *testing.T, protocol int) {
// Tests that block contents can be retrieved from a remote chain based on their hashes.
func TestGetBlockBodiesLes1(t *testing.T) { testGetBlockBodies(t, 1) }
-
func TestGetBlockBodiesLes2(t *testing.T) { testGetBlockBodies(t, 2) }
func testGetBlockBodies(t *testing.T, protocol int) {
@@ -274,7 +254,6 @@ func testGetBlockBodies(t *testing.T, protocol int) {
// Tests that the contract codes can be retrieved based on account addresses.
func TestGetCodeLes1(t *testing.T) { testGetCode(t, 1) }
-
func TestGetCodeLes2(t *testing.T) { testGetCode(t, 2) }
func testGetCode(t *testing.T, protocol int) {
@@ -309,7 +288,6 @@ func testGetCode(t *testing.T, protocol int) {
// Tests that the transaction receipts can be retrieved based on hashes.
func TestGetReceiptLes1(t *testing.T) { testGetReceipt(t, 1) }
-
func TestGetReceiptLes2(t *testing.T) { testGetReceipt(t, 2) }
func testGetReceipt(t *testing.T, protocol int) {
@@ -338,7 +316,6 @@ func testGetReceipt(t *testing.T, protocol int) {
// Tests that trie merkle proofs can be retrieved
func TestGetProofsLes1(t *testing.T) { testGetProofs(t, 1) }
-
func TestGetProofsLes2(t *testing.T) { testGetProofs(t, 2) }
func testGetProofs(t *testing.T, protocol int) {
@@ -389,27 +366,126 @@ func testGetProofs(t *testing.T, protocol int) {
case 2:
cost := peer.GetRequestCost(GetProofsV2Msg, len(proofreqs))
sendRequest(peer.app, GetProofsV2Msg, 42, cost, proofreqs)
- msg, err := peer.app.ReadMsg()
- if err != nil {
- t.Errorf("Message read error: %v", err)
- }
- var resp struct {
- ReqID, BV uint64
- Data light.NodeList
- }
- if err := msg.Decode(&resp); err != nil {
- t.Errorf("reply decode error: %v", err)
+ if err := expectResponse(peer.app, ProofsV2Msg, 42, testBufLimit, proofsV2.NodeList()); err != nil {
+ t.Errorf("proofs mismatch: %v", err)
}
- if msg.Code != ProofsV2Msg {
- t.Errorf("Message code mismatch")
+ }
+}
+
+// Tests that CHT proofs can be correctly retrieved.
+func TestGetCHTProofsLes1(t *testing.T) { testGetCHTProofs(t, 1) }
+func TestGetCHTProofsLes2(t *testing.T) { testGetCHTProofs(t, 2) }
+
+func testGetCHTProofs(t *testing.T, protocol int) {
+ // Figure out the client's CHT frequency
+ frequency := uint64(light.CHTFrequencyClient)
+ if protocol == 1 {
+ frequency = uint64(light.CHTFrequencyServer)
+ }
+ // Assemble the test environment
+ db, _ := ethdb.NewMemDatabase()
+ pm := newTestProtocolManagerMust(t, false, int(frequency)+light.HelperTrieProcessConfirmations, testChainGen, nil, nil, db)
+ bc := pm.blockchain.(*core.BlockChain)
+ peer, _ := newTestPeer(t, "peer", protocol, pm, true)
+ defer peer.close()
+
+ // Wait a while for the CHT indexer to process the new headers
+ time.Sleep(100 * time.Millisecond * time.Duration(frequency/light.CHTFrequencyServer)) // Chain indexer throttling
+ time.Sleep(250 * time.Millisecond) // CI tester slack
+
+ // Assemble the proofs from the different protocols
+ header := bc.GetHeaderByNumber(frequency)
+ rlp, _ := rlp.EncodeToBytes(header)
+
+ key := make([]byte, 8)
+ binary.BigEndian.PutUint64(key, frequency)
+
+ proofsV1 := []ChtResp{{
+ Header: header,
+ }}
+ proofsV2 := HelperTrieResps{
+ AuxData: [][]byte{rlp},
+ }
+ switch protocol {
+ case 1:
+ root := light.GetChtRoot(db, 0, bc.GetHeaderByNumber(frequency-1).Hash())
+ trie, _ := trie.New(root, trie.NewDatabase(ethdb.NewTable(db, light.ChtTablePrefix)))
+
+ var proof light.NodeList
+ trie.Prove(key, 0, &proof)
+ proofsV1[0].Proof = proof
+
+ case 2:
+ root := light.GetChtV2Root(db, 0, bc.GetHeaderByNumber(frequency-1).Hash())
+ trie, _ := trie.New(root, trie.NewDatabase(ethdb.NewTable(db, light.ChtTablePrefix)))
+ trie.Prove(key, 0, &proofsV2.Proofs)
+ }
+ // Assemble the requests for the different protocols
+ requestsV1 := []ChtReq{{
+ ChtNum: 1,
+ BlockNum: frequency,
+ }}
+ requestsV2 := []HelperTrieReq{{
+ Type: htCanonical,
+ TrieIdx: 0,
+ Key: key,
+ AuxReq: auxHeader,
+ }}
+ // Send the proof request and verify the response
+ switch protocol {
+ case 1:
+ cost := peer.GetRequestCost(GetHeaderProofsMsg, len(requestsV1))
+ sendRequest(peer.app, GetHeaderProofsMsg, 42, cost, requestsV1)
+ if err := expectResponse(peer.app, HeaderProofsMsg, 42, testBufLimit, proofsV1); err != nil {
+ t.Errorf("proofs mismatch: %v", err)
}
- if resp.ReqID != 42 {
- t.Errorf("ReqID mismatch")
+ case 2:
+ cost := peer.GetRequestCost(GetHelperTrieProofsMsg, len(requestsV2))
+ sendRequest(peer.app, GetHelperTrieProofsMsg, 42, cost, requestsV2)
+ if err := expectResponse(peer.app, HelperTrieProofsMsg, 42, testBufLimit, proofsV2); err != nil {
+ t.Errorf("proofs mismatch: %v", err)
}
- if resp.BV != testBufLimit {
- t.Errorf("BV mismatch")
+ }
+}
+
+// Tests that bloombits proofs can be correctly retrieved.
+func TestGetBloombitsProofs(t *testing.T) {
+ // Assemble the test environment
+ db, _ := ethdb.NewMemDatabase()
+ pm := newTestProtocolManagerMust(t, false, light.BloomTrieFrequency+256, testChainGen, nil, nil, db)
+ bc := pm.blockchain.(*core.BlockChain)
+ peer, _ := newTestPeer(t, "peer", 2, pm, true)
+ defer peer.close()
+
+ // Wait a while for the bloombits indexer to process the new headers
+ time.Sleep(100 * time.Millisecond * time.Duration(light.BloomTrieFrequency/4096)) // Chain indexer throttling
+ time.Sleep(250 * time.Millisecond) // CI tester slack
+
+ // Request and verify each bit of the bloom bits proofs
+ for bit := 0; bit < 2048; bit++ {
+ // Assemble therequest and proofs for the bloombits
+ key := make([]byte, 10)
+
+ binary.BigEndian.PutUint16(key[:2], uint16(bit))
+ binary.BigEndian.PutUint64(key[2:], uint64(light.BloomTrieFrequency))
+
+ requests := []HelperTrieReq{{
+ Type: htBloomBits,
+ TrieIdx: 0,
+ Key: key,
+ }}
+ var proofs HelperTrieResps
+
+ root := light.GetBloomTrieRoot(db, 0, bc.GetHeaderByNumber(light.BloomTrieFrequency-1).Hash())
+ trie, _ := trie.New(root, trie.NewDatabase(ethdb.NewTable(db, light.BloomTrieTablePrefix)))
+ trie.Prove(key, 0, &proofs.Proofs)
+
+ // Send the proof request and verify the response
+ cost := peer.GetRequestCost(GetHelperTrieProofsMsg, len(requests))
+ sendRequest(peer.app, GetHelperTrieProofsMsg, 42, cost, requests)
+ if err := expectResponse(peer.app, HelperTrieProofsMsg, 42, testBufLimit, proofs); err != nil {
+ t.Errorf("bit %d: proofs mismatch: %v", bit, err)
}
- testCheckProof(t, proofsV2, resp.Data)
}
}