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path: root/core/blockchain_test.go
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-rw-r--r--core/blockchain_test.go162
1 files changed, 157 insertions, 5 deletions
diff --git a/core/blockchain_test.go b/core/blockchain_test.go
index 4d0f13ef1..93c2128bc 100644
--- a/core/blockchain_test.go
+++ b/core/blockchain_test.go
@@ -430,9 +430,12 @@ func makeBlockChainWithDiff(genesis *types.Block, d []int, seed byte) []*types.B
var chain []*types.Block
for i, difficulty := range d {
header := &types.Header{
- Coinbase: common.Address{seed},
- Number: big.NewInt(int64(i + 1)),
- Difficulty: big.NewInt(int64(difficulty)),
+ Coinbase: common.Address{seed},
+ Number: big.NewInt(int64(i + 1)),
+ Difficulty: big.NewInt(int64(difficulty)),
+ UncleHash: types.EmptyUncleHash,
+ TxHash: types.EmptyRootHash,
+ ReceiptHash: types.EmptyRootHash,
}
if i == 0 {
header.ParentHash = genesis.Hash()
@@ -668,6 +671,155 @@ func testInsertNonceError(t *testing.T, full bool) {
}
}
+// Tests that fast importing a block chain produces the same chain data as the
+// classical full block processing.
+func TestFastVsFullChains(t *testing.T) {
+ // Configure and generate a sample block chain
+ var (
+ gendb, _ = ethdb.NewMemDatabase()
+ key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+ address = crypto.PubkeyToAddress(key.PublicKey)
+ funds = big.NewInt(1000000000)
+ genesis = GenesisBlockForTesting(gendb, address, funds)
+ )
+ blocks, receipts := GenerateChain(genesis, gendb, 1024, func(i int, block *BlockGen) {
+ block.SetCoinbase(common.Address{0x00})
+
+ // If the block number is multiple of 3, send a few bonus transactions to the miner
+ if i%3 == 2 {
+ for j := 0; j < i%4+1; j++ {
+ tx, err := types.NewTransaction(block.TxNonce(address), common.Address{0x00}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key)
+ if err != nil {
+ panic(err)
+ }
+ block.AddTx(tx)
+ }
+ }
+ // If the block number is a multiple of 5, add a few bonus uncles to the block
+ if i%5 == 5 {
+ block.AddUncle(&types.Header{ParentHash: block.PrevBlock(i - 1).Hash(), Number: big.NewInt(int64(i - 1))})
+ }
+ })
+ // Import the chain as an archive node for the comparison baseline
+ archiveDb, _ := ethdb.NewMemDatabase()
+ WriteGenesisBlockForTesting(archiveDb, GenesisAccount{address, funds})
+
+ archive, _ := NewBlockChain(archiveDb, FakePow{}, new(event.TypeMux))
+ archive.SetProcessor(NewBlockProcessor(archiveDb, FakePow{}, archive, new(event.TypeMux)))
+
+ if n, err := archive.InsertChain(blocks); err != nil {
+ t.Fatalf("failed to process block %d: %v", n, err)
+ }
+ // Fast import the chain as a non-archive node to test
+ fastDb, _ := ethdb.NewMemDatabase()
+ WriteGenesisBlockForTesting(fastDb, GenesisAccount{address, funds})
+ fast, _ := NewBlockChain(fastDb, FakePow{}, new(event.TypeMux))
+
+ headers := make([]*types.Header, len(blocks))
+ for i, block := range blocks {
+ headers[i] = block.Header()
+ }
+ if n, err := fast.InsertHeaderChain(headers, true); err != nil {
+ t.Fatalf("failed to insert header %d: %v", n, err)
+ }
+ if n, err := fast.InsertReceiptChain(blocks, receipts); err != nil {
+ t.Fatalf("failed to insert receipt %d: %v", n, err)
+ }
+ // Iterate over all chain data components, and cross reference
+ for i := 0; i < len(blocks); i++ {
+ num, hash := blocks[i].NumberU64(), blocks[i].Hash()
+
+ if ftd, atd := fast.GetTd(hash), archive.GetTd(hash); ftd.Cmp(atd) != 0 {
+ t.Errorf("block #%d [%x]: td mismatch: have %v, want %v", num, hash, ftd, atd)
+ }
+ if fheader, aheader := fast.GetHeader(hash), archive.GetHeader(hash); fheader.Hash() != aheader.Hash() {
+ t.Errorf("block #%d [%x]: header mismatch: have %v, want %v", num, hash, fheader, aheader)
+ }
+ if fblock, ablock := fast.GetBlock(hash), archive.GetBlock(hash); fblock.Hash() != ablock.Hash() {
+ t.Errorf("block #%d [%x]: block mismatch: have %v, want %v", num, hash, fblock, ablock)
+ } else if types.DeriveSha(fblock.Transactions()) != types.DeriveSha(ablock.Transactions()) {
+ t.Errorf("block #%d [%x]: transactions mismatch: have %v, want %v", num, hash, fblock.Transactions(), ablock.Transactions())
+ } else if types.CalcUncleHash(fblock.Uncles()) != types.CalcUncleHash(ablock.Uncles()) {
+ t.Errorf("block #%d [%x]: uncles mismatch: have %v, want %v", num, hash, fblock.Uncles(), ablock.Uncles())
+ }
+ if freceipts, areceipts := GetBlockReceipts(fastDb, hash), GetBlockReceipts(archiveDb, hash); types.DeriveSha(freceipts) != types.DeriveSha(areceipts) {
+ t.Errorf("block #%d [%x]: receipts mismatch: have %v, want %v", num, hash, freceipts, areceipts)
+ }
+ }
+ // Check that the canonical chains are the same between the databases
+ for i := 0; i < len(blocks)+1; i++ {
+ if fhash, ahash := GetCanonicalHash(fastDb, uint64(i)), GetCanonicalHash(archiveDb, uint64(i)); fhash != ahash {
+ t.Errorf("block #%d: canonical hash mismatch: have %v, want %v", i, fhash, ahash)
+ }
+ }
+}
+
+// Tests that various import methods move the chain head pointers to the correct
+// positions.
+func TestLightVsFastVsFullChainHeads(t *testing.T) {
+ // Configure and generate a sample block chain
+ var (
+ gendb, _ = ethdb.NewMemDatabase()
+ key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
+ address = crypto.PubkeyToAddress(key.PublicKey)
+ funds = big.NewInt(1000000000)
+ genesis = GenesisBlockForTesting(gendb, address, funds)
+ )
+ height := uint64(1024)
+ blocks, receipts := GenerateChain(genesis, gendb, int(height), nil)
+
+ // Create a small assertion method to check the three heads
+ assert := func(t *testing.T, kind string, chain *BlockChain, header uint64, fast uint64, block uint64) {
+ if num := chain.CurrentBlock().NumberU64(); num != block {
+ t.Errorf("%s head block mismatch: have #%v, want #%v", kind, num, block)
+ }
+ if num := chain.CurrentFastBlock().NumberU64(); num != fast {
+ t.Errorf("%s head fast-block mismatch: have #%v, want #%v", kind, num, fast)
+ }
+ if num := chain.CurrentHeader().Number.Uint64(); num != header {
+ t.Errorf("%s head header mismatch: have #%v, want #%v", kind, num, header)
+ }
+ }
+ // Import the chain as an archive node and ensure all pointers are updated
+ archiveDb, _ := ethdb.NewMemDatabase()
+ WriteGenesisBlockForTesting(archiveDb, GenesisAccount{address, funds})
+
+ archive, _ := NewBlockChain(archiveDb, FakePow{}, new(event.TypeMux))
+ archive.SetProcessor(NewBlockProcessor(archiveDb, FakePow{}, archive, new(event.TypeMux)))
+
+ if n, err := archive.InsertChain(blocks); err != nil {
+ t.Fatalf("failed to process block %d: %v", n, err)
+ }
+ assert(t, "archive", archive, height, height, height)
+
+ // Import the chain as a non-archive node and ensure all pointers are updated
+ fastDb, _ := ethdb.NewMemDatabase()
+ WriteGenesisBlockForTesting(fastDb, GenesisAccount{address, funds})
+ fast, _ := NewBlockChain(fastDb, FakePow{}, new(event.TypeMux))
+
+ headers := make([]*types.Header, len(blocks))
+ for i, block := range blocks {
+ headers[i] = block.Header()
+ }
+ if n, err := fast.InsertHeaderChain(headers, true); err != nil {
+ t.Fatalf("failed to insert header %d: %v", n, err)
+ }
+ if n, err := fast.InsertReceiptChain(blocks, receipts); err != nil {
+ t.Fatalf("failed to insert receipt %d: %v", n, err)
+ }
+ assert(t, "fast", fast, height, height, 0)
+
+ // Import the chain as a light node and ensure all pointers are updated
+ lightDb, _ := ethdb.NewMemDatabase()
+ WriteGenesisBlockForTesting(lightDb, GenesisAccount{address, funds})
+ light, _ := NewBlockChain(lightDb, FakePow{}, new(event.TypeMux))
+
+ if n, err := light.InsertHeaderChain(headers, true); err != nil {
+ t.Fatalf("failed to insert header %d: %v", n, err)
+ }
+ assert(t, "light", light, height, 0, 0)
+}
+
// Tests that chain reorganizations handle transaction removals and reinsertions.
func TestChainTxReorgs(t *testing.T) {
params.MinGasLimit = big.NewInt(125000) // Minimum the gas limit may ever be.
@@ -704,7 +856,7 @@ func TestChainTxReorgs(t *testing.T) {
// - futureAdd: transaction added after the reorg has already finished
var pastAdd, freshAdd, futureAdd *types.Transaction
- chain := GenerateChain(genesis, db, 3, func(i int, gen *BlockGen) {
+ chain, _ := GenerateChain(genesis, db, 3, func(i int, gen *BlockGen) {
switch i {
case 0:
pastDrop, _ = types.NewTransaction(gen.TxNonce(addr2), addr2, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key2)
@@ -730,7 +882,7 @@ func TestChainTxReorgs(t *testing.T) {
}
// overwrite the old chain
- chain = GenerateChain(genesis, db, 5, func(i int, gen *BlockGen) {
+ chain, _ = GenerateChain(genesis, db, 5, func(i int, gen *BlockGen) {
switch i {
case 0:
pastAdd, _ = types.NewTransaction(gen.TxNonce(addr3), addr3, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(key3)
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 12:17:41 +0800