diff --git a/core/blockchain_test.go b/core/blockchain_test.go index 748cdc5c7..375823b57 100644 --- a/core/blockchain_test.go +++ b/core/blockchain_test.go @@ -1338,3 +1338,114 @@ func TestLargeReorgTrieGC(t *testing.T) { } } } + +// Benchmarks large blocks with value transfers to non-existing accounts +func benchmarkLargeNumberOfValueToNonexisting(b *testing.B, numTxs, numBlocks int, recipientFn func(uint64) common.Address, dataFn func(uint64) []byte) { + var ( + signer = types.HomesteadSigner{} + testBankKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") + testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey) + bankFunds = big.NewInt(100000000000000000) + gspec = Genesis{ + Config: params.TestChainConfig, + Alloc: GenesisAlloc{ + testBankAddress: {Balance: bankFunds}, + common.HexToAddress("0xc0de"): { + Code: []byte{0x60, 0x01, 0x50}, + Balance: big.NewInt(0), + }, // push 1, pop + }, + GasLimit: 100e6, // 100 M + } + ) + // Generate the original common chain segment and the two competing forks + engine := ethash.NewFaker() + db, _ := ethdb.NewMemDatabase() + genesis := gspec.MustCommit(db) + + blockGenerator := func(i int, block *BlockGen) { + block.SetCoinbase(common.Address{1}) + for txi := 0; txi < numTxs; txi++ { + uniq := uint64(i*numTxs + txi) + recipient := recipientFn(uniq) + //recipient := common.BigToAddress(big.NewInt(0).SetUint64(1337 + uniq)) + tx, err := types.SignTx(types.NewTransaction(uniq, recipient, big.NewInt(1), params.TxGas, big.NewInt(1), nil), signer, testBankKey) + if err != nil { + b.Error(err) + } + block.AddTx(tx) + } + } + + shared, _ := GenerateChain(params.TestChainConfig, genesis, engine, db, numBlocks, blockGenerator) + b.StopTimer() + b.ResetTimer() + for i := 0; i < b.N; i++ { + // Import the shared chain and the original canonical one + diskdb, _ := ethdb.NewMemDatabase() + gspec.MustCommit(diskdb) + + chain, err := NewBlockChain(diskdb, nil, params.TestChainConfig, engine, vm.Config{}) + if err != nil { + b.Fatalf("failed to create tester chain: %v", err) + } + b.StartTimer() + if _, err := chain.InsertChain(shared); err != nil { + b.Fatalf("failed to insert shared chain: %v", err) + } + b.StopTimer() + if got := chain.CurrentBlock().Transactions().Len(); got != numTxs*numBlocks { + b.Fatalf("Transactions were not included, expected %d, got %d", (numTxs * numBlocks), got) + + } + } +} +func BenchmarkBlockChain_1x1000ValueTransferToNonexisting(b *testing.B) { + var ( + numTxs = 1000 + numBlocks = 1 + ) + + recipientFn := func(nonce uint64) common.Address { + return common.BigToAddress(big.NewInt(0).SetUint64(1337 + nonce)) + } + dataFn := func(nonce uint64) []byte { + return nil + } + + benchmarkLargeNumberOfValueToNonexisting(b, numTxs, numBlocks, recipientFn, dataFn) +} +func BenchmarkBlockChain_1x1000ValueTransferToExisting(b *testing.B) { + var ( + numTxs = 1000 + numBlocks = 1 + ) + b.StopTimer() + b.ResetTimer() + + recipientFn := func(nonce uint64) common.Address { + return common.BigToAddress(big.NewInt(0).SetUint64(1337)) + } + dataFn := func(nonce uint64) []byte { + return nil + } + + benchmarkLargeNumberOfValueToNonexisting(b, numTxs, numBlocks, recipientFn, dataFn) +} +func BenchmarkBlockChain_1x1000Executions(b *testing.B) { + var ( + numTxs = 1000 + numBlocks = 1 + ) + b.StopTimer() + b.ResetTimer() + + recipientFn := func(nonce uint64) common.Address { + return common.BigToAddress(big.NewInt(0).SetUint64(0xc0de)) + } + dataFn := func(nonce uint64) []byte { + return nil + } + + benchmarkLargeNumberOfValueToNonexisting(b, numTxs, numBlocks, recipientFn, dataFn) +}