neo-go/pkg/core/blockchain_test.go
Roman Khimov d5d570f793 uint256: add Reverse(), change String() to be BE
This one makes a little more obvious that we're operating with LE
representations mostly. Refs. #307. See #314 also.
2019-08-26 13:32:19 +03:00

195 lines
4.8 KiB
Go

package core
import (
"context"
"testing"
"github.com/CityOfZion/neo-go/config"
"github.com/CityOfZion/neo-go/pkg/core/storage"
"github.com/CityOfZion/neo-go/pkg/core/transaction"
"github.com/CityOfZion/neo-go/pkg/util"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestAddHeaders(t *testing.T) {
bc := newTestChain(t)
h1 := newBlock(1).Header()
h2 := newBlock(2).Header()
h3 := newBlock(3).Header()
if err := bc.AddHeaders(h1, h2, h3); err != nil {
t.Fatal(err)
}
assert.Equal(t, 0, bc.blockCache.Len())
assert.Equal(t, h3.Index, bc.HeaderHeight())
assert.Equal(t, uint32(0), bc.BlockHeight())
assert.Equal(t, h3.Hash(), bc.CurrentHeaderHash())
// Add them again, they should not be added.
if err := bc.AddHeaders(h3, h2, h1); err != nil {
t.Fatal(err)
}
assert.Equal(t, h3.Index, bc.HeaderHeight())
assert.Equal(t, uint32(0), bc.BlockHeight())
assert.Equal(t, h3.Hash(), bc.CurrentHeaderHash())
}
func TestAddBlock(t *testing.T) {
bc := newTestChain(t)
blocks := []*Block{
newBlock(1),
newBlock(2),
newBlock(3),
}
for i := 0; i < len(blocks); i++ {
if err := bc.AddBlock(blocks[i]); err != nil {
t.Fatal(err)
}
}
lastBlock := blocks[len(blocks)-1]
assert.Equal(t, 3, bc.blockCache.Len())
assert.Equal(t, lastBlock.Index, bc.HeaderHeight())
assert.Equal(t, lastBlock.Hash(), bc.CurrentHeaderHash())
t.Log(bc.blockCache)
if err := bc.persist(context.Background()); err != nil {
t.Fatal(err)
}
for _, block := range blocks {
key := storage.AppendPrefix(storage.DataBlock, block.Hash().BytesReverse())
if _, err := bc.Get(key); err != nil {
t.Fatalf("block %s not persisted", block.Hash())
}
}
assert.Equal(t, lastBlock.Index, bc.BlockHeight())
assert.Equal(t, lastBlock.Hash(), bc.CurrentHeaderHash())
assert.Equal(t, 0, bc.blockCache.Len())
}
func TestGetHeader(t *testing.T) {
bc := newTestChain(t)
block := newBlock(1)
err := bc.AddBlock(block)
assert.Nil(t, err)
hash := block.Hash()
header, err := bc.GetHeader(hash)
require.NoError(t, err)
assert.Equal(t, block.Header(), header)
block = newBlock(2)
hash = block.Hash()
_, err = bc.GetHeader(block.Hash())
assert.Error(t, err)
}
func TestGetBlock(t *testing.T) {
bc := newTestChain(t)
blocks := makeBlocks(100)
for i := 0; i < len(blocks); i++ {
if err := bc.AddBlock(blocks[i]); err != nil {
t.Fatal(err)
}
}
for i := 0; i < len(blocks); i++ {
block, err := bc.GetBlock(blocks[i].Hash())
if err != nil {
t.Fatal(err)
}
assert.Equal(t, blocks[i].Index, block.Index)
assert.Equal(t, blocks[i].Hash(), block.Hash())
}
}
func TestHasBlock(t *testing.T) {
bc := newTestChain(t)
blocks := makeBlocks(50)
for i := 0; i < len(blocks); i++ {
if err := bc.AddBlock(blocks[i]); err != nil {
t.Fatal(err)
}
}
assert.Nil(t, bc.persist(context.Background()))
for i := 0; i < len(blocks); i++ {
assert.True(t, bc.HasBlock(blocks[i].Hash()))
}
newBlock := newBlock(51)
assert.False(t, bc.HasBlock(newBlock.Hash()))
}
func TestGetTransaction(t *testing.T) {
block := getDecodedBlock(t, 1)
bc := newTestChain(t)
assert.Nil(t, bc.AddBlock(block))
assert.Nil(t, bc.persistBlock(block))
tx, height, err := bc.GetTransaction(block.Transactions[0].Hash())
if err != nil {
t.Fatal(err)
}
assert.Equal(t, block.Index, height)
assert.Equal(t, block.Transactions[0], tx)
}
func newTestChain(t *testing.T) *Blockchain {
cfg, err := config.Load("../../config", config.ModePrivNet)
if err != nil {
t.Fatal(err)
}
chain, err := NewBlockchain(context.Background(), storage.NewMemoryStore(), cfg.ProtocolConfiguration)
if err != nil {
t.Fatal(err)
}
return chain
}
func TestSize(t *testing.T) {
txID := "f999c36145a41306c846ea80290416143e8e856559818065be3f4e143c60e43a"
tx := getTestTransaction(txID, t)
assert.Equal(t, 283, tx.Size())
assert.Equal(t, 22, util.GetVarSize(tx.Attributes))
assert.Equal(t, 35, util.GetVarSize(tx.Inputs))
assert.Equal(t, 121, util.GetVarSize(tx.Outputs))
assert.Equal(t, 103, util.GetVarSize(tx.Scripts))
}
func getTestBlockchain(t *testing.T) *Blockchain {
net := config.ModeUnitTestNet
configPath := "../../config"
cfg, err := config.Load(configPath, net)
require.NoError(t, err, "could not create levelDB chain")
// adjust datadirectory to point to the correct folder
cfg.ApplicationConfiguration.DataDirectoryPath = "../rpc/chains/unit_testnet"
chain, err := NewBlockchainLevelDB(context.Background(), cfg)
require.NoErrorf(t, err, "could not create levelDB chain")
return chain
}
func getTestTransaction(txID string, t *testing.T) *transaction.Transaction {
chain := getTestBlockchain(t)
txHash, err := util.Uint256DecodeReverseString(txID)
require.NoErrorf(t, err, "could not decode string %s to Uint256", txID)
tx, _, err := chain.GetTransaction(txHash)
require.NoErrorf(t, err, "could not get transaction with hash=%s", txHash)
return tx
}