package core import ( "testing" "github.com/CityOfZion/neo-go/pkg/core/block" "github.com/CityOfZion/neo-go/pkg/core/storage" "github.com/CityOfZion/neo-go/pkg/core/transaction" "github.com/CityOfZion/neo-go/pkg/crypto/hash" "github.com/CityOfZion/neo-go/pkg/io" "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) defer bc.Close() lastBlock := bc.topBlock.Load().(*block.Block) h1 := newBlock(bc.config, 1, lastBlock.Hash()).Header() h2 := newBlock(bc.config, 2, h1.Hash()).Header() h3 := newBlock(bc.config, 3, h2.Hash()).Header() require.NoError(t, bc.AddHeaders()) require.NoError(t, bc.AddHeaders(h1, h2)) require.NoError(t, bc.AddHeaders(h2, h3)) 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. require.Error(t, bc.AddHeaders(h3, h2, h1)) assert.Equal(t, h3.Index, bc.HeaderHeight()) assert.Equal(t, uint32(0), bc.BlockHeight()) assert.Equal(t, h3.Hash(), bc.CurrentHeaderHash()) h4 := newBlock(bc.config, 4, h3.Hash().Reverse()).Header() h5 := newBlock(bc.config, 5, h4.Hash()).Header() assert.Error(t, bc.AddHeaders(h4, h5)) assert.Equal(t, h3.Index, bc.HeaderHeight()) assert.Equal(t, uint32(0), bc.BlockHeight()) assert.Equal(t, h3.Hash(), bc.CurrentHeaderHash()) h6 := newBlock(bc.config, 4, h3.Hash()).Header() h6.Script.InvocationScript = nil assert.Error(t, bc.AddHeaders(h6)) 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) { const size = 3 bc := newTestChain(t) blocks, err := bc.genBlocks(size) require.NoError(t, err) lastBlock := blocks[len(blocks)-1] assert.Equal(t, lastBlock.Index, bc.HeaderHeight()) assert.Equal(t, lastBlock.Hash(), bc.CurrentHeaderHash()) // This one tests persisting blocks, so it does need to persist() require.NoError(t, bc.persist()) for _, block := range blocks { key := storage.AppendPrefix(storage.DataBlock, block.Hash().BytesLE()) _, err := bc.dao.store.Get(key) require.NoErrorf(t, err, "block %s not persisted", block.Hash()) } assert.Equal(t, lastBlock.Index, bc.BlockHeight()) assert.Equal(t, lastBlock.Hash(), bc.CurrentHeaderHash()) } func TestScriptFromWitness(t *testing.T) { witness := &transaction.Witness{} h := util.Uint160{1, 2, 3} res, err := ScriptFromWitness(h, witness) require.NoError(t, err) require.NotNil(t, res) witness.VerificationScript = []byte{4, 8, 15, 16, 23, 42} h = hash.Hash160(witness.VerificationScript) res, err = ScriptFromWitness(h, witness) require.NoError(t, err) require.NotNil(t, res) h[0] = ^h[0] res, err = ScriptFromWitness(h, witness) require.Error(t, err) require.Nil(t, res) } func TestGetHeader(t *testing.T) { bc := newTestChain(t) block := bc.newBlock(newMinerTX()) err := bc.AddBlock(block) assert.Nil(t, err) // Test unpersisted and persisted access for i := 0; i < 2; i++ { hash := block.Hash() header, err := bc.GetHeader(hash) require.NoError(t, err) assert.Equal(t, block.Header(), header) b2 := bc.newBlock() _, err = bc.GetHeader(b2.Hash()) assert.Error(t, err) assert.NoError(t, bc.persist()) } } func TestGetBlock(t *testing.T) { bc := newTestChain(t) blocks, err := bc.genBlocks(100) require.NoError(t, err) // Test unpersisted and persisted access for j := 0; j < 2; j++ { for i := 0; i < len(blocks); i++ { block, err := bc.GetBlock(blocks[i].Hash()) require.NoErrorf(t, err, "can't get block %d: %s, attempt %d", i, err, j) assert.Equal(t, blocks[i].Index, block.Index) assert.Equal(t, blocks[i].Hash(), block.Hash()) } assert.NoError(t, bc.persist()) } } func TestHasBlock(t *testing.T) { bc := newTestChain(t) blocks, err := bc.genBlocks(50) require.NoError(t, err) // Test unpersisted and persisted access for j := 0; j < 2; j++ { for i := 0; i < len(blocks); i++ { assert.True(t, bc.HasBlock(blocks[i].Hash())) } newBlock := bc.newBlock() assert.False(t, bc.HasBlock(newBlock.Hash())) assert.NoError(t, bc.persist()) } } func TestGetTransaction(t *testing.T) { b1 := getDecodedBlock(t, 1) block := getDecodedBlock(t, 2) bc := newTestChain(t) // Turn verification off, because these blocks are really from some other chain // and can't be verified, but we don't care about that in this test. bc.config.VerifyBlocks = false assert.Nil(t, bc.AddBlock(b1)) assert.Nil(t, bc.AddBlock(block)) // Test unpersisted and persisted access for j := 0; j < 2; j++ { tx, height, err := bc.GetTransaction(block.Transactions[0].Hash()) require.Nil(t, err) assert.Equal(t, block.Index, height) assert.Equal(t, block.Transactions[0], tx) assert.Equal(t, 10, io.GetVarSize(tx)) assert.Equal(t, 1, io.GetVarSize(tx.Attributes)) assert.Equal(t, 1, io.GetVarSize(tx.Inputs)) assert.Equal(t, 1, io.GetVarSize(tx.Outputs)) assert.Equal(t, 1, io.GetVarSize(tx.Scripts)) assert.NoError(t, bc.persist()) } } func TestGetClaimable(t *testing.T) { bc := newTestChain(t) bc.generationAmount = []int{4, 3, 2, 1} bc.decrementInterval = 2 _, err := bc.genBlocks(10) require.NoError(t, err) t.Run("first generation period", func(t *testing.T) { amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 0, 2) require.NoError(t, err) require.EqualValues(t, 8, amount) require.EqualValues(t, 0, sysfee) }) t.Run("a number of full periods", func(t *testing.T) { amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 0, 6) require.NoError(t, err) require.EqualValues(t, 4+4+3+3+2+2, amount) require.EqualValues(t, 0, sysfee) }) t.Run("start from the 2-nd block", func(t *testing.T) { amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 1, 7) require.NoError(t, err) require.EqualValues(t, 4+3+3+2+2+1, amount) require.EqualValues(t, 0, sysfee) }) t.Run("end height after generation has ended", func(t *testing.T) { amount, sysfee, err := bc.CalculateClaimable(util.Fixed8FromInt64(1), 1, 10) require.NoError(t, err) require.EqualValues(t, 4+3+3+2+2+1+1, amount) require.EqualValues(t, 0, sysfee) }) } func TestClose(t *testing.T) { defer func() { r := recover() assert.NotNil(t, r) }() bc := newTestChain(t) _, err := bc.genBlocks(10) require.NoError(t, err) bc.Close() // It's a hack, but we use internal knowledge of MemoryStore // implementation which makes it completely unusable (up to panicing) // after Close(). _ = bc.dao.store.Put([]byte{0}, []byte{1}) // This should never be executed. assert.Nil(t, t) }