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