21efccd300
Two changes being done here, because they require a lot of updates to tests. Now we're back into version 0 and we only have one type of transaction. It also removes GetType and GetScript interops, both are obsolete in Neo 3.
333 lines
9.7 KiB
Go
333 lines
9.7 KiB
Go
package core
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import (
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"testing"
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"time"
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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/state"
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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/nspcc-dev/neo-go/pkg/vm/emit"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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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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tx := transaction.New([]byte{byte(opcode.PUSH1)}, 0)
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tx.ValidUntilBlock = bc.BlockHeight() + 1
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assert.Nil(t, addSender(tx))
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assert.Nil(t, signTx(bc, tx))
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block := bc.newBlock(tx)
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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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//TODO NEO3.0:Update binary
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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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*/
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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 := bc.CalculateClaimable(1, 0, 2)
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require.EqualValues(t, 8, amount)
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})
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t.Run("a number of full periods", func(t *testing.T) {
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amount := bc.CalculateClaimable(1, 0, 6)
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require.EqualValues(t, 4+4+3+3+2+2, amount)
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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 := bc.CalculateClaimable(1, 1, 7)
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require.EqualValues(t, 4+3+3+2+2+1, amount)
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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 := bc.CalculateClaimable(1, 1, 10)
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require.EqualValues(t, 4+3+3+2+2+1+1, amount)
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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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func TestSubscriptions(t *testing.T) {
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// We use buffering here as a substitute for reader goroutines, events
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// get queued up and we read them one by one here.
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const chBufSize = 16
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blockCh := make(chan *block.Block, chBufSize)
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txCh := make(chan *transaction.Transaction, chBufSize)
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notificationCh := make(chan *state.NotificationEvent, chBufSize)
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executionCh := make(chan *state.AppExecResult, chBufSize)
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bc := newTestChain(t)
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bc.SubscribeForBlocks(blockCh)
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bc.SubscribeForTransactions(txCh)
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bc.SubscribeForNotifications(notificationCh)
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bc.SubscribeForExecutions(executionCh)
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assert.Empty(t, notificationCh)
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assert.Empty(t, executionCh)
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assert.Empty(t, blockCh)
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assert.Empty(t, txCh)
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blocks, err := bc.genBlocks(1)
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require.NoError(t, err)
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require.Eventually(t, func() bool { return len(blockCh) != 0 }, time.Second, 10*time.Millisecond)
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assert.Empty(t, notificationCh)
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assert.Empty(t, executionCh)
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assert.Empty(t, txCh)
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b := <-blockCh
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assert.Equal(t, blocks[0], b)
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assert.Empty(t, blockCh)
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script := io.NewBufBinWriter()
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emit.Bytes(script.BinWriter, []byte("yay!"))
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emit.Syscall(script.BinWriter, "Neo.Runtime.Notify")
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require.NoError(t, script.Err)
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txGood1 := transaction.New(script.Bytes(), 0)
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txGood1.Sender = neoOwner
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txGood1.Nonce = 1
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txGood1.ValidUntilBlock = 100500
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require.NoError(t, signTx(bc, txGood1))
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// Reset() reuses the script buffer and we need to keep scripts.
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script = io.NewBufBinWriter()
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emit.Bytes(script.BinWriter, []byte("nay!"))
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emit.Syscall(script.BinWriter, "Neo.Runtime.Notify")
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emit.Opcode(script.BinWriter, opcode.THROW)
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require.NoError(t, script.Err)
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txBad := transaction.New(script.Bytes(), 0)
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txBad.Sender = neoOwner
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txBad.Nonce = 2
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txBad.ValidUntilBlock = 100500
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require.NoError(t, signTx(bc, txBad))
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script = io.NewBufBinWriter()
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emit.Bytes(script.BinWriter, []byte("yay! yay! yay!"))
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emit.Syscall(script.BinWriter, "Neo.Runtime.Notify")
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require.NoError(t, script.Err)
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txGood2 := transaction.New(script.Bytes(), 0)
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txGood2.Sender = neoOwner
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txGood2.Nonce = 3
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txGood2.ValidUntilBlock = 100500
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require.NoError(t, signTx(bc, txGood2))
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invBlock := newBlock(bc.config, bc.BlockHeight()+1, bc.CurrentHeaderHash(), txGood1, txBad, txGood2)
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require.NoError(t, bc.AddBlock(invBlock))
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require.Eventually(t, func() bool {
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return len(blockCh) != 0 && len(txCh) != 0 &&
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len(notificationCh) != 0 && len(executionCh) != 0
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}, time.Second, 10*time.Millisecond)
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b = <-blockCh
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require.Equal(t, invBlock, b)
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assert.Empty(t, blockCh)
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// Follow in-block transaction order.
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for _, txExpected := range invBlock.Transactions {
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tx := <-txCh
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require.Equal(t, txExpected, tx)
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exec := <-executionCh
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require.Equal(t, tx.Hash(), exec.TxHash)
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if exec.VMState == "HALT" {
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notif := <-notificationCh
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require.Equal(t, hash.Hash160(tx.Script), notif.ScriptHash)
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}
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}
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assert.Empty(t, txCh)
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assert.Empty(t, notificationCh)
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assert.Empty(t, executionCh)
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bc.UnsubscribeFromBlocks(blockCh)
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bc.UnsubscribeFromTransactions(txCh)
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bc.UnsubscribeFromNotifications(notificationCh)
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bc.UnsubscribeFromExecutions(executionCh)
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// Ensure that new blocks are processed correctly after unsubscription.
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_, err = bc.genBlocks(2 * chBufSize)
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require.NoError(t, err)
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}
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