694 lines
22 KiB
Go
694 lines
22 KiB
Go
package core
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import (
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"errors"
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"math/big"
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"math/rand"
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"testing"
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"time"
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"github.com/nspcc-dev/neo-go/pkg/config/netmode"
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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/interop/interopnames"
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"github.com/nspcc-dev/neo-go/pkg/core/mempool"
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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/internal/testchain"
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"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
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"github.com/nspcc-dev/neo-go/pkg/util"
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"github.com/nspcc-dev/neo-go/pkg/vm"
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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/nspcc-dev/neo-go/pkg/vm/stackitem"
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"github.com/nspcc-dev/neo-go/pkg/wallet"
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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 TestVerifyHeader(t *testing.T) {
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bc := newTestChain(t)
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defer bc.Close()
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prev := bc.topBlock.Load().(*block.Block).Header()
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t.Run("Invalid", func(t *testing.T) {
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t.Run("Hash", func(t *testing.T) {
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h := prev.Hash()
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h[0] = ^h[0]
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hdr := newBlock(bc.config, 1, h).Header()
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require.True(t, errors.Is(bc.verifyHeader(hdr, prev), ErrHdrHashMismatch))
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})
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t.Run("Index", func(t *testing.T) {
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hdr := newBlock(bc.config, 3, prev.Hash()).Header()
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require.True(t, errors.Is(bc.verifyHeader(hdr, prev), ErrHdrIndexMismatch))
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})
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t.Run("Timestamp", func(t *testing.T) {
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hdr := newBlock(bc.config, 1, prev.Hash()).Header()
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hdr.Timestamp = 0
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require.True(t, errors.Is(bc.verifyHeader(hdr, prev), ErrHdrInvalidTimestamp))
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})
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})
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t.Run("Valid", func(t *testing.T) {
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hdr := newBlock(bc.config, 1, prev.Hash()).Header()
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require.NoError(t, bc.verifyHeader(hdr, prev))
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})
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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 TestAddBadBlock(t *testing.T) {
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bc := newTestChain(t)
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defer bc.Close()
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// It has ValidUntilBlock == 0, which is wrong
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tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
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tx.Signers = []transaction.Signer{{
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Account: testchain.MultisigScriptHash(),
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Scopes: transaction.FeeOnly,
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}}
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require.NoError(t, signTx(bc, tx))
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b1 := bc.newBlock(tx)
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require.Error(t, bc.AddBlock(b1))
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bc.config.VerifyTransactions = false
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require.NoError(t, bc.AddBlock(b1))
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b2 := bc.newBlock()
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b2.PrevHash = util.Uint256{}
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require.Error(t, bc.AddBlock(b2))
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bc.config.VerifyBlocks = false
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require.NoError(t, bc.AddBlock(b2))
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tx = transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
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tx.ValidUntilBlock = 128
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tx.Signers = []transaction.Signer{{
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Account: testchain.MultisigScriptHash(),
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Scopes: transaction.FeeOnly,
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}}
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require.NoError(t, signTx(bc, tx))
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require.NoError(t, bc.PoolTx(tx))
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bc.config.VerifyTransactions = true
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bc.config.VerifyBlocks = true
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b3 := bc.newBlock(tx)
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require.NoError(t, bc.AddBlock(b3))
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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(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
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tx.ValidUntilBlock = bc.BlockHeight() + 1
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addSigners(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 (bc *Blockchain) newTestTx(h util.Uint160, script []byte) *transaction.Transaction {
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tx := transaction.New(testchain.Network(), script, 1_000_000)
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tx.Nonce = rand.Uint32()
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tx.ValidUntilBlock = 100
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tx.Signers = []transaction.Signer{{
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Account: h,
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Scopes: transaction.CalledByEntry,
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}}
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tx.NetworkFee = int64(io.GetVarSize(tx)+200 /* witness */) * bc.FeePerByte()
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tx.NetworkFee += 1_000_000 // verification cost
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return tx
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}
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func TestVerifyTx(t *testing.T) {
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bc := newTestChain(t)
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defer bc.Close()
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accs := make([]*wallet.Account, 2)
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for i := range accs {
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var err error
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accs[i], err = wallet.NewAccount()
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require.NoError(t, err)
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}
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neoHash := bc.contracts.NEO.Hash
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gasHash := bc.contracts.GAS.Hash
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w := io.NewBufBinWriter()
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for _, sc := range []util.Uint160{neoHash, gasHash} {
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for _, a := range accs {
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amount := int64(1_000_000)
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if sc.Equals(gasHash) {
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amount = 1_000_000_000
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}
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emit.AppCallWithOperationAndArgs(w.BinWriter, sc, "transfer",
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neoOwner, a.PrivateKey().GetScriptHash(), amount)
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emit.Opcode(w.BinWriter, opcode.ASSERT)
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}
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}
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require.NoError(t, w.Err)
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txMove := bc.newTestTx(neoOwner, w.Bytes())
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txMove.SystemFee = 1_000_000_000
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require.NoError(t, signTx(bc, txMove))
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b := bc.newBlock(txMove)
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require.NoError(t, bc.AddBlock(b))
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aer, err := bc.GetAppExecResult(txMove.Hash())
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require.NoError(t, err)
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require.Equal(t, aer.VMState, vm.HaltState)
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res, err := invokeNativePolicyMethod(bc, "blockAccount", accs[1].PrivateKey().GetScriptHash().BytesBE())
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require.NoError(t, err)
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checkResult(t, res, stackitem.NewBool(true))
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checkErr := func(t *testing.T, expectedErr error, tx *transaction.Transaction) {
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err := bc.VerifyTx(tx)
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require.True(t, errors.Is(err, expectedErr), "expected: %v, got: %v", expectedErr, err)
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}
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testScript := []byte{byte(opcode.PUSH1)}
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h := accs[0].PrivateKey().GetScriptHash()
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t.Run("Expired", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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tx.ValidUntilBlock = 1
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require.NoError(t, accs[0].SignTx(tx))
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checkErr(t, ErrTxExpired, tx)
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})
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t.Run("BlockedAccount", func(t *testing.T) {
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tx := bc.newTestTx(accs[1].PrivateKey().GetScriptHash(), testScript)
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require.NoError(t, accs[1].SignTx(tx))
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err := bc.VerifyTx(tx)
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require.True(t, errors.Is(err, ErrPolicy))
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})
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t.Run("InsufficientGas", func(t *testing.T) {
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balance := bc.GetUtilityTokenBalance(h)
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tx := bc.newTestTx(h, testScript)
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tx.SystemFee = balance.Int64() + 1
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require.NoError(t, accs[0].SignTx(tx))
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checkErr(t, ErrInsufficientFunds, tx)
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})
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t.Run("TooBigTx", func(t *testing.T) {
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script := make([]byte, transaction.MaxTransactionSize)
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tx := bc.newTestTx(h, script)
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require.NoError(t, accs[0].SignTx(tx))
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checkErr(t, ErrTxTooBig, tx)
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})
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t.Run("SmallNetworkFee", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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tx.NetworkFee = 1
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require.NoError(t, accs[0].SignTx(tx))
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checkErr(t, ErrTxSmallNetworkFee, tx)
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})
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t.Run("Conflict", func(t *testing.T) {
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balance := bc.GetUtilityTokenBalance(h).Int64()
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tx := bc.newTestTx(h, testScript)
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tx.NetworkFee = balance / 2
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require.NoError(t, accs[0].SignTx(tx))
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require.NoError(t, bc.PoolTx(tx))
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tx2 := bc.newTestTx(h, testScript)
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tx2.NetworkFee = balance / 2
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require.NoError(t, accs[0].SignTx(tx2))
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err := bc.PoolTx(tx2)
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require.True(t, errors.Is(err, ErrMemPoolConflict))
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})
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t.Run("NotEnoughWitnesses", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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checkErr(t, ErrTxInvalidWitnessNum, tx)
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})
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t.Run("InvalidWitnessHash", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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require.NoError(t, accs[0].SignTx(tx))
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tx.Scripts[0].VerificationScript = []byte{byte(opcode.PUSHT)}
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checkErr(t, ErrWitnessHashMismatch, tx)
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})
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t.Run("InvalidWitnessSignature", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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require.NoError(t, accs[0].SignTx(tx))
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tx.Scripts[0].InvocationScript[10] = ^tx.Scripts[0].InvocationScript[10]
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checkErr(t, ErrVerificationFailed, tx)
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})
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t.Run("OldTX", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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require.NoError(t, accs[0].SignTx(tx))
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b := bc.newBlock(tx)
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require.NoError(t, bc.AddBlock(b))
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err := bc.VerifyTx(tx)
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require.True(t, errors.Is(err, ErrAlreadyExists))
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})
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t.Run("MemPooledTX", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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require.NoError(t, accs[0].SignTx(tx))
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require.NoError(t, bc.PoolTx(tx))
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err := bc.PoolTx(tx)
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require.True(t, errors.Is(err, ErrAlreadyExists))
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})
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t.Run("MemPoolOOM", func(t *testing.T) {
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bc.memPool = mempool.New(1)
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tx1 := bc.newTestTx(h, testScript)
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tx1.NetworkFee += 10000 // Give it more priority.
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require.NoError(t, accs[0].SignTx(tx1))
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require.NoError(t, bc.PoolTx(tx1))
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tx2 := bc.newTestTx(h, testScript)
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require.NoError(t, accs[0].SignTx(tx2))
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err := bc.PoolTx(tx2)
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require.True(t, errors.Is(err, ErrOOM))
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})
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t.Run("Attribute", func(t *testing.T) {
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t.Run("InvalidHighPriority", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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tx.Attributes = append(tx.Attributes, transaction.Attribute{Type: transaction.HighPriority})
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require.NoError(t, accs[0].SignTx(tx))
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checkErr(t, ErrInvalidAttribute, tx)
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})
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t.Run("ValidHighPriority", func(t *testing.T) {
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tx := bc.newTestTx(h, testScript)
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tx.NetworkFee += 4_000_000 // multisig check
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tx.Signers = []transaction.Signer{{
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Account: testchain.MultisigScriptHash(),
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Scopes: transaction.FeeOnly,
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}}
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validators := bc.GetStandByValidators()
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rawScript, err := smartcontract.CreateMajorityMultiSigRedeemScript(validators)
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require.NoError(t, err)
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size := io.GetVarSize(tx)
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netFee, sizeDelta := CalculateNetworkFee(rawScript)
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tx.NetworkFee += netFee
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tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
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data := tx.GetSignedPart()
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tx.Scripts = []transaction.Witness{{
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InvocationScript: testchain.Sign(data),
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VerificationScript: rawScript,
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}}
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require.NoError(t, bc.VerifyTx(tx))
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})
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})
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}
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func TestVerifyHashAgainstScript(t *testing.T) {
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bc := newTestChain(t)
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defer bc.Close()
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cs, csInvalid := getTestContractState()
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ic := bc.newInteropContext(trigger.Verification, bc.dao, nil, nil)
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require.NoError(t, ic.DAO.PutContractState(cs))
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require.NoError(t, ic.DAO.PutContractState(csInvalid))
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gas := bc.contracts.Policy.GetMaxVerificationGas(ic.DAO)
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t.Run("Contract", func(t *testing.T) {
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t.Run("Missing", func(t *testing.T) {
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newH := cs.ScriptHash()
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newH[0] = ^newH[0]
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w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH4)}}
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err := bc.verifyHashAgainstScript(newH, w, ic, false, gas)
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require.True(t, errors.Is(err, ErrUnknownVerificationContract))
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})
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t.Run("Invalid", func(t *testing.T) {
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w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH4)}}
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err := bc.verifyHashAgainstScript(csInvalid.ScriptHash(), w, ic, false, gas)
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require.True(t, errors.Is(err, ErrInvalidVerificationContract))
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})
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t.Run("ValidSignature", func(t *testing.T) {
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w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH4)}}
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err := bc.verifyHashAgainstScript(cs.ScriptHash(), w, ic, false, gas)
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require.NoError(t, err)
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})
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t.Run("InvalidSignature", func(t *testing.T) {
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w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH3)}}
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err := bc.verifyHashAgainstScript(cs.ScriptHash(), w, ic, false, gas)
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require.True(t, errors.Is(err, ErrVerificationFailed))
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})
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})
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t.Run("NotEnoughGas", func(t *testing.T) {
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verif := []byte{byte(opcode.PUSH1)}
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w := &transaction.Witness{
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InvocationScript: []byte{byte(opcode.NOP)},
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VerificationScript: verif,
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}
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err := bc.verifyHashAgainstScript(hash.Hash160(verif), w, ic, false, 1)
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require.True(t, errors.Is(err, ErrVerificationFailed))
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})
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t.Run("NoResult", func(t *testing.T) {
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verif := []byte{byte(opcode.DROP)}
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w := &transaction.Witness{
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InvocationScript: []byte{byte(opcode.PUSH1)},
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VerificationScript: verif,
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}
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err := bc.verifyHashAgainstScript(hash.Hash160(verif), w, ic, false, gas)
|
|
require.True(t, errors.Is(err, ErrVerificationFailed))
|
|
})
|
|
t.Run("BadResult", func(t *testing.T) {
|
|
verif := make([]byte, 66)
|
|
verif[0] = byte(opcode.PUSHDATA1)
|
|
verif[1] = 64
|
|
w := &transaction.Witness{
|
|
InvocationScript: []byte{byte(opcode.NOP)},
|
|
VerificationScript: verif,
|
|
}
|
|
err := bc.verifyHashAgainstScript(hash.Hash160(verif), w, ic, false, gas)
|
|
require.True(t, errors.Is(err, ErrVerificationFailed))
|
|
})
|
|
t.Run("TooManyResults", func(t *testing.T) {
|
|
verif := []byte{byte(opcode.NOP)}
|
|
w := &transaction.Witness{
|
|
InvocationScript: []byte{byte(opcode.PUSH1), byte(opcode.PUSH1)},
|
|
VerificationScript: verif,
|
|
}
|
|
err := bc.verifyHashAgainstScript(hash.Hash160(verif), w, ic, false, gas)
|
|
require.True(t, errors.Is(err, ErrVerificationFailed))
|
|
})
|
|
}
|
|
|
|
func TestMemPoolRemoval(t *testing.T) {
|
|
const added = 16
|
|
const notAdded = 32
|
|
bc := newTestChain(t)
|
|
defer bc.Close()
|
|
addedTxes := make([]*transaction.Transaction, added)
|
|
notAddedTxes := make([]*transaction.Transaction, notAdded)
|
|
for i := range addedTxes {
|
|
addedTxes[i] = bc.newTestTx(testchain.MultisigScriptHash(), []byte{byte(opcode.PUSH1)})
|
|
require.NoError(t, signTx(bc, addedTxes[i]))
|
|
require.NoError(t, bc.PoolTx(addedTxes[i]))
|
|
}
|
|
for i := range notAddedTxes {
|
|
notAddedTxes[i] = bc.newTestTx(testchain.MultisigScriptHash(), []byte{byte(opcode.PUSH1)})
|
|
require.NoError(t, signTx(bc, notAddedTxes[i]))
|
|
require.NoError(t, bc.PoolTx(notAddedTxes[i]))
|
|
}
|
|
b := bc.newBlock(addedTxes...)
|
|
require.NoError(t, bc.AddBlock(b))
|
|
mempool := bc.GetMemPool()
|
|
for _, tx := range addedTxes {
|
|
require.False(t, mempool.ContainsKey(tx.Hash()))
|
|
}
|
|
for _, tx := range notAddedTxes {
|
|
require.True(t, mempool.ContainsKey(tx.Hash()))
|
|
}
|
|
}
|
|
|
|
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) {
|
|
bc := newTestChain(t)
|
|
tx1 := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
|
|
tx1.ValidUntilBlock = 16
|
|
tx1.Signers = []transaction.Signer{{
|
|
Account: testchain.MultisigScriptHash(),
|
|
Scopes: transaction.CalledByEntry,
|
|
}}
|
|
tx2 := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH2)}, 0)
|
|
tx2.ValidUntilBlock = 16
|
|
tx2.Signers = []transaction.Signer{{
|
|
Account: testchain.MultisigScriptHash(),
|
|
Scopes: transaction.CalledByEntry,
|
|
}}
|
|
require.NoError(t, signTx(bc, tx1, tx2))
|
|
b1 := bc.newBlock(tx1)
|
|
|
|
assert.Nil(t, bc.AddBlock(b1))
|
|
block := bc.newBlock(tx2)
|
|
txSize := io.GetVarSize(tx2)
|
|
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, txSize, io.GetVarSize(tx))
|
|
assert.Equal(t, 1, io.GetVarSize(tx.Attributes))
|
|
assert.Equal(t, 1, io.GetVarSize(tx.Scripts))
|
|
assert.NoError(t, bc.persist())
|
|
}
|
|
}
|
|
|
|
func TestGetClaimable(t *testing.T) {
|
|
bc := newTestChain(t)
|
|
defer bc.Close()
|
|
|
|
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 := bc.CalculateClaimable(big.NewInt(1), 0, 2)
|
|
require.EqualValues(t, big.NewInt(8), amount)
|
|
})
|
|
|
|
t.Run("a number of full periods", func(t *testing.T) {
|
|
amount := bc.CalculateClaimable(big.NewInt(1), 0, 6)
|
|
require.EqualValues(t, big.NewInt(4+4+3+3+2+2), amount)
|
|
})
|
|
|
|
t.Run("start from the 2-nd block", func(t *testing.T) {
|
|
amount := bc.CalculateClaimable(big.NewInt(1), 1, 7)
|
|
require.EqualValues(t, big.NewInt(4+3+3+2+2+1), amount)
|
|
})
|
|
|
|
t.Run("end height after generation has ended", func(t *testing.T) {
|
|
amount := bc.CalculateClaimable(big.NewInt(1), 1, 10)
|
|
require.EqualValues(t, big.NewInt(4+3+3+2+2+1+1), amount)
|
|
})
|
|
}
|
|
|
|
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)
|
|
}
|
|
|
|
func TestSubscriptions(t *testing.T) {
|
|
// We use buffering here as a substitute for reader goroutines, events
|
|
// get queued up and we read them one by one here.
|
|
const chBufSize = 16
|
|
blockCh := make(chan *block.Block, chBufSize)
|
|
txCh := make(chan *transaction.Transaction, chBufSize)
|
|
notificationCh := make(chan *state.NotificationEvent, chBufSize)
|
|
executionCh := make(chan *state.AppExecResult, chBufSize)
|
|
|
|
bc := newTestChain(t)
|
|
defer bc.Close()
|
|
bc.SubscribeForBlocks(blockCh)
|
|
bc.SubscribeForTransactions(txCh)
|
|
bc.SubscribeForNotifications(notificationCh)
|
|
bc.SubscribeForExecutions(executionCh)
|
|
|
|
assert.Empty(t, notificationCh)
|
|
assert.Empty(t, executionCh)
|
|
assert.Empty(t, blockCh)
|
|
assert.Empty(t, txCh)
|
|
|
|
blocks, err := bc.genBlocks(1)
|
|
require.NoError(t, err)
|
|
require.Eventually(t, func() bool { return len(blockCh) != 0 }, time.Second, 10*time.Millisecond)
|
|
assert.Empty(t, notificationCh)
|
|
assert.Len(t, executionCh, 1)
|
|
assert.Empty(t, txCh)
|
|
|
|
b := <-blockCh
|
|
assert.Equal(t, blocks[0], b)
|
|
assert.Empty(t, blockCh)
|
|
|
|
aer := <-executionCh
|
|
assert.Equal(t, b.Hash(), aer.TxHash)
|
|
|
|
script := io.NewBufBinWriter()
|
|
emit.Bytes(script.BinWriter, []byte("yay!"))
|
|
emit.Syscall(script.BinWriter, interopnames.SystemRuntimeNotify)
|
|
require.NoError(t, script.Err)
|
|
txGood1 := transaction.New(netmode.UnitTestNet, script.Bytes(), 0)
|
|
txGood1.Signers = []transaction.Signer{{Account: neoOwner}}
|
|
txGood1.Nonce = 1
|
|
txGood1.ValidUntilBlock = 100500
|
|
require.NoError(t, signTx(bc, txGood1))
|
|
|
|
// Reset() reuses the script buffer and we need to keep scripts.
|
|
script = io.NewBufBinWriter()
|
|
emit.Bytes(script.BinWriter, []byte("nay!"))
|
|
emit.Syscall(script.BinWriter, interopnames.SystemRuntimeNotify)
|
|
emit.Opcode(script.BinWriter, opcode.THROW)
|
|
require.NoError(t, script.Err)
|
|
txBad := transaction.New(netmode.UnitTestNet, script.Bytes(), 0)
|
|
txBad.Signers = []transaction.Signer{{Account: neoOwner}}
|
|
txBad.Nonce = 2
|
|
txBad.ValidUntilBlock = 100500
|
|
require.NoError(t, signTx(bc, txBad))
|
|
|
|
script = io.NewBufBinWriter()
|
|
emit.Bytes(script.BinWriter, []byte("yay! yay! yay!"))
|
|
emit.Syscall(script.BinWriter, interopnames.SystemRuntimeNotify)
|
|
require.NoError(t, script.Err)
|
|
txGood2 := transaction.New(netmode.UnitTestNet, script.Bytes(), 0)
|
|
txGood2.Signers = []transaction.Signer{{Account: neoOwner}}
|
|
txGood2.Nonce = 3
|
|
txGood2.ValidUntilBlock = 100500
|
|
require.NoError(t, signTx(bc, txGood2))
|
|
|
|
invBlock := newBlock(bc.config, bc.BlockHeight()+1, bc.CurrentHeaderHash(), txGood1, txBad, txGood2)
|
|
require.NoError(t, bc.AddBlock(invBlock))
|
|
|
|
require.Eventually(t, func() bool {
|
|
return len(blockCh) != 0 && len(txCh) != 0 &&
|
|
len(notificationCh) != 0 && len(executionCh) != 0
|
|
}, time.Second, 10*time.Millisecond)
|
|
|
|
b = <-blockCh
|
|
require.Equal(t, invBlock, b)
|
|
assert.Empty(t, blockCh)
|
|
|
|
exec := <-executionCh
|
|
require.Equal(t, b.Hash(), exec.TxHash)
|
|
require.Equal(t, exec.VMState, vm.HaltState)
|
|
|
|
// 3 burn events for every tx and 1 mint for primary node
|
|
require.True(t, len(notificationCh) >= 4)
|
|
for i := 0; i < 4; i++ {
|
|
notif := <-notificationCh
|
|
require.Equal(t, bc.contracts.GAS.Hash, notif.ScriptHash)
|
|
}
|
|
|
|
// Follow in-block transaction order.
|
|
for _, txExpected := range invBlock.Transactions {
|
|
tx := <-txCh
|
|
require.Equal(t, txExpected, tx)
|
|
exec := <-executionCh
|
|
require.Equal(t, tx.Hash(), exec.TxHash)
|
|
if exec.VMState == vm.HaltState {
|
|
notif := <-notificationCh
|
|
require.Equal(t, hash.Hash160(tx.Script), notif.ScriptHash)
|
|
}
|
|
}
|
|
assert.Empty(t, txCh)
|
|
assert.Empty(t, notificationCh)
|
|
assert.Empty(t, executionCh)
|
|
|
|
bc.UnsubscribeFromBlocks(blockCh)
|
|
bc.UnsubscribeFromTransactions(txCh)
|
|
bc.UnsubscribeFromNotifications(notificationCh)
|
|
bc.UnsubscribeFromExecutions(executionCh)
|
|
|
|
// Ensure that new blocks are processed correctly after unsubscription.
|
|
_, err = bc.genBlocks(2 * chBufSize)
|
|
require.NoError(t, err)
|
|
}
|