neoneo-go/pkg/core/blockchain_test.go

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package core
import (
"errors"
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"fmt"
"math/big"
"math/rand"
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"path"
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"strings"
"testing"
"time"
"github.com/nspcc-dev/neo-go/internal/random"
"github.com/nspcc-dev/neo-go/internal/testchain"
"github.com/nspcc-dev/neo-go/pkg/config"
"github.com/nspcc-dev/neo-go/pkg/config/netmode"
"github.com/nspcc-dev/neo-go/pkg/core/block"
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"github.com/nspcc-dev/neo-go/pkg/core/blockchainer"
"github.com/nspcc-dev/neo-go/pkg/core/chaindump"
"github.com/nspcc-dev/neo-go/pkg/core/fee"
"github.com/nspcc-dev/neo-go/pkg/core/interop/interopnames"
"github.com/nspcc-dev/neo-go/pkg/core/mempool"
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"github.com/nspcc-dev/neo-go/pkg/core/native"
"github.com/nspcc-dev/neo-go/pkg/core/native/nativeprices"
"github.com/nspcc-dev/neo-go/pkg/core/native/noderoles"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/core/storage"
"github.com/nspcc-dev/neo-go/pkg/core/transaction"
"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/encoding/address"
"github.com/nspcc-dev/neo-go/pkg/io"
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"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
"github.com/nspcc-dev/neo-go/pkg/util"
"github.com/nspcc-dev/neo-go/pkg/vm"
"github.com/nspcc-dev/neo-go/pkg/vm/emit"
"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neo-go/pkg/wallet"
"github.com/stretchr/testify/assert"
Implemented rpc server method GetRawTransaction (#135) * Added utility function GetVarSize * 1) Added Size method: this implied that Fixed8 implements now the serializable interface. 2) Added few arithmetic operation (Add, Sub, div): this will be used to calculated networkfeeand feePerByte. Changed return value of the Value() method to int instead of int64. Modified fixed8_test accordingly. * Implemented Size or MarshalJSON method. - Structs accepting the Size method implement the serializable interface. - Structs accepting the MarshalJSON method implements the customized json marshaller interface. * Added fee calculation * Implemented rcp server method GetRawTransaction * Updated Tests * Fixed: 1) NewFixed8 will accept as input int64 2) race condition affecting configDeafault, blockchainDefault * Simplified Size calculation * 1) Removed global variable blockchainDefault, configDefault 2) Extended Blockchainer interface to include the methods: References, FeePerByte, SystemFee, NetworkFee 3) Deleted fee_test.go, fee.go. Moved corresponding methods to blockchain_test.go and blockchain.go respectively 4) Amended tx_raw_output.go * Simplified GetVarSize Method * Replaced ValueAtAndType with ValueWithType * Cosmetic changes + Added test case getrawtransaction_7 * Clean up Print statement * Filled up keys * Aligned verbose logic with the C#-neo implementation * Implemented @Kim requests Refactor server_test.go * Small fixes * Fixed verbose logic Added more tests Cosmetic changes * Replaced assert.NoError with require.NoError * Fixed tests by adding context.Background() as argument * Fixed tests
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"github.com/stretchr/testify/require"
)
func TestVerifyHeader(t *testing.T) {
bc := newTestChain(t)
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prev := bc.topBlock.Load().(*block.Block).Header
t.Run("Invalid", func(t *testing.T) {
t.Run("Hash", func(t *testing.T) {
h := prev.Hash()
h[0] = ^h[0]
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hdr := newBlock(bc.config, 1, h).Header
require.True(t, errors.Is(bc.verifyHeader(&hdr, &prev), ErrHdrHashMismatch))
})
t.Run("Index", func(t *testing.T) {
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hdr := newBlock(bc.config, 3, prev.Hash()).Header
require.True(t, errors.Is(bc.verifyHeader(&hdr, &prev), ErrHdrIndexMismatch))
})
t.Run("Timestamp", func(t *testing.T) {
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hdr := newBlock(bc.config, 1, prev.Hash()).Header
hdr.Timestamp = 0
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require.True(t, errors.Is(bc.verifyHeader(&hdr, &prev), ErrHdrInvalidTimestamp))
})
})
t.Run("Valid", func(t *testing.T) {
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hdr := newBlock(bc.config, 1, prev.Hash()).Header
require.NoError(t, bc.verifyHeader(&hdr, &prev))
})
}
func TestAddHeaders(t *testing.T) {
bc := newTestChain(t)
lastBlock := bc.topBlock.Load().(*block.Block)
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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())
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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.
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require.NoError(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())
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h4 := newBlock(bc.config, 4, h3.Hash().Reverse()).Header
h5 := newBlock(bc.config, 5, h4.Hash()).Header
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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())
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h6 := newBlock(bc.config, 4, h3.Hash()).Header
h6.Script.InvocationScript = nil
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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().BytesBE())
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_, 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 TestAddBlockStateRoot(t *testing.T) {
bc := newTestChainWithCustomCfg(t, func(c *config.Config) {
c.ProtocolConfiguration.StateRootInHeader = true
})
sr, err := bc.GetStateModule().GetStateRoot(bc.BlockHeight())
require.NoError(t, err)
tx := newNEP17Transfer(bc.contracts.NEO.Hash, neoOwner, util.Uint160{}, 1)
tx.ValidUntilBlock = bc.BlockHeight() + 1
addSigners(neoOwner, tx)
require.NoError(t, testchain.SignTx(bc, tx))
lastBlock := bc.topBlock.Load().(*block.Block)
b := newBlock(bc.config, lastBlock.Index+1, lastBlock.Hash(), tx)
err = bc.AddBlock(b)
require.True(t, errors.Is(err, ErrHdrStateRootSetting), "got: %v", err)
u := sr.Root
u[0] ^= 0xFF
b = newBlockWithState(bc.config, lastBlock.Index+1, lastBlock.Hash(), &u, tx)
err = bc.AddBlock(b)
require.True(t, errors.Is(err, ErrHdrInvalidStateRoot), "got: %v", err)
b = bc.newBlock(tx)
require.NoError(t, bc.AddBlock(b))
}
func TestAddBadBlock(t *testing.T) {
bc := newTestChain(t)
// It has ValidUntilBlock == 0, which is wrong
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
tx.Signers = []transaction.Signer{{
Account: testchain.MultisigScriptHash(),
Scopes: transaction.None,
}}
require.NoError(t, testchain.SignTx(bc, tx))
b1 := bc.newBlock(tx)
require.Error(t, bc.AddBlock(b1))
bc.config.VerifyTransactions = false
require.NoError(t, bc.AddBlock(b1))
b2 := bc.newBlock()
b2.PrevHash = util.Uint256{}
require.Error(t, bc.AddBlock(b2))
bc.config.VerifyBlocks = false
require.NoError(t, bc.AddBlock(b2))
tx = transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
tx.ValidUntilBlock = 128
tx.Signers = []transaction.Signer{{
Account: testchain.MultisigScriptHash(),
Scopes: transaction.None,
}}
require.NoError(t, testchain.SignTx(bc, tx))
require.NoError(t, bc.PoolTx(tx))
bc.config.VerifyTransactions = true
bc.config.VerifyBlocks = true
b3 := bc.newBlock(tx)
require.NoError(t, bc.AddBlock(b3))
}
func TestGetHeader(t *testing.T) {
bc := newTestChain(t)
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
tx.ValidUntilBlock = bc.BlockHeight() + 1
addSigners(neoOwner, tx)
assert.Nil(t, testchain.SignTx(bc, tx))
block := bc.newBlock(tx)
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)
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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())
}
t.Run("store only header", func(t *testing.T) {
t.Run("non-empty block", func(t *testing.T) {
tx, err := testchain.NewTransferFromOwner(bc, bc.contracts.NEO.Hash,
random.Uint160(), 1, 1, 1000)
b := bc.newBlock(tx)
require.NoError(t, bc.AddHeaders(&b.Header))
_, err = bc.GetBlock(b.Hash())
require.Error(t, err)
_, err = bc.GetHeader(b.Hash())
require.NoError(t, err)
require.NoError(t, bc.AddBlock(b))
_, err = bc.GetBlock(b.Hash())
require.NoError(t, err)
})
t.Run("empty block", func(t *testing.T) {
b := bc.newBlock()
require.NoError(t, bc.AddHeaders(&b.Header))
_, err = bc.GetBlock(b.Hash())
require.NoError(t, err)
})
})
}
func (bc *Blockchain) newTestTx(h util.Uint160, script []byte) *transaction.Transaction {
tx := transaction.New(testchain.Network(), script, 1_000_000)
tx.Nonce = rand.Uint32()
tx.ValidUntilBlock = 100
tx.Signers = []transaction.Signer{{
Account: h,
Scopes: transaction.CalledByEntry,
}}
tx.NetworkFee = int64(io.GetVarSize(tx)+200 /* witness */) * bc.FeePerByte()
tx.NetworkFee += 1_000_000 // verification cost
return tx
}
func TestVerifyTx(t *testing.T) {
bc := newTestChain(t)
accs := make([]*wallet.Account, 5)
for i := range accs {
var err error
accs[i], err = wallet.NewAccount()
require.NoError(t, err)
}
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oracleAcc := accs[2]
oraclePubs := keys.PublicKeys{oracleAcc.PrivateKey().PublicKey()}
require.NoError(t, oracleAcc.ConvertMultisig(1, oraclePubs))
neoHash := bc.contracts.NEO.Hash
gasHash := bc.contracts.GAS.Hash
w := io.NewBufBinWriter()
for _, sc := range []util.Uint160{neoHash, gasHash} {
for _, a := range accs {
amount := int64(1_000_000)
if sc.Equals(gasHash) {
amount = 1_000_000_000
}
emit.AppCall(w.BinWriter, sc, "transfer", callflag.All,
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neoOwner, a.Contract.ScriptHash(), amount, nil)
emit.Opcodes(w.BinWriter, opcode.ASSERT)
}
}
emit.AppCall(w.BinWriter, gasHash, "transfer", callflag.All,
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neoOwner, testchain.CommitteeScriptHash(), int64(1_000_000_000), nil)
emit.Opcodes(w.BinWriter, opcode.ASSERT)
require.NoError(t, w.Err)
txMove := bc.newTestTx(neoOwner, w.Bytes())
txMove.SystemFee = 1_000_000_000
require.NoError(t, testchain.SignTx(bc, txMove))
b := bc.newBlock(txMove)
require.NoError(t, bc.AddBlock(b))
aer, err := bc.GetAppExecResults(txMove.Hash(), trigger.Application)
require.NoError(t, err)
require.Equal(t, 1, len(aer))
require.Equal(t, aer[0].VMState, vm.HaltState)
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res, err := invokeContractMethodGeneric(bc, 100000000, bc.contracts.Policy.Hash, "blockAccount", true, accs[1].PrivateKey().GetScriptHash().BytesBE())
require.NoError(t, err)
checkResult(t, res, stackitem.NewBool(true))
checkErr := func(t *testing.T, expectedErr error, tx *transaction.Transaction) {
err := bc.VerifyTx(tx)
require.True(t, errors.Is(err, expectedErr), "expected: %v, got: %v", expectedErr, err)
}
testScript := []byte{byte(opcode.PUSH1)}
h := accs[0].PrivateKey().GetScriptHash()
t.Run("Expired", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
tx.ValidUntilBlock = 1
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrTxExpired, tx)
})
t.Run("BlockedAccount", func(t *testing.T) {
tx := bc.newTestTx(accs[1].PrivateKey().GetScriptHash(), testScript)
require.NoError(t, accs[1].SignTx(tx))
err := bc.VerifyTx(tx)
require.True(t, errors.Is(err, ErrPolicy))
})
t.Run("InsufficientGas", func(t *testing.T) {
balance := bc.GetUtilityTokenBalance(h)
tx := bc.newTestTx(h, testScript)
tx.SystemFee = balance.Int64() + 1
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrInsufficientFunds, tx)
})
t.Run("TooBigTx", func(t *testing.T) {
script := make([]byte, transaction.MaxTransactionSize)
tx := bc.newTestTx(h, script)
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrTxTooBig, tx)
})
t.Run("NetworkFee", func(t *testing.T) {
t.Run("SmallNetworkFee", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
tx.NetworkFee = 1
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrTxSmallNetworkFee, tx)
})
t.Run("AlmostEnoughNetworkFee", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
verificationNetFee, calcultedScriptSize := fee.Calculate(bc.GetBaseExecFee(), accs[0].Contract.Script)
expectedSize := io.GetVarSize(tx) + calcultedScriptSize
calculatedNetFee := verificationNetFee + int64(expectedSize)*bc.FeePerByte()
tx.NetworkFee = calculatedNetFee - 1
require.NoError(t, accs[0].SignTx(tx))
require.Equal(t, expectedSize, io.GetVarSize(tx))
checkErr(t, ErrVerificationFailed, tx)
})
t.Run("EnoughNetworkFee", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
verificationNetFee, calcultedScriptSize := fee.Calculate(bc.GetBaseExecFee(), accs[0].Contract.Script)
expectedSize := io.GetVarSize(tx) + calcultedScriptSize
calculatedNetFee := verificationNetFee + int64(expectedSize)*bc.FeePerByte()
tx.NetworkFee = calculatedNetFee
require.NoError(t, accs[0].SignTx(tx))
require.Equal(t, expectedSize, io.GetVarSize(tx))
require.NoError(t, bc.VerifyTx(tx))
})
t.Run("CalculateNetworkFee, signature script", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
expectedSize := io.GetVarSize(tx)
verificationNetFee, calculatedScriptSize := fee.Calculate(bc.GetBaseExecFee(), accs[0].Contract.Script)
expectedSize += calculatedScriptSize
expectedNetFee := verificationNetFee + int64(expectedSize)*bc.FeePerByte()
tx.NetworkFee = expectedNetFee
require.NoError(t, accs[0].SignTx(tx))
actualSize := io.GetVarSize(tx)
require.Equal(t, expectedSize, actualSize)
interopCtx := bc.newInteropContext(trigger.Verification, bc.dao, nil, tx)
gasConsumed, err := bc.verifyHashAgainstScript(h, &tx.Scripts[0], interopCtx, -1)
require.NoError(t, err)
require.Equal(t, verificationNetFee, gasConsumed)
require.Equal(t, expectedNetFee, bc.FeePerByte()*int64(actualSize)+gasConsumed)
})
t.Run("CalculateNetworkFee, multisignature script", func(t *testing.T) {
multisigAcc := accs[4]
pKeys := keys.PublicKeys{multisigAcc.PrivateKey().PublicKey()}
require.NoError(t, multisigAcc.ConvertMultisig(1, pKeys))
multisigHash := hash.Hash160(multisigAcc.Contract.Script)
tx := bc.newTestTx(multisigHash, testScript)
verificationNetFee, calculatedScriptSize := fee.Calculate(bc.GetBaseExecFee(), multisigAcc.Contract.Script)
expectedSize := io.GetVarSize(tx) + calculatedScriptSize
expectedNetFee := verificationNetFee + int64(expectedSize)*bc.FeePerByte()
tx.NetworkFee = expectedNetFee
require.NoError(t, multisigAcc.SignTx(tx))
actualSize := io.GetVarSize(tx)
require.Equal(t, expectedSize, actualSize)
interopCtx := bc.newInteropContext(trigger.Verification, bc.dao, nil, tx)
gasConsumed, err := bc.verifyHashAgainstScript(multisigHash, &tx.Scripts[0], interopCtx, -1)
require.NoError(t, err)
require.Equal(t, verificationNetFee, gasConsumed)
require.Equal(t, expectedNetFee, bc.FeePerByte()*int64(actualSize)+gasConsumed)
})
})
t.Run("InvalidTxScript", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
tx.Script = append(tx.Script, 0xff)
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrInvalidScript, tx)
})
t.Run("InvalidVerificationScript", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
verif := []byte{byte(opcode.JMP), 3, 0xff, byte(opcode.PUSHT)}
tx.Signers = append(tx.Signers, transaction.Signer{
Account: hash.Hash160(verif),
Scopes: transaction.Global,
})
tx.NetworkFee += 1000000
require.NoError(t, accs[0].SignTx(tx))
tx.Scripts = append(tx.Scripts, transaction.Witness{
InvocationScript: []byte{},
VerificationScript: verif,
})
checkErr(t, ErrInvalidVerification, tx)
})
t.Run("InvalidInvocationScript", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
verif := []byte{byte(opcode.PUSHT)}
tx.Signers = append(tx.Signers, transaction.Signer{
Account: hash.Hash160(verif),
Scopes: transaction.Global,
})
tx.NetworkFee += 1000000
require.NoError(t, accs[0].SignTx(tx))
tx.Scripts = append(tx.Scripts, transaction.Witness{
InvocationScript: []byte{byte(opcode.JMP), 3, 0xff},
VerificationScript: verif,
})
checkErr(t, ErrInvalidInvocation, tx)
})
t.Run("Conflict", func(t *testing.T) {
balance := bc.GetUtilityTokenBalance(h).Int64()
tx := bc.newTestTx(h, testScript)
tx.NetworkFee = balance / 2
require.NoError(t, accs[0].SignTx(tx))
require.NoError(t, bc.PoolTx(tx))
tx2 := bc.newTestTx(h, testScript)
tx2.NetworkFee = balance / 2
require.NoError(t, accs[0].SignTx(tx2))
err := bc.PoolTx(tx2)
require.True(t, errors.Is(err, ErrMemPoolConflict))
})
t.Run("InvalidWitnessHash", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx))
tx.Scripts[0].VerificationScript = []byte{byte(opcode.PUSHT)}
checkErr(t, ErrWitnessHashMismatch, tx)
})
t.Run("InvalidWitnessSignature", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx))
tx.Scripts[0].InvocationScript[10] = ^tx.Scripts[0].InvocationScript[10]
checkErr(t, ErrVerificationFailed, tx)
})
t.Run("InsufficientNetworkFeeForSecondWitness", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
tx.Signers = append(tx.Signers, transaction.Signer{
Account: accs[3].PrivateKey().GetScriptHash(),
Scopes: transaction.Global,
})
require.NoError(t, accs[0].SignTx(tx))
require.NoError(t, accs[3].SignTx(tx))
checkErr(t, ErrVerificationFailed, tx)
})
t.Run("OldTX", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx))
b := bc.newBlock(tx)
require.NoError(t, bc.AddBlock(b))
err := bc.VerifyTx(tx)
require.True(t, errors.Is(err, ErrAlreadyExists))
})
t.Run("MemPooledTX", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx))
require.NoError(t, bc.PoolTx(tx))
err := bc.PoolTx(tx)
require.True(t, errors.Is(err, ErrAlreadyExists))
})
t.Run("MemPoolOOM", func(t *testing.T) {
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bc.memPool = mempool.New(1, 0, false)
tx1 := bc.newTestTx(h, testScript)
tx1.NetworkFee += 10000 // Give it more priority.
require.NoError(t, accs[0].SignTx(tx1))
require.NoError(t, bc.PoolTx(tx1))
tx2 := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx2))
err := bc.PoolTx(tx2)
require.True(t, errors.Is(err, ErrOOM))
})
t.Run("Attribute", func(t *testing.T) {
t.Run("InvalidHighPriority", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
tx.Attributes = append(tx.Attributes, transaction.Attribute{Type: transaction.HighPriority})
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
t.Run("ValidHighPriority", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
tx.Attributes = append(tx.Attributes, transaction.Attribute{Type: transaction.HighPriority})
tx.NetworkFee += 4_000_000 // multisig check
tx.Signers = []transaction.Signer{{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
}}
rawScript := testchain.CommitteeVerificationScript()
require.NoError(t, err)
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), rawScript)
tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: rawScript,
}}
require.NoError(t, bc.VerifyTx(tx))
})
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t.Run("Oracle", func(t *testing.T) {
orc := bc.contracts.Oracle
req := &state.OracleRequest{GasForResponse: 1000_0000}
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require.NoError(t, orc.PutRequestInternal(1, req, bc.dao))
oracleScript, err := smartcontract.CreateMajorityMultiSigRedeemScript(oraclePubs)
require.NoError(t, err)
oracleHash := hash.Hash160(oracleScript)
// We need to create new transaction,
// because hashes are cached after signing.
getOracleTx := func(t *testing.T) *transaction.Transaction {
tx := bc.newTestTx(h, orc.GetOracleResponseScript())
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resp := &transaction.OracleResponse{
ID: 1,
Code: transaction.Success,
Result: []byte{1, 2, 3},
}
tx.Attributes = []transaction.Attribute{{
Type: transaction.OracleResponseT,
Value: resp,
}}
tx.NetworkFee += 4_000_000 // multisig check
tx.SystemFee = int64(req.GasForResponse - uint64(tx.NetworkFee))
tx.Signers = []transaction.Signer{{
Account: oracleHash,
Scopes: transaction.None,
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}}
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), oracleScript)
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tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
return tx
}
t.Run("NoOracleNodes", func(t *testing.T) {
tx := getOracleTx(t)
require.NoError(t, oracleAcc.SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
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txSetOracle := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 0) // it's a hack, so we don't need a real script
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setSigner(txSetOracle, testchain.CommitteeScriptHash())
txSetOracle.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(txSetOracle.GetSignedPart()),
VerificationScript: testchain.CommitteeVerificationScript(),
}}
bl := block.New(netmode.UnitTestNet, bc.config.StateRootInHeader)
bl.Index = bc.BlockHeight() + 1
ic := bc.newInteropContext(trigger.All, bc.dao, bl, txSetOracle)
ic.SpawnVM()
ic.VM.LoadScript([]byte{byte(opcode.RET)})
require.NoError(t, bc.contracts.Designate.DesignateAsRole(ic, noderoles.Oracle, oraclePubs))
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_, err = ic.DAO.Persist()
require.NoError(t, err)
t.Run("Valid", func(t *testing.T) {
tx := getOracleTx(t)
require.NoError(t, oracleAcc.SignTx(tx))
require.NoError(t, bc.VerifyTx(tx))
t.Run("NativeVerify", func(t *testing.T) {
tx.Signers = append(tx.Signers, transaction.Signer{
Account: bc.contracts.Oracle.Hash,
Scopes: transaction.None,
})
tx.Scripts = append(tx.Scripts, transaction.Witness{})
t.Run("NonZeroVerification", func(t *testing.T) {
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w := io.NewBufBinWriter()
emit.Opcodes(w.BinWriter, opcode.ABORT)
emit.Bytes(w.BinWriter, util.Uint160{}.BytesBE())
emit.Int(w.BinWriter, 0)
emit.String(w.BinWriter, orc.Manifest.Name)
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tx.Scripts[len(tx.Scripts)-1].VerificationScript = w.Bytes()
err := bc.VerifyTx(tx)
require.True(t, errors.Is(err, ErrNativeContractWitness), "got: %v", err)
})
t.Run("Good", func(t *testing.T) {
tx.Scripts[len(tx.Scripts)-1].VerificationScript = nil
require.NoError(t, bc.VerifyTx(tx))
})
})
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})
t.Run("InvalidRequestID", func(t *testing.T) {
tx := getOracleTx(t)
tx.Attributes[0].Value.(*transaction.OracleResponse).ID = 2
require.NoError(t, oracleAcc.SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
t.Run("InvalidScope", func(t *testing.T) {
tx := getOracleTx(t)
tx.Signers[0].Scopes = transaction.Global
require.NoError(t, oracleAcc.SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
t.Run("InvalidScript", func(t *testing.T) {
tx := getOracleTx(t)
tx.Script = append(tx.Script, byte(opcode.NOP))
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require.NoError(t, oracleAcc.SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
t.Run("InvalidSigner", func(t *testing.T) {
tx := getOracleTx(t)
tx.Signers[0].Account = accs[0].Contract.ScriptHash()
require.NoError(t, accs[0].SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
t.Run("SmallFee", func(t *testing.T) {
tx := getOracleTx(t)
tx.SystemFee = 0
require.NoError(t, oracleAcc.SignTx(tx))
checkErr(t, ErrInvalidAttribute, tx)
})
})
t.Run("NotValidBefore", func(t *testing.T) {
getNVBTx := func(height uint32) *transaction.Transaction {
tx := bc.newTestTx(h, testScript)
tx.Attributes = append(tx.Attributes, transaction.Attribute{Type: transaction.NotValidBeforeT, Value: &transaction.NotValidBefore{Height: height}})
tx.NetworkFee += 4_000_000 // multisig check
tx.Signers = []transaction.Signer{{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
}}
rawScript := testchain.CommitteeVerificationScript()
require.NoError(t, err)
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), rawScript)
tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: rawScript,
}}
return tx
}
t.Run("Disabled", func(t *testing.T) {
tx := getNVBTx(bc.blockHeight + 1)
require.Error(t, bc.VerifyTx(tx))
})
t.Run("Enabled", func(t *testing.T) {
bc.config.P2PSigExtensions = true
t.Run("NotYetValid", func(t *testing.T) {
tx := getNVBTx(bc.blockHeight + 1)
require.True(t, errors.Is(bc.VerifyTx(tx), ErrInvalidAttribute))
})
t.Run("positive", func(t *testing.T) {
tx := getNVBTx(bc.blockHeight)
require.NoError(t, bc.VerifyTx(tx))
})
})
})
t.Run("Reserved", func(t *testing.T) {
getReservedTx := func(attrType transaction.AttrType) *transaction.Transaction {
tx := bc.newTestTx(h, testScript)
tx.Attributes = append(tx.Attributes, transaction.Attribute{Type: attrType, Value: &transaction.Reserved{Value: []byte{1, 2, 3}}})
tx.NetworkFee += 4_000_000 // multisig check
tx.Signers = []transaction.Signer{{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
}}
rawScript := testchain.CommitteeVerificationScript()
require.NoError(t, err)
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), rawScript)
tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: rawScript,
}}
return tx
}
t.Run("Disabled", func(t *testing.T) {
tx := getReservedTx(transaction.ReservedLowerBound + 3)
require.Error(t, bc.VerifyTx(tx))
})
t.Run("Enabled", func(t *testing.T) {
bc.config.ReservedAttributes = true
tx := getReservedTx(transaction.ReservedLowerBound + 3)
require.NoError(t, bc.VerifyTx(tx))
})
})
t.Run("Conflicts", func(t *testing.T) {
getConflictsTx := func(hashes ...util.Uint256) *transaction.Transaction {
tx := bc.newTestTx(h, testScript)
tx.Attributes = make([]transaction.Attribute, len(hashes))
for i, h := range hashes {
tx.Attributes[i] = transaction.Attribute{
Type: transaction.ConflictsT,
Value: &transaction.Conflicts{
Hash: h,
},
}
}
tx.NetworkFee += 4_000_000 // multisig check
tx.Signers = []transaction.Signer{{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
}}
rawScript := testchain.CommitteeVerificationScript()
require.NoError(t, err)
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), rawScript)
tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: rawScript,
}}
return tx
}
t.Run("disabled", func(t *testing.T) {
bc.config.P2PSigExtensions = false
tx := getConflictsTx(util.Uint256{1, 2, 3})
require.Error(t, bc.VerifyTx(tx))
})
t.Run("enabled", func(t *testing.T) {
bc.config.P2PSigExtensions = true
t.Run("dummy on-chain conflict", func(t *testing.T) {
tx := bc.newTestTx(h, testScript)
require.NoError(t, accs[0].SignTx(tx))
dummyTx := transaction.NewTrimmedTX(tx.Hash())
dummyTx.Version = transaction.DummyVersion
require.NoError(t, bc.dao.StoreAsTransaction(dummyTx, bc.blockHeight, nil))
require.True(t, errors.Is(bc.VerifyTx(tx), ErrHasConflicts))
})
t.Run("attribute on-chain conflict", func(t *testing.T) {
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
tx.ValidUntilBlock = 4242
tx.Signers = []transaction.Signer{{
Account: testchain.MultisigScriptHash(),
Scopes: transaction.None,
}}
require.NoError(t, testchain.SignTx(bc, tx))
b := bc.newBlock(tx)
require.NoError(t, bc.AddBlock(b))
txConflict := getConflictsTx(tx.Hash())
require.Error(t, bc.VerifyTx(txConflict))
})
t.Run("positive", func(t *testing.T) {
tx := getConflictsTx(random.Uint256())
require.NoError(t, bc.VerifyTx(tx))
})
})
})
t.Run("NotaryAssisted", func(t *testing.T) {
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notary, err := wallet.NewAccount()
require.NoError(t, err)
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txSetNotary := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 0)
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setSigner(txSetNotary, testchain.CommitteeScriptHash())
txSetNotary.Scripts = []transaction.Witness{{
InvocationScript: testchain.SignCommittee(txSetNotary.GetSignedPart()),
VerificationScript: testchain.CommitteeVerificationScript(),
}}
bl := block.New(netmode.UnitTestNet, false)
bl.Index = bc.BlockHeight() + 1
ic := bc.newInteropContext(trigger.All, bc.dao, bl, txSetNotary)
ic.SpawnVM()
ic.VM.LoadScript([]byte{byte(opcode.RET)})
require.NoError(t, bc.contracts.Designate.DesignateAsRole(ic, noderoles.P2PNotary, keys.PublicKeys{notary.PrivateKey().PublicKey()}))
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_, err = ic.DAO.Persist()
require.NoError(t, err)
getNotaryAssistedTx := func(signaturesCount uint8, serviceFee int64) *transaction.Transaction {
tx := bc.newTestTx(h, testScript)
tx.Attributes = append(tx.Attributes, transaction.Attribute{Type: transaction.NotaryAssistedT, Value: &transaction.NotaryAssisted{
NKeys: signaturesCount,
}})
tx.NetworkFee += serviceFee // additional fee for NotaryAssisted attribute
tx.NetworkFee += 4_000_000 // multisig check
tx.Signers = []transaction.Signer{{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
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},
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.None,
},
}
rawScript := testchain.CommitteeVerificationScript()
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), rawScript)
tx.NetworkFee += netFee
tx.NetworkFee += int64(size+sizeDelta) * bc.FeePerByte()
data := tx.GetSignedPart()
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tx.Scripts = []transaction.Witness{
{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: rawScript,
},
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, notary.PrivateKey().Sign(data)...),
},
}
return tx
}
t.Run("Disabled", func(t *testing.T) {
bc.config.P2PSigExtensions = false
tx := getNotaryAssistedTx(0, 0)
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require.True(t, errors.Is(bc.VerifyTx(tx), ErrInvalidAttribute))
})
t.Run("Enabled, insufficient network fee", func(t *testing.T) {
bc.config.P2PSigExtensions = true
tx := getNotaryAssistedTx(1, 0)
require.Error(t, bc.VerifyTx(tx))
})
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t.Run("Test verify", func(t *testing.T) {
bc.config.P2PSigExtensions = true
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t.Run("no NotaryAssisted attribute", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
tx.Attributes = []transaction.Attribute{}
tx.Signers = []transaction.Signer{
{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
},
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.None,
},
}
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{
{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: testchain.CommitteeVerificationScript(),
},
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, notary.PrivateKey().Sign(data)...),
},
}
require.Error(t, bc.VerifyTx(tx))
})
t.Run("no deposit", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
tx.Signers = []transaction.Signer{
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.None,
},
{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
},
}
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, notary.PrivateKey().Sign(data)...),
},
{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: testchain.CommitteeVerificationScript(),
},
}
require.Error(t, bc.VerifyTx(tx))
})
t.Run("bad Notary signer scope", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
tx.Signers = []transaction.Signer{
{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
},
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.CalledByEntry,
},
}
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{
{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: testchain.CommitteeVerificationScript(),
},
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, notary.PrivateKey().Sign(data)...),
},
}
require.Error(t, bc.VerifyTx(tx))
})
t.Run("not signed by Notary", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
tx.Signers = []transaction.Signer{
{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
},
}
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{
{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: testchain.CommitteeVerificationScript(),
},
}
require.Error(t, bc.VerifyTx(tx))
})
t.Run("bad Notary node witness", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
tx.Signers = []transaction.Signer{
{
Account: testchain.CommitteeScriptHash(),
Scopes: transaction.None,
},
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.None,
},
}
data := tx.GetSignedPart()
acc, err := keys.NewPrivateKey()
require.NoError(t, err)
tx.Scripts = []transaction.Witness{
{
InvocationScript: testchain.SignCommittee(data),
VerificationScript: testchain.CommitteeVerificationScript(),
},
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, acc.Sign(data)...),
},
}
require.Error(t, bc.VerifyTx(tx))
})
t.Run("missing payer", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
tx.Signers = []transaction.Signer{
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.None,
},
}
data := tx.GetSignedPart()
tx.Scripts = []transaction.Witness{
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, notary.PrivateKey().Sign(data)...),
},
}
require.Error(t, bc.VerifyTx(tx))
})
t.Run("positive", func(t *testing.T) {
tx := getNotaryAssistedTx(1, (1+1)*transaction.NotaryServiceFeePerKey)
require.NoError(t, bc.VerifyTx(tx))
})
})
})
})
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t.Run("Partially-filled transaction", func(t *testing.T) {
bc.config.P2PSigExtensions = true
getPartiallyFilledTx := func(nvb uint32, validUntil uint32) *transaction.Transaction {
tx := bc.newTestTx(h, testScript)
tx.ValidUntilBlock = validUntil
tx.Attributes = []transaction.Attribute{
{
Type: transaction.NotValidBeforeT,
Value: &transaction.NotValidBefore{Height: nvb},
},
{
Type: transaction.NotaryAssistedT,
Value: &transaction.NotaryAssisted{NKeys: 0},
},
}
tx.Signers = []transaction.Signer{
{
Account: bc.contracts.Notary.Hash,
Scopes: transaction.None,
},
{
Account: testchain.MultisigScriptHash(),
Scopes: transaction.None,
},
}
size := io.GetVarSize(tx)
netFee, sizeDelta := fee.Calculate(bc.GetBaseExecFee(), testchain.MultisigVerificationScript())
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tx.NetworkFee = netFee + // multisig witness verification price
int64(size)*bc.FeePerByte() + // fee for unsigned size
int64(sizeDelta)*bc.FeePerByte() + //fee for multisig size
66*bc.FeePerByte() + // fee for Notary signature size (66 bytes for Invocation script and 0 bytes for Verification script)
2*bc.FeePerByte() + // fee for the length of each script in Notary witness (they are nil, so we did not take them into account during `size` calculation)
transaction.NotaryServiceFeePerKey + // fee for Notary attribute
fee.Opcode(bc.GetBaseExecFee(), // Notary verification script
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opcode.PUSHDATA1, opcode.RET, // invocation script
opcode.PUSH0, opcode.SYSCALL, opcode.RET) + // Neo.Native.Call
nativeprices.NotaryVerificationPrice*bc.GetBaseExecFee() // Notary witness verification price
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tx.Scripts = []transaction.Witness{
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, make([]byte, 64, 64)...),
VerificationScript: []byte{},
},
{
InvocationScript: testchain.Sign(tx.GetSignedPart()),
VerificationScript: testchain.MultisigVerificationScript(),
},
}
return tx
}
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mp := mempool.New(10, 1, false)
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verificationF := func(bc blockchainer.Blockchainer, tx *transaction.Transaction, data interface{}) error {
if data.(int) > 5 {
return errors.New("bad data")
}
return nil
}
t.Run("failed pre-verification", func(t *testing.T) {
tx := getPartiallyFilledTx(bc.blockHeight, bc.blockHeight+1)
require.Error(t, bc.PoolTxWithData(tx, 6, mp, bc, verificationF)) // here and below let's use `bc` instead of proper NotaryFeer for the test simplicity.
})
t.Run("GasLimitExceeded during witness verification", func(t *testing.T) {
tx := getPartiallyFilledTx(bc.blockHeight, bc.blockHeight+1)
tx.NetworkFee-- // to check that NetworkFee was set correctly in getPartiallyFilledTx
tx.Scripts = []transaction.Witness{
{
InvocationScript: append([]byte{byte(opcode.PUSHDATA1), 64}, make([]byte, 64, 64)...),
VerificationScript: []byte{},
},
{
InvocationScript: testchain.Sign(tx.GetSignedPart()),
VerificationScript: testchain.MultisigVerificationScript(),
},
}
require.Error(t, bc.PoolTxWithData(tx, 5, mp, bc, verificationF))
})
t.Run("bad NVB: too big", func(t *testing.T) {
tx := getPartiallyFilledTx(bc.blockHeight+bc.contracts.Notary.GetMaxNotValidBeforeDelta(bc.dao)+1, bc.blockHeight+1)
require.True(t, errors.Is(bc.PoolTxWithData(tx, 5, mp, bc, verificationF), ErrInvalidAttribute))
})
t.Run("bad ValidUntilBlock: too small", func(t *testing.T) {
tx := getPartiallyFilledTx(bc.blockHeight, bc.blockHeight+bc.contracts.Notary.GetMaxNotValidBeforeDelta(bc.dao)+1)
require.True(t, errors.Is(bc.PoolTxWithData(tx, 5, mp, bc, verificationF), ErrInvalidAttribute))
})
t.Run("good", func(t *testing.T) {
tx := getPartiallyFilledTx(bc.blockHeight, bc.blockHeight+1)
require.NoError(t, bc.PoolTxWithData(tx, 5, mp, bc, verificationF))
})
})
}
func TestVerifyHashAgainstScript(t *testing.T) {
bc := newTestChain(t)
cs, csInvalid := getTestContractState(bc)
ic := bc.newInteropContext(trigger.Verification, bc.dao, nil, nil)
require.NoError(t, bc.contracts.Management.PutContractState(bc.dao, cs))
require.NoError(t, bc.contracts.Management.PutContractState(bc.dao, csInvalid))
gas := bc.contracts.Policy.GetMaxVerificationGas(ic.DAO)
t.Run("Contract", func(t *testing.T) {
t.Run("Missing", func(t *testing.T) {
newH := cs.Hash
newH[0] = ^newH[0]
w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH4)}}
_, err := bc.verifyHashAgainstScript(newH, w, ic, gas)
require.True(t, errors.Is(err, ErrUnknownVerificationContract))
})
t.Run("Invalid", func(t *testing.T) {
w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH4)}}
_, err := bc.verifyHashAgainstScript(csInvalid.Hash, w, ic, gas)
require.True(t, errors.Is(err, ErrInvalidVerificationContract))
})
t.Run("ValidSignature", func(t *testing.T) {
w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH4)}}
_, err := bc.verifyHashAgainstScript(cs.Hash, w, ic, gas)
require.NoError(t, err)
})
t.Run("InvalidSignature", func(t *testing.T) {
w := &transaction.Witness{InvocationScript: []byte{byte(opcode.PUSH3)}}
_, err := bc.verifyHashAgainstScript(cs.Hash, w, ic, gas)
require.True(t, errors.Is(err, ErrVerificationFailed))
})
})
t.Run("NotEnoughGas", func(t *testing.T) {
verif := []byte{byte(opcode.PUSH1)}
w := &transaction.Witness{
InvocationScript: []byte{byte(opcode.NOP)},
VerificationScript: verif,
}
_, err := bc.verifyHashAgainstScript(hash.Hash160(verif), w, ic, 1)
require.True(t, errors.Is(err, ErrVerificationFailed))
})
t.Run("NoResult", func(t *testing.T) {
verif := []byte{byte(opcode.DROP)}
w := &transaction.Witness{
InvocationScript: []byte{byte(opcode.PUSH1)},
VerificationScript: verif,
}
_, err := bc.verifyHashAgainstScript(hash.Hash160(verif), w, ic, 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, 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, gas)
require.True(t, errors.Is(err, ErrVerificationFailed))
})
}
func TestIsTxStillRelevant(t *testing.T) {
bc := newTestChain(t)
mp := bc.GetMemPool()
newTx := func(t *testing.T) *transaction.Transaction {
tx := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.RET)}, 100)
tx.ValidUntilBlock = bc.BlockHeight() + 1
tx.Signers = []transaction.Signer{{
Account: neoOwner,
Scopes: transaction.CalledByEntry,
}}
return tx
}
t.Run("small ValidUntilBlock", func(t *testing.T) {
tx := newTx(t)
require.NoError(t, testchain.SignTx(bc, tx))
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require.True(t, bc.IsTxStillRelevant(tx, nil, false))
require.NoError(t, bc.AddBlock(bc.newBlock()))
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require.False(t, bc.IsTxStillRelevant(tx, nil, false))
})
t.Run("tx is already persisted", func(t *testing.T) {
tx := newTx(t)
tx.ValidUntilBlock = bc.BlockHeight() + 2
require.NoError(t, testchain.SignTx(bc, tx))
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require.True(t, bc.IsTxStillRelevant(tx, nil, false))
require.NoError(t, bc.AddBlock(bc.newBlock(tx)))
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require.False(t, bc.IsTxStillRelevant(tx, nil, false))
})
t.Run("tx with Conflicts attribute", func(t *testing.T) {
tx1 := newTx(t)
require.NoError(t, testchain.SignTx(bc, tx1))
tx2 := newTx(t)
tx2.Attributes = []transaction.Attribute{{
Type: transaction.ConflictsT,
Value: &transaction.Conflicts{Hash: tx1.Hash()},
}}
require.NoError(t, testchain.SignTx(bc, tx2))
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require.True(t, bc.IsTxStillRelevant(tx1, mp, false))
require.NoError(t, bc.verifyAndPoolTx(tx2, mp, bc))
require.False(t, bc.IsTxStillRelevant(tx1, mp, false))
})
t.Run("NotValidBefore", func(t *testing.T) {
tx3 := newTx(t)
tx3.Attributes = []transaction.Attribute{{
Type: transaction.NotValidBeforeT,
Value: &transaction.NotValidBefore{Height: bc.BlockHeight() + 1},
}}
tx3.ValidUntilBlock = bc.BlockHeight() + 2
require.NoError(t, testchain.SignTx(bc, tx3))
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require.False(t, bc.IsTxStillRelevant(tx3, nil, false))
require.NoError(t, bc.AddBlock(bc.newBlock()))
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require.True(t, bc.IsTxStillRelevant(tx3, nil, false))
})
t.Run("contract witness check fails", func(t *testing.T) {
src := fmt.Sprintf(`package verify
import (
"github.com/nspcc-dev/neo-go/pkg/interop/contract"
"github.com/nspcc-dev/neo-go/pkg/interop/util"
)
func Verify() bool {
addr := util.FromAddress("`+address.Uint160ToString(bc.contracts.Ledger.Hash)+`")
currentHeight := contract.Call(addr, "currentIndex", contract.ReadStates)
return currentHeight.(int) < %d
}`, bc.BlockHeight()+2) // deploy + next block
txDeploy, h, _, err := testchain.NewDeployTx(bc, "TestVerify", neoOwner, strings.NewReader(src), nil)
require.NoError(t, err)
txDeploy.ValidUntilBlock = bc.BlockHeight() + 1
addSigners(neoOwner, txDeploy)
require.NoError(t, testchain.SignTx(bc, txDeploy))
require.NoError(t, bc.AddBlock(bc.newBlock(txDeploy)))
tx := newTx(t)
tx.Signers = append(tx.Signers, transaction.Signer{
Account: h,
Scopes: transaction.None,
})
tx.NetworkFee += 10_000_000
require.NoError(t, testchain.SignTx(bc, tx))
tx.Scripts = append(tx.Scripts, transaction.Witness{})
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require.True(t, bc.IsTxStillRelevant(tx, mp, false))
require.NoError(t, bc.AddBlock(bc.newBlock()))
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require.False(t, bc.IsTxStillRelevant(tx, mp, false))
})
}
func TestMemPoolRemoval(t *testing.T) {
const added = 16
const notAdded = 32
bc := newTestChain(t)
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, testchain.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, testchain.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)
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tx1 := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH1)}, 0)
tx1.ValidUntilBlock = 16
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tx1.Signers = []transaction.Signer{{
Account: testchain.MultisigScriptHash(),
Scopes: transaction.CalledByEntry,
}}
tx2 := transaction.New(netmode.UnitTestNet, []byte{byte(opcode.PUSH2)}, 0)
tx2.ValidUntilBlock = 16
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tx2.Signers = []transaction.Signer{{
Account: testchain.MultisigScriptHash(),
Scopes: transaction.CalledByEntry,
}}
require.NoError(t, testchain.SignTx(bc, tx1, tx2))
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b1 := bc.newBlock(tx1)
assert.Nil(t, bc.AddBlock(b1))
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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, txSize, tx.Size())
assert.Equal(t, block.Transactions[0], tx)
assert.Equal(t, 1, io.GetVarSize(tx.Attributes))
assert.Equal(t, 1, io.GetVarSize(tx.Scripts))
assert.NoError(t, bc.persist())
}
}
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func TestGetClaimable(t *testing.T) {
bc := newTestChain(t)
_, err := bc.genBlocks(10)
require.NoError(t, err)
t.Run("first generation period", func(t *testing.T) {
amount, err := bc.CalculateClaimable(neoOwner, 1)
require.NoError(t, err)
require.EqualValues(t, big.NewInt(5*native.GASFactor/10), amount)
})
}
func TestClose(t *testing.T) {
defer func() {
r := recover()
assert.NotNil(t, r)
}()
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bc := initTestChain(t, nil, nil)
go bc.Run()
_, 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().
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_ = 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)
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.Len(t, notificationCh, 1) // validator bounty
assert.Len(t, executionCh, 2)
assert.Empty(t, txCh)
b := <-blockCh
assert.Equal(t, blocks[0], b)
assert.Empty(t, blockCh)
aer := <-executionCh
assert.Equal(t, b.Hash(), aer.Container)
aer = <-executionCh
assert.Equal(t, b.Hash(), aer.Container)
notif := <-notificationCh
require.Equal(t, bc.UtilityTokenHash(), notif.ScriptHash)
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 = 1024
require.NoError(t, testchain.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.Opcodes(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 = 1024
require.NoError(t, testchain.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 = 1024
require.NoError(t, testchain.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.Container)
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.Container)
if exec.VMState == vm.HaltState {
notif := <-notificationCh
require.Equal(t, hash.Hash160(tx.Script), notif.ScriptHash)
}
}
assert.Empty(t, txCh)
assert.Len(t, notificationCh, 1)
assert.Len(t, executionCh, 1)
notif = <-notificationCh
require.Equal(t, bc.UtilityTokenHash(), notif.ScriptHash)
exec = <-executionCh
require.Equal(t, b.Hash(), exec.Container)
require.Equal(t, exec.VMState, vm.HaltState)
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)
}
func testDumpAndRestore(t *testing.T, dumpF, restoreF func(c *config.Config)) {
if restoreF == nil {
restoreF = dumpF
}
bc := newTestChainWithCustomCfg(t, dumpF)
initBasicChain(t, bc)
require.True(t, bc.BlockHeight() > 5) // ensure that test is valid
w := io.NewBufBinWriter()
require.NoError(t, chaindump.Dump(bc, w.BinWriter, 0, bc.BlockHeight()+1))
require.NoError(t, w.Err)
buf := w.Bytes()
t.Run("invalid start", func(t *testing.T) {
bc2 := newTestChainWithCustomCfg(t, restoreF)
r := io.NewBinReaderFromBuf(buf)
require.Error(t, chaindump.Restore(bc2, r, 2, 1, nil))
})
t.Run("good", func(t *testing.T) {
bc2 := newTestChainWithCustomCfg(t, restoreF)
r := io.NewBinReaderFromBuf(buf)
require.NoError(t, chaindump.Restore(bc2, r, 0, 2, nil))
require.Equal(t, uint32(1), bc2.BlockHeight())
r = io.NewBinReaderFromBuf(buf) // new reader because start is relative to dump
require.NoError(t, chaindump.Restore(bc2, r, 2, 1, nil))
t.Run("check handler", func(t *testing.T) {
lastIndex := uint32(0)
errStopped := errors.New("stopped")
f := func(b *block.Block) error {
lastIndex = b.Index
if b.Index >= bc.BlockHeight()-1 {
return errStopped
}
return nil
}
require.NoError(t, chaindump.Restore(bc2, r, 0, 1, f))
require.Equal(t, bc2.BlockHeight(), lastIndex)
r = io.NewBinReaderFromBuf(buf)
err := chaindump.Restore(bc2, r, 4, bc.BlockHeight()-bc2.BlockHeight(), f)
require.True(t, errors.Is(err, errStopped))
require.Equal(t, bc.BlockHeight()-1, lastIndex)
})
})
}
func TestDumpAndRestore(t *testing.T) {
t.Run("no state root", func(t *testing.T) {
testDumpAndRestore(t, func(c *config.Config) {
c.ProtocolConfiguration.StateRootInHeader = false
}, nil)
})
t.Run("with state root", func(t *testing.T) {
testDumpAndRestore(t, func(c *config.Config) {
c.ProtocolConfiguration.StateRootInHeader = false
}, nil)
})
t.Run("remove untraceable", func(t *testing.T) {
// Dump can only be created if all blocks and transactions are present.
testDumpAndRestore(t, nil, func(c *config.Config) {
c.ProtocolConfiguration.MaxTraceableBlocks = 2
c.ProtocolConfiguration.RemoveUntraceableBlocks = true
})
})
}
func TestRemoveUntraceable(t *testing.T) {
bc := newTestChainWithCustomCfg(t, func(c *config.Config) {
c.ProtocolConfiguration.MaxTraceableBlocks = 2
c.ProtocolConfiguration.RemoveUntraceableBlocks = true
})
tx1, err := testchain.NewTransferFromOwner(bc, bc.contracts.NEO.Hash, util.Uint160{}, 1, 0, bc.BlockHeight()+1)
require.NoError(t, err)
b1 := bc.newBlock(tx1)
require.NoError(t, bc.AddBlock(b1))
tx1Height := bc.BlockHeight()
tx2, err := testchain.NewTransferFromOwner(bc, bc.contracts.NEO.Hash, util.Uint160{}, 1, 0, bc.BlockHeight()+1)
require.NoError(t, err)
require.NoError(t, bc.AddBlock(bc.newBlock(tx2)))
_, h1, err := bc.GetTransaction(tx1.Hash())
require.NoError(t, err)
require.Equal(t, tx1Height, h1)
require.NoError(t, bc.AddBlock(bc.newBlock()))
_, _, err = bc.GetTransaction(tx1.Hash())
require.Error(t, err)
_, err = bc.GetAppExecResults(tx1.Hash(), trigger.Application)
require.Error(t, err)
_, err = bc.GetBlock(b1.Hash())
require.Error(t, err)
_, err = bc.GetHeader(b1.Hash())
require.NoError(t, err)
}
func TestInvalidNotification(t *testing.T) {
bc := newTestChain(t)
cs, _ := getTestContractState(bc)
require.NoError(t, bc.contracts.Management.PutContractState(bc.dao, cs))
aer, err := invokeContractMethod(bc, 1_00000000, cs.Hash, "invalidStack")
require.NoError(t, err)
require.Equal(t, 2, len(aer.Stack))
require.Nil(t, aer.Stack[0])
require.Equal(t, stackitem.InteropT, aer.Stack[1].Type())
}
// Test that deletion of non-existent doesn't result in error in tx or block addition.
func TestMPTDeleteNoKey(t *testing.T) {
bc := newTestChain(t)
cs, _ := getTestContractState(bc)
require.NoError(t, bc.contracts.Management.PutContractState(bc.dao, cs))
aer, err := invokeContractMethod(bc, 1_00000000, cs.Hash, "delValue", "non-existent-key")
require.NoError(t, err)
require.Equal(t, vm.HaltState, aer.VMState)
}
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// Test that UpdateHistory is added to ProtocolConfiguration for all native contracts
// for all default configurations. If UpdateHistory is not added to config, then
// native contract is disabled. It's easy to forget about config while adding new
// native contract.
func TestConfigNativeUpdateHistory(t *testing.T) {
const prefixPath = "../../config"
check := func(t *testing.T, cfgFileSuffix interface{}) {
cfgPath := path.Join(prefixPath, fmt.Sprintf("protocol.%s.yml", cfgFileSuffix))
cfg, err := config.LoadFile(cfgPath)
require.NoError(t, err, fmt.Errorf("failed to load %s", cfgPath))
natives := native.NewContracts(cfg.ProtocolConfiguration.P2PSigExtensions, map[string][]uint32{})
assert.Equal(t, len(natives.Contracts),
len(cfg.ProtocolConfiguration.NativeUpdateHistories),
fmt.Errorf("protocol configuration file %s: extra or missing NativeUpdateHistory in NativeActivations section", cfgPath))
for _, c := range natives.Contracts {
assert.NotNil(t, cfg.ProtocolConfiguration.NativeUpdateHistories[c.Metadata().Name],
fmt.Errorf("protocol configuration file %s: configuration for %s native contract is missing in NativeActivations section; "+
"edit the test if the contract should be disabled", cfgPath, c.Metadata().Name))
}
}
testCases := []interface{}{
netmode.MainNet,
netmode.PrivNet,
netmode.TestNet,
netmode.UnitTestNet,
"privnet.docker.one",
"privnet.docker.two",
"privnet.docker.three",
"privnet.docker.four",
"privnet.docker.single",
"unit_testnet.single",
}
for _, tc := range testCases {
check(t, tc)
}
}