neoneo-go/pkg/core/interop_neo_test.go
Anna Shaleva 7a2d37cf7e core: update System.Blockchain.GetBlock interop
closes #1025

Now we put on stack stackitem.Array instead of Interop, so we're able to
use all available block properties without extra interop getters.
Removed Neo.Blockchain.GetBlock interop as we don't need it anymore.
2020-06-09 23:24:04 +03:00

382 lines
11 KiB
Go

package core
import (
"fmt"
"math/big"
"testing"
"github.com/nspcc-dev/neo-go/pkg/core/block"
"github.com/nspcc-dev/neo-go/pkg/core/dao"
"github.com/nspcc-dev/neo-go/pkg/core/interop"
"github.com/nspcc-dev/neo-go/pkg/core/interop/crypto"
"github.com/nspcc-dev/neo-go/pkg/core/interop/enumerator"
"github.com/nspcc-dev/neo-go/pkg/core/interop/iterator"
"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/keys"
"github.com/nspcc-dev/neo-go/pkg/internal/random"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"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/opcode"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/stretchr/testify/require"
)
/* Missing tests:
* TestTxGetWitnesses
* TestBcGetAccount
* TestAccountGetBalance
* TestAccountIsStandard
* TestCreateContractStateFromVM
* TestContractCreate
* TestContractMigrate
* TestRuntimeSerialize
* TestRuntimeDeserialize
*/
func TestGetTrigger(t *testing.T) {
v, _, context, chain := createVMAndPushBlock(t)
defer chain.Close()
require.NoError(t, runtimeGetTrigger(context, v))
}
func TestStorageFind(t *testing.T) {
v, contractState, context, chain := createVMAndContractState(t)
defer chain.Close()
skeys := [][]byte{{0x01, 0x02}, {0x02, 0x01}, {0x01, 0x01}}
items := []*state.StorageItem{
{
Value: []byte{0x01, 0x02, 0x03, 0x04},
},
{
Value: []byte{0x04, 0x03, 0x02, 0x01},
},
{
Value: []byte{0x03, 0x04, 0x05, 0x06},
},
}
require.NoError(t, context.DAO.PutContractState(contractState))
scriptHash := contractState.ScriptHash()
for i := range skeys {
err := context.DAO.PutStorageItem(scriptHash, skeys[i], items[i])
require.NoError(t, err)
}
t.Run("normal invocation", func(t *testing.T) {
v.Estack().PushVal([]byte{0x01})
v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ScriptHash: scriptHash}))
err := storageFind(context, v)
require.NoError(t, err)
var iter *stackitem.Interop
require.NotPanics(t, func() { iter = v.Estack().Top().Interop() })
require.NoError(t, enumerator.Next(context, v))
require.True(t, v.Estack().Pop().Bool())
v.Estack().PushVal(iter)
require.NoError(t, iterator.Key(context, v))
require.Equal(t, []byte{0x01, 0x01}, v.Estack().Pop().Bytes())
v.Estack().PushVal(iter)
require.NoError(t, enumerator.Value(context, v))
require.Equal(t, []byte{0x03, 0x04, 0x05, 0x06}, v.Estack().Pop().Bytes())
v.Estack().PushVal(iter)
require.NoError(t, enumerator.Next(context, v))
require.True(t, v.Estack().Pop().Bool())
v.Estack().PushVal(iter)
require.NoError(t, iterator.Key(context, v))
require.Equal(t, []byte{0x01, 0x02}, v.Estack().Pop().Bytes())
v.Estack().PushVal(iter)
require.NoError(t, enumerator.Value(context, v))
require.Equal(t, []byte{0x01, 0x02, 0x03, 0x04}, v.Estack().Pop().Bytes())
v.Estack().PushVal(iter)
require.NoError(t, enumerator.Next(context, v))
require.False(t, v.Estack().Pop().Bool())
})
t.Run("normal invocation, empty result", func(t *testing.T) {
v.Estack().PushVal([]byte{0x03})
v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ScriptHash: scriptHash}))
err := storageFind(context, v)
require.NoError(t, err)
require.NoError(t, enumerator.Next(context, v))
require.False(t, v.Estack().Pop().Bool())
})
t.Run("invalid type for StorageContext", func(t *testing.T) {
v.Estack().PushVal([]byte{0x01})
v.Estack().PushVal(stackitem.NewInterop(nil))
require.Error(t, storageFind(context, v))
})
t.Run("invalid script hash", func(t *testing.T) {
invalidHash := scriptHash
invalidHash[0] = ^invalidHash[0]
v.Estack().PushVal([]byte{0x01})
v.Estack().PushVal(stackitem.NewInterop(&StorageContext{ScriptHash: invalidHash}))
require.Error(t, storageFind(context, v))
})
}
func TestHeaderGetVersion(t *testing.T) {
v, block, context, chain := createVMAndPushBlock(t)
defer chain.Close()
err := headerGetVersion(context, v)
require.NoError(t, err)
value := v.Estack().Pop().Value().(*big.Int)
require.Equal(t, uint64(block.Version), value.Uint64())
}
func TestHeaderGetVersion_Negative(t *testing.T) {
v := vm.New()
block := newDumbBlock()
chain := newTestChain(t)
defer chain.Close()
context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), block, nil)
v.Estack().PushVal(stackitem.NewBool(false))
err := headerGetVersion(context, v)
require.Errorf(t, err, "value is not a header or block")
}
func TestHeaderGetMerkleRoot(t *testing.T) {
v, block, context, chain := createVMAndPushBlock(t)
defer chain.Close()
err := headerGetMerkleRoot(context, v)
require.NoError(t, err)
value := v.Estack().Pop().Value()
require.Equal(t, block.MerkleRoot.BytesBE(), value)
}
func TestHeaderGetNextConsensus(t *testing.T) {
v, block, context, chain := createVMAndPushBlock(t)
defer chain.Close()
err := headerGetNextConsensus(context, v)
require.NoError(t, err)
value := v.Estack().Pop().Value()
require.Equal(t, block.NextConsensus.BytesBE(), value)
}
func TestWitnessGetVerificationScript(t *testing.T) {
v := vm.New()
script := []byte{byte(opcode.PUSHM1), byte(opcode.RET)}
witness := transaction.Witness{InvocationScript: nil, VerificationScript: script}
chain := newTestChain(t)
defer chain.Close()
context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
v.Estack().PushVal(stackitem.NewInterop(&witness))
err := witnessGetVerificationScript(context, v)
require.NoError(t, err)
value := v.Estack().Pop().Value().([]byte)
require.Equal(t, witness.VerificationScript, value)
}
func TestECDSAVerify(t *testing.T) {
priv, err := keys.NewPrivateKey()
require.NoError(t, err)
chain := newTestChain(t)
defer chain.Close()
ic := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
runCase := func(t *testing.T, isErr bool, result interface{}, args ...interface{}) {
v := vm.New()
for i := range args {
v.Estack().PushVal(args[i])
}
var err error
func() {
defer func() {
if r := recover(); r != nil {
err = fmt.Errorf("panic: %v", r)
}
}()
err = crypto.ECDSAVerify(ic, v)
}()
if isErr {
require.Error(t, err)
return
}
require.NoError(t, err)
require.Equal(t, 1, v.Estack().Len())
require.Equal(t, result, v.Estack().Pop().Value().(bool))
}
msg := []byte("test message")
t.Run("success", func(t *testing.T) {
sign := priv.Sign(msg)
runCase(t, false, true, sign, priv.PublicKey().Bytes(), msg)
})
t.Run("signed interop item", func(t *testing.T) {
tx := transaction.New([]byte{0, 1, 2}, 1)
msg := tx.GetSignedPart()
sign := priv.Sign(msg)
runCase(t, false, true, sign, priv.PublicKey().Bytes(), stackitem.NewInterop(tx))
})
t.Run("signed script container", func(t *testing.T) {
tx := transaction.New([]byte{0, 1, 2}, 1)
msg := tx.GetSignedPart()
sign := priv.Sign(msg)
ic.Container = tx
runCase(t, false, true, sign, priv.PublicKey().Bytes(), stackitem.Null{})
})
t.Run("missing arguments", func(t *testing.T) {
runCase(t, true, false)
sign := priv.Sign(msg)
runCase(t, true, false, sign)
runCase(t, true, false, sign, priv.PublicKey().Bytes())
})
t.Run("invalid signature", func(t *testing.T) {
sign := priv.Sign(msg)
sign[0] = ^sign[0]
runCase(t, false, false, sign, priv.PublicKey().Bytes(), msg)
})
t.Run("invalid public key", func(t *testing.T) {
sign := priv.Sign(msg)
pub := priv.PublicKey().Bytes()
pub = pub[10:]
runCase(t, true, false, sign, pub, msg)
})
}
func TestAccountGetScriptHash(t *testing.T) {
v, accState, context, chain := createVMAndAccState(t)
defer chain.Close()
v.Estack().PushVal(stackitem.NewInterop(accState))
err := accountGetScriptHash(context, v)
require.NoError(t, err)
hash := v.Estack().Pop().Value()
require.Equal(t, accState.ScriptHash.BytesBE(), hash)
}
func TestContractGetScript(t *testing.T) {
v, contractState, context, chain := createVMAndContractState(t)
defer chain.Close()
v.Estack().PushVal(stackitem.NewInterop(contractState))
err := contractGetScript(context, v)
require.NoError(t, err)
script := v.Estack().Pop().Value()
require.Equal(t, contractState.Script, script)
}
func TestContractIsPayable(t *testing.T) {
v, contractState, context, chain := createVMAndContractState(t)
defer chain.Close()
v.Estack().PushVal(stackitem.NewInterop(contractState))
err := contractIsPayable(context, v)
require.NoError(t, err)
isPayable := v.Estack().Pop().Value()
require.Equal(t, contractState.IsPayable(), isPayable)
}
// Helper functions to create VM, InteropContext, TX, Account, Contract.
func createVM(t *testing.T) (*vm.VM, *interop.Context, *Blockchain) {
v := vm.New()
chain := newTestChain(t)
context := chain.newInteropContext(trigger.Application,
dao.NewSimple(storage.NewMemoryStore()), nil, nil)
return v, context, chain
}
func createVMAndPushBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) {
v, block, context, chain := createVMAndBlock(t)
v.Estack().PushVal(stackitem.NewInterop(block))
return v, block, context, chain
}
func createVMAndBlock(t *testing.T) (*vm.VM, *block.Block, *interop.Context, *Blockchain) {
v := vm.New()
block := newDumbBlock()
chain := newTestChain(t)
context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), block, nil)
return v, block, context, chain
}
func createVMAndPushTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) {
v, tx, context, chain := createVMAndTX(t)
v.Estack().PushVal(stackitem.NewInterop(tx))
return v, tx, context, chain
}
func createVMAndContractState(t *testing.T) (*vm.VM, *state.Contract, *interop.Context, *Blockchain) {
v := vm.New()
contractState := &state.Contract{
Script: []byte("testscript"),
ParamList: []smartcontract.ParamType{smartcontract.StringType, smartcontract.IntegerType, smartcontract.Hash160Type},
ReturnType: smartcontract.ArrayType,
Properties: smartcontract.HasStorage,
Name: random.String(10),
CodeVersion: random.String(10),
Author: random.String(10),
Email: random.String(10),
Description: random.String(10),
}
chain := newTestChain(t)
context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
return v, contractState, context, chain
}
func createVMAndAccState(t *testing.T) (*vm.VM, *state.Account, *interop.Context, *Blockchain) {
v := vm.New()
rawHash := "4d3b96ae1bcc5a585e075e3b81920210dec16302"
hash, err := util.Uint160DecodeStringBE(rawHash)
accountState := state.NewAccount(hash)
require.NoError(t, err)
chain := newTestChain(t)
context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, nil)
return v, accountState, context, chain
}
func createVMAndTX(t *testing.T) (*vm.VM, *transaction.Transaction, *interop.Context, *Blockchain) {
v := vm.New()
script := []byte{byte(opcode.PUSH1), byte(opcode.RET)}
tx := transaction.New(script, 0)
bytes := make([]byte, 1)
attributes := append(tx.Attributes, transaction.Attribute{
Usage: transaction.Description,
Data: bytes,
})
tx.Attributes = attributes
chain := newTestChain(t)
context := chain.newInteropContext(trigger.Application, dao.NewSimple(storage.NewMemoryStore()), nil, tx)
return v, tx, context, chain
}