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neoneo-go/pkg/vm/vm_test.go
Roman Khimov 8d4dd2d2e1 vm: move opcodes into their own package 
This allows easier reuse of opcodes and in some cases allows to eliminate
dependencies on the whole vm package, like in compiler that only needs opcodes
and doesn't care about VM for any other purpose.

And yes, they're opcodes because an instruction is a whole thing with
operands, that's what context.Next() returns.
2019-12-03 18:22:14 +03:00

2415 lines
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package vm
import (
"bytes"
"encoding/binary"
"encoding/hex"
"math/big"
"math/rand"
"testing"
"github.com/CityOfZion/neo-go/pkg/crypto/hash"
"github.com/CityOfZion/neo-go/pkg/crypto/keys"
"github.com/CityOfZion/neo-go/pkg/util"
"github.com/CityOfZion/neo-go/pkg/vm/opcode"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestInteropHook(t *testing.T) {
v := New()
v.RegisterInteropFunc("foo", func(evm *VM) error {
evm.Estack().PushVal(1)
return nil
}, 1)
buf := new(bytes.Buffer)
EmitSyscall(buf, "foo")
EmitOpcode(buf, opcode.RET)
v.Load(buf.Bytes())
runVM(t, v)
assert.Equal(t, 1, v.estack.Len())
assert.Equal(t, big.NewInt(1), v.estack.Pop().value.Value())
}
func TestRegisterInterop(t *testing.T) {
v := New()
currRegistered := len(v.interop)
v.RegisterInteropFunc("foo", func(evm *VM) error { return nil }, 1)
assert.Equal(t, currRegistered+1, len(v.interop))
_, ok := v.interop["foo"]
assert.Equal(t, true, ok)
}
func TestPushBytes1to75(t *testing.T) {
buf := new(bytes.Buffer)
for i := 1; i <= 75; i++ {
b := randomBytes(i)
EmitBytes(buf, b)
vm := load(buf.Bytes())
err := vm.Step()
require.NoError(t, err)
assert.Equal(t, 1, vm.estack.Len())
elem := vm.estack.Pop()
assert.IsType(t, &ByteArrayItem{}, elem.value)
assert.IsType(t, elem.Bytes(), b)
assert.Equal(t, 0, vm.estack.Len())
errExec := vm.execute(nil, opcode.RET, nil)
require.NoError(t, errExec)
assert.Equal(t, 0, vm.astack.Len())
assert.Equal(t, 0, vm.istack.Len())
buf.Reset()
}
}
func TestPushBytesNoParam(t *testing.T) {
prog := make([]byte, 1)
prog[0] = byte(opcode.PUSHBYTES1)
vm := load(prog)
checkVMFailed(t, vm)
}
func runVM(t *testing.T, vm *VM) {
err := vm.Run()
require.NoError(t, err)
assert.Equal(t, false, vm.HasFailed())
}
func checkVMFailed(t *testing.T, vm *VM) {
err := vm.Run()
require.Error(t, err)
assert.Equal(t, true, vm.HasFailed())
}
func TestStackLimitPUSH1Good(t *testing.T) {
prog := make([]byte, MaxStackSize*2)
for i := 0; i < MaxStackSize; i++ {
prog[i] = byte(opcode.PUSH1)
}
for i := MaxStackSize; i < MaxStackSize*2; i++ {
prog[i] = byte(opcode.DROP)
}
v := load(prog)
runVM(t, v)
}
func TestStackLimitPUSH1Bad(t *testing.T) {
prog := make([]byte, MaxStackSize+1)
for i := range prog {
prog[i] = byte(opcode.PUSH1)
}
v := load(prog)
checkVMFailed(t, v)
}
// appendBigStruct returns a program which:
// 1. pushes size Structs on stack
// 2. packs them into a new struct
// 3. appends them to a zero-length array
// Resulting stack size consists of:
// - struct (size+1)
// - array (1) of struct (size+1)
// which equals to size*2+3 elements in total.
func appendBigStruct(size uint16) []opcode.Opcode {
prog := make([]opcode.Opcode, size*2)
for i := uint16(0); i < size; i++ {
prog[i*2] = opcode.PUSH0
prog[i*2+1] = opcode.NEWSTRUCT
}
return append(prog,
opcode.PUSHBYTES2, opcode.Opcode(size), opcode.Opcode(size>>8), // LE
opcode.PACK, opcode.NEWSTRUCT,
opcode.DUP,
opcode.PUSH0, opcode.NEWARRAY, opcode.TOALTSTACK, opcode.DUPFROMALTSTACK,
opcode.SWAP,
opcode.APPEND, opcode.RET)
}
func TestStackLimitAPPENDStructGood(t *testing.T) {
prog := makeProgram(appendBigStruct(MaxStackSize/2 - 2)...)
v := load(prog)
runVM(t, v) // size = 2047 = (Max/2-2)*2+3 = Max-1
}
func TestStackLimitAPPENDStructBad(t *testing.T) {
prog := makeProgram(appendBigStruct(MaxStackSize/2 - 1)...)
v := load(prog)
checkVMFailed(t, v) // size = 2049 = (Max/2-1)*2+3 = Max+1
}
func TestStackLimit(t *testing.T) {
expected := []struct {
inst opcode.Opcode
size int
}{
{opcode.PUSH2, 1},
{opcode.NEWARRAY, 3}, // array + 2 items
{opcode.TOALTSTACK, 3},
{opcode.DUPFROMALTSTACK, 4},
{opcode.NEWSTRUCT, 6}, // all items are copied
{opcode.NEWMAP, 7},
{opcode.DUP, 8},
{opcode.PUSH2, 9},
{opcode.DUPFROMALTSTACK, 10},
{opcode.SETITEM, 8}, // -3 items and 1 new element in map
{opcode.DUP, 9},
{opcode.PUSH2, 10},
{opcode.DUPFROMALTSTACK, 11},
{opcode.SETITEM, 8}, // -3 items and no new elements in map
{opcode.DUP, 9},
{opcode.PUSH2, 10},
{opcode.REMOVE, 7}, // as we have right after NEWMAP
{opcode.DROP, 6}, // DROP map with no elements
}
prog := make([]opcode.Opcode, len(expected))
for i := range expected {
prog[i] = expected[i].inst
}
vm := load(makeProgram(prog...))
for i := range expected {
require.NoError(t, vm.Step())
require.Equal(t, expected[i].size, vm.size)
}
}
func TestPushBytesShort(t *testing.T) {
prog := make([]byte, 10)
prog[0] = byte(opcode.PUSHBYTES10) // but only 9 left in the `prog`
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushm1to16(t *testing.T) {
var prog []byte
for i := int(opcode.PUSHM1); i <= int(opcode.PUSH16); i++ {
if i == 80 {
continue // opcode layout we got here.
}
prog = append(prog, byte(i))
}
vm := load(prog)
for i := int(opcode.PUSHM1); i <= int(opcode.PUSH16); i++ {
if i == 80 {
continue // nice opcode layout we got here.
}
err := vm.Step()
require.NoError(t, err)
elem := vm.estack.Pop()
assert.IsType(t, &BigIntegerItem{}, elem.value)
val := i - int(opcode.PUSH1) + 1
assert.Equal(t, elem.BigInt().Int64(), int64(val))
}
}
func TestPushData1BadNoN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA1)}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData1BadN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA1), 1}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData1Good(t *testing.T) {
prog := makeProgram(opcode.PUSHDATA1, 3, 1, 2, 3)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
}
func TestPushData2BadNoN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA2)}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData2ShortN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA2), 0}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData2BadN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA2), 1, 0}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData2Good(t *testing.T) {
prog := makeProgram(opcode.PUSHDATA2, 3, 0, 1, 2, 3)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
}
func TestPushData4BadNoN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA4)}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData4BadN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA4), 1, 0, 0, 0}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData4ShortN(t *testing.T) {
prog := []byte{byte(opcode.PUSHDATA4), 0, 0, 0}
vm := load(prog)
checkVMFailed(t, vm)
}
func TestPushData4BigN(t *testing.T) {
prog := make([]byte, 1+4+MaxItemSize+1)
prog[0] = byte(opcode.PUSHDATA4)
binary.LittleEndian.PutUint32(prog[1:], MaxItemSize+1)
vm := load(prog)
vm.Run()
assert.Equal(t, true, vm.HasFailed())
}
func TestPushData4Good(t *testing.T) {
prog := makeProgram(opcode.PUSHDATA4, 3, 0, 0, 0, 1, 2, 3)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
}
func getSyscallProg(name string) (prog []byte) {
prog = []byte{byte(opcode.SYSCALL)}
prog = append(prog, byte(len(name)))
prog = append(prog, name...)
return
}
func getSerializeProg() (prog []byte) {
prog = append(prog, getSyscallProg("Neo.Runtime.Serialize")...)
prog = append(prog, getSyscallProg("Neo.Runtime.Deserialize")...)
prog = append(prog, byte(opcode.RET))
return
}
func testSerialize(t *testing.T, vm *VM) {
err := vm.Step()
require.NoError(t, err)
require.Equal(t, 1, vm.estack.Len())
require.IsType(t, (*ByteArrayItem)(nil), vm.estack.Top().value)
err = vm.Step()
require.NoError(t, err)
require.Equal(t, 1, vm.estack.Len())
}
func TestSerializeBool(t *testing.T) {
vm := load(getSerializeProg())
vm.estack.PushVal(true)
testSerialize(t, vm)
require.IsType(t, (*BoolItem)(nil), vm.estack.Top().value)
require.Equal(t, true, vm.estack.Top().Bool())
}
func TestSerializeByteArray(t *testing.T) {
vm := load(getSerializeProg())
value := []byte{1, 2, 3}
vm.estack.PushVal(value)
testSerialize(t, vm)
require.IsType(t, (*ByteArrayItem)(nil), vm.estack.Top().value)
require.Equal(t, value, vm.estack.Top().Bytes())
}
func TestSerializeInteger(t *testing.T) {
vm := load(getSerializeProg())
value := int64(123)
vm.estack.PushVal(value)
testSerialize(t, vm)
require.IsType(t, (*BigIntegerItem)(nil), vm.estack.Top().value)
require.Equal(t, value, vm.estack.Top().BigInt().Int64())
}
func TestSerializeArray(t *testing.T) {
vm := load(getSerializeProg())
item := NewArrayItem([]StackItem{
makeStackItem(true),
makeStackItem(123),
NewMapItem(),
})
vm.estack.Push(&Element{value: item})
testSerialize(t, vm)
require.IsType(t, (*ArrayItem)(nil), vm.estack.Top().value)
require.Equal(t, item.value, vm.estack.Top().Array())
}
func TestSerializeArrayBad(t *testing.T) {
vm := load(getSerializeProg())
item := NewArrayItem(makeArrayOfFalses(2))
item.value[1] = item
vm.estack.Push(&Element{value: item})
err := vm.Step()
require.Error(t, err)
require.True(t, vm.HasFailed())
}
func TestSerializeDupInteger(t *testing.T) {
prog := []byte{
byte(opcode.PUSH0), byte(opcode.NEWARRAY),
byte(opcode.DUP), byte(opcode.PUSH2), byte(opcode.DUP), byte(opcode.TOALTSTACK), byte(opcode.APPEND),
byte(opcode.DUP), byte(opcode.FROMALTSTACK), byte(opcode.APPEND),
}
vm := load(append(prog, getSerializeProg()...))
runVM(t, vm)
}
func TestSerializeStruct(t *testing.T) {
vm := load(getSerializeProg())
item := NewStructItem([]StackItem{
makeStackItem(true),
makeStackItem(123),
NewMapItem(),
})
vm.estack.Push(&Element{value: item})
testSerialize(t, vm)
require.IsType(t, (*StructItem)(nil), vm.estack.Top().value)
require.Equal(t, item.value, vm.estack.Top().Array())
}
func TestDeserializeUnknown(t *testing.T) {
prog := append(getSyscallProg("Neo.Runtime.Deserialize"), byte(opcode.RET))
vm := load(prog)
data, err := serializeItem(NewBigIntegerItem(123))
require.NoError(t, err)
data[0] = 0xFF
vm.estack.PushVal(data)
checkVMFailed(t, vm)
}
func TestSerializeMap(t *testing.T) {
vm := load(getSerializeProg())
item := NewMapItem()
item.Add(makeStackItem(true), makeStackItem([]byte{1, 2, 3}))
item.Add(makeStackItem([]byte{0}), makeStackItem(false))
vm.estack.Push(&Element{value: item})
testSerialize(t, vm)
require.IsType(t, (*MapItem)(nil), vm.estack.Top().value)
require.Equal(t, item.value, vm.estack.Top().value.(*MapItem).value)
}
func TestSerializeInterop(t *testing.T) {
vm := load(getSerializeProg())
item := NewInteropItem("kek")
vm.estack.Push(&Element{value: item})
err := vm.Step()
require.Error(t, err)
require.True(t, vm.HasFailed())
}
func callNTimes(n uint16) []byte {
return makeProgram(
opcode.PUSHBYTES2, opcode.Opcode(n), opcode.Opcode(n>>8), // little-endian
opcode.TOALTSTACK, opcode.DUPFROMALTSTACK,
opcode.JMPIF, 0x4, 0, opcode.RET,
opcode.FROMALTSTACK, opcode.DEC,
opcode.CALL, 0xF8, 0xFF) // -8 -> JMP to TOALTSTACK)
}
func TestInvocationLimitGood(t *testing.T) {
prog := callNTimes(MaxInvocationStackSize - 1)
v := load(prog)
runVM(t, v)
}
func TestInvocationLimitBad(t *testing.T) {
prog := callNTimes(MaxInvocationStackSize)
v := load(prog)
checkVMFailed(t, v)
}
func TestNOTNoArgument(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestNOTBool(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
vm.estack.PushVal(false)
runVM(t, vm)
assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
}
func TestNOTNonZeroInt(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
}
func TestNOTArray(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
runVM(t, vm)
assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
}
func TestNOTStruct(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
vm.estack.Push(NewElement(&StructItem{[]StackItem{}}))
runVM(t, vm)
assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
}
func TestNOTByteArray0(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
vm.estack.PushVal([]byte{0, 0})
runVM(t, vm)
assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
}
func TestNOTByteArray1(t *testing.T) {
prog := makeProgram(opcode.NOT)
vm := load(prog)
vm.estack.PushVal([]byte{0, 1})
runVM(t, vm)
assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
}
// getBigInt returns 2^a+b
func getBigInt(a, b int64) *big.Int {
p := new(big.Int).Exp(big.NewInt(2), big.NewInt(a), nil)
p.Add(p, big.NewInt(b))
return p
}
func TestAdd(t *testing.T) {
prog := makeProgram(opcode.ADD)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, int64(6), vm.estack.Pop().BigInt().Int64())
}
func TestADDBigResult(t *testing.T) {
prog := makeProgram(opcode.ADD)
vm := load(prog)
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits, -1))
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func testBigArgument(t *testing.T, inst opcode.Opcode) {
prog := makeProgram(inst)
x := getBigInt(MaxBigIntegerSizeBits, 0)
t.Run(inst.String()+" big 1-st argument", func(t *testing.T) {
vm := load(prog)
vm.estack.PushVal(x)
vm.estack.PushVal(0)
checkVMFailed(t, vm)
})
t.Run(inst.String()+" big 2-nd argument", func(t *testing.T) {
vm := load(prog)
vm.estack.PushVal(0)
vm.estack.PushVal(x)
checkVMFailed(t, vm)
})
}
func TestArithBigArgument(t *testing.T) {
testBigArgument(t, opcode.ADD)
testBigArgument(t, opcode.SUB)
testBigArgument(t, opcode.MUL)
testBigArgument(t, opcode.DIV)
testBigArgument(t, opcode.MOD)
}
func TestMul(t *testing.T) {
prog := makeProgram(opcode.MUL)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, int64(8), vm.estack.Pop().BigInt().Int64())
}
func TestMULBigResult(t *testing.T) {
prog := makeProgram(opcode.MUL)
vm := load(prog)
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits/2+1, 0))
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits/2+1, 0))
checkVMFailed(t, vm)
}
func TestDiv(t *testing.T) {
prog := makeProgram(opcode.DIV)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, int64(2), vm.estack.Pop().BigInt().Int64())
}
func TestSub(t *testing.T) {
prog := makeProgram(opcode.SUB)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, int64(2), vm.estack.Pop().BigInt().Int64())
}
func TestSUBBigResult(t *testing.T) {
prog := makeProgram(opcode.SUB)
vm := load(prog)
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits, -1))
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestSHRGood(t *testing.T) {
prog := makeProgram(opcode.SHR)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(1), vm.estack.Pop().value)
}
func TestSHRZero(t *testing.T) {
prog := makeProgram(opcode.SHR)
vm := load(prog)
vm.estack.PushVal([]byte{0, 1})
vm.estack.PushVal(0)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem([]byte{0, 1}), vm.estack.Pop().value)
}
func TestSHRSmallValue(t *testing.T) {
prog := makeProgram(opcode.SHR)
vm := load(prog)
vm.estack.PushVal(5)
vm.estack.PushVal(minSHLArg - 1)
checkVMFailed(t, vm)
}
func TestSHRBigArgument(t *testing.T) {
prog := makeProgram(opcode.SHR)
vm := load(prog)
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits, 0))
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestSHLGood(t *testing.T) {
prog := makeProgram(opcode.SHL)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(16), vm.estack.Pop().value)
}
func TestSHLZero(t *testing.T) {
prog := makeProgram(opcode.SHL)
vm := load(prog)
vm.estack.PushVal([]byte{0, 1})
vm.estack.PushVal(0)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem([]byte{0, 1}), vm.estack.Pop().value)
}
func TestSHLBigValue(t *testing.T) {
prog := makeProgram(opcode.SHL)
vm := load(prog)
vm.estack.PushVal(5)
vm.estack.PushVal(maxSHLArg + 1)
checkVMFailed(t, vm)
}
func TestSHLBigResult(t *testing.T) {
prog := makeProgram(opcode.SHL)
vm := load(prog)
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits/2, 0))
vm.estack.PushVal(MaxBigIntegerSizeBits / 2)
checkVMFailed(t, vm)
}
func TestSHLBigArgument(t *testing.T) {
prog := makeProgram(opcode.SHR)
vm := load(prog)
vm.estack.PushVal(getBigInt(MaxBigIntegerSizeBits, 0))
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestLT(t *testing.T) {
prog := makeProgram(opcode.LT)
vm := load(prog)
vm.estack.PushVal(4)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestLTE(t *testing.T) {
prog := makeProgram(opcode.LTE)
vm := load(prog)
vm.estack.PushVal(2)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func TestGT(t *testing.T) {
prog := makeProgram(opcode.GT)
vm := load(prog)
vm.estack.PushVal(9)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func TestGTE(t *testing.T) {
prog := makeProgram(opcode.GTE)
vm := load(prog)
vm.estack.PushVal(3)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func TestDepth(t *testing.T) {
prog := makeProgram(opcode.DEPTH)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, int64(3), vm.estack.Pop().BigInt().Int64())
}
func TestEQUALNoArguments(t *testing.T) {
prog := makeProgram(opcode.EQUAL)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestEQUALBad1Argument(t *testing.T) {
prog := makeProgram(opcode.EQUAL)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestEQUALGoodInteger(t *testing.T) {
prog := makeProgram(opcode.EQUAL)
vm := load(prog)
vm.estack.PushVal(5)
vm.estack.PushVal(5)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
}
func TestEQUALArrayTrue(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.EQUAL)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
}
func TestEQUALArrayFalse(t *testing.T) {
prog := makeProgram(opcode.EQUAL)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
vm.estack.PushVal([]StackItem{})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
}
func TestEQUALMapTrue(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.EQUAL)
vm := load(prog)
vm.estack.Push(&Element{value: NewMapItem()})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BoolItem{true}, vm.estack.Pop().value)
}
func TestEQUALMapFalse(t *testing.T) {
prog := makeProgram(opcode.EQUAL)
vm := load(prog)
vm.estack.Push(&Element{value: NewMapItem()})
vm.estack.Push(&Element{value: NewMapItem()})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BoolItem{false}, vm.estack.Pop().value)
}
func TestNumEqual(t *testing.T) {
prog := makeProgram(opcode.NUMEQUAL)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestNumNotEqual(t *testing.T) {
prog := makeProgram(opcode.NUMNOTEQUAL)
vm := load(prog)
vm.estack.PushVal(2)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestINC(t *testing.T) {
prog := makeProgram(opcode.INC)
vm := load(prog)
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, big.NewInt(2), vm.estack.Pop().BigInt())
}
func TestINCBigResult(t *testing.T) {
prog := makeProgram(opcode.INC, opcode.INC)
vm := load(prog)
x := getBigInt(MaxBigIntegerSizeBits, -2)
vm.estack.PushVal(x)
require.NoError(t, vm.Step())
require.False(t, vm.HasFailed())
require.Equal(t, 1, vm.estack.Len())
require.Equal(t, new(big.Int).Add(x, big.NewInt(1)), vm.estack.Top().BigInt())
checkVMFailed(t, vm)
}
func TestDECBigResult(t *testing.T) {
prog := makeProgram(opcode.DEC, opcode.DEC)
vm := load(prog)
x := getBigInt(MaxBigIntegerSizeBits, -2)
x.Neg(x)
vm.estack.PushVal(x)
require.NoError(t, vm.Step())
require.False(t, vm.HasFailed())
require.Equal(t, 1, vm.estack.Len())
require.Equal(t, new(big.Int).Sub(x, big.NewInt(1)), vm.estack.Top().BigInt())
checkVMFailed(t, vm)
}
func TestNEWARRAYInteger(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY)
vm := load(prog)
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{[]StackItem{makeStackItem(false)}}, vm.estack.Pop().value)
}
func TestNEWARRAYStruct(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY)
vm := load(prog)
arr := []StackItem{makeStackItem(42)}
vm.estack.Push(&Element{value: &StructItem{arr}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{arr}, vm.estack.Pop().value)
}
func testNEWARRAYIssue437(t *testing.T, i1, i2 opcode.Opcode, appended bool) {
prog := makeProgram(
opcode.PUSH2, i1,
opcode.DUP, opcode.PUSH3, opcode.APPEND,
opcode.TOALTSTACK, opcode.DUPFROMALTSTACK, i2,
opcode.DUP, opcode.PUSH4, opcode.APPEND,
opcode.FROMALTSTACK, opcode.PUSH5, opcode.APPEND)
vm := load(prog)
vm.Run()
arr := makeArrayOfFalses(4)
arr[2] = makeStackItem(3)
arr[3] = makeStackItem(4)
if appended {
arr = append(arr, makeStackItem(5))
}
assert.Equal(t, false, vm.HasFailed())
assert.Equal(t, 1, vm.estack.Len())
if i2 == opcode.NEWARRAY {
assert.Equal(t, &ArrayItem{arr}, vm.estack.Pop().value)
} else {
assert.Equal(t, &StructItem{arr}, vm.estack.Pop().value)
}
}
func TestNEWARRAYIssue437(t *testing.T) {
t.Run("Array+Array", func(t *testing.T) { testNEWARRAYIssue437(t, opcode.NEWARRAY, opcode.NEWARRAY, true) })
t.Run("Struct+Struct", func(t *testing.T) { testNEWARRAYIssue437(t, opcode.NEWSTRUCT, opcode.NEWSTRUCT, true) })
t.Run("Array+Struct", func(t *testing.T) { testNEWARRAYIssue437(t, opcode.NEWARRAY, opcode.NEWSTRUCT, false) })
t.Run("Struct+Array", func(t *testing.T) { testNEWARRAYIssue437(t, opcode.NEWSTRUCT, opcode.NEWARRAY, false) })
}
func TestNEWARRAYArray(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY)
vm := load(prog)
arr := []StackItem{makeStackItem(42)}
vm.estack.Push(&Element{value: &ArrayItem{arr}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{arr}, vm.estack.Pop().value)
}
func TestNEWARRAYByteArray(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY)
vm := load(prog)
vm.estack.PushVal([]byte{})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{[]StackItem{}}, vm.estack.Pop().value)
}
func TestNEWARRAYBadSize(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY)
vm := load(prog)
vm.estack.PushVal(MaxArraySize + 1)
checkVMFailed(t, vm)
}
func TestNEWSTRUCTInteger(t *testing.T) {
prog := makeProgram(opcode.NEWSTRUCT)
vm := load(prog)
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &StructItem{[]StackItem{makeStackItem(false)}}, vm.estack.Pop().value)
}
func TestNEWSTRUCTArray(t *testing.T) {
prog := makeProgram(opcode.NEWSTRUCT)
vm := load(prog)
arr := []StackItem{makeStackItem(42)}
vm.estack.Push(&Element{value: &ArrayItem{arr}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &StructItem{arr}, vm.estack.Pop().value)
}
func TestNEWSTRUCTStruct(t *testing.T) {
prog := makeProgram(opcode.NEWSTRUCT)
vm := load(prog)
arr := []StackItem{makeStackItem(42)}
vm.estack.Push(&Element{value: &StructItem{arr}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &StructItem{arr}, vm.estack.Pop().value)
}
func TestNEWSTRUCTByteArray(t *testing.T) {
prog := makeProgram(opcode.NEWSTRUCT)
vm := load(prog)
vm.estack.PushVal([]byte{})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &StructItem{[]StackItem{}}, vm.estack.Pop().value)
}
func TestNEWSTRUCTBadSize(t *testing.T) {
prog := makeProgram(opcode.NEWSTRUCT)
vm := load(prog)
vm.estack.PushVal(MaxArraySize + 1)
checkVMFailed(t, vm)
}
func TestAPPENDArray(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.PUSH5, opcode.APPEND)
vm := load(prog)
vm.estack.Push(&Element{value: &ArrayItem{}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{[]StackItem{makeStackItem(5)}}, vm.estack.Pop().value)
}
func TestAPPENDStruct(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.PUSH5, opcode.APPEND)
vm := load(prog)
vm.estack.Push(&Element{value: &StructItem{}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &StructItem{[]StackItem{makeStackItem(5)}}, vm.estack.Pop().value)
}
func TestAPPENDCloneStruct(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.PUSH0, opcode.NEWSTRUCT, opcode.TOALTSTACK,
opcode.DUPFROMALTSTACK, opcode.APPEND, opcode.FROMALTSTACK, opcode.PUSH1, opcode.APPEND)
vm := load(prog)
vm.estack.Push(&Element{value: &ArrayItem{}})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{[]StackItem{
&StructItem{[]StackItem{}},
}}, vm.estack.Pop().value)
}
func TestAPPENDBadNoArguments(t *testing.T) {
prog := makeProgram(opcode.APPEND)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestAPPENDBad1Argument(t *testing.T) {
prog := makeProgram(opcode.APPEND)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestAPPENDWrongType(t *testing.T) {
prog := makeProgram(opcode.APPEND)
vm := load(prog)
vm.estack.PushVal([]byte{})
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestAPPENDGoodSizeLimit(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY, opcode.DUP, opcode.PUSH0, opcode.APPEND)
vm := load(prog)
vm.estack.PushVal(MaxArraySize - 1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, MaxArraySize, len(vm.estack.Pop().Array()))
}
func TestAPPENDBadSizeLimit(t *testing.T) {
prog := makeProgram(opcode.NEWARRAY, opcode.DUP, opcode.PUSH0, opcode.APPEND)
vm := load(prog)
vm.estack.PushVal(MaxArraySize)
checkVMFailed(t, vm)
}
func TestPICKITEMBadIndex(t *testing.T) {
prog := makeProgram(opcode.PICKITEM)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
vm.estack.PushVal(0)
checkVMFailed(t, vm)
}
func TestPICKITEMArray(t *testing.T) {
prog := makeProgram(opcode.PICKITEM)
vm := load(prog)
vm.estack.PushVal([]StackItem{makeStackItem(1), makeStackItem(2)})
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestPICKITEMByteArray(t *testing.T) {
prog := makeProgram(opcode.PICKITEM)
vm := load(prog)
vm.estack.PushVal([]byte{1, 2})
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestPICKITEMMap(t *testing.T) {
prog := makeProgram(opcode.PICKITEM)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(3))
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(makeStackItem(5))
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(3), vm.estack.Pop().value)
}
func TestSETITEMMap(t *testing.T) {
prog := makeProgram(opcode.SETITEM, opcode.PICKITEM)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(3))
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(5)
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(5)
vm.estack.PushVal([]byte{0, 1})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem([]byte{0, 1}), vm.estack.Pop().value)
}
func TestSETITEMBigMapBad(t *testing.T) {
prog := makeProgram(opcode.SETITEM)
vm := load(prog)
m := NewMapItem()
for i := 0; i < MaxArraySize; i++ {
m.Add(makeStackItem(i), makeStackItem(i))
}
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(MaxArraySize)
vm.estack.PushVal(0)
checkVMFailed(t, vm)
}
func TestSETITEMBigMapGood(t *testing.T) {
prog := makeProgram(opcode.SETITEM)
vm := load(prog)
m := NewMapItem()
for i := 0; i < MaxArraySize; i++ {
m.Add(makeStackItem(i), makeStackItem(i))
}
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(0)
vm.estack.PushVal(0)
runVM(t, vm)
}
func TestSIZENoArgument(t *testing.T) {
prog := makeProgram(opcode.SIZE)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestSIZEByteArray(t *testing.T) {
prog := makeProgram(opcode.SIZE)
vm := load(prog)
vm.estack.PushVal([]byte{0, 1})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestSIZEBool(t *testing.T) {
prog := makeProgram(opcode.SIZE)
vm := load(prog)
vm.estack.PushVal(false)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
// assert.Equal(t, makeStackItem(1), vm.estack.Pop().value)
// FIXME revert when NEO 3.0 https://github.com/nspcc-dev/neo-go/issues/477
assert.Equal(t, makeStackItem(0), vm.estack.Pop().value)
}
func TestARRAYSIZEArray(t *testing.T) {
prog := makeProgram(opcode.ARRAYSIZE)
vm := load(prog)
vm.estack.PushVal([]StackItem{
makeStackItem(1),
makeStackItem([]byte{}),
})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestARRAYSIZEMap(t *testing.T) {
prog := makeProgram(opcode.ARRAYSIZE)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(6))
m.Add(makeStackItem([]byte{0, 1}), makeStackItem(6))
vm.estack.Push(&Element{value: m})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestKEYSMap(t *testing.T) {
prog := makeProgram(opcode.KEYS)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(6))
m.Add(makeStackItem([]byte{0, 1}), makeStackItem(6))
vm.estack.Push(&Element{value: m})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
top := vm.estack.Pop().value.(*ArrayItem)
assert.Equal(t, 2, len(top.value))
assert.Contains(t, top.value, makeStackItem(5))
assert.Contains(t, top.value, makeStackItem([]byte{0, 1}))
}
func TestKEYSNoArgument(t *testing.T) {
prog := makeProgram(opcode.KEYS)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestKEYSWrongType(t *testing.T) {
prog := makeProgram(opcode.KEYS)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
checkVMFailed(t, vm)
}
func TestVALUESMap(t *testing.T) {
prog := makeProgram(opcode.VALUES)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem([]byte{2, 3}))
m.Add(makeStackItem([]byte{0, 1}), makeStackItem([]StackItem{}))
vm.estack.Push(&Element{value: m})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
top := vm.estack.Pop().value.(*ArrayItem)
assert.Equal(t, 2, len(top.value))
assert.Contains(t, top.value, makeStackItem([]byte{2, 3}))
assert.Contains(t, top.value, makeStackItem([]StackItem{}))
}
func TestVALUESArray(t *testing.T) {
prog := makeProgram(opcode.VALUES)
vm := load(prog)
vm.estack.PushVal([]StackItem{makeStackItem(4)})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ArrayItem{[]StackItem{makeStackItem(4)}}, vm.estack.Pop().value)
}
func TestVALUESNoArgument(t *testing.T) {
prog := makeProgram(opcode.VALUES)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestVALUESWrongType(t *testing.T) {
prog := makeProgram(opcode.VALUES)
vm := load(prog)
vm.estack.PushVal(5)
checkVMFailed(t, vm)
}
func TestHASKEYArrayTrue(t *testing.T) {
prog := makeProgram(opcode.PUSH5, opcode.NEWARRAY, opcode.PUSH4, opcode.HASKEY)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(true), vm.estack.Pop().value)
}
func TestHASKEYArrayFalse(t *testing.T) {
prog := makeProgram(opcode.PUSH5, opcode.NEWARRAY, opcode.PUSH5, opcode.HASKEY)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(false), vm.estack.Pop().value)
}
func TestHASKEYStructTrue(t *testing.T) {
prog := makeProgram(opcode.PUSH5, opcode.NEWSTRUCT, opcode.PUSH4, opcode.HASKEY)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(true), vm.estack.Pop().value)
}
func TestHASKEYStructFalse(t *testing.T) {
prog := makeProgram(opcode.PUSH5, opcode.NEWSTRUCT, opcode.PUSH5, opcode.HASKEY)
vm := load(prog)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(false), vm.estack.Pop().value)
}
func TestHASKEYMapTrue(t *testing.T) {
prog := makeProgram(opcode.HASKEY)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(6))
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(5)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(true), vm.estack.Pop().value)
}
func TestHASKEYMapFalse(t *testing.T) {
prog := makeProgram(opcode.HASKEY)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(6))
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(6)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(false), vm.estack.Pop().value)
}
func TestHASKEYNoArguments(t *testing.T) {
prog := makeProgram(opcode.HASKEY)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestHASKEY1Argument(t *testing.T) {
prog := makeProgram(opcode.HASKEY)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestHASKEYWrongKeyType(t *testing.T) {
prog := makeProgram(opcode.HASKEY)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
vm.estack.PushVal([]StackItem{})
checkVMFailed(t, vm)
}
func TestHASKEYWrongCollectionType(t *testing.T) {
prog := makeProgram(opcode.HASKEY)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestSIGNNoArgument(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestSIGNWrongType(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
vm.estack.PushVal([]StackItem{})
checkVMFailed(t, vm)
}
func TestSIGNBool(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
vm.estack.PushVal(false)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BigIntegerItem{big.NewInt(0)}, vm.estack.Pop().value)
}
func TestSIGNPositiveInt(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BigIntegerItem{big.NewInt(1)}, vm.estack.Pop().value)
}
func TestSIGNNegativeInt(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
vm.estack.PushVal(-1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BigIntegerItem{big.NewInt(-1)}, vm.estack.Pop().value)
}
func TestSIGNZero(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
vm.estack.PushVal(0)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BigIntegerItem{big.NewInt(0)}, vm.estack.Pop().value)
}
func TestSIGNByteArray(t *testing.T) {
prog := makeProgram(opcode.SIGN)
vm := load(prog)
vm.estack.PushVal([]byte{0, 1})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &BigIntegerItem{big.NewInt(1)}, vm.estack.Pop().value)
}
func TestAppCall(t *testing.T) {
prog := []byte{byte(opcode.APPCALL)}
hash := util.Uint160{}
prog = append(prog, hash.Bytes()...)
prog = append(prog, byte(opcode.RET))
vm := load(prog)
vm.SetScriptGetter(func(in util.Uint160) []byte {
if in.Equals(hash) {
return makeProgram(opcode.DEPTH)
}
return nil
})
vm.estack.PushVal(2)
runVM(t, vm)
elem := vm.estack.Pop() // depth should be 1
assert.Equal(t, int64(1), elem.BigInt().Int64())
}
func TestSimpleCall(t *testing.T) {
progStr := "52c56b525a7c616516006c766b00527ac46203006c766b00c3616c756653c56b6c766b00527ac46c766b51527ac46203006c766b00c36c766b51c393616c7566"
result := 12
prog, err := hex.DecodeString(progStr)
if err != nil {
t.Fatal(err)
}
vm := load(prog)
runVM(t, vm)
assert.Equal(t, result, int(vm.estack.Pop().BigInt().Int64()))
}
func TestNZtrue(t *testing.T) {
prog := makeProgram(opcode.NZ)
vm := load(prog)
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func TestNZfalse(t *testing.T) {
prog := makeProgram(opcode.NZ)
vm := load(prog)
vm.estack.PushVal(0)
runVM(t, vm)
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestPICKbadNoitem(t *testing.T) {
prog := makeProgram(opcode.PICK)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestPICKbadNegative(t *testing.T) {
prog := makeProgram(opcode.PICK)
vm := load(prog)
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestPICKgood(t *testing.T) {
prog := makeProgram(opcode.PICK)
result := 2
vm := load(prog)
vm.estack.PushVal(0)
vm.estack.PushVal(1)
vm.estack.PushVal(result)
vm.estack.PushVal(3)
vm.estack.PushVal(4)
vm.estack.PushVal(5)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, int64(result), vm.estack.Pop().BigInt().Int64())
}
func TestROTBad(t *testing.T) {
prog := makeProgram(opcode.ROT)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestROTGood(t *testing.T) {
prog := makeProgram(opcode.ROT)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
vm.estack.PushVal(3)
runVM(t, vm)
assert.Equal(t, 3, vm.estack.Len())
assert.Equal(t, makeStackItem(1), vm.estack.Pop().value)
assert.Equal(t, makeStackItem(3), vm.estack.Pop().value)
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestXTUCKbadNoitem(t *testing.T) {
prog := makeProgram(opcode.XTUCK)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestXTUCKbadNoN(t *testing.T) {
prog := makeProgram(opcode.XTUCK)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestXTUCKbadNegative(t *testing.T) {
prog := makeProgram(opcode.XTUCK)
vm := load(prog)
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestXTUCKbadZero(t *testing.T) {
prog := makeProgram(opcode.XTUCK)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(0)
checkVMFailed(t, vm)
}
func TestXTUCKgood(t *testing.T) {
prog := makeProgram(opcode.XTUCK)
topelement := 5
xtuckdepth := 3
vm := load(prog)
vm.estack.PushVal(0)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
vm.estack.PushVal(3)
vm.estack.PushVal(4)
vm.estack.PushVal(topelement)
vm.estack.PushVal(xtuckdepth)
runVM(t, vm)
assert.Equal(t, int64(topelement), vm.estack.Peek(0).BigInt().Int64())
assert.Equal(t, int64(topelement), vm.estack.Peek(xtuckdepth).BigInt().Int64())
}
func TestTUCKbadNoitems(t *testing.T) {
prog := makeProgram(opcode.TUCK)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestTUCKbadNoitem(t *testing.T) {
prog := makeProgram(opcode.TUCK)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestTUCKgood(t *testing.T) {
prog := makeProgram(opcode.TUCK)
vm := load(prog)
vm.estack.PushVal(42)
vm.estack.PushVal(34)
runVM(t, vm)
assert.Equal(t, int64(34), vm.estack.Peek(0).BigInt().Int64())
assert.Equal(t, int64(42), vm.estack.Peek(1).BigInt().Int64())
assert.Equal(t, int64(34), vm.estack.Peek(2).BigInt().Int64())
}
func TestTUCKgood2(t *testing.T) {
prog := makeProgram(opcode.TUCK)
vm := load(prog)
vm.estack.PushVal(11)
vm.estack.PushVal(42)
vm.estack.PushVal(34)
runVM(t, vm)
assert.Equal(t, int64(34), vm.estack.Peek(0).BigInt().Int64())
assert.Equal(t, int64(42), vm.estack.Peek(1).BigInt().Int64())
assert.Equal(t, int64(34), vm.estack.Peek(2).BigInt().Int64())
assert.Equal(t, int64(11), vm.estack.Peek(3).BigInt().Int64())
}
func TestOVERbadNoitem(t *testing.T) {
prog := makeProgram(opcode.OVER)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(1), vm.estack.Pop().value)
}
func TestOVERbadNoitems(t *testing.T) {
prog := makeProgram(opcode.OVER)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestOVERgood(t *testing.T) {
prog := makeProgram(opcode.OVER)
vm := load(prog)
vm.estack.PushVal(42)
vm.estack.PushVal(34)
runVM(t, vm)
assert.Equal(t, int64(42), vm.estack.Peek(0).BigInt().Int64())
assert.Equal(t, int64(34), vm.estack.Peek(1).BigInt().Int64())
assert.Equal(t, int64(42), vm.estack.Peek(2).BigInt().Int64())
assert.Equal(t, 3, vm.estack.Len())
}
func TestNIPBadNoItem(t *testing.T) {
prog := makeProgram(opcode.NIP)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestNIPGood(t *testing.T) {
prog := makeProgram(opcode.NIP)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
}
func TestDROPBadNoItem(t *testing.T) {
prog := makeProgram(opcode.DROP)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestDROPGood(t *testing.T) {
prog := makeProgram(opcode.DROP)
vm := load(prog)
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 0, vm.estack.Len())
}
func TestXDROPbadNoitem(t *testing.T) {
prog := makeProgram(opcode.XDROP)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestXDROPbadNoN(t *testing.T) {
prog := makeProgram(opcode.XDROP)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestXDROPbadNegative(t *testing.T) {
prog := makeProgram(opcode.XDROP)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestXDROPgood(t *testing.T) {
prog := makeProgram(opcode.XDROP)
vm := load(prog)
vm.estack.PushVal(0)
vm.estack.PushVal(1)
vm.estack.PushVal(2)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 2, vm.estack.Len())
assert.Equal(t, int64(2), vm.estack.Peek(0).BigInt().Int64())
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
}
func TestINVERTbadNoitem(t *testing.T) {
prog := makeProgram(opcode.INVERT)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestINVERTgood1(t *testing.T) {
prog := makeProgram(opcode.INVERT)
vm := load(prog)
vm.estack.PushVal(0)
runVM(t, vm)
assert.Equal(t, int64(-1), vm.estack.Peek(0).BigInt().Int64())
}
func TestINVERTgood2(t *testing.T) {
prog := makeProgram(opcode.INVERT)
vm := load(prog)
vm.estack.PushVal(-1)
runVM(t, vm)
assert.Equal(t, int64(0), vm.estack.Peek(0).BigInt().Int64())
}
func TestINVERTgood3(t *testing.T) {
prog := makeProgram(opcode.INVERT)
vm := load(prog)
vm.estack.PushVal(0x69)
runVM(t, vm)
assert.Equal(t, int64(-0x6A), vm.estack.Peek(0).BigInt().Int64())
}
func TestCATBadNoArgs(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestCATBadOneArg(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)
vm.estack.PushVal([]byte("abc"))
checkVMFailed(t, vm)
}
func TestCATBadBigItem(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)
vm.estack.PushVal(make([]byte, MaxItemSize/2+1))
vm.estack.PushVal(make([]byte, MaxItemSize/2+1))
vm.Run()
assert.Equal(t, true, vm.HasFailed())
}
func TestCATGood(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)
vm.estack.PushVal([]byte("abc"))
vm.estack.PushVal([]byte("def"))
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("abcdef"), vm.estack.Peek(0).Bytes())
}
func TestCATInt0ByteArray(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)
vm.estack.PushVal(0)
vm.estack.PushVal([]byte{})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ByteArrayItem{[]byte{}}, vm.estack.Pop().value)
}
func TestCATByteArrayInt1(t *testing.T) {
prog := makeProgram(opcode.CAT)
vm := load(prog)
vm.estack.PushVal([]byte{})
vm.estack.PushVal(1)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, &ByteArrayItem{[]byte{1}}, vm.estack.Pop().value)
}
func TestSUBSTRBadNoArgs(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestSUBSTRBadOneArg(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestSUBSTRBadTwoArgs(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal(0)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestSUBSTRGood(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(1)
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("bc"), vm.estack.Peek(0).Bytes())
}
func TestSUBSTRBadOffset(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(7)
vm.estack.PushVal(1)
// checkVMFailed(t, vm)
// FIXME revert when NEO 3.0 https://github.com/nspcc-dev/neo-go/issues/477
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte{}, vm.estack.Peek(0).Bytes())
}
func TestSUBSTRBigLen(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(1)
vm.estack.PushVal(6)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("bcdef"), vm.estack.Pop().Bytes())
}
func TestSUBSTRBad387(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
b := make([]byte, 6, 20)
copy(b, "abcdef")
vm.estack.PushVal(b)
vm.estack.PushVal(1)
vm.estack.PushVal(6)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("bcdef"), vm.estack.Pop().Bytes())
}
func TestSUBSTRBadNegativeOffset(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(-1)
vm.estack.PushVal(3)
checkVMFailed(t, vm)
}
func TestSUBSTRBadNegativeLen(t *testing.T) {
prog := makeProgram(opcode.SUBSTR)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(3)
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestLEFTBadNoArgs(t *testing.T) {
prog := makeProgram(opcode.LEFT)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestLEFTBadNoString(t *testing.T) {
prog := makeProgram(opcode.LEFT)
vm := load(prog)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestLEFTBadNegativeLen(t *testing.T) {
prog := makeProgram(opcode.LEFT)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestLEFTGood(t *testing.T) {
prog := makeProgram(opcode.LEFT)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("ab"), vm.estack.Peek(0).Bytes())
}
func TestLEFTGoodLen(t *testing.T) {
prog := makeProgram(opcode.LEFT)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(8)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("abcdef"), vm.estack.Peek(0).Bytes())
}
func TestRIGHTBadNoArgs(t *testing.T) {
prog := makeProgram(opcode.RIGHT)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestRIGHTBadNoString(t *testing.T) {
prog := makeProgram(opcode.RIGHT)
vm := load(prog)
vm.estack.PushVal(2)
checkVMFailed(t, vm)
}
func TestRIGHTBadNegativeLen(t *testing.T) {
prog := makeProgram(opcode.RIGHT)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(-1)
checkVMFailed(t, vm)
}
func TestRIGHTGood(t *testing.T) {
prog := makeProgram(opcode.RIGHT)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(2)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []byte("ef"), vm.estack.Peek(0).Bytes())
}
func TestRIGHTBadLen(t *testing.T) {
prog := makeProgram(opcode.RIGHT)
vm := load(prog)
vm.estack.PushVal([]byte("abcdef"))
vm.estack.PushVal(8)
checkVMFailed(t, vm)
}
func TestPACKBadLen(t *testing.T) {
prog := makeProgram(opcode.PACK)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestPACKBigLen(t *testing.T) {
prog := makeProgram(opcode.PACK)
vm := load(prog)
for i := 0; i <= MaxArraySize; i++ {
vm.estack.PushVal(0)
}
vm.estack.PushVal(MaxArraySize + 1)
checkVMFailed(t, vm)
}
func TestPACKGoodZeroLen(t *testing.T) {
prog := makeProgram(opcode.PACK)
vm := load(prog)
vm.estack.PushVal(0)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, []StackItem{}, vm.estack.Peek(0).Array())
}
func TestPACKGood(t *testing.T) {
prog := makeProgram(opcode.PACK)
elements := []int{55, 34, 42}
vm := load(prog)
// canary
vm.estack.PushVal(1)
for i := len(elements) - 1; i >= 0; i-- {
vm.estack.PushVal(elements[i])
}
vm.estack.PushVal(len(elements))
runVM(t, vm)
assert.Equal(t, 2, vm.estack.Len())
a := vm.estack.Peek(0).Array()
assert.Equal(t, len(elements), len(a))
for i := 0; i < len(elements); i++ {
e := a[i].Value().(*big.Int)
assert.Equal(t, int64(elements[i]), e.Int64())
}
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
}
func TestUNPACKBadNotArray(t *testing.T) {
prog := makeProgram(opcode.UNPACK)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestUNPACKGood(t *testing.T) {
prog := makeProgram(opcode.UNPACK)
elements := []int{55, 34, 42}
vm := load(prog)
// canary
vm.estack.PushVal(1)
vm.estack.PushVal(elements)
runVM(t, vm)
assert.Equal(t, 5, vm.estack.Len())
assert.Equal(t, int64(len(elements)), vm.estack.Peek(0).BigInt().Int64())
for k, v := range elements {
assert.Equal(t, int64(v), vm.estack.Peek(k+1).BigInt().Int64())
}
assert.Equal(t, int64(1), vm.estack.Peek(len(elements)+1).BigInt().Int64())
}
func TestREVERSEBadNotArray(t *testing.T) {
prog := makeProgram(opcode.REVERSE)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func testREVERSEIssue437(t *testing.T, i1, i2 opcode.Opcode, reversed bool) {
prog := makeProgram(
opcode.PUSH0, i1,
opcode.DUP, opcode.PUSH1, opcode.APPEND,
opcode.DUP, opcode.PUSH2, opcode.APPEND,
opcode.DUP, i2, opcode.REVERSE)
vm := load(prog)
vm.Run()
arr := make([]StackItem, 2)
if reversed {
arr[0] = makeStackItem(2)
arr[1] = makeStackItem(1)
} else {
arr[0] = makeStackItem(1)
arr[1] = makeStackItem(2)
}
assert.Equal(t, false, vm.HasFailed())
assert.Equal(t, 1, vm.estack.Len())
if i1 == opcode.NEWARRAY {
assert.Equal(t, &ArrayItem{arr}, vm.estack.Pop().value)
} else {
assert.Equal(t, &StructItem{arr}, vm.estack.Pop().value)
}
}
func TestREVERSEIssue437(t *testing.T) {
t.Run("Array+Array", func(t *testing.T) { testREVERSEIssue437(t, opcode.NEWARRAY, opcode.NEWARRAY, true) })
t.Run("Struct+Struct", func(t *testing.T) { testREVERSEIssue437(t, opcode.NEWSTRUCT, opcode.NEWSTRUCT, true) })
t.Run("Array+Struct", func(t *testing.T) { testREVERSEIssue437(t, opcode.NEWARRAY, opcode.NEWSTRUCT, false) })
t.Run("Struct+Array", func(t *testing.T) { testREVERSEIssue437(t, opcode.NEWSTRUCT, opcode.NEWARRAY, false) })
}
func TestREVERSEGoodOneElem(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.REVERSE)
elements := []int{22}
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(elements)
runVM(t, vm)
assert.Equal(t, 2, vm.estack.Len())
a := vm.estack.Peek(0).Array()
assert.Equal(t, len(elements), len(a))
e := a[0].Value().(*big.Int)
assert.Equal(t, int64(elements[0]), e.Int64())
}
func TestREVERSEGoodStruct(t *testing.T) {
eodd := []int{22, 34, 42, 55, 81}
even := []int{22, 34, 42, 55, 81, 99}
eall := [][]int{eodd, even}
for _, elements := range eall {
prog := makeProgram(opcode.DUP, opcode.REVERSE)
vm := load(prog)
vm.estack.PushVal(1)
arr := make([]StackItem, len(elements))
for i := range elements {
arr[i] = makeStackItem(elements[i])
}
vm.estack.Push(&Element{value: &StructItem{arr}})
runVM(t, vm)
assert.Equal(t, 2, vm.estack.Len())
a := vm.estack.Peek(0).Array()
assert.Equal(t, len(elements), len(a))
for k, v := range elements {
e := a[len(a)-1-k].Value().(*big.Int)
assert.Equal(t, int64(v), e.Int64())
}
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
}
}
func TestREVERSEGood(t *testing.T) {
eodd := []int{22, 34, 42, 55, 81}
even := []int{22, 34, 42, 55, 81, 99}
eall := [][]int{eodd, even}
for _, elements := range eall {
prog := makeProgram(opcode.DUP, opcode.REVERSE)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(elements)
runVM(t, vm)
assert.Equal(t, 2, vm.estack.Len())
a := vm.estack.Peek(0).Array()
assert.Equal(t, len(elements), len(a))
for k, v := range elements {
e := a[len(a)-1-k].Value().(*big.Int)
assert.Equal(t, int64(v), e.Int64())
}
assert.Equal(t, int64(1), vm.estack.Peek(1).BigInt().Int64())
}
}
func TestREMOVEBadNoArgs(t *testing.T) {
prog := makeProgram(opcode.REMOVE)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestREMOVEBadOneArg(t *testing.T) {
prog := makeProgram(opcode.REMOVE)
vm := load(prog)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestREMOVEBadNotArray(t *testing.T) {
prog := makeProgram(opcode.REMOVE)
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(1)
checkVMFailed(t, vm)
}
func TestREMOVEBadIndex(t *testing.T) {
prog := makeProgram(opcode.REMOVE)
elements := []int{22, 34, 42, 55, 81}
vm := load(prog)
vm.estack.PushVal(elements)
vm.estack.PushVal(10)
checkVMFailed(t, vm)
}
func TestREMOVEGood(t *testing.T) {
prog := makeProgram(opcode.DUP, opcode.PUSH2, opcode.REMOVE)
elements := []int{22, 34, 42, 55, 81}
reselements := []int{22, 34, 55, 81}
vm := load(prog)
vm.estack.PushVal(1)
vm.estack.PushVal(elements)
runVM(t, vm)
assert.Equal(t, 2, vm.estack.Len())
assert.Equal(t, makeStackItem(reselements), vm.estack.Pop().value)
assert.Equal(t, makeStackItem(1), vm.estack.Pop().value)
}
func TestREMOVEMap(t *testing.T) {
prog := makeProgram(opcode.REMOVE, opcode.PUSH5, opcode.HASKEY)
vm := load(prog)
m := NewMapItem()
m.Add(makeStackItem(5), makeStackItem(3))
m.Add(makeStackItem([]byte{0, 1}), makeStackItem([]byte{2, 3}))
vm.estack.Push(&Element{value: m})
vm.estack.Push(&Element{value: m})
vm.estack.PushVal(makeStackItem(5))
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, makeStackItem(false), vm.estack.Pop().value)
}
func TestCHECKSIGNoArgs(t *testing.T) {
prog := makeProgram(opcode.CHECKSIG)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestCHECKSIGOneArg(t *testing.T) {
prog := makeProgram(opcode.CHECKSIG)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()
vm := load(prog)
vm.estack.PushVal(pbytes)
checkVMFailed(t, vm)
}
func TestCHECKSIGNoSigLoaded(t *testing.T) {
prog := makeProgram(opcode.CHECKSIG)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := "NEO - An Open Network For Smart Economy"
sig, err := pk.Sign([]byte(msg))
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()
vm := load(prog)
vm.estack.PushVal(sig)
vm.estack.PushVal(pbytes)
checkVMFailed(t, vm)
}
func TestCHECKSIGBadKey(t *testing.T) {
prog := makeProgram(opcode.CHECKSIG)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig, err := pk.Sign(msg)
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()[:4]
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal(sig)
vm.estack.PushVal(pbytes)
checkVMFailed(t, vm)
}
func TestCHECKSIGWrongSig(t *testing.T) {
prog := makeProgram(opcode.CHECKSIG)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig, err := pk.Sign(msg)
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal(util.ArrayReverse(sig))
vm.estack.PushVal(pbytes)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestCHECKSIGGood(t *testing.T) {
prog := makeProgram(opcode.CHECKSIG)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig, err := pk.Sign(msg)
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal(sig)
vm.estack.PushVal(pbytes)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func TestVERIFYGood(t *testing.T) {
prog := makeProgram(opcode.VERIFY)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig, err := pk.Sign(msg)
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()
vm := load(prog)
vm.estack.PushVal(msg)
vm.estack.PushVal(sig)
vm.estack.PushVal(pbytes)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func TestVERIFYBad(t *testing.T) {
prog := makeProgram(opcode.VERIFY)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig, err := pk.Sign(msg)
assert.Nil(t, err)
pbytes := pk.PublicKey().Bytes()
vm := load(prog)
vm.estack.PushVal(util.ArrayReverse(msg))
vm.estack.PushVal(sig)
vm.estack.PushVal(pbytes)
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestCHECKMULTISIGNoArgs(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
vm := load(prog)
checkVMFailed(t, vm)
}
func TestCHECKMULTISIGOneArg(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
pk, err := keys.NewPrivateKey()
assert.Nil(t, err)
vm := load(prog)
pbytes := pk.PublicKey().Bytes()
vm.estack.PushVal([]StackItem{NewByteArrayItem(pbytes)})
checkVMFailed(t, vm)
}
func TestCHECKMULTISIGNotEnoughKeys(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
pk1, err := keys.NewPrivateKey()
assert.Nil(t, err)
pk2, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig1, err := pk1.Sign(msg)
assert.Nil(t, err)
sig2, err := pk2.Sign(msg)
assert.Nil(t, err)
pbytes1 := pk1.PublicKey().Bytes()
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal([]StackItem{NewByteArrayItem(sig1), NewByteArrayItem(sig2)})
vm.estack.PushVal([]StackItem{NewByteArrayItem(pbytes1)})
checkVMFailed(t, vm)
}
func TestCHECKMULTISIGNoHash(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
pk1, err := keys.NewPrivateKey()
assert.Nil(t, err)
pk2, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig1, err := pk1.Sign(msg)
assert.Nil(t, err)
sig2, err := pk2.Sign(msg)
assert.Nil(t, err)
pbytes1 := pk1.PublicKey().Bytes()
pbytes2 := pk2.PublicKey().Bytes()
vm := load(prog)
vm.estack.PushVal([]StackItem{NewByteArrayItem(sig1), NewByteArrayItem(sig2)})
vm.estack.PushVal([]StackItem{NewByteArrayItem(pbytes1), NewByteArrayItem(pbytes2)})
checkVMFailed(t, vm)
}
func TestCHECKMULTISIGBadKey(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
pk1, err := keys.NewPrivateKey()
assert.Nil(t, err)
pk2, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig1, err := pk1.Sign(msg)
assert.Nil(t, err)
sig2, err := pk2.Sign(msg)
assert.Nil(t, err)
pbytes1 := pk1.PublicKey().Bytes()
pbytes2 := pk2.PublicKey().Bytes()[:4]
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal([]StackItem{NewByteArrayItem(sig1), NewByteArrayItem(sig2)})
vm.estack.PushVal([]StackItem{NewByteArrayItem(pbytes1), NewByteArrayItem(pbytes2)})
checkVMFailed(t, vm)
}
func TestCHECKMULTISIGBadSig(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
pk1, err := keys.NewPrivateKey()
assert.Nil(t, err)
pk2, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig1, err := pk1.Sign(msg)
assert.Nil(t, err)
sig2, err := pk2.Sign(msg)
assert.Nil(t, err)
pbytes1 := pk1.PublicKey().Bytes()
pbytes2 := pk2.PublicKey().Bytes()
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal([]StackItem{NewByteArrayItem(util.ArrayReverse(sig1)), NewByteArrayItem(sig2)})
vm.estack.PushVal([]StackItem{NewByteArrayItem(pbytes1), NewByteArrayItem(pbytes2)})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, false, vm.estack.Pop().Bool())
}
func TestCHECKMULTISIGGood(t *testing.T) {
prog := makeProgram(opcode.CHECKMULTISIG)
pk1, err := keys.NewPrivateKey()
assert.Nil(t, err)
pk2, err := keys.NewPrivateKey()
assert.Nil(t, err)
msg := []byte("NEO - An Open Network For Smart Economy")
sig1, err := pk1.Sign(msg)
assert.Nil(t, err)
sig2, err := pk2.Sign(msg)
assert.Nil(t, err)
pbytes1 := pk1.PublicKey().Bytes()
pbytes2 := pk2.PublicKey().Bytes()
vm := load(prog)
vm.SetCheckedHash(hash.Sha256(msg).Bytes())
vm.estack.PushVal([]StackItem{NewByteArrayItem(sig1), NewByteArrayItem(sig2)})
vm.estack.PushVal([]StackItem{NewByteArrayItem(pbytes1), NewByteArrayItem(pbytes2)})
runVM(t, vm)
assert.Equal(t, 1, vm.estack.Len())
assert.Equal(t, true, vm.estack.Pop().Bool())
}
func makeProgram(opcodes ...opcode.Opcode) []byte {
prog := make([]byte, len(opcodes)+1) // RET
for i := 0; i < len(opcodes); i++ {
prog[i] = byte(opcodes[i])
}
prog[len(prog)-1] = byte(opcode.RET)
return prog
}
func load(prog []byte) *VM {
vm := New()
vm.LoadScript(prog)
return vm
}
func randomBytes(n int) []byte {
const charset = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
b := make([]byte, n)
for i := range b {
b[i] = charset[rand.Intn(len(charset))]
}
return b
}
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