forked from TrueCloudLab/neoneo-go
2838 lines
72 KiB
Go
2838 lines
72 KiB
Go
package vm
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import (
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"bytes"
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"encoding/binary"
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"encoding/hex"
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"math/big"
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"math/rand"
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"testing"
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"github.com/CityOfZion/neo-go/pkg/crypto/hash"
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"github.com/CityOfZion/neo-go/pkg/crypto/keys"
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"github.com/CityOfZion/neo-go/pkg/util"
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"github.com/CityOfZion/neo-go/pkg/vm/opcode"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func fooInteropGetter(id uint32) *InteropFuncPrice {
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if id == InteropNameToID([]byte("foo")) {
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return &InteropFuncPrice{func(evm *VM) error {
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evm.Estack().PushVal(1)
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return nil
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}, 1}
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}
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return nil
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}
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func TestInteropHook(t *testing.T) {
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v := New()
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v.RegisterInteropGetter(fooInteropGetter)
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buf := new(bytes.Buffer)
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EmitSyscall(buf, "foo")
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EmitOpcode(buf, opcode.RET)
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v.Load(buf.Bytes())
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runVM(t, v)
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assert.Equal(t, 1, v.estack.Len())
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assert.Equal(t, big.NewInt(1), v.estack.Pop().value.Value())
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}
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func TestInteropHookViaID(t *testing.T) {
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v := New()
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v.RegisterInteropGetter(fooInteropGetter)
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buf := new(bytes.Buffer)
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fooid := InteropNameToID([]byte("foo"))
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var id = make([]byte, 4)
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binary.LittleEndian.PutUint32(id, fooid)
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_ = EmitSyscall(buf, string(id))
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_ = EmitOpcode(buf, opcode.RET)
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v.Load(buf.Bytes())
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runVM(t, v)
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assert.Equal(t, 1, v.estack.Len())
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assert.Equal(t, big.NewInt(1), v.estack.Pop().value.Value())
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}
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func TestRegisterInteropGetter(t *testing.T) {
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v := New()
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currRegistered := len(v.getInterop)
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v.RegisterInteropGetter(fooInteropGetter)
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assert.Equal(t, currRegistered+1, len(v.getInterop))
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}
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func TestBytesToPublicKey(t *testing.T) {
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v := New()
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cache := v.GetPublicKeys()
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assert.Equal(t, 0, len(cache))
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keyHex := "03b209fd4f53a7170ea4444e0cb0a6bb6a53c2bd016926989cf85f9b0fba17a70c"
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keyBytes, _ := hex.DecodeString(keyHex)
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key := v.bytesToPublicKey(keyBytes)
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assert.NotNil(t, key)
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key2 := v.bytesToPublicKey(keyBytes)
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assert.Equal(t, key, key2)
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cache = v.GetPublicKeys()
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assert.Equal(t, 1, len(cache))
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assert.NotNil(t, cache[string(keyBytes)])
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keyBytes[0] = 0xff
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require.Panics(t, func() { v.bytesToPublicKey(keyBytes) })
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}
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func TestPushBytes1to75(t *testing.T) {
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buf := new(bytes.Buffer)
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for i := 1; i <= 75; i++ {
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b := randomBytes(i)
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EmitBytes(buf, b)
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vm := load(buf.Bytes())
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err := vm.Step()
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require.NoError(t, err)
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assert.Equal(t, 1, vm.estack.Len())
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elem := vm.estack.Pop()
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assert.IsType(t, &ByteArrayItem{}, elem.value)
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assert.IsType(t, elem.Bytes(), b)
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assert.Equal(t, 0, vm.estack.Len())
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errExec := vm.execute(nil, opcode.RET, nil)
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require.NoError(t, errExec)
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assert.Equal(t, 0, vm.astack.Len())
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assert.Equal(t, 0, vm.istack.Len())
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buf.Reset()
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}
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}
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func TestPushBytesNoParam(t *testing.T) {
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prog := make([]byte, 1)
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prog[0] = byte(opcode.PUSHBYTES1)
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func runVM(t *testing.T, vm *VM) {
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err := vm.Run()
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require.NoError(t, err)
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assert.Equal(t, false, vm.HasFailed())
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}
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func checkVMFailed(t *testing.T, vm *VM) {
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err := vm.Run()
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require.Error(t, err)
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assert.Equal(t, true, vm.HasFailed())
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}
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func TestStackLimitPUSH1Good(t *testing.T) {
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prog := make([]byte, MaxStackSize*2)
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for i := 0; i < MaxStackSize; i++ {
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prog[i] = byte(opcode.PUSH1)
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}
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for i := MaxStackSize; i < MaxStackSize*2; i++ {
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prog[i] = byte(opcode.DROP)
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}
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v := load(prog)
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runVM(t, v)
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}
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func TestStackLimitPUSH1Bad(t *testing.T) {
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prog := make([]byte, MaxStackSize+1)
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for i := range prog {
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prog[i] = byte(opcode.PUSH1)
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}
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v := load(prog)
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checkVMFailed(t, v)
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}
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// appendBigStruct returns a program which:
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// 1. pushes size Structs on stack
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// 2. packs them into a new struct
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// 3. appends them to a zero-length array
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// Resulting stack size consists of:
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// - struct (size+1)
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// - array (1) of struct (size+1)
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// which equals to size*2+3 elements in total.
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func appendBigStruct(size uint16) []opcode.Opcode {
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prog := make([]opcode.Opcode, size*2)
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for i := uint16(0); i < size; i++ {
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prog[i*2] = opcode.PUSH0
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prog[i*2+1] = opcode.NEWSTRUCT
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}
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return append(prog,
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opcode.PUSHBYTES2, opcode.Opcode(size), opcode.Opcode(size>>8), // LE
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opcode.PACK, opcode.NEWSTRUCT,
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opcode.DUP,
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opcode.PUSH0, opcode.NEWARRAY, opcode.TOALTSTACK, opcode.DUPFROMALTSTACK,
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opcode.SWAP,
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opcode.APPEND, opcode.RET)
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}
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func TestStackLimitAPPENDStructGood(t *testing.T) {
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prog := makeProgram(appendBigStruct(MaxStackSize/2 - 2)...)
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v := load(prog)
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runVM(t, v) // size = 2047 = (Max/2-2)*2+3 = Max-1
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}
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func TestStackLimitAPPENDStructBad(t *testing.T) {
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prog := makeProgram(appendBigStruct(MaxStackSize/2 - 1)...)
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v := load(prog)
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checkVMFailed(t, v) // size = 2049 = (Max/2-1)*2+3 = Max+1
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}
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func TestStackLimit(t *testing.T) {
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expected := []struct {
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inst opcode.Opcode
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size int
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}{
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{opcode.PUSH2, 1},
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{opcode.NEWARRAY, 3}, // array + 2 items
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{opcode.TOALTSTACK, 3},
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{opcode.DUPFROMALTSTACK, 4},
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{opcode.NEWSTRUCT, 6}, // all items are copied
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{opcode.NEWMAP, 7},
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{opcode.DUP, 8},
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{opcode.PUSH2, 9},
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{opcode.DUPFROMALTSTACK, 10},
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{opcode.SETITEM, 8}, // -3 items and 1 new element in map
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{opcode.DUP, 9},
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{opcode.PUSH2, 10},
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{opcode.DUPFROMALTSTACK, 11},
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{opcode.SETITEM, 8}, // -3 items and no new elements in map
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{opcode.DUP, 9},
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{opcode.PUSH2, 10},
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{opcode.REMOVE, 7}, // as we have right after NEWMAP
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{opcode.DROP, 6}, // DROP map with no elements
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}
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prog := make([]opcode.Opcode, len(expected))
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for i := range expected {
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prog[i] = expected[i].inst
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}
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vm := load(makeProgram(prog...))
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for i := range expected {
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require.NoError(t, vm.Step())
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require.Equal(t, expected[i].size, vm.size)
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}
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}
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func TestPushBytesShort(t *testing.T) {
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prog := make([]byte, 10)
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prog[0] = byte(opcode.PUSHBYTES10) // but only 9 left in the `prog`
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushm1to16(t *testing.T) {
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var prog []byte
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for i := int(opcode.PUSHM1); i <= int(opcode.PUSH16); i++ {
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if i == 80 {
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continue // opcode layout we got here.
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}
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prog = append(prog, byte(i))
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}
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vm := load(prog)
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for i := int(opcode.PUSHM1); i <= int(opcode.PUSH16); i++ {
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if i == 80 {
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continue // nice opcode layout we got here.
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}
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err := vm.Step()
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require.NoError(t, err)
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elem := vm.estack.Pop()
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assert.IsType(t, &BigIntegerItem{}, elem.value)
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val := i - int(opcode.PUSH1) + 1
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assert.Equal(t, elem.BigInt().Int64(), int64(val))
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}
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}
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func TestPushData1BadNoN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA1)}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData1BadN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA1), 1}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData1Good(t *testing.T) {
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prog := makeProgram(opcode.PUSHDATA1, 3, 1, 2, 3)
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vm := load(prog)
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runVM(t, vm)
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
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}
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func TestPushData2BadNoN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA2)}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData2ShortN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA2), 0}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData2BadN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA2), 1, 0}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData2Good(t *testing.T) {
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prog := makeProgram(opcode.PUSHDATA2, 3, 0, 1, 2, 3)
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vm := load(prog)
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runVM(t, vm)
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
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}
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func TestPushData4BadNoN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA4)}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData4BadN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA4), 1, 0, 0, 0}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData4ShortN(t *testing.T) {
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prog := []byte{byte(opcode.PUSHDATA4), 0, 0, 0}
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vm := load(prog)
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checkVMFailed(t, vm)
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}
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func TestPushData4BigN(t *testing.T) {
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prog := make([]byte, 1+4+MaxItemSize+1)
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prog[0] = byte(opcode.PUSHDATA4)
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binary.LittleEndian.PutUint32(prog[1:], MaxItemSize+1)
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vm := load(prog)
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vm.Run()
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assert.Equal(t, true, vm.HasFailed())
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}
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func TestPushData4Good(t *testing.T) {
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prog := makeProgram(opcode.PUSHDATA4, 3, 0, 0, 0, 1, 2, 3)
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vm := load(prog)
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runVM(t, vm)
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assert.Equal(t, 1, vm.estack.Len())
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assert.Equal(t, []byte{1, 2, 3}, vm.estack.Pop().Bytes())
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}
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func getEnumeratorProg(n int, isIter bool) (prog []byte) {
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prog = append(prog, byte(opcode.TOALTSTACK))
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for i := 0; i < n; i++ {
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prog = append(prog, byte(opcode.DUPFROMALTSTACK))
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prog = append(prog, getSyscallProg("Neo.Enumerator.Next")...)
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prog = append(prog, byte(opcode.DUPFROMALTSTACK))
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prog = append(prog, getSyscallProg("Neo.Enumerator.Value")...)
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if isIter {
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prog = append(prog, byte(opcode.DUPFROMALTSTACK))
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prog = append(prog, getSyscallProg("Neo.Iterator.Key")...)
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}
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}
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prog = append(prog, byte(opcode.DUPFROMALTSTACK))
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prog = append(prog, getSyscallProg("Neo.Enumerator.Next")...)
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return
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}
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func checkEnumeratorStack(t *testing.T, vm *VM, arr []StackItem) {
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require.Equal(t, len(arr)+1, vm.estack.Len())
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require.Equal(t, NewBoolItem(false), vm.estack.Peek(0).value)
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for i := 0; i < len(arr); i++ {
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require.Equal(t, arr[i], vm.estack.Peek(i+1).value, "pos: %d", i+1)
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}
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}
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func testIterableCreate(t *testing.T, typ string) {
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isIter := typ == "Iterator"
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prog := getSyscallProg("Neo." + typ + ".Create")
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prog = append(prog, getEnumeratorProg(2, isIter)...)
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vm := load(prog)
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arr := []StackItem{
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NewBigIntegerItem(42),
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NewByteArrayItem([]byte{3, 2, 1}),
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}
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vm.estack.Push(&Element{value: NewArrayItem(arr)})
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runVM(t, vm)
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if isIter {
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checkEnumeratorStack(t, vm, []StackItem{
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makeStackItem(1), arr[1], NewBoolItem(true),
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makeStackItem(0), arr[0], NewBoolItem(true),
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})
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} else {
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checkEnumeratorStack(t, vm, []StackItem{
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arr[1], NewBoolItem(true),
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arr[0], NewBoolItem(true),
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})
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}
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}
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func TestEnumeratorCreate(t *testing.T) {
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testIterableCreate(t, "Enumerator")
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}
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func TestIteratorCreate(t *testing.T) {
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testIterableCreate(t, "Iterator")
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}
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func testIterableConcat(t *testing.T, typ string) {
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isIter := typ == "Iterator"
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prog := getSyscallProg("Neo." + typ + ".Create")
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prog = append(prog, byte(opcode.SWAP))
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prog = append(prog, getSyscallProg("Neo."+typ+".Create")...)
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prog = append(prog, getSyscallProg("Neo."+typ+".Concat")...)
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prog = append(prog, getEnumeratorProg(3, isIter)...)
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vm := load(prog)
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arr := []StackItem{
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NewBoolItem(false),
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NewBigIntegerItem(123),
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NewMapItem(),
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}
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vm.estack.Push(&Element{value: NewArrayItem(arr[:1])})
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vm.estack.Push(&Element{value: NewArrayItem(arr[1:])})
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runVM(t, vm)
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if isIter {
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// Yes, this is how iterators are concatenated in reference VM
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// https://github.com/neo-project/neo/blob/master-2.x/neo.UnitTests/UT_ConcatenatedIterator.cs#L54
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checkEnumeratorStack(t, vm, []StackItem{
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makeStackItem(1), arr[2], NewBoolItem(true),
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makeStackItem(0), arr[1], NewBoolItem(true),
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makeStackItem(0), arr[0], NewBoolItem(true),
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})
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} else {
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checkEnumeratorStack(t, vm, []StackItem{
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arr[2], NewBoolItem(true),
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arr[1], NewBoolItem(true),
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arr[0], NewBoolItem(true),
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})
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}
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}
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func TestEnumeratorConcat(t *testing.T) {
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testIterableConcat(t, "Enumerator")
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}
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func TestIteratorConcat(t *testing.T) {
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testIterableConcat(t, "Iterator")
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}
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func TestIteratorKeys(t *testing.T) {
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prog := getSyscallProg("Neo.Iterator.Create")
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prog = append(prog, getSyscallProg("Neo.Iterator.Keys")...)
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prog = append(prog, byte(opcode.TOALTSTACK), byte(opcode.DUPFROMALTSTACK))
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prog = append(prog, getEnumeratorProg(2, false)...)
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v := load(prog)
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arr := NewArrayItem([]StackItem{
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NewBoolItem(false),
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NewBigIntegerItem(42),
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})
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v.estack.PushVal(arr)
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runVM(t, v)
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checkEnumeratorStack(t, v, []StackItem{
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NewBigIntegerItem(1), NewBoolItem(true),
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NewBigIntegerItem(0), NewBoolItem(true),
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})
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}
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func TestIteratorValues(t *testing.T) {
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prog := getSyscallProg("Neo.Iterator.Create")
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prog = append(prog, getSyscallProg("Neo.Iterator.Values")...)
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prog = append(prog, byte(opcode.TOALTSTACK), byte(opcode.DUPFROMALTSTACK))
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prog = append(prog, getEnumeratorProg(2, false)...)
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v := load(prog)
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m := NewMapItem()
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m.Add(NewBigIntegerItem(1), NewBoolItem(false))
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m.Add(NewByteArrayItem([]byte{32}), NewByteArrayItem([]byte{7}))
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v.estack.PushVal(m)
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runVM(t, v)
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require.Equal(t, 5, v.estack.Len())
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require.Equal(t, NewBoolItem(false), v.estack.Peek(0).value)
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// Map values can be enumerated in any order.
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i1, i2 := 1, 3
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if _, ok := v.estack.Peek(i1).value.(*BoolItem); !ok {
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i1, i2 = i2, i1
|
|
}
|
|
|
|
require.Equal(t, NewBoolItem(false), v.estack.Peek(i1).value)
|
|
require.Equal(t, NewByteArrayItem([]byte{7}), v.estack.Peek(i2).value)
|
|
|
|
require.Equal(t, NewBoolItem(true), v.estack.Peek(2).value)
|
|
require.Equal(t, NewBoolItem(true), v.estack.Peek(4).value)
|
|
}
|
|
|
|
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 TestPICKITEMDupArray(t *testing.T) {
|
|
prog := makeProgram(opcode.DUP, opcode.PUSH0, opcode.PICKITEM, opcode.ABS)
|
|
vm := load(prog)
|
|
vm.estack.PushVal([]StackItem{makeStackItem(-1)})
|
|
runVM(t, vm)
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
items := vm.estack.Pop().Value().([]StackItem)
|
|
assert.Equal(t, big.NewInt(-1), items[0].Value())
|
|
}
|
|
|
|
func TestPICKITEMDupMap(t *testing.T) {
|
|
prog := makeProgram(opcode.DUP, opcode.PUSHBYTES1, 42, opcode.PICKITEM, opcode.ABS)
|
|
vm := load(prog)
|
|
m := NewMapItem()
|
|
m.Add(makeStackItem([]byte{42}), makeStackItem(-1))
|
|
vm.estack.Push(&Element{value: m})
|
|
runVM(t, vm)
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
items := vm.estack.Pop().Value().(map[interface{}]StackItem)
|
|
assert.Equal(t, big.NewInt(-1), items[string([]byte{42})].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.BytesBE()...)
|
|
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 TestPICKDup(t *testing.T) {
|
|
prog := makeProgram(opcode.PUSHM1, opcode.PUSH0,
|
|
opcode.PUSH1,
|
|
opcode.PUSH2,
|
|
opcode.PICK,
|
|
opcode.ABS)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 4, vm.estack.Len())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(0), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(-1), 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 TestROLLBad1(t *testing.T) {
|
|
prog := makeProgram(opcode.ROLL)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(-1)
|
|
checkVMFailed(t, vm)
|
|
}
|
|
|
|
func TestROLLBad2(t *testing.T) {
|
|
prog := makeProgram(opcode.ROLL)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(3)
|
|
vm.estack.PushVal(3)
|
|
checkVMFailed(t, vm)
|
|
}
|
|
|
|
func TestROLLGood(t *testing.T) {
|
|
prog := makeProgram(opcode.ROLL)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(3)
|
|
vm.estack.PushVal(4)
|
|
vm.estack.PushVal(1)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 4, vm.estack.Len())
|
|
assert.Equal(t, makeStackItem(3), vm.estack.Pop().value)
|
|
assert.Equal(t, makeStackItem(4), vm.estack.Pop().value)
|
|
assert.Equal(t, makeStackItem(2), vm.estack.Pop().value)
|
|
assert.Equal(t, makeStackItem(1), 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 TestOVERDup(t *testing.T) {
|
|
prog := makeProgram(opcode.PUSHBYTES2, 1, 0,
|
|
opcode.PUSH1,
|
|
opcode.OVER,
|
|
opcode.PUSH1,
|
|
opcode.LEFT,
|
|
opcode.PUSHBYTES1, 2,
|
|
opcode.CAT)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 3, vm.estack.Len())
|
|
assert.Equal(t, []byte{0x01, 0x02}, vm.estack.Pop().Bytes())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, []byte{0x01, 0x00}, vm.estack.Pop().Bytes())
|
|
}
|
|
|
|
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 TestINVERTWithConversion1(t *testing.T) {
|
|
prog := makeProgram(opcode.PUSHDATA2, 0, 0, opcode.INVERT)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, int64(-1), vm.estack.Peek(0).BigInt().Int64())
|
|
}
|
|
|
|
func TestINVERTWithConversion2(t *testing.T) {
|
|
prog := makeProgram(opcode.PUSH0, opcode.PUSH1, opcode.NUMEQUAL, opcode.INVERT)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, int64(-1), 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{0}}, 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 := pk.Sign([]byte(msg))
|
|
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 := pk.Sign(msg)
|
|
pbytes := pk.PublicKey().Bytes()[:4]
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 := pk.Sign(msg)
|
|
pbytes := pk.PublicKey().Bytes()
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 := pk.Sign(msg)
|
|
pbytes := pk.PublicKey().Bytes()
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 := pk.Sign(msg)
|
|
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 := pk.Sign(msg)
|
|
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 := pk1.Sign(msg)
|
|
sig2 := pk2.Sign(msg)
|
|
pbytes1 := pk1.PublicKey().Bytes()
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 := pk1.Sign(msg)
|
|
sig2 := pk2.Sign(msg)
|
|
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 := pk1.Sign(msg)
|
|
sig2 := pk2.Sign(msg)
|
|
pbytes1 := pk1.PublicKey().Bytes()
|
|
pbytes2 := pk2.PublicKey().Bytes()[:4]
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 := pk1.Sign(msg)
|
|
sig2 := pk2.Sign(msg)
|
|
pbytes1 := pk1.PublicKey().Bytes()
|
|
pbytes2 := pk2.PublicKey().Bytes()
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 := pk1.Sign(msg)
|
|
sig2 := pk2.Sign(msg)
|
|
pbytes1 := pk1.PublicKey().Bytes()
|
|
pbytes2 := pk2.PublicKey().Bytes()
|
|
vm := load(prog)
|
|
vm.SetCheckedHash(hash.Sha256(msg).BytesBE())
|
|
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 TestSWAPGood(t *testing.T) {
|
|
prog := makeProgram(opcode.SWAP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(4)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, int64(2), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(4), vm.estack.Pop().BigInt().Int64())
|
|
}
|
|
|
|
func TestSWAPBad1(t *testing.T) {
|
|
prog := makeProgram(opcode.SWAP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(4)
|
|
checkVMFailed(t, vm)
|
|
}
|
|
|
|
func TestSWAPBad2(t *testing.T) {
|
|
prog := makeProgram(opcode.SWAP)
|
|
vm := load(prog)
|
|
checkVMFailed(t, vm)
|
|
}
|
|
|
|
func TestXSWAPGood(t *testing.T) {
|
|
prog := makeProgram(opcode.XSWAP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(3)
|
|
vm.estack.PushVal(4)
|
|
vm.estack.PushVal(5)
|
|
vm.estack.PushVal(3)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 5, vm.estack.Len())
|
|
assert.Equal(t, int64(2), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(4), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(3), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(5), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
}
|
|
|
|
func TestXSWAPBad1(t *testing.T) {
|
|
prog := makeProgram(opcode.XSWAP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(-1)
|
|
checkVMFailed(t, vm)
|
|
}
|
|
|
|
func TestXSWAPBad2(t *testing.T) {
|
|
prog := makeProgram(opcode.XSWAP)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(1)
|
|
vm.estack.PushVal(2)
|
|
vm.estack.PushVal(3)
|
|
vm.estack.PushVal(4)
|
|
vm.estack.PushVal(4)
|
|
checkVMFailed(t, vm)
|
|
}
|
|
|
|
func TestDupInt(t *testing.T) {
|
|
prog := makeProgram(opcode.DUP, opcode.ABS)
|
|
vm := load(prog)
|
|
vm.estack.PushVal(-1)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, int64(1), vm.estack.Pop().BigInt().Int64())
|
|
assert.Equal(t, int64(-1), vm.estack.Pop().BigInt().Int64())
|
|
}
|
|
|
|
func TestDupByteArray(t *testing.T) {
|
|
prog := makeProgram(opcode.PUSHBYTES2, 1, 0,
|
|
opcode.DUP,
|
|
opcode.PUSH1,
|
|
opcode.LEFT,
|
|
opcode.PUSHBYTES1, 2,
|
|
opcode.CAT)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, []byte{0x01, 0x02}, vm.estack.Pop().Bytes())
|
|
assert.Equal(t, []byte{0x01, 0x00}, vm.estack.Pop().Bytes())
|
|
}
|
|
|
|
func TestDupBool(t *testing.T) {
|
|
prog := makeProgram(opcode.PUSH0, opcode.NOT,
|
|
opcode.DUP,
|
|
opcode.PUSH1, opcode.NOT,
|
|
opcode.BOOLAND)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 2, vm.estack.Len())
|
|
assert.Equal(t, false, vm.estack.Pop().Bool())
|
|
assert.Equal(t, true, vm.estack.Pop().Bool())
|
|
}
|
|
|
|
func TestSHA1(t *testing.T) {
|
|
// 0x0100 hashes to 0e356ba505631fbf715758bed27d503f8b260e3a
|
|
res := "0e356ba505631fbf715758bed27d503f8b260e3a"
|
|
prog := makeProgram(opcode.PUSHBYTES2, 1, 0,
|
|
opcode.SHA1)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, res, hex.EncodeToString(vm.estack.Pop().Bytes()))
|
|
}
|
|
|
|
func TestSHA256(t *testing.T) {
|
|
// 0x0100 hashes to 47dc540c94ceb704a23875c11273e16bb0b8a87aed84de911f2133568115f254
|
|
res := "47dc540c94ceb704a23875c11273e16bb0b8a87aed84de911f2133568115f254"
|
|
prog := makeProgram(opcode.PUSHBYTES2, 1, 0,
|
|
opcode.SHA256)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, res, hex.EncodeToString(vm.estack.Pop().Bytes()))
|
|
}
|
|
|
|
func TestHASH160(t *testing.T) {
|
|
// 0x0100 hashes to fbc22d517f38e7612798ece8e5957cf6c41d8caf
|
|
res := "fbc22d517f38e7612798ece8e5957cf6c41d8caf"
|
|
prog := makeProgram(opcode.PUSHBYTES2, 1, 0,
|
|
opcode.HASH160)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, res, hex.EncodeToString(vm.estack.Pop().Bytes()))
|
|
}
|
|
|
|
func TestHASH256(t *testing.T) {
|
|
// 0x0100 hashes to 677b2d718464ee0121475600b929c0b4155667486577d1320b18c2dc7d4b4f99
|
|
res := "677b2d718464ee0121475600b929c0b4155667486577d1320b18c2dc7d4b4f99"
|
|
prog := makeProgram(opcode.PUSHBYTES2, 1, 0,
|
|
opcode.HASH256)
|
|
vm := load(prog)
|
|
runVM(t, vm)
|
|
assert.Equal(t, 1, vm.estack.Len())
|
|
assert.Equal(t, res, hex.EncodeToString(vm.estack.Pop().Bytes()))
|
|
}
|
|
|
|
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
|
|
}
|