Merge pull request #2066 from nspcc-dev/block-nonce

Add `System.Runtime.GetRandom`

go.mod

@@ -17,6 +17,7 @@ require (
 	github.com/prometheus/client_golang v1.2.1
 	github.com/stretchr/testify v1.6.1
 	github.com/syndtr/goleveldb v0.0.0-20180307113352-169b1b37be73
+	github.com/twmb/murmur3 v1.1.5
 	github.com/urfave/cli v1.20.0
 	github.com/virtuald/go-ordered-json v0.0.0-20170621173500-b18e6e673d74
 	go.etcd.io/bbolt v1.3.4

go.sum

@@ -228,6 +228,8 @@ github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/syndtr/goleveldb v0.0.0-20180307113352-169b1b37be73 h1:I2drr5K0tykBofr74ZEGliE/Hf6fNkEbcPyFvsy7wZk=
 github.com/syndtr/goleveldb v0.0.0-20180307113352-169b1b37be73/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
+github.com/twmb/murmur3 v1.1.5 h1:i9OLS9fkuLzBXjt6dptlAEyk58fJsSTXbRg3SgVyqgk=
+github.com/twmb/murmur3 v1.1.5/go.mod h1:Qq/R7NUyOfr65zD+6Q5IHKsJLwP7exErjN6lyyq3OSQ=
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
 github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=

pkg/compiler/syscall_test.go

@@ -76,6 +76,7 @@ func TestSyscallExecution(t *testing.T) {
 		"runtime.GetInvocationCounter":     {interopnames.SystemRuntimeGetInvocationCounter, nil, false},
 		"runtime.GetNetwork":               {interopnames.SystemRuntimeGetNetwork, nil, false},
 		"runtime.GetNotifications":         {interopnames.SystemRuntimeGetNotifications, []string{u160}, false},
+		"runtime.GetRandom":                {interopnames.SystemRuntimeGetRandom, nil, false},
 		"runtime.GetScriptContainer":       {interopnames.SystemRuntimeGetScriptContainer, nil, false},
 		"runtime.GetTime":                  {interopnames.SystemRuntimeGetTime, nil, false},
 		"runtime.GetTrigger":               {interopnames.SystemRuntimeGetTrigger, nil, false},

pkg/consensus/consensus.go

@@ -1,6 +1,8 @@
 package consensus
 
 import (
+	"crypto/rand"
+	"encoding/binary"
 	"errors"
 	"fmt"
 	"sort"
@@ -239,9 +241,19 @@ func (s *service) newPrepareRequest() payload.PrepareRequest {
 			panic(err)
 		}
 	}
+	r.nonce = s.getNonce()
 	return r
 }
 
+func (s *service) getNonce() uint64 {
+	b := make([]byte, 8)
+	_, err := rand.Read(b)
+	if err != nil {
+		panic(err)
+	}
+	return binary.LittleEndian.Uint64(b)
+}
+
 func (s *service) Start() {
 	if s.started.CAS(false, true) {
 		s.log.Info("starting consensus service")
@@ -649,6 +661,7 @@ func (s *service) newBlockFromContext(ctx *dbft.Context) block.Block {
 	block := &neoBlock{network: s.ProtocolConfiguration.Magic}
 
 	block.Block.Timestamp = ctx.Timestamp / nsInMs
+	block.Block.Nonce = ctx.PreparationPayloads[ctx.PrimaryIndex].GetPrepareRequest().Nonce()
 	block.Block.Index = ctx.BlockIndex
 	if s.ProtocolConfiguration.StateRootInHeader {
 		sr, err := s.Chain.GetStateModule().GetStateRoot(ctx.BlockIndex - 1)

pkg/consensus/prepare_request.go

@@ -12,6 +12,7 @@ type prepareRequest struct {
 	version           uint32
 	prevHash          util.Uint256
 	timestamp         uint64
+	nonce             uint64
 	transactionHashes []util.Uint256
 	stateRootEnabled  bool
 	stateRoot         util.Uint256
@@ -24,6 +25,7 @@ func (p *prepareRequest) EncodeBinary(w *io.BinWriter) {
 	w.WriteU32LE(p.version)
 	w.WriteBytes(p.prevHash[:])
 	w.WriteU64LE(p.timestamp)
+	w.WriteU64LE(p.nonce)
 	w.WriteArray(p.transactionHashes)
 	if p.stateRootEnabled {
 		w.WriteBytes(p.stateRoot[:])
@@ -35,6 +37,7 @@ func (p *prepareRequest) DecodeBinary(r *io.BinReader) {
 	p.version = r.ReadU32LE()
 	r.ReadBytes(p.prevHash[:])
 	p.timestamp = r.ReadU64LE()
+	p.nonce = r.ReadU64LE()
 	r.ReadArray(&p.transactionHashes, block.MaxTransactionsPerBlock)
 	if p.stateRootEnabled {
 		r.ReadBytes(p.stateRoot[:])
@@ -68,10 +71,10 @@ func (p *prepareRequest) Timestamp() uint64 { return p.timestamp * nsInMs }
 func (p *prepareRequest) SetTimestamp(ts uint64) { p.timestamp = ts / nsInMs }
 
 // Nonce implements payload.PrepareRequest interface.
-func (p *prepareRequest) Nonce() uint64 { return 0 }
+func (p *prepareRequest) Nonce() uint64 { return p.nonce }
 
 // SetNonce implements payload.PrepareRequest interface.
-func (p *prepareRequest) SetNonce(nonce uint64) {}
+func (p *prepareRequest) SetNonce(nonce uint64) { p.nonce = nonce }
 
 // TransactionHashes implements payload.PrepareRequest interface.
 func (p *prepareRequest) TransactionHashes() []util.Uint256 { return p.transactionHashes }

pkg/core/block/block_test.go

@@ -105,7 +105,7 @@ func TestHashBlockEqualsHashHeader(t *testing.T) {
 
 func TestBinBlockDecodeEncode(t *testing.T) {
 	// block with two transfer transactions taken from C# privnet
-	rawblock := "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"
+	rawblock := "AAAAAAwIVa2D6Yha3tArd5XnwkAf7deJBsdyyvpYb2xMZGBbkOUNHAsfre0rKA/F+Ox05/bQSXmcRZnzK3M6Z+/TxJUh0MNFeAEAAAAAAAAAAAAAAQAAAADe7nnBifMAmLC6ai65CzqSWKbH/wHGDEDgwCcXkcaFw5MGOp1cpkgApzDTX2/RxKlmPeXTgWYtfEA8g9svUSbZA4TeoGyWvX8LiN0tJKrzajdMGvTVGqVmDEDp6PBmZmRx9CxswtLht6oWa2Uq4rl5diPsLtqXZeZepMlxUSbaCdlFTB7iWQG9yKXWR5hc0sScevvuVwwsUYdlDEDwlhwZrP07E5fEQKttVMYAiL7edd/eW2yoMGZe6Q95g7yXQ69edVHfQb61fBw3DjCpMDZ5lsxp3BgzXglJwMSKkxMMIQIQOn990BZVhZf3lg0nxRakOU/ZaLnmUVXrSwE+QEBAbgwhAqe8Vf6GhOARl2jRBLoweVvcyGYZ6GSt0mFWcj7Rhc1iDCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcIMIQPZDAffY+aQzneRLhCrUazJRLZoYCN7YIxPj4MJ5x7mmRRBe85spQIAWNC7C8DYpwAAAAAAIKpEAAAAAADoAwAAAd7uecGJ8wCYsLpqLrkLOpJYpsf/AQBbCwIA4fUFDBSAzse29bVvUFePc38WLTqxTUZlDQwU3u55wYnzAJiwumouuQs6klimx/8UwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQHGDEC4UIzT61GYPx0LdksrF6C2ioYai6fbwpjv3BGAqiyagxiomYGZRLeXZyD67O5FJ86pXRFtSbVYu2YDG+T5ICIgDEDzm/wl+BnHvQXaHQ1rGLtdUMc41wN6I48kPPM7F23gL9sVxGziQIMRLnpTbWHrnzaU9Sy0fXkvIrdJy1KABkSQDEDBwuBuVK+nsZvn1oAscPj6d3FJiUGK9xiHpX9Ipp/5jTnXRBAyzyGc8IZMBVql4WS8kwFe6ojA/9BvFb5eWXnEkxMMIQIQOn990BZVhZf3lg0nxRakOU/ZaLnmUVXrSwE+QEBAbgwhAqe8Vf6GhOARl2jRBLoweVvcyGYZ6GSt0mFWcj7Rhc1iDCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcIMIQPZDAffY+aQzneRLhCrUazJRLZoYCN7YIxPj4MJ5x7mmRRBe85spQDYJLwZwNinAAAAAAAgqkQAAAAAAOgDAAAB3u55wYnzAJiwumouuQs6klimx/8BAF8LAwBA2d2ITQoADBSAzse29bVvUFePc38WLTqxTUZlDQwU3u55wYnzAJiwumouuQs6klimx/8UwB8MCHRyYW5zZmVyDBTPduKL0AYsSkeO41VhARMZ88+k0kFifVtSOQHGDEDWn0D7z2ELqpN8ghcM/PtfFwo56/BfEasfHuSKECJMYxvU47r2ZtSihg59lGxSZzHsvxTy6nsyvJ22ycNhINdJDECl61cg937N/HujKsLMu2wJMS7C54bzJ3q22Czqllvw3Yp809USgKDs+W+3QD7rI+SFs0OhIn0gooCUU6f/13WjDEDr9XdeT5CGTO8CL0JigzcTcucs0GBcqHs8fToO6zPuuCfS7Wh6dyxSCijT4A4S+7BUdW3dsO7828ke1fj8oNxmkxMMIQIQOn990BZVhZf3lg0nxRakOU/ZaLnmUVXrSwE+QEBAbgwhAqe8Vf6GhOARl2jRBLoweVvcyGYZ6GSt0mFWcj7Rhc1iDCECs2Ir9AF73+MXxYrtX0x1PyBrfbiWBG+n13S7xL9/jcIMIQPZDAffY+aQzneRLhCrUazJRLZoYCN7YIxPj4MJ5x7mmRRBe85spQ=="
 	rawblockBytes, _ := base64.StdEncoding.DecodeString(rawblock)
 
 	b := New(false)
@@ -152,7 +152,7 @@ func TestBlockSizeCalculation(t *testing.T) {
 	// should be the same.In this test we provide more details then necessary because in case of failure we can easily debug the
 	// root cause of the size calculation missmatch.
 
-	rawBlock := "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"
+	rawBlock := "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"
 	rawBlockBytes, _ := base64.StdEncoding.DecodeString(rawBlock)
 
 	b := New(false)
@@ -195,12 +195,12 @@ func TestBlockSizeCalculation(t *testing.T) {
 
 	assert.Equal(t, "DEDgwCcXkcaFw5MGOp1cpkgApzDTX2/RxKlmPeXTgWYtfEA8g9svUSbZA4TeoGyWvX8LiN0tJKrzajdMGvTVGqVmDEDp6PBmZmRx9CxswtLht6oWa2Uq4rl5diPsLtqXZeZepMlxUSbaCdlFTB7iWQG9yKXWR5hc0sScevvuVwwsUYdlDEDwlhwZrP07E5fEQKttVMYAiL7edd/eW2yoMGZe6Q95g7yXQ69edVHfQb61fBw3DjCpMDZ5lsxp3BgzXglJwMSK", base64.StdEncoding.EncodeToString(b.Script.InvocationScript))
 	assert.Equal(t, "EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl", base64.StdEncoding.EncodeToString(b.Script.VerificationScript))
-	assert.Equal(t, "02d7c7801742cd404eb178780c840477f1eef4a771ecc8cc9434640fe8f2bb09", b.Hash().StringLE())
+	assert.Equal(t, "0285238e7b5d3ca50ae8f8636dedb4fa486bc0536016e1f1edfd74442af7412e", b.Hash().StringLE())
 
 	benc, err := testserdes.EncodeBinary(b)
 	assert.NoError(t, err)
 	// test size of the block
-	assert.Equal(t, 1430, len(benc))
+	assert.Equal(t, 1438, len(benc))
 	assert.Equal(t, rawBlock, base64.StdEncoding.EncodeToString(benc))
 }
 

pkg/core/block/header.go

@@ -3,6 +3,8 @@ package block
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
+	"strconv"
 
 	"github.com/nspcc-dev/neo-go/pkg/core/transaction"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
@@ -28,6 +30,9 @@ type Header struct {
 	// The height of the block must be exactly equal to the height of the previous block plus 1.
 	Timestamp uint64
 
+	// Nonce is block random number.
+	Nonce uint64
+
 	// index/height of the block
 	Index uint32
 
@@ -57,6 +62,7 @@ type baseAux struct {
 	PrevHash      util.Uint256          `json:"previousblockhash"`
 	MerkleRoot    util.Uint256          `json:"merkleroot"`
 	Timestamp     uint64                `json:"time"`
+	Nonce         string                `json:"nonce"`
 	Index         uint32                `json:"index"`
 	NextConsensus string                `json:"nextconsensus"`
 	PrimaryIndex  byte                  `json:"primary"`
@@ -112,6 +118,7 @@ func (b *Header) encodeHashableFields(bw *io.BinWriter) {
 	bw.WriteBytes(b.PrevHash[:])
 	bw.WriteBytes(b.MerkleRoot[:])
 	bw.WriteU64LE(b.Timestamp)
+	bw.WriteU64LE(b.Nonce)
 	bw.WriteU32LE(b.Index)
 	bw.WriteB(b.PrimaryIndex)
 	bw.WriteBytes(b.NextConsensus[:])
@@ -127,6 +134,7 @@ func (b *Header) decodeHashableFields(br *io.BinReader) {
 	br.ReadBytes(b.PrevHash[:])
 	br.ReadBytes(b.MerkleRoot[:])
 	b.Timestamp = br.ReadU64LE()
+	b.Nonce = br.ReadU64LE()
 	b.Index = br.ReadU32LE()
 	b.PrimaryIndex = br.ReadB()
 	br.ReadBytes(b.NextConsensus[:])
@@ -149,6 +157,7 @@ func (b Header) MarshalJSON() ([]byte, error) {
 		PrevHash:      b.PrevHash,
 		MerkleRoot:    b.MerkleRoot,
 		Timestamp:     b.Timestamp,
+		Nonce:         fmt.Sprintf("%016x", b.Nonce),
 		Index:         b.Index,
 		PrimaryIndex:  b.PrimaryIndex,
 		NextConsensus: address.Uint160ToString(b.NextConsensus),
@@ -170,6 +179,13 @@ func (b *Header) UnmarshalJSON(data []byte) error {
 		return err
 	}
 
+	var nonce uint64
+	if len(aux.Nonce) != 0 {
+		nonce, err = strconv.ParseUint(aux.Nonce, 16, 64)
+		if err != nil {
+			return err
+		}
+	}
 	nextC, err = address.StringToUint160(aux.NextConsensus)
 	if err != nil {
 		return err
@@ -181,6 +197,7 @@ func (b *Header) UnmarshalJSON(data []byte) error {
 	b.PrevHash = aux.PrevHash
 	b.MerkleRoot = aux.MerkleRoot
 	b.Timestamp = aux.Timestamp
+	b.Nonce = nonce
 	b.Index = aux.Index
 	b.PrimaryIndex = aux.PrimaryIndex
 	b.NextConsensus = nextC

pkg/core/blockchain.go

@@ -1908,6 +1908,7 @@ func (bc *Blockchain) newInteropContext(trigger trigger.Type, d dao.DAO, block *
 	case block != nil:
 		ic.Container = block
 	}
+	ic.InitNonceData()
 	return ic
 }
 

pkg/core/interop/context.go

@@ -1,6 +1,7 @@
 package interop
 
 import (
+	"encoding/binary"
 	"errors"
 	"fmt"
 	"sort"
@@ -39,6 +40,7 @@ type Context struct {
 	Natives       []Contract
 	Trigger       trigger.Type
 	Block         *block.Block
+	NonceData     [16]byte
 	Tx            *transaction.Transaction
 	DAO           *dao.Cached
 	Notifications []state.NotificationEvent
@@ -70,6 +72,18 @@ func NewContext(trigger trigger.Type, bc blockchainer.Blockchainer, d dao.DAO,
 	}
 }
 
+// InitNonceData initializes nonce to be used in `GetRandom` calculations.
+func (ic *Context) InitNonceData() {
+	if tx, ok := ic.Container.(*transaction.Transaction); ok {
+		copy(ic.NonceData[:], tx.Hash().BytesBE())
+	}
+	if ic.Block != nil {
+		nonce := ic.Block.Nonce
+		nonce ^= binary.LittleEndian.Uint64(ic.NonceData[:])
+		binary.LittleEndian.PutUint64(ic.NonceData[:], nonce)
+	}
+}
+
 // Function binds function name, id with the function itself and price,
 // it's supposed to be inited once for all interopContexts, so it doesn't use
 // vm.InteropFuncPrice directly.

pkg/core/interop/interopnames/names.go

@@ -26,6 +26,7 @@ const (
 	SystemRuntimeGetInvocationCounter   = "System.Runtime.GetInvocationCounter"
 	SystemRuntimeGetNetwork             = "System.Runtime.GetNetwork"
 	SystemRuntimeGetNotifications       = "System.Runtime.GetNotifications"
+	SystemRuntimeGetRandom              = "System.Runtime.GetRandom"
 	SystemRuntimeGetScriptContainer     = "System.Runtime.GetScriptContainer"
 	SystemRuntimeGetTime                = "System.Runtime.GetTime"
 	SystemRuntimeGetTrigger             = "System.Runtime.GetTrigger"
@@ -64,6 +65,7 @@ var names = []string{
 	SystemRuntimeGetInvocationCounter,
 	SystemRuntimeGetNetwork,
 	SystemRuntimeGetNotifications,
+	SystemRuntimeGetRandom,
 	SystemRuntimeGetScriptContainer,
 	SystemRuntimeGetTime,
 	SystemRuntimeGetTrigger,

pkg/core/interop/runtime/util.go

@@ -1,13 +1,16 @@
 package runtime
 
 import (
+	"encoding/binary"
 	"errors"
 
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/state"
+	"github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
+	"github.com/twmb/murmur3"
 )
 
 // GasLeft returns remaining amount of GAS.
@@ -74,3 +77,19 @@ func GetNetwork(ic *interop.Context) error {
 	ic.VM.Estack().PushVal(uint32(m))
 	return nil
 }
+
+// GetRandom returns pseudo-random number which depends on block nonce and transaction hash.
+func GetRandom(ic *interop.Context) error {
+	res := murmur128(ic.NonceData[:], ic.Network)
+	ic.VM.Estack().PushVal(bigint.FromBytesUnsigned(res))
+	copy(ic.NonceData[:], res)
+	return nil
+}
+
+func murmur128(data []byte, seed uint32) []byte {
+	h1, h2 := murmur3.SeedSum128(uint64(seed), uint64(seed), data)
+	result := make([]byte, 16)
+	binary.LittleEndian.PutUint64(result, h1)
+	binary.LittleEndian.PutUint64(result[8:], h2)
+	return result
+}

pkg/core/interop/runtime/util_test.go

@@ -1,6 +1,7 @@
 package runtime
 
 import (
+	"encoding/hex"
 	"testing"
 
 	"github.com/nspcc-dev/neo-go/internal/random"
@@ -114,3 +115,20 @@ func TestRuntimeGetInvocationCounter(t *testing.T) {
 		checkStack(t, ic.VM, 42)
 	})
 }
+
+// Test compatibility with C# implementation.
+// https://github.com/neo-project/neo/blob/master/tests/neo.UnitTests/Cryptography/UT_Murmur128.cs
+func TestMurmurCompat(t *testing.T) {
+	res := murmur128([]byte("hello"), 123)
+	require.Equal(t, "0bc59d0ad25fde2982ed65af61227a0e", hex.EncodeToString(res))
+
+	res = murmur128([]byte("world"), 123)
+	require.Equal(t, "3d3810fed480472bd214a14023bb407f", hex.EncodeToString(res))
+
+	res = murmur128([]byte("hello world"), 123)
+	require.Equal(t, "e0a0632d4f51302c55e3b3e48d28795d", hex.EncodeToString(res))
+
+	bs, _ := hex.DecodeString("718f952132679baa9c5c2aa0d329fd2a")
+	res = murmur128(bs, 123)
+	require.Equal(t, "9b4aa747ff0cf4e41b3d96251551c8ae", hex.EncodeToString(res))
+}

pkg/core/interop_system_test.go

@@ -8,6 +8,9 @@ import (
 
 	"github.com/nspcc-dev/neo-go/internal/random"
 	"github.com/nspcc-dev/neo-go/internal/testchain"
+	"github.com/nspcc-dev/neo-go/pkg/config"
+	"github.com/nspcc-dev/neo-go/pkg/config/netmode"
+	"github.com/nspcc-dev/neo-go/pkg/core/block"
 	"github.com/nspcc-dev/neo-go/pkg/core/dao"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop"
 	"github.com/nspcc-dev/neo-go/pkg/core/interop/contract"
@@ -35,6 +38,79 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// Tests are taken from
+// https://github.com/neo-project/neo/blob/master/tests/neo.UnitTests/SmartContract/UT_ApplicationEngine.Runtime.cs
+func TestRuntimeGetRandomCompatibility(t *testing.T) {
+	bc := newTestChain(t)
+
+	b := getSharpTestGenesis(t)
+	tx := getSharpTestTx(util.Uint160{})
+	ic := bc.newInteropContext(trigger.Application, dao.NewCached(bc.dao), b, tx)
+	ic.Network = uint32(netmode.MainNet)
+
+	ic.VM = vm.New()
+	ic.VM.LoadScript([]byte{0x01})
+
+	require.NoError(t, runtime.GetRandom(ic))
+	require.Equal(t, "225932872514876835587448704843370203748", ic.VM.Estack().Pop().BigInt().String())
+
+	require.NoError(t, runtime.GetRandom(ic))
+	require.Equal(t, "190129535548110356450238097068474508661", ic.VM.Estack().Pop().BigInt().String())
+
+	require.NoError(t, runtime.GetRandom(ic))
+	require.Equal(t, "48930406787011198493485648810190184269", ic.VM.Estack().Pop().BigInt().String())
+
+	require.NoError(t, runtime.GetRandom(ic))
+	require.Equal(t, "66199389469641263539889463157823839112", ic.VM.Estack().Pop().BigInt().String())
+
+	require.NoError(t, runtime.GetRandom(ic))
+	require.Equal(t, "217172703763162599519098299724476526911", ic.VM.Estack().Pop().BigInt().String())
+}
+
+func TestRuntimeGetRandomDifferentTransactions(t *testing.T) {
+	bc := newTestChain(t)
+	b, _ := bc.GetBlock(bc.GetHeaderHash(0))
+
+	tx1 := transaction.New([]byte{byte(opcode.PUSH1)}, 0)
+	ic1 := bc.newInteropContext(trigger.Application, dao.NewCached(bc.dao), b, tx1)
+	ic1.VM = vm.New()
+	ic1.VM.LoadScript(tx1.Script)
+
+	tx2 := transaction.New([]byte{byte(opcode.PUSH2)}, 0)
+	ic2 := bc.newInteropContext(trigger.Application, dao.NewCached(bc.dao), b, tx2)
+	ic2.VM = vm.New()
+	ic2.VM.LoadScript(tx2.Script)
+
+	require.NoError(t, runtime.GetRandom(ic1))
+	require.NoError(t, runtime.GetRandom(ic2))
+	require.NotEqual(t, ic1.VM.Estack().Pop().BigInt(), ic2.VM.Estack().Pop().BigInt())
+
+	require.NoError(t, runtime.GetRandom(ic1))
+	require.NoError(t, runtime.GetRandom(ic2))
+	require.NotEqual(t, ic1.VM.Estack().Pop().BigInt(), ic2.VM.Estack().Pop().BigInt())
+}
+
+func getSharpTestTx(sender util.Uint160) *transaction.Transaction {
+	tx := transaction.New([]byte{byte(opcode.PUSH2)}, 0)
+	tx.Nonce = 0
+	tx.Signers = append(tx.Signers, transaction.Signer{
+		Account: sender,
+		Scopes:  transaction.CalledByEntry,
+	})
+	tx.Scripts = append(tx.Scripts, transaction.Witness{})
+	return tx
+}
+
+func getSharpTestGenesis(t *testing.T) *block.Block {
+	const configPath = "../../config"
+
+	cfg, err := config.Load(configPath, netmode.MainNet)
+	require.NoError(t, err)
+	b, err := createGenesisBlock(cfg.ProtocolConfiguration)
+	require.NoError(t, err)
+	return b
+}
+
 func TestContractCreateAccount(t *testing.T) {
 	v, ic, _ := createVM(t)
 	t.Run("Good", func(t *testing.T) {

pkg/core/interops.go

@@ -52,6 +52,7 @@ var systemInterops = []interop.Function{
 	{Name: interopnames.SystemRuntimeGetInvocationCounter, Func: runtime.GetInvocationCounter, Price: 1 << 4},
 	{Name: interopnames.SystemRuntimeGetNetwork, Func: runtime.GetNetwork, Price: 1 << 3},
 	{Name: interopnames.SystemRuntimeGetNotifications, Func: runtime.GetNotifications, Price: 1 << 8, ParamCount: 1},
+	{Name: interopnames.SystemRuntimeGetRandom, Func: runtime.GetRandom, Price: 1 << 4},
 	{Name: interopnames.SystemRuntimeGetScriptContainer, Func: engineGetScriptContainer, Price: 1 << 3},
 	{Name: interopnames.SystemRuntimeGetTime, Func: runtime.GetTime, Price: 1 << 3, RequiredFlags: callflag.ReadStates},
 	{Name: interopnames.SystemRuntimeGetTrigger, Func: runtime.GetTrigger, Price: 1 << 3},

pkg/core/native/ledger.go

@@ -200,6 +200,7 @@ func BlockToStackItem(b *block.Block) stackitem.Item {
 		stackitem.NewByteArray(b.PrevHash.BytesBE()),
 		stackitem.NewByteArray(b.MerkleRoot.BytesBE()),
 		stackitem.NewBigInteger(big.NewInt(int64(b.Timestamp))),
+		stackitem.NewBigInteger(new(big.Int).SetUint64(b.Nonce)),
 		stackitem.NewBigInteger(big.NewInt(int64(b.Index))),
 		stackitem.NewByteArray(b.NextConsensus.BytesBE()),
 		stackitem.NewBigInteger(big.NewInt(int64(len(b.Transactions)))),

pkg/core/native_designate_test.go

@@ -122,7 +122,7 @@ func TestDesignate_DesignateAsRole(t *testing.T) {
 	bc := newTestChain(t)
 
 	des := bc.contracts.Designate
-	tx := transaction.New([]byte{}, 0)
+	tx := transaction.New([]byte{byte(opcode.PUSH1)}, 0)
 	bl := block.New(bc.config.StateRootInHeader)
 	bl.Index = bc.BlockHeight() + 1
 	ic := bc.newInteropContext(trigger.OnPersist, bc.dao, bl, tx)

pkg/core/native_ledger_test.go

@@ -148,15 +148,16 @@ func TestLedgerGetBlock(t *testing.T) {
 
 		actual, ok := value.([]stackitem.Item)
 		require.True(t, ok)
-		require.Equal(t, 8, len(actual))
+		require.Equal(t, 9, len(actual))
 		require.Equal(t, b.Hash().BytesBE(), actual[0].Value().([]byte))
 		require.Equal(t, int64(b.Version), actual[1].Value().(*big.Int).Int64())
 		require.Equal(t, b.PrevHash.BytesBE(), actual[2].Value().([]byte))
 		require.Equal(t, b.MerkleRoot.BytesBE(), actual[3].Value().([]byte))
 		require.Equal(t, int64(b.Timestamp), actual[4].Value().(*big.Int).Int64())
-		require.Equal(t, int64(b.Index), actual[5].Value().(*big.Int).Int64())
+		require.Equal(t, int64(b.Nonce), actual[5].Value().(*big.Int).Int64())
-		require.Equal(t, b.NextConsensus.BytesBE(), actual[6].Value().([]byte))
+		require.Equal(t, int64(b.Index), actual[6].Value().(*big.Int).Int64())
-		require.Equal(t, int64(len(b.Transactions)), actual[7].Value().(*big.Int).Int64())
+		require.Equal(t, b.NextConsensus.BytesBE(), actual[7].Value().([]byte))
+		require.Equal(t, int64(len(b.Transactions)), actual[8].Value().(*big.Int).Int64())
 	})
 	t.Run("bad hash", func(t *testing.T) {
 		res, err := invokeContractMethod(chain, 100000000, ledger, "getBlock", bhash.BytesLE())

pkg/core/native_neo_test.go

@@ -205,7 +205,7 @@ func TestNEO_CalculateBonus(t *testing.T) {
 	bc := newTestChain(t)
 
 	neo := bc.contracts.NEO
-	tx := transaction.New([]byte{}, 0)
+	tx := transaction.New([]byte{byte(opcode.PUSH1)}, 0)
 	ic := bc.newInteropContext(trigger.Application, bc.dao, nil, tx)
 	ic.SpawnVM()
 	ic.VM.LoadScript([]byte{byte(opcode.RET)})

pkg/core/native_oracle_test.go

@@ -147,7 +147,7 @@ func TestOracle_Request(t *testing.T) {
 	require.NoError(t, err)
 	pub := priv.PublicKey()
 
-	tx := transaction.New([]byte{}, 0)
+	tx := transaction.New([]byte{byte(opcode.PUSH1)}, 0)
 	bl := block.New(bc.config.StateRootInHeader)
 	bl.Index = bc.BlockHeight() + 1
 	setSigner(tx, testchain.CommitteeScriptHash())

pkg/core/test_data/block_1.json

@@ -1,13 +1,14 @@
 {
-    "raw": "0000000052191c07e42694c3b5cf52cac55f9812ea0dbc1778ced9eca81a4695ac682bfda919f78252fb966091b920c013e6b90da9d3855c1f423b5fff57b0b89ae84c0a2a498268770100000001000004e0a3c55cad72028fb5901748b19a27be21f6540401fd4a010c4019c88570296ce982f9bc6d2cd6b951756b04b440182e39147af3662855f909d392861bba73f4eb0b059f7f1750473bb4c221c11c73c4abf4072a6e89eb491a020c40e18599ea4d48bcb5761bad306b563f22f58c65f0dada00c203e0326bc96743eaee363b3007af4a1fdbba9ce67a23ba384b7df05f963b814b2429c9e41c50ea720c4019afbb0bcfa9f84e0340a64c004c65e23ff0d9f00ba6980183b739eb5ba63c5d61e7801ec5d23dcd2af510ee5c91b75d6b4feccd8f3e51e6f21b06bb3c0b692d0c40e0356d3118ffce07c0911d75ff97ffb4b4f3b776b93209d7691bd3ca0a0c9de2812142ef1cc1b4afe10d15d58d1d65c241a31501e50bacfd4f97962ee36fa3890c40036976717446f9ea3958845e2833c23c2a7b611331b0d50ee97de23dedf7a14e6efc64e257588c44493859cc8dc3da7755cf445c76be4c780fdeb291ba2766a8fdfd00150c2103009b7540e10f2562e5fd8fac9eaec25166a58b26e412348ff5a86927bfac22a20c21030205e9cefaea5a1dfc580af20c8d5aa2468bb0148f1a5e4605fc622c80e604ba0c210214baf0ceea3a66f17e7e1e839ea25fd8bed6cd82e6bb6e68250189065f44ff010c21023e9b32ea89b94d066e649b124fd50e396ee91369e8e2a6ae1b11c170d022256d0c2103408dcd416396f64783ac587ea1e1593c57d9fea880c8a6a1920e92a2594778060c2102a7834be9b32e2981d157cb5bbd3acb42cfd11ea5c3b10224d7a44e98c5910f1b0c2102ba2c70f5996f357a43198705859fae2cfea13e1172962800772b3d588a9d4abd170b41138defaf01004883fd4bb494980000000000983c8500000000007f17000002574d3c03df4a9b2772af08e4b296721009b7a6fd00e0a3c55cad72028fb5901748b19a27be21f6540401005f0b0300e40b54020000000c14f6ed986d8f6478b647ddae2083069ca4cfdb23400c14e0a3c55cad72028fb5901748b19a27be21f6540414c01f0c087472616e736665720c1428b3adab7269f9c2181db3cb741ebf551930e27041627d5b523902420c4001a8eb709edc764591af846e7bfba10a908577ad57365b590593a4f81ea5a86ac046b9e1ac69ed39ec30cb97c2c7ef538f00fc105027758454b2bede94cd3bef290c2102a7834be9b32e2981d157cb5bbd3acb42cfd11ea5c3b10224d7a44e98c5910f1b0b4195440d78fd4a010c40e254613ac2b3bd756d907932b15278e62b094a3eab90eff5aa2c56b598161852775cbd76076ac01fe48afdf897077845c415b3ca7884668e94396719b6db66e30c40a7427e3cd5238e3a5d4ab3b4361a37872af3dd8be336b9f1f19f0bd4972edb879b781d0c45dc684da7b220b8d399bea1948c1fe924daa5edbb8df117894130530c4099a1516792326083e50d99d4a97425b31c429136949688081619084403e0065c6ba576a0a4589d9115e3cf71c843c52e476b62ff4349c73838b2c2cb39f6c43d0c409ec13c315e485503ce8d1c821b0ed41ce3f39e914352973ec8ee1fefd024e106e709610bf9d500f56ec0e72c09e427cd8fd0a68bd9ef3b21176e8afd80aaef710c4022d33dc3217be4bb22144d98552ef35f23b1f10367924b4c6bea71d6c280cf2a2fff15f3c9f235cd5620bf310709aa53d6403e6d2fe6d07f13d83803a2c13a7ffdfd00150c2103009b7540e10f2562e5fd8fac9eaec25166a58b26e412348ff5a86927bfac22a20c21030205e9cefaea5a1dfc580af20c8d5aa2468bb0148f1a5e4605fc622c80e604ba0c210214baf0ceea3a66f17e7e1e839ea25fd8bed6cd82e6bb6e68250189065f44ff010c21023e9b32ea89b94d066e649b124fd50e396ee91369e8e2a6ae1b11c170d022256d0c2103408dcd416396f64783ac587ea1e1593c57d9fea880c8a6a1920e92a2594778060c2102a7834be9b32e2981d157cb5bbd3acb42cfd11ea5c3b10224d7a44e98c5910f1b0c2102ba2c70f5996f357a43198705859fae2cfea13e1172962800772b3d588a9d4abd170b41138defaf",
+    "raw": "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",
     "size" : 1564,
     "index" : 256,
     "primary" : 4,
+    "nonce": "0x1234567890123456",
     "time" : 1612366104874,
     "confirmations" : 10883,
     "previousblockhash" : "0xfd2b68ac95461aa8ecd9ce7817bc0dea12985fc5ca52cfb5c39426e4071c1952",
     "nextconsensus" : "NgPkjjLTNcQad99iRYeXRUuowE4gxLAnDL",
-    "hash" : "0x53b3d970ccb235bef785633817f2a947f63bac1f7fa23103f7d080a53f0361f4",
+    "hash" : "0x79cdba60b0197e3e3e7e8b8e42a56fd3a7c1530561da04a030c8201880b11795",
     "witnesses" : [
         {
             "verification" : "FQwhAwCbdUDhDyVi5f2PrJ6uwlFmpYsm5BI0j/WoaSe/rCKiDCEDAgXpzvrqWh38WAryDI1aokaLsBSPGl5GBfxiLIDmBLoMIQIUuvDO6jpm8X5+HoOeol/YvtbNgua7bmglAYkGX0T/AQwhAj6bMuqJuU0GbmSbEk/VDjlu6RNp6OKmrhsRwXDQIiVtDCEDQI3NQWOW9keDrFh+oeFZPFfZ/qiAyKahkg6SollHeAYMIQKng0vpsy4pgdFXy1u9OstCz9EepcOxAiTXpE6YxZEPGwwhAroscPWZbzV6QxmHBYWfriz+oT4RcpYoAHcrPViKnUq9FwtBE43vrw==",

pkg/core/util.go

@@ -30,6 +30,7 @@ func createGenesisBlock(cfg config.ProtocolConfiguration) (*block.Block, error)
 		Version:       0,
 		PrevHash:      util.Uint256{},
 		Timestamp:     uint64(time.Date(2016, 7, 15, 15, 8, 21, 0, time.UTC).Unix()) * 1000, // Milliseconds.
+		Nonce:         2083236893,
 		Index:         0,
 		NextConsensus: nextConsensus,
 		Script: transaction.Witness{

pkg/core/util_test.go

@@ -17,7 +17,7 @@ func TestGenesisBlockMainNet(t *testing.T) {
 	block, err := createGenesisBlock(cfg.ProtocolConfiguration)
 	require.NoError(t, err)
 
-	expect := "c3db4ba50ede4f9e749bd97e1499953ae17e65a415c6bf9e38c01cf92b03d156"
+	expect := "1f4d1defa46faa5e7b9b8d3f79a06bec777d7c26c4aa5f6f5899a291daa87c15"
 	assert.Equal(t, expect, block.Hash().StringLE())
 }
 

pkg/encoding/bigint/bigint.go

@@ -4,6 +4,8 @@ import (
 	"encoding/binary"
 	"math/big"
 	"math/bits"
+
+	"github.com/nspcc-dev/neo-go/pkg/util"
 )
 
 const (
@@ -13,6 +15,12 @@ const (
 	wordSizeBytes = bits.UintSize / 8
 )
 
+// FromBytesUnsigned converts data in little-endian format to an unsigned integer.
+func FromBytesUnsigned(data []byte) *big.Int {
+	bs := util.ArrayReverse(data)
+	return new(big.Int).SetBytes(bs)
+}
+
 // FromBytes converts data in little-endian format to
 // an integer.
 func FromBytes(data []byte) *big.Int {

pkg/encoding/bigint/bigint_test.go

@@ -122,6 +122,31 @@ func TestBytesToInt(t *testing.T) {
 	})
 }
 
+var unsignedCases = []struct {
+	number int64
+	buf    []byte
+}{
+	{0xff00000000, []byte{0x00, 0x00, 0x00, 0x00, 0xff}},
+	{0xfd00000000, []byte{0x00, 0x00, 0x00, 0x00, 0xfd}},
+	{0x8000000000, []byte{0x00, 0x00, 0x00, 0x00, 0x80}},
+	{0xff0200000000, []byte{0x00, 0x00, 0x00, 0x00, 0x02, 0xff}},
+	{0xff0100000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0xff}},
+	{0xff0100000000, []byte{0x00, 0x00, 0x00, 0x00, 0x01, 0xff, 0x00}},
+}
+
+func TestBytesToUnsigned(t *testing.T) {
+	for _, tc := range testCases {
+		if tc.number > 0 {
+			num := FromBytesUnsigned(tc.buf)
+			assert.Equal(t, tc.number, num.Int64(), "expected %x, got %x", tc.number, num.Int64())
+		}
+	}
+	for _, tc := range unsignedCases {
+		num := FromBytesUnsigned(tc.buf)
+		assert.Equal(t, tc.number, num.Int64(), "expected %x, got %x", tc.number, num.Int64())
+	}
+}
+
 func TestEquivalentRepresentations(t *testing.T) {
 	for _, tc := range testCases {
 		buf := tc.buf

pkg/interop/native/ledger/block.go

@@ -19,6 +19,8 @@ type Block struct {
 	MerkleRoot interop.Hash256
 	// Timestamp represents millisecond-precision block timestamp.
 	Timestamp int
+	// Nonce represents block nonce.
+	Nonce int
 	// Index represents the height of the block.
 	Index int
 	// NextConsensus represents contract address of the next miner (160 bit BE

pkg/interop/runtime/runtime.go

@@ -96,3 +96,10 @@ func GetInvocationCounter() int {
 func Platform() []byte {
 	return neogointernal.Syscall0("System.Runtime.Platform").([]byte)
 }
+
+// GetRandom returns pseudo-random number which depends on block nonce and tx hash.
+// Each invocation will return a different number. This function uses
+// `System.Runtime.GetRandom` syscall.
+func GetRandom() int {
+	return neogointernal.Syscall0("System.Runtime.GetRandom").(int)
+}

pkg/rpc/client/rpc_test.go

@@ -48,17 +48,17 @@ type rpcClientTestCase struct {
 	check          func(t *testing.T, c *Client, result interface{})
 }
 
-const base64B1 = "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"
+const base64B1 = "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"
 
-const base64TxMoveNeo = "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"
+const base64TxMoveNeo = "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"
 
-const b1Verbose = `{"size":1430,"nextblockhash":"0xe03cb7e00a1e04b75f9acd56f22af5f15877a18f4a1cf69991319c4fba0b2fee","confirmations":10,"hash":"0x81a439175d3bdd8961b6223a9b6f6d234f996824c5cfce6af17e6fc14cd84355","version":0,"previousblockhash":"0x5b60644c6c6f58faca72c70689d7ed1f40c2e795772bd0de5a88e983ad55080c","merkleroot":"0xb12ae5aeb0335e8a62eb120aa91ecbc5629bc55dadd62fcb7f749818bd238cfd","time":1616059782001,"index":1,"nextconsensus":"NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6","primary":0,"witnesses":[{"invocation":"DEBR+fo+7/LGVhy4bPAztHNpwH3P1gbsnvsNH+P01+s1HuV5ZR3SpOqeqIPUf1XJ2PjTWyZVadOD9cCKyNlMWlP6DEABPcRuMLzsZvlQR74+/HcA/fWUl4i5AvWApybpJ8kExoeifaDV0BqHfGspeuPecZHKm9ZMoJURdcMXMQvdmd2zDED94bGb8NR17WNZu+L5q8t0h3RUfauhPKolJwtuWjnG1FEebS4p/o05uXpw0kudKNy6as5BsxWCu4NvtYho6XQT","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl"}],"tx":[{"hash":"0xf5fbd303799f24ba247529d7544d4276cca54ea79f4b98095f2b0557313c5275","size":488,"version":0,"nonce":2,"sender":"NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6","sysfee":"11000000","netfee":"4421900","validuntilblock":1200,"attributes":[],"signers":[{"account":"0xffc7a658923a0bb92e6abab09800f389c179eede","scopes":"CalledByEntry"}],"script":"CwIY3fUFDBRVVC1T7Q9VRvrUTW6ZkShnAi/OXgwU3u55wYnzAJiwumouuQs6klimx/8UwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQ==","witnesses":[{"invocation":"DEBMibb/TMzF2Iztec98rvVxXh93R6UBnBztgf7RK3chaY8phIxh+J1f3GAtz3zAuLwiSn1wSans9RPKqgepiauoDEBvHFZj5u3aZ7UkfylMc0wh9ydIuvtlVb3Y/6OOn8HN3RCs7VLLgnaT33Rn1gWByLQBzAldjrJnDfxDSGqfSmjfDECEMpyZHe5lfkSBzlPoP9jC22fDS+7TUt7Bkx6ZZf5aDu09IFrWzPitxkvz4SrAygCdJdzMkBXYZPUatkO828FM","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl"}]},{"hash":"0xfe60f7f4c720a7b0fde52f285ca173a3493bbb15eae9f5c44c1f71b493d5693c","size":492,"version":0,"nonce":3,"sender":"NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6","sysfee":"11000000","netfee":"4425900","validuntilblock":1200,"attributes":[],"signers":[{"account":"0xffc7a658923a0bb92e6abab09800f389c179eede","scopes":"CalledByEntry"}],"script":"CwMA6HZIFwAAAAwUVVQtU+0PVUb61E1umZEoZwIvzl4MFN7uecGJ8wCYsLpqLrkLOpJYpsf/FMAfDAh0cmFuc2ZlcgwUz3bii9AGLEpHjuNVYQETGfPPpNJBYn1bUjk=","witnesses":[{"invocation":"DEDUTymqNCsQOxQvsHZT67aH3kmvrK85sIdtaJ/q1HHpyk2rLtUUn/kDlPpbk0sshkEP2izllCr6tEiA6WJA5ZGLDEDKzE8svrBWwRMlmba9xVDdkEfsgdrzbCNCjIoauFAf6vKAUX9OZUfoTmgQ7P9uxDC52TrQJYkpysXJfN9eUrkoDECMfTD0i3ZOVrHXG/dPnGy1pKX2V7Z/JgNr6yYPBH7K2eYZGRI2fehawd1LwHsDVPM/vpbcOLGfY0UWn3+PcPdy","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl"}]}]}`
+const b1Verbose = `{"size":1438,"nextblockhash":"0x34c20650683940a7af1881c2798e83acf9bf98aa226025af6c1d32b5530cc900","confirmations":15,"hash":"0x88c1cbf68695f73fb7b7d185c0037ffebdf032327488ebe65e0533d269e7de9b","version":0,"previousblockhash":"0x0f8fb4e17d2ab9f3097af75ca7fd16064160fb8043db94909e00dd4e257b9dc4","merkleroot":"0x2855f471048a5f0c9c60c10592f8997007aa3e52815d1b8c2c2f57e5e340d5f6","time":1626251469001,"nonce":"0","index":1,"nextconsensus":"NVTiAjNgagDkTr5HTzDmQP9kPwPHN5BgVq","primary":0,"witnesses":[{"invocation":"DEBg0hpK90iZlB4ZSCG7BOr7BsvPXGDax360lvqKeNFuzaGI1RYNH50/dhQLxocy90JdsIOyodd1sOJGEjZIt7ztDEAHc2avJzz6tK+FOQMIZO/FEEikJdLJX0+iZXFcsmDRpB7lo2wWMSQbcoTXNg7leuR0VeDsKJ+YdvCuTG5WbiqWDECa6Yjj+bK4te5KR5jdLF5kLt03csyozZcd/X7NPt89IsX01zpX8ec3e+B2qySJIOhEf3cK0i+5U5wyXiFcRI8x","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEGe0Nw6"}],"tx":[{"hash":"0xf01080c50f3198f5a539c4a06d024f1b8bdc2a360a215fa7e2488f79a56d501a","size":488,"version":0,"nonce":2,"sender":"NVTiAjNgagDkTr5HTzDmQP9kPwPHN5BgVq","sysfee":"11000000","netfee":"4421900","validuntilblock":1200,"attributes":[],"signers":[{"account":"0x3f223f6da778e805d1b9b479906c0e8c1ee8b968","scopes":"CalledByEntry"}],"script":"CwIY3fUFDBTunqIsJ+NL0BSPxBCOCPdOj1BIsgwUaLnoHowObJB5tLnRBeh4p20/Ij8UwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQ==","witnesses":[{"invocation":"DEC8InWg8rQHWjklRojobu7kn4r0xZY2xWYs15ggVX4PQyEHpNTU6vZHT2TXRdPXAOKHhgWAttO0oTvo+9VZAjIVDEBF0qvBMlvmYJIYLqSoCjhBykcSN78UXrBjO5BKL8BpHtejWCld1VT6Z7nYrEBLgySD6HeMcp/fa6vqHzU220e/DECXtm5AA1jy9GFA7t8U6a+1uPrQFk4Ufp0UyXsun0PvN0NdhrHc37xm8k9Z0dB85V/7WLtkMaLLyjVNVIKImC76","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEGe0Nw6"}]},{"hash":"0xced32af656e144f6be5d7172ed37747831456cb3eeaac4ee964d0b479b45d3a8","size":492,"version":0,"nonce":3,"sender":"NVTiAjNgagDkTr5HTzDmQP9kPwPHN5BgVq","sysfee":"11000000","netfee":"4425900","validuntilblock":1200,"attributes":[],"signers":[{"account":"0x3f223f6da778e805d1b9b479906c0e8c1ee8b968","scopes":"CalledByEntry"}],"script":"CwMA6HZIFwAAAAwU7p6iLCfjS9AUj8QQjgj3To9QSLIMFGi56B6MDmyQebS50QXoeKdtPyI/FMAfDAh0cmFuc2ZlcgwUz3bii9AGLEpHjuNVYQETGfPPpNJBYn1bUjk=","witnesses":[{"invocation":"DEDgj/SQT84EbWRZ4ZKhyjJTuLwVPDgVlQO3CGmgacItvni9nziJvTxziZXBG/0Hqkv68ddS1EH94RtWlqLQWRCjDEAWZUeSQ8KskILSvoWPN3836xpg/TYzOGiFVoePv91CFnap4fRFxdbporBgnZ/sUsjFZ74U8f+r0riqtvkdMMyGDEDx5iho79oDVYOCwIDH3K1UeDjAT6Hq9YsD9SCfJSE1rRsAdJPh2StYxdh9Jah1lwGbW0U+Wu6zpbVFf5CS6fFc","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEGe0Nw6"}]}]}`
 
-const base64Header1 = "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"
+const base64Header1 = "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"
 
-const header1Verbose = `{"hash":"0x81a439175d3bdd8961b6223a9b6f6d234f996824c5cfce6af17e6fc14cd84355","size":449,"version":0,"previousblockhash":"0x5b60644c6c6f58faca72c70689d7ed1f40c2e795772bd0de5a88e983ad55080c","merkleroot":"0xb12ae5aeb0335e8a62eb120aa91ecbc5629bc55dadd62fcb7f749818bd238cfd","time":1616059782001,"index":1,"nextconsensus":"NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6","witnesses":[{"invocation":"DEBR+fo+7/LGVhy4bPAztHNpwH3P1gbsnvsNH+P01+s1HuV5ZR3SpOqeqIPUf1XJ2PjTWyZVadOD9cCKyNlMWlP6DEABPcRuMLzsZvlQR74+/HcA/fWUl4i5AvWApybpJ8kExoeifaDV0BqHfGspeuPecZHKm9ZMoJURdcMXMQvdmd2zDED94bGb8NR17WNZu+L5q8t0h3RUfauhPKolJwtuWjnG1FEebS4p/o05uXpw0kudKNy6as5BsxWCu4NvtYho6XQT","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl"}],"confirmations":10,"nextblockhash":"0xe03cb7e00a1e04b75f9acd56f22af5f15877a18f4a1cf69991319c4fba0b2fee"}`
+const header1Verbose = `{"hash":"0x88c1cbf68695f73fb7b7d185c0037ffebdf032327488ebe65e0533d269e7de9b","size":457,"version":0,"previousblockhash":"0x0f8fb4e17d2ab9f3097af75ca7fd16064160fb8043db94909e00dd4e257b9dc4","merkleroot":"0x2855f471048a5f0c9c60c10592f8997007aa3e52815d1b8c2c2f57e5e340d5f6","time":1626251469001,"index":1,"nextconsensus":"NVTiAjNgagDkTr5HTzDmQP9kPwPHN5BgVq","witnesses":[{"invocation":"DEBg0hpK90iZlB4ZSCG7BOr7BsvPXGDax360lvqKeNFuzaGI1RYNH50/dhQLxocy90JdsIOyodd1sOJGEjZIt7ztDEAHc2avJzz6tK+FOQMIZO/FEEikJdLJX0+iZXFcsmDRpB7lo2wWMSQbcoTXNg7leuR0VeDsKJ+YdvCuTG5WbiqWDECa6Yjj+bK4te5KR5jdLF5kLt03csyozZcd/X7NPt89IsX01zpX8ec3e+B2qySJIOhEf3cK0i+5U5wyXiFcRI8x","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEGe0Nw6"}],"confirmations":15,"nextblockhash":"0x34c20650683940a7af1881c2798e83acf9bf98aa226025af6c1d32b5530cc900"}`
 
-const txMoveNeoVerbose = `{"blockhash":"0x81a439175d3bdd8961b6223a9b6f6d234f996824c5cfce6af17e6fc14cd84355","confirmations":10,"blocktime":1616059782001,"vmstate":"HALT","hash":"0xf5fbd303799f24ba247529d7544d4276cca54ea79f4b98095f2b0557313c5275","size":488,"version":0,"nonce":2,"sender":"NgEisvCqr2h8wpRxQb7bVPWUZdbVCY8Uo6","sysfee":"11000000","netfee":"4421900","validuntilblock":1200,"attributes":[],"signers":[{"account":"0xffc7a658923a0bb92e6abab09800f389c179eede","scopes":"CalledByEntry"}],"script":"CwIY3fUFDBRVVC1T7Q9VRvrUTW6ZkShnAi/OXgwU3u55wYnzAJiwumouuQs6klimx/8UwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQ==","witnesses":[{"invocation":"DEBMibb/TMzF2Iztec98rvVxXh93R6UBnBztgf7RK3chaY8phIxh+J1f3GAtz3zAuLwiSn1wSans9RPKqgepiauoDEBvHFZj5u3aZ7UkfylMc0wh9ydIuvtlVb3Y/6OOn8HN3RCs7VLLgnaT33Rn1gWByLQBzAldjrJnDfxDSGqfSmjfDECEMpyZHe5lfkSBzlPoP9jC22fDS+7TUt7Bkx6ZZf5aDu09IFrWzPitxkvz4SrAygCdJdzMkBXYZPUatkO828FM","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEF7zmyl"}]}`
+const txMoveNeoVerbose = `{"blockhash":"0x88c1cbf68695f73fb7b7d185c0037ffebdf032327488ebe65e0533d269e7de9b","confirmations":15,"blocktime":1626251469001,"vmstate":"HALT","hash":"0xf01080c50f3198f5a539c4a06d024f1b8bdc2a360a215fa7e2488f79a56d501a","size":488,"version":0,"nonce":2,"sender":"NVTiAjNgagDkTr5HTzDmQP9kPwPHN5BgVq","sysfee":"11000000","netfee":"4421900","validuntilblock":1200,"attributes":[],"signers":[{"account":"0x3f223f6da778e805d1b9b479906c0e8c1ee8b968","scopes":"CalledByEntry"}],"script":"CwIY3fUFDBTunqIsJ+NL0BSPxBCOCPdOj1BIsgwUaLnoHowObJB5tLnRBeh4p20/Ij8UwB8MCHRyYW5zZmVyDBT1Y+pAvCg9TQ4FxI6jBbPyoHNA70FifVtSOQ==","witnesses":[{"invocation":"DEC8InWg8rQHWjklRojobu7kn4r0xZY2xWYs15ggVX4PQyEHpNTU6vZHT2TXRdPXAOKHhgWAttO0oTvo+9VZAjIVDEBF0qvBMlvmYJIYLqSoCjhBykcSN78UXrBjO5BKL8BpHtejWCld1VT6Z7nYrEBLgySD6HeMcp/fa6vqHzU220e/DECXtm5AA1jy9GFA7t8U6a+1uPrQFk4Ufp0UyXsun0PvN0NdhrHc37xm8k9Z0dB85V/7WLtkMaLLyjVNVIKImC76","verification":"EwwhAhA6f33QFlWFl/eWDSfFFqQ5T9loueZRVetLAT5AQEBuDCECp7xV/oaE4BGXaNEEujB5W9zIZhnoZK3SYVZyPtGFzWIMIQKzYiv0AXvf4xfFiu1fTHU/IGt9uJYEb6fXdLvEv3+NwgwhA9kMB99j5pDOd5EuEKtRrMlEtmhgI3tgjE+PgwnnHuaZFEGe0Nw6"}]}`
 
 // getResultBlock1 returns data for block number 1 which is used by several tests.
 func getResultBlock1() *result.Block {
@@ -71,16 +71,16 @@ func getResultBlock1() *result.Block {
 	if err != nil {
 		panic(err)
 	}
-	b2Hash, err := util.Uint256DecodeStringLE("e03cb7e00a1e04b75f9acd56f22af5f15877a18f4a1cf69991319c4fba0b2fee")
+	b2Hash, err := util.Uint256DecodeStringLE("34c20650683940a7af1881c2798e83acf9bf98aa226025af6c1d32b5530cc900")
 	if err != nil {
 		panic(err)
 	}
 	return &result.Block{
 		Block: *b,
 		BlockMetadata: result.BlockMetadata{
-			Size:          1430,
+			Size:          1438,
 			NextBlockHash: &b2Hash,
-			Confirmations: 10,
+			Confirmations: 15,
 		},
 	}
 }
@@ -265,7 +265,7 @@ var rpcClientTestCases = map[string][]rpcClientTestCase{
 				b := getResultBlock1()
 				return &result.Header{
 					Hash:          b.Hash(),
-					Size:          449,
+					Size:          457,
 					Version:       b.Version,
 					NextBlockHash: b.NextBlockHash,
 					PrevBlockHash: b.PrevHash,

pkg/rpc/server/server_test.go

@@ -54,15 +54,15 @@ type rpcTestCase struct {
 	check  func(t *testing.T, e *executor, result interface{})
 }
 
-const testContractHash = "63cc6571e990dd3f345f699fc9c2a6e49edb89af"
+const testContractHash = "bb6a679438ce0fc6cb0ed1aa85ce83cf96cd3aeb"
-const deploymentTxHash = "9b0c586eb07f8c9b6fc46b05c78d87651d50af8e1f44478827848d826f8cd174"
+const deploymentTxHash = "1f8792e07f223e5e83f86cda3327cbe78c15ea382a1c350101c9119747682ce2"
-const genesisBlockHash = "73fe50b5564d57118296cbab0a78fe7cb11c97b7699d07a9a21fab60e79bb8fc"
+const genesisBlockHash = "0f8fb4e17d2ab9f3097af75ca7fd16064160fb8043db94909e00dd4e257b9dc4"
 
-const verifyContractHash = "c50082e0d8364d61ce6933bd24027a3363474dce"
+const verifyContractHash = "f68822e4ecd93de334bdf1f7c409eda3431bcbd0"
-const verifyContractAVM = "VwMAQS1RCDAhcAwU7p6iLCfjS9AUj8QQjgj3To9QSLLbMHFoE87bKGnbKJdA"
+const verifyContractAVM = "VwIAQS1RCDAhcAwU7p6iLCfjS9AUj8QQjgj3To9QSLLbMHFoE87bKGnbKJdA"
-const verifyWithArgsContractHash = "8744ffdd07af8e9f18ab90685c8c2ebfd37c6415"
+const verifyWithArgsContractHash = "947c780f45b2a3d32e946355ee5cb57faf4decb7"
-const invokescriptContractAVM = "VwcADBQBDAMOBQYMDQIODw0DDgcJAAAAANswcGhB+CfsjCGqJgQRQAwUDQ8DAgkAAgEDBwMEBQIBAA4GDAnbMHFpQfgn7IwhqiYEEkATQA=="
+const invokescriptContractAVM = "VwIADBQBDAMOBQYMDQIODw0DDgcJAAAAANswcGhB+CfsjCGqJgQRQAwUDQ8DAgkAAgEDBwMEBQIBAA4GDAnbMHFpQfgn7IwhqiYEEkATQA=="
-const nameServiceContractHash = "60d78a0fc048399438c3764f8a67d0fc86d6e0e6"
+const nameServiceContractHash = "66206eb850818ec862a9332e0da10b9b7826cb0b"
 
 var rpcTestCases = map[string][]rpcTestCase{
 	"getapplicationlog": {
@@ -1643,7 +1643,7 @@ func checkNep17Balances(t *testing.T, e *executor, acc interface{}) {
 			},
 			{
 				Asset:       e.chain.UtilityTokenHash(),
-				Amount:      "57941360260",
+				Amount:      "57941227260",
 				LastUpdated: 15,
 			}},
 		Address: testchain.PrivateKeyByID(0).GetScriptHash().StringLE(),