diff --git a/cli/nep17_test.go b/cli/nep17_test.go
index 3341b35a2..3994b318a 100644
--- a/cli/nep17_test.go
+++ b/cli/nep17_test.go
@@ -85,7 +85,7 @@ func TestNEP17Balance(t *testing.T) {
 		}
 
 		e.checkNextLine(t, "^\\s*$")
-		addr4, err := address.StringToUint160("NbxpLNCCSWZ9BkYpCYT8NfN1uoxq9Rfbrn") // deployed verify.go contract
+		addr4, err := address.StringToUint160("NWTDxsHVde5qSjRkTRUAg6i8xC3JSWEC9k") // deployed verify.go contract
 		require.NoError(t, err)
 		e.checkNextLine(t, "^Account "+address.Uint160ToString(addr4))
 		e.checkEOF(t)
diff --git a/cli/testdata/wallet1_solo.json b/cli/testdata/wallet1_solo.json
index 764d94cfa..050459eb0 100644
--- a/cli/testdata/wallet1_solo.json
+++ b/cli/testdata/wallet1_solo.json
@@ -61,7 +61,7 @@
       "isdefault": false
     },
     {
-      "address" : "NbxpLNCCSWZ9BkYpCYT8NfN1uoxq9Rfbrn",
+      "address" : "NWTDxsHVde5qSjRkTRUAg6i8xC3JSWEC9k",
       "key" : "6PYXDze5Ak4HahYKygcNzk6n65ACjWdDCYLSuKgA5KG8vyMJSFboUNSiPD",
       "label" : "",
       "contract" : {
diff --git a/pkg/compiler/binary_expr_test.go b/pkg/compiler/binary_expr_test.go
index 22bafd8a7..0afb2bcc2 100644
--- a/pkg/compiler/binary_expr_test.go
+++ b/pkg/compiler/binary_expr_test.go
@@ -361,3 +361,15 @@ func TestShortCircuit(t *testing.T) {
 		eval(t, src, big.NewInt(17))
 	})
 }
+
+func TestEmitBoolean(t *testing.T) {
+	src := `package foo
+	func Main() int {
+		a := true
+		if (a == true) == true {
+			return 42
+		}
+		return 11
+	}`
+	eval(t, src, big.NewInt(42))
+}
diff --git a/pkg/compiler/for_test.go b/pkg/compiler/for_test.go
index f2995cc3c..ab2a29fbe 100644
--- a/pkg/compiler/for_test.go
+++ b/pkg/compiler/for_test.go
@@ -209,7 +209,7 @@ func TestBoolAssign(t *testing.T) {
 			return x
 		}
 	`
-	eval(t, src, big.NewInt(1))
+	eval(t, src, true)
 }
 
 func TestBoolCompare(t *testing.T) {
diff --git a/pkg/compiler/import_test.go b/pkg/compiler/import_test.go
index c72097a56..9080209f4 100644
--- a/pkg/compiler/import_test.go
+++ b/pkg/compiler/import_test.go
@@ -46,7 +46,7 @@ func TestMultipleDirFileImport(t *testing.T) {
 			return ok
 		}
 	`
-	eval(t, src, big.NewInt(1))
+	eval(t, src, true)
 }
 
 func TestImportNameSameAsOwn(t *testing.T) {
diff --git a/pkg/core/helper_test.go b/pkg/core/helper_test.go
index 40b64f9b5..389a1378b 100644
--- a/pkg/core/helper_test.go
+++ b/pkg/core/helper_test.go
@@ -304,6 +304,7 @@ func initBasicChain(t *testing.T, bc *Blockchain) {
 	t.Logf("native NEO hash: %v", neoHash)
 	t.Logf("native Policy hash: %v", policyHash)
 	t.Logf("native Notary hash: %v", notaryHash)
+	t.Logf("Block0 hash: %s", bc.GetHeaderHash(0).StringLE())
 
 	priv0 := testchain.PrivateKeyByID(0)
 	priv0ScriptHash := priv0.GetScriptHash()
diff --git a/pkg/rpc/server/server_test.go b/pkg/rpc/server/server_test.go
index c643aa790..9c90f3fdd 100644
--- a/pkg/rpc/server/server_test.go
+++ b/pkg/rpc/server/server_test.go
@@ -59,9 +59,9 @@ type rpcTestCase struct {
 	check  func(t *testing.T, e *executor, result interface{})
 }
 
-const testContractHash = "c6436aab21ebd15279b85af8d7b5808d38455b0a"
-const deploymentTxHash = "050e2189d7cd7b719d9c4bbc525d3edcd89ffedb28cc974862d17dda14377612"
-const genesisBlockHash = "41d1099030004d60f3b4b7ffe00bf184e84fac3a39ee7136c761e005f0186d93"
+const testContractHash = "500858b96054d3c302078882c30e76915aac1c83"
+const deploymentTxHash = "fbea49056332ecf1482568e24ed745151ed3fcacbb59afc22d9baff5346e6257"
+const genesisBlockHash = "0542f4350c6e236d0509bcd98188b0034bfbecc1a0c7fcdb8e4295310d468b70"
 
 const verifyContractHash = "03ffc0897543b9b709e0f8cab4a7682dae0ba943"
 const verifyContractAVM = "570300412d51083021700c14aa8acf859d4fe402b34e673f2156821796a488ebdb30716813cedb2869db289740"
@@ -1598,7 +1598,7 @@ func checkNep17Balances(t *testing.T, e *executor, acc interface{}) {
 			},
 			{
 				Asset:       e.chain.UtilityTokenHash(),
-				Amount:      "78994306100",
+				Amount:      "78994294100",
 				LastUpdated: 8,
 			}},
 		Address: testchain.PrivateKeyByID(0).GetScriptHash().StringLE(),
diff --git a/pkg/rpc/server/testdata/testblocks.acc b/pkg/rpc/server/testdata/testblocks.acc
index b7bdeaecc..6fc740d62 100644
Binary files a/pkg/rpc/server/testdata/testblocks.acc and b/pkg/rpc/server/testdata/testblocks.acc differ
diff --git a/pkg/rpc/server/testdata/verification_contract.go b/pkg/rpc/server/testdata/verification_contract.go
index 8ebad6985..03e9bb480 100644
--- a/pkg/rpc/server/testdata/verification_contract.go
+++ b/pkg/rpc/server/testdata/verification_contract.go
@@ -1,7 +1,6 @@
 package testdata
 
 import (
-	"github.com/nspcc-dev/neo-go/pkg/interop/convert"
 	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
 	"github.com/nspcc-dev/neo-go/pkg/interop/util"
 )
@@ -11,5 +10,5 @@ import (
 func Verify() bool {
 	tx := runtime.GetScriptContainer()
 	addr := util.FromAddress("NbTiM6h8r99kpRtb428XcsUk1TzKed2gTc")
-	return util.Equals(convert.ToByteArray(tx.Sender), convert.ToByteArray(addr))
+	return util.Equals(string(tx.Sender), string(addr))
 }
diff --git a/pkg/vm/emit/emit.go b/pkg/vm/emit/emit.go
index bee1b4c1a..31ea60697 100644
--- a/pkg/vm/emit/emit.go
+++ b/pkg/vm/emit/emit.go
@@ -33,9 +33,9 @@ func Opcodes(w *io.BinWriter, ops ...opcode.Opcode) {
 func Bool(w *io.BinWriter, ok bool) {
 	if ok {
 		Opcodes(w, opcode.PUSHT)
-		return
+	} else {
+		Opcodes(w, opcode.PUSHF)
 	}
-	Opcodes(w, opcode.PUSHF)
 	Instruction(w, opcode.CONVERT, []byte{byte(stackitem.BooleanT)})
 }
 
diff --git a/pkg/vm/emit/emit_test.go b/pkg/vm/emit/emit_test.go
index be2aad6d0..7d1fd9aa2 100644
--- a/pkg/vm/emit/emit_test.go
+++ b/pkg/vm/emit/emit_test.go
@@ -9,6 +9,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/encoding/bigint"
 	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
+	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )
@@ -151,15 +152,17 @@ func TestEmitArray(t *testing.T) {
 		assert.EqualValues(t, 2, res[1])
 		assert.EqualValues(t, []byte{0xCA, 0xFE}, res[2:4])
 		assert.EqualValues(t, opcode.PUSHT, res[4])
-		assert.EqualValues(t, opcode.PUSHDATA1, res[5])
-		assert.EqualValues(t, 3, res[6])
-		assert.EqualValues(t, []byte("str"), res[7:10])
-		assert.EqualValues(t, opcode.PUSH1, res[10])
-		assert.EqualValues(t, opcode.PUSHNULL, res[11])
-		assert.EqualValues(t, opcode.PUSH2, res[12])
-		assert.EqualValues(t, opcode.PUSH1, res[13])
+		assert.EqualValues(t, opcode.CONVERT, res[5])
+		assert.EqualValues(t, stackitem.BooleanT, res[6])
+		assert.EqualValues(t, opcode.PUSHDATA1, res[7])
+		assert.EqualValues(t, 3, res[8])
+		assert.EqualValues(t, []byte("str"), res[9:12])
+		assert.EqualValues(t, opcode.PUSH1, res[12])
+		assert.EqualValues(t, opcode.PUSHNULL, res[13])
 		assert.EqualValues(t, opcode.PUSH2, res[14])
-		assert.EqualValues(t, opcode.PACK, res[15])
+		assert.EqualValues(t, opcode.PUSH1, res[15])
+		assert.EqualValues(t, opcode.PUSH2, res[16])
+		assert.EqualValues(t, opcode.PACK, res[17])
 	})
 
 	t.Run("empty", func(t *testing.T) {
@@ -181,8 +184,12 @@ func TestEmitBool(t *testing.T) {
 	Bool(buf.BinWriter, true)
 	Bool(buf.BinWriter, false)
 	result := buf.Bytes()
-	assert.Equal(t, opcode.Opcode(result[0]), opcode.PUSH1)
-	assert.Equal(t, opcode.Opcode(result[1]), opcode.PUSH0)
+	assert.EqualValues(t, opcode.PUSH1, result[0])
+	assert.EqualValues(t, opcode.CONVERT, result[1])
+	assert.EqualValues(t, stackitem.BooleanT, result[2])
+	assert.EqualValues(t, opcode.PUSH0, result[3])
+	assert.EqualValues(t, opcode.CONVERT, result[4])
+	assert.EqualValues(t, stackitem.BooleanT, result[5])
 }
 
 func TestEmitOpcode(t *testing.T) {