diff --git a/cmd/neofs-adm/internal/modules/morph/balance.go b/cmd/neofs-adm/internal/modules/morph/balance.go
index fa56c4d4c4c..74ece05e0a9 100644
--- a/cmd/neofs-adm/internal/modules/morph/balance.go
+++ b/cmd/neofs-adm/internal/modules/morph/balance.go
@@ -11,14 +11,12 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
-	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/gas"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/rolemgmt"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/nspcc-dev/neo-go/pkg/util"
-	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/nspcc-dev/neo-go/pkg/vm/vmstate"
 	"github.com/nspcc-dev/neofs-contract/nns"
@@ -126,17 +124,17 @@ func dumpBalances(cmd *cobra.Command, _ []string) error {
 	if dumpAlphabet {
 		alphaList := make([]accBalancePair, len(irList))
 
-		w := io.NewBufBinWriter()
+		b := smartcontract.NewBuilder()
 		for i := range alphaList {
-			emit.AppCall(w.BinWriter, nnsCs.Hash, "resolve", callflag.ReadOnly,
-				getAlphabetNNSDomain(i),
-				int64(nns.TXT))
+			b.InvokeMethod(nnsCs.Hash, "resolve", getAlphabetNNSDomain(i), int64(nns.TXT))
 		}
-		if w.Err != nil {
-			panic(w.Err)
+
+		script, err := b.Script()
+		if err != nil {
+			return fmt.Errorf("resolbing alphabet hashes script: %w", err)
 		}
 
-		alphaRes, err := c.InvokeScript(w.Bytes(), nil)
+		alphaRes, err := c.InvokeScript(script, nil)
 		if err != nil {
 			return fmt.Errorf("can't fetch info from NNS: %w", err)
 		}
@@ -194,15 +192,17 @@ func printBalances(cmd *cobra.Command, prefix string, accounts []accBalancePair)
 }
 
 func fetchBalances(c *invoker.Invoker, gasHash util.Uint160, accounts []accBalancePair) error {
-	w := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 	for i := range accounts {
-		emit.AppCall(w.BinWriter, gasHash, "balanceOf", callflag.ReadStates, accounts[i].scriptHash)
+		b.InvokeMethod(gasHash, "balanceOf", accounts[i].scriptHash)
 	}
-	if w.Err != nil {
-		panic(w.Err)
+
+	script, err := b.Script()
+	if err != nil {
+		return fmt.Errorf("reading balances script: %w", err)
 	}
 
-	res, err := c.Run(w.Bytes())
+	res, err := c.Run(script)
 	if err != nil || res.State != vmstate.Halt.String() || len(res.Stack) != len(accounts) {
 		return errors.New("can't fetch account balances")
 	}
diff --git a/cmd/neofs-adm/internal/modules/morph/config.go b/cmd/neofs-adm/internal/modules/morph/config.go
index bf9b2ee9673..3b96c05110d 100644
--- a/cmd/neofs-adm/internal/modules/morph/config.go
+++ b/cmd/neofs-adm/internal/modules/morph/config.go
@@ -10,11 +10,9 @@ import (
 	"strings"
 	"text/tabwriter"
 
-	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
-	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
@@ -116,7 +114,7 @@ func setConfigCmd(cmd *cobra.Command, args []string) error {
 
 	forceFlag, _ := cmd.Flags().GetBool(forceConfigSet)
 
-	bw := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 	for _, arg := range args {
 		k, v, err := parseConfigPair(arg, forceFlag)
 		if err != nil {
@@ -126,13 +124,15 @@ func setConfigCmd(cmd *cobra.Command, args []string) error {
 		// In NeoFS this is done via Notary contract. Here, however, we can form the
 		// transaction locally. The first `nil` argument is required only for notary
 		// disabled environment which is not supported by that command.
-		emit.AppCall(bw.BinWriter, nmHash, "setConfig", callflag.All, nil, k, v)
-		if bw.Err != nil {
-			return fmt.Errorf("can't form raw transaction: %w", bw.Err)
-		}
+		b.InvokeMethod(nmHash, "setConfig", nil, k, v)
+	}
+
+	script, err := b.Script()
+	if err != nil {
+		return fmt.Errorf("config setting script: %w", err)
 	}
 
-	err = wCtx.sendConsensusTx(bw.Bytes())
+	err = wCtx.sendConsensusTx(script)
 	if err != nil {
 		return err
 	}
diff --git a/cmd/neofs-adm/internal/modules/morph/container.go b/cmd/neofs-adm/internal/modules/morph/container.go
index 811d71be0d9..caa3100deee 100644
--- a/cmd/neofs-adm/internal/modules/morph/container.go
+++ b/cmd/neofs-adm/internal/modules/morph/container.go
@@ -8,12 +8,10 @@ import (
 	"sort"
 
 	"github.com/nspcc-dev/neo-go/pkg/crypto/hash"
-	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/nspcc-dev/neo-go/pkg/util"
-	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	"github.com/spf13/cobra"
@@ -82,15 +80,21 @@ func dumpContainers(cmd *cobra.Command, _ []string) error {
 	}
 
 	var containers []*Container
-	bw := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 	for _, id := range cids {
 		if !isOK(id) {
 			continue
 		}
-		bw.Reset()
-		emit.AppCall(bw.BinWriter, ch, "get", callflag.All, id)
-		emit.AppCall(bw.BinWriter, ch, "eACL", callflag.All, id)
-		res, err := inv.Run(bw.Bytes())
+		b.Reset()
+		b.InvokeMethod(ch, "get", id)
+		b.InvokeMethod(ch, "eACL", id)
+
+		script, err := b.Script()
+		if err != nil {
+			return fmt.Errorf("dumping '%s' container script: %w", id, err)
+		}
+
+		res, err := inv.Run(script)
 		if err != nil {
 			return fmt.Errorf("can't get container info: %w", err)
 		}
@@ -190,15 +194,21 @@ func restoreContainers(cmd *cobra.Command, _ []string) error {
 		return err
 	}
 
-	bw := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 	for _, cnt := range containers {
 		hv := hash.Sha256(cnt.Value)
 		if !isOK(hv[:]) {
 			continue
 		}
-		bw.Reset()
-		emit.AppCall(bw.BinWriter, ch, "get", callflag.All, hv.BytesBE())
-		res, err := wCtx.Client.InvokeScript(bw.Bytes(), nil)
+		b.Reset()
+		b.InvokeMethod(ch, "get", hv.BytesBE())
+
+		script, err := b.Script()
+		if err != nil {
+			return fmt.Errorf("reading container script: %w", err)
+		}
+
+		res, err := wCtx.Client.InvokeScript(script, nil)
 		if err != nil {
 			return fmt.Errorf("can't check if container is already restored: %w", err)
 		}
@@ -217,18 +227,18 @@ func restoreContainers(cmd *cobra.Command, _ []string) error {
 			continue
 		}
 
-		bw.Reset()
-		emit.AppCall(bw.BinWriter, ch, "put", callflag.All,
-			cnt.Value, cnt.Signature, cnt.PublicKey, cnt.Token)
+		b.Reset()
+		b.InvokeMethod(ch, "put", cnt.Value, cnt.Signature, cnt.PublicKey, cnt.Token)
 		if ea := cnt.EACL; ea != nil {
-			emit.AppCall(bw.BinWriter, ch, "setEACL", callflag.All,
-				ea.Value, ea.Signature, ea.PublicKey, ea.Token)
+			b.InvokeMethod(ch, "setEACL", ea.Value, ea.Signature, ea.PublicKey, ea.Token)
 		}
-		if bw.Err != nil {
-			panic(bw.Err)
+
+		script, err = b.Script()
+		if err != nil {
+			return fmt.Errorf("container update script: %w", err)
 		}
 
-		if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil {
+		if err := wCtx.sendConsensusTx(script); err != nil {
 			return err
 		}
 	}
diff --git a/cmd/neofs-adm/internal/modules/morph/dump_hashes.go b/cmd/neofs-adm/internal/modules/morph/dump_hashes.go
index 9614aab411a..b4175d371b9 100644
--- a/cmd/neofs-adm/internal/modules/morph/dump_hashes.go
+++ b/cmd/neofs-adm/internal/modules/morph/dump_hashes.go
@@ -12,6 +12,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep11"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
@@ -60,17 +61,20 @@ func dumpContractHashes(cmd *cobra.Command, _ []string) error {
 		}
 	}
 
-	bw := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 
 	if irSize != 0 {
-		bw.Reset()
+		b.Reset()
 		for i := 0; i < irSize; i++ {
-			emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
-				getAlphabetNNSDomain(i),
-				int64(nns.TXT))
+			b.InvokeMethod(cs.Hash, "resolve", getAlphabetNNSDomain(i), int64(nns.TXT))
+		}
+
+		script, err := b.Script()
+		if err != nil {
+			return fmt.Errorf("resolving alphabet hashes script: %w", err)
 		}
 
-		alphaRes, err := c.InvokeScript(bw.Bytes(), nil)
+		alphaRes, err := c.InvokeScript(script, nil)
 		if err != nil {
 			return fmt.Errorf("can't fetch info from NNS: %w", err)
 		}
@@ -85,11 +89,15 @@ func dumpContractHashes(cmd *cobra.Command, _ []string) error {
 	}
 
 	for _, ctrName := range contractList {
-		bw.Reset()
-		emit.AppCall(bw.BinWriter, cs.Hash, "resolve", callflag.ReadOnly,
-			ctrName+".neofs", int64(nns.TXT))
+		b.Reset()
+		b.InvokeMethod(cs.Hash, "resolve", ctrName+".neofs", int64(nns.TXT))
+
+		script, err := b.Script()
+		if err != nil {
+			return fmt.Errorf("resolving neofs contract hashes script: %w", err)
+		}
 
-		res, err := c.InvokeScript(bw.Bytes(), nil)
+		res, err := c.InvokeScript(script, nil)
 		if err != nil {
 			return fmt.Errorf("can't fetch info from NNS: %w", err)
 		}
diff --git a/cmd/neofs-adm/internal/modules/morph/initialize_register.go b/cmd/neofs-adm/internal/modules/morph/initialize_register.go
index d28299e4d3d..2989c4ddbeb 100644
--- a/cmd/neofs-adm/internal/modules/morph/initialize_register.go
+++ b/cmd/neofs-adm/internal/modules/morph/initialize_register.go
@@ -3,6 +3,7 @@ package morph
 import (
 	"errors"
 	"fmt"
+	"math/big"
 
 	"github.com/nspcc-dev/neo-go/pkg/core/native"
 	"github.com/nspcc-dev/neo-go/pkg/core/state"
@@ -12,6 +13,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/actor"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/invoker"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/neo"
+	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep17"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
 	"github.com/nspcc-dev/neo-go/pkg/util"
@@ -100,15 +102,24 @@ func (c *initializeContext) transferNEOToAlphabetContracts() error {
 	cs := c.getContract(alphabetContract)
 	amount := initialAlphabetNEOAmount / len(c.Wallets)
 
-	bw := io.NewBufBinWriter()
+	tNeo := nep17.New(c.CommitteeAct, neo.Hash)
+	pp := make([]nep17.TransferParameters, 0, len(c.Accounts))
+
 	for _, acc := range c.Accounts {
 		h := state.CreateContractHash(acc.Contract.ScriptHash(), cs.NEF.Checksum, cs.Manifest.Name)
-		emit.AppCall(bw.BinWriter, neo.Hash, "transfer", callflag.All,
-			c.CommitteeAcc.Contract.ScriptHash(), h, int64(amount), nil)
-		emit.Opcodes(bw.BinWriter, opcode.ASSERT)
+
+		pp = append(pp, nep17.TransferParameters{
+			To:     h,
+			Amount: big.NewInt(int64(amount)),
+		})
+	}
+
+	tx, err := tNeo.MultiTransferUnsigned(pp)
+	if err != nil {
+		return fmt.Errorf("multi transfer script: %w", err)
 	}
 
-	if err := c.sendCommitteeTx(bw.Bytes(), false); err != nil {
+	if err := c.multiSignAndSend(tx, committeeAccountName); err != nil {
 		return err
 	}
 
diff --git a/cmd/neofs-adm/internal/modules/morph/local_client.go b/cmd/neofs-adm/internal/modules/morph/local_client.go
index 5c98c00bdb8..fb2dcfdd100 100644
--- a/cmd/neofs-adm/internal/modules/morph/local_client.go
+++ b/cmd/neofs-adm/internal/modules/morph/local_client.go
@@ -27,7 +27,6 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
 	"github.com/nspcc-dev/neo-go/pkg/smartcontract/trigger"
 	"github.com/nspcc-dev/neo-go/pkg/util"
-	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
 	"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
 	"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
 	"github.com/nspcc-dev/neo-go/pkg/wallet"
@@ -315,13 +314,15 @@ func (l *localClient) putTransactions() error {
 }
 
 func invokeFunction(c Client, h util.Uint160, method string, parameters []interface{}, signers []transaction.Signer) (*result.Invoke, error) {
-	w := io.NewBufBinWriter()
-	emit.Array(w.BinWriter, parameters...)
-	emit.AppCallNoArgs(w.BinWriter, h, method, callflag.All)
-	if w.Err != nil {
-		panic(fmt.Sprintf("BUG: invalid parameters for '%s': %v", method, w.Err))
+	b := smartcontract.NewBuilder()
+	b.InvokeMethod(h, method, parameters...)
+
+	script, err := b.Script()
+	if err != nil {
+		return nil, fmt.Errorf("BUG: invalid parameters for '%s': %v", method, err)
 	}
-	return c.InvokeScript(w.Bytes(), signers)
+
+	return c.InvokeScript(script, signers)
 }
 
 var errGetDesignatedByRoleResponse = errors.New("`getDesignatedByRole`: invalid response")
diff --git a/cmd/neofs-adm/internal/modules/morph/policy.go b/cmd/neofs-adm/internal/modules/morph/policy.go
index b00fa9c7d4d..82a6d616161 100644
--- a/cmd/neofs-adm/internal/modules/morph/policy.go
+++ b/cmd/neofs-adm/internal/modules/morph/policy.go
@@ -5,10 +5,8 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/policy"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
-	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -25,7 +23,7 @@ func setPolicyCmd(cmd *cobra.Command, args []string) error {
 		return fmt.Errorf("can't to initialize context: %w", err)
 	}
 
-	bw := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 	for i := range args {
 		kv := strings.SplitN(args[i], "=", 2)
 		if len(kv) != 2 {
@@ -43,10 +41,15 @@ func setPolicyCmd(cmd *cobra.Command, args []string) error {
 			return fmt.Errorf("can't parse parameter value '%s': %w", args[1], err)
 		}
 
-		emit.AppCall(bw.BinWriter, policy.Hash, "set"+kv[0], callflag.All, int64(value))
+		b.InvokeMethod(policy.Hash, "set"+kv[0], int64(value))
 	}
 
-	if err := wCtx.sendCommitteeTx(bw.Bytes(), false); err != nil {
+	script, err := b.Script()
+	if err != nil {
+		return fmt.Errorf("policy setting script: %w", err)
+	}
+
+	if err := wCtx.sendCommitteeTx(script, false); err != nil {
 		return err
 	}
 
diff --git a/cmd/neofs-adm/internal/modules/morph/renew_domain.go b/cmd/neofs-adm/internal/modules/morph/renew_domain.go
index dfbb073ad11..af7855434dd 100644
--- a/cmd/neofs-adm/internal/modules/morph/renew_domain.go
+++ b/cmd/neofs-adm/internal/modules/morph/renew_domain.go
@@ -2,13 +2,12 @@ package morph
 
 import (
 	"errors"
+	"fmt"
 	"strings"
 
-	"github.com/nspcc-dev/neo-go/pkg/io"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/nep11"
 	"github.com/nspcc-dev/neo-go/pkg/rpcclient/unwrap"
-	"github.com/nspcc-dev/neo-go/pkg/smartcontract/callflag"
-	"github.com/nspcc-dev/neo-go/pkg/vm/emit"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
@@ -56,18 +55,21 @@ func renewDomain(cmd *cobra.Command, _ []string) error {
 		domains = append(domains, dom)
 	}
 
-	bw := io.NewBufBinWriter()
+	b := smartcontract.NewBuilder()
 	for i := range domains {
-		emit.AppCall(bw.BinWriter, nns.Hash, "renew", callflag.All, domains[i])
-		if bw.Err != nil {
-			return bw.Err
+		b.InvokeMethod(nns.Hash, "renew", domains[i])
+
+		script, err := b.Script()
+		if err != nil {
+			return fmt.Errorf("renew script: %w", err)
 		}
+
 		// Default registration price is 10 GAS, adding more domains
 		// into the script makes test execution to fail.
-		if err := wCtx.sendConsensusTx(bw.Bytes()); err != nil {
+		if err := wCtx.sendConsensusTx(script); err != nil {
 			return err
 		}
-		bw.Reset()
+		b.Reset()
 	}
 	return wCtx.awaitTx()
 }