[#625] client/balance: remove intermediate wrapper

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

cmd/neofs-node/accounting.go

@@ -2,7 +2,7 @@ package main
 
 import (
 	accountingGRPC "github.com/nspcc-dev/neofs-api-go/v2/accounting/grpc"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
 	accountingTransportGRPC "github.com/nspcc-dev/neofs-node/pkg/network/transport/accounting/grpc"
 	accountingService "github.com/nspcc-dev/neofs-node/pkg/services/accounting"
 	accounting "github.com/nspcc-dev/neofs-node/pkg/services/accounting/morph"
@@ -13,7 +13,7 @@ func initAccountingService(c *cfg) {
 		initMorphComponents(c)
 	}
 
-	balanceMorphWrapper, err := wrapper.NewFromMorph(c.cfgMorph.client, c.cfgAccounting.scriptHash, 0)
+	balanceMorphWrapper, err := balance.NewFromMorph(c.cfgMorph.client, c.cfgAccounting.scriptHash, 0)
 	fatalOnErr(err)
 
 	server := accountingTransportGRPC.New(

pkg/innerring/innerring.go

@@ -30,7 +30,7 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/metrics"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
 	auditWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/audit/wrapper"
-	balanceWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
+	balanceClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
 	cntWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
 	neofsWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofs/wrapper"
 	neofsidWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofsid/wrapper"
@@ -76,7 +76,7 @@ type (
 		precision     precision.Fixed8Converter
 		auditClient   *auditWrapper.ClientWrapper
 		healthStatus  atomic.Value
-		balanceClient *balanceWrapper.Wrapper
+		balanceClient *balanceClient.Client
 		netmapClient  *nmWrapper.Wrapper
 		persistate    *state.PersistentStorage
 
@@ -493,7 +493,7 @@ func New(ctx context.Context, log *zap.Logger, cfg *viper.Viper) (*Server, error
 		return nil, err
 	}
 
-	server.balanceClient, err = balanceWrapper.NewFromMorph(server.morphClient, server.contracts.balance, fee, balanceWrapper.TryNotary(), balanceWrapper.AsAlphabet())
+	server.balanceClient, err = balanceClient.NewFromMorph(server.morphClient, server.contracts.balance, fee, balanceClient.TryNotary(), balanceClient.AsAlphabet())
 	if err != nil {
 		return nil, err
 	}

pkg/innerring/processors/neofs/process_assets.go

@@ -2,7 +2,7 @@ package neofs
 
 import (
 	"github.com/nspcc-dev/neo-go/pkg/util"
-	balancewrp "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
 	neofsEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/neofs"
 	"go.uber.org/zap"
 )
@@ -20,7 +20,7 @@ func (np *Processor) processDeposit(deposit *neofsEvent.Deposit) {
 		return
 	}
 
-	prm := balancewrp.MintPrm{}
+	prm := balance.MintPrm{}
 
 	prm.SetTo(deposit.To())
 	prm.SetAmount(np.converter.ToBalancePrecision(deposit.Amount()))
@@ -95,7 +95,7 @@ func (np *Processor) processWithdraw(withdraw *neofsEvent.Withdraw) {
 
 	curEpoch := np.epochState.EpochCounter()
 
-	prm := balancewrp.LockPrm{}
+	prm := balance.LockPrm{}
 
 	prm.SetID(withdraw.ID())
 	prm.SetUser(withdraw.User())
@@ -117,7 +117,7 @@ func (np *Processor) processCheque(cheque *neofsEvent.Cheque) {
 		return
 	}
 
-	prm := balancewrp.BurnPrm{}
+	prm := balance.BurnPrm{}
 
 	prm.SetTo(cheque.LockAccount())
 	prm.SetAmount(np.converter.ToBalancePrecision(cheque.Amount()))

pkg/innerring/processors/neofs/processor.go

@@ -9,7 +9,7 @@ import (
 	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
 	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
-	balanceWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
 	neofsid "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofsid/wrapper"
 	nmWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap/wrapper"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
@@ -39,7 +39,7 @@ type (
 		log                 *zap.Logger
 		pool                *ants.Pool
 		neofsContract       util.Uint160
-		balanceClient       *balanceWrapper.Wrapper
+		balanceClient       *balance.Client
 		netmapClient        *nmWrapper.Wrapper
 		morphClient         *client.Client
 		epochState          EpochState
@@ -60,7 +60,7 @@ type (
 		PoolSize            int
 		NeoFSContract       util.Uint160
 		NeoFSIDClient       *neofsid.ClientWrapper
-		BalanceClient       *balanceWrapper.Wrapper
+		BalanceClient       *balance.Client
 		NetmapClient        *nmWrapper.Wrapper
 		MorphClient         *client.Client
 		EpochState          EpochState

pkg/innerring/settlement.go

@@ -15,7 +15,7 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/innerring/processors/settlement/basic"
 	"github.com/nspcc-dev/neofs-node/pkg/innerring/processors/settlement/common"
 	auditClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/audit/wrapper"
-	balanceClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
+	balanceClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
 	containerClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/container/wrapper"
 	"github.com/nspcc-dev/neofs-node/pkg/util/logger"
 	auditAPI "github.com/nspcc-dev/neofs-sdk-go/audit"
@@ -46,7 +46,7 @@ type settlementDeps struct {
 
 	clientCache *ClientCache
 
-	balanceClient *balanceClient.Wrapper
+	balanceClient *balanceClient.Client
 }
 
 type auditSettlementDeps struct {

pkg/morph/client/balance/balanceOf.go

@@ -4,39 +4,22 @@ import (
 	"fmt"
 	"math/big"
 
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neofs-sdk-go/owner"
 )
 
-// GetBalanceOfArgs groups the arguments
+// BalanceOf receives the amount of funds in the client's account
-// of "balance of" test invoke call.
+// through the Balance contract call, and returns it.
-type GetBalanceOfArgs struct {
+func (c *Client) BalanceOf(id *owner.ID) (*big.Int, error) {
-	wallet []byte // wallet script hash
+	h, err := address.StringToUint160(id.String())
-}
+	if err != nil {
+		return nil, err
+	}
 
-// GetBalanceOfValues groups the stack parameters
-// returned by "balance of" test invoke.
-type GetBalanceOfValues struct {
-	amount *big.Int // wallet funds amount
-}
-
-// SetWallet sets the wallet script hash
-// in a binary format.
-func (g *GetBalanceOfArgs) SetWallet(v []byte) {
-	g.wallet = v
-}
-
-// Amount returns the amount of funds.
-func (g *GetBalanceOfValues) Amount() *big.Int {
-	return g.amount
-}
-
-// BalanceOf performs the test invoke of "balance of"
-// method of NeoFS Balance contract.
-func (c *Client) BalanceOf(args GetBalanceOfArgs) (*GetBalanceOfValues, error) {
 	invokePrm := client.TestInvokePrm{}
-
 	invokePrm.SetMethod(balanceOfMethod)
-	invokePrm.SetArgs(args.wallet)
+	invokePrm.SetArgs(h.BytesBE())
 
 	prms, err := c.client.TestInvoke(invokePrm)
 	if err != nil {
@@ -49,8 +32,5 @@ func (c *Client) BalanceOf(args GetBalanceOfArgs) (*GetBalanceOfValues, error) {
 	if err != nil {
 		return nil, fmt.Errorf("could not get integer stack item from stack item (%s): %w", balanceOfMethod, err)
 	}
-
+	return amount, nil
-	return &GetBalanceOfValues{
-		amount: amount,
-	}, nil
 }

pkg/morph/client/balance/burn.go

@@ -0,0 +1,40 @@
+package balance
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
+)
+
+// BurnPrm groups parameters of Burn operation.
+type BurnPrm struct {
+	to     util.Uint160
+	amount int64
+	id     []byte
+
+	client.InvokePrmOptional
+}
+
+// SetTo sets receiver.
+func (b *BurnPrm) SetTo(to util.Uint160) {
+	b.to = to
+}
+
+// SetAmount sets amount.
+func (b *BurnPrm) SetAmount(amount int64) {
+	b.amount = amount
+}
+
+// SetID sets ID
+func (b *BurnPrm) SetID(id []byte) {
+	b.id = id
+}
+
+// Burn destroys funds from the account.
+func (c *Client) Burn(p BurnPrm) error {
+	prm := client.InvokePrm{}
+	prm.SetMethod(burnMethod)
+	prm.SetArgs(p.to.BytesBE(), p.amount, p.id)
+	prm.InvokePrmOptional = p.InvokePrmOptional
+
+	return c.client.Invoke(prm)
+}

pkg/morph/client/balance/client.go

@@ -1,6 +1,10 @@
 package balance
 
 import (
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
+	"github.com/nspcc-dev/neo-go/pkg/util"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
 )
 
@@ -25,7 +29,49 @@ const (
 	decimalsMethod  = "decimals"
 )
 
-// New creates, initializes and returns the Client instance.
+// NewFromMorph returns the wrapper instance from the raw morph client.
-func New(c *client.StaticClient) *Client {
+func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8, opts ...Option) (*Client, error) {
-	return &Client{client: c}
+	o := defaultOpts()
+
+	for i := range opts {
+		opts[i](o)
+	}
+
+	staticClient, err := client.NewStatic(cli, contract, fee, ([]client.StaticClientOption)(*o)...)
+	if err != nil {
+		return nil, fmt.Errorf("could not create static client of Balance contract: %w", err)
+	}
+
+	return &Client{
+		client: staticClient,
+	}, nil
+}
+
+// Option allows to set an optional
+// parameter of Wrapper.
+type Option func(*opts)
+
+type opts []client.StaticClientOption
+
+func defaultOpts() *opts {
+	return new(opts)
+}
+
+// TryNotary returns option to enable
+// notary invocation tries.
+func TryNotary() Option {
+	return func(o *opts) {
+		*o = append(*o, client.TryNotary())
+	}
+}
+
+// AsAlphabet returns option to sign main TX
+// of notary requests with client's private
+// key.
+//
+// Considered to be used by IR nodes only.
+func AsAlphabet() Option {
+	return func(o *opts) {
+		*o = append(*o, client.AsAlphabet())
+	}
 }

pkg/morph/client/balance/decimals.go

@@ -6,42 +6,22 @@ import (
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
 )
 
-// DecimalsArgs groups the arguments
+// Decimals decimal precision of currency transactions
-// of decimals test invoke call.
+// through the Balance contract call, and returns it.
-type DecimalsArgs struct {
+func (c *Client) Decimals() (uint32, error) {
-}
-
-// DecimalsValues groups the stack parameters
-// returned by decimals test invoke.
-type DecimalsValues struct {
-	decimals int64 // decimals value
-}
-
-// Decimals returns the decimals value.
-func (d *DecimalsValues) Decimals() int64 {
-	return d.decimals
-}
-
-// Decimals performs the test invoke of decimals
-// method of NeoFS Balance contract.
-func (c *Client) Decimals(args DecimalsArgs) (*DecimalsValues, error) {
 	invokePrm := client.TestInvokePrm{}
-
 	invokePrm.SetMethod(decimalsMethod)
 
 	prms, err := c.client.TestInvoke(invokePrm)
 	if err != nil {
-		return nil, fmt.Errorf("could not perform test invocation (%s): %w", decimalsMethod, err)
+		return 0, fmt.Errorf("could not perform test invocation (%s): %w", decimalsMethod, err)
 	} else if ln := len(prms); ln != 1 {
-		return nil, fmt.Errorf("unexpected stack item count (%s): %d", decimalsMethod, ln)
+		return 0, fmt.Errorf("unexpected stack item count (%s): %d", decimalsMethod, ln)
 	}
 
 	decimals, err := client.IntFromStackItem(prms[0])
 	if err != nil {
-		return nil, fmt.Errorf("could not get integer stack item from stack item (%s): %w", decimalsMethod, err)
+		return 0, fmt.Errorf("could not get integer stack item from stack item (%s): %w", decimalsMethod, err)
 	}
-
+	return uint32(decimals), nil
-	return &DecimalsValues{
-		decimals: decimals,
-	}, nil
 }

pkg/morph/client/balance/lock.go

@@ -0,0 +1,52 @@
+package balance
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
+)
+
+// LockPrm groups parameters of Lock operation.
+type LockPrm struct {
+	id       []byte
+	user     util.Uint160
+	lock     util.Uint160
+	amount   int64
+	dueEpoch int64
+
+	client.InvokePrmOptional
+}
+
+// SetID sets ID.
+func (l *LockPrm) SetID(id []byte) {
+	l.id = id
+}
+
+// SetUser set user.
+func (l *LockPrm) SetUser(user util.Uint160) {
+	l.user = user
+}
+
+// SetLock sets lock.
+func (l *LockPrm) SetLock(lock util.Uint160) {
+	l.lock = lock
+}
+
+// SetAmount sets amount.
+func (l *LockPrm) SetAmount(amount int64) {
+	l.amount = amount
+}
+
+// SetDueEpoch sets end of the lock.
+func (l *LockPrm) SetDueEpoch(dueEpoch int64) {
+	l.dueEpoch = dueEpoch
+}
+
+// Lock locks fund on the user account.
+func (c *Client) Lock(p LockPrm) error {
+	prm := client.InvokePrm{}
+	prm.SetMethod(lockMethod)
+	prm.SetArgs(p.id, p.user.BytesBE(), p.lock.BytesBE(), p.amount, p.dueEpoch)
+	prm.InvokePrmOptional = p.InvokePrmOptional
+
+	return c.client.Invoke(prm)
+}

pkg/morph/client/balance/mint.go

@@ -0,0 +1,40 @@
+package balance
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
+)
+
+// MintPrm groups parameters of Mint operation.
+type MintPrm struct {
+	to     util.Uint160
+	amount int64
+	id     []byte
+
+	client.InvokePrmOptional
+}
+
+// SetTo sets receiver of the transfer.
+func (m *MintPrm) SetTo(to util.Uint160) {
+	m.to = to
+}
+
+// SetAmount sets amount of the transfer.
+func (m *MintPrm) SetAmount(amount int64) {
+	m.amount = amount
+}
+
+// SetID sets ID.
+func (m *MintPrm) SetID(id []byte) {
+	m.id = id
+}
+
+// Mint sends funds to the account.
+func (c *Client) Mint(p MintPrm) error {
+	prm := client.InvokePrm{}
+	prm.SetMethod(mintMethod)
+	prm.SetArgs(p.to.BytesBE(), p.amount, p.id)
+	prm.InvokePrmOptional = p.InvokePrmOptional
+
+	return c.client.Invoke(prm)
+}

pkg/morph/client/balance/transfer.go

@@ -3,177 +3,45 @@ package balance
 import (
 	"fmt"
 
+	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
 	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neofs-sdk-go/owner"
 )
 
-// TransferXArgs groups the arguments
+// TransferPrm groups parameters of TransferX method.
-// of "transferX" invocation call.
+type TransferPrm struct {
-type TransferXArgs struct {
+	Amount int64
-	amount int64 // amount in GASe-12
 
-	sender []byte // sender's wallet script hash
+	From, To *owner.ID
 
-	recipient []byte // recipient's wallet script hash
+	Details []byte
-
-	details []byte // transfer details
 
 	client.InvokePrmOptional
 }
 
-// SetAmount sets amount of funds to transfer
+// TransferX transfers p.Amount of GASe-12 from p.From to p.To
-// in GASe-12.
+// with details p.Details through direct smart contract call.
-func (t *TransferXArgs) SetAmount(v int64) {
+//
-	t.amount = v
+// If TryNotary is provided, calls notary contract.
-}
+func (c *Client) TransferX(p TransferPrm) error {
+	from, err := address.StringToUint160(p.From.String())
+	if err != nil {
+		return err
+	}
 
-// SetSender sets wallet script hash
+	to, err := address.StringToUint160(p.To.String())
-// of the sender of funds in a binary format.
+	if err != nil {
-func (t *TransferXArgs) SetSender(v []byte) {
+		return err
-	t.sender = v
+	}
-}
 
-// SetRecipient sets wallet script hash
-// of the recipient of funds in a binary format.
-func (t *TransferXArgs) SetRecipient(v []byte) {
-	t.recipient = v
-}
-
-// SetDetails sets details of the money transaction
-// in a binary format.
-func (t *TransferXArgs) SetDetails(v []byte) {
-	t.details = v
-}
-
-// TransferX directly invokes the call of "transferX" method
-// of NeoFS Balance contract.
-func (c *Client) TransferX(args TransferXArgs) error {
 	prm := client.InvokePrm{}
-
 	prm.SetMethod(transferXMethod)
-	prm.SetArgs(args.sender, args.recipient, args.amount, args.details)
+	prm.SetArgs(from.BytesBE(), to.BytesBE(), p.Amount, p.Details)
-	prm.InvokePrmOptional = args.InvokePrmOptional
+	prm.InvokePrmOptional = p.InvokePrmOptional
 
-	err := c.client.Invoke(prm)
+	err = c.client.Invoke(prm)
 	if err != nil {
 		return fmt.Errorf("could not invoke method (%s): %w", transferXMethod, err)
 	}
-
 	return nil
 }
-
-// MintPrm groups parameters of Mint operation.
-type MintPrm struct {
-	to     []byte
-	amount int64
-	id     []byte
-
-	client.InvokePrmOptional
-}
-
-// SetTo sets receiver of the transfer.
-func (m *MintPrm) SetTo(to []byte) {
-	m.to = to
-}
-
-// SetAmount sets amount of the transfer.
-func (m *MintPrm) SetAmount(amount int64) {
-	m.amount = amount
-}
-
-// SetID sets ID.
-func (m *MintPrm) SetID(id []byte) {
-	m.id = id
-}
-
-// Mint invokes `mint` method of the balance contract.
-func (c *Client) Mint(args MintPrm) error {
-	prm := client.InvokePrm{}
-
-	prm.SetMethod(mintMethod)
-	prm.SetArgs(args.to, args.amount, args.id)
-	prm.InvokePrmOptional = args.InvokePrmOptional
-
-	return c.client.Invoke(prm)
-}
-
-// BurnPrm groups parameters of Burn operation.
-type BurnPrm struct {
-	to     []byte
-	amount int64
-	id     []byte
-
-	client.InvokePrmOptional
-}
-
-// SetTo sets receiver.
-func (b *BurnPrm) SetTo(to []byte) {
-	b.to = to
-}
-
-// SetAmount sets amount.
-func (b *BurnPrm) SetAmount(amount int64) {
-	b.amount = amount
-}
-
-// SetID sets ID.
-func (b *BurnPrm) SetID(id []byte) {
-	b.id = id
-}
-
-// Burn invokes `burn` method of the balance contract.
-func (c *Client) Burn(args BurnPrm) error {
-	prm := client.InvokePrm{}
-
-	prm.SetMethod(burnMethod)
-	prm.SetArgs(args.to, args.amount, args.id)
-	prm.InvokePrmOptional = args.InvokePrmOptional
-
-	return c.client.Invoke(prm)
-}
-
-// LockPrm groups parameters of Lock operation.
-type LockPrm struct {
-	id       []byte
-	user     []byte
-	lock     []byte
-	amount   int64
-	dueEpoch int64
-
-	client.InvokePrmOptional
-}
-
-// SetID sets ID.
-func (l *LockPrm) SetID(id []byte) {
-	l.id = id
-}
-
-// SetUser set user.
-func (l *LockPrm) SetUser(user []byte) {
-	l.user = user
-}
-
-// SetLock sets lock.
-func (l *LockPrm) SetLock(lock []byte) {
-	l.lock = lock
-}
-
-// SetAmount sets amount.
-func (l *LockPrm) SetAmount(amount int64) {
-	l.amount = amount
-}
-
-// SetDueEpoch sets end of the lock.
-func (l *LockPrm) SetDueEpoch(dueEpoch int64) {
-	l.dueEpoch = dueEpoch
-}
-
-// Lock invokes `lock` method of the balance contract.
-func (c *Client) Lock(args LockPrm) error {
-	prm := client.InvokePrm{}
-
-	prm.SetMethod(lockMethod)
-	prm.SetArgs(args.id, args.user, args.lock, args.amount, args.dueEpoch)
-	prm.InvokePrmOptional = args.InvokePrmOptional
-
-	return c.client.Invoke(prm)
-}

pkg/morph/client/balance/wrapper/balanceOf.go

@@ -1,28 +0,0 @@
-package wrapper
-
-import (
-	"math/big"
-
-	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
-	"github.com/nspcc-dev/neofs-sdk-go/owner"
-)
-
-// BalanceOf receives the amount of funds in the client's account
-// through the Balance contract call, and returns it.
-func (w *Wrapper) BalanceOf(id *owner.ID) (*big.Int, error) {
-	h, err := address.StringToUint160(id.String())
-	if err != nil {
-		return nil, err
-	}
-
-	args := balance.GetBalanceOfArgs{}
-	args.SetWallet(h.BytesBE())
-
-	result, err := w.client.BalanceOf(args)
-	if err != nil {
-		return nil, err
-	}
-
-	return result.Amount(), nil
-}

pkg/morph/client/balance/wrapper/decimals.go

@@ -1,22 +0,0 @@
-package wrapper
-
-import (
-	"fmt"
-
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
-)
-
-// Decimals decimal precision of currency transactions
-// through the Balance contract call, and returns it.
-func (w *Wrapper) Decimals() (uint32, error) {
-	// prepare invocation arguments
-	args := balance.DecimalsArgs{}
-
-	// invoke smart contract call
-	values, err := w.client.Decimals(args)
-	if err != nil {
-		return 0, fmt.Errorf("could not invoke smart contract: %w", err)
-	}
-
-	return uint32(values.Decimals()), nil
-}

pkg/morph/client/balance/wrapper/transfer.go

@@ -1,167 +0,0 @@
-package wrapper
-
-import (
-	"github.com/nspcc-dev/neo-go/pkg/encoding/address"
-	"github.com/nspcc-dev/neo-go/pkg/util"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
-	"github.com/nspcc-dev/neofs-sdk-go/owner"
-)
-
-// TransferPrm groups parameters of TransferX method.
-type TransferPrm struct {
-	Amount int64
-
-	From, To *owner.ID
-
-	Details []byte
-
-	client.InvokePrmOptional
-}
-
-// TransferX transfers p.Amount of GASe-12 from p.From to p.To
-// with details p.Details through direct smart contract call.
-//
-// If TryNotary is provided, calls notary contract.
-func (w *Wrapper) TransferX(p TransferPrm) error {
-	from, err := address.StringToUint160(p.From.String())
-	if err != nil {
-		return err
-	}
-	to, err := address.StringToUint160(p.To.String())
-	if err != nil {
-		return err
-	}
-
-	// prepare invocation arguments
-	args := balance.TransferXArgs{}
-	args.SetSender(from.BytesBE())
-	args.SetRecipient(to.BytesBE())
-	args.SetAmount(p.Amount)
-	args.SetDetails(p.Details)
-	args.InvokePrmOptional = p.InvokePrmOptional
-
-	return w.client.TransferX(args)
-}
-
-// MintPrm groups parameters of Mint operation.
-type MintPrm struct {
-	to     util.Uint160
-	amount int64
-	id     []byte
-
-	client.InvokePrmOptional
-}
-
-// SetTo sets receiver of the transfer.
-func (m *MintPrm) SetTo(to util.Uint160) {
-	m.to = to
-}
-
-// SetAmount sets amount of the transfer.
-func (m *MintPrm) SetAmount(amount int64) {
-	m.amount = amount
-}
-
-// SetID sets ID.
-func (m *MintPrm) SetID(id []byte) {
-	m.id = id
-}
-
-// Mint sends funds to the account.
-func (w *Wrapper) Mint(prm MintPrm) error {
-	args := balance.MintPrm{}
-
-	args.SetTo(prm.to.BytesBE())
-	args.SetAmount(prm.amount)
-	args.SetID(prm.id)
-	args.InvokePrmOptional = prm.InvokePrmOptional
-
-	return w.client.Mint(args)
-}
-
-// BurnPrm groups parameters of Burn operation.
-type BurnPrm struct {
-	to     util.Uint160
-	amount int64
-	id     []byte
-
-	client.InvokePrmOptional
-}
-
-// SetTo sets receiver.
-func (b *BurnPrm) SetTo(to util.Uint160) {
-	b.to = to
-}
-
-// SetAmount sets amount.
-func (b *BurnPrm) SetAmount(amount int64) {
-	b.amount = amount
-}
-
-// SetID sets ID
-func (b *BurnPrm) SetID(id []byte) {
-	b.id = id
-}
-
-// Burn destroys funds from the account.
-func (w *Wrapper) Burn(prm BurnPrm) error {
-	args := balance.BurnPrm{}
-
-	args.SetTo(prm.to.BytesBE())
-	args.SetAmount(prm.amount)
-	args.SetID(prm.id)
-	args.InvokePrmOptional = prm.InvokePrmOptional
-
-	return w.client.Burn(args)
-}
-
-// LockPrm groups parameters of Lock operation.
-type LockPrm struct {
-	id       []byte
-	user     util.Uint160
-	lock     util.Uint160
-	amount   int64
-	dueEpoch int64
-
-	client.InvokePrmOptional
-}
-
-// SetID sets ID.
-func (l *LockPrm) SetID(id []byte) {
-	l.id = id
-}
-
-// SetUser set user.
-func (l *LockPrm) SetUser(user util.Uint160) {
-	l.user = user
-}
-
-// SetLock sets lock.
-func (l *LockPrm) SetLock(lock util.Uint160) {
-	l.lock = lock
-}
-
-// SetAmount sets amount.
-func (l *LockPrm) SetAmount(amount int64) {
-	l.amount = amount
-}
-
-// SetDueEpoch sets end of the lock.
-func (l *LockPrm) SetDueEpoch(dueEpoch int64) {
-	l.dueEpoch = dueEpoch
-}
-
-// Lock locks fund on the user account.
-func (w *Wrapper) Lock(prm LockPrm) error {
-	args := balance.LockPrm{}
-
-	args.SetID(prm.id)
-	args.SetUser(prm.user.BytesBE())
-	args.SetLock(prm.lock.BytesBE())
-	args.SetAmount(prm.amount)
-	args.SetDueEpoch(prm.dueEpoch)
-	args.InvokePrmOptional = prm.InvokePrmOptional
-
-	return w.client.Lock(args)
-}

pkg/morph/client/balance/wrapper/wrapper.go

@@ -1,74 +0,0 @@
-package wrapper
-
-import (
-	"fmt"
-
-	"github.com/nspcc-dev/neo-go/pkg/encoding/fixedn"
-	"github.com/nspcc-dev/neo-go/pkg/util"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/internal"
-)
-
-// Wrapper is a wrapper over balance contract
-// client which implements:
-//  * tool for obtaining the amount of funds in the client's account;
-//  * tool for obtaining decimal precision of currency transactions.
-//
-// Working wrapper must be created via constructor New.
-// Using the Wrapper that has been created with new(Wrapper)
-// expression (or just declaring a Wrapper variable) is unsafe
-// and can lead to panic.
-type Wrapper struct {
-	internal.StaticClient
-
-	client *balance.Client
-}
-
-// Option allows to set an optional
-// parameter of Wrapper.
-type Option func(*opts)
-
-type opts []client.StaticClientOption
-
-func defaultOpts() *opts {
-	return new(opts)
-}
-
-// TryNotary returns option to enable
-// notary invocation tries.
-func TryNotary() Option {
-	return func(o *opts) {
-		*o = append(*o, client.TryNotary())
-	}
-}
-
-// AsAlphabet returns option to sign main TX
-// of notary requests with client's private
-// key.
-//
-// Considered to be used by IR nodes only.
-func AsAlphabet() Option {
-	return func(o *opts) {
-		*o = append(*o, client.AsAlphabet())
-	}
-}
-
-// NewFromMorph returns the wrapper instance from the raw morph client.
-func NewFromMorph(cli *client.Client, contract util.Uint160, fee fixedn.Fixed8, opts ...Option) (*Wrapper, error) {
-	o := defaultOpts()
-
-	for i := range opts {
-		opts[i](o)
-	}
-
-	staticClient, err := client.NewStatic(cli, contract, fee, ([]client.StaticClientOption)(*o)...)
-	if err != nil {
-		return nil, fmt.Errorf("could not create static client of Balance contract: %w", err)
-	}
-
-	return &Wrapper{
-		StaticClient: staticClient,
-		client:       balance.New(staticClient),
-	}, nil
-}

pkg/services/accounting/morph/executor.go

@@ -4,16 +4,16 @@ import (
 	"context"
 
 	"github.com/nspcc-dev/neofs-api-go/v2/accounting"
-	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance/wrapper"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
 	accountingSvc "github.com/nspcc-dev/neofs-node/pkg/services/accounting"
 	"github.com/nspcc-dev/neofs-sdk-go/owner"
 )
 
 type morphExecutor struct {
-	client *wrapper.Wrapper
+	client *balance.Client
 }
 
-func NewExecutor(client *wrapper.Wrapper) accountingSvc.ServiceExecutor {
+func NewExecutor(client *balance.Client) accountingSvc.ServiceExecutor {
 	return &morphExecutor{
 		client: client,
 	}