[#625] client/balance: remove intermediate wrapper

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

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)
+}