[#11] Rename neofs contract to frostfs

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

pkg/morph/client/frostfs/cheque.go

@@ -0,0 +1,75 @@
+package frostfscontract
+
+import (
+	"github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+)
+
+// ChequePrm groups parameters of Cheque operation.
+type ChequePrm struct {
+	id     []byte
+	user   util.Uint160
+	amount int64
+	lock   util.Uint160
+
+	client.InvokePrmOptional
+}
+
+// SetID sets ID of the cheque.
+func (c *ChequePrm) SetID(id []byte) {
+	c.id = id
+}
+
+// SetUser sets user.
+func (c *ChequePrm) SetUser(user util.Uint160) {
+	c.user = user
+}
+
+// SetAmount sets amount.
+func (c *ChequePrm) SetAmount(amount int64) {
+	c.amount = amount
+}
+
+// SetLock sets lock.
+func (c *ChequePrm) SetLock(lock util.Uint160) {
+	c.lock = lock
+}
+
+// Cheque invokes `cheque` method of NeoFS contract.
+func (x *Client) Cheque(p ChequePrm) error {
+	prm := client.InvokePrm{}
+	prm.SetMethod(chequeMethod)
+	prm.SetArgs(p.id, p.user, p.amount, p.lock)
+	prm.InvokePrmOptional = p.InvokePrmOptional
+
+	return x.client.Invoke(prm)
+}
+
+// AlphabetUpdatePrm groups parameters of AlphabetUpdate operation.
+type AlphabetUpdatePrm struct {
+	id   []byte
+	pubs keys.PublicKeys
+
+	client.InvokePrmOptional
+}
+
+// SetID sets update ID.
+func (a *AlphabetUpdatePrm) SetID(id []byte) {
+	a.id = id
+}
+
+// SetPubs sets new alphabet public keys.
+func (a *AlphabetUpdatePrm) SetPubs(pubs keys.PublicKeys) {
+	a.pubs = pubs
+}
+
+// AlphabetUpdate update list of alphabet nodes.
+func (x *Client) AlphabetUpdate(p AlphabetUpdatePrm) error {
+	prm := client.InvokePrm{}
+	prm.SetMethod(alphabetUpdateMethod)
+	prm.SetArgs(p.id, p.pubs)
+	prm.InvokePrmOptional = p.InvokePrmOptional
+
+	return x.client.Invoke(prm)
+}