From 6250e5eaf79790a60694392aad2e5bb3a5370219 Mon Sep 17 00:00:00 2001
From: Evgenii Stratonikov <evgeniy@nspcc.ru>
Date: Thu, 18 Nov 2021 14:31:58 +0300
Subject: [PATCH] [#122] subnet: add contract skeleton

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
---
 Makefile                  |  2 +-
 subnet/config.yml         |  4 ++++
 subnet/subnet_contract.go | 44 +++++++++++++++++++++++++++++++++++++++
 tests/subnet_test.go      | 30 ++++++++++++++++++++++++++
 4 files changed, 79 insertions(+), 1 deletion(-)
 create mode 100644 subnet/config.yml
 create mode 100644 subnet/subnet_contract.go
 create mode 100644 tests/subnet_test.go

diff --git a/Makefile b/Makefile
index 06652f2..e477afa 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ all: sidechain mainnet
 sidechain: alphabet morph nns
 
 alphabet_sc = alphabet
-morph_sc = audit balance container neofsid netmap proxy reputation
+morph_sc = audit balance container neofsid netmap proxy reputation subnet
 mainnet_sc = neofs processing
 nns_sc = nns
 
diff --git a/subnet/config.yml b/subnet/config.yml
new file mode 100644
index 0000000..5d978d1
--- /dev/null
+++ b/subnet/config.yml
@@ -0,0 +1,4 @@
+name: "NeoFS Subnet"
+safemethods: ["version"]
+permissions:
+  - methods: ["update"]
\ No newline at end of file
diff --git a/subnet/subnet_contract.go b/subnet/subnet_contract.go
new file mode 100644
index 0000000..0cc9221
--- /dev/null
+++ b/subnet/subnet_contract.go
@@ -0,0 +1,44 @@
+package subnet
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/interop"
+	"github.com/nspcc-dev/neo-go/pkg/interop/contract"
+	"github.com/nspcc-dev/neo-go/pkg/interop/native/management"
+	"github.com/nspcc-dev/neo-go/pkg/interop/runtime"
+	"github.com/nspcc-dev/neo-go/pkg/interop/storage"
+	"github.com/nspcc-dev/neofs-contract/common"
+)
+
+const (
+	notaryDisabledKey = 'z'
+)
+
+// _deploy function sets up initial list of inner ring public keys.
+func _deploy(data interface{}, isUpdate bool) {
+	if isUpdate {
+		return
+	}
+
+	args := data.(struct {
+		notaryDisabled bool
+	})
+
+	ctx := storage.GetContext()
+	storage.Put(ctx, []byte{notaryDisabledKey}, args.notaryDisabled)
+}
+
+// Update method updates contract source code and manifest. Can be invoked
+// only by committee.
+func Update(script []byte, manifest []byte, data interface{}) {
+	if !common.HasUpdateAccess() {
+		panic("only committee can update contract")
+	}
+
+	contract.Call(interop.Hash160(management.Hash), "update", contract.All, script, manifest, data)
+	runtime.Log("subnet contract updated")
+}
+
+// Version returns version of the contract.
+func Version() int {
+	return common.Version
+}
diff --git a/tests/subnet_test.go b/tests/subnet_test.go
new file mode 100644
index 0000000..b5ed73b
--- /dev/null
+++ b/tests/subnet_test.go
@@ -0,0 +1,30 @@
+package tests
+
+import (
+	"path"
+	"testing"
+
+	"github.com/nspcc-dev/neo-go/pkg/neotest"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	"github.com/nspcc-dev/neofs-contract/common"
+)
+
+const subnetPath = "../subnet"
+
+func deploySubnetContract(t *testing.T, e *neotest.Executor) util.Uint160 {
+	c := neotest.CompileFile(t, e.CommitteeHash, subnetPath, path.Join(subnetPath, "config.yml"))
+	args := []interface{}{true}
+	e.DeployContract(t, c, args)
+	return c.Hash
+}
+
+func newSubnetInvoker(t *testing.T) *neotest.ContractInvoker {
+	e := newExecutor(t)
+	h := deploySubnetContract(t, e)
+	return e.CommitteeInvoker(h)
+}
+
+func TestSubnet_Version(t *testing.T) {
+	e := newSubnetInvoker(t)
+	e.Invoke(t, common.Version, "version")
+}