package tests import ( "math/big" "math/rand" "path" "strings" "testing" "github.com/nspcc-dev/neo-go/pkg/encoding/bigint" "github.com/nspcc-dev/neo-go/pkg/neotest" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/nspcc-dev/neofs-contract/common" "github.com/nspcc-dev/neofs-contract/container" "github.com/nspcc-dev/neofs-contract/netmap" "github.com/stretchr/testify/require" ) const netmapPath = "../netmap" func deployNetmapContract(t *testing.T, e *neotest.Executor, addrBalance, addrContainer util.Uint160, config ...interface{}) util.Uint160 { _, pubs, ok := vm.ParseMultiSigContract(e.Committee.Script()) require.True(t, ok) args := make([]interface{}, 5) args[0] = false args[1] = addrBalance args[2] = addrContainer args[3] = []interface{}{pubs[0]} args[4] = append([]interface{}{}, config...) c := neotest.CompileFile(t, e.CommitteeHash, netmapPath, path.Join(netmapPath, "config.yml")) e.DeployContract(t, c, args) return c.Hash } func newNetmapInvoker(t *testing.T, config ...interface{}) *neotest.ContractInvoker { e := newExecutor(t) ctrNNS := neotest.CompileFile(t, e.CommitteeHash, nnsPath, path.Join(nnsPath, "config.yml")) ctrNetmap := neotest.CompileFile(t, e.CommitteeHash, netmapPath, path.Join(netmapPath, "config.yml")) ctrBalance := neotest.CompileFile(t, e.CommitteeHash, balancePath, path.Join(balancePath, "config.yml")) ctrContainer := neotest.CompileFile(t, e.CommitteeHash, containerPath, path.Join(containerPath, "config.yml")) e.DeployContract(t, ctrNNS, nil) deployContainerContract(t, e, ctrNetmap.Hash, ctrBalance.Hash, ctrNNS.Hash) deployBalanceContract(t, e, ctrNetmap.Hash, ctrContainer.Hash) deployNetmapContract(t, e, ctrBalance.Hash, ctrContainer.Hash, config...) return e.CommitteeInvoker(ctrNetmap.Hash) } func TestDeploySetConfig(t *testing.T) { c := newNetmapInvoker(t, "SomeKey", "TheValue", container.AliasFeeKey, int64(123)) c.Invoke(t, "TheValue", "config", "SomeKey") c.Invoke(t, stackitem.NewByteArray(bigint.ToBytes(big.NewInt(123))), "config", container.AliasFeeKey) } type testNodeInfo struct { signer neotest.SingleSigner pub []byte raw []byte state netmap.NodeState } func dummyNodeInfo(acc neotest.Signer) testNodeInfo { ni := make([]byte, 66) rand.Read(ni) s := acc.(neotest.SingleSigner) pub := s.Account().PrivateKey().PublicKey().Bytes() copy(ni[2:], pub) return testNodeInfo{ signer: s, pub: pub, raw: ni, state: netmap.NodeStateOnline, } } func newStorageNode(t *testing.T, c *neotest.ContractInvoker) testNodeInfo { return dummyNodeInfo(c.NewAccount(t)) } func TestAddPeer(t *testing.T) { c := newNetmapInvoker(t) acc := c.NewAccount(t) cAcc := c.WithSigners(acc) dummyInfo := dummyNodeInfo(acc) acc1 := c.NewAccount(t) cAcc1 := c.WithSigners(acc1) cAcc1.InvokeFail(t, common.ErrWitnessFailed, "addPeer", dummyInfo.raw) h := cAcc.Invoke(t, stackitem.Null{}, "addPeer", dummyInfo.raw) aer := cAcc.CheckHalt(t, h) require.Equal(t, 0, len(aer.Events)) dummyInfo.raw[0] ^= 0xFF h = cAcc.Invoke(t, stackitem.Null{}, "addPeer", dummyInfo.raw) aer = cAcc.CheckHalt(t, h) require.Equal(t, 0, len(aer.Events)) c.InvokeFail(t, common.ErrWitnessFailed, "addPeer", dummyInfo.raw) c.Invoke(t, stackitem.Null{}, "addPeerIR", dummyInfo.raw) } func TestNewEpoch(t *testing.T) { rand.Seed(42) const epochCount = netmap.DefaultSnapshotCount * 2 cNm := newNetmapInvoker(t) nodes := make([][]testNodeInfo, epochCount) for i := range nodes { size := rand.Int()%5 + 1 arr := make([]testNodeInfo, size) for j := 0; j < size; j++ { arr[j] = newStorageNode(t, cNm) } nodes[i] = arr } for i := 0; i < epochCount; i++ { for _, tn := range nodes[i] { cNm.WithSigners(tn.signer).Invoke(t, stackitem.Null{}, "addPeer", tn.raw) cNm.Invoke(t, stackitem.Null{}, "addPeerIR", tn.raw) } if i > 0 { // Remove random nodes from the previous netmap. current := make([]testNodeInfo, 0, len(nodes[i])+len(nodes[i-1])) current = append(current, nodes[i]...) for j := range nodes[i-1] { if rand.Int()%3 == 0 { cNm.Invoke(t, stackitem.Null{}, "updateStateIR", int64(netmap.NodeStateOffline), nodes[i-1][j].pub) } else { current = append(current, nodes[i-1][j]) } } nodes[i] = current } cNm.Invoke(t, stackitem.Null{}, "newEpoch", i+1) t.Logf("Epoch: %d, Netmap()", i) s, err := cNm.TestInvoke(t, "netmap") require.NoError(t, err) require.Equal(t, 1, s.Len()) checkSnapshot(t, s, nodes[i]) for j := 0; j <= i && j < netmap.DefaultSnapshotCount; j++ { t.Logf("Epoch: %d, diff: %d", i, j) checkSnapshotAt(t, j, cNm, nodes[i-j]) } _, err = cNm.TestInvoke(t, "snapshot", netmap.DefaultSnapshotCount) require.Error(t, err) require.True(t, strings.Contains(err.Error(), "incorrect diff")) _, err = cNm.TestInvoke(t, "snapshot", -1) require.Error(t, err) require.True(t, strings.Contains(err.Error(), "incorrect diff")) } } func TestUpdateSnapshotCount(t *testing.T) { rand.Seed(42) require.True(t, netmap.DefaultSnapshotCount > 5) // sanity check, adjust tests if false. prepare := func(t *testing.T, cNm *neotest.ContractInvoker, epochCount int) [][]testNodeInfo { nodes := make([][]testNodeInfo, epochCount) nodes[0] = []testNodeInfo{newStorageNode(t, cNm)} cNm.Invoke(t, stackitem.Null{}, "addPeerIR", nodes[0][0].raw) cNm.Invoke(t, stackitem.Null{}, "newEpoch", 1) for i := 1; i < len(nodes); i++ { sn := newStorageNode(t, cNm) nodes[i] = append(nodes[i-1], sn) cNm.Invoke(t, stackitem.Null{}, "addPeerIR", sn.raw) cNm.Invoke(t, stackitem.Null{}, "newEpoch", i+1) } return nodes } t.Run("increase size, extend with nil", func(t *testing.T) { // Before: S-old .. S // After : S-old .. S nil nil ... const epochCount = netmap.DefaultSnapshotCount / 2 cNm := newNetmapInvoker(t) nodes := prepare(t, cNm, epochCount) const newCount = netmap.DefaultSnapshotCount + 3 cNm.Invoke(t, stackitem.Null{}, "updateSnapshotCount", newCount) s, err := cNm.TestInvoke(t, "netmap") require.NoError(t, err) require.Equal(t, 1, s.Len()) checkSnapshot(t, s, nodes[epochCount-1]) for i := 0; i < epochCount; i++ { checkSnapshotAt(t, i, cNm, nodes[epochCount-i-1]) } for i := epochCount; i < newCount; i++ { checkSnapshotAt(t, i, cNm, nil) } _, err = cNm.TestInvoke(t, "snapshot", int64(newCount)) require.Error(t, err) }) t.Run("increase size, copy old snapshots", func(t *testing.T) { // Before: S-x .. S S-old ... // After : S-x .. S nil nil S-old ... const epochCount = netmap.DefaultSnapshotCount + netmap.DefaultSnapshotCount/2 cNm := newNetmapInvoker(t) nodes := prepare(t, cNm, epochCount) const newCount = netmap.DefaultSnapshotCount + 3 cNm.Invoke(t, stackitem.Null{}, "updateSnapshotCount", newCount) s, err := cNm.TestInvoke(t, "netmap") require.NoError(t, err) require.Equal(t, 1, s.Len()) checkSnapshot(t, s, nodes[epochCount-1]) for i := 0; i < newCount-3; i++ { checkSnapshotAt(t, i, cNm, nodes[epochCount-i-1]) } for i := newCount - 3; i < newCount; i++ { checkSnapshotAt(t, i, cNm, nil) } _, err = cNm.TestInvoke(t, "snapshot", int64(newCount)) require.Error(t, err) }) t.Run("decrease size, small decrease", func(t *testing.T) { // Before: S-x .. S S-old ... ... // After : S-x .. S S-new ... const epochCount = netmap.DefaultSnapshotCount + netmap.DefaultSnapshotCount/2 cNm := newNetmapInvoker(t) nodes := prepare(t, cNm, epochCount) const newCount = netmap.DefaultSnapshotCount/2 + 2 cNm.Invoke(t, stackitem.Null{}, "updateSnapshotCount", newCount) s, err := cNm.TestInvoke(t, "netmap") require.NoError(t, err) require.Equal(t, 1, s.Len()) checkSnapshot(t, s, nodes[epochCount-1]) for i := 0; i < newCount; i++ { checkSnapshotAt(t, i, cNm, nodes[epochCount-i-1]) } _, err = cNm.TestInvoke(t, "snapshot", int64(newCount)) require.Error(t, err) }) t.Run("decrease size, big decrease", func(t *testing.T) { // Before: S-x ... ... S S-old ... ... // After : S-new ... S const epochCount = netmap.DefaultSnapshotCount + netmap.DefaultSnapshotCount/2 cNm := newNetmapInvoker(t) nodes := prepare(t, cNm, epochCount) const newCount = netmap.DefaultSnapshotCount/2 - 2 cNm.Invoke(t, stackitem.Null{}, "updateSnapshotCount", newCount) s, err := cNm.TestInvoke(t, "netmap") require.NoError(t, err) require.Equal(t, 1, s.Len()) checkSnapshot(t, s, nodes[epochCount-1]) for i := 0; i < newCount; i++ { checkSnapshotAt(t, i, cNm, nodes[epochCount-i-1]) } _, err = cNm.TestInvoke(t, "snapshot", int64(newCount)) require.Error(t, err) }) } func checkSnapshotAt(t *testing.T, epoch int, cNm *neotest.ContractInvoker, nodes []testNodeInfo) { s, err := cNm.TestInvoke(t, "snapshot", int64(epoch)) require.NoError(t, err) require.Equal(t, 1, s.Len()) checkSnapshot(t, s, nodes) } func checkSnapshot(t *testing.T, s *vm.Stack, nodes []testNodeInfo) { arr, ok := s.Pop().Value().([]stackitem.Item) require.True(t, ok, "expected array") require.Equal(t, len(nodes), len(arr), "expected %d nodes", len(nodes)) actual := make([]netmap.Node, len(nodes)) expected := make([]netmap.Node, len(nodes)) for i := range nodes { n, ok := arr[i].Value().([]stackitem.Item) require.True(t, ok, "expected node struct") require.Equalf(t, 2, len(n), "expected %d field(s)", 2) require.IsType(t, []byte{}, n[0].Value()) state, err := n[1].TryInteger() require.NoError(t, err) actual[i].BLOB = n[0].Value().([]byte) actual[i].State = netmap.NodeState(state.Int64()) expected[i].BLOB = nodes[i].raw expected[i].State = nodes[i].state } require.ElementsMatch(t, expected, actual, "snapshot is different") } func TestUpdateStateIR(t *testing.T) { cNm := newNetmapInvoker(t) acc := cNm.NewAccount(t) pub := acc.(neotest.SingleSigner).Account().PrivateKey().PublicKey().Bytes() t.Run("can't move online, need addPeerIR", func(t *testing.T) { cNm.InvokeFail(t, "peer is missing", "updateStateIR", int64(netmap.NodeStateOnline), pub) }) dummyInfo := dummyNodeInfo(acc) cNm.Invoke(t, stackitem.Null{}, "addPeerIR", dummyInfo.raw) acc1 := cNm.NewAccount(t) dummyInfo1 := dummyNodeInfo(acc1) cNm.Invoke(t, stackitem.Null{}, "addPeerIR", dummyInfo1.raw) t.Run("must be signed by the alphabet", func(t *testing.T) { cAcc := cNm.WithSigners(acc) cAcc.InvokeFail(t, common.ErrAlphabetWitnessFailed, "updateStateIR", int64(netmap.NodeStateOffline), pub) }) t.Run("invalid state", func(t *testing.T) { cNm.InvokeFail(t, "unsupported state", "updateStateIR", int64(42), pub) }) checkNetmapCandidates(t, cNm, 2) // Move the first node offline. cNm.Invoke(t, stackitem.Null{}, "updateStateIR", int64(netmap.NodeStateOffline), pub) checkNetmapCandidates(t, cNm, 1) checkState := func(expected netmap.NodeState) { arr := checkNetmapCandidates(t, cNm, 1) nn := arr[0].Value().([]stackitem.Item) state, err := nn[1].TryInteger() require.NoError(t, err) require.Equal(t, int64(expected), state.Int64()) } // Move the second node in the maintenance state. pub1 := acc1.(neotest.SingleSigner).Account().PrivateKey().PublicKey().Bytes() t.Run("maintenance -> add peer", func(t *testing.T) { cNm.Invoke(t, stackitem.Null{}, "updateStateIR", int64(netmap.NodeStateMaintenance), pub1) checkState(netmap.NodeStateMaintenance) cNm.Invoke(t, stackitem.Null{}, "addPeerIR", dummyInfo1.raw) checkState(netmap.NodeStateOnline) }) t.Run("maintenance -> online", func(t *testing.T) { cNm.Invoke(t, stackitem.Null{}, "updateStateIR", int64(netmap.NodeStateMaintenance), pub1) checkState(netmap.NodeStateMaintenance) cNm.Invoke(t, stackitem.Null{}, "updateStateIR", int64(netmap.NodeStateOnline), pub1) checkState(netmap.NodeStateOnline) }) } func TestUpdateState(t *testing.T) { cNm := newNetmapInvoker(t) accs := []neotest.Signer{cNm.NewAccount(t), cNm.NewAccount(t)} pubs := make([][]byte, len(accs)) for i := range accs { dummyInfo := dummyNodeInfo(accs[i]) cNm.Invoke(t, stackitem.Null{}, "addPeerIR", dummyInfo.raw) pubs[i] = accs[i].(neotest.SingleSigner).Account().PrivateKey().PublicKey().Bytes() } t.Run("missing witness", func(t *testing.T) { cAcc := cNm.WithSigners(accs[0]) cNm.InvokeFail(t, common.ErrWitnessFailed, "updateState", int64(2), pubs[0]) cAcc.InvokeFail(t, common.ErrAlphabetWitnessFailed, "updateState", int64(2), pubs[0]) cAcc.InvokeFail(t, common.ErrWitnessFailed, "updateState", int64(2), pubs[1]) }) checkNetmapCandidates(t, cNm, 2) cBoth := cNm.WithSigners(accs[0], cNm.Committee) cBoth.Invoke(t, stackitem.Null{}, "updateState", int64(2), pubs[0]) checkNetmapCandidates(t, cNm, 1) t.Run("remove already removed node", func(t *testing.T) { cBoth.Invoke(t, stackitem.Null{}, "updateState", int64(2), pubs[0]) checkNetmapCandidates(t, cNm, 1) }) cBoth = cNm.WithSigners(accs[1], cNm.Committee) cBoth.Invoke(t, stackitem.Null{}, "updateState", int64(2), pubs[1]) checkNetmapCandidates(t, cNm, 0) } func checkNetmapCandidates(t *testing.T, c *neotest.ContractInvoker, size int) []stackitem.Item { s, err := c.TestInvoke(t, "netmapCandidates") require.NoError(t, err) require.Equal(t, 1, s.Len()) arr, ok := s.Pop().Value().([]stackitem.Item) require.True(t, ok) require.Equal(t, size, len(arr)) return arr }