frostfs-contract/tests/netmap_test.go

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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
}
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,
}
}
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.OfflineState), 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([][]byte, len(nodes))
expected := make([][]byte, len(nodes))
for i := range nodes {
n, ok := arr[i].Value().([]stackitem.Item)
require.True(t, ok, "expected node struct")
require.Equal(t, 1, len(n), "expected single field")
raw, ok := n[0].Value().([]byte)
require.True(t, ok, "expected bytes")
actual[i] = raw
expected[i] = nodes[i].raw
}
require.ElementsMatch(t, expected, actual, "snapshot is different")
}
func TestUpdateStateIR(t *testing.T) {
cNm := newNetmapInvoker(t)
acc := cNm.NewAccount(t)
dummyInfo := dummyNodeInfo(acc)
cNm.Invoke(t, stackitem.Null{}, "addPeerIR", dummyInfo.raw)
pub := acc.(neotest.SingleSigner).Account().PrivateKey().PublicKey().Bytes()
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.OfflineState), pub)
})
t.Run("can't move online", func(t *testing.T) {
cNm.InvokeFail(t, "unsupported state", "updateStateIR", int64(netmap.OnlineState), 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.OfflineState), pub)
checkNetmapCandidates(t, cNm, 1)
// Move the second node in the maintenance state.
pub1 := acc1.(neotest.SingleSigner).Account().PrivateKey().PublicKey().Bytes()
cNm.Invoke(t, stackitem.Null{}, "updateStateIR", int64(netmap.MaintenanceState), pub1)
arr := checkNetmapCandidates(t, cNm, 1)
nn := arr[0].Value().([]stackitem.Item)
state, err := nn[1].TryInteger()
require.NoError(t, err)
require.Equal(t, int64(netmap.MaintenanceState), state.Int64())
}
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
}