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[#101] neofs: allow to register multiple candidates per block

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Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgenii Stratonikov 2021-11-16 13:03:51 +03:00 committed by Alex Vanin
parent ec95997f41
commit b2559857f6
2 changed files with 166 additions and 37 deletions
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65
neofs/neofs_contract.go
View file

@ -23,7 +23,8 @@ type (
)
const (
candidateFeeConfigKey = "InnerRingCandidateFee"
// CandidateFeeConfigKey contains fee for a candidate registration.
CandidateFeeConfigKey = "InnerRingCandidateFee"
withdrawFeeConfigKey = "WithdrawFee"
alphabetKey = "alphabet"
@ -48,6 +49,14 @@ var (
// _deploy sets up initial alphabet node keys.
func _deploy(data interface{}, isUpdate bool) {
if isUpdate {
ctx := storage.GetContext()
nodes := getNodes(ctx, candidatesKey)
storage.Delete(ctx, candidatesKey)
for i := range nodes {
key := append([]byte(candidatesKey), nodes[i].PublicKey...)
storage.Put(ctx, key, []byte{1})
}
return
}
@ -79,7 +88,6 @@ func _deploy(data interface{}, isUpdate bool) {
// initialize all storage slices
common.SetSerialized(ctx, alphabetKey, irList)
common.SetSerialized(ctx, candidatesKey, []common.IRNode{})
storage.Put(ctx, processingContractKey, addrProc)
@ -137,7 +145,14 @@ func AlphabetAddress() interop.Hash160 {
// candidate node key.
func InnerRingCandidates() []common.IRNode {
ctx := storage.GetReadOnlyContext()
return getNodes(ctx, candidatesKey)
nodes := []common.IRNode{}
it := storage.Find(ctx, candidatesKey, storage.KeysOnly|storage.RemovePrefix)
for iterator.Next(it) {
pub := iterator.Value(it).([]byte)
nodes = append(nodes, common.IRNode{PublicKey: pub})
}
return nodes
}
// InnerRingCandidateRemove removes key from the list of Inner Ring candidates.
@ -170,18 +185,6 @@ func InnerRingCandidateRemove(key interop.PublicKey) {
}
}
nodes := []common.IRNode{} // it is explicit declaration of empty slice, not nil
candidates := getNodes(ctx, candidatesKey)
for i := range candidates {
c := candidates[i]
if !common.BytesEqual(c.PublicKey, key) {
nodes = append(nodes, c)
} else {
runtime.Log("candidate has been removed")
}
}
if notaryDisabled && !keyOwner {
threshold := len(alphabet)*2/3 + 1
id := append(key, []byte("delete")...)
@ -195,7 +198,12 @@ func InnerRingCandidateRemove(key interop.PublicKey) {
common.RemoveVotes(ctx, hashID)
}
common.SetSerialized(ctx, candidatesKey, nodes)
prefix := []byte(candidatesKey)
stKey := append(prefix, key...)
if storage.Get(ctx, stKey) != nil {
storage.Delete(ctx, stKey)
runtime.Log("candidate has been removed")
}
}
// InnerRingCandidateAdd adds key to the list of Inner Ring candidates.
@ -208,25 +216,22 @@ func InnerRingCandidateAdd(key interop.PublicKey) {
common.CheckWitness(key)
c := common.IRNode{PublicKey: key}
candidates := getNodes(ctx, candidatesKey)
list, ok := addNode(candidates, c)
if !ok {
stKey := append([]byte(candidatesKey), key...)
if storage.Get(ctx, stKey) != nil {
panic("candidate already in the list")
}
from := contract.CreateStandardAccount(key)
to := runtime.GetExecutingScriptHash()
fee := getConfig(ctx, candidateFeeConfigKey).(int)
fee := getConfig(ctx, CandidateFeeConfigKey).(int)
transferred := gas.Transfer(from, to, fee, []byte(ignoreDepositNotification))
if !transferred {
panic("failed to transfer funds, aborting")
}
storage.Put(ctx, stKey, []byte{1})
runtime.Log("candidate has been added")
common.SetSerialized(ctx, candidatesKey, list)
}
// OnNEP17Payment is a callback for NEP-17 compatible native GAS contract.
@ -559,20 +564,6 @@ func setConfig(ctx storage.Context, key, val interface{}) {
storage.Put(ctx, storageKey, val)
}
// addNode returns slice of nodes with appended node 'n' and bool flag
// that set to false if node 'n' is already presented in the slice 'lst'.
func addNode(lst []common.IRNode, n common.IRNode) ([]common.IRNode, bool) {
for i := 0; i < len(lst); i++ {
if common.BytesEqual(n.PublicKey, lst[i].PublicKey) {
return nil, false
}
}
lst = append(lst, n)
return lst, true
}
// multiaddress returns multi signature address from list of IRNode structures
// with m = 2/3n+1.
func multiaddress(n []common.IRNode) []byte {

138
tests/neofs_test.go Normal file
View file

@ -0,0 +1,138 @@
package tests
import (
"bytes"
"path"
"sort"
"testing"
"github.com/nspcc-dev/neo-go/pkg/core/native/nativenames"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/neotest"
"github.com/nspcc-dev/neo-go/pkg/smartcontract"
"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/neo-go/pkg/wallet"
"github.com/nspcc-dev/neofs-contract/neofs"
"github.com/stretchr/testify/require"
)
const neofsPath = "../neofs"
func deployNeoFSContract(t *testing.T, e *neotest.Executor, addrProc util.Uint160,
pubs keys.PublicKeys, config ...interface{}) util.Uint160 {
args := make([]interface{}, 5)
args[0] = false
args[1] = addrProc
arr := make([]interface{}, len(pubs))
for i := range pubs {
arr[i] = pubs[i].Bytes()
}
args[2] = arr
args[3] = append([]interface{}{}, config...)
c := neotest.CompileFile(t, e.CommitteeHash, neofsPath, path.Join(neofsPath, "config.yml"))
e.DeployContract(t, c, args)
return c.Hash
}
func newNeoFSInvoker(t *testing.T, n int, config ...interface{}) (*neotest.ContractInvoker, keys.PublicKeys) {
e := newExecutor(t)
accounts := make([]*wallet.Account, n)
for i := 0; i < n; i++ {
acc, err := wallet.NewAccount()
require.NoError(t, err)
accounts[i] = acc
}
sort.Slice(accounts, func(i, j int) bool {
p1 := accounts[i].PrivateKey().PublicKey()
p2 := accounts[j].PrivateKey().PublicKey()
return p1.Cmp(p2) == -1
})
pubs := make(keys.PublicKeys, n)
for i := range accounts {
pubs[i] = accounts[i].PrivateKey().PublicKey()
}
m := smartcontract.GetMajorityHonestNodeCount(len(accounts))
for i := range accounts {
require.NoError(t, accounts[i].ConvertMultisig(m, pubs.Copy()))
}
alphabet := neotest.NewMultiSigner(accounts...)
h := deployNeoFSContract(t, e, util.Uint160{}, pubs, config...)
gasHash, err := e.Chain.GetNativeContractScriptHash(nativenames.Gas)
require.NoError(t, err)
vc := e.CommitteeInvoker(gasHash).WithSigners(e.Validator)
vc.Invoke(t, true, "transfer",
e.Validator.ScriptHash(), alphabet.ScriptHash(),
int64(10_0000_0000), nil)
return e.CommitteeInvoker(h).WithSigners(alphabet), pubs
}
func TestNeoFS_AlphabetList(t *testing.T) {
const alphabetSize = 4
e, pubs := newNeoFSInvoker(t, alphabetSize)
arr := make([]stackitem.Item, len(pubs))
for i := range arr {
arr[i] = stackitem.NewStruct([]stackitem.Item{
stackitem.NewByteArray(pubs[i].Bytes()),
})
}
e.Invoke(t, stackitem.NewArray(arr), "alphabetList")
}
func TestNeoFS_InnerRingCandidate(t *testing.T) {
e, _ := newNeoFSInvoker(t, 4, neofs.CandidateFeeConfigKey, int64(10))
const candidateCount = 3
accs := make([]neotest.Signer, candidateCount)
for i := range accs {
accs[i] = e.NewAccount(t)
}
arr := make([]stackitem.Item, candidateCount)
pubs := make([][]byte, candidateCount)
sort.Slice(accs, func(i, j int) bool {
s1 := accs[i].Script()
s2 := accs[j].Script()
return bytes.Compare(s1, s2) == -1
})
for i, acc := range accs {
cAcc := e.WithSigners(acc)
pub, ok := vm.ParseSignatureContract(acc.Script())
require.True(t, ok)
cAcc.Invoke(t, stackitem.Null{}, "innerRingCandidateAdd", pub)
cAcc.InvokeFail(t, "candidate already in the list", "innerRingCandidateAdd", pub)
pubs[i] = pub
arr[i] = stackitem.NewStruct([]stackitem.Item{stackitem.NewBuffer(pub)})
}
e.Invoke(t, stackitem.NewArray(arr), "innerRingCandidates")
cAcc := e.WithSigners(accs[1])
cAcc.Invoke(t, stackitem.Null{}, "innerRingCandidateRemove", pubs[1])
e.Invoke(t, stackitem.NewArray([]stackitem.Item{arr[0], arr[2]}), "innerRingCandidates")
cAcc = e.WithSigners(accs[2])
cAcc.Invoke(t, stackitem.Null{}, "innerRingCandidateRemove", pubs[2])
e.Invoke(t, stackitem.NewArray([]stackitem.Item{arr[0]}), "innerRingCandidates")
cAcc = e.WithSigners(accs[0])
cAcc.Invoke(t, stackitem.Null{}, "innerRingCandidateRemove", pubs[0])
e.Invoke(t, stackitem.NewArray([]stackitem.Item{}), "innerRingCandidates")
}