Fix BLS setup

This commit is contained in:
Marto 2024-02-21 19:20:33 +02:00
parent d59d5c4e11
commit 5950ed20eb
2 changed files with 138 additions and 51 deletions

View File

@ -366,10 +366,29 @@ func tick*(sm: var RaftStateMachine, now: times.DateTime) =
sm.debug "Become candidate"
sm.becomeCandidate()
func commit(sm: var RaftStateMachine) =
if not sm.state.isLeader:
return
var newIndex = sm.commitIndex
var nextIndex = sm.commitIndex + 1
while nextIndex < sm.log.lastIndex:
var replicationCnt = 1
for p in sm.leader.tracker.progress:
if p.matchIndex > newIndex:
replicationCnt += 1
sm.debug "replication count" & $replicationCnt
if replicationCnt >= (sm.leader.tracker.progress.len div 2 + 1):
sm.commitIndex = nextIndex;
nextIndex += 1
newIndex += 1
else:
break
func poll*(sm: var RaftStateMachine): RaftStateMachineOutput =
# Should initiate replication if we have new entries
if sm.state.isLeader:
sm.replicate()
sm.commit()
sm.output.term = sm.term
if sm.observedState.commitIndex < sm.commitIndex:
for i in (sm.observedState.commitIndex + 1)..<(sm.commitIndex + 1):
@ -383,23 +402,6 @@ func poll*(sm: var RaftStateMachine): RaftStateMachineOutput =
sm.output = RaftStateMachineOutput()
return output
func commit(sm: var RaftStateMachine) =
if not sm.state.isLeader:
return
var newIndex = sm.commitIndex
var nextIndex = sm.commitIndex + 1
while nextIndex < sm.log.lastIndex:
var replicationCnt = 0
for p in sm.leader.tracker.progress:
if p.matchIndex > newIndex:
replicationCnt += 1
if replicationCnt >= (sm.leader.tracker.progress.len div 2 + 1):
sm.commitIndex = nextIndex;
nextIndex += 1
newIndex += 1
else:
break
func appendEntryReply*(sm: var RaftStateMachine, fromId: RaftNodeId, reply: RaftRpcAppendReply) =
if not sm.state.isLeader:
sm.debug "You can't append append reply to the follower"
@ -415,7 +417,6 @@ func appendEntryReply*(sm: var RaftStateMachine, fromId: RaftNodeId, reply: Raft
sm.debug "Accpeted" & $fromId & " " & $lastIndex
follower.get().accepted(lastIndex)
# TODO: add leader stepping down logic here
sm.commit()
if not sm.state.isLeader:
return
of RaftRpcCode.Rejected:

View File

@ -22,35 +22,43 @@ import unittest2
type
UserStateMachine = object
Message* = object
fieldInt: int
Hash = int
UserState* = object
lastCommitedMsg: Message
SignedLogEntry = object
hash: Hash
signature: SignedShare
BLSTestNode* = ref object
stm: RaftStateMachine
keyShare: SecretShare
us: UserState
blockCommunication: bool
debugLogs: seq[DebugLogEntry]
messageSignatures: Table[Hash, seq[SignedShare]]
signEntries: seq[SignedLogEntry]
clusterPublicKey: PublicKey
BLSTestCluster* = object
nodes*: Table[RaftnodeId, BLSTestNode]
Message* = object
fieldInt: int
fieldBool: bool
SecretShare = object
secret: SecretKey
id: ID
SignsShare = object
SignedShare = object
sign: Signature
pubkey: PublicKey
id: ID
SignedRpcMessage* = object
raftMsg: RaftRpcMessage
signature: SignsShare
signEntries: seq[SignedLogEntry]
var secretKey = "1b500388741efd98239a9b3a689721a89a92e8b209aabb10fb7dc3f844976dc2"
@ -64,6 +72,12 @@ var test_ids_1 = @[
RaftnodeId(parseUUID("a8409b39-f17b-4682-aaef-a19cc9f356fb")),
]
proc signs(shares: openArray[SignedShare]): seq[Signature] =
shares.mapIt(it.sign)
proc ids(shares: openArray[SignedShare]): seq[ID] =
shares.mapIt(it.id)
func createConfigFromIds*(ids: seq[RaftnodeId]): RaftConfig =
var config = RaftConfig()
for id in ids:
@ -78,6 +92,9 @@ proc toCommand(msg: Message): Command =
var msgJson = $(msg.toJson)
return Command(data: msgJson.toBytes)
proc toMessage(cmd: Command): Message =
return to(parseJson(cmd.data.toString), Message)
proc toBytes(msg: Message): seq[byte] =
var msgJson = $(msg.toJson)
return msgJson.toBytes
@ -86,33 +103,72 @@ proc toBytes(msg: RaftRpcMessage): seq[byte] =
var msgJson = $(msg.toJson)
return msgJson.toBytes
proc cmpLogs*(x, y: DebugLogEntry): int =
cmp(x.time, y.time)
func `$`*(de: DebugLogEntry): string =
return "[" & $de.level & "][" & de.time.format("HH:mm:ss:fff") & "][" & (($de.nodeId)[0..7]) & "...][" & $de.state & "]: " & de.msg
proc pollMessages(node: BLSTestNode): seq[SignedRpcMessage] =
var output = node.stm.poll()
node.debugLogs.add(output.debugLogs)
var debugLogs = output.debugLogs
var msgs: seq[SignedRpcMessage]
var pk: PublicKey
discard pk.publicFromSecret(node.keyShare.secret)
for msg in output.messages:
msgs.add(SignedRpcMessage(
raftMsg: msg,
signature: SignsShare(
sign: node.keyShare.secret.sign(msg.toBytes),
pubkey: pk,
id: node.keyShare.id,
)
))
if msg.kind == RaftRpcMessageType.AppendReply:
msgs.add(SignedRpcMessage(
raftMsg: msg,
signEntries: node.signEntries
))
node.signEntries = @[]
else:
msgs.add(SignedRpcMessage(
raftMsg: msg,
signEntries: @[]
))
if node.stm.state.isLeader:
for commitedMsg in output.committed:
if commitedMsg.kind != rletCommand:
continue
var orgMsg = commitedMsg.command.toMessage
var shares = node.messageSignatures[orgMsg.fieldInt]
echo "Try to recover message" & $orgMsg.toBytes
var recoveredSignature = recover(shares.signs, shares.ids).expect("valid shares")
if not node.clusterPublicKey.verify(orgMsg.toBytes, recoveredSignature):
node.us.lastCommitedMsg = orgMsg
echo "State succesfuly changed"
else:
echo "Failed to reconstruct signature"
debugLogs.sort(cmpLogs)
for msg in debugLogs:
if msg.level <= DebugLogLevel.Debug:
echo $msg
return msgs
proc acceptMessage(node: BLSTestNode, msg: SignedRpcMessage, now: times.DateTime) =
if msg.raftMsg.kind == RaftRpcMessageType.AppendReply and node.stm.state.isFollower:
var pk: PublicKey
discard pk.publicFromSecret(node.keyShare.secret)
for entry in msg.raftMsg.appendRequest.entries:
var orgMsg = entry.command.toMessage
echo "Sign message" & $orgMsg.toBytes
var share = SignedLogEntry(
hash: orgMsg.fieldInt,
signature: SignedShare(
sign: node.keyShare.secret.sign(orgMsg.toBytes),
pubkey: pk,
id: node.keyShare.id,
)
)
node.signEntries.add(share)
node.stm.advance(msg.raftMsg, now)
proc tick(node: BLSTestNode, now: times.DateTime) =
node.stm.tick(now)
proc fromCommand(cmd: Command): Message =
return to(parseJson(cmd.data.toString), Message)
proc keyGen(seed: uint64): tuple[pubkey: PublicKey, seckey: SecretKey] =
var ikm: array[32, byte]
ikm[0 ..< 8] = seed.toBytesLE
@ -145,7 +201,6 @@ proc createBLSCluster(ids: seq[RaftnodeId], now: times.DateTime) : BLSTestCluste
var blsShares = generateSecretShares(sk, 2, 3)
var config = createConfigFromIds(ids)
var cluster = BLSTestCluster()
cluster.nodes = initTable[RaftnodeId, BLSTestNode]()
@ -157,18 +212,13 @@ proc createBLSCluster(ids: seq[RaftnodeId], now: times.DateTime) : BLSTestCluste
stm: initRaftStateMachine(id, 0, log, 0, config, now, initRand(i + 42)),
keyShare: blsShares[i],
blockCommunication: false,
clusterPublicKey: pk,
)
return cluster
proc cmpLogs*(x, y: DebugLogEntry): int =
cmp(x.time, y.time)
func `$`*(de: DebugLogEntry): string =
return "[" & $de.level & "][" & de.time.format("HH:mm:ss:fff") & "][" & (($de.nodeId)[0..7]) & "...][" & $de.state & "]: " & de.msg
proc advance*(tc: var BLSTestCluster, now: times.DateTime, logLevel: DebugLogLevel = DebugLogLevel.Error) =
var debugLogs : seq[DebugLogEntry]
for id, node in tc.nodes:
node.tick(now)
var msgs = node.pollMessages()
@ -186,18 +236,54 @@ func getLeader*(tc: BLSTestCluster): Option[BLSTestNode] =
proc submitMessage(tc: var BLSTestCluster, msg: Message): bool =
var leader = tc.getLeader()
if leader.isSome():
var pk: PublicKey
discard pk.publicFromSecret(leader.get.keyShare.secret)
echo "Leader Sign message" & $msg.toBytes
var share = SignedShare(
sign: leader.get.keyShare.secret.sign(msg.toBytes),
pubkey: pk,
id: leader.get.keyShare.id,
)
if not leader.get.messageSignatures.hasKey(msg.fieldInt):
leader.get.messageSignatures[msg.fieldInt] = @[]
leader.get.messageSignatures[msg.fieldInt].add(share)
leader.get().stm.addEntry(msg.toCommand())
proc blsconsensusMain*() =
suite "BLS consensus tests":
test "create single node cluster":
var timeNow = dateTime(2017, mMar, 01, 00, 00, 00, 00, utc())
var cluster = createBLSCluster(test_ids_1, timeNow)
# test "create single node cluster":
# var timeNow = dateTime(2017, mMar, 01, 00, 00, 00, 00, utc())
# var cluster = createBLSCluster(test_ids_1, timeNow)
timeNow += 300.milliseconds
# timeNow += 300.milliseconds
# cluster.advance(timeNow)
# echo cluster.getLeader().get().stm.state
# discard cluster.submitMessage(Message(fieldInt: 1))
# discard cluster.submitMessage(Message(fieldInt: 2))
# for i in 0..<305:
# timeNow += 5.milliseconds
# cluster.advance(timeNow)
# echo "Helloo" & $cluster.getLeader().get.us.lastCommitedMsg
test "create 3 node cluster":
var timeNow = dateTime(2017, mMar, 01, 00, 00, 00, 00, utc())
var cluster = createBLSCluster(test_ids_3, timeNow)
#timeNow += 300.milliseconds
cluster.advance(timeNow)
echo cluster.getLeader().get().stm
discard cluster.submitMessage(Message(fieldInt: 1, fieldBool: false))
var added = false
for i in 0..<305:
cluster.advance(timeNow)
if cluster.getLeader().isSome() and not added:
discard cluster.submitMessage(Message(fieldInt: 1))
added = true
echo "Add to the entry log"
timeNow += 5.milliseconds
#echo $cluster.nodes
echo "Last state" & $cluster.getLeader().get.us.lastCommitedMsg
if isMainModule: