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[#51] netmap: Support notary contract

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Signed-off-by: Alex Vanin <alexey@nspcc.ru>
This commit is contained in:
Alex Vanin 2021-02-19 18:52:27 +03:00 committed by Alex Vanin
parent b17337b8e5
commit 28a9e2842f
1 changed files with 30 additions and 85 deletions
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79
netmap/netmap_contract.go
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@ -82,7 +82,6 @@ func Init(owner interop.Hash160, keys [][]byte) {
common.SetSerialized(ctx, netmapKey, []netmapNode{})
common.SetSerialized(ctx, snapshot0Key, []netmapNode{})
common.SetSerialized(ctx, snapshot1Key, []netmapNode{})
common.InitVote(ctx)
runtime.Log("netmap contract initialized")
}
@ -108,11 +107,8 @@ func Multiaddress() []byte {
}
func UpdateInnerRing(keys [][]byte) bool {
innerRing := getIRNodes(ctx)
threshold := len(innerRing)/3*2 + 1
irKey := common.InnerRingInvoker(innerRing)
if len(irKey) == 0 {
multiaddr := Multiaddress()
if !runtime.CheckWitness(multiaddr) {
panic("updateInnerRing: this method must be invoked by inner ring nodes")
}
@ -123,27 +119,15 @@ func UpdateInnerRing(keys [][]byte) bool {
irList = append(irList, common.IRNode{PublicKey: key})
}
rawIRList := binary.Serialize(irList)
hashIRList := crypto.SHA256(rawIRList)
n := common.Vote(ctx, hashIRList, irKey)
if n >= threshold {
runtime.Log("updateInnerRing: inner ring list updated")
common.SetSerialized(ctx, innerRingKey, irList)
common.RemoveVotes(ctx, hashIRList)
} else {
runtime.Log("updateInnerRing: processed invoke from inner ring")
}
return true
}
func AddPeer(nodeInfo []byte) bool {
innerRing := getIRNodes(ctx)
threshold := len(innerRing)/3*2 + 1
irKey := common.InnerRingInvoker(innerRing)
if len(irKey) == 0 {
multiaddr := Multiaddress()
if !runtime.CheckWitness(multiaddr) {
publicKey := nodeInfo[2:35] // offset:2, len:33
if !runtime.CheckWitness(publicKey) {
panic("addPeer: witness check failed")
@ -155,23 +139,15 @@ func AddPeer(nodeInfo []byte) bool {
candidate := storageNode{
info: nodeInfo,
}
rawCandidate := binary.Serialize(candidate)
hashCandidate := crypto.SHA256(rawCandidate)
nm := addToNetmap(ctx, candidate)
n := common.Vote(ctx, hashCandidate, irKey)
if n >= threshold {
if nm == nil {
runtime.Log("addPeer: storage node already in the netmap")
} else {
common.SetSerialized(ctx, netmapKey, nm)
runtime.Log("addPeer: add storage node to the network map")
}
common.RemoveVotes(ctx, hashCandidate)
} else {
runtime.Log("addPeer: processed invoke from inner ring")
}
return true
}
@ -181,31 +157,22 @@ func UpdateState(state int, publicKey []byte) bool {
panic("updateState: incorrect public key")
}
innerRing := getIRNodes(ctx)
threshold := len(innerRing)/3*2 + 1
irKey := common.InnerRingInvoker(innerRing)
if len(irKey) == 0 {
multiaddr := Multiaddress()
if !runtime.CheckWitness(multiaddr) {
if !runtime.CheckWitness(publicKey) {
panic("updateState: witness check failed")
}
runtime.Notify("UpdateState", state, publicKey)
return true
}
switch nodeState(state) {
case offlineState:
newNetmap := removeFromNetmap(ctx, publicKey)
hashID := common.InvokeID([]interface{}{publicKey}, []byte("delete"))
n := common.Vote(ctx, hashID, irKey)
if n >= threshold {
runtime.Log("updateState: remove storage node from the network map")
common.SetSerialized(ctx, netmapKey, newNetmap)
common.RemoveVotes(ctx, hashID)
} else {
runtime.Log("updateState: processed invoke from inner ring")
}
default:
panic("updateState: unsupported state")
}
@ -214,11 +181,8 @@ func UpdateState(state int, publicKey []byte) bool {
}
func NewEpoch(epochNum int) bool {
innerRing := getIRNodes(ctx)
threshold := len(innerRing)/3*2 + 1
irKey := common.InnerRingInvoker(innerRing)
if len(irKey) == 0 {
multiaddr := Multiaddress()
if !runtime.CheckWitness(multiaddr) {
panic("newEpoch: this method must be invoked by inner ring nodes")
}
@ -230,10 +194,6 @@ func NewEpoch(epochNum int) bool {
data0snapshot := getSnapshot(ctx, snapshot0Key)
dataOnlineState := filterNetmap(ctx, onlineState)
hashID := common.InvokeID([]interface{}{epochNum}, []byte("epoch"))
n := common.Vote(ctx, hashID, irKey)
if n >= threshold {
runtime.Log("newEpoch: process new epoch")
// todo: check if provided epoch number is bigger than current
@ -245,11 +205,7 @@ func NewEpoch(epochNum int) bool {
// put netmap into actual snapshot
common.SetSerialized(ctx, snapshot0Key, dataOnlineState)
common.RemoveVotes(ctx, hashID)
runtime.Notify("NewEpoch", epochNum)
} else {
runtime.Log("newEpoch: processed invoke from inner ring")
}
return true
}
@ -287,25 +243,14 @@ func Config(key []byte) interface{} {
}
func SetConfig(id, key, val []byte) bool {
// check if it is inner ring invocation
innerRing := getIRNodes(ctx)
threshold := len(innerRing)/3*2 + 1
irKey := common.InnerRingInvoker(innerRing)
if len(irKey) == 0 {
multiaddr := Multiaddress()
if !runtime.CheckWitness(multiaddr) {
panic("setConfig: invoked by non inner ring node")
}
// check unique id of the operation
hashID := common.InvokeID([]interface{}{id, key, val}, []byte("config"))
n := common.Vote(ctx, hashID, irKey)
if n >= threshold {
common.RemoveVotes(ctx, hashID)
setConfig(ctx, key, val)
runtime.Log("setConfig: configuration has been updated")
}
return true
}