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cli: read new config on signal and check ProtocolConfiguration

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ProtocolConfiguration must remain the same, any errors mean that the signal
will be ignored.
This commit is contained in:
Roman Khimov 2022-07-26 15:18:30 +03:00
parent 1ff588a11b
commit 3fca3352d8
3 changed files with 159 additions and 1 deletions
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11
cli/server/server.go
View file

@ -528,9 +528,18 @@ Main:
shutdownErr = fmt.Errorf("server error: %w", err)
cancel()
case sig := <-sighupCh:
log.Info("signal received", zap.Stringer("name", sig))
cfgnew, err := getConfigFromContext(ctx)
if err != nil {
log.Warn("can't reread the config file, signal ignored", zap.Error(err))
break // Continue working.
}
if !cfg.ProtocolConfiguration.Equals(&cfgnew.ProtocolConfiguration) {
log.Warn("ProtocolConfiguration changed, signal ignored")
break // Continue working.
}
switch sig {
case syscall.SIGHUP:
log.Info("SIGHUP received, restarting rpc-server")
rpcServer.Shutdown()
rpcServer = rpcsrv.New(chain, cfg.ApplicationConfiguration.RPC, serv, oracleSrv, log, errChan)
serv.AddService(&rpcServer) // Replaces old one by service name.

75
pkg/config/protocol_config.go
View file

@ -196,3 +196,78 @@ func (p *ProtocolConfiguration) GetNumOfCNs(height uint32) int {
func (p *ProtocolConfiguration) ShouldUpdateCommitteeAt(height uint32) bool {
return height%uint32(p.GetCommitteeSize(height)) == 0
}
// Equals allows to compare two ProtocolConfiguration instances, returns true if
// they're equal.
func (p *ProtocolConfiguration) Equals(o *ProtocolConfiguration) bool {
if p.GarbageCollectionPeriod != o.GarbageCollectionPeriod ||
p.InitialGASSupply != o.InitialGASSupply ||
p.KeepOnlyLatestState != o.KeepOnlyLatestState ||
p.Magic != o.Magic ||
p.MaxBlockSize != o.MaxBlockSize ||
p.MaxBlockSystemFee != o.MaxBlockSystemFee ||
p.MaxTraceableBlocks != o.MaxTraceableBlocks ||
p.MaxTransactionsPerBlock != o.MaxTransactionsPerBlock ||
p.MaxValidUntilBlockIncrement != o.MaxValidUntilBlockIncrement ||
p.MemPoolSize != o.MemPoolSize ||
p.P2PNotaryRequestPayloadPoolSize != o.P2PNotaryRequestPayloadPoolSize ||
p.P2PSigExtensions != o.P2PSigExtensions ||
p.P2PStateExchangeExtensions != o.P2PStateExchangeExtensions ||
p.RemoveUntraceableBlocks != o.RemoveUntraceableBlocks ||
p.ReservedAttributes != o.ReservedAttributes ||
p.SaveStorageBatch != o.SaveStorageBatch ||
p.SecondsPerBlock != o.SecondsPerBlock ||
p.StateRootInHeader != o.StateRootInHeader ||
p.StateSyncInterval != o.StateSyncInterval ||
p.ValidatorsCount != o.ValidatorsCount ||
p.VerifyBlocks != o.VerifyBlocks ||
p.VerifyTransactions != o.VerifyTransactions ||
len(p.CommitteeHistory) != len(o.CommitteeHistory) ||
len(p.Hardforks) != len(o.Hardforks) ||
len(p.NativeUpdateHistories) != len(o.NativeUpdateHistories) ||
len(p.SeedList) != len(o.SeedList) ||
len(p.StandbyCommittee) != len(o.StandbyCommittee) ||
len(p.ValidatorsHistory) != len(o.ValidatorsHistory) {
return false
}
for k, v := range p.CommitteeHistory {
vo, ok := o.CommitteeHistory[k]
if !ok || v != vo {
return false
}
}
for k, v := range p.Hardforks {
vo, ok := o.Hardforks[k]
if !ok || v != vo {
return false
}
}
for k, v := range p.NativeUpdateHistories {
vo := o.NativeUpdateHistories[k]
if len(v) != len(vo) {
return false
}
for i := range v {
if v[i] != vo[i] {
return false
}
}
}
for i := range p.SeedList {
if p.SeedList[i] != o.SeedList[i] {
return false
}
}
for i := range p.StandbyCommittee {
if p.StandbyCommittee[i] != o.StandbyCommittee[i] {
return false
}
}
for k, v := range p.ValidatorsHistory {
vo, ok := o.ValidatorsHistory[k]
if !ok || v != vo {
return false
}
}
return true
}

74
pkg/config/protocol_config_test.go
View file

@ -1,6 +1,7 @@
package config
import (
"path/filepath"
"testing"
"github.com/stretchr/testify/require"
@ -143,3 +144,76 @@ func TestGetCommitteeAndCNs(t *testing.T) {
require.Equal(t, 4, p.GetNumOfCNs(200))
require.Equal(t, 4, p.GetNumOfCNs(201))
}
func TestProtocolConfigurationEquals(t *testing.T) {
p := &ProtocolConfiguration{}
o := &ProtocolConfiguration{}
require.True(t, p.Equals(o))
require.True(t, o.Equals(p))
require.True(t, p.Equals(p))
cfg1, err := LoadFile(filepath.Join("..", "..", "config", "protocol.mainnet.yml"))
require.NoError(t, err)
cfg2, err := LoadFile(filepath.Join("..", "..", "config", "protocol.testnet.yml"))
require.NoError(t, err)
require.False(t, cfg1.ProtocolConfiguration.Equals(&cfg2.ProtocolConfiguration))
cfg2, err = LoadFile(filepath.Join("..", "..", "config", "protocol.mainnet.yml"))
require.NoError(t, err)
p = &cfg1.ProtocolConfiguration
o = &cfg2.ProtocolConfiguration
require.True(t, p.Equals(o))
o.CommitteeHistory = map[uint32]int{111: 7}
p.CommitteeHistory = map[uint32]int{111: 7}
require.True(t, p.Equals(o))
p.CommitteeHistory[111] = 8
require.False(t, p.Equals(o))
o.CommitteeHistory = nil
p.CommitteeHistory = nil
p.Hardforks = map[string]uint32{"Fork": 42}
o.Hardforks = map[string]uint32{"Fork": 42}
require.True(t, p.Equals(o))
p.Hardforks = map[string]uint32{"Fork2": 42}
require.False(t, p.Equals(o))
p.Hardforks = nil
o.Hardforks = nil
p.NativeUpdateHistories = map[string][]uint32{"Contract": {1, 2, 3}}
o.NativeUpdateHistories = map[string][]uint32{"Contract": {1, 2, 3}}
require.True(t, p.Equals(o))
p.NativeUpdateHistories["Contract"] = []uint32{1, 2, 3, 4}
require.False(t, p.Equals(o))
p.NativeUpdateHistories["Contract"] = []uint32{1, 2, 4}
require.False(t, p.Equals(o))
p.NativeUpdateHistories = nil
o.NativeUpdateHistories = nil
p.SeedList = []string{"url1", "url2"}
o.SeedList = []string{"url1", "url2"}
require.True(t, p.Equals(o))
p.SeedList = []string{"url11", "url22"}
require.False(t, p.Equals(o))
p.SeedList = nil
o.SeedList = nil
p.StandbyCommittee = []string{"key1", "key2"}
o.StandbyCommittee = []string{"key1", "key2"}
require.True(t, p.Equals(o))
p.StandbyCommittee = []string{"key2", "key1"}
require.False(t, p.Equals(o))
p.StandbyCommittee = nil
o.StandbyCommittee = nil
o.ValidatorsHistory = map[uint32]int{111: 0}
p.ValidatorsHistory = map[uint32]int{111: 0}
require.True(t, p.Equals(o))
p.ValidatorsHistory = map[uint32]int{112: 0}
require.False(t, p.Equals(o))
}