rebase drand setup onto master

This commit is contained in:
Yusef Napora 2020-06-24 10:41:57 -04:00
parent 1230430c94
commit 4a337785b5
7 changed files with 220 additions and 4 deletions

View File

@ -46,6 +46,7 @@ var baselineRoles = map[string]func(*TestEnvironment) error{
"bootstrapper": runBootstrapper,
"miner": runMiner,
"client": runBaselineClient,
"drand": runDrandNode,
}
func runBaselineClient(t *TestEnvironment) error {
@ -236,3 +237,16 @@ func extractCarData(ctx context.Context, rdata []byte, rpath string) []byte {
}
return rdata
}
func runDrandNode(t *TestEnvironment) error {
t.RecordMessage("running drand node")
_, err := prepareDrandNode(t)
if err != nil {
return err
}
// TODO add ability to halt / recover on demand
ctx := context.Background()
t.SyncClient.MustSignalAndWait(ctx, stateDone, t.TestInstanceCount)
return nil
}

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@ -5,7 +5,7 @@
[global]
plan = "lotus-soup"
case = "lotus-baseline"
total_instances = 3
total_instances = 6
builder = "docker:go"
runner = "local:docker"
@ -56,3 +56,15 @@
miners = "1"
balance = "2000000000"
sectors = "10"
[[groups]]
id = "drand"
[groups.resources]
memory = "120Mi"
cpu = "10m"
[groups.instances]
count = 3
percentage = 0.0
[groups.run]
[groups.run.test_params]
role = "drand"

148
lotus-soup/drand.go Normal file
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@ -0,0 +1,148 @@
package main
import (
"bytes"
"context"
"fmt"
"time"
"github.com/drand/drand/chain"
hclient "github.com/drand/drand/client/http"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/testground/sdk-go/sync"
"github.com/drand/drand/demo/node"
)
var (
PrepareDrandTimeout = time.Minute
drandConfigTopic = sync.NewTopic("drand-config", &dtypes.DrandConfig{})
)
// waitForDrandConfig should be called by filecoin instances before constructing the lotus Node
// you can use the returned dtypes.DrandConfig to override the default production config.
func waitForDrandConfig(ctx context.Context, client sync.Client) (*dtypes.DrandConfig, error) {
ch := make(chan *dtypes.DrandConfig, 1)
sub := client.MustSubscribe(ctx, drandConfigTopic, ch)
select {
case cfg := <-ch:
return cfg, nil
case err := <-sub.Done():
return nil, err
}
}
// prepareDrandNode starts a drand instance and runs a DKG with the other members of the composition group.
// Once the chain is running, the leader publishes the chain info needed by lotus nodes on
// drandConfigTopic
func prepareDrandNode(t *TestEnvironment) (node.Node, error) {
ctx, cancel := context.WithTimeout(context.Background(), PrepareDrandTimeout)
defer cancel()
startTime := time.Now()
seq := t.GroupSeq
isLeader := seq == 1
nNodes := t.TestGroupInstanceCount
myAddr := t.NetClient.MustGetDataNetworkIP()
// TODO: add test params for drand
period := "10s"
beaconOffset := 12
threshold := 2
// TODO(maybe): use TLS?
n := node.NewLocalNode(int(seq), period, "~/", false, myAddr.String())
// share the node addresses with other nodes
// TODO: if we implement TLS, this is where we'd share public TLS keys
type NodeAddr struct {
PrivateAddr string
PublicAddr string
IsLeader bool
}
addrTopic := sync.NewTopic("drand-addrs", &NodeAddr{})
var publicAddrs []string
var leaderAddr string
ch := make(chan *NodeAddr)
t.SyncClient.MustPublishSubscribe(ctx, addrTopic, &NodeAddr{
PrivateAddr: n.PrivateAddr(),
PublicAddr: n.PublicAddr(),
IsLeader: isLeader,
}, ch)
for i := 0; i < nNodes; i++ {
msg, ok := <-ch
if !ok {
return nil, fmt.Errorf("failed to read drand node addr from sync service")
}
publicAddrs = append(publicAddrs, fmt.Sprintf("http://%s", msg.PublicAddr))
if msg.IsLeader {
leaderAddr = msg.PrivateAddr
}
}
if leaderAddr == "" {
return nil, fmt.Errorf("got %d drand addrs, but no leader", len(publicAddrs))
}
t.SyncClient.MustSignalAndWait(ctx, "drand-start", nNodes)
t.RecordMessage("Starting drand sharing ceremony")
if err := n.Start("~/"); err != nil {
return nil, err
}
alive := false
waitSecs := 10
for i := 0; i < waitSecs; i++ {
if !n.Ping() {
time.Sleep(time.Second)
continue
}
t.R().RecordPoint("drand_first_ping", time.Now().Sub(startTime).Seconds())
alive = true
break
}
if !alive {
return nil, fmt.Errorf("drand node %d failed to start after %d seconds", t.GroupSeq, waitSecs)
}
// run DKG
t.SyncClient.MustSignalAndWait(ctx, "drand-dkg-start", nNodes)
grp := n.RunDKG(nNodes, threshold, period, isLeader, leaderAddr, beaconOffset)
if grp == nil {
return nil, fmt.Errorf("drand dkg failed")
}
t.R().RecordPoint("drand_dkg_complete", time.Now().Sub(startTime).Seconds())
// wait for chain to begin
to := time.Until(time.Unix(grp.GenesisTime, 0).Add(3 * time.Second).Add(grp.Period))
time.Sleep(to)
// verify that we can get a round of randomness from the chain using an http client
info := chain.NewChainInfo(grp)
client, err := hclient.NewWithInfo(publicAddrs[0], info, nil)
if err != nil {
return nil, fmt.Errorf("unable to create drand http client: %w", err)
}
_, err = client.Get(ctx, 1)
if err != nil {
return nil, fmt.Errorf("unable to get initial drand round: %w", err)
}
// if we're the leader, publish the config to the sync service
if isLeader {
buf := bytes.Buffer{}
if err := info.ToJSON(&buf); err != nil {
return nil, fmt.Errorf("error marshaling chain info: %w", err)
}
msg := dtypes.DrandConfig{
Servers: publicAddrs,
ChainInfoJSON: buf.String(),
}
t.SyncClient.MustPublish(ctx, drandConfigTopic, &msg)
}
return n, nil
}

View File

@ -4,10 +4,11 @@ go 1.14
require (
github.com/davecgh/go-spew v1.1.1
github.com/drand/drand v0.9.2-0.20200616080806-a94e9c1636a4
github.com/filecoin-project/go-address v0.0.2-0.20200504173055-8b6f2fb2b3ef
github.com/filecoin-project/go-fil-markets v0.3.0
github.com/filecoin-project/go-storedcounter v0.0.0-20200421200003-1c99c62e8a5b
github.com/filecoin-project/lotus v0.4.1-0.20200623104442-68d38eff33e4
github.com/filecoin-project/lotus v0.4.1-0.20200623211458-e8642442267b
github.com/filecoin-project/specs-actors v0.6.2-0.20200617175406-de392ca14121
github.com/ipfs/go-cid v0.0.6
github.com/ipfs/go-datastore v0.4.4

View File

@ -246,8 +246,8 @@ github.com/filecoin-project/go-statestore v0.1.0 h1:t56reH59843TwXHkMcwyuayStBIi
github.com/filecoin-project/go-statestore v0.1.0/go.mod h1:LFc9hD+fRxPqiHiaqUEZOinUJB4WARkRfNl10O7kTnI=
github.com/filecoin-project/go-storedcounter v0.0.0-20200421200003-1c99c62e8a5b h1:fkRZSPrYpk42PV3/lIXiL0LHetxde7vyYYvSsttQtfg=
github.com/filecoin-project/go-storedcounter v0.0.0-20200421200003-1c99c62e8a5b/go.mod h1:Q0GQOBtKf1oE10eSXSlhN45kDBdGvEcVOqMiffqX+N8=
github.com/filecoin-project/lotus v0.4.1-0.20200623104442-68d38eff33e4 h1:h0iwqUzi4+E+xs1vLtmM2uxTUoTSNk4P/hFG7Dk9jnw=
github.com/filecoin-project/lotus v0.4.1-0.20200623104442-68d38eff33e4/go.mod h1:uxvEKQiyuXisy/7MB6pFwb4WxxcA3UY3hyJnhL+k7M4=
github.com/filecoin-project/lotus v0.4.1-0.20200623211458-e8642442267b h1:Oq1ABSZVYNFtvWqnj3bHINcw34T0if/0/zlsRq8rGgc=
github.com/filecoin-project/lotus v0.4.1-0.20200623211458-e8642442267b/go.mod h1:uxvEKQiyuXisy/7MB6pFwb4WxxcA3UY3hyJnhL+k7M4=
github.com/filecoin-project/sector-storage v0.0.0-20200615154852-728a47ab99d6/go.mod h1:M59QnAeA/oV+Z8oHFLoNpGMv0LZ8Rll+vHVXX7GirPM=
github.com/filecoin-project/sector-storage v0.0.0-20200618073200-d9de9b7cb4b4 h1:lQC8Fbyn31/H4QxYAYwVV3PYZ9vS61EmjktZc5CaiYs=
github.com/filecoin-project/sector-storage v0.0.0-20200618073200-d9de9b7cb4b4/go.mod h1:M59QnAeA/oV+Z8oHFLoNpGMv0LZ8Rll+vHVXX7GirPM=

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@ -27,4 +27,5 @@ instances = { min = 1, max = 100, default = 5 }
miners = { type = "int", default = 1 }
balance = { type = "int", default = 1 }
sectors = { type = "int", default = 1 }
real_drand = { type = "bool", default = "false", desc = "set to true to use the real drand network config baked into lotus" }
role = { type = "string" }

View File

@ -116,6 +116,11 @@ func prepareBootstrapper(t *TestEnvironment) (*Node, error) {
miners := t.IntParam("miners")
nodes := clients + miners
drandOpt, err := getDrandConfig(ctx, t)
if err != nil {
return nil, err
}
// the first duty of the boostrapper is to construct the genesis block
// first collect all client and miner balances to assign initial funds
balances, err := waitForBalances(t, ctx, nodes)
@ -177,6 +182,7 @@ func prepareBootstrapper(t *TestEnvironment) (*Node, error) {
withListenAddress(bootstrapperIP),
withBootstrapper(nil),
withPubsubConfig(true),
drandOpt,
)
if err != nil {
return nil, err
@ -229,6 +235,11 @@ func prepareMiner(t *TestEnvironment) (*Node, error) {
ctx, cancel := context.WithTimeout(context.Background(), PrepareNodeTimeout)
defer cancel()
drandOpt, err := getDrandConfig(ctx, t)
if err != nil {
return nil, err
}
// first create a wallet
walletKey, err := wallet.GenerateKey(crypto.SigTypeBLS)
if err != nil {
@ -342,6 +353,7 @@ func prepareMiner(t *TestEnvironment) (*Node, error) {
withListenAddress(minerIP),
withBootstrapper(genesisMsg.Bootstrapper),
withPubsubConfig(false),
drandOpt,
)
if err != nil {
return nil, err
@ -446,6 +458,11 @@ func prepareClient(t *TestEnvironment) (*Node, error) {
ctx, cancel := context.WithTimeout(context.Background(), PrepareNodeTimeout)
defer cancel()
drandOpt, err := getDrandConfig(ctx, t)
if err != nil {
return nil, err
}
// first create a wallet
walletKey, err := wallet.GenerateKey(crypto.SigTypeBLS)
if err != nil {
@ -475,6 +492,7 @@ func prepareClient(t *TestEnvironment) (*Node, error) {
withListenAddress(clientIP),
withBootstrapper(genesisMsg.Bootstrapper),
withPubsubConfig(false),
drandOpt,
)
if err != nil {
return nil, err
@ -636,3 +654,25 @@ func collectClientAddrs(t *TestEnvironment, ctx context.Context, clients int) ([
return addrs, nil
}
func getDrandConfig(ctx context.Context, t *TestEnvironment) (node.Option, error) {
if t.BooleanParam("real_drand") {
noop := func(settings *node.Settings) error {
return nil
}
return noop, nil
}
cfg, err := waitForDrandConfig(ctx, t.SyncClient)
if err != nil {
t.RecordMessage("error getting drand config: %w", err)
return nil, err
}
t.RecordMessage("setting drand config: %v", cfg)
return node.Options(
node.Override(new(dtypes.DrandConfig), *cfg),
// FIXME: re-enable drand bootstrap peers once drand gossip relays are running in testground
node.Override(new(dtypes.DrandBootstrap), dtypes.DrandBootstrap{}),
), nil
}