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main.go
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/
main.go
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package main
import (
"encoding/json"
"fmt"
"log"
"os"
"strconv"
"strings"
"sync"
"time"
_ "embed"
"github.com/AudiusProject/audius-protocol/mediorum/ethcontracts"
"github.com/AudiusProject/audius-protocol/mediorum/httputil"
"github.com/AudiusProject/audius-protocol/mediorum/registrar"
"github.com/AudiusProject/audius-protocol/mediorum/server"
"golang.org/x/exp/slices"
"golang.org/x/exp/slog"
"golang.org/x/sync/errgroup"
)
//go:embed .version.json
var versionJSON []byte
func GetVersionJson() server.VersionJson {
var versionJson server.VersionJson
if err := json.Unmarshal(versionJSON, &versionJson); err != nil {
log.Fatalf("unable to parse .version.json file: %v", err)
}
return versionJson
}
func init() {
logger := slog.New(slog.NewJSONHandler(os.Stdout, &slog.HandlerOptions{AddSource: true}))
slog.SetDefault(logger)
}
func main() {
mediorumEnv := os.Getenv("MEDIORUM_ENV")
slog.Info("starting", "MEDIORUM_ENV", mediorumEnv)
switch mediorumEnv {
case "prod":
startStagingOrProd(true)
case "stage":
startStagingOrProd(false)
case "sandbox": // audius-d compatibility workflow
startSandbox()
case "single":
startDevInstance()
default:
startDevCluster()
}
}
func startStagingOrProd(isProd bool) {
logger := slog.With("creatorNodeEndpoint", os.Getenv("creatorNodeEndpoint"))
g := registrar.NewMultiStaging()
if isProd {
g = registrar.NewMultiProd()
}
var peers, signers []server.Peer
var err error
eg := new(errgroup.Group)
eg.Go(func() error {
peers, err = g.Peers()
return err
})
eg.Go(func() error {
signers, err = g.Signers()
return err
})
if err := eg.Wait(); err != nil {
panic(err)
}
logger.Info("fetched registered nodes", "peers", len(peers), "signers", len(signers))
creatorNodeEndpoint := mustGetenv("creatorNodeEndpoint")
privateKeyHex := mustGetenv("delegatePrivateKey")
privateKey, err := ethcontracts.ParsePrivateKeyHex(privateKeyHex)
if err != nil {
log.Fatal("invalid private key", err)
}
// compute wallet address
walletAddress := ethcontracts.ComputeAddressFromPrivateKey(privateKey)
delegateOwnerWallet := os.Getenv("delegateOwnerWallet")
if !strings.EqualFold(walletAddress, delegateOwnerWallet) {
slog.Warn("incorrect delegateOwnerWallet env config", "incorrect", delegateOwnerWallet, "computed", walletAddress)
}
trustedNotifierID, err := strconv.Atoi(getenvWithDefault("trustedNotifierID", "1"))
if err != nil {
logger.Warn("failed to parse trustedNotifierID", "err", err)
}
spID, err := ethcontracts.GetServiceProviderIdFromEndpoint(creatorNodeEndpoint, walletAddress)
if err != nil || spID == 0 {
go func() {
for range time.Tick(10 * time.Second) {
logger.Warn("failed to recover spID - please register at https://dashboard.audius.org and restart the server", "err", err)
}
}()
}
config := server.MediorumConfig{
Self: server.Peer{
Host: httputil.RemoveTrailingSlash(strings.ToLower(creatorNodeEndpoint)),
Wallet: strings.ToLower(walletAddress),
},
ListenPort: "1991",
Peers: peers,
Signers: signers,
ReplicationFactor: 5,
PrivateKey: privateKeyHex,
Dir: "/tmp/mediorum",
PostgresDSN: "postgres://postgres:postgres@db:5432/audius_creator_node",
BlobStoreDSN: os.Getenv("AUDIUS_STORAGE_DRIVER_URL"),
MoveFromBlobStoreDSN: os.Getenv("AUDIUS_STORAGE_DRIVER_URL_MOVE_FROM"),
TrustedNotifierID: trustedNotifierID,
SPID: spID,
SPOwnerWallet: os.Getenv("spOwnerWallet"),
GitSHA: os.Getenv("GIT_SHA"),
AudiusDockerCompose: os.Getenv("AUDIUS_DOCKER_COMPOSE_GIT_SHA"),
AutoUpgradeEnabled: os.Getenv("autoUpgradeEnabled") == "true",
StoreAll: os.Getenv("STORE_ALL") == "true",
VersionJson: GetVersionJson(),
}
ss, err := server.New(config)
if err != nil {
logger.Error("failed to create server", "err", err)
log.Fatal(err)
}
go refreshPeersAndSigners(ss, g)
ss.MustStart()
}
func startSandbox() {
logger := slog.With("creatorNodeEndpoint", os.Getenv("creatorNodeEndpoint"))
creatorNodeEndpoint := mustGetenv("creatorNodeEndpoint")
privateKeyHex := mustGetenv("delegatePrivateKey")
privateKey, err := ethcontracts.ParsePrivateKeyHex(privateKeyHex)
if err != nil {
log.Fatal("invalid private key", err)
}
// compute wallet address
walletAddress := ethcontracts.ComputeAddressFromPrivateKey(privateKey)
delegateOwnerWallet := os.Getenv("delegateOwnerWallet")
if !strings.EqualFold(walletAddress, delegateOwnerWallet) {
slog.Warn("incorrect delegateOwnerWallet env config", "incorrect", delegateOwnerWallet, "computed", walletAddress)
}
trustedNotifierID, err := strconv.Atoi(getenvWithDefault("trustedNotifierID", "1"))
if err != nil {
logger.Warn("failed to parse trustedNotifierID", "err", err)
}
spID, err := ethcontracts.GetServiceProviderIdFromEndpoint(creatorNodeEndpoint, walletAddress)
if err != nil || spID == 0 {
go func() {
for range time.Tick(10 * time.Second) {
logger.Warn("failed to recover spID - please register at https://dashboard.audius.org and restart the server", "err", err)
}
}()
}
g := registrar.NewEthChainProvider()
var peers, signers []server.Peer
eg := new(errgroup.Group)
eg.Go(func() error {
peers, err = g.Peers()
return err
})
eg.Go(func() error {
signers, err = g.Signers()
return err
})
if err := eg.Wait(); err != nil {
panic(err)
}
logger.Info("fetched registered nodes", "peers", len(peers), "signers", len(signers))
config := server.MediorumConfig{
Self: server.Peer{
Host: httputil.RemoveTrailingSlash(strings.ToLower(creatorNodeEndpoint)),
Wallet: strings.ToLower(walletAddress),
},
ListenPort: "1991",
Peers: peers,
Signers: signers,
ReplicationFactor: 5,
PrivateKey: privateKeyHex,
Dir: "/tmp/mediorum",
PostgresDSN: "postgres://postgres:postgres@db:5432/audius_creator_node",
BlobStoreDSN: os.Getenv("AUDIUS_STORAGE_DRIVER_URL"),
MoveFromBlobStoreDSN: os.Getenv("AUDIUS_STORAGE_DRIVER_URL_MOVE_FROM"),
TrustedNotifierID: trustedNotifierID,
SPID: spID,
SPOwnerWallet: os.Getenv("spOwnerWallet"),
GitSHA: os.Getenv("GIT_SHA"),
AudiusDockerCompose: os.Getenv("AUDIUS_DOCKER_COMPOSE_GIT_SHA"),
AutoUpgradeEnabled: os.Getenv("autoUpgradeEnabled") == "true",
StoreAll: os.Getenv("STORE_ALL") == "true",
VersionJson: GetVersionJson(),
}
ss, err := server.New(config)
if err != nil {
logger.Error("failed to create server", "err", err)
log.Fatal(err)
}
go refreshPeersAndSigners(ss, g)
ss.MustStart()
}
func startDevInstance() {
idx := "1"
if v := os.Getenv("IDX"); v != "" {
idx = v
}
spID, err := strconv.Atoi(idx)
if err != nil {
log.Fatalf("failed to parse spID: %v", err)
}
postgresDSN := fmt.Sprintf("postgres://postgres:example@localhost:5454/m%s", idx)
if v := os.Getenv("dbUrl"); v != "" {
postgresDSN = v
}
hostNameTemplate := getenvWithDefault("hostNameTemplate", "http://localhost:199%s")
network := devNetwork(hostNameTemplate, 7)
config := server.MediorumConfig{
Self: server.Peer{
Host: fmt.Sprintf(hostNameTemplate, idx),
Wallet: "0xWallet" + idx,
},
Peers: network,
ReplicationFactor: 3,
Dir: fmt.Sprintf("/tmp/mediorum_dev_%s", idx),
PostgresDSN: postgresDSN,
ListenPort: "199" + idx,
SPID: spID,
SPOwnerWallet: "0xWallet" + idx,
GitSHA: os.Getenv("GIT_SHA"),
AudiusDockerCompose: os.Getenv("AUDIUS_DOCKER_COMPOSE_GIT_SHA"),
AutoUpgradeEnabled: os.Getenv("autoUpgradeEnabled") == "true",
VersionJson: GetVersionJson(),
}
ss, err := server.New(config)
if err != nil {
log.Fatal(err)
}
ss.MustStart()
}
func startDevCluster() {
dirTemplate := getenvWithDefault("dirTemplate", "/tmp/mediorum_dev_%d")
dbUrlTemplate := getenvWithDefault("dbUrlTemplate", "postgres://postgres:example@localhost:5454/m%d")
hostNameTemplate := getenvWithDefault("hostNameTemplate", "http://localhost:199%d")
devNetworkCount, _ := strconv.Atoi(getenvWithDefault("devNetworkCount", "3"))
network := devNetwork(hostNameTemplate, devNetworkCount)
signers := []server.Peer{
{
Host: "audius-protocol-discovery-provider-1",
Wallet: "0x73EB6d82CFB20bA669e9c178b718d770C49BB52f",
},
{
Host: "audius-protocol-discovery-provider-2",
Wallet: "0x9D8E5fAc117b15DaCED7C326Ae009dFE857621f1",
},
{
Host: "audius-protocol-discovery-provider-3",
Wallet: "0x982a8CbE734cb8c29A6a7E02a3B0e4512148F6F9",
},
}
wg := sync.WaitGroup{}
for idx, peer := range network {
peer := peer
spID, err := ethcontracts.GetServiceProviderIdFromEndpoint(peer.Host, peer.Wallet)
if err != nil || spID == 0 {
slog.Error(fmt.Sprintf("failed to recover spID for %s, %s (this is expected if running locally without eth-ganache)", peer.Host, peer.Wallet), "err", err)
spID = idx + 1
}
config := server.MediorumConfig{
Self: peer,
Peers: network,
Signers: signers,
ReplicationFactor: 3,
Dir: fmt.Sprintf(dirTemplate, idx+1),
PostgresDSN: fmt.Sprintf(dbUrlTemplate, idx+1),
ListenPort: fmt.Sprintf("199%d", idx+1),
SPID: spID,
SPOwnerWallet: peer.Wallet,
GitSHA: os.Getenv("GIT_SHA"),
AudiusDockerCompose: os.Getenv("AUDIUS_DOCKER_COMPOSE_GIT_SHA"),
AutoUpgradeEnabled: os.Getenv("autoUpgradeEnabled") == "true",
VersionJson: GetVersionJson(),
}
privKeyEnvVar := fmt.Sprintf("CN%d_SP_OWNER_PRIVATE_KEY", idx+1)
if privateKey, found := os.LookupEnv(privKeyEnvVar); found {
log.Printf("%s found, using it\n", privKeyEnvVar)
config.PrivateKey = privateKey
} else {
log.Printf("%s not found, using hardcoded key\n", privKeyEnvVar)
switch privKeyEnvVar {
case "CN1_SP_OWNER_PRIVATE_KEY":
config.PrivateKey = "21118f9a6de181061a2abd549511105adb4877cf9026f271092e6813b7cf58ab"
case "CN2_SP_OWNER_PRIVATE_KEY":
config.PrivateKey = "1166189cdf129cdcb011f2ad0e5be24f967f7b7026d162d7c36073b12020b61c"
case "CN3_SP_OWNER_PRIVATE_KEY":
config.PrivateKey = "1aa14c63d481dcc1185a654eb52c9c0749d07ac8f30ef17d45c3c391d9bf68eb"
case "CN4_SP_OWNER_PRIVATE_KEY":
config.PrivateKey = "4a23fe455a34bb47f8f3282a4f6d36c22987275f0bb9aacb251568df7d038385"
case "CN5_SP_OWNER_PRIVATE_KEY":
config.PrivateKey = "2450bb2893d0bddf92f4ac88cb65a8e94b56e89f7ec3e46c9c88b2b46ebe3ca5"
default:
log.Printf("CN%d_SP_OWNER_PRIVATE_KEY not found, and no hardcoded option available\n", idx+1)
}
}
wg.Add(1)
go func() {
ss, err := server.New(config)
if err != nil {
log.Fatal(err)
}
ss.MustStart()
wg.Done()
}()
}
wg.Wait()
}
func devNetwork(hostNameTemplate string, n int) []server.Peer {
network := []server.Peer{}
for i := 1; i <= n; i++ {
addressEnvVar := fmt.Sprintf("CN%d_SP_OWNER_ADDRESS", i)
defaultAddress := ""
switch addressEnvVar {
case "CN1_SP_OWNER_ADDRESS":
defaultAddress = "0x0D38e653eC28bdea5A2296fD5940aaB2D0B8875c"
case "CN2_SP_OWNER_ADDRESS":
defaultAddress = "0x1B569e8f1246907518Ff3386D523dcF373e769B6"
case "CN3_SP_OWNER_ADDRESS":
defaultAddress = "0xCBB025e7933FADfc7C830AE520Fb2FD6D28c1065"
case "CN4_SP_OWNER_ADDRESS":
defaultAddress = "0xdDEEA4839bBeD92BDAD8Ec79AE4f4Bc2Be1A3974"
case "CN5_SP_OWNER_ADDRESS":
defaultAddress = "0xBC2cf859f671B78BA42EBB65Deb31Cc7fEc07019"
default:
defaultAddress = fmt.Sprintf("0xWallet%d", i)
fmt.Printf("Invalid address variable, using %s\n", defaultAddress)
}
network = append(network, server.Peer{
Host: fmt.Sprintf(hostNameTemplate, i),
Wallet: getenvWithDefault(addressEnvVar, defaultAddress),
})
}
return network
}
func mustGetenv(key string) string {
val := os.Getenv(key)
if val == "" {
log.Println("missing required env variable: ", key, " sleeping ...")
// if config is incorrect, sleep a bit to prevent container from restarting constantly
time.Sleep(time.Hour)
log.Fatal("missing required env variable: ", key)
}
return val
}
func getenvWithDefault(key string, fallback string) string {
val := os.Getenv(key)
if val == "" {
return fallback
}
return val
}
// fetch registered nodes from chain / The Graph every 30 minutes and restart if they've changed
func refreshPeersAndSigners(ss *server.MediorumServer, g registrar.PeerProvider) {
logger := slog.With("creatorNodeEndpoint", os.Getenv("creatorNodeEndpoint"))
ticker := time.NewTicker(30 * time.Minute)
for range ticker.C {
var peers, signers []server.Peer
var err error
eg := new(errgroup.Group)
eg.Go(func() error {
peers, err = g.Peers()
return err
})
eg.Go(func() error {
signers, err = g.Signers()
return err
})
if err := eg.Wait(); err != nil {
logger.Error("failed to fetch registered nodes", "err", err)
continue
}
var combined, configCombined []string
for _, peer := range append(peers, signers...) {
combined = append(combined, fmt.Sprintf("%s,%s", httputil.RemoveTrailingSlash(strings.ToLower(peer.Host)), strings.ToLower(peer.Wallet)))
}
for _, configPeer := range append(ss.Config.Peers, ss.Config.Signers...) {
configCombined = append(configCombined, fmt.Sprintf("%s,%s", httputil.RemoveTrailingSlash(strings.ToLower(configPeer.Host)), strings.ToLower(configPeer.Wallet)))
}
slices.Sort(combined)
slices.Sort(configCombined)
if !slices.Equal(combined, configCombined) {
logger.Info("peers or signers changed on chain. restarting...", "peers", len(peers), "signers", len(signers), "combined", combined, "configCombined", configCombined)
os.Exit(0) // restarting from inside the app is too error-prone so we'll let docker compose autoheal handle it
}
}
}