554 lines
18 KiB
Go
554 lines
18 KiB
Go
package guardiand
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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_ "net/http/pprof"
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"os"
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"path"
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"syscall"
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"github.com/certusone/wormhole/node/pkg/db"
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"github.com/gagliardetto/solana-go/rpc"
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solana_types "github.com/gagliardetto/solana-go"
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"github.com/gorilla/mux"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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eth_common "github.com/ethereum/go-ethereum/common"
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ethcrypto "github.com/ethereum/go-ethereum/crypto"
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"github.com/libp2p/go-libp2p-core/crypto"
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"github.com/libp2p/go-libp2p-core/peer"
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"github.com/spf13/cobra"
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"go.uber.org/zap"
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"golang.org/x/sys/unix"
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"github.com/certusone/wormhole/node/pkg/common"
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"github.com/certusone/wormhole/node/pkg/devnet"
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"github.com/certusone/wormhole/node/pkg/ethereum"
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"github.com/certusone/wormhole/node/pkg/p2p"
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"github.com/certusone/wormhole/node/pkg/processor"
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gossipv1 "github.com/certusone/wormhole/node/pkg/proto/gossip/v1"
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"github.com/certusone/wormhole/node/pkg/readiness"
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"github.com/certusone/wormhole/node/pkg/reporter"
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solana "github.com/certusone/wormhole/node/pkg/solana"
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"github.com/certusone/wormhole/node/pkg/supervisor"
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"github.com/certusone/wormhole/node/pkg/vaa"
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"github.com/certusone/wormhole/node/pkg/terra"
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ipfslog "github.com/ipfs/go-log/v2"
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)
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var (
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p2pNetworkID *string
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p2pPort *uint
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p2pBootstrap *string
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nodeKeyPath *string
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adminSocketPath *string
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dataDir *string
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statusAddr *string
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bridgeKeyPath *string
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solanaBridgeAddress *string
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ethRPC *string
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ethContract *string
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bscRPC *string
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bscContract *string
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terraWS *string
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terraLCD *string
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terraChainID *string
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terraContract *string
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solanaWsRPC *string
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solanaRPC *string
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logLevel *string
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unsafeDevMode *bool
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devNumGuardians *uint
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nodeName *string
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publicRPC *string
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publicWeb *string
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tlsHostname *string
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tlsProdEnv *bool
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disableHeartbeatVerify *bool
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bigTablePersistenceEnabled *bool
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bigTableGCPProject *string
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bigTableInstanceName *string
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bigTableTableName *string
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bigTableKeyPath *string
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)
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func init() {
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p2pNetworkID = BridgeCmd.Flags().String("network", "/wormhole/dev", "P2P network identifier")
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p2pPort = BridgeCmd.Flags().Uint("port", 8999, "P2P UDP listener port")
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p2pBootstrap = BridgeCmd.Flags().String("bootstrap", "", "P2P bootstrap peers (comma-separated)")
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statusAddr = BridgeCmd.Flags().String("statusAddr", "[::]:6060", "Listen address for status server (disabled if blank)")
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nodeKeyPath = BridgeCmd.Flags().String("nodeKey", "", "Path to node key (will be generated if it doesn't exist)")
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adminSocketPath = BridgeCmd.Flags().String("adminSocket", "", "Admin gRPC service UNIX domain socket path")
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dataDir = BridgeCmd.Flags().String("dataDir", "", "Data directory")
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bridgeKeyPath = BridgeCmd.Flags().String("bridgeKey", "", "Path to guardian key (required)")
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solanaBridgeAddress = BridgeCmd.Flags().String("solanaBridgeAddress", "", "Address of the Solana Bridge Program (required)")
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ethRPC = BridgeCmd.Flags().String("ethRPC", "", "Ethereum RPC URL")
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ethContract = BridgeCmd.Flags().String("ethContract", "", "Ethereum bridge contract address")
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bscRPC = BridgeCmd.Flags().String("bscRPC", "", "Binance Smart Chain RPC URL")
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bscContract = BridgeCmd.Flags().String("bscContract", "", "Binance Smart Chain bridge contract address")
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terraWS = BridgeCmd.Flags().String("terraWS", "", "Path to terrad root for websocket connection")
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terraLCD = BridgeCmd.Flags().String("terraLCD", "", "Path to LCD service root for http calls")
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terraChainID = BridgeCmd.Flags().String("terraChainID", "", "Terra chain ID, used in LCD client initialization")
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terraContract = BridgeCmd.Flags().String("terraContract", "", "Wormhole contract address on Terra blockchain")
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solanaWsRPC = BridgeCmd.Flags().String("solanaWS", "", "Solana Websocket URL (required")
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solanaRPC = BridgeCmd.Flags().String("solanaRPC", "", "Solana RPC URL (required")
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logLevel = BridgeCmd.Flags().String("logLevel", "info", "Logging level (debug, info, warn, error, dpanic, panic, fatal)")
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unsafeDevMode = BridgeCmd.Flags().Bool("unsafeDevMode", false, "Launch node in unsafe, deterministic devnet mode")
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devNumGuardians = BridgeCmd.Flags().Uint("devNumGuardians", 5, "Number of devnet guardians to include in guardian set")
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nodeName = BridgeCmd.Flags().String("nodeName", "", "Node name to announce in gossip heartbeats")
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publicRPC = BridgeCmd.Flags().String("publicRPC", "", "Listen address for public gRPC interface")
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publicWeb = BridgeCmd.Flags().String("publicWeb", "", "Listen address for public REST and gRPC Web interface")
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tlsHostname = BridgeCmd.Flags().String("tlsHostname", "", "If set, serve publicWeb as TLS with this hostname using Let's Encrypt")
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tlsProdEnv = BridgeCmd.Flags().Bool("tlsProdEnv", false,
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"Use the production Let's Encrypt environment instead of staging")
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disableHeartbeatVerify = BridgeCmd.Flags().Bool("disableHeartbeatVerify", false,
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"Disable heartbeat signature verification (useful during network startup)")
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bigTablePersistenceEnabled = BridgeCmd.Flags().Bool("bigTablePersistenceEnabled", false, "Turn on forwarding events to BigTable")
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bigTableGCPProject = BridgeCmd.Flags().String("bigTableGCPProject", "", "Google Cloud project ID for storing events")
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bigTableInstanceName = BridgeCmd.Flags().String("bigTableInstanceName", "", "BigTable instance name for storing events")
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bigTableTableName = BridgeCmd.Flags().String("bigTableTableName", "", "BigTable table name to store events in")
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bigTableKeyPath = BridgeCmd.Flags().String("bigTableKeyPath", "", "Path to json Service Account key")
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}
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var (
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rootCtx context.Context
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rootCtxCancel context.CancelFunc
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)
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// "Why would anyone do this?" are famous last words.
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//
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// We already forcibly override RPC URLs and keys in dev mode to prevent security
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// risks from operator error, but an extra warning won't hurt.
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const devwarning = `
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+++++++++++++++++++++++++++++++++++++++++++++++++++
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| NODE IS RUNNING IN INSECURE DEVELOPMENT MODE |
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| Do not use -unsafeDevMode in prod. |
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+++++++++++++++++++++++++++++++++++++++++++++++++++
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`
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func rootLoggerName() string {
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if *unsafeDevMode {
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// FIXME: add hostname to root logger for cleaner console output in multi-node development.
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// The proper way is to change the output format to include the hostname.
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hostname, err := os.Hostname()
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if err != nil {
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panic(err)
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}
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return fmt.Sprintf("%s-%s", "wormhole", hostname)
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} else {
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return "wormhole"
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}
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}
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// lockMemory locks current and future pages in memory to protect secret keys from being swapped out to disk.
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// It's possible (and strongly recommended) to deploy Wormhole such that keys are only ever
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// stored in memory and never touch the disk. This is a privileged operation and requires CAP_IPC_LOCK.
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func lockMemory() {
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err := unix.Mlockall(syscall.MCL_CURRENT | syscall.MCL_FUTURE)
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if err != nil {
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fmt.Printf("Failed to lock memory: %v (CAP_IPC_LOCK missing?)\n", err)
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os.Exit(1)
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}
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}
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// setRestrictiveUmask masks the group and world bits. This ensures that key material
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// and sockets we create aren't accidentally group- or world-readable.
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func setRestrictiveUmask() {
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syscall.Umask(0077) // cannot fail
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}
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// BridgeCmd represents the bridge command
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var BridgeCmd = &cobra.Command{
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Use: "bridge",
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Short: "Run the bridge server",
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Run: runBridge,
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}
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func runBridge(cmd *cobra.Command, args []string) {
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if *unsafeDevMode {
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fmt.Print(devwarning)
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}
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lockMemory()
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setRestrictiveUmask()
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// Refuse to run as root in production mode.
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if !*unsafeDevMode && os.Geteuid() == 0 {
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fmt.Println("can't run as uid 0")
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os.Exit(1)
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}
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// Set up logging. The go-log zap wrapper that libp2p uses is compatible with our
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// usage of zap in supervisor, which is nice.
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lvl, err := ipfslog.LevelFromString(*logLevel)
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if err != nil {
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fmt.Println("Invalid log level")
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os.Exit(1)
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}
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// Our root logger. Convert directly to a regular Zap logger.
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logger := ipfslog.Logger(rootLoggerName()).Desugar()
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// Override the default go-log config, which uses a magic environment variable.
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ipfslog.SetAllLoggers(lvl)
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// Register components for readiness checks.
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readiness.RegisterComponent(common.ReadinessEthSyncing)
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readiness.RegisterComponent(common.ReadinessSolanaSyncing)
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readiness.RegisterComponent(common.ReadinessTerraSyncing)
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if *statusAddr != "" {
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// Use a custom routing instead of using http.DefaultServeMux directly to avoid accidentally exposing packages
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// that register themselves with it by default (like pprof).
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router := mux.NewRouter()
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// pprof server. NOT necessarily safe to expose publicly - only enable it in dev mode to avoid exposing it by
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// accident. There's benefit to having pprof enabled on production nodes, but we would likely want to expose it
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// via a dedicated port listening on localhost, or via the admin UNIX socket.
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if *unsafeDevMode {
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// Pass requests to http.DefaultServeMux, which pprof automatically registers with as an import side-effect.
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router.PathPrefix("/debug/pprof/").Handler(http.DefaultServeMux)
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}
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// Simple endpoint exposing node readiness (safe to expose to untrusted clients)
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router.HandleFunc("/readyz", readiness.Handler)
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// Prometheus metrics (safe to expose to untrusted clients)
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router.Handle("/metrics", promhttp.Handler())
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go func() {
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logger.Info("status server listening on [::]:6060")
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logger.Error("status server crashed", zap.Error(http.ListenAndServe(*statusAddr, router)))
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}()
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}
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// In devnet mode, we automatically set a number of flags that rely on deterministic keys.
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if *unsafeDevMode {
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g0key, err := peer.IDFromPrivateKey(devnet.DeterministicP2PPrivKeyByIndex(0))
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if err != nil {
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panic(err)
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}
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// Use the first guardian node as bootstrap
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*p2pBootstrap = fmt.Sprintf("/dns4/guardian-0.guardian/udp/%d/quic/p2p/%s", *p2pPort, g0key.String())
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// Deterministic ganache ETH devnet address.
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*ethContract = devnet.GanacheBridgeContractAddress.Hex()
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*bscContract = devnet.GanacheBridgeContractAddress.Hex()
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// Use the hostname as nodeName. For production, we don't want to do this to
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// prevent accidentally leaking sensitive hostnames.
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hostname, err := os.Hostname()
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if err != nil {
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panic(err)
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}
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*nodeName = hostname
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}
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// Verify flags
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if *nodeKeyPath == "" && !*unsafeDevMode { // In devnet mode, keys are deterministically generated.
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logger.Fatal("Please specify --nodeKey")
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}
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if *bridgeKeyPath == "" {
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logger.Fatal("Please specify --bridgeKey")
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}
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if *adminSocketPath == "" {
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logger.Fatal("Please specify --adminSocket")
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}
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if *dataDir == "" {
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logger.Fatal("Please specify --dataDir")
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}
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if *ethRPC == "" {
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logger.Fatal("Please specify --ethRPC")
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}
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if *ethContract == "" {
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logger.Fatal("Please specify --ethContract")
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}
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if *bscRPC == "" {
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logger.Fatal("Please specify --bscRPC")
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}
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if *bscContract == "" {
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logger.Fatal("Please specify --bscContract")
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}
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if *nodeName == "" {
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logger.Fatal("Please specify --nodeName")
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}
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if *solanaBridgeAddress == "" {
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logger.Fatal("Please specify --solanaBridgeAddress")
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}
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if *solanaWsRPC == "" {
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logger.Fatal("Please specify --solanaWsUrl")
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}
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if *solanaRPC == "" {
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logger.Fatal("Please specify --solanaUrl")
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}
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if *terraWS == "" {
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logger.Fatal("Please specify --terraWS")
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}
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if *terraLCD == "" {
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logger.Fatal("Please specify --terraLCD")
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}
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if *terraChainID == "" {
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logger.Fatal("Please specify --terraChainID")
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}
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if *terraContract == "" {
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logger.Fatal("Please specify --terraContract")
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}
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if *bigTablePersistenceEnabled {
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if *bigTableGCPProject == "" {
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logger.Fatal("Please specify --bigTableGCPProject")
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}
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if *bigTableInstanceName == "" {
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logger.Fatal("Please specify --bigTableInstanceName")
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}
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if *bigTableTableName == "" {
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logger.Fatal("Please specify --bigTableTableName")
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}
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if *bigTableKeyPath == "" {
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logger.Fatal("Please specify --bigTableKeyPath")
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}
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}
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ethContractAddr := eth_common.HexToAddress(*ethContract)
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bscContractAddr := eth_common.HexToAddress(*bscContract)
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solBridgeAddress, err := solana_types.PublicKeyFromBase58(*solanaBridgeAddress)
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if err != nil {
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logger.Fatal("invalid Solana bridge address", zap.Error(err))
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}
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// In devnet mode, we generate a deterministic guardian key and write it to disk.
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if *unsafeDevMode {
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gk, err := generateDevnetGuardianKey()
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if err != nil {
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logger.Fatal("failed to generate devnet guardian key", zap.Error(err))
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}
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err = writeGuardianKey(gk, "auto-generated deterministic devnet key", *bridgeKeyPath, true)
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if err != nil {
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logger.Fatal("failed to write devnet guardian key", zap.Error(err))
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}
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}
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// Database
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dbPath := path.Join(*dataDir, "db")
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if err := os.MkdirAll(dbPath, 0700); err != nil {
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logger.Fatal("failed to create database directory", zap.Error(err))
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}
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db, err := db.Open(dbPath)
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if err != nil {
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logger.Fatal("failed to open database", zap.Error(err))
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}
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defer db.Close()
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// Guardian key
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gk, err := loadGuardianKey(*bridgeKeyPath)
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if err != nil {
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logger.Fatal("failed to load guardian key", zap.Error(err))
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}
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guardianAddr := ethcrypto.PubkeyToAddress(gk.PublicKey).String()
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logger.Info("Loaded guardian key", zap.String(
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"address", guardianAddr))
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p2p.DefaultRegistry.SetGuardianAddress(guardianAddr)
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// Node's main lifecycle context.
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rootCtx, rootCtxCancel = context.WithCancel(context.Background())
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defer rootCtxCancel()
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// Ethereum lock event channel
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lockC := make(chan *common.MessagePublication)
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// Ethereum incoming guardian set updates
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setC := make(chan *common.GuardianSet)
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// Outbound gossip message queue
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sendC := make(chan []byte)
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// Inbound observations
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obsvC := make(chan *gossipv1.SignedObservation, 50)
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// Injected VAAs (manually generated rather than created via observation)
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injectC := make(chan *vaa.VAA)
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// Guardian set state managed by processor
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gst := common.NewGuardianSetState()
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// Load p2p private key
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var priv crypto.PrivKey
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if *unsafeDevMode {
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idx, err := devnet.GetDevnetIndex()
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if err != nil {
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logger.Fatal("Failed to parse hostname - are we running in devnet?")
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}
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priv = devnet.DeterministicP2PPrivKeyByIndex(int64(idx))
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} else {
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priv, err = getOrCreateNodeKey(logger, *nodeKeyPath)
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if err != nil {
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logger.Fatal("Failed to load node key", zap.Error(err))
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}
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}
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// provides methods for reporting progress toward message attestation, and channels for receiving attestation lifecyclye events.
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attestationEvents := reporter.EventListener(logger)
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publicrpcService, publicrpcServer, err := publicrpcServiceRunnable(logger, *publicRPC, db, gst)
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if err != nil {
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log.Fatal("failed to create publicrpc service socket", zap.Error(err))
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}
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// local admin service socket
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adminService, err := adminServiceRunnable(logger, *adminSocketPath, injectC, db, gst)
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if err != nil {
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logger.Fatal("failed to create admin service socket", zap.Error(err))
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}
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publicwebService, err := publicwebServiceRunnable(logger, *publicWeb, *adminSocketPath, publicrpcServer,
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*tlsHostname, *tlsProdEnv, path.Join(*dataDir, "autocert"))
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if err != nil {
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log.Fatal("failed to create publicrpc service socket", zap.Error(err))
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}
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// Run supervisor.
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supervisor.New(rootCtx, logger, func(ctx context.Context) error {
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if err := supervisor.Run(ctx, "p2p", p2p.Run(
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obsvC, sendC, priv, gk, gst, *p2pPort, *p2pNetworkID, *p2pBootstrap, *nodeName, *disableHeartbeatVerify, rootCtxCancel)); err != nil {
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return err
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}
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if err := supervisor.Run(ctx, "ethwatch",
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ethereum.NewEthBridgeWatcher(*ethRPC, ethContractAddr, "eth", common.ReadinessEthSyncing, vaa.ChainIDEthereum, lockC, setC).Run); err != nil {
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return err
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}
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if err := supervisor.Run(ctx, "bscwatch",
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ethereum.NewEthBridgeWatcher(*bscRPC, bscContractAddr, "bsc", common.ReadinessBSCSyncing, vaa.ChainIDBSC, lockC, nil).Run); err != nil {
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return err
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}
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// Start Terra watcher only if configured
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logger.Info("Starting Terra watcher")
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if err := supervisor.Run(ctx, "terrawatch",
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terra.NewTerraBridgeWatcher(*terraWS, *terraLCD, *terraContract, lockC, setC).Run); err != nil {
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return err
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}
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if err := supervisor.Run(ctx, "solwatch-confirmed",
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solana.NewSolanaWatcher(*solanaWsRPC, *solanaRPC, solBridgeAddress, lockC, rpc.CommitmentConfirmed).Run); err != nil {
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return err
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}
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if err := supervisor.Run(ctx, "solwatch-finalized",
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|
solana.NewSolanaWatcher(*solanaWsRPC, *solanaRPC, solBridgeAddress, lockC, rpc.CommitmentFinalized).Run); err != nil {
|
|
return err
|
|
}
|
|
|
|
p := processor.NewProcessor(ctx,
|
|
db,
|
|
lockC,
|
|
setC,
|
|
sendC,
|
|
obsvC,
|
|
injectC,
|
|
gk,
|
|
gst,
|
|
*unsafeDevMode,
|
|
*devNumGuardians,
|
|
*ethRPC,
|
|
*terraLCD,
|
|
*terraChainID,
|
|
*terraContract,
|
|
attestationEvents,
|
|
)
|
|
if err := supervisor.Run(ctx, "processor", p.Run); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := supervisor.Run(ctx, "admin", adminService); err != nil {
|
|
return err
|
|
}
|
|
if *publicRPC != "" {
|
|
if err := supervisor.Run(ctx, "publicrpc", publicrpcService); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if *publicWeb != "" {
|
|
if err := supervisor.Run(ctx, "publicweb", publicwebService); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if *bigTablePersistenceEnabled {
|
|
bigTableConnection := &reporter.BigTableConnectionConfig{
|
|
GcpProjectID: *bigTableGCPProject,
|
|
GcpInstanceName: *bigTableInstanceName,
|
|
TableName: *bigTableTableName,
|
|
GcpKeyFilePath: *bigTableKeyPath,
|
|
}
|
|
if err := supervisor.Run(ctx, "bigtable", reporter.BigTableWriter(attestationEvents, bigTableConnection)); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
logger.Info("Started internal services")
|
|
|
|
select {
|
|
case <-ctx.Done():
|
|
return nil
|
|
}
|
|
},
|
|
// It's safer to crash and restart the process in case we encounter a panic,
|
|
// rather than attempting to reschedule the runnable.
|
|
supervisor.WithPropagatePanic)
|
|
|
|
select {
|
|
case <-rootCtx.Done():
|
|
logger.Info("root context cancelled, exiting...")
|
|
// TODO: wait for things to shut down gracefully
|
|
}
|
|
}
|