node: remove terra fee payer

Change-Id: Iffdf5a790fd546b9b43137ee03018da3d94d3ac8

bridge/cmd/guardiand/bridge.go

@@ -353,16 +353,6 @@ func runBridge(cmd *cobra.Command, args []string) {
 		}
 	}
 
-	// Load Terra fee payer key
-	var terraFeePayer string
-	if *unsafeDevMode {
-		terra.WriteDevnetKey(*terraKeyPath)
-	}
-	terraFeePayer, err = terra.ReadKey(*terraKeyPath)
-	if err != nil {
-		logger.Fatal("Failed to load Terra fee payer key", zap.Error(err))
-	}
-
 	adminService, err := adminServiceRunnable(logger, *adminSocketPath, injectC)
 	if err != nil {
 		logger.Fatal("failed to create admin service socket", zap.Error(err))
@@ -410,7 +400,6 @@ func runBridge(cmd *cobra.Command, args []string) {
 			*terraLCD,
 			*terraChainID,
 			*terraContract,
-			terraFeePayer,
 		)
 		if err := supervisor.Run(ctx, "processor", p.Run); err != nil {
 			return err

bridge/pkg/processor/processor.go

@@ -14,7 +14,6 @@ import (
 	"github.com/certusone/wormhole/bridge/pkg/devnet"
 	gossipv1 "github.com/certusone/wormhole/bridge/pkg/proto/gossip/v1"
 	"github.com/certusone/wormhole/bridge/pkg/supervisor"
-	"github.com/certusone/wormhole/bridge/pkg/terra"
 	"github.com/certusone/wormhole/bridge/pkg/vaa"
 )
 
@@ -79,7 +78,6 @@ type Processor struct {
 	terraLCD      string
 	terraChainID  string
 	terraContract string
-	terraFeePayer string
 
 	logger *zap.Logger
 
@@ -109,8 +107,7 @@ func NewProcessor(
 	devnetEthRPC string,
 	terraLCD string,
 	terraChainID string,
-	terraContract string,
-	terraFeePayer string) *Processor {
+	terraContract string) *Processor {
 
 	return &Processor{
 		lockC:              lockC,
@@ -127,7 +124,6 @@ func NewProcessor(
 		terraLCD:      terraLCD,
 		terraChainID:  terraChainID,
 		terraContract: terraContract,
-		terraFeePayer: terraFeePayer,
 
 		logger:  supervisor.Logger(ctx),
 		state:   &aggregationState{vaaMap{}},
@@ -185,25 +181,6 @@ func (p *Processor) checkDevModeGuardianSetUpdate(ctx context.Context) error {
 
 			p.logger.Info("devnet guardian set change submitted to Ethereum", zap.Any("trx", trx), zap.Any("vaa", v))
 
-			if p.terraEnabled {
-				// Submit to Terra
-				go func() {
-					for {
-						timeout, cancel := context.WithTimeout(ctx, 5*time.Second)
-						trxResponse, err := terra.SubmitVAA(timeout, p.terraLCD, p.terraChainID, p.terraContract, p.terraFeePayer, v)
-						if err != nil {
-							cancel()
-							p.logger.Error("failed to submit Terra devnet guardian set change, retrying", zap.Error(err))
-							time.Sleep(1 * time.Second)
-							continue
-						}
-						cancel()
-						p.logger.Info("devnet guardian set change submitted to Terra", zap.Any("trxResponse", trxResponse), zap.Any("vaa", v))
-						break
-					}
-				}()
-			}
-
 			// Submit VAA to Solana as well. This is asynchronous and can fail, leading to inconsistent devnet state.
 			p.vaaC <- v
 		}

bridge/pkg/terra/sender.go

@@ -6,13 +6,12 @@ import (
 	"io/ioutil"
 	"time"
 
-	"github.com/certusone/wormhole/bridge/pkg/devnet"
-
-	"github.com/certusone/wormhole/bridge/pkg/vaa"
 	"github.com/terra-project/terra.go/client"
 	"github.com/terra-project/terra.go/key"
 	"github.com/terra-project/terra.go/msg"
 	"github.com/terra-project/terra.go/tx"
+
+	"github.com/certusone/wormhole/bridge/pkg/vaa"
 )
 
 type submitVAAMsg struct {
@@ -97,11 +96,3 @@ func ReadKey(path string) (string, error) {
 	}
 	return string(b), nil
 }
-
-// WriteDevnetKey writes default devnet key to the file
-func WriteDevnetKey(path string) {
-	err := ioutil.WriteFile(path, []byte(devnet.TerraFeePayerKey), 0600)
-	if err != nil {
-		panic("Cannot write Terra key file")
-	}
-}

docs/operations.md

@@ -210,8 +210,6 @@ You'll have to manage the following keys:
    An attacker could potentially use it to censor your messages on the network. Other than that, it's not very
    critical and can be rotated. The node will automatically create a node key at the path you specify if it doesn't exist.
  
- - _\[The **Terra fee payer** account. Terra support is still a work in progress - more details on this later\]._ 
-
 For production, we strongly recommend to either encrypt your disks, and/or take care to never have keys touch the disk.
 One way to accomplish is to store keys on an in-memory ramfs, which can't be swapped out, and restore it from cold
 storage or an HSM/vault whenever the node is rebooted. You might want to disable swap altogether. None of that is