Remote wallet backends

node/builder.go

@@ -40,6 +40,7 @@ import (
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/vm"
 	"github.com/filecoin-project/lotus/chain/wallet"
+	"github.com/filecoin-project/lotus/chain/wallet/remotewallet"
 	sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
 	"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
 	"github.com/filecoin-project/lotus/extern/sector-storage/stores"
@@ -235,7 +236,7 @@ func Online() Option {
 			Override(new(*store.ChainStore), modules.ChainStore),
 			Override(new(*stmgr.StateManager), stmgr.NewStateManager),
 			Override(new(*wallet.LocalWallet), wallet.NewWallet),
-			Override(new(wallet.Wallet), From(new(*wallet.LocalWallet))),
+			Override(new(api.WalletAPI), From(new(*wallet.LocalWallet))),
 			Override(new(wallet.Default), From(new(*wallet.LocalWallet))),
 
 			Override(new(dtypes.ChainGCLocker), blockstore.NewGCLocker),
@@ -419,6 +420,9 @@ func ConfigFullNode(c interface{}) Option {
 		If(cfg.Metrics.HeadNotifs,
 			Override(HeadMetricsKey, metrics.SendHeadNotifs(cfg.Metrics.Nickname)),
 		),
+		If(cfg.Wallet.RemoteBackend != "",
+			Override(new(api.WalletAPI), remotewallet.SetupRemoteWallet(cfg.Wallet.RemoteBackend)),
+		),
 	)
 }
 

node/config/def.go

@@ -22,6 +22,7 @@ type FullNode struct {
 	Common
 	Client  Client
 	Metrics Metrics
+	Wallet  Wallet
 }
 
 // // Common
@@ -105,6 +106,10 @@ type Client struct {
 	IpfsUseForRetrieval bool
 }
 
+type Wallet struct {
+	RemoteBackend string
+}
+
 func defCommon() Common {
 	return Common{
 		API: API{

node/impl/full/wallet.go

@@ -10,6 +10,7 @@ import (
 	"github.com/filecoin-project/specs-actors/actors/abi/big"
 	"github.com/filecoin-project/specs-actors/actors/crypto"
 
+	"github.com/filecoin-project/lotus/api"
 	"github.com/filecoin-project/lotus/chain/stmgr"
 	"github.com/filecoin-project/lotus/chain/types"
 	"github.com/filecoin-project/lotus/chain/wallet"
@@ -21,7 +22,7 @@ type WalletAPI struct {
 
 	StateManager *stmgr.StateManager
 	Default      wallet.Default
-	wallet.Wallet
+	api.WalletAPI
 }
 
 func (a *WalletAPI) WalletBalance(ctx context.Context, addr address.Address) (types.BigInt, error) {
@@ -50,7 +51,7 @@ func (a *WalletAPI) WalletSignMessage(ctx context.Context, k address.Address, ms
 	if err != nil {
 		return nil, xerrors.Errorf("failed to resolve ID address: %w", keyAddr)
 	}
-	return a.Wallet.WalletSignMessage(ctx, keyAddr, msg)
+	return a.WalletAPI.WalletSignMessage(ctx, keyAddr, msg)
 }
 
 func (a *WalletAPI) WalletVerify(ctx context.Context, k address.Address, msg []byte, sig *crypto.Signature) bool {

node/repo/fsrepo.go

@@ -44,6 +44,7 @@ const (
 	FullNode RepoType = iota
 	StorageMiner
 	Worker
+	Wallet
 )
 
 func defConfForType(t RepoType) interface{} {
@@ -54,6 +55,8 @@ func defConfForType(t RepoType) interface{} {
 		return config.DefaultStorageMiner()
 	case Worker:
 		return &struct{}{}
+	case Wallet:
+		return &struct{}{}
 	default:
 		panic(fmt.Sprintf("unknown RepoType(%d)", int(t)))
 	}
@@ -87,6 +90,12 @@ func (fsr *FsRepo) Exists() (bool, error) {
 	notexist := os.IsNotExist(err)
 	if notexist {
 		err = nil
+
+		_, err = os.Stat(filepath.Join(fsr.path, fsKeystore))
+		notexist = os.IsNotExist(err)
+		if notexist {
+			err = nil
+		}
 	}
 	return !notexist, err
 }