[#68] Support NEP-6 wallets

Signed-off-by: Denis Kirillov <denis@nspcc.ru>

settings.go

@@ -49,6 +49,9 @@ const (
 	cfgLoggerSamplingInitial    = "logger.sampling.initial"
 	cfgLoggerSamplingThereafter = "logger.sampling.thereafter"
 
+	// Wallet.
+	cfgWalletPassphrase = "wallet.passphrase"
+
 	// Uploader Header.
 	cfgUploaderHeaderEnableDefaultTimestamp = "upload_header.use_default_timestamp"
 
@@ -60,12 +63,13 @@ const (
 	cfgApplicationVersion = "app.version"
 
 	// Command line args.
-	cmdHelp     = "help"
-	cmdVersion  = "version"
-	cmdVerbose  = "verbose"
-	cmdPprof    = "pprof"
-	cmdMetrics  = "metrics"
-	cmdNeoFSKey = "key"
+	cmdHelp    = "help"
+	cmdVersion = "version"
+	cmdVerbose = "verbose"
+	cmdPprof   = "pprof"
+	cmdMetrics = "metrics"
+	cmdWallet  = "wallet"
+	cmdAddress = "address"
 )
 
 var ignore = map[string]struct{}{
@@ -96,7 +100,8 @@ func settings() *viper.Viper {
 	help := flags.BoolP(cmdHelp, "h", false, "show help")
 	version := flags.BoolP(cmdVersion, "v", false, "show version")
 
-	flags.StringP(cmdNeoFSKey, "k", "", `path to private key file, hex string or wif (autogenerated key will be used if not specified)`)
+	flags.StringP(cmdWallet, "w", "", `path to the wallet`)
+	flags.String(cmdAddress, "", `address of wallet account`)
 	flags.Bool(cmdVerbose, false, "debug gRPC connections")
 	flags.Duration(cfgConTimeout, defaultConnectTimeout, "gRPC connect timeout")
 	flags.Duration(cfgReqTimeout, defaultRequestTimeout, "gRPC request timeout")