fix: miss handler SignMode_SIGN_MODE_TEXTUAL (#529)

cmd/picad/cmd/root.go

@@ -5,7 +5,11 @@ import (
 	"io"
 	"os"
 
+	"github.com/cosmos/cosmos-sdk/types/tx/signing"
+	"github.com/cosmos/cosmos-sdk/x/auth/tx"
+
 	"github.com/cosmos/cosmos-sdk/crypto/keyring"
+	txmodule "github.com/cosmos/cosmos-sdk/x/auth/tx/config"
 
 	"cosmossdk.io/log"
 	tmcli "github.com/cometbft/cometbft/libs/cli"
@@ -91,6 +95,25 @@ func NewRootCmd() (*cobra.Command, app.EncodingConfig) {
 				return err
 			}
 
+			// This needs to go after ReadFromClientConfig, as that function
+			// sets the RPC client needed for SIGN_MODE_TEXTUAL. This sign mode
+			// is only available if the client is online.
+			if !initClientCtx.Offline {
+				txConfigOpts := tx.ConfigOptions{
+					EnabledSignModes:           append(tx.DefaultSignModes, signing.SignMode_SIGN_MODE_TEXTUAL),
+					TextualCoinMetadataQueryFn: txmodule.NewGRPCCoinMetadataQueryFn(initClientCtx),
+				}
+				txConfig, err := tx.NewTxConfigWithOptions(
+					initClientCtx.Codec,
+					txConfigOpts,
+				)
+				if err != nil {
+					return err
+				}
+
+				initClientCtx = initClientCtx.WithTxConfig(txConfig)
+			}
+
 			if err := client.SetCmdClientContextHandler(initClientCtx, cmd); err != nil {
 				return err
 			}