feat(client): add default key name (#18101)

client/config/config.go

@@ -12,11 +12,12 @@ import (
 // DefaultConfig returns default config for the client.toml
 func DefaultConfig() *Config {
 	return &Config{
-		ChainID:        "",
-		KeyringBackend: "os",
-		Output:         "text",
-		Node:           "tcp://localhost:26657",
-		BroadcastMode:  "sync",
+		ChainID:               "",
+		KeyringBackend:        "os",
+		KeyringDefaultKeyName: "",
+		Output:                "text",
+		Node:                  "tcp://localhost:26657",
+		BroadcastMode:         "sync",
 	}
 }
 
@@ -25,11 +26,12 @@ func DefaultConfig() *Config {
 type ClientConfig Config
 
 type Config struct {
-	ChainID        string `mapstructure:"chain-id" json:"chain-id"`
-	KeyringBackend string `mapstructure:"keyring-backend" json:"keyring-backend"`
-	Output         string `mapstructure:"output" json:"output"`
-	Node           string `mapstructure:"node" json:"node"`
-	BroadcastMode  string `mapstructure:"broadcast-mode" json:"broadcast-mode"`
+	ChainID               string `mapstructure:"chain-id" json:"chain-id"`
+	KeyringBackend        string `mapstructure:"keyring-backend" json:"keyring-backend"`
+	KeyringDefaultKeyName string `mapstructure:"keyring-default-keyname" json:"keyring-default-keyname"`
+	Output                string `mapstructure:"output" json:"output"`
+	Node                  string `mapstructure:"node" json:"node"`
+	BroadcastMode         string `mapstructure:"broadcast-mode" json:"broadcast-mode"`
 }
 
 // ReadFromClientConfig reads values from client.toml file and updates them in client.Context
@@ -95,7 +97,8 @@ func CreateClientConfig(ctx client.Context, customClientTemplate string, customC
 	// we need to update KeyringDir field on client.Context first cause it is used in NewKeyringFromBackend
 	ctx = ctx.WithOutputFormat(conf.Output).
 		WithChainID(conf.ChainID).
-		WithKeyringDir(ctx.HomeDir)
+		WithKeyringDir(ctx.HomeDir).
+		WithKeyringDefaultKeyName(conf.KeyringDefaultKeyName)
 
 	keyring, err := client.NewKeyringFromBackend(ctx, conf.KeyringBackend)
 	if err != nil {

client/config/toml.go

@@ -19,6 +19,8 @@ const DefaultClientConfigTemplate = `# This is a TOML config file.
 chain-id = "{{ .ChainID }}"
 # The keyring's backend, where the keys are stored (os|file|kwallet|pass|test|memory)
 keyring-backend = "{{ .KeyringBackend }}"
+# Default key name, if set, defines the default key to use for signing transaction when the --from flag is not specified
+keyring-default-keyname = "{{ .KeyringDefaultKeyName }}"
 # CLI output format (text|json)
 output = "{{ .Output }}"
 # <host>:<port> to CometBFT RPC interface for this chain