fix log and example

examples/requester/config.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"os"
+	"time"
+
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/spf13/viper"
+)
+
+type ChainConfig struct {
+	ChainID string        `yaml:"chain_id" mapstructure:"chain_id"`
+	RPC     string        `yaml:"rpc"      mapstructure:"rpc"`
+	Fee     string        `yaml:"fee"      mapstructure:"fee"`
+	Timeout time.Duration `yaml:"timeout"  mapstructure:"timeout"`
+}
+
+type RequestConfig struct {
+	OracleScriptID int    `yaml:"oracle_script_id" mapstructure:"oracle_script_id"`
+	Calldata       string `yaml:"calldata"         mapstructure:"calldata"`
+	Mnemonic       string `yaml:"mnemonic"         mapstructure:"mnemonic"`
+}
+
+type Config struct {
+	Chain    ChainConfig   `yaml:"chain"     mapstructure:"chain"`
+	Request  RequestConfig `yaml:"request"   mapstructure:"request"`
+	LogLevel string        `yaml:"log_level" mapstructure:"log_level"`
+	SDK      *sdk.Config
+}
+
+func GetConfig(name string) (Config, error) {
+	viper.SetConfigType("yaml")
+	viper.SetConfigName(name)
+	viper.AddConfigPath("./requester/configs")
+
+	if err := viper.ReadInConfig(); err != nil {
+		return Config{}, err
+	}
+
+	var config Config
+	if err := viper.Unmarshal(&config); err != nil {
+		return Config{}, err
+	}
+
+	config.SDK = sdk.GetConfig()
+
+	return config, nil
+}
+
+func GetEnv(key, fallback string) string {
+	if value, ok := os.LookupEnv(key); ok {
+		return value
+	}
+	return fallback
+}