package config import ( "fmt" "github.com/spf13/viper" ) type Config struct { ListenPort int `mapstructure:"listen_port"` ListenAddr string `mapstructure:"listen_addr"` IsBootstrap bool `mapstructure:"is_bootstrap"` BootstrapNodes []string `mapstructure:"bootstrap_node_multiaddr"` Rendezvous string `mapstructure:"rendezvous"` Ethereum EthereumConfig `mapstructure:"ethereum"` Filecoin FilecoinConfig `mapstructure:"filecoin"` PubSub PubSubConfig `mapstructure:"pubSub"` Store StoreConfig `mapstructure:"store"` ConsensusMinApprovals int `mapstructure:"consensus_min_approvals"` Redis RedisConfig `mapstructure:"redis"` CacheType string `mapstructure:"cache_type"` } type EthereumConfig struct { GatewayAddress string `mapstructure:"gateway_address"` ChainID int `mapstructure:"chain_id"` PrivateKey string `mapstructure:"private_key"` MnemonicPhrase string `mapstructure:"mnemonic_phrase"` HDDerivationPath string `mapstructure:"hd_derivation_path"` DioneOracleContractAddress string `mapstructure:"oracle_contract_address"` DioneStakingContractAddress string `mapstructure:"staking_contract_address"` DisputeContractAddress string `mapstructure:"dispute_contract_address"` DisputeVoteWindow int `mapstructure:"dispute_vote_window"` // in secs } type FilecoinConfig struct { LotusHost string `mapstructure:"lotusHost"` LotusToken string `mapstructure:"lotusToken"` } type PubSubConfig struct { ProtocolID string `mapstructure:"protocolID"` ServiceTopicName string `mapstructure:"serviceTopicName"` } type StoreConfig struct { DatabaseURL string `mapstructure:"database_url"` } type RedisConfig struct { Addr string `mapstructure:"redis_addr"` Password string `mapstructure:"redis_password"` DB int `mapstructure:"redis_db"` } // NewConfig creates a new config based on default values or provided .env file func NewConfig(configPath string) (*Config, error) { dbName := "dione" username := "user" password := "password" dbURL := fmt.Sprintf("host=localhost user=%s password=%s dbname=%s sslmode=disable", username, password, dbName) cfg := &Config{ ListenAddr: "localhost", ListenPort: 8000, BootstrapNodes: []string{"/ip4/127.0.0.1/tcp/0"}, Rendezvous: "filecoin-p2p-oracle", Ethereum: EthereumConfig{ PrivateKey: "", }, PubSub: PubSubConfig{ ProtocolID: "p2p-oracle", }, Store: StoreConfig{ DatabaseURL: dbURL, }, Redis: RedisConfig{ Addr: "redisDB:6379", Password: "", DB: 0, }, CacheType: "in-memory", } viper.SetConfigFile(configPath) err := viper.ReadInConfig() if err != nil { return nil, err } err = viper.Unmarshal(cfg) if err != nil { return nil, err } return cfg, nil }