config

type Account struct {
	// Mode specifies the ethereum account mode to use
	// currently supported values: keyfile, privatekey
	Mode            string `yaml:"mode"`
	KeyFilePath     string `yaml:"key_file_path"`
	KeyFilePassword string `yaml:"key_file_password"`
	PrivateKey      string `yaml:"private_key"`
	GasPrice        `yaml:"gas_price"`
}

type Blockchain struct {
	// APIKey provides an API key to be used for authenticaiton with an rpc provider
	APIKey string `yaml:"api_key" envconfig:"optional"`
	// ProvderType indicates the type of rpc provider
	// current values are: infura, direct, simulated
	// when direct is provided we connected directly via the RPC parameter
	// when simulated is provided we create an in-memory blockchain
	ProviderType string `yaml:"provider_type"`
	// Network indicates the network type
	// current values are: mainnet, kovan, rinkeby, ropsten
	Network string `yaml:"network"`
	// RPC is the JSON-RPC provider url used when directly connecting to a node
	RPC string `yaml:"rpc" envconfig:"optional"`
	// Websockets when set to true will attempt to use websockets connection negotiation
	Websockets bool `yaml:"websockets" envconfig:"optional"`
	// Account provides configuration for transaction signing and gas price estimation
	Account `yaml:"account"`
}

type Config struct {
	Database   `yaml:"database" envconfig:"optional"`
	Blockchain `yaml:"blockchain" envconfig:"optional"`
	Logger     `yaml:"logger"`
}

type Database struct {
	// Type specifies the database type to be used
	// currently supports: sqlite, postgres
	// when using sqlite type all other options except DBName and DBPath are ignore
	Type string `yaml:"type"`
	// Host specifies the database host address
	Host string `yaml:"host"  envconfig:"optional"`
	// Port specifies the port the database is exposed on
	Port string `yaml:"port"  envconfig:"optional"`
	// User specifies the username to use for authentication
	User string `yaml:"user"  envconfig:"optional"`
	// Pass specifies the password to use for authentication
	Pass string `yaml:"pass"  envconfig:"optional"`
	// DBName specifies the name of the database
	DBName string `yaml:"db_name"`
	// DBPath specifies the path to the database file (only applicable to sqlite)
	DBPath string `yaml:"db_path"  envconfig:"optional"`
	// SSLModeDisable specifies whether or not to disable ssl connection layer security
	SSLModeDisable bool `yaml:"ssl_mode_disable"  envconfig:"optional"`
}

type GasPrice struct {
	// reports the minimum amount of gwei we will spend
	// if the gas price oracle from go-ethereum reports less than this
	// we override the gas price to this
	MinimumGwei string `yaml:"minimum_gwei"`
	// Multiplier controls the gas price multiplier
	// whatever the minimum gwei, or the value reported by the gasprice oracle
	// we multiply it by the value specified here. It defaults to three and should only
	// be changed with care as decreasing the multiplier could result in failure to get
	// next block transaction inclusion
	Multiplier string `yaml:"multiplier"`
}

type Logger struct {
	// Path to store the configuration file
	Path string `yaml:"path" envconfig:"default=go-defi.log"`
	// Debug enables displaying of debug logs
	Debug bool `yaml:"debug" envconfig:"optional"`
	// Dev enables foramtting of logs to be more human readable
	Dev bool `yaml:"dev" envconfig:"optional"`
	// FileOnly disables stdout logging and will only display log output in `Path`
	FileOnly bool `yaml:"file_only" envconfig:"optional"`
	// Fields provides optional fields to use for logging metadata
	Fields map[string]interface{} `yaml:"fields" envconfig:"optional"`
}