conf

Documentation

Overview

Provides the data structures and methods to work with the configuration data structure. This includes parsing, loading, and saving the configuration data structure. It uses the viper library to parse and manage the configuration data structure.

Index

• Constants
• Variables
• func InitChainNetwork(n *Network)
• func InitClientConfig(c *Config)
• type Config
  • func GetClientConfig() (*Config, error)
  • func LoadConfig(v Reader) (Config, error)
  • func LoadConfigFile(file string) (Config, error)
• type JSONReader
  • func (r *JSONReader) GetInt(key string) int
  • func (r *JSONReader) GetString(key string) string
  • func (r *JSONReader) GetStringSlice(key string) []string
• type Network
  • func LoadNetwork(v Reader) Network
  • func LoadNetworkFile(file string) (Network, error)
  • func (n *Network) IsValid() bool
• type Reader
  • func NewReaderFromJSON(data string) (Reader, error)

Constants

const (
	// DefaultMinSubmit default value for min_submit
	DefaultMinSubmit = 10
	// DefaultMinConfirmation default value for min_confirmation
	DefaultMinConfirmation = 10
	// DefaultMaxTxnQuery default value for max_txn_query
	DefaultMaxTxnQuery = 5
	// DefaultConfirmationChainLength default value for confirmation_chain_length
	DefaultConfirmationChainLength = 3
	// DefaultQuerySleepTime default value for query_sleep_time
	DefaultQuerySleepTime = 5
	// DefaultSharderConsensous default consensous to take make SCRestAPI calls
	DefaultSharderConsensous = 3
)

Variables

var (
	//ErrNilConfig config is nil
	ErrNilConfig = errors.New("[conf]config is nil")

	// ErrMssingConfig config file is missing
	ErrMssingConfig = errors.New("[conf]missing config file")
	// ErrInvalidValue invalid value in config
	ErrInvalidValue = errors.New("[conf]invalid value")
	// ErrBadParsing fail to parse config via spf13/viper
	ErrBadParsing = errors.New("[conf]bad parsing")

	// ErrConfigNotInitialized config is not initialized
	ErrConfigNotInitialized = errors.New("[conf]conf.cfg is not initialized. please initialize it by conf.InitClientConfig")
)

Functions

func InitChainNetwork

func InitChainNetwork(n *Network)

InitChainNetwork set global chain network for the SDK given its configuration

func InitClientConfig

func InitClientConfig(c *Config)

InitClientConfig set global client SDK config

Types

type Config

type Config struct {
	// BlockWorker the url of 0dns's network api
	BlockWorker string `json:"block_worker,omitempty"`
	// PreferredBlobbers preferred blobbers on new allocation
	PreferredBlobbers []string `json:"preferred_blobbers,omitempty"`

	// MinSubmit mininal submit from blobber
	MinSubmit int `json:"min_submit,omitempty"`
	// MinConfirmation mininal confirmation from sharders
	MinConfirmation int `json:"min_confirmation,omitempty"`
	// CconfirmationChainLength minial confirmation chain length
	ConfirmationChainLength int `json:"confirmation_chain_length,omitempty"`

	// additional settings depending network latency
	// MaxTxnQuery maximum transcation query from sharders
	MaxTxnQuery int `json:"max_txn_query,omitempty"`
	// QuerySleepTime sleep time before transcation query
	QuerySleepTime int `json:"query_sleep_time,omitempty"`

	// SignatureScheme signature scheme
	SignatureScheme string `json:"signature_scheme,omitempty"`
	// ChainID which blockchain it is working
	ChainID string `json:"chain_id,omitempty"`

	VerifyOptimistic bool

	// Ethereum node: "https://ropsten.infura.io/v3/xxxxxxxxxxxxxxx"
	EthereumNode string `json:"ethereum_node,omitempty"`

	// ZboxHost 0box api host host: "https://0box.dev.0chain.net"
	ZboxHost string `json:"zbox_host"`
	// ZboxAppType app type name
	ZboxAppType string `json:"zbox_app_type"`
	// SharderConsensous is consensous for when quering for SCRestAPI calls
	SharderConsensous int          `json:"sharder_consensous"`
	ZauthServer       string       `json:"zauth_server"`
	V                 *viper.Viper `json:"-"`
}

Config settings from ~/.zcn/config.yaml

block_worker: http://198.18.0.98:9091
signature_scheme: bls0chain
min_submit: 50
min_confirmation: 50
confirmation_chain_length: 3
max_txn_query: 5
query_sleep_time: 5
# # OPTIONAL - Uncomment to use/ Add more if you want
# preferred_blobbers:
#   - http://one.devnet-0chain.net:31051
#   - http://one.devnet-0chain.net:31052
#   - http://one.devnet-0chain.net:31053

func GetClientConfig

func GetClientConfig() (*Config, error)

GetClientConfig get global client config from the SDK configuration

func LoadConfig

func LoadConfig(v Reader) (Config, error)

LoadConfig load and parse config

func LoadConfigFile

func LoadConfigFile(file string) (Config, error)

LoadConfigFile load and parse SDK Config from file

• file: config file path (full path)

type JSONReader

type JSONReader struct {
	// contains filtered or unexported fields
}

JSONReader read config from json

func (*JSONReader) GetInt

func (r *JSONReader) GetInt(key string) int

GetInt read int from key

func (*JSONReader) GetString

func (r *JSONReader) GetString(key string) string

GetString read string from key

func (*JSONReader) GetStringSlice

func (r *JSONReader) GetStringSlice(key string) []string

GetStringSlice get string slice from key

type Network

type Network struct {
	// Sharders sharder list of blockchain
	Sharders []string
	// Miners miner list of blockchain
	Miners []string
}

Network settings from ~/.zcn/network.yaml

func LoadNetwork

func LoadNetwork(v Reader) Network

LoadNetwork load and parse network

func LoadNetworkFile

func LoadNetworkFile(file string) (Network, error)

LoadNetworkFile load and parse Network from file

• file is the path of the file (full path)

func (*Network) IsValid

func (n *Network) IsValid() bool

IsValid check network if it has miners and sharders

type Reader

type Reader interface {
	GetString(key string) string
	GetInt(key string) int
	GetStringSlice(key string) []string
}

Reader a config reader

func NewReaderFromJSON

func NewReaderFromJSON(data string) (Reader, error)

NewReaderFromJSON create a JSONReader from json string