client

package
v1.18.14 Latest Latest
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 Go to latest Published: Dec 14, 2024 License: MIT Imports: 22 Imported by: 10

Documentation

Overview

Provides functions and data structures to interact with the system nodes in the context of the blockchain network.

Index

Constants

View Source 
const GetBalanceUrl = "client/get/balance"

Variables

View Source 
var (
	IsAppFlow = false
)
View Source 
var SignFn = func(hash string) (string, error) {
	ss := zcncrypto.NewSignatureScheme(client.signatureScheme)

	err := ss.SetPrivateKey(client.wallet.Keys[0].PrivateKey)
	if err != nil {
		return "", err
	}

	return ss.Sign(hash)
}

Functions

func AuthUrl 

func AuthUrl() string

func GetClient 

func GetClient() *zcncrypto.Wallet

func GetClientSysKeys 

func GetClientSysKeys(clients ...string) []sys.KeyPair

func GetNetwork 

func GetNetwork(ctx context.Context) (*conf.Network, error)

GetNetwork gets current network details from 0chain network.

func GetWallet 

func GetWallet() *zcncrypto.Wallet

func Id 

func Id(clients ...string) string

func Init 

func Init(ctx context.Context, cfg conf.Config) error

Init Initializes SDK.

func InitCache 

func InitCache(sharders *NodeHolder)

func InitSDK 

func InitSDK(walletJSON string,
	blockWorker, chainID, signatureScheme string,
	nonce int64, addWallet bool,
	options ...int) error

InitSDK Initialize the storage SDK

  • walletJSON: Client's wallet JSON
  • blockWorker: Block worker URL (block worker refers to 0DNS)
  • chainID: ID of the blokcchain network
  • signatureScheme: Signature scheme that will be used for signing transactions
  • preferredBlobbers: List of preferred blobbers to use when creating an allocation. This is usually configured by the client in the configuration files
  • nonce: Initial nonce value for the transactions
  • fee: Preferred value for the transaction fee, just the first value is taken

func InitSDKWithWebApp added in v1.18.14 

func InitSDKWithWebApp(params InitSdkOptions) error

func IsSDKInitialized 

func IsSDKInitialized() bool

func IsWalletSet 

func IsWalletSet() bool

func MakeSCRestAPICallToSharder added in v1.18.14 

func MakeSCRestAPICallToSharder(scAddress string, relativePath string, params map[string]string, restApiUrls ...string) ([]byte, error)

func Mnemonic 

func Mnemonic() string

func Nonce 

func Nonce() int64

func PopulateClient 

func PopulateClient(walletJSON, signatureScheme string) (zcncrypto.Wallet, error)

func PrivateKey 

func PrivateKey() string

func PublicKey 

func PublicKey(clients ...string) string

func SetAuthUrl 

func SetAuthUrl(url string) error

SetAuthUrl will be called by app to set zauth URL to SDK

func SetIsAppFlow added in v1.18.14 

func SetIsAppFlow(val bool)

func SetNonce 

func SetNonce(n int64)

func SetSdkInitialized 

func SetSdkInitialized(val bool)

func SetSignatureScheme 

func SetSignatureScheme(signatureScheme string)

func SetSplitKeyWallet 

func SetSplitKeyWallet(isSplitKeyWallet bool) error

splitKeyWallet parameter is valid only if SignatureScheme is "BLS0Chain"

func SetTxnFee 

func SetTxnFee(f uint64)

func SetWallet 

func SetWallet(w zcncrypto.Wallet)

SetWallet should be set before any transaction or client specific APIs

func SetWalletMode added in v1.18.0 

func SetWalletMode(mode bool)

SetWalletMode sets current wallet split key mode.

func SignatureScheme 

func SignatureScheme() string

func SplitKeyWallet 

func SplitKeyWallet() bool

func TxnFee 

func TxnFee() uint64

func VerifySignature 

func VerifySignature(signature string, msg string) (bool, error)

func VerifySignatureWith 

func VerifySignatureWith(pubKey, signature, hash string) (bool, error)

func Wallet 

func Wallet() *zcncrypto.Wallet

Types

type Client 

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

maintains client's information

type GetBalanceResponse 

type GetBalanceResponse struct {
	Txn     string `json:"txn"`
	Round   int64  `json:"round"`
	Balance int64  `json:"balance"`
	Nonce   int64  `json:"nonce"`
}

func GetBalance 

func GetBalance(clientIDs ...string) (*GetBalanceResponse, error)

func (GetBalanceResponse) ToToken 

func (b GetBalanceResponse) ToToken() (float64, error)

ToToken converts Balance to ZCN tokens.

type InitSdkOptions added in v1.18.14 

type InitSdkOptions struct {
	WalletJSON              string
	BlockWorker             string
	ChainID                 string
	SignatureScheme         string
	Nonce                   int64
	IsSplitWallet           bool
	AddWallet               bool
	TxnFee                  *int
	MinConfirmation         *int
	MinSubmit               *int
	ConfirmationChainLength *int
	SharderConsensous       *int
	ZboxHost                string
	ZboxAppType             string
}

type Node 

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

Node Maintains central states of SDK (client's context, network). Initialized through Init function. Use client.GetNode() to get its instance after Init is called.

func GetNode 

func GetNode() (*Node, error)

GetNode Returns Node instance. If this function is called before Init(), error is returned.

func (*Node) GetMinShardersVerify 

func (n *Node) GetMinShardersVerify() int

GetMinShardersVerify Returns minimum sharders used for verification

func (*Node) GetStableMiners 

func (n *Node) GetStableMiners() []string

GetStableMiners Returns stable miner urls. Length of stable miners is depedent on config's MinSubmit and number of miners in network.

func (*Node) Network 

func (n *Node) Network() *conf.Network

Network Returns network configuration

func (*Node) ResetStableMiners 

func (n *Node) ResetStableMiners()

ResetStableMiners resets stable miners as a random permutation of network miners. Length of stable miners is depedent on config's MinSubmit and number of miners in network.

func (*Node) Sharders 

func (n *Node) Sharders() *NodeHolder

Sharders Returns NodeHolder instance

func (*Node) ShouldUpdateNetwork 

func (n *Node) ShouldUpdateNetwork() (bool, *conf.Network, error)

ShouldUpdateNetwork Gets network details and return it as second value. First value is true iff current network details doesn't match existing network details. Use node.UpdateNetwork() method to set the new network.

func (*Node) UpdateNetwork 

func (n *Node) UpdateNetwork(network *conf.Network) error

UpdateNetwork Use node.UpdateNetwork() method to set the new network.

type NodeHolder 

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

func NewHolder 

func NewHolder(nodes []string, consensus int) *NodeHolder

func (*NodeHolder) All 

func (h *NodeHolder) All() (res []string)

func (*NodeHolder) Fail 

func (h *NodeHolder) Fail(id string)

func (*NodeHolder) Healthy 

func (h *NodeHolder) Healthy() (res []string)

func (*NodeHolder) Success 

func (h *NodeHolder) Success(id string)

type NodeStruct 

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

func NewNode 

func NewNode(id string) *NodeStruct

type NonceCache 

type NonceCache struct {
	// contains filtered or unexported fields
}
var Cache *NonceCache

func (*NonceCache) Evict 

func (nc *NonceCache) Evict(clientId string)

func (*NonceCache) GetNextNonce 

func (nc *NonceCache) GetNextNonce(clientId string) int64

func (*NonceCache) Set 

func (nc *NonceCache) Set(clientId string, nonce int64)

type SCRestAPIHandler 

type SCRestAPIHandler func(response map[string][]byte, numSharders int, err error)

SCRestAPIHandler is a function type to handle the response from the SC Rest API 

`response` - the response from the SC Rest API
`numSharders` - the number of sharders that responded
`err` - the error if any

type SignFunc 

type SignFunc func(hash string, clients ...string) (string, error)
var (
	Sign SignFunc
)

Source Files

View all Source files

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