zcncore

package
v1.0.33 Latest Latest
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 Go to latest Published: Feb 28, 2020 License: MIT Imports: 19 Imported by: 11

Documentation

Index

Constants

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const (
	StatusSuccess      int = 0
	StatusNetworkError int = 1
	// TODO: Change to specific error
	StatusError            int = 2
	StatusRejectedByUser   int = 3
	StatusInvalidSignature int = 4
	StatusAuthError        int = 5
	StatusAuthVerifyFailed int = 6
	StatusAuthTimeout      int = 7
	StatusUnknown          int = -1
)
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const (
	OpGetTokenLockConfig int = 0
	OpGetLockedTokens    int = 1
	OpGetUserPools       int = 2
	OpGetUserPoolDetail  int = 3
	OpGetBlobbers        int = 4
)
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const FaucetSmartContractAddress = `6dba10422e368813802877a85039d3985d96760ed844092319743fb3a76712d3`
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const InterestPoolSmartContractAddress = `6dba10422e368813802877a85039d3985d96760ed844092319743fb3a76712d9`
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const MinerSmartContractAddress = `6dba10422e368813802877a85039d3985d96760ed844092319743fb3a76712d1`
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const MultiSigRegisterFuncName = "register"
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const MultiSigSmartContractAddress = `27b5ef7120252b79f9dd9c05505dd28f328c80f6863ee446daede08a84d651a7`
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const MultiSigVoteFuncName = "vote"
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const StorageSmartContractAddress = `6dba10422e368813802877a85039d3985d96760ed844092319743fb3a76712d7`
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const TOKEN_UNIT = int64(10000000000)

Variables

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var GET_BALANCE = `/v1/client/get/balance?client_id=`
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var GET_BLOBBERS = `/v1/screst/` + StorageSmartContractAddress + `/getblobbers`
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var GET_BLOCK_INFO = `/v1/block/get?`
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var GET_LOCKED_TOKENS = `/v1/screst/` + InterestPoolSmartContractAddress + `/getPoolsStats?client_id=`
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var GET_LOCK_CONFIG = `/v1/screst/` + InterestPoolSmartContractAddress + `/getLockConfig`
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var GET_USER_POOLS = `/v1/screst/` + MinerSmartContractAddress + `/getUserPools?client_id=`
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var GET_USER_POOL_DETAIL = `/v1/screst/` + MinerSmartContractAddress + `/getPoolsStats?`
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var Logger logger.Logger
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var PUT_TRANSACTION = `/v1/transaction/put`
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var REGISTER_CLIENT = `/v1/client/put`
View Source 
var TXN_VERIFY_URL = `/v1/transaction/get/confirmation?hash=`

Functions

func CloseLog 

func CloseLog()

CloseLog closes log file

func ConvertToToken 

func ConvertToToken(value int64) float64

ConvertToToken converts the value to ZCN tokens

func ConvertToValue 

func ConvertToValue(token float64) int64

ConvertToValue converts ZCN tokens to value

func CreateMSVote 

func CreateMSVote(proposal, grpClientID, signerWalletstr, toClientID string, token int64) (string, error)

CreateMSVote create a vote for multisig

func CreateMSWallet 

func CreateMSWallet(t, n int) (string, string, []string, error)

CreateMSWallet returns multisig wallet information

func CreateWallet 

func CreateWallet(statusCb WalletCallback) error

CreateWallet creates the a wallet for the configure signature scheme. It also registers the wallet again to block chain.

func GetBalance 

func GetBalance(cb GetBalanceCallback) error

GetBalance retreives wallet balance from sharders

func GetBalanceWallet 

func GetBalanceWallet(walletStr string, cb GetBalanceCallback) error

GetBalance retreives wallet balance from sharders

func GetBlobbers 

func GetBlobbers(cb GetInfoCallback) error

func GetClientID 

func GetClientID(pkey string) string

GetClientID -- computes Client ID from publickey

func GetIdForUrl 

func GetIdForUrl(url string) string

func GetLockConfig 

func GetLockConfig(cb GetInfoCallback) error

GetLockConfig returns the lock token configuration information such as interest rate from blockchain

func GetLockedTokens 

func GetLockedTokens(cb GetInfoCallback) error

GetLockedTokens returns the ealier locked token pool stats

func GetMultisigPayload 

func GetMultisigPayload(mswstr string) (interface{}, error)

GetMultisigPayload given a multisig wallet as a string, makes a multisig wallet payload to register

func GetMultisigVotePayload 

func GetMultisigVotePayload(msvstr string) (interface{}, error)

GetMultisigVotePayload given a multisig vote as a string, makes a multisig vote payload to register

func GetUserPoolDetails added in v1.0.11 

func GetUserPoolDetails(clientID, poolID string, cb GetInfoCallback) error

func GetUserPools added in v1.0.11 

func GetUserPools(cb GetInfoCallback) error

func GetVersion 

func GetVersion() string

GetVersion - returns version string

func GetWallet 

func GetWallet(walletStr string) (*zcncrypto.Wallet, error)

GetWallet get a wallet object from a wallet string

func GetWalletClientID 

func GetWalletClientID(walletStr string) (string, error)

GetWalletClientID -- given a walletstr return ClientID

func GetZcnUSDInfo 

func GetZcnUSDInfo(cb GetUSDInfoCallback) error

GetZcnUSDInfo returns USD value for ZCN token from coinmarketcap.com

func Init 

func Init(c string) error

Init inializes the SDK with miner, sharder and signature scheme provided in configuration provided in JSON format

func InitZCNSDK 

func InitZCNSDK(miners []string, sharders []string, signscheme string, configs ...func(*ChainConfig) error) error

InitZCNSDK initializes the SDK with miner, sharder and signature scheme provided.

func IsMnemonicValid 

func IsMnemonicValid(mnemonic string) bool

IsMnemonicValid is an utility function to check the mnemonic valid

func RecoverWallet 

func RecoverWallet(mnemonic string, statusCb WalletCallback) error

RecoverWallet recovers the previously generated wallet using the mnemonic. It also registers the wallet again to block chain.

func RegisterToMiners 

func RegisterToMiners(wallet *zcncrypto.Wallet, statusCb WalletCallback) error

RegisterToMiners can be used to register the wallet.

func RegisterWallet 

func RegisterWallet(walletString string, cb WalletCallback)

RegisterWallet registers multisig related wallets

func SetAuthUrl 

func SetAuthUrl(url string) error

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

func SetLogFile 

func SetLogFile(logFile string, verbose bool)

SetLogFile - sets file path to write log verbose - true - console output; false - no console output

func SetLogLevel 

func SetLogLevel(lvl int)

SetLogLevel set the log level. lvl - 0 disabled; higher number (upto 4) more verbosity

func SetWalletInfo 

func SetWalletInfo(w string, splitKeyWallet bool) error

SetWalletInfo should be set before any transaction or client specific APIs splitKeyWallet parameter is valid only if SignatureScheme is "BLS0Chain"

func SetupAuth 

func SetupAuth(authHost, clientID, clientKey, publicKey, privateKey, localPublicKey string, cb AuthCallback) error

SetupAuth prepare auth app with clientid, key and a set of public, private key and local publickey which is running on PC/Mac.

func SplitKeys 

func SplitKeys(privateKey string, numSplits int) (string, error)

Split keys from the primary master key

func VerifyContentHash 

func VerifyContentHash(metaTxnDataJSON string) (bool, error)

func WithChainID 

func WithChainID(id string) func(c *ChainConfig) error

func WithConfirmationChainLength 

func WithConfirmationChainLength(m int) func(c *ChainConfig) error

func WithMinConfirmation 

func WithMinConfirmation(m int) func(c *ChainConfig) error

func WithMinSubmit 

func WithMinSubmit(m int) func(c *ChainConfig) error

Types

type AuthCallback 

type AuthCallback interface {
	// This call back gives the status of the Two factor authenticator(zauth) setup.
	OnSetupComplete(status int, err string)
}

AuthCallback needs to be implemented by the caller SetupAuth()

type ChainConfig 

type ChainConfig struct {
	ChainID                 string   `json:"chain_id,omitempty"`
	Miners                  []string `json:"miners"`
	Sharders                []string `json:"sharders"`
	SignatureScheme         string   `json:"signaturescheme"`
	MinSubmit               int      `json:"min_submit"`
	MinConfirmation         int      `json:"min_confirmation"`
	ConfirmationChainLength int      `json:"confirmation_chain_length"`
}

type GetBalanceCallback 

type GetBalanceCallback interface {
	OnBalanceAvailable(status int, value int64, info string)
}

GetBalanceCallback needs to be implemented by the caller of GetBalance() to get the status

type GetInfoCallback 

type GetInfoCallback interface {
	// OnInfoAvailable will be called when GetLockTokenConfig is complete
	// if status == StatusSuccess then info is valid
	// is status != StatusSuccess then err will give the reason
	OnInfoAvailable(op int, status int, info string, err string)
}

GetInfoCallback needs to be implemented by the caller of GetLockTokenConfig() and GetLockedTokens()

type GetUSDInfoCallback 

type GetUSDInfoCallback interface {
	// This will be called when GetZcnUSDInfo completes.
	// if status == StatusSuccess then info is valid
	// is status != StatusSuccess then err will give the reason
	OnUSDInfoAvailable(status int, info string, err string)
}

GetUSDInfoCallback needs to be implemented by the caller of GetZcnUSDInfo()

type MSTransfer 

type MSTransfer struct {
	ClientID   string `json:"from"`
	ToClientID string `json:"to"`
	Amount     int64  `json:"amount"`
}

MSTransfer - a data structure to hold state transfer from one client to another

type MSVote 

type MSVote struct {
	ProposalID string `json:"proposal_id"`

	// Client ID in transfer is that of the multi-sig wallet, not the signer.
	Transfer MSTransfer `json:"transfer"`

	Signature string `json:"signature"`
}

MSVote -- this should mimic the type Vote defined in MultiSig SC

type MSVoteCallback 

type MSVoteCallback interface {
	OnVoteComplete(status int, proposal string, err string)
}

MSVoteCallback callback definition multisig Vote function

type MSWallet 

type MSWallet struct {
	Id              int                                  `json:"id"`
	SignatureScheme string                               `json:"signature_scheme"`
	GroupClientID   string                               `json:"group_client_id"`
	GroupKey        *zcncrypto.BLS0ChainScheme           `json:"group_key"`
	SignerClientIDs []string                             `json:"sig_client_ids"`
	SignerKeys      []zcncrypto.BLS0ChainThresholdScheme `json:"signer_keys"`
	T               int                                  `json:"threshold"`
	N               int                                  `json:"num_subkeys"`
}

MSWallet Client data necessary for a multi-sig wallet.

func (*MSWallet) Marshal 

func (msw *MSWallet) Marshal() (string, error)

Marshal returns json string

type MultisigSCWallet 

type MultisigSCWallet struct {
	ClientID        string `json:"client_id"`
	SignatureScheme string `json:"signature_scheme"`
	PublicKey       string `json:"public_key"`

	SignerThresholdIDs []string `json:"signer_threshold_ids"`
	SignerPublicKeys   []string `json:"signer_public_keys"`

	NumRequired int `json:"num_required"`
}

MultisigSCWallet --this should mimic MultisigWallet definition in MultiSig SC

type Transaction 

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

func NewMSTransaction 

func NewMSTransaction(walletstr string, cb TransactionCallback) (*Transaction, error)

NewMSTransaction new transaction object for multisig operation

func (*Transaction) DeleteStake added in v1.0.11 

func (t *Transaction) DeleteStake(clientID, poolID string) error

func (*Transaction) ExecuteFaucetSCWallet 

func (t *Transaction) ExecuteFaucetSCWallet(walletStr string, methodName string, input []byte) error

ExecuteFaucetSCWallet impements the Faucet Smart contract for a given wallet

func (*Transaction) ExecuteSmartContract 

func (t *Transaction) ExecuteSmartContract(address, methodName, jsoninput string, val int64) error

func (*Transaction) GetTransactionError 

func (t *Transaction) GetTransactionError() string

func (*Transaction) GetTransactionHash 

func (t *Transaction) GetTransactionHash() string

func (*Transaction) GetVerifyError 

func (t *Transaction) GetVerifyError() string

func (*Transaction) GetVerifyOutput 

func (t *Transaction) GetVerifyOutput() string

func (*Transaction) LockTokens 

func (t *Transaction) LockTokens(val int64, durationHr int64, durationMin int) error

func (*Transaction) RegisterMultiSig 

func (t *Transaction) RegisterMultiSig(walletstr string, mswallet string) error

RegisterMultiSig register a multisig wallet with the SC.

func (*Transaction) RegisterVote 

func (t *Transaction) RegisterVote(signerwalletstr string, msvstr string) error

RegisterVote register a multisig wallet with the SC.

func (*Transaction) Send 

func (t *Transaction) Send(toClientID string, val int64, desc string) error

func (*Transaction) SendWithSignatureHash 

func (t *Transaction) SendWithSignatureHash(toClientID string, val int64, desc string, sig string, CreationDate int64, hash string) error

func (*Transaction) SetTransactionCallback 

func (t *Transaction) SetTransactionCallback(cb TransactionCallback) error

func (*Transaction) SetTransactionFee 

func (t *Transaction) SetTransactionFee(txnFee int64) error

func (*Transaction) SetTransactionHash 

func (t *Transaction) SetTransactionHash(hash string) error

func (*Transaction) Stake added in v1.0.11 

func (t *Transaction) Stake(clientID string, val int64) error

func (*Transaction) StoreData 

func (t *Transaction) StoreData(data string) error

func (*Transaction) UnlockTokens 

func (t *Transaction) UnlockTokens(poolID string) error

func (*Transaction) Verify 

func (t *Transaction) Verify() error

type TransactionCallback 

type TransactionCallback interface {
	OnTransactionComplete(t *Transaction, status int)
	OnVerifyComplete(t *Transaction, status int)
	OnAuthComplete(t *Transaction, status int)
}

TransactionCallback needs to be implemented by the caller for transaction related APIs

type TransactionScheme 

type TransactionScheme interface {
	// SetTransactionCallback implements storing the callback
	// used to call after the transaction or verification is completed
	SetTransactionCallback(cb TransactionCallback) error
	// Send implements sending token to a given clientid
	Send(toClientID string, val int64, desc string) error
	// StoreData implements store the data to blockchain
	StoreData(data string) error
	// ExecuteSmartContract impements the Faucet Smart contract
	ExecuteSmartContract(address, methodName, jsoninput string, val int64) error
	// ExecuteFaucetSCWallet impements the Faucet Smart contract for a given wallet
	ExecuteFaucetSCWallet(walletStr string, methodName string, input []byte) error
	// GetTransactionHash implements retrieval of hash of the submitted transaction
	GetTransactionHash() string
	// LockTokens implements the lock token.
	LockTokens(val int64, durationHr int64, durationMin int) error
	// UnlockTokens implements unlocking of earlier locked tokens.
	UnlockTokens(poolID string) error
	// Stake implementes token to be stake on clientID
	Stake(clientID string, val int64) error
	// DeleteStake implements deleteing staked tokens
	DeleteStake(clientID, poolID string) error
	//RegisterMultiSig registers a group wallet and subwallets with MultisigSC
	RegisterMultiSig(walletstr, mswallet string) error
	// SetTransactionHash implements verify a previous transation status
	SetTransactionHash(hash string) error
	// SetTransactionFee implements method to set the transaction fee
	SetTransactionFee(txnFee int64) error
	// Verify implements verify the transaction
	Verify() error
	// GetVerifyOutput implements the verifcation output from sharders
	GetVerifyOutput() string
	// GetTransactionError implements error string incase of transaction failure
	GetTransactionError() string
	// GetVerifyError implements error string incase of verify failure error
	GetVerifyError() string
}

TransactionScheme implements few methods for block chain

func NewTransaction 

func NewTransaction(cb TransactionCallback, txnFee int64) (TransactionScheme, error)

NewTransaction allocation new generic transaction object for any operation

type TransactionWithAuth 

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

func (*TransactionWithAuth) DeleteStake added in v1.0.11 

func (ta *TransactionWithAuth) DeleteStake(clientID, poolID string) error

func (*TransactionWithAuth) ExecuteFaucetSCWallet 

func (ta *TransactionWithAuth) ExecuteFaucetSCWallet(walletStr string, methodName string, input []byte) error

ExecuteFaucetSCWallet impements the Faucet Smart contract for a given wallet

func (*TransactionWithAuth) ExecuteSmartContract 

func (ta *TransactionWithAuth) ExecuteSmartContract(address, methodName, jsoninput string, val int64) error

func (*TransactionWithAuth) GetTransactionError 

func (ta *TransactionWithAuth) GetTransactionError() string

func (*TransactionWithAuth) GetTransactionHash 

func (ta *TransactionWithAuth) GetTransactionHash() string

func (*TransactionWithAuth) GetVerifyError 

func (ta *TransactionWithAuth) GetVerifyError() string

func (*TransactionWithAuth) GetVerifyOutput 

func (ta *TransactionWithAuth) GetVerifyOutput() string

func (*TransactionWithAuth) LockTokens 

func (ta *TransactionWithAuth) LockTokens(val int64, durationHr int64, durationMin int) error

func (*TransactionWithAuth) RegisterMultiSig 

func (ta *TransactionWithAuth) RegisterMultiSig(walletstr string, mswallet string) error

RegisterMultiSig register a multisig wallet with the SC.

func (*TransactionWithAuth) Send 

func (ta *TransactionWithAuth) Send(toClientID string, val int64, desc string) error

func (*TransactionWithAuth) SetTransactionCallback 

func (ta *TransactionWithAuth) SetTransactionCallback(cb TransactionCallback) error

func (*TransactionWithAuth) SetTransactionFee 

func (ta *TransactionWithAuth) SetTransactionFee(txnFee int64) error

func (*TransactionWithAuth) SetTransactionHash 

func (ta *TransactionWithAuth) SetTransactionHash(hash string) error

func (*TransactionWithAuth) Stake added in v1.0.11 

func (ta *TransactionWithAuth) Stake(clientID string, val int64) error

func (*TransactionWithAuth) StoreData 

func (ta *TransactionWithAuth) StoreData(data string) error

func (*TransactionWithAuth) UnlockTokens 

func (ta *TransactionWithAuth) UnlockTokens(poolID string) error

func (*TransactionWithAuth) Verify 

func (ta *TransactionWithAuth) Verify() error

type WalletCallback 

type WalletCallback interface {
	OnWalletCreateComplete(status int, wallet string, err string)
}

WalletCallback needs to be implmented for wallet creation.

Source Files

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