blockchain

package
v0.1.2 Latest Latest
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 Go to latest Published: Jul 2, 2023 License: Apache-2.0 Imports: 25 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var (
	ErrValidation         = errors.New("invalid data provided")
	ErrCurrencyNotFound   = errors.New("currency not found")
	ErrNoTokenAddress     = errors.New("token should have contract address filled")
	ErrParseMoney         = errors.New("unable to parse money value")
	ErrInsufficientFunds  = errors.New("wallet has insufficient funds")
	ErrInvalidTransaction = errors.New("transaction is invalid")
)

Functions 

func CreateExplorerTXLink(blockchain money.Blockchain, networkID, txID string) (string, error)
func CreatePaymentLink(addr string, currency money.CryptoCurrency, amount money.Money, isTest bool) (string, error)

func DefaultSetup 

func DefaultSetup(s *CurrencyResolver) error

nolint:gocritic DefaultSetup applied coins & tokens that are supported within Oxygen.

Types

type Broadcaster 

type Broadcaster interface {
	BroadcastTransaction(ctx context.Context, blockchain money.Blockchain, hex string, isTest bool) (string, error)
	GetTransactionReceipt(ctx context.Context, blockchain money.Blockchain, transactionID string, isTest bool) (*TransactionReceipt, error)
}

type Conversion 

type Conversion struct {
	Type ConversionType
	Rate float64
	From money.Money
	To   money.Money
}

type ConversionType 

type ConversionType string
const (
	ConversionTypeFiatToFiat   ConversionType = "fiatToFiat"
	ConversionTypeFiatToCrypto ConversionType = "fiatToCrypto"
	ConversionTypeCryptoToFiat ConversionType = "cryptoToFiat"
)

type Convertor 

type Convertor interface {
	GetExchangeRate(ctx context.Context, from, to string) (ExchangeRate, error)
	Convert(ctx context.Context, from, to, amount string) (Conversion, error)
	FiatToFiat(ctx context.Context, from money.Money, to money.FiatCurrency) (Conversion, error)
	FiatToCrypto(ctx context.Context, from money.Money, to money.CryptoCurrency) (Conversion, error)
	CryptoToFiat(ctx context.Context, from money.Money, to money.FiatCurrency) (Conversion, error)
}

type CurrencyResolver 

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

func NewCurrencies 

func NewCurrencies() *CurrencyResolver

func (*CurrencyResolver) GetCurrencyByBlockchainAndContract 

func (r *CurrencyResolver) GetCurrencyByBlockchainAndContract(bc money.Blockchain, networkID, addr string) (money.CryptoCurrency, error)

GetCurrencyByBlockchainAndContract searches currency by blockchain and contract address across both mainnet & testnet.

func (*CurrencyResolver) GetCurrencyByTicker 

func (r *CurrencyResolver) GetCurrencyByTicker(ticker string) (money.CryptoCurrency, error)

func (*CurrencyResolver) GetMinimalWithdrawalByTicker 

func (r *CurrencyResolver) GetMinimalWithdrawalByTicker(ticker string) (money.Money, error)

GetMinimalWithdrawalByTicker returns minimal withdrawal amount in USD for selected ticker.

func (*CurrencyResolver) GetUSDMinimalInternalTransferByTicker 

func (r *CurrencyResolver) GetUSDMinimalInternalTransferByTicker(ticker string) (money.Money, error)

GetUSDMinimalInternalTransferByTicker returns minimal internal transfer amount in USD for selected ticker. internal transfer is a transfer from inbound to outbound O2pay wallet.

func (*CurrencyResolver) ListBlockchainCurrencies 

func (r *CurrencyResolver) ListBlockchainCurrencies(blockchain money.Blockchain) []money.CryptoCurrency

func (*CurrencyResolver) ListSupportedBlockchains 

func (r *CurrencyResolver) ListSupportedBlockchains() []money.Blockchain

func (*CurrencyResolver) ListSupportedCurrencies 

func (r *CurrencyResolver) ListSupportedCurrencies() []money.CryptoCurrency

type EthFee 

type EthFee struct {
	GasUnits     uint   `json:"gasUnits"`
	GasPrice     string `json:"gasPrice"`
	PriorityFee  string `json:"priorityFee"`
	TotalCostWEI string `json:"totalCostWei"`
	TotalCostETH string `json:"totalCostEth"`
	TotalCostUSD string `json:"totalCostUsd"`
	// contains filtered or unexported fields
}

type ExchangeRate 

type ExchangeRate struct {
	From         string
	To           string
	Rate         float64
	CalculatedAt time.Time
}

type Fee 

type Fee struct {
	CalculatedAt time.Time
	Currency     money.CryptoCurrency
	IsTest       bool
	// contains filtered or unexported fields
}

func NewFee 

func NewFee(currency money.CryptoCurrency, at time.Time, isTest bool, fee any) Fee

func (*Fee) ToEthFee 

func (f *Fee) ToEthFee() (EthFee, error)

func (*Fee) ToMaticFee 

func (f *Fee) ToMaticFee() (MaticFee, error)

func (*Fee) ToTronFee 

func (f *Fee) ToTronFee() (TronFee, error)

type FeeCalculator 

type FeeCalculator interface {
	CalculateFee(ctx context.Context, baseCurrency, currency money.CryptoCurrency, isTest bool) (Fee, error)
	CalculateWithdrawalFeeUSD(ctx context.Context, baseCurrency, currency money.CryptoCurrency, isTest bool) (money.Money, error)
}

type MaticFee 

type MaticFee struct {
	GasUnits       uint   `json:"gasUnits"`
	GasPrice       string `json:"gasPrice"`
	PriorityFee    string `json:"priorityFee"`
	TotalCostWEI   string `json:"totalCostWei"`
	TotalCostMATIC string `json:"totalCostMatic"`
	TotalCostUSD   string `json:"totalCostUsd"`
	// contains filtered or unexported fields
}

type Providers 

type Providers struct {
	Tatum    *tatum.Provider
	Trongrid *trongrid.Provider
}

type Resolver 

type Resolver interface {
	ListSupportedCurrencies() []money.CryptoCurrency
	ListBlockchainCurrencies(blockchain money.Blockchain) []money.CryptoCurrency
	GetCurrencyByTicker(ticker string) (money.CryptoCurrency, error)
	GetCurrencyByBlockchainAndContract(bc money.Blockchain, networkID, addr string) (money.CryptoCurrency, error)
	GetMinimalWithdrawalByTicker(ticker string) (money.Money, error)
	GetUSDMinimalInternalTransferByTicker(ticker string) (money.Money, error)
}

type Service 

type Service struct {
	*CurrencyResolver
	// contains filtered or unexported fields
}

func New 

func New(currencies *CurrencyResolver, providers Providers, enableCache bool, logger *zerolog.Logger) *Service

func (*Service) BroadcastTransaction 

func (s *Service) BroadcastTransaction(ctx context.Context, blockchain money.Blockchain, rawTX string, isTest bool) (string, error)

func (*Service) CalculateFee 

func (s *Service) CalculateFee(ctx context.Context, baseCurrency, currency money.CryptoCurrency, isTest bool) (Fee, error)

CalculateFee calculates blockchain transaction fee for selected currency.

func (*Service) CalculateWithdrawalFeeUSD 

func (s *Service) CalculateWithdrawalFeeUSD(
	ctx context.Context,
	baseCurrency, currency money.CryptoCurrency,
	isTest bool,
) (money.Money, error)

CalculateWithdrawalFeeUSD withdrawal fees are tied to network fee but calculated in USD Example: usdFee, err := CalculateWithdrawalFeeUSD(ctx, eth, ethUSD, false)

func (*Service) Convert 

func (s *Service) Convert(ctx context.Context, from, to, amount string) (Conversion, error)

Convert Converts currencies according to automatically resolved ConversionType. This method parses amount as float64, please don't use it internally as output would contain huge error rate when dealing with 18 eth decimals. Suitable for API responses.

func (*Service) CryptoToFiat 

func (s *Service) CryptoToFiat(ctx context.Context, from money.Money, to money.FiatCurrency) (Conversion, error)

func (*Service) FiatToCrypto 

func (s *Service) FiatToCrypto(ctx context.Context, from money.Money, to money.CryptoCurrency) (Conversion, error)

func (*Service) FiatToFiat 

func (s *Service) FiatToFiat(ctx context.Context, from money.Money, to money.FiatCurrency) (Conversion, error)

func (*Service) GetExchangeRate 

func (s *Service) GetExchangeRate(ctx context.Context, from, to string) (ExchangeRate, error)

func (*Service) GetTransactionReceipt 

func (s *Service) GetTransactionReceipt(
	ctx context.Context,
	blockchain money.Blockchain,
	transactionID string,
	isTest bool,
) (*TransactionReceipt, error)

type TransactionReceipt 

type TransactionReceipt struct {
	Blockchain    money.Blockchain
	IsTest        bool
	Sender        string
	Recipient     string
	Hash          string
	Nonce         uint64
	NetworkFee    money.Money
	Success       bool
	Confirmations int64
	IsConfirmed   bool
}

type TronFee 

type TronFee struct {
	FeeLimitSun uint64 `json:"feeLimit"`
	FeeLimitTRX string `json:"feeLimitTrx"`
	FeeLimitUSD string `json:"feeLimitUsd"`
	// contains filtered or unexported fields
}

Source Files

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