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CurrencyPair.go
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CurrencyPair.go
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package goex
import "strings"
type Currency struct {
Symbol string
Desc string
}
func (c Currency) String() string {
return c.Symbol
}
func (c Currency) Eq(c2 Currency) bool {
return c.Symbol == c2.Symbol
}
// A->B(A兑换为B)
type CurrencyPair struct {
CurrencyA Currency
CurrencyB Currency
AmountTickSize int // 下单量精度
PriceTickSize int //交易对价格精度
}
var (
UNKNOWN = Currency{"UNKNOWN", ""}
CNY = Currency{"CNY", ""}
USD = Currency{"USD", ""}
USDT = Currency{"USDT", ""}
PAX = Currency{"PAX", "https://www.paxos.com/"}
USDC = Currency{"USDC", "https://www.centre.io/"}
EUR = Currency{"EUR", ""}
KRW = Currency{"KRW", ""}
JPY = Currency{"JPY", ""}
BTC = Currency{"BTC", "https://bitcoin.org/"}
XBT = Currency{"XBT", ""}
BCC = Currency{"BCC", ""}
BCH = Currency{"BCH", ""}
BCX = Currency{"BCX", ""}
LTC = Currency{"LTC", ""}
ETH = Currency{"ETH", ""}
ETC = Currency{"ETC", ""}
EOS = Currency{"EOS", ""}
BTS = Currency{"BTS", ""}
QTUM = Currency{"QTUM", ""}
SC = Currency{"SC", ""}
ANS = Currency{"ANS", ""}
ZEC = Currency{"ZEC", ""}
DCR = Currency{"DCR", ""}
XRP = Currency{"XRP", ""}
BTG = Currency{"BTG", ""}
BCD = Currency{"BCD", ""}
NEO = Currency{"NEO", ""}
HSR = Currency{"HSR", ""}
BSV = Currency{"BSV", ""}
OKB = Currency{"OKB", "OKB is a global utility token issued by OK Blockchain Foundation"}
HT = Currency{"HT", "HuoBi Token"}
BNB = Currency{"BNB", "BNB, or Binance Coin, is a cryptocurrency created by Binance."}
TRX = Currency{"TRX", ""}
GBP = Currency{"GBP", ""}
XLM = Currency{"XLM", ""}
DOT = Currency{"DOT", ""}
DASH = Currency{"DASH", ""}
CRV = Currency{"CRV", ""}
ALGO = Currency{"ALGO", ""}
//currency pair
BTC_KRW = CurrencyPair{CurrencyA: BTC, CurrencyB: KRW, AmountTickSize: 2, PriceTickSize: 1}
ETH_KRW = CurrencyPair{CurrencyA: ETH, CurrencyB: KRW, AmountTickSize: 2, PriceTickSize: 2}
ETC_KRW = CurrencyPair{CurrencyA: ETC, CurrencyB: KRW, AmountTickSize: 2, PriceTickSize: 2}
LTC_KRW = CurrencyPair{CurrencyA: LTC, CurrencyB: KRW, AmountTickSize: 2, PriceTickSize: 2}
BCH_KRW = CurrencyPair{CurrencyA: BCH, CurrencyB: KRW, AmountTickSize: 2, PriceTickSize: 2}
BTC_USD = CurrencyPair{CurrencyA: BTC, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 1}
LTC_USD = CurrencyPair{CurrencyA: LTC, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
ETH_USD = CurrencyPair{CurrencyA: ETH, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
ETC_USD = CurrencyPair{CurrencyA: ETC, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
BCH_USD = CurrencyPair{CurrencyA: BCH, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
XRP_USD = CurrencyPair{CurrencyA: XRP, CurrencyB: USD, AmountTickSize: 3, PriceTickSize: 3}
BCD_USD = CurrencyPair{CurrencyA: BCD, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 3}
EOS_USD = CurrencyPair{CurrencyA: EOS, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
BTG_USD = CurrencyPair{CurrencyA: BTG, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
BSV_USD = CurrencyPair{CurrencyA: BSV, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
DOT_USD = CurrencyPair{CurrencyA: DOT, CurrencyB: USD, AmountTickSize: 3, PriceTickSize: 2}
DASH_USD = CurrencyPair{CurrencyA: DASH, CurrencyB: USD, AmountTickSize: 2, PriceTickSize: 2}
CRV_USD = CurrencyPair{CurrencyA: CRV, CurrencyB: USD, AmountTickSize: 4, PriceTickSize: 3}
ALGO_USD = CurrencyPair{CurrencyA: ALGO, CurrencyB: USD, AmountTickSize: 4, PriceTickSize: 4}
BTC_USDT = CurrencyPair{CurrencyA: BTC, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 1}
LTC_USDT = CurrencyPair{CurrencyA: LTC, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
BCH_USDT = CurrencyPair{CurrencyA: BCH, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
ETC_USDT = CurrencyPair{CurrencyA: ETC, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 3}
ETH_USDT = CurrencyPair{CurrencyA: ETH, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
BCD_USDT = CurrencyPair{CurrencyA: BCD, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
NEO_USDT = CurrencyPair{CurrencyA: NEO, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
EOS_USDT = CurrencyPair{CurrencyA: EOS, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
XRP_USDT = CurrencyPair{CurrencyA: XRP, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
HSR_USDT = CurrencyPair{CurrencyA: HSR, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
BSV_USDT = CurrencyPair{CurrencyA: BSV, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
OKB_USDT = CurrencyPair{CurrencyA: OKB, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
HT_USDT = CurrencyPair{CurrencyA: HT, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 4}
BNB_USDT = CurrencyPair{CurrencyA: BNB, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
PAX_USDT = CurrencyPair{CurrencyA: PAX, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 3}
TRX_USDT = CurrencyPair{CurrencyA: TRX, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 3}
DOT_USDT = CurrencyPair{CurrencyA: DOT, CurrencyB: USDT, AmountTickSize: 3, PriceTickSize: 2}
DASH_USDT = CurrencyPair{CurrencyA: DASH, CurrencyB: USDT, AmountTickSize: 2, PriceTickSize: 2}
CRV_USDT = CurrencyPair{CurrencyA: CRV, CurrencyB: USDT, AmountTickSize: 3, PriceTickSize: 3}
ALGO_USDT = CurrencyPair{CurrencyA: ALGO, CurrencyB: USDT, AmountTickSize: 3, PriceTickSize: 4}
XRP_EUR = CurrencyPair{CurrencyA: XRP, CurrencyB: EUR, AmountTickSize: 2, PriceTickSize: 4}
BTC_JPY = CurrencyPair{CurrencyA: BTC, CurrencyB: JPY, AmountTickSize: 2, PriceTickSize: 0}
LTC_JPY = CurrencyPair{CurrencyA: LTC, CurrencyB: JPY, AmountTickSize: 2, PriceTickSize: 0}
ETH_JPY = CurrencyPair{CurrencyA: ETH, CurrencyB: JPY, AmountTickSize: 2, PriceTickSize: 0}
ETC_JPY = CurrencyPair{CurrencyA: ETC, CurrencyB: JPY, AmountTickSize: 2, PriceTickSize: 0}
BCH_JPY = CurrencyPair{CurrencyA: BCH, CurrencyB: JPY, AmountTickSize: 2, PriceTickSize: 0}
LTC_BTC = CurrencyPair{CurrencyA: LTC, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
ETH_BTC = CurrencyPair{CurrencyA: ETH, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
ETC_BTC = CurrencyPair{CurrencyA: ETC, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
BCC_BTC = CurrencyPair{CurrencyA: BCC, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
BCH_BTC = CurrencyPair{CurrencyA: BCH, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
DCR_BTC = CurrencyPair{CurrencyA: DCR, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
XRP_BTC = CurrencyPair{CurrencyA: XRP, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 6}
BTG_BTC = CurrencyPair{CurrencyA: BTG, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
BCD_BTC = CurrencyPair{CurrencyA: BCD, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
NEO_BTC = CurrencyPair{CurrencyA: NEO, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
EOS_BTC = CurrencyPair{CurrencyA: EOS, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 5}
HSR_BTC = CurrencyPair{CurrencyA: HSR, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
BSV_BTC = CurrencyPair{CurrencyA: BSV, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 4}
OKB_BTC = CurrencyPair{CurrencyA: OKB, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 6}
HT_BTC = CurrencyPair{CurrencyA: HT, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 7}
BNB_BTC = CurrencyPair{CurrencyA: BNB, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 6}
TRX_BTC = CurrencyPair{CurrencyA: TRX, CurrencyB: BTC, AmountTickSize: 2, PriceTickSize: 7}
DOT_BTC = CurrencyPair{CurrencyA: DOT, CurrencyB: BTC, AmountTickSize: 3, PriceTickSize: 6}
ETC_ETH = CurrencyPair{CurrencyA: ETC, CurrencyB: ETH, AmountTickSize: 2, PriceTickSize: 4}
EOS_ETH = CurrencyPair{CurrencyA: EOS, CurrencyB: ETH, AmountTickSize: 2, PriceTickSize: 4}
ZEC_ETH = CurrencyPair{CurrencyA: ZEC, CurrencyB: ETH, AmountTickSize: 2, PriceTickSize: 4}
NEO_ETH = CurrencyPair{CurrencyA: NEO, CurrencyB: ETH, AmountTickSize: 2, PriceTickSize: 4}
HSR_ETH = CurrencyPair{CurrencyA: HSR, CurrencyB: ETH, AmountTickSize: 2, PriceTickSize: 4}
LTC_ETH = CurrencyPair{CurrencyA: LTC, CurrencyB: ETH, AmountTickSize: 2, PriceTickSize: 4}
UNKNOWN_PAIR = CurrencyPair{CurrencyA: UNKNOWN, CurrencyB: UNKNOWN}
)
func (pair CurrencyPair) String() string {
return pair.ToSymbol("_")
}
func (pair CurrencyPair) Eq(c2 CurrencyPair) bool {
return pair.String() == c2.String()
}
func (c Currency) AdaptBchToBcc() Currency {
if c.Symbol == "BCH" || c.Symbol == "bch" {
return BCC
}
return c
}
func (c Currency) AdaptBccToBch() Currency {
if c.Symbol == "BCC" || c.Symbol == "bcc" {
return BCH
}
return c
}
func NewCurrency(symbol, desc string) Currency {
switch symbol {
case "cny", "CNY":
return CNY
case "usdt", "USDT":
return USDT
case "usd", "USD":
return USD
case "usdc", "USDC":
return USDC
case "pax", "PAX":
return PAX
case "jpy", "JPY":
return JPY
case "krw", "KRW":
return KRW
case "eur", "EUR":
return EUR
case "btc", "BTC":
return BTC
case "xbt", "XBT":
return XBT
case "bch", "BCH":
return BCH
case "bcc", "BCC":
return BCC
case "ltc", "LTC":
return LTC
case "sc", "SC":
return SC
case "ans", "ANS":
return ANS
case "neo", "NEO":
return NEO
case "okb", "OKB":
return OKB
case "ht", "HT":
return HT
case "bnb", "BNB":
return BNB
case "trx", "TRX":
return TRX
case "dot", "DOT":
return DOT
default:
return Currency{strings.ToUpper(symbol), desc}
}
}
func NewCurrencyPair(currencyA Currency, currencyB Currency) CurrencyPair {
return CurrencyPair{CurrencyA: currencyA, CurrencyB: currencyB}
}
func NewCurrencyPair2(currencyPairSymbol string) CurrencyPair {
return NewCurrencyPair3(currencyPairSymbol, "_")
}
func NewCurrencyPair3(currencyPairSymbol string, sep string) CurrencyPair {
currencys := strings.Split(currencyPairSymbol, sep)
if len(currencys) >= 2 {
return CurrencyPair{CurrencyA: NewCurrency(currencys[0], ""),
CurrencyB: NewCurrency(currencys[1], "")}
}
return UNKNOWN_PAIR
}
func (pair *CurrencyPair) SetAmountTickSize(tickSize int) CurrencyPair {
pair.AmountTickSize = tickSize
return *pair
}
func (pair *CurrencyPair) SetPriceTickSize(tickSize int) CurrencyPair {
pair.PriceTickSize = tickSize
return *pair
}
func (pair CurrencyPair) ToSymbol(joinChar string) string {
return strings.Join([]string{pair.CurrencyA.Symbol, pair.CurrencyB.Symbol}, joinChar)
}
func (pair CurrencyPair) ToSymbol2(joinChar string) string {
return strings.Join([]string{pair.CurrencyB.Symbol, pair.CurrencyA.Symbol}, joinChar)
}
func (pair CurrencyPair) AdaptUsdtToUsd() CurrencyPair {
CurrencyB := pair.CurrencyB
if pair.CurrencyB.Eq(USDT) {
CurrencyB = USD
}
pair.CurrencyB = CurrencyB
return pair
}
func (pair CurrencyPair) AdaptUsdToUsdt() CurrencyPair {
CurrencyB := pair.CurrencyB
if pair.CurrencyB.Eq(USD) {
CurrencyB = USDT
}
pair.CurrencyB = CurrencyB
return pair
}
//for to symbol lower , Not practical '==' operation method
func (pair CurrencyPair) ToLower() CurrencyPair {
return CurrencyPair{CurrencyA: Currency{Symbol: strings.ToLower(pair.CurrencyA.Symbol), Desc: pair.CurrencyA.Desc},
CurrencyB: Currency{Symbol: strings.ToLower(pair.CurrencyB.Symbol), Desc: pair.CurrencyB.Desc}}
}
func (pair CurrencyPair) Reverse() CurrencyPair {
return CurrencyPair{CurrencyA: pair.CurrencyB, CurrencyB: pair.CurrencyA,
AmountTickSize: pair.AmountTickSize, PriceTickSize: pair.PriceTickSize}
}