models.go at master ⋅ trustwallet/watchmarket

package watchmarket

import (
	"math"
	"time"
)

type (
	Rate struct {
		Currency         string  `json:"currency"`
		PercentChange24h float64 `json:"percent_change_24h,omitempty"`
		Provider         string  `json:"provider,omitempty"`
		Rate             float64 `json:"rate"`
		Timestamp        int64   `json:"timestamp"`
		ShowOption       int     `json:"-"`
	}

	Rates []Rate

	CoinType string

	Ticker struct {
		Coin              uint      `json:"coin"`
		CoinName          string    `json:"coin_name"`
		TokenId           string    `json:"token_id,omitempty"`
		CoinType          CoinType  `json:"type,omitempty"`
		Price             Price     `json:"price,omitempty"`
		LastUpdate        time.Time `json:"last_update"`
		Error             string    `json:"error,omitempty"`
		Volume            float64   `json:"volume"`
		MarketCap         float64   `json:"market_cap"`
		CirculatingSupply float64   `json:"-"`
		TotalSupply       float64   `json:"-"`
		ShowOption        int       `json:"-"`
	}

	Price struct {
		Change24h float64 `json:"change_24h"`
		Currency  string  `json:"currency"`
		Provider  string  `json:"provider,omitempty"`
		Value     float64 `json:"value"`
	}

	Tickers []Ticker

	Chart struct {
		Provider string       `json:"provider,omitempty"`
		Prices   []ChartPrice `json:"prices,omitempty"`
		Error    string       `json:"error,omitempty"`
	}

	ChartPrice struct {
		Price float64 `json:"price"`
		Date  int64   `json:"date"`
	}

	CoinDetails struct {
		Provider    string `json:"provider,omitempty"`
		ProviderURL string `json:"provider_url,omitempty"`
		Info        *Info  `json:"info,omitempty"`
	}

	Info struct {
		Name             string       `json:"name,omitempty"`
		Website          string       `json:"website,omitempty"`
		SourceCode       string       `json:"source_code,omitempty"`
		WhitePaper       string       `json:"white_paper,omitempty"`
		Description      string       `json:"description,omitempty"`
		ShortDescription string       `json:"short_description,omitempty"`
		Research         string       `json:"research,omitempty"`
		Explorer         string       `json:"explorer,omitempty"`
		Socials          []SocialLink `json:"socials,omitempty"`
	}

	SocialLink struct {
		Name   string `json:"name"`
		Url    string `json:"url"`
		Handle string `json:"handle"`
	}
)

const (
	UnknownCoinID                 = 111111
	DefaultPrecision              = 10
	Coin                 CoinType = "coin"
	Token                CoinType = "token"
	DefaultCurrency               = "USD"
	DefaultMaxChartItems          = 64

	ErrNotFound   = "not found"
	ErrBadRequest = "bad request"
	ErrInternal   = "internal"
)

func (d Chart) IsEmpty() bool {
	return len(d.Prices) == 0
}

func (i CoinDetails) IsEmpty() bool {
	if i.Info == nil {
		return true
	}
	return i.Info.Name == ""
}

func round(num float64) int {
	return int(num + math.Copysign(0.5, num))
}

func TruncateWithPrecision(num float64, precision int) float64 {
	output := math.Pow(10, float64(precision))
	return float64(round(num*output)) / output
}

func UnixToDuration(unixTime uint) time.Duration {
	return time.Duration(unixTime * 1000000000)
}

func DurationToUnix(duration time.Duration) uint {
	return uint(duration.Seconds())
}

func IsRespectableValue(value, respValue float64) bool {
	return value >= respValue
}

func IsSuitableUpdateTime(LastUpdate time.Time, maxDuration time.Duration) bool {
	now := time.Now().Unix()
	last := LastUpdate.Unix()
	if now < last {
		return true
	}
	diff := now - last
	if diff < 0 {
		return true
	}
	respectableTime := DurationToUnix(maxDuration)
	return uint(diff) <= respectableTime
}

func IsFiatRate(currency string) bool {
	switch currency {
	case "AED", "AFN", "ALL", "AMD", "ANG", "AOA", "ARS", "AUD", "AWG", "AZN", "BAM", "BBD", "BDT", "BGN", "BHD", "BIF", "BMD", "BND", "BOB", "BRL", "BSD", "BTN", "BWP", "BYN", "BYR", "BZD", "CAD", "CDF", "CHF", "CLF", "CLP", "CNY", "COP", "CRC", "CUC", "CUP", "CVE", "CZK", "DJF", "DKK", "DOP", "DZD", "EGP", "ERN", "ETB", "EUR", "FJD", "FKP", "GBP", "GEL", "GGP", "GHS", "GIP", "GMD", "GNF", "GTQ", "GYD", "HKD", "HNL", "HRK", "HTG", "HUF", "IDR", "ILS", "IMP", "INR", "IQD", "IRR", "ISK", "JEP", "JMD", "JOD", "JPY", "KES", "KGS", "KHR", "KMF", "KPW", "KRW", "KWD", "KYD", "KZT", "LAK", "LBP", "LKR", "LRD", "LSL", "LTL", "LVL", "LYD", "MAD", "MDL", "MGA", "MKD", "MMK", "MNT", "MOP", "MRO", "MUR", "MVR", "MWK", "MXN", "MYR", "MZN", "NAD", "NGN", "NIO", "NOK", "NPR", "NZD", "OMR", "PAB", "PEN", "PGK", "PHP", "PKR", "PLN", "PYG", "QAR", "RON", "RSD", "RUB", "RWF", "SAR", "SBD", "SCR", "SDG", "SEK", "SGD", "SHP", "SLL", "SOS", "SRD", "STD", "SVC", "SYP", "SZL", "THB", "TJS", "TMT", "TND", "TOP", "TRY", "TTD", "TWD", "TZS", "UAH", "UGX", "USD", "UYU", "UZS", "VEF", "VND", "VUV", "WST", "XAF", "XAG", "XAU", "XCD", "XDR", "XOF", "XPF", "YER", "ZAR", "ZMK", "ZMW", "ZWL":
		return true
	default:
	}
	return false
}

Read our documentation on viewing source code .

1		package watchmarket
2
3		import (
4		"math"
5		"time"
6		)
7
8		type (
9		Rate struct {
10		Currency string `json:"currency"`
11		PercentChange24h float64 `json:"percent_change_24h,omitempty"`
12		Provider string `json:"provider,omitempty"`
13		Rate float64 `json:"rate"`
14		Timestamp int64 `json:"timestamp"`
15		ShowOption int `json:"-"`
16		}
17
18		Rates []Rate
19
20		CoinType string
21
22		Ticker struct {
23		Coin uint `json:"coin"`
24		CoinName string `json:"coin_name"`
25		TokenId string `json:"token_id,omitempty"`
26		CoinType CoinType `json:"type,omitempty"`
27		Price Price `json:"price,omitempty"`
28		LastUpdate time.Time `json:"last_update"`
29		Error string `json:"error,omitempty"`
30		Volume float64 `json:"volume"`
31		MarketCap float64 `json:"market_cap"`
32		CirculatingSupply float64 `json:"-"`
33		TotalSupply float64 `json:"-"`
34		ShowOption int `json:"-"`
35		}
36
37		Price struct {
38		Change24h float64 `json:"change_24h"`
39		Currency string `json:"currency"`
40		Provider string `json:"provider,omitempty"`
41		Value float64 `json:"value"`
42		}
43
44		Tickers []Ticker
45
46		Chart struct {
47		Provider string `json:"provider,omitempty"`
48		Prices []ChartPrice `json:"prices,omitempty"`
49		Error string `json:"error,omitempty"`
50		}
51
52		ChartPrice struct {
53		Price float64 `json:"price"`
54		Date int64 `json:"date"`
55		}
56
57		CoinDetails struct {
58		Provider string `json:"provider,omitempty"`
59		ProviderURL string `json:"provider_url,omitempty"`
60		Info *Info `json:"info,omitempty"`
61		}
62
63		Info struct {
64		Name string `json:"name,omitempty"`
65		Website string `json:"website,omitempty"`
66		SourceCode string `json:"source_code,omitempty"`
67		WhitePaper string `json:"white_paper,omitempty"`
68		Description string `json:"description,omitempty"`
69		ShortDescription string `json:"short_description,omitempty"`
70		Research string `json:"research,omitempty"`
71		Explorer string `json:"explorer,omitempty"`
72		Socials []SocialLink `json:"socials,omitempty"`
73		}
74
75		SocialLink struct {
76		Name string `json:"name"`
77		Url string `json:"url"`
78		Handle string `json:"handle"`
79		}
80		)
81
82		const (
83		UnknownCoinID = 111111
84		DefaultPrecision = 10
85		Coin CoinType = "coin"
86		Token CoinType = "token"
87		DefaultCurrency = "USD"
88		DefaultMaxChartItems = 64
89
90		ErrNotFound = "not found"
91		ErrBadRequest = "bad request"
92		ErrInternal = "internal"
93		)
94
95		func (d Chart) IsEmpty() bool {
96	1	return len(d.Prices) == 0
97		}
98
99		func (i CoinDetails) IsEmpty() bool {
100	1	if i.Info == nil {
101	1	return true
102		}
103	1	return i.Info.Name == ""
104		}
105
106		func round(num float64) int {
107	1	return int(num + math.Copysign(0.5, num))
108		}
109
110		func TruncateWithPrecision(num float64, precision int) float64 {
111	1	output := math.Pow(10, float64(precision))
112	1	return float64(round(num*output)) / output
113		}
114
115		func UnixToDuration(unixTime uint) time.Duration {
116	1	return time.Duration(unixTime * 1000000000)
117		}
118
119		func DurationToUnix(duration time.Duration) uint {
120	1	return uint(duration.Seconds())
121		}
122
123		func IsRespectableValue(value, respValue float64) bool {
124	1	return value >= respValue
125		}
126
127		func IsSuitableUpdateTime(LastUpdate time.Time, maxDuration time.Duration) bool {
128	1	now := time.Now().Unix()
129	1	last := LastUpdate.Unix()
130	1	if now < last {
131	0	return true
132		}
133	1	diff := now - last
134	1	if diff < 0 {
135	0	return true
136		}
137	1	respectableTime := DurationToUnix(maxDuration)
138	1	return uint(diff) <= respectableTime
139		}
140
141		func IsFiatRate(currency string) bool {
142	1	switch currency {
143	1	case "AED", "AFN", "ALL", "AMD", "ANG", "AOA", "ARS", "AUD", "AWG", "AZN", "BAM", "BBD", "BDT", "BGN", "BHD", "BIF", "BMD", "BND", "BOB", "BRL", "BSD", "BTN", "BWP", "BYN", "BYR", "BZD", "CAD", "CDF", "CHF", "CLF", "CLP", "CNY", "COP", "CRC", "CUC", "CUP", "CVE", "CZK", "DJF", "DKK", "DOP", "DZD", "EGP", "ERN", "ETB", "EUR", "FJD", "FKP", "GBP", "GEL", "GGP", "GHS", "GIP", "GMD", "GNF", "GTQ", "GYD", "HKD", "HNL", "HRK", "HTG", "HUF", "IDR", "ILS", "IMP", "INR", "IQD", "IRR", "ISK", "JEP", "JMD", "JOD", "JPY", "KES", "KGS", "KHR", "KMF", "KPW", "KRW", "KWD", "KYD", "KZT", "LAK", "LBP", "LKR", "LRD", "LSL", "LTL", "LVL", "LYD", "MAD", "MDL", "MGA", "MKD", "MMK", "MNT", "MOP", "MRO", "MUR", "MVR", "MWK", "MXN", "MYR", "MZN", "NAD", "NGN", "NIO", "NOK", "NPR", "NZD", "OMR", "PAB", "PEN", "PGK", "PHP", "PKR", "PLN", "PYG", "QAR", "RON", "RSD", "RUB", "RWF", "SAR", "SBD", "SCR", "SDG", "SEK", "SGD", "SHP", "SLL", "SOS", "SRD", "STD", "SVC", "SYP", "SZL", "THB", "TJS", "TMT", "TND", "TOP", "TRY", "TTD", "TWD", "TZS", "UAH", "UGX", "USD", "UYU", "UZS", "VEF", "VND", "VUV", "WST", "XAF", "XAG", "XAU", "XCD", "XDR", "XOF", "XPF", "YER", "ZAR", "ZMK", "ZMW", "ZWL":
144	1	return true
145	1	default:
146		}
147	1	return false
148		}

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