status-go/services/wallet/thirdparty/coingecko/client.go

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package coingecko
import (
"context"
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"encoding/json"
"fmt"
"net/url"
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"strings"
"sync"
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"github.com/status-im/status-go/services/wallet/thirdparty"
"github.com/status-im/status-go/services/wallet/thirdparty/utils"
)
var coinGeckoMapping = map[string]string{
"STT": "status",
"SNT": "status",
"ETH": "ethereum",
"AST": "airswap",
"ABT": "arcblock",
"ATM": "",
"BNB": "binancecoin",
"BLT": "bloom",
"CDT": "",
"COMP": "compound-coin",
"EDG": "edgeless",
"ENG": "enigma",
"EOS": "eos",
"GEN": "daostack",
"MANA": "decentraland-wormhole",
"LEND": "ethlend",
"LRC": "loopring",
"MET": "metronome",
"POLY": "polymath",
"PPT": "populous",
"SAN": "santiment-network-token",
"DNT": "district0x",
"SPN": "sapien",
"USDS": "stableusd",
"STX": "stox",
"SUB": "substratum",
"PAY": "tenx",
"GRT": "the-graph",
"TNT": "tierion",
"TRX": "tron",
"RARE": "superrare",
"UNI": "uniswap",
"USDC": "usd-coin",
"USDP": "paxos-standard",
"VRS": "",
"USDT": "tether",
"SHIB": "shiba-inu",
"LINK": "chainlink",
"MATIC": "matic-network",
"DAI": "dai",
"ARB": "arbitrum",
"OP": "optimism",
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}
const baseURL = "https://api.coingecko.com/api/v3/"
type HistoricalPriceContainer struct {
Prices [][]float64 `json:"prices"`
}
type GeckoMarketValues struct {
ID string `json:"id"`
Symbol string `json:"symbol"`
Name string `json:"name"`
MarketCap float64 `json:"market_cap"`
High24h float64 `json:"high_24h"`
Low24h float64 `json:"low_24h"`
PriceChange24h float64 `json:"price_change_24h"`
PriceChangePercentage24h float64 `json:"price_change_percentage_24h"`
PriceChangePercentage1hInCurrency float64 `json:"price_change_percentage_1h_in_currency"`
}
type GeckoToken struct {
ID string `json:"id"`
Symbol string `json:"symbol"`
Name string `json:"name"`
EthPlatform bool
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}
type Client struct {
httpClient *thirdparty.HTTPClient
tokens map[string][]GeckoToken
tokensURL string
fetchTokensMutex sync.Mutex
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}
func NewClient() *Client {
return &Client{
httpClient: thirdparty.NewHTTPClient(),
tokens: make(map[string][]GeckoToken),
tokensURL: fmt.Sprintf("%scoins/list", baseURL),
}
}
func (gt *GeckoToken) UnmarshalJSON(data []byte) error {
// Define an auxiliary struct to hold the JSON data
var aux struct {
ID string `json:"id"`
Symbol string `json:"symbol"`
Name string `json:"name"`
Platforms struct {
Ethereum string `json:"ethereum"`
// Other platforms can be added here if needed
} `json:"platforms"`
}
// Unmarshal the JSON data into the auxiliary struct
if err := json.Unmarshal(data, &aux); err != nil {
return err
}
// Set the fields of GeckoToken from the auxiliary struct
gt.ID = aux.ID
gt.Symbol = aux.Symbol
gt.Name = aux.Name
// Check if "ethereum" key exists in the platforms map
if aux.Platforms.Ethereum != "" {
gt.EthPlatform = true
} else {
gt.EthPlatform = false
}
return nil
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}
func mapTokensToSymbols(tokens []GeckoToken, tokenMap map[string][]GeckoToken) {
for _, token := range tokens {
symbol := strings.ToUpper(token.Symbol)
if id, ok := coinGeckoMapping[symbol]; ok {
if id != token.ID {
continue
}
}
tokenMap[symbol] = append(tokenMap[symbol], token)
}
}
func getGeckoTokenFromSymbol(tokens map[string][]GeckoToken, symbol string) (GeckoToken, error) {
tokenList, ok := tokens[strings.ToUpper(symbol)]
if !ok {
return GeckoToken{}, fmt.Errorf("token not found for symbol %s", symbol)
}
for _, t := range tokenList {
if t.EthPlatform {
return t, nil
}
}
return tokenList[0], nil
}
func getIDFromSymbol(tokens map[string][]GeckoToken, symbol string) (string, error) {
token, err := getGeckoTokenFromSymbol(tokens, symbol)
if err != nil {
return "", err
}
return token.ID, nil
}
func (c *Client) getTokens() (map[string][]GeckoToken, error) {
c.fetchTokensMutex.Lock()
defer c.fetchTokensMutex.Unlock()
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if len(c.tokens) > 0 {
return c.tokens, nil
}
params := url.Values{}
params.Add("include_platform", "true")
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url := c.tokensURL
response, err := c.httpClient.DoGetRequest(context.Background(), url, params)
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if err != nil {
return nil, err
}
var tokens []GeckoToken
err = json.Unmarshal(response, &tokens)
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if err != nil {
return nil, err
}
mapTokensToSymbols(tokens, c.tokens)
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return c.tokens, nil
}
func (c *Client) mapSymbolsToIds(symbols []string) ([]string, error) {
tokens, err := c.getTokens()
if err != nil {
return nil, err
}
ids := make([]string, 0)
for _, symbol := range utils.RenameSymbols(symbols) {
id, err := getIDFromSymbol(tokens, symbol)
if err == nil {
ids = append(ids, id)
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}
}
ids = utils.RemoveDuplicates(ids)
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return ids, nil
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}
func (c *Client) FetchPrices(symbols []string, currencies []string) (map[string]map[string]float64, error) {
ids, err := c.mapSymbolsToIds(symbols)
if err != nil {
return nil, err
}
params := url.Values{}
params.Add("ids", strings.Join(ids, ","))
params.Add("vs_currencies", strings.Join(currencies, ","))
url := fmt.Sprintf("%ssimple/price", baseURL)
response, err := c.httpClient.DoGetRequest(context.Background(), url, params)
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if err != nil {
return nil, err
}
prices := make(map[string]map[string]float64)
err = json.Unmarshal(response, &prices)
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if err != nil {
return nil, fmt.Errorf("%s - %s", err, string(response))
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}
tokens, err := c.getTokens()
if err != nil {
return nil, err
}
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result := make(map[string]map[string]float64)
for _, symbol := range symbols {
result[symbol] = map[string]float64{}
id, err := getIDFromSymbol(tokens, utils.GetRealSymbol(symbol))
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if err != nil {
return nil, err
}
for _, currency := range currencies {
result[symbol][currency] = prices[id][strings.ToLower(currency)]
}
}
return result, nil
}
func (c *Client) FetchTokenDetails(symbols []string) (map[string]thirdparty.TokenDetails, error) {
tokens, err := c.getTokens()
if err != nil {
return nil, err
}
result := make(map[string]thirdparty.TokenDetails)
for _, symbol := range symbols {
token, err := getGeckoTokenFromSymbol(tokens, utils.GetRealSymbol(symbol))
if err == nil {
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result[symbol] = thirdparty.TokenDetails{
ID: token.ID,
Name: token.Name,
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Symbol: symbol,
}
}
}
return result, nil
}
func (c *Client) FetchTokenMarketValues(symbols []string, currency string) (map[string]thirdparty.TokenMarketValues, error) {
ids, err := c.mapSymbolsToIds(symbols)
if err != nil {
return nil, err
}
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params := url.Values{}
params.Add("ids", strings.Join(ids, ","))
params.Add("vs_currency", currency)
params.Add("order", "market_cap_desc")
params.Add("per_page", "250")
params.Add("page", "1")
params.Add("sparkline", "false")
params.Add("price_change_percentage", "1h,24h")
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url := fmt.Sprintf("%scoins/markets", baseURL)
response, err := c.httpClient.DoGetRequest(context.Background(), url, params)
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if err != nil {
return nil, err
}
var marketValues []GeckoMarketValues
err = json.Unmarshal(response, &marketValues)
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if err != nil {
return nil, fmt.Errorf("%s - %s", err, string(response))
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}
tokens, err := c.getTokens()
if err != nil {
return nil, err
}
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result := make(map[string]thirdparty.TokenMarketValues)
for _, symbol := range symbols {
id, err := getIDFromSymbol(tokens, utils.GetRealSymbol(symbol))
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if err != nil {
return nil, err
}
for _, marketValue := range marketValues {
if id != marketValue.ID {
continue
}
result[symbol] = thirdparty.TokenMarketValues{
MKTCAP: marketValue.MarketCap,
HIGHDAY: marketValue.High24h,
LOWDAY: marketValue.Low24h,
CHANGEPCTHOUR: marketValue.PriceChangePercentage1hInCurrency,
CHANGEPCTDAY: marketValue.PriceChangePercentage24h,
CHANGEPCT24HOUR: marketValue.PriceChangePercentage24h,
CHANGE24HOUR: marketValue.PriceChange24h,
}
}
}
return result, nil
}
func (c *Client) FetchHistoricalHourlyPrices(symbol string, currency string, limit int, aggregate int) ([]thirdparty.HistoricalPrice, error) {
return []thirdparty.HistoricalPrice{}, nil
}
func (c *Client) FetchHistoricalDailyPrices(symbol string, currency string, limit int, allData bool, aggregate int) ([]thirdparty.HistoricalPrice, error) {
tokens, err := c.getTokens()
if err != nil {
return nil, err
}
id, err := getIDFromSymbol(tokens, utils.GetRealSymbol(symbol))
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if err != nil {
return nil, err
}
params := url.Values{}
params.Add("vs_currency", currency)
params.Add("days", "30")
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url := fmt.Sprintf("%scoins/%s/market_chart", baseURL, id)
response, err := c.httpClient.DoGetRequest(context.Background(), url, params)
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if err != nil {
return nil, err
}
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var container HistoricalPriceContainer
err = json.Unmarshal(response, &container)
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if err != nil {
return nil, err
}
result := make([]thirdparty.HistoricalPrice, 0)
for _, price := range container.Prices {
result = append(result, thirdparty.HistoricalPrice{
Timestamp: int64(price[0]),
Value: price[1],
})
}
return result, nil
}
func (c *Client) ID() string {
return "coingecko"
}