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388 lines
9.8 KiB
Go
388 lines
9.8 KiB
Go
// Package coingecko is forked from https://github.com/superoo7/go-gecko
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package coingecko
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"strings"
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"github.com/miguelmota/cointop/pkg/api/vendors/coingecko/format"
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"github.com/miguelmota/cointop/pkg/api/vendors/coingecko/v3/types"
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)
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var baseURL = "https://api.coingecko.com/api/v3"
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// Client struct
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type Client struct {
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httpClient *http.Client
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}
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// NewClient create new client object
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func NewClient(httpClient *http.Client) *Client {
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if httpClient == nil {
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httpClient = http.DefaultClient
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}
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return &Client{httpClient: httpClient}
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}
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// helper
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// doReq HTTP client
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func doReq(req *http.Request, client *http.Client) ([]byte, error) {
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resp, err := client.Do(req)
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if err != nil {
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return nil, err
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return nil, err
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}
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if 200 != resp.StatusCode {
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return nil, fmt.Errorf("%s", body)
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}
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return body, nil
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}
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// MakeReq HTTP request helper
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func (c *Client) MakeReq(url string) ([]byte, error) {
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req, err := http.NewRequest("GET", url, nil)
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if err != nil {
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return nil, err
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}
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resp, err := doReq(req, c.httpClient)
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if err != nil {
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return nil, err
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}
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return resp, err
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}
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// API
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// Ping /ping endpoint
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func (c *Client) Ping() (*types.Ping, error) {
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url := fmt.Sprintf("%s/ping", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.Ping
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// SimpleSinglePrice /simple/price Single ID and Currency (ids, vsCurrency)
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func (c *Client) SimpleSinglePrice(id string, vsCurrency string) (*types.SimpleSinglePrice, error) {
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idParam := []string{strings.ToLower(id)}
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vcParam := []string{strings.ToLower(vsCurrency)}
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t, err := c.SimplePrice(idParam, vcParam)
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if err != nil {
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return nil, err
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}
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curr := (*t)[id]
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data := &types.SimpleSinglePrice{ID: id, Currency: vsCurrency, MarketPrice: curr[vsCurrency]}
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return data, nil
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}
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// SimplePrice /simple/price Multiple ID and Currency (ids, vs_currencies)
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func (c *Client) SimplePrice(ids []string, vsCurrencies []string) (*map[string]map[string]float32, error) {
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params := url.Values{}
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idsParam := strings.Join(ids[:], ",")
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vsCurrenciesParam := strings.Join(vsCurrencies[:], ",")
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params.Add("ids", idsParam)
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params.Add("vs_currencies", vsCurrenciesParam)
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url := fmt.Sprintf("%s/simple/price?%s", baseURL, params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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t := make(map[string]map[string]float32)
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err = json.Unmarshal(resp, &t)
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if err != nil {
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return nil, err
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}
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return &t, nil
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}
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// SimpleSupportedVSCurrencies /simple/supported_vs_currencies
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func (c *Client) SimpleSupportedVSCurrencies() (*types.SimpleSupportedVSCurrencies, error) {
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url := fmt.Sprintf("%s/simple/supported_vs_currencies", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.SimpleSupportedVSCurrencies
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// CoinsList /coins/list
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func (c *Client) CoinsList() (*types.CoinList, error) {
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url := fmt.Sprintf("%s/coins/list", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.CoinList
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// CoinsMarket /coins/market
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func (c *Client) CoinsMarket(vsCurrency string, ids []string, order string, perPage int, page int, sparkline bool, priceChangePercentage []string) (*types.CoinsMarket, error) {
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if len(vsCurrency) == 0 {
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return nil, fmt.Errorf("vsCurrency is required")
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}
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params := url.Values{}
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// vsCurrency
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params.Add("vs_currency", vsCurrency)
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// order
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if len(order) == 0 {
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order = types.OrderTypeObject.MarketCapDesc
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}
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params.Add("order", order)
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// ids
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if len(ids) != 0 {
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idsParam := strings.Join(ids[:], ",")
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params.Add("ids", idsParam)
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}
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// per_page
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if perPage <= 0 || perPage > 250 {
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perPage = 100
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}
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params.Add("per_page", format.Int2String(perPage))
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params.Add("page", format.Int2String(page))
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// sparkline
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params.Add("sparkline", format.Bool2String(sparkline))
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// price_change_percentage
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if len(priceChangePercentage) != 0 {
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priceChangePercentageParam := strings.Join(priceChangePercentage[:], ",")
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params.Add("price_change_percentage", priceChangePercentageParam)
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}
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url := fmt.Sprintf("%s/coins/markets?%s", baseURL, params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.CoinsMarket
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// CoinsID /coins/{id}
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func (c *Client) CoinsID(id string, localization bool, tickers bool, marketData bool, communityData bool, developerData bool, sparkline bool) (*types.CoinsID, error) {
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if len(id) == 0 {
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return nil, fmt.Errorf("id is required")
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}
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params := url.Values{}
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params.Add("localization", format.Bool2String(sparkline))
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params.Add("tickers", format.Bool2String(tickers))
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params.Add("market_data", format.Bool2String(marketData))
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params.Add("community_data", format.Bool2String(communityData))
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params.Add("developer_data", format.Bool2String(developerData))
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params.Add("sparkline", format.Bool2String(sparkline))
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url := fmt.Sprintf("%s/coins/%s?%s", baseURL, id, params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.CoinsID
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// CoinsIDTickers /coins/{id}/tickers
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func (c *Client) CoinsIDTickers(id string, page int) (*types.CoinsIDTickers, error) {
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if len(id) == 0 {
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return nil, fmt.Errorf("id is required")
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}
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params := url.Values{}
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if page > 0 {
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params.Add("page", format.Int2String(page))
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}
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url := fmt.Sprintf("%s/coins/%s/tickers?%s", baseURL, id, params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.CoinsIDTickers
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// CoinsIDHistory /coins/{id}/history?date={date}&localization=false
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func (c *Client) CoinsIDHistory(id string, date string, localization bool) (*types.CoinsIDHistory, error) {
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if len(id) == 0 || len(date) == 0 {
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return nil, fmt.Errorf("id and date is required")
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}
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params := url.Values{}
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params.Add("date", date)
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params.Add("localization", format.Bool2String(localization))
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url := fmt.Sprintf("%s/coins/%s/history?%s", baseURL, id, params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.CoinsIDHistory
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// CoinsIDMarketChart /coins/{id}/market_chart?vsCurrency={usd, eur, jpy, etc.}&days={1,14,30,max}
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func (c *Client) CoinsIDMarketChart(id string, vsCurrency string, days string) (*types.CoinsIDMarketChart, error) {
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if len(id) == 0 || len(vsCurrency) == 0 || len(days) == 0 {
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return nil, fmt.Errorf("id, vsCurrency, and days is required")
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}
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params := url.Values{}
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params.Add("vs_currency", vsCurrency)
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params.Add("days", days)
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url := fmt.Sprintf("%s/coins/%s/market_chart?%s", baseURL, id, params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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m := types.CoinsIDMarketChart{}
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err = json.Unmarshal(resp, &m)
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if err != nil {
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return &m, err
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}
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return &m, nil
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}
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// CoinsIDStatusUpdates
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// CoinsIDContractAddress https://api.coingecko.com/api/v3/coins/{id}/contract/{contract_address}
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// func CoinsIDContractAddress(id string, address string) (nil, error) {
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// url := fmt.Sprintf("%s/coins/%s/contract/%s", baseURL, id, address)
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// resp, err := request.MakeReq(url)
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// if err != nil {
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// return nil, err
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// }
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// }
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// EventsCountries https://api.coingecko.com/api/v3/events/countries
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func (c *Client) EventsCountries() ([]types.EventCountryItem, error) {
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url := fmt.Sprintf("%s/events/countries", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.EventsCountries
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data.Data, nil
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}
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// EventsTypes https://api.coingecko.com/api/v3/events/types
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func (c *Client) EventsTypes() (*types.EventsTypes, error) {
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url := fmt.Sprintf("%s/events/types", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.EventsTypes
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return data, nil
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}
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// ExchangeRates https://api.coingecko.com/api/v3/exchange_rates
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func (c *Client) ExchangeRates() (*types.ExchangeRatesItem, error) {
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url := fmt.Sprintf("%s/exchange_rates", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.ExchangeRatesResponse
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return &data.Rates, nil
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}
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// Global https://api.coingecko.com/api/v3/global
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func (c *Client) Global() (*types.Global, error) {
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url := fmt.Sprintf("%s/global", baseURL)
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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var data *types.GlobalResponse
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err = json.Unmarshal(resp, &data)
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if err != nil {
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return nil, err
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}
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return &data.Data, nil
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}
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// GlobalCharts https://www.coingecko.com/market_cap/total_charts_data?duration=7&locale=en&vs_currency=usd
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func (c *Client) GlobalCharts(vsCurrency string, days string) (*types.GlobalCharts, error) {
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if len(vsCurrency) == 0 || len(days) == 0 {
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return nil, fmt.Errorf("vsCurrency, and days is required")
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}
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params := url.Values{}
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params.Add("locale", "en")
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params.Add("vs_currency", vsCurrency)
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params.Add("duration", days)
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url := fmt.Sprintf("https://www.coingecko.com/market_cap/total_charts_data?%s", params.Encode())
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resp, err := c.MakeReq(url)
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if err != nil {
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return nil, err
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}
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m := types.GlobalCharts{}
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err = json.Unmarshal(resp, &m)
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if err != nil {
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return &m, err
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}
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return &m, nil
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}
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