67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
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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"strings"
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"github.com/shopspring/decimal"
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"github.com/wormhole-foundation/wormhole-explorer/common/domain"
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)
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// CoingeckoAPI is a client for the coingecko API
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type CoingeckoAPI struct {
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url string
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client *http.Client
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}
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// NewCoingeckoAPI creates a new coingecko client
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func NewCoingeckoAPI(url string) *CoingeckoAPI {
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return &CoingeckoAPI{
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url: url,
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client: http.DefaultClient,
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}
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}
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// NotionalUSD is the response from the coingecko API.
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type NotionalUSD struct {
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Price *decimal.Decimal `json:"usd"`
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}
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// GetNotionalUSD returns the notional USD value for the given ids
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// ids is a list of coingecko chain identifier.
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func (c *CoingeckoAPI) GetNotionalUSD(ids []string) (map[string]NotionalUSD, error) {
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var response map[string]NotionalUSD
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notionalUrl := fmt.Sprintf("%s/simple/price?ids=%s&vs_currencies=usd", c.url, strings.Join(ids, ","))
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req, err := http.NewRequest(http.MethodGet, notionalUrl, nil)
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if err != nil {
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return response, err
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}
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res, err := c.client.Do(req)
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if err != nil {
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return response, err
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}
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defer res.Body.Close()
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body, err := ioutil.ReadAll(res.Body)
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if err != nil {
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return response, err
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}
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err = json.Unmarshal(body, &response)
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return response, err
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}
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// GetChainIDs returns the coingecko chain ids for the given p2p network.
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func GetChainIDs(p2pNetwork string) []string {
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if p2pNetwork == domain.P2pMainNet {
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return domain.GetAllCoingeckoIDs()
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}
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// TODO: define chains ids for testnet.
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return []string{}
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}
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