132 lines
3.5 KiB
Go
132 lines
3.5 KiB
Go
// Package notional contains the logic to get the notional value of assets
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package notional
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import (
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"fmt"
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"time"
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"github.com/go-redis/redis"
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"github.com/wormhole-foundation/wormhole-explorer/common/client/cache/notional"
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"github.com/wormhole-foundation/wormhole-explorer/common/domain"
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"github.com/wormhole-foundation/wormhole-explorer/jobs/internal/coingecko"
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"go.uber.org/zap"
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)
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// NotionalJob is the job to get the notional value of assets.
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type NotionalJob struct {
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coingeckoAPI *coingecko.CoingeckoAPI
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cacheClient *redis.Client
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cachePrefix string
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cacheChannel string
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p2pNetwork string
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logger *zap.Logger
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}
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// NewNotionalJob creates a new notional job.
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func NewNotionalJob(api *coingecko.CoingeckoAPI, cacheClient *redis.Client, cachePrefix string, p2pNetwork, cacheChannel string, logger *zap.Logger) *NotionalJob {
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return &NotionalJob{
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coingeckoAPI: api,
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cacheClient: cacheClient,
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cachePrefix: cachePrefix,
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cacheChannel: cacheChannel,
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p2pNetwork: p2pNetwork,
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logger: logger,
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}
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}
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// Run runs the notional job.
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func (j *NotionalJob) Run() error {
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// get chains coingecko ids by p2p network.
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chainIDs := coingecko.GetChainIDs(j.p2pNetwork)
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if len(chainIDs) == 0 {
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return fmt.Errorf("no chain ids found for p2p network %s", j.p2pNetwork)
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}
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// get notional value of assets.
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coingeckoNotionals, err := j.coingeckoAPI.GetNotionalUSD(chainIDs)
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if err != nil {
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j.logger.Error("failed to get notional value of assets",
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zap.Error(err))
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return err
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}
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// convert notionals with coingecko assets ids to notionals with wormhole chainIDs.
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notionals := convertToSymbols(coingeckoNotionals)
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// save notional value of assets in cache.
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err = j.updateNotionalCache(notionals)
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if err != nil {
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j.logger.Error("failed to update notional value of assets in cache",
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zap.Error(err),
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zap.Any("notionals", notionals))
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return err
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}
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// publish notional value of assets to redis pubsub.
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err = j.cacheClient.Publish(j.cacheChannel, "NOTIONAL_UPDATED").Err()
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if err != nil {
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j.logger.Error("failed to publish notional update message to redis pubsub",
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zap.Error(err))
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return err
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}
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return nil
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}
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// updateNotionalCache updates the notional value of assets in cache.
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func (j *NotionalJob) updateNotionalCache(notionals map[domain.Symbol]notional.PriceData) error {
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for chainID, n := range notionals {
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key := j.renderKey(fmt.Sprintf(notional.KeyFormatString, chainID))
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err := j.cacheClient.Set(key, n, 0).Err()
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if err != nil {
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return err
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}
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}
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return nil
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}
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// convertToSymbols converts the coingecko response into a symbol map
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//
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// The returned map has symbols as keys, and price data as the values.
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func convertToSymbols(m map[string]coingecko.NotionalUSD) map[domain.Symbol]notional.PriceData {
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w := make(map[domain.Symbol]notional.PriceData, len(m))
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now := time.Now()
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for k, v := range m {
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// Do not update the dictionary when the token price is nil
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if v.Price == nil {
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continue
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}
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// Translate coingecko IDs into their associated ticker symbols
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tokenMeta, ok := domain.GetTokenByCoingeckoID(k)
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if !ok {
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continue
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}
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// Set price data for the current symbol
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w[tokenMeta.Symbol] = notional.PriceData{NotionalUsd: *v.Price, UpdatedAt: now}
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}
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return w
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}
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func (j *NotionalJob) renderKey(key string) string {
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if j.cachePrefix != "" {
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return fmt.Sprintf("%s:%s", j.cachePrefix, key)
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}
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return key
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}
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func formatChannel(prefix string, channel string) string {
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if prefix != "" {
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return fmt.Sprintf("%s:%s", prefix, channel)
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}
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return channel
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}
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