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Optimize fetch of current token rates

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This commit is contained in:
Martin Boehm 2023-01-06 12:00:32 +01:00 committed by Martin
parent 7186f73da8
commit 25950dbc98
1 changed files with 17 additions and 14 deletions
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31
fiat/coingecko.go
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@ -271,21 +271,24 @@ func (cg *Coingecko) CurrentTickers() (*common.CurrencyRatesTicker, error) {
}
}
newTickers.TokenRates = make(map[string]float32)
const platformIdsGroup = 200
for from := 0; from < len(platformIds); from += platformIdsGroup {
to := from + platformIdsGroup
if to > len(platformIds) {
to = len(platformIds)
}
tokenPrices, err := cg.simplePrice(platformIds[from:to], []string{cg.platformVsCurrency})
if err != nil || tokenPrices == nil {
return nil, err
}
for id, v := range *tokenPrices {
t, found := platformIdsToTokens[id]
if found {
newTickers.TokenRates[t] = v[cg.platformVsCurrency]
from := 0
const maxRequestLen = 6000
requestLen := 0
for to := 0; to < len(platformIds); to++ {
requestLen += len(platformIds[to]) + 3 // 3 characters for the comma separator %2C
if requestLen > maxRequestLen || to+1 >= len(platformIds) {
tokenPrices, err := cg.simplePrice(platformIds[from:to+1], []string{cg.platformVsCurrency})
if err != nil || tokenPrices == nil {
return nil, err
}
for id, v := range *tokenPrices {
t, found := platformIdsToTokens[id]
if found {
newTickers.TokenRates[t] = v[cg.platformVsCurrency]
}
}
from = to + 1
requestLen = 0
}
}
}