fix: GetComputedPrices panic

[RafilxTenfen]

Description

• Add verification for mapped value

related to: #1261

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[RafilxTenfen]

This is a temporary solution to avoid panic on price-feeder we should investigate the correct behavior of ComputeTVWAP -

umee/price-feeder/oracle/util.go

Lines 72 to 73 in e41fa2c

	// Ref : https://en.wikipedia.org/wiki/Time-weighted_average_price
	func ComputeTVWAP(prices provider.AggregatedProviderCandles) (map[string]sdk.Dec, error) {

[zarazan]

This is a temporary solution to avoid panic on price-feeder we should investigate the correct behavior of ComputeTVWAP -

umee/price-feeder/oracle/util.go

Lines 72 to 73 in e41fa2c

	// Ref : https://en.wikipedia.org/wiki/Time-weighted_average_price
	func ComputeTVWAP(prices provider.AggregatedProviderCandles) (map[string]sdk.Dec, error) {

If this is a temporary solution should there be a comment in the code to explain that. And maybe a corresponding github issue?

[adamewozniak]

💯

[RafilxTenfen]

This is a temporary solution to avoid panic on price-feeder we should investigate the correct behavior of ComputeTVWAP -

umee/price-feeder/oracle/util.go

Lines 72 to 73 in e41fa2c

	// Ref : https://en.wikipedia.org/wiki/Time-weighted_average_price
	func ComputeTVWAP(prices provider.AggregatedProviderCandles) (map[string]sdk.Dec, error) {

If this is a temporary solution should there be a comment in the code to explain that. And maybe a corresponding github issue?

Done at dc31d38

[adamewozniak]

just a couple nitpicks but lgtm 👍