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stats_change_processor.go
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stats_change_processor.go
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package io
import (
"github.com/stellar/go/xdr"
)
// StatsChangeProcessor is a state processors that counts number of changes types
// and entry types.
type StatsChangeProcessor struct {
results StatsChangeProcessorResults
}
// StatsChangeProcessorResults contains results after running StatsChangeProcessor.
type StatsChangeProcessorResults struct {
AccountsCreated int64
AccountsUpdated int64
AccountsRemoved int64
DataCreated int64
DataUpdated int64
DataRemoved int64
OffersCreated int64
OffersUpdated int64
OffersRemoved int64
TrustLinesCreated int64
TrustLinesUpdated int64
TrustLinesRemoved int64
}
func (p *StatsChangeProcessor) ProcessChange(change Change) error {
switch change.Type {
case xdr.LedgerEntryTypeAccount:
switch change.LedgerEntryChangeType() {
case xdr.LedgerEntryChangeTypeLedgerEntryCreated:
p.results.AccountsCreated++
case xdr.LedgerEntryChangeTypeLedgerEntryUpdated:
p.results.AccountsUpdated++
case xdr.LedgerEntryChangeTypeLedgerEntryRemoved:
p.results.AccountsRemoved++
}
case xdr.LedgerEntryTypeData:
switch change.LedgerEntryChangeType() {
case xdr.LedgerEntryChangeTypeLedgerEntryCreated:
p.results.DataCreated++
case xdr.LedgerEntryChangeTypeLedgerEntryUpdated:
p.results.DataUpdated++
case xdr.LedgerEntryChangeTypeLedgerEntryRemoved:
p.results.DataRemoved++
}
case xdr.LedgerEntryTypeOffer:
switch change.LedgerEntryChangeType() {
case xdr.LedgerEntryChangeTypeLedgerEntryCreated:
p.results.OffersCreated++
case xdr.LedgerEntryChangeTypeLedgerEntryUpdated:
p.results.OffersUpdated++
case xdr.LedgerEntryChangeTypeLedgerEntryRemoved:
p.results.OffersRemoved++
}
case xdr.LedgerEntryTypeTrustline:
switch change.LedgerEntryChangeType() {
case xdr.LedgerEntryChangeTypeLedgerEntryCreated:
p.results.TrustLinesCreated++
case xdr.LedgerEntryChangeTypeLedgerEntryUpdated:
p.results.TrustLinesUpdated++
case xdr.LedgerEntryChangeTypeLedgerEntryRemoved:
p.results.TrustLinesRemoved++
}
}
return nil
}
func (p *StatsChangeProcessor) GetResults() StatsChangeProcessorResults {
return p.results
}
func (stats *StatsChangeProcessorResults) Map() map[string]interface{} {
return map[string]interface{}{
"stats_accounts_created": stats.AccountsCreated,
"stats_accounts_updated": stats.AccountsUpdated,
"stats_accounts_removed": stats.AccountsRemoved,
"stats_data_created": stats.DataCreated,
"stats_data_updated": stats.DataUpdated,
"stats_data_removed": stats.DataRemoved,
"stats_offers_created": stats.OffersCreated,
"stats_offers_updated": stats.OffersUpdated,
"stats_offers_removed": stats.OffersRemoved,
"stats_trust_lines_created": stats.TrustLinesCreated,
"stats_trust_lines_updated": stats.TrustLinesUpdated,
"stats_trust_lines_removed": stats.TrustLinesRemoved,
}
}