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Return mempool transactions for address in reverse order

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This commit is contained in:
Martin Boehm 2019-04-03 14:02:15 +02:00
parent 870354bc90
commit 47f798dbaa
1 changed files with 17 additions and 2 deletions
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19
bchain/basemempool.go
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@ -39,11 +39,17 @@ func (m *BaseMempool) GetTransactions(address string) ([]Outpoint, error) {
return m.GetAddrDescTransactions(addrDesc) return m.GetAddrDescTransactions(addrDesc)
} }
// GetAddrDescTransactions returns slice of mempool transactions for given address descriptor // GetAddrDescTransactions returns slice of mempool transactions for given address descriptor, in reverse order
func (m *BaseMempool) GetAddrDescTransactions(addrDesc AddressDescriptor) ([]Outpoint, error) { func (m *BaseMempool) GetAddrDescTransactions(addrDesc AddressDescriptor) ([]Outpoint, error) {
m.mux.Lock() m.mux.Lock()
defer m.mux.Unlock() defer m.mux.Unlock()
return append([]Outpoint(nil), m.addrDescToTx[string(addrDesc)]...), nil outpoints := m.addrDescToTx[string(addrDesc)]
rv := make([]Outpoint, len(outpoints))
for i, j := len(outpoints)-1, 0; i >= 0; i-- {
rv[j] = outpoints[i]
j++
}
return rv, nil
} }
func (a MempoolTxidEntries) Len() int { return len(a) } func (a MempoolTxidEntries) Len() int { return len(a) }
@ -84,3 +90,12 @@ func getAllEntries(txEntries map[string]txEntry) MempoolTxidEntries {
func (m *BaseMempool) GetAllEntries() MempoolTxidEntries { func (m *BaseMempool) GetAllEntries() MempoolTxidEntries {
return getAllEntries(m.txEntries) return getAllEntries(m.txEntries)
} }
// GetTransactionTime returns first seen time of a transaction
func (m *BaseMempool) GetTransactionTime(txid string) uint32 {
e, found := m.txEntries[txid]
if !found {
return 0
}
return e.time
}