func saveBlock(m btcmsg.Message, i int, verify bool) {
db := cold.Get().OutputDB()
bm, _ := m.(*btcmsg.Message_block)
for _, tx := range bm.Txs {
ctx := (*catma.Tx)(tx)
err := catma.VerifyTx(ctx, db, true, false, !verify)
if err != nil {
log.Panicf("Process tx %s error: %s", ctx.Hash(), err)
}
}
if err := db.Commit(uint32(i), false); err != nil {
log.Panicf("db commit error: %s", err)
}
}
func (sw *swdl) start() {
sw.wg.Add(1) // For doSaveBlocks
for i := 0; i < sw.paral; i++ {
go sw.doDownload()
}
go sw.doSaveBlock()
go sw.doSchedule()
sw.chin <- nil // Trigger downloading
sw.wg.Wait()
db := cold.Get().OutputDB()
if err := db.Commit(uint32(sw.end-1), true); err != nil {
log.Panicf("db commit error: %s", err)
}
log.Infof("Finished downloading from %d to %d", sw.begin, sw.end)
}
func blocksCatchUp() {
total := cold.Get().Headers().Len()
db := cold.Get().OutputDB()
for {
tag, err := db.Tag()
if err != nil {
log.Panicf("Error reading OutputDB tag: %s", err)
}
begin := int(tag) + 1
if begin >= total {
break
}
end, paral, load := swdlParam(begin, total)
dl := newSwdl(begin, end, paral, load)
dl.start()
}
log.Infoln("Block downloading done.")
}