func SendLoop() {
var LastBlockIndex uint64 = 0
for {
time.Sleep(1 * time.Second)
BlockIndex, err := bitcoinchain.GetBlockCount()
if err != nil {
fmt.Printf("Get block count failed continue:%v\r\n", err)
continue
}
if BlockIndex <= LastBlockIndex {
fmt.Printf("blockindex[%v] < LastBlockIndex[%d]\r\n", BlockIndex, LastBlockIndex)
continue
}
UnspentList, err := wallet.UnspentList(3)
if err != nil {
fmt.Printf("Failed to get unspendlist %v\r\n", err)
continue
}
UnSendList, err := dbutil.GetAllUnsentMessage(24 * time.Hour)
if err != nil {
fmt.Printf("Failed to get unsendlist %v\r\n", err)
continue
}
//fmt.Printf("found unspentlist %v\r\n ", UnspentList)
//fmt.Printf("found unsendlist %v\r\n", UnSendList)
for _, spent := range UnspentList {
for _, send := range UnSendList {
//fmt.Printf("spent addr %v, send addr %v\r\n", spent.Address, send.RelayAddr)
if spent.Address == send.RelayAddr {
amount := uint64(spent.Amount * float64(conf.COIN))
//fmt.Printf("amount is %v, Minmoney is %v\r\n", amount, send.MinMoney)
if amount >= send.MinMoney {
err = SendMessage(send)
if err != nil {
fmt.Printf("faield to send message %v\r\n", err)
}
}
}
}
}
}
}
func Follow() {
var block_index uint64
block_index, err := dbutil.LastBlockIndex()
if err != nil {
fmt.Println("Get lastblockindex failed")
//return
block_index = 0
}
if block_index == 0 {
fmt.Println("block table in database is empty")
}
block_index++
fmt.Print("The last block_index++ in db is ", block_index)
if block_index < startblockindex {
block_index = startblockindex
}
fmt.Printf("block_index is %v\r\n", block_index)
var dbtran conf.DB_transaction
dbtran, err = dbutil.GetLastTran()
if err != nil {
fmt.Println("GetLastTran error")
}
tx_index := dbtran.Tx_index + 1
for {
tempblockcount, err := bitcoinchain.GetBlockCount()
GlobalLastBlockIndex = tempblockcount
if err != nil {
fmt.Printf("get tempblockcount failed %v\r\n", err)
continue
}
//fmt.Printf("block_index is %v, templockcount is %v\r\n", block_index, tempblockcount)
GlobalParsedBlockIndex = block_index
if block_index <= tempblockcount {
c := block_index
requires_rollback := false
for {
if c == startblockindex {
fmt.Printf("Reach the start...")
break
}
c_block, _ := bitcoinchain.GetBlockByIndex(c)
bitcoind_parent := c_block.PreviousHash
block, err := dbutil.GetBlock(c - 1)
if err != nil {
fmt.Printf("dbutil.Getblock failed [%d]\r\n", c-1)
break
}
db_parent := block.Block_hash
if db_parent == bitcoind_parent {
break
} else {
c -= 1
requires_rollback = true
}
}
if requires_rollback {
fmt.Printf("status:Blockchain reorganisation at block %v\n", c)
Reparse(c - 1)
block_index = c
continue
}
block_hash, _ := bitcoinchain.GetBlockHashString(block_index)
block, _ := bitcoinchain.GetBlockByIndex(block_index)
block_time := block.Time
rawblock, _ := bitcoinchain.GetRawBlock(block_index)
all_transaction_in_block := rawblock.Transactions()
fmt.Printf("Insert block[%d] into db\r\n", block_index)
for _, tx := range all_transaction_in_block {
fmt.Printf("Try to parse tx %v\r\n", tx.Sha())
_, err := dbutil.GetTran(tx.Sha().String())
if err == nil {
tx_index += 1
fmt.Printf("the tx_index[%d] already in db, next\r\n", tx_index-1)
continue
}
msgtx := tx.MsgTx()
source, destination, btc_amount, fee, data := get_tx_info(msgtx, block_index)
for _, value := range data {
if source != "" && (value != "" || destination == conf.WISHINGWALLADDRESS) {
dbutil.InsertTran(tx_index, tx.Sha().String(), block_index, block_hash, uint64(block_time), source, destination, btc_amount, fee, value)
}
}
tx_index += 1
}
dbutil.InsertBlock(block_index, block_hash, uint64(block_time))
Parse_block(block_index, uint64(block_time), "", "")
block_index++
}
if block_index >= GlobalLastBlockIndex-2 {
//fmt.Printf("sleep 1 second\r\n")
time.Sleep(1 * time.Second)
}
}
}