69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
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package uspv
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import (
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"fmt"
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"log"
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"github.com/btcsuite/btcd/wire"
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)
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func (e3c *SPVCon) incomingMessageHandler() {
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for {
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n, xm, _, err := wire.ReadMessageN(e3c.con, e3c.localVersion, e3c.netType)
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if err != nil {
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log.Printf("ReadMessageN error. Disconnecting: %s\n", err.Error())
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return
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}
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e3c.RBytes += uint64(n)
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// log.Printf("Got %d byte %s message\n", n, xm.Command())
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switch m := xm.(type) {
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case *wire.MsgVersion:
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log.Printf("Got version message. Agent %s, version %d, at height %d\n",
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m.UserAgent, m.ProtocolVersion, m.LastBlock)
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e3c.remoteVersion = uint32(m.ProtocolVersion) // weird cast! bug?
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case *wire.MsgVerAck:
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log.Printf("Got verack. Whatever.\n")
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case *wire.MsgAddr:
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log.Printf("got %d addresses.\n", len(m.AddrList))
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case *wire.MsgPing:
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log.Printf("Got a ping message. We should pong back or they will kick us off.")
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e3c.PongBack(m.Nonce)
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case *wire.MsgPong:
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log.Printf("Got a pong response. OK.\n")
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case *wire.MsgMerkleBlock:
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log.Printf("Got merkle block message. Will verify.\n")
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fmt.Printf("%d flag bytes, %d txs, %d hashes",
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len(m.Flags), m.Transactions, len(m.Hashes))
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txids, err := checkMBlock(m)
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if err != nil {
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log.Printf("Merkle block error: %s\n", err.Error())
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return
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// continue
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}
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fmt.Printf(" = got %d txs from block %s\n",
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len(txids), m.Header.BlockSha().String())
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// nextReq <- true
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case *wire.MsgTx:
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log.Printf("Got tx %s\n", m.TxSha().String())
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default:
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log.Printf("Got unknown message type %s\n", m.Command())
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}
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}
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return
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}
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// this one seems kindof pointless? could get ridf of it and let
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// functions call WriteMessageN themselves...
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func (e3c *SPVCon) outgoingMessageHandler() {
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for {
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msg := <-e3c.outMsgQueue
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n, err := wire.WriteMessageN(e3c.con, msg, e3c.localVersion, e3c.netType)
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if err != nil {
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log.Printf("Write message error: %s", err.Error())
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}
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e3c.WBytes += uint64(n)
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}
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return
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}
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