trying to get witness coinbases to validate

(they don't)

shell.go

@@ -69,10 +69,10 @@ func shell() {
 	}
 
 	// once we're connected, initiate headers sync
-	err = SCon.AskForHeaders()
-	if err != nil {
-		log.Fatal(err)
-	}
+	//	err = SCon.AskForHeaders()
+	//	if err != nil {
+	//		log.Fatal(err)
+	//	}
 
 	// main shell loop
 	for {

uspv/eight333.go

@@ -118,7 +118,8 @@ func (s *SPVCon) IngestMerkleBlock(m *wire.MsgMerkleBlock) {
 	if !hah.blockhash.IsEqual(&newMerkBlockSha) {
 		log.Printf("merkle block out of order got %s expect %s",
 			m.Header.BlockSha().String(), hah.blockhash.String())
-		log.Printf("has %d hashes", len(m.Hashes))
+		log.Printf("has %d hashes %d txs flags: %x",
+			len(m.Hashes), m.Transactions, m.Flags)
 		return
 	}
 
@@ -283,6 +284,40 @@ func (s *SPVCon) AskForHeaders() error {
 	return nil
 }
 
+// AskForOneBlock is for testing only, so you can ask for a specific block height
+// and see what goes wrong
+func (s *SPVCon) AskForOneBlock(h int32) error {
+	var hdr wire.BlockHeader
+	var err error
+
+	dbTip := int32(h)
+	s.headerMutex.Lock() // seek to header we need
+	_, err = s.headerFile.Seek(int64((dbTip)*80), os.SEEK_SET)
+	if err != nil {
+		return err
+	}
+	err = hdr.Deserialize(s.headerFile) // read header, done w/ file for now
+	s.headerMutex.Unlock()              // unlock after reading 1 header
+	if err != nil {
+		log.Printf("header deserialize error!\n")
+		return err
+	}
+
+	bHash := hdr.BlockSha()
+	// create inventory we're asking for
+	iv1 := wire.NewInvVect(wire.InvTypeWitnessBlock, &bHash)
+	gdataMsg := wire.NewMsgGetData()
+	// add inventory
+	err = gdataMsg.AddInvVect(iv1)
+	if err != nil {
+		return err
+	}
+	hah := NewRootAndHeight(bHash, h)
+	s.outMsgQueue <- gdataMsg
+	s.blockQueue <- hah // push height and mroot of requested block on queue
+	return nil
+}
+
 // AskForMerkBlocks requests blocks from current to last
 // right now this asks for 1 block per getData message.
 // Maybe it's faster to ask for many in a each message?
@@ -347,9 +382,9 @@ func (s *SPVCon) AskForBlocks() error {
 		iv1 := new(wire.InvVect)
 		// if hardmode, ask for legit blocks, none of this ralphy stuff
 		if s.HardMode {
-			iv1 = wire.NewInvVect(wire.InvTypeBlock, &bHash)
+			iv1 = wire.NewInvVect(wire.InvTypeWitnessBlock, &bHash)
 		} else { // ah well
-			iv1 = wire.NewInvVect(wire.InvTypeFilteredBlock, &bHash)
+			iv1 = wire.NewInvVect(wire.InvTypeFilteredWitnessBlock, &bHash)
 		}
 		gdataMsg := wire.NewMsgGetData()
 		// add inventory

uspv/hardmode.go

@@ -1,9 +1,9 @@
 package uspv
 
 import (
+	"bytes"
 	"fmt"
 	"log"
-	"os"
 	"sync"
 
 	"github.com/btcsuite/btcd/wire"
@@ -24,6 +24,8 @@ func BlockRootOK(blk wire.MsgBlock) bool {
 	for len(shas) > 1 { // calculate merkle root. Terse, eh?
 		shas = append(shas[2:], MakeMerkleParent(shas[0], shas[1]))
 	} // auto recognizes coinbase-only blocks
+	fmt.Printf("MRs calcd %s given %s\n",
+		shas[0].String(), blk.Header.MerkleRoot.String())
 	return blk.Header.MerkleRoot.IsEqual(shas[0])
 }
 
@@ -31,7 +33,16 @@ func BlockRootOK(blk wire.MsgBlock) bool {
 // different enough that it's better to have 2 separate functions
 func (s *SPVCon) IngestBlock(m *wire.MsgBlock) {
 	var err error
-
+	var buf bytes.Buffer
+	m.SerializeWitness(&buf)
+	fmt.Printf("block hex %x\n", buf.Bytes())
+	for i, tx := range m.Transactions {
+		//		if i > 0 {
+		fmt.Printf("wtxid: %s\n", tx.WTxSha())
+		fmt.Printf("txid: %s\n", tx.TxSha())
+		fmt.Printf("%d %s", i, TxToString(tx))
+		//		}
+	}
 	ok := BlockRootOK(*m) // check block self-consistency
 	if !ok {
 		fmt.Printf("block %s not OK!!11\n", m.BlockSha().String())
@@ -59,7 +70,6 @@ func (s *SPVCon) IngestBlock(m *wire.MsgBlock) {
 	var wg sync.WaitGroup
 	wg.Add(len(m.Transactions))
 	for i, tx := range m.Transactions {
-
 		go func() {
 			hits, err := s.TS.Ingest(tx, hah.height)
 			if err != nil {
@@ -99,35 +109,3 @@ func (s *SPVCon) IngestBlock(m *wire.MsgBlock) {
 	}
 	return
 }
-
-func (s *SPVCon) AskForOneBlock(h int32) error {
-	var hdr wire.BlockHeader
-	var err error
-
-	dbTip := int32(h)
-	s.headerMutex.Lock() // seek to header we need
-	_, err = s.headerFile.Seek(int64((dbTip)*80), os.SEEK_SET)
-	if err != nil {
-		return err
-	}
-	err = hdr.Deserialize(s.headerFile) // read header, done w/ file for now
-	s.headerMutex.Unlock()              // unlock after reading 1 header
-	if err != nil {
-		log.Printf("header deserialize error!\n")
-		return err
-	}
-
-	bHash := hdr.BlockSha()
-	// create inventory we're asking for
-	iv1 := wire.NewInvVect(wire.InvTypeBlock, &bHash)
-	gdataMsg := wire.NewMsgGetData()
-	// add inventory
-	err = gdataMsg.AddInvVect(iv1)
-	if err != nil {
-		return err
-	}
-
-	s.outMsgQueue <- gdataMsg
-
-	return nil
-}

uspv/init.go

@@ -49,6 +49,8 @@ func OpenSPV(remoteNode string, hfn, dbfn string,
 	}
 	// must set this to enable SPV stuff
 	myMsgVer.AddService(wire.SFNodeBloom)
+	// set this to enable segWit
+	myMsgVer.AddService(wire.SFNodeWitness)
 	// this actually sends
 	n, err := wire.WriteMessageN(s.con, myMsgVer, s.localVersion, s.TS.Param.Net)
 	if err != nil {

uspv/txstore.go

@@ -133,7 +133,8 @@ func CheckDoubleSpends(
 
 // TxToString prints out some info about a transaction. for testing / debugging
 func TxToString(tx *wire.MsgTx) string {
-	str := fmt.Sprintf("\t - Tx %s\n", tx.TxSha().String())
+	str := fmt.Sprintf("\t size %d wsize %d Tx %s\n",
+		tx.SerializeSize(), tx.SerializeSizeWitness(), tx.TxSha().String())
 	for i, in := range tx.TxIn {
 		str += fmt.Sprintf("Input %d: %s\n", i, in.PreviousOutPoint.String())
 		str += fmt.Sprintf("SigScript for input %d: %x\n", i, in.SignatureScript)
@@ -146,6 +147,12 @@ func TxToString(tx *wire.MsgTx) string {
 			str += fmt.Sprintf("output %d nil (WARNING)\n", i)
 		}
 	}
+	for i, wit := range tx.TxWitness {
+		if wit.ScriptWitness != nil {
+			str += fmt.Sprintf("Witness %d: %x\n", i, wit.ScriptWitness)
+		}
+	}
+
 	return str
 }