func (a *Anchor) checkTxMalleation(transaction *btcutil.Tx, details *btcjson.BlockDetails) {
anchorLog.Debug("in checkTxMalleation")
dirBlockInfos := make([]interfaces.IDirBlockInfo, 0, len(a.dirBlockInfoSlice))
for _, v := range a.dirBlockInfoSlice {
// find those already anchored but no call back yet
if v.GetBTCBlockHeight() == 0 && bytes.Compare(v.GetBTCTxHash().Bytes(), primitives.NewZeroHash().Bytes()) != 0 {
dirBlockInfos = append(dirBlockInfos, v)
}
}
sort.Sort(util.ByDirBlockInfoTimestamp(dirBlockInfos))
anchorLog.Debugf("malleated tx candidate count=%d, dirBlockInfo list=%s\n", len(dirBlockInfos), spew.Sdump(dirBlockInfos))
for _, dirBlockInfo := range dirBlockInfos {
tx, err := a.wclient.GetRawTransaction(toShaHash(dirBlockInfo.GetBTCTxHash()))
if err != nil {
anchorLog.Debugf(err.Error())
continue
}
anchorLog.Debugf("GetRawTransaction=%s, dirBlockInfo=%s\n", spew.Sdump(tx), spew.Sdump(dirBlockInfo))
// compare OP_RETURN
if reflect.DeepEqual(transaction.MsgTx().TxOut[0], tx.MsgTx().TxOut[0]) {
anchorLog.Debugf("Tx Malleated: original.txid=%s, malleated.txid=%s\n", dirBlockInfo.GetBTCTxHash().(*primitives.Hash).BTCString(), transaction.Sha().String())
a.doSaveDirBlockInfo(transaction, details, dirBlockInfo.(*dbInfo.DirBlockInfo), true)
break
}
}
}
// build Genesis blocks
func buildGenesisBlocks() error {
//Set the timestamp for the genesis block
t, err := time.Parse(time.RFC3339, common.GENESIS_BLK_TIMESTAMP)
if err != nil {
panic("Not able to parse the genesis block time stamp")
}
dchain.NextBlock.Header.Timestamp = uint32(t.Unix() / 60)
// Allocate the first two dbentries for ECBlock and Factoid block
dchain.AddDBEntry(&common.DBEntry{}) // AdminBlock
dchain.AddDBEntry(&common.DBEntry{}) // ECBlock
dchain.AddDBEntry(&common.DBEntry{}) // Factoid block
// Entry Credit Chain
cBlock := newEntryCreditBlock(ecchain)
procLog.Debugf("buildGenesisBlocks: cBlock=%s\n", spew.Sdump(cBlock))
dchain.AddECBlockToDBEntry(cBlock)
exportECChain(ecchain)
// Admin chain
aBlock := newAdminBlock(achain)
procLog.Debugf("buildGenesisBlocks: aBlock=%s\n", spew.Sdump(aBlock))
dchain.AddABlockToDBEntry(aBlock)
exportAChain(achain)
// factoid Genesis Address
//fchain.NextBlock = block.GetGenesisFBlock(0, FactoshisPerCredit, 10, 200000000000)
fchain.NextBlock = block.GetGenesisFBlock()
FBlock := newFactoidBlock(fchain)
dchain.AddFBlockToDBEntry(FBlock)
exportFctChain(fchain)
// Directory Block chain
procLog.Debug("in buildGenesisBlocks")
dbBlock := newDirectoryBlock(dchain)
// Check block hash if genesis block
if dbBlock.DBHash.String() != common.GENESIS_DIR_BLOCK_HASH {
//Panic for Milestone 1
panic("\nGenesis block hash expected: " + common.GENESIS_DIR_BLOCK_HASH +
"\nGenesis block hash found: " + dbBlock.DBHash.String() + "\n")
}
exportDChain(dchain)
// place an anchor into btc
placeAnchor(dbBlock)
return nil
}
func processAnchorChain() {
fmt.Println("processAnchorChain")
//eblocks, _ := db.FetchAllEBlocksByChain(anchorChainID)
//fmt.Println("anchorChain length: ", len(*eblocks))
for _, eblock := range *eblocks {
//fmt.Printf("anchor chain block=%s\n", spew.Sdump(eblock))
if eblock.Header.EBSequence == 0 {
continue
}
for _, ebEntry := range eblock.Body.EBEntries {
entry, _ := db.FetchEntryByHash(ebEntry)
if entry != nil {
//fmt.Printf("entry=%s\n", spew.Sdump(entry))
aRecord, err := entryToAnchorRecord(entry)
if err != nil {
fmt.Println(err)
}
dirBlockInfo, _ := anchorChainToDirBlockInfo(aRecord)
err = db.InsertDirBlockInfo(dirBlockInfo)
if err != nil {
fmt.Printf("InsertDirBlockInfo error: %s, DirBlockInfo=%s\n", err, spew.Sdump(dirBlockInfo))
}
dirBlockInfoMap[dirBlockInfo.DBHeight] = dirBlockInfo
}
}
}
}
func validateDBSignature(aBlock *common.AdminBlock, dchain *common.DChain) bool {
dbSigEntry := aBlock.GetDBSignature()
if dbSigEntry == nil {
if aBlock.Header.DBHeight == 0 {
return true
} else {
return false
}
} else {
dbSig := dbSigEntry.(*common.DBSignatureEntry)
if serverPubKey.String() != dbSig.PubKey.String() {
return false
} else {
// obtain the previous directory block
dblk := dchain.Blocks[aBlock.Header.DBHeight-1]
if dblk == nil {
return false
} else {
// validatet the signature
bHeader, _ := dblk.Header.MarshalBinary()
if !serverPubKey.Verify(bHeader, (*[64]byte)(dbSig.PrevDBSig)) {
procLog.Infof("No valid signature found in Admin Block = %s\n", spew.Sdump(aBlock))
return false
}
}
}
}
return true
}
func (a *Anchor) checkMissingDirBlockInfo() {
anchorLog.Debug("checkMissingDirBlockInfo for those unsaved DirBlocks in database")
dblocks, _ := a.db.FetchAllDBlocks()
dirBlockInfos, _ := a.db.FetchAllDirBlockInfos() //FetchAllDirBlockInfos()
for _, dblock := range dblocks {
var found = false
for i, dbinfo := range dirBlockInfos {
if dbinfo.GetDatabaseHeight() == dblock.GetDatabaseHeight() {
dirBlockInfos = append(dirBlockInfos[:i], dirBlockInfos[i+1:]...)
found = true
break
}
}
if !found {
if dblock.GetKeyMR() == nil || bytes.Compare(dblock.GetKeyMR().Bytes(), primitives.NewZeroHash().Bytes()) == 0 {
dblock.BuildKeyMerkleRoot()
}
dirBlockInfo := dbInfo.NewDirBlockInfoFromDirBlock(dblock)
dirBlockInfo.SetTimestamp(primitives.NewTimestampNow())
anchorLog.Debug("add missing dirBlockInfo to map: ", spew.Sdump(dirBlockInfo))
a.db.SaveDirBlockInfo(dirBlockInfo)
a.dirBlockInfoSlice = append(a.dirBlockInfoSlice, dirBlockInfo)
}
}
}
// processAcknowledgement validates the ack and adds it to processlist
func processAcknowledgement(msg *wire.MsgAcknowledgement) error {
// Error condiftion for Milestone 1
if nodeMode == common.SERVER_NODE {
return errors.New("Server received msg:" + msg.Command())
}
// Validate the signiture
bytes, err := msg.GetBinaryForSignature()
if err != nil {
return err
}
if !serverPubKey.Verify(bytes, &msg.Signature) {
return errors.New(fmt.Sprintf("Invalid signature in Ack = %s\n", spew.Sdump(msg)))
}
// Update the next block height in dchain
if msg.Height > dchain.NextDBHeight {
dchain.NextDBHeight = msg.Height
}
// Update the next block height in db
if int64(msg.Height) > db.FetchNextBlockHeightCache() {
db.UpdateNextBlockHeightCache(msg.Height)
}
return nil
}
func saveDirBlockInfo(transaction *btcutil.Tx, details *btcjson.BlockDetails) {
anchorLog.Debug("in saveDirBlockInfo")
var saved = false
for _, dirBlockInfo := range dirBlockInfoMap {
if bytes.Compare(dirBlockInfo.BTCTxHash.Bytes(), transaction.Sha().Bytes()) == 0 {
dirBlockInfo.BTCTxOffset = int32(details.Index)
dirBlockInfo.BTCBlockHeight = details.Height
btcBlockHash, _ := wire.NewShaHashFromStr(details.Hash)
dirBlockInfo.BTCBlockHash = toHash(btcBlockHash)
dirBlockInfo.BTCConfirmed = true
db.InsertDirBlockInfo(dirBlockInfo)
delete(dirBlockInfoMap, dirBlockInfo.DBMerkleRoot.String())
anchorLog.Infof("In saveDirBlockInfo, dirBlockInfo:%s saved to db\n", spew.Sdump(dirBlockInfo))
saved = true
anchorRec := new(AnchorRecord)
anchorRec.AnchorRecordVer = 1
anchorRec.DBHeight = dirBlockInfo.DBHeight
anchorRec.KeyMR = dirBlockInfo.DBMerkleRoot.String()
_, recordHeight, _ := db.FetchBlockHeightCache()
anchorRec.RecordHeight = uint32(recordHeight)
anchorRec.Bitcoin.Address = defaultAddress.String()
anchorRec.Bitcoin.TXID = transaction.Sha().String()
anchorRec.Bitcoin.BlockHeight = details.Height
anchorRec.Bitcoin.BlockHash = details.Hash
anchorRec.Bitcoin.Offset = int32(details.Index)
anchorLog.Info("anchor.record saved: " + spew.Sdump(anchorRec))
err := submitEntryToAnchorChain(anchorRec)
if err != nil {
anchorLog.Error("Error in writing anchor into anchor chain: ", err.Error())
}
break
}
}
// This happends when there's a double spending (for dir block 122 and its btc tx)
// (see https://www.blocktrail.com/BTC/tx/ac82f4173259494b22f4987f1e18608f38f1ff756fb4a3c637dfb5565aa5e6cf)
// or tx mutation / malleated
// In this case, it will end up being re-anchored.
if !saved {
anchorLog.Info("Not saved to db: btc.tx=%s\n blockDetails=%s\n", spew.Sdump(transaction), spew.Sdump(details))
}
}
func (a *Anchor) checkForAnchor() {
timeNow := time.Now().Unix()
time0 := 60 * 60 * a.reAnchorAfter
// anchor the latest dir block first
sort.Sort(sort.Reverse(util.ByDirBlockInfoTimestamp(a.dirBlockInfoSlice)))
for _, dirBlockInfo := range a.dirBlockInfoSlice {
if bytes.Compare(dirBlockInfo.GetBTCTxHash().Bytes(), primitives.NewZeroHash().Bytes()) == 0 {
anchorLog.Debug("first time anchor: ", spew.Sdump(dirBlockInfo))
a.SendRawTransactionToBTC(dirBlockInfo.GetDBMerkleRoot(), dirBlockInfo.GetDBHeight())
} else {
// This is the re-anchor case for the missed callback of malleated tx
lapse := timeNow - dirBlockInfo.GetTimestamp().GetTimeSeconds()
if lapse > int64(time0) {
anchorLog.Debugf("re-anchor: time lapse=%d, %s\n", lapse, spew.Sdump(dirBlockInfo))
a.SendRawTransactionToBTC(dirBlockInfo.GetDBMerkleRoot(), dirBlockInfo.GetDBHeight())
}
}
}
}
// Serve the "fast lane" incoming control msg from inCtlMsgQueue
func serveCtlMsgRequest(msg wire.FtmInternalMsg) error {
switch msg.Command() {
case wire.CmdCommitChain:
default:
return errors.New("1 Message type unsupported:" + spew.Sdump(msg))
}
return nil
}
func (a *Anchor) checkConfirmations(dirBlockInfo *dbInfo.DirBlockInfo, index int) error {
anchorLog.Debug("check Confirmations for btc tx: ", toShaHash(dirBlockInfo.GetBTCTxHash()).String())
txResult, err := a.wclient.GetTransaction(toShaHash(dirBlockInfo.GetBTCTxHash()))
if err != nil {
anchorLog.Debugf(err.Error())
return err
}
anchorLog.Debugf("GetTransactionResult: %s\n", spew.Sdump(txResult))
if txResult.Confirmations >= int64(a.confirmationsNeeded) {
btcBlockHash, _ := wire.NewShaHashFromStr(txResult.BlockHash)
var rewrite = false
// Either the call back is not recorded in case of BTCBlockHash is zero hash,
// or bad things like re-organization of btc main chain happened
if bytes.Compare(dirBlockInfo.BTCBlockHash.Bytes(), btcBlockHash.Bytes()) != 0 {
anchorLog.Debugf("BTCBlockHash changed: original BTCBlockHeight=%d, original BTCBlockHash=%s, original tx offset=%d\n", dirBlockInfo.BTCBlockHeight, toShaHash(dirBlockInfo.BTCBlockHash).String(), dirBlockInfo.BTCTxOffset)
dirBlockInfo.BTCBlockHash = toHash(btcBlockHash)
btcBlock, err := a.wclient.GetBlockVerbose(btcBlockHash, true)
if err != nil {
anchorLog.Debugf(err.Error())
}
if btcBlock.Height > 0 {
dirBlockInfo.BTCBlockHeight = int32(btcBlock.Height)
}
anchorLog.Debugf("BTCBlockHash changed: new BTCBlockHeight=%d, new BTCBlockHash=%s, btcBlockVerbose.Height=%d\n", dirBlockInfo.BTCBlockHeight, btcBlockHash.String(), btcBlock.Height)
rewrite = true
}
dirBlockInfo.BTCConfirmed = true // needs confirmationsNeeded (20) to be confirmed.
dirBlockInfo.SetTimestamp(primitives.NewTimestampNow())
a.db.SaveDirBlockInfo(dirBlockInfo)
a.dirBlockInfoSlice = append(a.dirBlockInfoSlice[:index], a.dirBlockInfoSlice[index+1:]...) //delete it
anchorLog.Debugf("Fully confirmed %d times. txid=%s, dirblockInfo=%s\n", txResult.Confirmations, txResult.TxID, spew.Sdump(dirBlockInfo))
if rewrite {
anchorLog.Debug("rewrite to anchor chain: ", spew.Sdump(dirBlockInfo))
a.saveToAnchorChain(dirBlockInfo)
}
}
return nil
}
func (a *Anchor) doSaveDirBlockInfo(transaction *btcutil.Tx, details *btcjson.BlockDetails, dirBlockInfo *dbInfo.DirBlockInfo, replace bool) {
if replace {
dirBlockInfo.BTCTxHash = toHash(transaction.Sha()) // in case of tx being malleated
}
dirBlockInfo.BTCTxOffset = int32(details.Index)
dirBlockInfo.BTCBlockHeight = details.Height
btcBlockHash, _ := wire.NewShaHashFromStr(details.Hash)
dirBlockInfo.BTCBlockHash = toHash(btcBlockHash)
dirBlockInfo.SetTimestamp(primitives.NewTimestampNow())
a.db.SaveDirBlockInfo(dirBlockInfo)
anchorLog.Infof("In doSaveDirBlockInfo, dirBlockInfo:%s saved to db\n", spew.Sdump(dirBlockInfo))
// to make factom / explorer more user friendly, instead of waiting for
// over 2 hours to know it's anchored, we can create the anchor chain instantly
// then change it when the btc main chain re-org happens.
a.saveToAnchorChain(dirBlockInfo)
}
func createMissingDirBlockInfo() {
fmt.Println("create DirBlockInfo for those un-anchored DirBlocks")
//dblocks, _ := db.FetchAllDBlocks()
for _, dblock := range dblocks {
if _, ok := dirBlockInfoMap[dblock.Header.DBHeight]; ok {
continue
} else {
dblock.BuildKeyMerkleRoot()
//fmt.Printf("creating missing dirBlockInfo for dir block=%s\n", spew.Sdump(dblock))
dirBlockInfo := common.NewDirBlockInfoFromDBlock(&dblock)
//fmt.Printf("creating missing dirBlockInfo. DirBlockInfo=%s\n", spew.Sdump(dirBlockInfo))
err := db.InsertDirBlockInfo(dirBlockInfo)
if err != nil {
fmt.Printf("InsertDirBlockInfo error: %s, DirBlockInfo=%s\n", err, spew.Sdump(dirBlockInfo))
}
dirBlockInfoMap[dirBlockInfo.DBHeight] = dirBlockInfo
}
}
}
func (a *Anchor) saveToAnchorChain(dirBlockInfo *dbInfo.DirBlockInfo) {
anchorLog.Debug("in saveToAnchorChain")
anchorRec := new(AnchorRecord)
anchorRec.AnchorRecordVer = 1
anchorRec.DBHeight = dirBlockInfo.GetDBHeight()
anchorRec.KeyMR = dirBlockInfo.GetDBMerkleRoot().String()
anchorRec.RecordHeight = a.state.GetHighestCompletedBlock() // need the next block height
anchorRec.Bitcoin = new(BitcoinStruct)
anchorRec.Bitcoin.Address = a.defaultAddress.String()
anchorRec.Bitcoin.TXID = dirBlockInfo.GetBTCTxHash().(*primitives.Hash).BTCString()
anchorRec.Bitcoin.BlockHeight = dirBlockInfo.BTCBlockHeight
anchorRec.Bitcoin.BlockHash = dirBlockInfo.BTCBlockHash.(*primitives.Hash).BTCString()
anchorRec.Bitcoin.Offset = dirBlockInfo.BTCTxOffset
anchorLog.Info("before submitting Entry To AnchorChain. anchor.record: " + spew.Sdump(anchorRec))
err := a.submitEntryToAnchorChain(anchorRec)
if err != nil {
anchorLog.Error("Error in writing anchor into anchor chain: ", err.Error())
}
}
// UpdateDirBlockInfoMap allows factom processor to update DirBlockInfo
// when a new Directory Block is saved to db
func UpdateDirBlockInfoMap(dirBlockInfo *common.DirBlockInfo) {
anchorLog.Debug("UpdateDirBlockInfoMap: ", spew.Sdump(dirBlockInfo))
dirBlockInfoMap[dirBlockInfo.DBMerkleRoot.String()] = dirBlockInfo
}
func Spew(data interface{}) string {
return spew.Sdump(data)
}
func validateMsgTx(msgtx *wire.MsgTx, inputs []btcjson.ListUnspentResult) error {
flags := txscript.ScriptBip16 | txscript.ScriptStrictMultiSig //ScriptCanonicalSignatures
bip16 := time.Now().After(txscript.Bip16Activation)
if bip16 {
flags |= txscript.ScriptBip16
}
for i := range msgtx.TxIn {
scriptPubKey, err := hex.DecodeString(inputs[i].ScriptPubKey)
if err != nil {
return fmt.Errorf("cannot decode scriptPubKey: %s", err)
}
engine, err := txscript.NewEngine(scriptPubKey, msgtx, i, flags)
if err != nil {
anchorLog.Errorf("cannot create script engine: %s\n", err)
return fmt.Errorf("cannot create script engine: %s", err)
}
if err = engine.Execute(); err != nil {
anchorLog.Errorf("cannot execute script engine: %s\n === UnspentResult: %s", err, spew.Sdump(inputs[i]))
return fmt.Errorf("cannot execute script engine: %s", err)
}
}
return nil
}
func (a *Anchor) saveDirBlockInfo(transaction *btcutil.Tx, details *btcjson.BlockDetails) {
anchorLog.Debug("in saveDirBlockInfo")
var saved = false
for _, dirBlockInfo := range a.dirBlockInfoSlice {
if bytes.Compare(dirBlockInfo.GetBTCTxHash().Bytes(), transaction.Sha().Bytes()) == 0 {
a.doSaveDirBlockInfo(transaction, details, dirBlockInfo.(*dbInfo.DirBlockInfo), false)
saved = true
break
}
}
// This happends when there's a double spending or tx malleated(for dir block 122 and its btc tx)
// Original: https://www.blocktrail.com/BTC/tx/ac82f4173259494b22f4987f1e18608f38f1ff756fb4a3c637dfb5565aa5e6cf
// malleated: https://www.blocktrail.com/BTC/tx/a9b2d6b5d320c7f0f384a49b167524aca9c412af36ed7b15ca7ea392bccb2538
// re-anchored: https://www.blocktrail.com/BTC/tx/ac82f4173259494b22f4987f1e18608f38f1ff756fb4a3c637dfb5565aa5e6cf
// In this case, if tx malleation is detected, then use the malleated tx to replace the original tx;
// Otherwise, it will end up being re-anchored.
if !saved {
anchorLog.Infof("Not saved to db, (maybe btc tx malleated): btc.tx=%s\n blockDetails=%s\n", spew.Sdump(transaction), spew.Sdump(details))
a.checkTxMalleation(transaction, details)
}
}
// Initialize Admin Block Chain from database
func initAChain() {
//Initialize the Admin Chain ID
achain = new(common.AdminChain)
achain.ChainID = new(common.Hash)
achain.ChainID.SetBytes(common.ADMIN_CHAINID)
// get all aBlocks from db
aBlocks, _ := db.FetchAllABlocks()
sort.Sort(util.ByABlockIDAccending(aBlocks))
// double check the block ids
for i := 0; i < len(aBlocks); i = i + 1 {
if uint32(i) != aBlocks[i].Header.DBHeight {
panic(errors.New("BlockID does not equal index for chain:" + achain.ChainID.String() + " block:" + fmt.Sprintf("%v", aBlocks[i].Header.DBHeight)))
}
if !validateDBSignature(&aBlocks[i], dchain) {
panic(errors.New("No valid signature found in Admin Block = " + fmt.Sprintf("%s\n", spew.Sdump(aBlocks[i]))))
}
}
//Create an empty block and append to the chain
if len(aBlocks) == 0 || dchain.NextDBHeight == 0 {
achain.NextBlockHeight = 0
achain.NextBlock, _ = common.CreateAdminBlock(achain, nil, 10)
} else {
// Entry Credit Chain should have the same height as the dir chain
achain.NextBlockHeight = dchain.NextDBHeight
achain.NextBlock, _ = common.CreateAdminBlock(achain, &aBlocks[achain.NextBlockHeight-1], 10)
}
exportAChain(achain)
}
func TestECBlockMarshal(t *testing.T) {
ecb1 := common.NewECBlock()
// build a CommitChain for testing
cc := common.NewCommitChain()
cc.Version = 0
cc.MilliTime = &[6]byte{1, 1, 1, 1, 1, 1}
cc.ChainIDHash.SetBytes(byteof(0xaa))
cc.Weld.SetBytes(byteof(0xbb))
cc.EntryHash.SetBytes(byteof(0xcc))
cc.Credits = 11
// make a key and sign the msg
if pub, privkey, err := ed.GenerateKey(rand.Reader); err != nil {
t.Error(err)
} else {
cc.ECPubKey = pub
cc.Sig = ed.Sign(privkey, cc.CommitMsg())
}
// create a ECBlock for testing
ecb1.Header.ECChainID.SetBytes(byteof(0x11))
ecb1.Header.BodyHash.SetBytes(byteof(0x22))
ecb1.Header.PrevHeaderHash.SetBytes(byteof(0x33))
ecb1.Header.PrevLedgerKeyMR.SetBytes(byteof(0x44))
ecb1.Header.EBHeight = 10
ecb1.Header.HeaderExpansionArea = byteof(0x55)
ecb1.Header.ObjectCount = 0
// add the CommitChain to the ECBlock
ecb1.AddEntry(cc)
m1 := common.NewMinuteNumber()
m1.Number = 0x01
ecb1.AddEntry(m1)
// add a ServerIndexNumber
si1 := common.NewServerIndexNumber()
si1.Number = 3
ecb1.AddEntry(si1)
// create an IncreaseBalance for testing
ib := common.NewIncreaseBalance()
pub := new([32]byte)
copy(pub[:], byteof(0xaa))
ib.ECPubKey = pub
ib.TXID.SetBytes(byteof(0xbb))
ib.NumEC = uint64(13)
// add the IncreaseBalance
ecb1.AddEntry(ib)
m2 := common.NewMinuteNumber()
m2.Number = 0x02
ecb1.AddEntry(m2)
ecb2 := common.NewECBlock()
if p, err := ecb1.MarshalBinary(); err != nil {
t.Error(err)
} else {
if err := ecb2.UnmarshalBinary(p); err != nil {
t.Error(err)
}
t.Log(spew.Sdump(ecb1))
t.Log(spew.Sdump(ecb2))
if q, err := ecb2.MarshalBinary(); err != nil {
t.Error(err)
} else if string(p) != string(q) {
t.Errorf("ecb1 = %x\n", p)
t.Errorf("ecb2 = %x\n", q)
}
}
}
// TestSpew executes all of the tests described by spewTests.
func TestSpew(t *testing.T) {
initSpewTests()
t.Logf("Running %d tests", len(spewTests))
for i, test := range spewTests {
buf := new(bytes.Buffer)
switch test.f {
case fCSFdump:
test.cs.Fdump(buf, test.in)
case fCSFprint:
test.cs.Fprint(buf, test.in)
case fCSFprintf:
test.cs.Fprintf(buf, test.format, test.in)
case fCSFprintln:
test.cs.Fprintln(buf, test.in)
case fCSPrint:
b, err := redirStdout(func() { test.cs.Print(test.in) })
if err != nil {
t.Errorf("%v #%d %v", test.f, i, err)
continue
}
buf.Write(b)
case fCSPrintln:
b, err := redirStdout(func() { test.cs.Println(test.in) })
if err != nil {
t.Errorf("%v #%d %v", test.f, i, err)
continue
}
buf.Write(b)
case fCSSdump:
str := test.cs.Sdump(test.in)
buf.WriteString(str)
case fCSSprint:
str := test.cs.Sprint(test.in)
buf.WriteString(str)
case fCSSprintf:
str := test.cs.Sprintf(test.format, test.in)
buf.WriteString(str)
case fCSSprintln:
str := test.cs.Sprintln(test.in)
buf.WriteString(str)
case fCSErrorf:
err := test.cs.Errorf(test.format, test.in)
buf.WriteString(err.Error())
case fCSNewFormatter:
fmt.Fprintf(buf, test.format, test.cs.NewFormatter(test.in))
case fErrorf:
err := spew.Errorf(test.format, test.in)
buf.WriteString(err.Error())
case fFprint:
spew.Fprint(buf, test.in)
case fFprintln:
spew.Fprintln(buf, test.in)
case fPrint:
b, err := redirStdout(func() { spew.Print(test.in) })
if err != nil {
t.Errorf("%v #%d %v", test.f, i, err)
continue
}
buf.Write(b)
case fPrintln:
b, err := redirStdout(func() { spew.Println(test.in) })
if err != nil {
t.Errorf("%v #%d %v", test.f, i, err)
continue
}
buf.Write(b)
case fSdump:
str := spew.Sdump(test.in)
buf.WriteString(str)
case fSprint:
str := spew.Sprint(test.in)
buf.WriteString(str)
case fSprintf:
str := spew.Sprintf(test.format, test.in)
buf.WriteString(str)
case fSprintln:
str := spew.Sprintln(test.in)
buf.WriteString(str)
default:
t.Errorf("%v #%d unrecognized function", test.f, i)
continue
}
s := buf.String()
if test.want != s {
t.Errorf("ConfigState #%d\n got: %s want: %s", i, s, test.want)
continue
}
}
}
// Serve incoming msg from inMsgQueue
func serveMsgRequest(msg wire.FtmInternalMsg) error {
switch msg.Command() {
case wire.CmdCommitChain:
msgCommitChain, ok := msg.(*wire.MsgCommitChain)
if ok && msgCommitChain.IsValid() {
h := msgCommitChain.CommitChain.GetSigHash().Bytes()
t := msgCommitChain.CommitChain.GetMilliTime() / 1000
if !IsTSValid(h, t) {
return fmt.Errorf("Timestamp invalid on Commit Chain")
}
err := processCommitChain(msgCommitChain)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + spew.Sdump(msg))
}
// Broadcast the msg to the network if no errors
outMsgQueue <- msg
case wire.CmdCommitEntry:
msgCommitEntry, ok := msg.(*wire.MsgCommitEntry)
if ok && msgCommitEntry.IsValid() {
h := msgCommitEntry.CommitEntry.GetSigHash().Bytes()
t := msgCommitEntry.CommitEntry.GetMilliTime() / 1000
if !IsTSValid(h, t) {
return fmt.Errorf("Timestamp invalid on Commit Entry")
}
err := processCommitEntry(msgCommitEntry)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + spew.Sdump(msg))
}
// Broadcast the msg to the network if no errors
outMsgQueue <- msg
case wire.CmdRevealEntry:
msgRevealEntry, ok := msg.(*wire.MsgRevealEntry)
if ok && msgRevealEntry.IsValid() {
err := processRevealEntry(msgRevealEntry)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + spew.Sdump(msg))
}
// Broadcast the msg to the network if no errors
outMsgQueue <- msg
case wire.CmdInt_EOM:
if nodeMode == common.SERVER_NODE {
msgEom, ok := msg.(*wire.MsgInt_EOM)
if !ok {
return errors.New("Error in build blocks:" + spew.Sdump(msg))
}
procLog.Infof("PROCESSOR: End of minute msg - wire.CmdInt_EOM:%+v\n", msg)
common.FactoidState.EndOfPeriod(int(msgEom.EOM_Type))
if msgEom.EOM_Type == wire.END_MINUTE_10 {
// Process from Orphan pool before the end of process list
processFromOrphanPool()
// Pass the Entry Credit Exchange Rate into the Factoid component
msgEom.EC_Exchange_Rate = FactoshisPerCredit
plMgr.AddMyProcessListItem(msgEom, nil, wire.END_MINUTE_10)
// Set exchange rate in the Factoid State
common.FactoidState.SetFactoshisPerEC(FactoshisPerCredit)
err := buildBlocks()
if err != nil {
return err
}
} else if wire.END_MINUTE_1 <= msgEom.EOM_Type && msgEom.EOM_Type < wire.END_MINUTE_10 {
ack, err := plMgr.AddMyProcessListItem(msgEom, nil, msgEom.EOM_Type)
if err != nil {
return err
}
if ack.ChainID == nil {
ack.ChainID = dchain.ChainID
}
// Broadcast the ack to the network if no errors
//outMsgQueue <- ack
}
cp.CP.AddUpdate(
"MinMark", // tag
"status", // Category
"Progress", // Title
fmt.Sprintf("End of Minute %v\n", msgEom.EOM_Type)+ // Message
fmt.Sprintf("Directory Block Height %v", dchain.NextDBHeight),
0)
}
case wire.CmdDirBlock:
if nodeMode == common.SERVER_NODE {
break
}
dirBlock, ok := msg.(*wire.MsgDirBlock)
if ok {
err := processDirBlock(dirBlock)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + fmt.Sprintf("%+v", msg))
}
case wire.CmdFBlock:
if nodeMode == common.SERVER_NODE {
break
}
fblock, ok := msg.(*wire.MsgFBlock)
if ok {
err := processFBlock(fblock)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + fmt.Sprintf("%+v", msg))
}
case wire.CmdFactoidTX:
// First check that the message is good, and is valid. If not,
// continue processing commands.
msgFactoidTX, ok := msg.(*wire.MsgFactoidTX)
if !ok || !msgFactoidTX.IsValid() {
break
}
// prevent replay attacks
{
h := msgFactoidTX.Transaction.GetSigHash().Bytes()
t := int64(msgFactoidTX.Transaction.GetMilliTimestamp() / 1000)
if !IsTSValid(h, t) {
return fmt.Errorf("Timestamp invalid on Factoid Transaction")
}
}
// Handle the server case
if nodeMode == common.SERVER_NODE {
t := msgFactoidTX.Transaction
txnum := len(common.FactoidState.GetCurrentBlock().GetTransactions())
if common.FactoidState.AddTransaction(txnum, t) == nil {
if err := processBuyEntryCredit(msgFactoidTX); err != nil {
return err
}
}
} else {
// Handle the client case
outMsgQueue <- msg
}
case wire.CmdABlock:
if nodeMode == common.SERVER_NODE {
break
}
ablock, ok := msg.(*wire.MsgABlock)
if ok {
err := processABlock(ablock)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + fmt.Sprintf("%+v", msg))
}
case wire.CmdECBlock:
if nodeMode == common.SERVER_NODE {
break
}
cblock, ok := msg.(*wire.MsgECBlock)
if ok {
err := procesECBlock(cblock)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + fmt.Sprintf("%+v", msg))
}
case wire.CmdEBlock:
if nodeMode == common.SERVER_NODE {
break
}
eblock, ok := msg.(*wire.MsgEBlock)
if ok {
err := processEBlock(eblock)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + fmt.Sprintf("%+v", msg))
}
case wire.CmdEntry:
if nodeMode == common.SERVER_NODE {
break
}
entry, ok := msg.(*wire.MsgEntry)
if ok {
err := processEntry(entry)
if err != nil {
return err
}
} else {
return errors.New("Error in processing msg:" + fmt.Sprintf("%+v", msg))
}
default:
return errors.New("Message type unsupported:" + fmt.Sprintf("%+v", msg))
}
return nil
}
// UpdateDirBlockInfoMap allows factom processor to update DirBlockInfo
// when a new Directory Block is saved to db
func (a *Anchor) UpdateDirBlockInfoMap(dirBlockInfo interfaces.IDirBlockInfo) {
anchorLog.Debug("UpdateDirBlockInfoMap: ", spew.Sdump(dirBlockInfo))
a.dirBlockInfoSlice = append(a.dirBlockInfoSlice, dirBlockInfo.(*dbInfo.DirBlockInfo))
}