func test(ctx *web.Context) {
head, err := factom.GetChainHead("000000000000000000000000000000000000000000000000000000000000000a")
log.Printf("test - %v, %v", head.ChainHead, err)
/*body, err := factom.GetDBlock(head.KeyMR)
str, _ := EncodeJSONString(body)
log.Printf("test - %v, %v", str, err)
Synchronize()*/
}
func mkchain(args []string) {
os.Args = args
var (
eids extids
)
flag.Var(&eids, "e", "external id for the entry")
flag.Parse()
args = flag.Args()
if len(args) < 1 {
man("mkchain")
return
}
name := args[0]
e := factom.NewEntry()
for _, id := range eids {
e.ExtIDs = append(e.ExtIDs, []byte(id))
}
// Entry.Content is read from stdin
if p, err := ioutil.ReadAll(os.Stdin); err != nil {
errorln(err)
return
} else if size := len(p); size > 10240 {
errorln(fmt.Errorf("Entry of %d bytes is too large", size))
return
} else {
e.Content = p
}
c := factom.NewChain(e)
if _, err := factom.GetChainHead(c.ChainID); err == nil {
// no error means the client found the chain
errorln("Chain", c.ChainID, "already exists")
return
}
fmt.Println("Creating Chain:", c.ChainID)
if err := factom.CommitChain(c, name); err != nil {
errorln(err)
return
}
time.Sleep(10 * time.Second)
if err := factom.RevealChain(c); err != nil {
errorln(err)
return
}
}
// This is the Baby of Asset tracking! We get the current height of our block
// and we go through each entry, unmarshalling it and building a "block". We
// then process that block.
//
// We process transactions in our chain, and maintain a balance of our assets.
//
func (fs *AssetState) LoadState() error {
// First we need to build our list of blocks going back.
var blklist []factom.EBlock
// Get me a chain head...
blkmr, err := factom.GetChainHead(hex.EncodeToString(fs.ChainID()))
if err != nil {
return err
}
blk, err := factom.GetEBlock(blkmr.ChainHead)
for {
if blk.Header.BlockSequenceNumber < fs.nextblockheight {
break
}
blklist = append(blklist, *blk)
if blk.Header.BlockSequenceNumber == 0 {
break
}
nblk, err := factom.GetEBlock(blk.Header.PrevKeyMR)
if err != nil {
fmt.Println("Error Reading Entry blocks")
time.Sleep(time.Second)
continue
}
blk = nblk
}
// Now process blocks forward
for i := len(blklist) - 1; i >= 0; i-- {
for _, entry := range blklist[i].EntryList {
transEntry, err := factom.GetEntry(entry.EntryHash)
t := new(fct.Transaction)
transdata, err := hex.DecodeString(transEntry.Content)
if err != nil {
continue
} // Ignore bad entries.
err = t.UnmarshalBinary(transdata)
if err != nil {
continue
} // Ignore bad entries.
fs.AddTransaction(t)
}
}
return nil
}
func getChain(args []string) {
os.Args = args
flag.Parse()
args = flag.Args()
if len(args) < 1 {
man("getChain")
return
}
chainid := args[0]
chain, err := factom.GetChainHead(chainid)
if err != nil {
errorln(err)
return
}
fmt.Println(chain.ChainHead)
}
// put commits then reveals an entry to factomd
func put(args []string) {
os.Args = args
var (
cid = flag.String("c", "", "hex encoded chainid for the entry")
eids extids
)
flag.Var(&eids, "e", "external id for the entry")
flag.Parse()
args = flag.Args()
if len(args) < 1 {
man("put")
return
}
name := args[0]
e := factom.NewEntry()
// use the default chainid and extids from the config file
econf := ReadConfig().Entry
if econf.Chainid != "" {
e.ChainID = econf.Chainid
}
if *cid != "" {
e.ChainID = *cid
}
if econf.Extid != "" {
e.ExtIDs = append(e.ExtIDs, []byte(econf.Extid))
}
for _, v := range eids {
e.ExtIDs = append(e.ExtIDs, []byte(v))
}
// Entry.Content is read from stdin
if p, err := ioutil.ReadAll(os.Stdin); err != nil {
errorln(err)
return
} else if size := len(p); size > 10240 {
errorln(fmt.Errorf("Entry of %d bytes is too large", size))
return
} else {
e.Content = p
}
// Make sure the Chain exists before writing the Entry
if _, err := factom.GetChainHead(e.ChainID); err != nil {
errorln("Chain:", e.ChainID, "does not exist")
return
}
fmt.Printf("Creating Entry: %x\n", e.Hash())
if err := factom.CommitEntry(e, name); err != nil {
errorln(err)
return
}
time.Sleep(10 * time.Second)
if err := factom.RevealEntry(e); err != nil {
errorln(err)
return
}
}
flag.Parse()
args = flag.Args()
var chainid string
if len(args) < 1 && len(nameCollector) == 0 {
fmt.Println(cmd.helpMsg)
return
}
if len(nameCollector) != 0 {
chainid = nametoid(nameCollector)
} else {
chainid = args[0]
}
head, err := factom.GetChainHead(chainid)
if err != nil {
errorln(err)
return
}
eblock, err := factom.GetEBlock(head)
if err != nil {
errorln(err)
return
}
fmt.Println("EBlock:", head)
fmt.Println(eblock)
}
help.Add("get chainhead", cmd)
return cmd
