func handleEntry(ctx *web.Context, hash string) {
type entry struct {
ChainID string
Content string
ExtIDs []string
}
e := new(entry)
if entry, err := factomapi.EntryByHash(hash); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
e.ChainID = entry.ChainID.String()
e.Content = hex.EncodeToString(entry.Content)
for _, v := range entry.ExtIDs {
e.ExtIDs = append(e.ExtIDs, hex.EncodeToString(v))
}
}
if p, err := json.Marshal(e); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func search(ctx *web.Context, collection string) {
ctx.ContentType("json")
ctx.SetHeader("Access-Control-Allow-Origin", "*", true)
query := ctx.Params["query"]
var limit, offset int64
var err error
if limit, err = strconv.ParseInt(ctx.Params["limit"], 10, 32); err != nil {
limit = 10
}
if offset, err = strconv.ParseInt(ctx.Params["offset"], 10, 32); err != nil {
offset = 0
}
results, err := c.Search(collection, query, int(limit), int(offset))
buf := new(bytes.Buffer)
encoder := json.NewEncoder(buf)
if err != nil {
encoder.Encode(err)
ctx.WriteHeader(err.(*gorc.OrchestrateError).StatusCode)
} else {
encoder.Encode(results)
}
ctx.Write(buf.Bytes())
}
func handleDirectoryBlockHead(ctx *web.Context) {
type dbhead struct {
KeyMR string
}
h := new(dbhead)
if block, err := factomapi.DBlockHead(); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
h.KeyMR = block.KeyMR.String()
}
if p, err := json.Marshal(h); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
// ctx.WriteHeader(httpOK)
}
func responseJson(ctx *web.Context, statusCode int, obj interface{}) string {
ctx.WriteHeader(statusCode)
if obj != nil {
content, _ := json.MarshalIndent(obj, " ", " ")
return string(content)
}
return ""
}
func renderTemplate(webContext *web.Context, template string, action string, context interface{}, statusCode int) {
webContext.WriteHeader(statusCode)
err := templates[template].ExecuteTemplate(webContext, action+".html", context)
if err != nil {
log.Println("[ERROR] renderTemplate: ", err)
webContext.Abort(500, "Unable to process request.")
}
}
func HandleGetRaw(ctx *web.Context, hashkey string) {
state := ctx.Server.Env["state"].(interfaces.IState)
//TODO: var block interfaces.BinaryMarshallable
d := new(RawData)
h, err := primitives.HexToHash(hashkey)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
dbase := state.GetDB()
var b []byte
// try to find the block data in db and return the first one found
if block, _ := dbase.FetchFBlockByKeyMR(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchDBlockByKeyMR(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchABlockByKeyMR(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchEBlockByKeyMR(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchECBlockByKeyMR(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchEntryByHash(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchFBlockByHash(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchDBlockByHash(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchABlockByHash(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchEBlockByHash(h); block != nil {
b, _ = block.MarshalBinary()
} else if block, _ := dbase.FetchECBlockByHash(h); block != nil {
b, _ = block.MarshalBinary()
}
d.Data = hex.EncodeToString(b)
if p, err := json.Marshal(d); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func handleGetFee(ctx *web.Context) {
type x struct{ Fee int64 }
b := new(x)
b.Fee = int64(common.FactoidState.GetFactoshisPerEC())
if p, err := json.Marshal(b); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
return
} else {
ctx.Write(p)
}
}
func handleGetRaw(ctx *web.Context, hashkey string) {
type rawData struct {
Data string
}
//TODO: var block common.BinaryMarshallable
d := new(rawData)
h, err := common.HexToHash(hashkey)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
// try to find the block data in db and return the first one found
if block, _ := dbase.FetchFBlockByHash(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchDBlockByHash(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchABlockByHash(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchDBlockByMR(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchEBlockByHash(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchEBlockByMR(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchECBlockByHash(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
} else if block, _ := dbase.FetchEntryByHash(h); block != nil {
bytes, _ := block.MarshalBinary()
d.Data = hex.EncodeToString(bytes[:])
}
if p, err := json.Marshal(d); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
// ctx.WriteHeader(httpOK)
}
/*
Server a 500 Internal Error page
Parameters:
ctx: the context of the http request
err: the error that was encountered
*/
func internalError(ctx *web.Context, err error) {
logger.Printf("500 Internal Server Error: %v\n", err.Error())
sendEmailToAdmins("Redu.se Internal Error", err.Error())
ctx.WriteHeader(500)
commonTemplate(ctx,
"generic.html",
map[string]string{"title_text": "500 Internal Server Error",
"body_text": err.Error(),
})
}
/*
Serve a 404 Not Found error page
Parameters:
ctx: the context of the http request
urlStr: the URL that the request was trying to access
*/
func error404(ctx *web.Context, urlStr string) {
logger.Printf("404 Error for URL: %v\n", urlStr)
bodyStr := "Could not locate \"" + urlStr + "\" on this server"
ctx.WriteHeader(404)
commonTemplate(ctx,
"generic.html",
map[string]string{"title_text": "404 Page Not Found",
"body_text": bodyStr,
})
}
// True is sccuess! False is failure. The Response is what the CLI
// should report.
func reportResults(ctx *web.Context, response string, success bool) {
b := Response{
Response: response,
Success: success,
}
if p, err := json.Marshal(b); err != nil {
ctx.WriteHeader(httpBad)
return
} else {
ctx.Write(p)
}
}
func handleProperties(ctx *web.Context) {
r := new(common.Properties)
r.Factomd_Version = common.FACTOMD_VERSION
r.Protocol_Version = btcd.ProtocolVersion
if p, err := json.Marshal(r); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func HandleCommitEntry(ctx *web.Context, name string) {
data, err := ioutil.ReadAll(ctx.Request.Body)
if err != nil {
fmt.Println("Could not read from http request:", err)
ctx.WriteHeader(httpBad)
return
}
err = Wallet.CommitEntry(name, data)
if err != nil {
fmt.Println(err)
ctx.WriteHeader(httpBad)
return
}
}
func HandleGetFee(ctx *web.Context) {
state := ctx.Server.Env["state"].(interfaces.IState)
type x struct{ Fee int64 }
b := new(x)
b.Fee = int64(state.GetFactoidState().GetFactoshisPerEC())
if p, err := json.Marshal(b); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
return
} else {
ctx.Write(p)
}
}
func HandleDirectoryBlock(ctx *web.Context, hashkey string) {
state := ctx.Server.Env["state"].(interfaces.IState)
d := new(DBlock)
h, err := primitives.HexToHash(hashkey)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
dbase := state.GetDB()
block, err := dbase.FetchDBlockByKeyMR(h)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
if block == nil {
block, err = dbase.FetchDBlockByHash(h)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
if block == nil {
//TODO: Handle block not found
return
}
}
d.Header.PrevBlockKeyMR = block.GetHeader().GetPrevKeyMR().String()
d.Header.SequenceNumber = block.GetHeader().GetDBHeight()
d.Header.Timestamp = block.GetHeader().GetTimestamp() * 60
for _, v := range block.GetDBEntries() {
l := new(EBlockAddr)
l.ChainID = v.GetChainID().String()
l.KeyMR = v.GetKeyMR().String()
d.EntryBlockList = append(d.EntryBlockList, *l)
}
if p, err := json.Marshal(d); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func handleCommitChain(ctx *web.Context) {
type commitchain struct {
CommitChainMsg string
}
c := new(commitchain)
if p, err := ioutil.ReadAll(ctx.Request.Body); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
if err := json.Unmarshal(p, c); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
}
commit := common.NewCommitChain()
if p, err := hex.DecodeString(c.CommitChainMsg); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
_, err := commit.UnmarshalBinaryData(p)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
}
if err := factomapi.CommitChain(commit); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
// ctx.WriteHeader(httpOK)
}
func handleRevealEntry(ctx *web.Context) {
type revealentry struct {
Entry string
}
e := new(revealentry)
if p, err := ioutil.ReadAll(ctx.Request.Body); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
if err := json.Unmarshal(p, e); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
}
entry := common.NewEntry()
if p, err := hex.DecodeString(e.Entry); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
_, err := entry.UnmarshalBinaryData(p)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
}
if err := factomapi.RevealEntry(entry); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
// ctx.WriteHeader(httpOK)
}
func handleDirectoryBlock(ctx *web.Context, keymr string) {
type eblockaddr struct {
ChainID string
KeyMR string
}
type dblock struct {
Header struct {
PrevBlockKeyMR string
SequenceNumber uint32
Timestamp uint32
}
EntryBlockList []eblockaddr
}
d := new(dblock)
if block, err := factomapi.DBlockByKeyMR(keymr); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
d.Header.PrevBlockKeyMR = block.Header.PrevKeyMR.String()
d.Header.SequenceNumber = block.Header.DBHeight
d.Header.Timestamp = block.Header.Timestamp * 60
for _, v := range block.DBEntries {
l := new(eblockaddr)
l.ChainID = v.ChainID.String()
l.KeyMR = v.KeyMR.String()
d.EntryBlockList = append(d.EntryBlockList, *l)
}
}
if p, err := json.Marshal(d); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
// ctx.WriteHeader(httpOK)
}
func HandleDirectoryBlockHead(ctx *web.Context) {
state := ctx.Server.Env["state"].(interfaces.IState)
h := new(DBHead)
h.KeyMR = state.GetPreviousDirectoryBlock().GetKeyMR().String()
fmt.Println(h.KeyMR)
if p, err := json.Marshal(h); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func handleDirectoryBlockHeight(ctx *web.Context) {
type dbheight struct {
Height int
}
h := new(dbheight)
if block, err := factomapi.DBlockHead(); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
h.Height = int(block.Header.DBHeight)
}
if p, err := json.Marshal(h); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func handleChainHead(ctx *web.Context, chainid string) {
type chead struct {
ChainHead string
}
c := new(chead)
if mr, err := factomapi.ChainHead(chainid); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
c.ChainHead = mr.String()
}
if p, err := json.Marshal(c); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func HandleChainHead(ctx *web.Context, hashkey string) {
state := ctx.Server.Env["state"].(interfaces.IState)
c := new(CHead)
h, err := primitives.HexToHash(hashkey)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
dbase := state.GetDB()
mr, err := dbase.FetchHeadIndexByChainID(h)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
if mr == nil {
err := fmt.Errorf("Missing Chain Head")
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
c.ChainHead = mr.String()
if p, err := json.Marshal(c); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func HandleEntry(ctx *web.Context, hashkey string) {
state := ctx.Server.Env["state"].(interfaces.IState)
e := new(EntryStruct)
h, err := primitives.HexToHash(hashkey)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
dbase := state.GetDB()
entry, err := dbase.FetchEntryByHash(h)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
if entry == nil {
//TODO: Handle block not found
return
}
e.ChainID = entry.GetChainIDHash().String()
e.Content = hex.EncodeToString(entry.GetContent())
for _, v := range entry.ExternalIDs() {
e.ExtIDs = append(e.ExtIDs, hex.EncodeToString(v))
}
if p, err := json.Marshal(e); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
func unpack(ctx *web.Context, action func(*payload)) {
flusher, _ := ctx.ResponseWriter.(http.Flusher)
defer flusher.Flush()
var v payload
if body, err := ioutil.ReadAll(ctx.Request.Body); err == nil {
defer ctx.Request.Body.Close()
if err := json.Unmarshal(body, &v); err != nil {
ctx.WriteHeader(400)
ctx.Write(errorMsg("INSUFFICIENT PAYLOAD"))
return
}
if !verify(v.Signature) {
ctx.WriteHeader(403)
ctx.Write(errorMsg("INVALID SIGNATURE"))
return
}
action(&v)
return
} else {
ctx.WriteHeader(400)
ctx.Write(errorMsg(err.Error()))
}
}
// &key=<key>&name=<name or address>&amount=<amount>
// If no amount is specified, a zero is returned.
func getParams_(ctx *web.Context, params string, ec bool) (
trans fct.ITransaction,
key string,
name string,
address fct.IAddress,
amount int64,
ok bool) {
key = ctx.Params["key"]
name = ctx.Params["name"]
StrAmount := ctx.Params["amount"]
if len(StrAmount) == 0 {
StrAmount = "0"
}
if len(key) == 0 || len(name) == 0 {
str := fmt.Sprintln("Missing Parameters: key='", key, "' name='", name, "' amount='", StrAmount, "'")
reportResults(ctx, str, false)
ok = false
return
}
msg, valid := ValidateKey(key)
if !valid {
reportResults(ctx, msg, false)
ok = false
return
}
amount, err := strconv.ParseInt(StrAmount, 10, 64)
if err != nil {
str := fmt.Sprintln("Error parsing amount.\n", err)
reportResults(ctx, str, false)
ok = false
return
}
// Get the transaction
trans, err = getTransaction(ctx, key)
if err != nil {
reportResults(ctx, "Failure to locate the transaction", false)
ok = false
return
}
// Get the input/output/ec address. Which could be a name. First look and see if it is
// a name. If it isn't, then look and see if it is an address. Someone could
// do a weird Address as a name and fool the code, but that seems unlikely.
// Could check for that some how, but there are many ways around such checks.
if len(name) <= fct.ADDRESS_LENGTH {
we := Wallet.GetRaw([]byte(fct.W_NAME), []byte(name))
if we != nil {
address, err = we.(wallet.IWalletEntry).GetAddress()
if we.(wallet.IWalletEntry).GetType() == "ec" {
if !ec {
reportResults(ctx, "Was Expecting a Factoid Address", false)
ok = false
return
}
} else {
if ec {
reportResults(ctx, "Was Expecting an Entry Credit Address", false)
ok = false
return
}
}
if err != nil || address == nil {
reportResults(ctx, "Should not get an error geting a address from a Wallet Entry", false)
ok = false
return
}
ok = true
return
}
}
if (!ec && !fct.ValidateFUserStr(name)) || (ec && !fct.ValidateECUserStr(name)) {
reportResults(ctx, fmt.Sprintf("The address specified isn't defined or is invalid: %s", name), false)
ctx.WriteHeader(httpBad)
ok = false
return
}
baddr := fct.ConvertUserStrToAddress(name)
address = fct.NewAddress(baddr)
ok = true
return
}
func HandleEntryBlock(ctx *web.Context, hashkey string) {
state := ctx.Server.Env["state"].(interfaces.IState)
e := new(EBlock)
h, err := primitives.HexToHash(hashkey)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
dbase := state.GetDB()
block, err := dbase.FetchEBlockByKeyMR(h)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
if block == nil {
block, err = dbase.FetchEBlockByHash(h)
if err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
}
if block == nil {
//TODO: Handle block not found
return
}
}
e.Header.BlockSequenceNumber = block.GetHeader().GetEBSequence()
e.Header.ChainID = block.GetHeader().GetChainID().String()
e.Header.PrevKeyMR = block.GetHeader().GetPrevKeyMR().String()
if dblock, err := dbase.FetchDBlockByHeight(block.GetHeader().GetDBHeight()); err == nil {
e.Header.Timestamp = dblock.GetHeader().GetTimestamp() * 60
}
// create a map of possible minute markers that may be found in the
// EBlock Body
mins := make(map[string]uint8)
for i := byte(1); i <= 10; i++ {
h := make([]byte, 32)
h[len(h)-1] = i
mins[hex.EncodeToString(h)] = i
}
estack := make([]EntryAddr, 0)
for _, v := range block.GetBody().GetEBEntries() {
if n, exist := mins[v.String()]; exist {
// the entry is a minute marker. add time to all of the
// previous entries for the minute
t := e.Header.Timestamp + 60*uint32(n)
for _, w := range estack {
w.Timestamp = t
e.EntryList = append(e.EntryList, w)
}
estack = make([]EntryAddr, 0)
} else {
l := new(EntryAddr)
l.EntryHash = v.String()
estack = append(estack, *l)
}
}
if p, err := json.Marshal(e); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
// Starts a computation, validates the matrix in POST.
// If matrix data is missing, returns 400 Bad Request.
// If on the other hand matrix is data is not missing,
// but makes no sense, it returns 422 Unprocessable Entity.
func (server *Server) PostMatrix(ctx *web.Context) {
defer runtime.GC()
// Parse params
var paramBlob struct {
Matrix []int `json:"matrix"`
Country string `json:"country"`
SpeedProfile float64 `json:"speed_profile"`
}
if err := json.NewDecoder(ctx.Request.Body).Decode(¶mBlob); err != nil {
ctx.Abort(400, err.Error())
return
}
data := paramBlob.Matrix
country := strings.ToLower(paramBlob.Country)
sp := int(paramBlob.SpeedProfile)
ok := len(data) > 0 && country != "" && sp > 0
if ok {
// Sanitize speed profile.
if !contains(sp, allowedSpeeds) {
msg := fmt.Sprintf("speed profile '%d' makes no sense, must be one of %s", sp, fmt.Sprint(allowedSpeeds))
ctx.Abort(422, msg)
return
}
// Sanitize country.
if _, ok := server.AllowedCountries[country]; !ok {
countries := ""
for k := range server.AllowedCountries {
countries += k + " "
}
ctx.Abort(422, "country "+country+" not allowed, must be one of: "+countries)
return
}
matrix, err := server.Via.ComputeMatrix(data, country, sp)
if err != nil {
viaErr.NewError(viaErr.ErrMatrixComputation, err.Error()).WriteTo(ctx.ResponseWriter)
return
}
result := Result{
Progress: "complete",
Matrix: matrix,
SpeedProfile: sp,
}
ctx.WriteHeader(200)
ctx.ContentType("json")
if err := json.NewEncoder(ctx.ResponseWriter).Encode(result); err != nil {
viaErr.NewError(viaErr.ErrMatrixComputation, "Failed to encode results to response writer.").WriteTo(ctx.ResponseWriter)
return
}
} else {
body, _ := ioutil.ReadAll(ctx.Request.Body)
ctx.Abort(400, "Missing or invalid matrix data, speed profile, or country. You sent: "+string(body))
return
}
}
func handleEntryBlock(ctx *web.Context, keymr string) {
type entryaddr struct {
EntryHash string
Timestamp uint32
}
type eblock struct {
Header struct {
BlockSequenceNumber uint32
ChainID string
PrevKeyMR string
Timestamp uint32
}
EntryList []entryaddr
}
e := new(eblock)
if block, err := factomapi.EBlockByKeyMR(keymr); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
e.Header.BlockSequenceNumber = block.Header.EBSequence
e.Header.ChainID = block.Header.ChainID.String()
e.Header.PrevKeyMR = block.Header.PrevKeyMR.String()
if dblock, err := dbase.FetchDBlockByHeight(block.Header.DBHeight); err == nil {
e.Header.Timestamp = dblock.Header.Timestamp * 60
}
// create a map of possible minute markers that may be found in the
// EBlock Body
mins := make(map[string]uint8)
for i := byte(1); i <= 10; i++ {
h := make([]byte, 32)
h[len(h)-1] = i
mins[hex.EncodeToString(h)] = i
}
estack := make([]entryaddr, 0)
for _, v := range block.Body.EBEntries {
if n, exist := mins[v.String()]; exist {
// the entry is a minute marker. add time to all of the
// previous entries for the minute
t := e.Header.Timestamp + 60*uint32(n)
for _, w := range estack {
w.Timestamp = t
e.EntryList = append(e.EntryList, w)
}
estack = make([]entryaddr, 0)
} else {
l := new(entryaddr)
l.EntryHash = v.String()
estack = append(estack, *l)
}
}
}
if p, err := json.Marshal(e); err != nil {
wsLog.Error(err)
ctx.WriteHeader(httpBad)
ctx.Write([]byte(err.Error()))
return
} else {
ctx.Write(p)
}
}
