/
sendtx.go
102 lines (89 loc) · 2.44 KB
/
sendtx.go
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package rest
import (
"encoding/hex"
"encoding/json"
"io/ioutil"
"net/http"
"github.com/gorilla/mux"
"github.com/spf13/viper"
"github.com/tendermint/go-crypto/keys"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/builder"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/wire"
"github.com/cosmos/cosmos-sdk/x/bank/commands"
)
type sendBody struct {
// fees is not used currently
// Fees sdk.Coin `json="fees"`
Amount sdk.Coins `json:"amount"`
LocalAccountName string `json:"name"`
Password string `json:"password"`
ChainID string `json:"chain_id"`
Sequence int64 `json:"sequence"`
}
// SendRequestHandler - http request handler to send coins to a address
func SendRequestHandler(cdc *wire.Codec, kb keys.Keybase) func(http.ResponseWriter, *http.Request) {
c := commands.Commander{cdc}
return func(w http.ResponseWriter, r *http.Request) {
// collect data
vars := mux.Vars(r)
address := vars["address"]
var m sendBody
body, err := ioutil.ReadAll(r.Body)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte(err.Error()))
return
}
err = json.Unmarshal(body, &m)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte(err.Error()))
return
}
info, err := kb.Get(m.LocalAccountName)
if err != nil {
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(err.Error()))
return
}
bz, err := hex.DecodeString(address)
if err != nil {
w.WriteHeader(http.StatusBadRequest)
w.Write([]byte(err.Error()))
return
}
to := sdk.Address(bz)
// build message
msg := commands.BuildMsg(info.PubKey.Address(), to, m.Amount)
if err != nil { // XXX rechecking same error ?
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(err.Error()))
return
}
// sign
// XXX: OMG
viper.Set(client.FlagSequence, m.Sequence)
txBytes, err := builder.SignAndBuild(m.LocalAccountName, m.Password, msg, c.Cdc)
if err != nil {
w.WriteHeader(http.StatusUnauthorized)
w.Write([]byte(err.Error()))
return
}
// send
res, err := builder.BroadcastTx(txBytes)
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(err.Error()))
return
}
output, err := json.MarshalIndent(res, "", " ")
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte(err.Error()))
return
}
w.Write(output)
}
}