cosmos-sdk/x/bank/client/rest/sendtx.go

143 lines
4.0 KiB
Go

package rest
import (
"io/ioutil"
"net/http"
cliclient "github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/client/context"
"github.com/cosmos/cosmos-sdk/client/utils"
"github.com/cosmos/cosmos-sdk/crypto/keys"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/wire"
authtxb "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
"github.com/cosmos/cosmos-sdk/x/bank"
"github.com/cosmos/cosmos-sdk/x/bank/client"
"github.com/gorilla/mux"
)
// RegisterRoutes - Central function to define routes that get registered by the main application
func RegisterRoutes(cliCtx context.CLIContext, r *mux.Router, cdc *wire.Codec, kb keys.Keybase) {
r.HandleFunc("/accounts/{address}/send", SendRequestHandlerFn(cdc, kb, cliCtx)).Methods("POST")
r.HandleFunc("/tx/broadcast", BroadcastTxRequestHandlerFn(cdc, cliCtx)).Methods("POST")
}
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"`
AccountNumber int64 `json:"account_number"`
Sequence int64 `json:"sequence"`
Gas string `json:"gas"`
GasAdjustment string `json:"gas_adjustment"`
}
var msgCdc = wire.NewCodec()
func init() {
bank.RegisterWire(msgCdc)
}
// SendRequestHandlerFn - http request handler to send coins to a address
// nolint: gocyclo
func SendRequestHandlerFn(cdc *wire.Codec, kb keys.Keybase, cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
// collect data
vars := mux.Vars(r)
bech32addr := vars["address"]
to, err := sdk.AccAddressFromBech32(bech32addr)
if err != nil {
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
var m sendBody
body, err := ioutil.ReadAll(r.Body)
if err != nil {
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
err = msgCdc.UnmarshalJSON(body, &m)
if err != nil {
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
info, err := kb.Get(m.LocalAccountName)
if err != nil {
utils.WriteErrorResponse(w, http.StatusUnauthorized, err.Error())
return
}
// build message
msg := client.BuildMsg(sdk.AccAddress(info.GetPubKey().Address()), to, m.Amount)
if err != nil { // XXX rechecking same error ?
utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
simulateGas, gas, err := cliclient.ReadGasFlag(m.Gas)
if err != nil {
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
adjustment, ok := utils.ParseFloat64OrReturnBadRequest(w, m.GasAdjustment, cliclient.DefaultGasAdjustment)
if !ok {
return
}
txBldr := authtxb.TxBuilder{
Codec: cdc,
Gas: gas,
GasAdjustment: adjustment,
SimulateGas: simulateGas,
ChainID: m.ChainID,
AccountNumber: m.AccountNumber,
Sequence: m.Sequence,
}
if utils.HasDryRunArg(r) || txBldr.SimulateGas {
newBldr, err := utils.EnrichCtxWithGas(txBldr, cliCtx, m.LocalAccountName, []sdk.Msg{msg})
if err != nil {
utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
if utils.HasDryRunArg(r) {
utils.WriteSimulationResponse(w, newBldr.Gas)
return
}
txBldr = newBldr
}
if utils.HasGenerateOnlyArg(r) {
utils.WriteGenerateStdTxResponse(w, txBldr, []sdk.Msg{msg})
return
}
txBytes, err := txBldr.BuildAndSign(m.LocalAccountName, m.Password, []sdk.Msg{msg})
if err != nil {
utils.WriteErrorResponse(w, http.StatusUnauthorized, err.Error())
return
}
res, err := cliCtx.BroadcastTx(txBytes)
if err != nil {
utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
output, err := wire.MarshalJSONIndent(cdc, res)
if err != nil {
utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
w.Write(output)
}
}