131 lines
3.7 KiB
Go
131 lines
3.7 KiB
Go
package rest
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"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/codec"
|
|
"github.com/cosmos/cosmos-sdk/crypto/keys"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
authtxb "github.com/cosmos/cosmos-sdk/x/auth/client/txbuilder"
|
|
"github.com/cosmos/cosmos-sdk/x/ibc"
|
|
|
|
"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 *codec.Codec, kb keys.Keybase) {
|
|
r.HandleFunc("/ibc/{destchain}/{address}/send", TransferRequestHandlerFn(cdc, kb, cliCtx)).Methods("POST")
|
|
}
|
|
|
|
type transferBody struct {
|
|
// Fees sdk.Coin `json="fees"`
|
|
Amount sdk.Coins `json:"amount"`
|
|
LocalAccountName string `json:"name"`
|
|
Password string `json:"password"`
|
|
SrcChainID string `json:"src_chain_id"`
|
|
AccountNumber int64 `json:"account_number"`
|
|
Sequence int64 `json:"sequence"`
|
|
Gas string `json:"gas"`
|
|
GasAdjustment string `json:"gas_adjustment"`
|
|
}
|
|
|
|
// TransferRequestHandler - http request handler to transfer coins to a address
|
|
// on a different chain via IBC
|
|
func TransferRequestHandlerFn(cdc *codec.Codec, kb keys.Keybase, cliCtx context.CLIContext) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
vars := mux.Vars(r)
|
|
destChainID := vars["destchain"]
|
|
bech32addr := vars["address"]
|
|
|
|
to, err := sdk.AccAddressFromBech32(bech32addr)
|
|
if err != nil {
|
|
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
|
|
return
|
|
}
|
|
|
|
var m transferBody
|
|
body, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
|
|
return
|
|
}
|
|
|
|
err = cdc.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
|
|
packet := ibc.NewIBCPacket(sdk.AccAddress(info.GetPubKey().Address()), to, m.Amount, m.SrcChainID, destChainID)
|
|
msg := ibc.IBCTransferMsg{packet}
|
|
|
|
simulateGas, gas, err := client.ReadGasFlag(m.Gas)
|
|
if err != nil {
|
|
utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
|
|
return
|
|
}
|
|
adjustment, ok := utils.ParseFloat64OrReturnBadRequest(w, m.GasAdjustment, client.DefaultGasAdjustment)
|
|
if !ok {
|
|
return
|
|
}
|
|
txBldr := authtxb.TxBuilder{
|
|
Codec: cdc,
|
|
Gas: gas,
|
|
GasAdjustment: adjustment,
|
|
SimulateGas: simulateGas,
|
|
ChainID: m.SrcChainID,
|
|
AccountNumber: m.AccountNumber,
|
|
Sequence: m.Sequence,
|
|
}
|
|
|
|
if utils.HasDryRunArg(r) || txBldr.SimulateGas {
|
|
newCtx, 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, txBldr.Gas)
|
|
return
|
|
}
|
|
txBldr = newCtx
|
|
}
|
|
|
|
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 := cdc.MarshalJSON(res)
|
|
if err != nil {
|
|
utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
|
|
return
|
|
}
|
|
|
|
w.Write(output)
|
|
}
|
|
}
|