106 lines
2.8 KiB
Go
106 lines
2.8 KiB
Go
package rest
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"net/http"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client/context"
|
|
"github.com/cosmos/cosmos-sdk/crypto/keys"
|
|
sdk "github.com/cosmos/cosmos-sdk/types"
|
|
"github.com/cosmos/cosmos-sdk/wire"
|
|
authctx "github.com/cosmos/cosmos-sdk/x/auth/client/context"
|
|
"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 *wire.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 int64 `json:"gas"`
|
|
}
|
|
|
|
// TransferRequestHandler - http request handler to transfer coins to a address
|
|
// on a different chain via IBC
|
|
func TransferRequestHandlerFn(cdc *wire.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 {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
|
|
var m transferBody
|
|
body, err := ioutil.ReadAll(r.Body)
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusBadRequest)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
|
|
err = cdc.UnmarshalJSON(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
|
|
}
|
|
|
|
// build message
|
|
packet := ibc.NewIBCPacket(sdk.AccAddress(info.GetPubKey().Address()), to, m.Amount, m.SrcChainID, destChainID)
|
|
msg := ibc.IBCTransferMsg{packet}
|
|
|
|
txCtx := authctx.TxContext{
|
|
Codec: cdc,
|
|
ChainID: m.SrcChainID,
|
|
AccountNumber: m.AccountNumber,
|
|
Sequence: m.Sequence,
|
|
Gas: m.Gas,
|
|
}
|
|
|
|
txBytes, err := txCtx.BuildAndSign(m.LocalAccountName, m.Password, []sdk.Msg{msg})
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusUnauthorized)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
|
|
res, err := cliCtx.BroadcastTx(txBytes)
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
|
|
output, err := cdc.MarshalJSON(res)
|
|
if err != nil {
|
|
w.WriteHeader(http.StatusInternalServerError)
|
|
w.Write([]byte(err.Error()))
|
|
return
|
|
}
|
|
|
|
w.Write(output)
|
|
}
|
|
}
|