forked from cosmos/cosmos-sdk
-
Notifications
You must be signed in to change notification settings - Fork 0
/
transfer.go
75 lines (60 loc) · 2.13 KB
/
transfer.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
package rest
import (
"net/http"
"github.com/cosmos/cosmos-sdk/client/context"
clientrest "github.com/cosmos/cosmos-sdk/client/rest"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/crypto/keys"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/rest"
"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 transferReq struct {
BaseReq rest.BaseReq `json:"base_req"`
Amount sdk.Coins `json:"amount"`
}
// 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 {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
var req transferReq
if !rest.ReadRESTReq(w, r, cdc, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
var fromAddr sdk.AccAddress
if req.BaseReq.GenerateOnly {
// When generate only is supplied, the from field must be a valid Bech32
// address.
addr, err := sdk.AccAddressFromBech32(req.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
fromAddr = addr
}
packet := ibc.NewIBCPacket(fromAddr, to, req.Amount, req.BaseReq.ChainID, destChainID)
msg := ibc.IBCTransferMsg{IBCPacket: packet}
if req.BaseReq.GenerateOnly {
clientrest.WriteGenerateStdTxResponse(w, cdc, cliCtx, req.BaseReq, []sdk.Msg{msg})
return
}
clientrest.CompleteAndBroadcastTxREST(w, cliCtx, req.BaseReq, []sdk.Msg{msg}, cdc)
}
}