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tx.go
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tx.go
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package rest
import (
"bytes"
"net/http"
"github.com/gorilla/mux"
"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/staking"
)
func registerTxRoutes(cliCtx context.CLIContext, r *mux.Router, cdc *codec.Codec, kb keys.Keybase) {
r.HandleFunc(
"/staking/delegators/{delegatorAddr}/delegations",
postDelegationsHandlerFn(cdc, kb, cliCtx),
).Methods("POST")
r.HandleFunc(
"/staking/delegators/{delegatorAddr}/unbonding_delegations",
postUnbondingDelegationsHandlerFn(cdc, kb, cliCtx),
).Methods("POST")
r.HandleFunc(
"/staking/delegators/{delegatorAddr}/redelegations",
postRedelegationsHandlerFn(cdc, kb, cliCtx),
).Methods("POST")
}
type (
// DelegateRequest defines the properties of a delegation request's body.
DelegateRequest struct {
BaseReq rest.BaseReq `json:"base_req"`
DelegatorAddress sdk.AccAddress `json:"delegator_address"` // in bech32
ValidatorAddress sdk.ValAddress `json:"validator_address"` // in bech32
Amount sdk.Coin `json:"amount"`
}
// RedelegateRequest defines the properties of a redelegate request's body.
RedelegateRequest struct {
BaseReq rest.BaseReq `json:"base_req"`
DelegatorAddress sdk.AccAddress `json:"delegator_address"` // in bech32
ValidatorSrcAddress sdk.ValAddress `json:"validator_src_address"` // in bech32
ValidatorDstAddress sdk.ValAddress `json:"validator_dst_address"` // in bech32
Amount sdk.Coin `json:"amount"`
}
// UndelegateRequest defines the properties of a undelegate request's body.
UndelegateRequest struct {
BaseReq rest.BaseReq `json:"base_req"`
DelegatorAddress sdk.AccAddress `json:"delegator_address"` // in bech32
ValidatorAddress sdk.ValAddress `json:"validator_address"` // in bech32
Amount sdk.Coin `json:"amount"`
}
)
func postDelegationsHandlerFn(cdc *codec.Codec, kb keys.Keybase, cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req DelegateRequest
if !rest.ReadRESTReq(w, r, cdc, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
msg := staking.NewMsgDelegate(req.DelegatorAddress, req.ValidatorAddress, req.Amount)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
fromAddr, err := sdk.AccAddressFromBech32(req.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if !bytes.Equal(fromAddr, req.DelegatorAddress) {
rest.WriteErrorResponse(w, http.StatusUnauthorized, "must use own delegator address")
return
}
clientrest.WriteGenerateStdTxResponse(w, cdc, cliCtx, req.BaseReq, []sdk.Msg{msg})
}
}
func postRedelegationsHandlerFn(cdc *codec.Codec, kb keys.Keybase, cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req RedelegateRequest
if !rest.ReadRESTReq(w, r, cdc, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
msg := staking.NewMsgBeginRedelegate(req.DelegatorAddress, req.ValidatorSrcAddress, req.ValidatorDstAddress, req.Amount)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
fromAddr, err := sdk.AccAddressFromBech32(req.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if !bytes.Equal(fromAddr, req.DelegatorAddress) {
rest.WriteErrorResponse(w, http.StatusUnauthorized, "must use own delegator address")
return
}
clientrest.WriteGenerateStdTxResponse(w, cdc, cliCtx, req.BaseReq, []sdk.Msg{msg})
}
}
func postUnbondingDelegationsHandlerFn(cdc *codec.Codec, kb keys.Keybase, cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req UndelegateRequest
if !rest.ReadRESTReq(w, r, cdc, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
msg := staking.NewMsgUndelegate(req.DelegatorAddress, req.ValidatorAddress, req.Amount)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
fromAddr, err := sdk.AccAddressFromBech32(req.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
if !bytes.Equal(fromAddr, req.DelegatorAddress) {
rest.WriteErrorResponse(w, http.StatusUnauthorized, "must use own delegator address")
return
}
clientrest.WriteGenerateStdTxResponse(w, cdc, cliCtx, req.BaseReq, []sdk.Msg{msg})
}
}