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tx.go
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tx.go
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package rest
import (
"net/http"
"github.com/gorilla/mux"
"github.com/okex/exchain/libs/cosmos-sdk/client/context"
"github.com/okex/exchain/libs/cosmos-sdk/x/auth/client/utils"
"github.com/okex/exchain/libs/cosmos-sdk/x/distribution/client/common"
"github.com/okex/exchain/libs/cosmos-sdk/x/distribution/types"
sdk "github.com/okex/exchain/libs/cosmos-sdk/types"
"github.com/okex/exchain/libs/cosmos-sdk/types/rest"
)
func registerTxRoutes(cliCtx context.CLIContext, r *mux.Router, queryRoute string) {
// Withdraw all delegator rewards
r.HandleFunc(
"/distribution/delegators/{delegatorAddr}/rewards",
withdrawDelegatorRewardsHandlerFn(cliCtx, queryRoute),
).Methods("POST")
// Withdraw delegation rewards
r.HandleFunc(
"/distribution/delegators/{delegatorAddr}/rewards/{validatorAddr}",
withdrawDelegationRewardsHandlerFn(cliCtx),
).Methods("POST")
// Replace the rewards withdrawal address
r.HandleFunc(
"/distribution/delegators/{delegatorAddr}/withdraw_address",
setDelegatorWithdrawalAddrHandlerFn(cliCtx),
).Methods("POST")
// Withdraw validator rewards and commission
r.HandleFunc(
"/distribution/validators/{validatorAddr}/rewards",
withdrawValidatorRewardsHandlerFn(cliCtx),
).Methods("POST")
// Fund the community pool
r.HandleFunc(
"/distribution/community_pool",
fundCommunityPoolHandlerFn(cliCtx),
).Methods("POST")
}
type (
withdrawRewardsReq struct {
BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"`
}
setWithdrawalAddrReq struct {
BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"`
WithdrawAddress sdk.AccAddress `json:"withdraw_address" yaml:"withdraw_address"`
}
fundCommunityPoolReq struct {
BaseReq rest.BaseReq `json:"base_req" yaml:"base_req"`
Amount sdk.Coins `json:"amount" yaml:"amount"`
}
)
// Withdraw delegator rewards
func withdrawDelegatorRewardsHandlerFn(cliCtx context.CLIContext, queryRoute string) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req withdrawRewardsReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
// read and validate URL's variables
delAddr, ok := checkDelegatorAddressVar(w, r)
if !ok {
return
}
msgs, err := common.WithdrawAllDelegatorRewards(cliCtx, queryRoute, delAddr)
if err != nil {
rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, msgs)
}
}
// Withdraw delegation rewards
func withdrawDelegationRewardsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req withdrawRewardsReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
// read and validate URL's variables
delAddr, ok := checkDelegatorAddressVar(w, r)
if !ok {
return
}
valAddr, ok := checkValidatorAddressVar(w, r)
if !ok {
return
}
msg := types.NewMsgWithdrawDelegatorReward(delAddr, valAddr)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, []sdk.Msg{msg})
}
}
// Replace the rewards withdrawal address
func setDelegatorWithdrawalAddrHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req setWithdrawalAddrReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
// read and validate URL's variables
delAddr, ok := checkDelegatorAddressVar(w, r)
if !ok {
return
}
msg := types.NewMsgSetWithdrawAddress(delAddr, req.WithdrawAddress)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, []sdk.Msg{msg})
}
}
// Withdraw validator rewards and commission
func withdrawValidatorRewardsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req withdrawRewardsReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
// read and validate URL's variable
valAddr, ok := checkValidatorAddressVar(w, r)
if !ok {
return
}
// prepare multi-message transaction
msgs, err := common.WithdrawValidatorRewardsAndCommission(valAddr)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, msgs)
}
}
func fundCommunityPoolHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
var req fundCommunityPoolReq
if !rest.ReadRESTReq(w, r, cliCtx.Codec, &req) {
return
}
req.BaseReq = req.BaseReq.Sanitize()
if !req.BaseReq.ValidateBasic(w) {
return
}
fromAddr, err := sdk.AccAddressFromBech32(req.BaseReq.From)
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
msg := types.NewMsgFundCommunityPool(req.Amount, fromAddr)
if err := msg.ValidateBasic(); err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return
}
utils.WriteGenerateStdTxResponse(w, cliCtx, req.BaseReq, []sdk.Msg{msg})
}
}
// Auxiliary
func checkDelegatorAddressVar(w http.ResponseWriter, r *http.Request) (sdk.AccAddress, bool) {
addr, err := sdk.AccAddressFromBech32(mux.Vars(r)["delegatorAddr"])
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return nil, false
}
return addr, true
}
func checkValidatorAddressVar(w http.ResponseWriter, r *http.Request) (sdk.ValAddress, bool) {
addr, err := sdk.ValAddressFromBech32(mux.Vars(r)["validatorAddr"])
if err != nil {
rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
return nil, false
}
return addr, true
}