refactor(gateway): remove deprecated endpoints (celestiaorg#2764)

api/gateway/endpoints.go

@@ -5,28 +5,7 @@ import (
 	"net/http"
 )
 
-func (h *Handler) RegisterEndpoints(rpc *Server, deprecatedEndpointsEnabled bool) {
-	if deprecatedEndpointsEnabled {
-		log.Warn("Deprecated endpoints will be removed from the gateway in the next release. Use the RPC instead.")
-		// state endpoints
-		rpc.RegisterHandlerFunc(balanceEndpoint, h.handleBalanceRequest, http.MethodGet)
-		rpc.RegisterHandlerFunc(submitPFBEndpoint, h.handleSubmitPFB, http.MethodPost)
-
-		// staking queries
-		rpc.RegisterHandlerFunc(fmt.Sprintf("%s/{%s}", queryDelegationEndpoint, addrKey), h.handleQueryDelegation,
-			http.MethodGet)
-		rpc.RegisterHandlerFunc(fmt.Sprintf("%s/{%s}", queryUnbondingEndpoint, addrKey), h.handleQueryUnbonding,
-			http.MethodGet)
-		rpc.RegisterHandlerFunc(queryRedelegationsEndpoint, h.handleQueryRedelegations,
-			http.MethodPost)
-
-		// DASer endpoints
-		// only register if DASer service is available
-		if h.das != nil {
-			rpc.RegisterHandlerFunc(dasStateEndpoint, h.handleDASStateRequest, http.MethodGet)
-		}
-	}
-
+func (h *Handler) RegisterEndpoints(rpc *Server) {
 	// state endpoints
 	rpc.RegisterHandlerFunc(fmt.Sprintf("%s/{%s}", balanceEndpoint, addrKey), h.handleBalanceRequest,
 		http.MethodGet)

api/gateway/state.go

@@ -9,17 +9,12 @@ import (
 	"github.com/cosmos/cosmos-sdk/types"
 	"github.com/gorilla/mux"
 
-	"github.com/celestiaorg/celestia-node/blob"
 	"github.com/celestiaorg/celestia-node/state"
 )
 
 const (
-	balanceEndpoint            = "/balance"
-	submitTxEndpoint           = "/submit_tx"
-	submitPFBEndpoint          = "/submit_pfb"
-	queryDelegationEndpoint    = "/query_delegation"
-	queryUnbondingEndpoint     = "/query_unbonding"
-	queryRedelegationsEndpoint = "/query_redelegations"
+	balanceEndpoint  = "/balance"
+	submitTxEndpoint = "/submit_tx"
 )
 
 const addrKey = "address"
@@ -34,21 +29,6 @@ type submitTxRequest struct {
 	Tx string `json:"tx"`
 }
 
-// submitPFBRequest represents a request to submit a PayForBlob
-// transaction.
-type submitPFBRequest struct {
-	NamespaceID string `json:"namespace_id"`
-	Data        string `json:"data"`
-	Fee         int64  `json:"fee"`
-	GasLimit    uint64 `json:"gas_limit"`
-}
-
-// queryRedelegationsRequest represents a request to query redelegations
-type queryRedelegationsRequest struct {
-	From string `json:"from"`
-	To   string `json:"to"`
-}
-
 func (h *Handler) handleBalanceRequest(w http.ResponseWriter, r *http.Request) {
 	var (
 		bal *state.Balance
@@ -57,24 +37,25 @@ func (h *Handler) handleBalanceRequest(w http.ResponseWriter, r *http.Request) {
 	// read and parse request
 	vars := mux.Vars(r)
 	addrStr, exists := vars[addrKey]
-	if exists {
-		// convert address to Address type
-		var addr state.AccAddress
-		addr, err = types.AccAddressFromBech32(addrStr)
+	if !exists {
+		writeError(w, http.StatusBadRequest, balanceEndpoint, errors.New("balance endpoint requires address"))
+		return
+	}
+
+	// convert address to Address type
+	var addr state.AccAddress
+	addr, err = types.AccAddressFromBech32(addrStr)
+	if err != nil {
+		// first check if it is a validator address and can be converted
+		valAddr, err := types.ValAddressFromBech32(addrStr)
 		if err != nil {
-			// first check if it is a validator address and can be converted
-			valAddr, err := types.ValAddressFromBech32(addrStr)
-			if err != nil {
-				writeError(w, http.StatusBadRequest, balanceEndpoint, ErrInvalidAddressFormat)
-				return
-			}
-			addr = valAddr.Bytes()
+			writeError(w, http.StatusBadRequest, balanceEndpoint, ErrInvalidAddressFormat)
+			return
 		}
-		bal, err = h.state.BalanceForAddress(r.Context(), state.Address{Address: addr})
-	} else {
-		logDeprecation(balanceEndpoint, "state.Balance")
-		bal, err = h.state.Balance(r.Context())
+		addr = valAddr.Bytes()
 	}
+
+	bal, err = h.state.BalanceForAddress(r.Context(), state.Address{Address: addr})
 	if err != nil {
 		writeError(w, http.StatusInternalServerError, balanceEndpoint, err)
 		return
@@ -119,157 +100,3 @@ func (h *Handler) handleSubmitTx(w http.ResponseWriter, r *http.Request) {
 		log.Errorw("writing response", "endpoint", submitTxEndpoint, "err", err)
 	}
 }
-
-func (h *Handler) handleSubmitPFB(w http.ResponseWriter, r *http.Request) {
-	logDeprecation(submitPFBEndpoint, "blob.Submit or state.SubmitPayForBlob")
-	// decode request
-	var req submitPFBRequest
-	err := json.NewDecoder(r.Body).Decode(&req)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, submitPFBEndpoint, err)
-		return
-	}
-	namespace, err := hex.DecodeString(req.NamespaceID)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, submitPFBEndpoint, err)
-		return
-	}
-	data, err := hex.DecodeString(req.Data)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, submitPFBEndpoint, err)
-		return
-	}
-	fee := types.NewInt(req.Fee)
-
-	constructedBlob, err := blob.NewBlobV0(namespace, data)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, submitPFBEndpoint, err)
-		return
-	}
-
-	// perform request
-	txResp, err := h.state.SubmitPayForBlob(r.Context(), fee, req.GasLimit, []*blob.Blob{constructedBlob})
-	if err != nil {
-		if txResp == nil {
-			// no tx data to return
-			writeError(w, http.StatusBadRequest, submitPFBEndpoint, err)
-			return
-		}
-		// if error returned, change status from 200 to 206
-		w.WriteHeader(http.StatusPartialContent)
-	}
-
-	bs, err := json.Marshal(&txResp)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, submitPFBEndpoint, err)
-		return
-	}
-
-	_, err = w.Write(bs)
-	if err != nil {
-		log.Errorw("writing response", "endpoint", submitPFBEndpoint, "err", err)
-	}
-}
-
-func (h *Handler) handleQueryDelegation(w http.ResponseWriter, r *http.Request) {
-	logDeprecation(queryDelegationEndpoint, "state.QueryDelegation")
-	// read and parse request
-	vars := mux.Vars(r)
-	addrStr, exists := vars[addrKey]
-	if !exists {
-		writeError(w, http.StatusBadRequest, queryDelegationEndpoint, ErrMissingAddress)
-		return
-	}
-
-	// convert address to Address type
-	addr, err := types.ValAddressFromBech32(addrStr)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, queryDelegationEndpoint, err)
-		return
-	}
-	delegation, err := h.state.QueryDelegation(r.Context(), addr)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, queryDelegationEndpoint, err)
-		return
-	}
-	resp, err := json.Marshal(delegation)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, queryDelegationEndpoint, err)
-		return
-	}
-	_, err = w.Write(resp)
-	if err != nil {
-		log.Errorw("writing response", "endpoint", queryDelegationEndpoint, "err", err)
-	}
-}
-
-func (h *Handler) handleQueryUnbonding(w http.ResponseWriter, r *http.Request) {
-	logDeprecation(queryUnbondingEndpoint, "state.QueryUnbonding")
-	// read and parse request
-	vars := mux.Vars(r)
-	addrStr, exists := vars[addrKey]
-	if !exists {
-		writeError(w, http.StatusBadRequest, queryUnbondingEndpoint, ErrMissingAddress)
-		return
-	}
-
-	// convert address to Address type
-	addr, err := types.ValAddressFromBech32(addrStr)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, queryUnbondingEndpoint, err)
-		return
-	}
-	unbonding, err := h.state.QueryUnbonding(r.Context(), addr)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, queryUnbondingEndpoint, err)
-		return
-	}
-	resp, err := json.Marshal(unbonding)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, queryUnbondingEndpoint, err)
-		return
-	}
-	_, err = w.Write(resp)
-	if err != nil {
-		log.Errorw("writing response", "endpoint", queryUnbondingEndpoint, "err", err)
-	}
-}
-
-func (h *Handler) handleQueryRedelegations(w http.ResponseWriter, r *http.Request) {
-	logDeprecation(queryRedelegationsEndpoint, "state.QueryRedelegations")
-	var req queryRedelegationsRequest
-	err := json.NewDecoder(r.Body).Decode(&req)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, queryRedelegationsEndpoint, err)
-		return
-	}
-	srcValAddr, err := types.ValAddressFromBech32(req.From)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, queryRedelegationsEndpoint, err)
-		return
-	}
-	dstValAddr, err := types.ValAddressFromBech32(req.To)
-	if err != nil {
-		writeError(w, http.StatusBadRequest, queryRedelegationsEndpoint, err)
-		return
-	}
-	unbonding, err := h.state.QueryRedelegations(r.Context(), srcValAddr, dstValAddr)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, queryRedelegationsEndpoint, err)
-		return
-	}
-	resp, err := json.Marshal(unbonding)
-	if err != nil {
-		writeError(w, http.StatusInternalServerError, queryRedelegationsEndpoint, err)
-		return
-	}
-	_, err = w.Write(resp)
-	if err != nil {
-		log.Errorw("writing response", "endpoint", queryRedelegationsEndpoint, "err", err)
-	}
-}
-
-func logDeprecation(endpoint string, alternative string) {
-	log.Warn("The " + endpoint + " endpoint is deprecated and will be removed in the next release. Please " +
-		"use " + alternative + " from the RPC instead.")
-}

nodebuilder/gateway/config.go

@@ -8,10 +8,9 @@ import (
 )
 
 type Config struct {
-	Address             string
-	Port                string
-	Enabled             bool
-	deprecatedEndpoints bool
+	Address string
+	Port    string
+	Enabled bool
 }
 
 func DefaultConfig() Config {

nodebuilder/gateway/constructors.go

@@ -10,15 +10,14 @@ import (
 
 // Handler constructs a new RPC Handler from the given services.
 func Handler(
-	cfg *Config,
 	state state.Module,
 	share share.Module,
 	header header.Module,
 	daser *das.DASer,
 	serv *gateway.Server,
 ) {
 	handler := gateway.NewHandler(state, share, header, daser)
-	handler.RegisterEndpoints(serv, cfg.deprecatedEndpoints)
+	handler.RegisterEndpoints(serv)
 	handler.RegisterMiddleware(serv)
 }