139 lines
3.5 KiB
Go
139 lines
3.5 KiB
Go
package rest
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import (
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"fmt"
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"net/http"
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"strings"
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"github.com/gorilla/mux"
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"github.com/cosmos/cosmos-sdk/client/context"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/rest"
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"github.com/cosmos/cosmos-sdk/x/auth/client/utils"
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"github.com/cosmos/cosmos-sdk/x/auth/types"
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)
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// AccountWithHeight wraps the embedded Account with the height it was queried
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// at.
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type AccountWithHeight struct {
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types.Account `json:"account"`
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Height int64 `json:"height"`
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}
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// query accountREST Handler
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func QueryAccountRequestHandlerFn(
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storeName string, decoder types.AccountDecoder, cliCtx context.CLIContext,
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) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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bech32addr := vars["address"]
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addr, err := sdk.AccAddressFromBech32(bech32addr)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
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if !ok {
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return
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}
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res, height, err := cliCtx.QueryStore(types.AddressStoreKey(addr), storeName)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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// the query will return empty account if there is no data
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if len(res) == 0 {
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rest.PostProcessResponse(w, cliCtx, types.BaseAccount{})
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return
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}
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// decode the value
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account, err := decoder(res)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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rest.PostProcessResponse(w, cliCtx, AccountWithHeight{account, height})
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}
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}
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// QueryTxsByTagsRequestHandlerFn implements a REST handler that searches for
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// transactions by tags.
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func QueryTxsByTagsRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var (
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tags []string
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txs []sdk.TxResponse
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page, limit int
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)
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err := r.ParseForm()
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest,
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sdk.AppendMsgToErr("could not parse query parameters", err.Error()))
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return
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}
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cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
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if !ok {
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return
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}
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if len(r.Form) == 0 {
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rest.PostProcessResponse(w, cliCtx, txs)
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return
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}
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tags, page, limit, err = rest.ParseHTTPArgs(r)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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searchResult, err := utils.QueryTxsByTags(cliCtx, tags, page, limit)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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rest.PostProcessResponse(w, cliCtx, searchResult)
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}
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}
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// QueryTxRequestHandlerFn implements a REST handler that queries a transaction
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// by hash in a committed block.
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func QueryTxRequestHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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hashHexStr := vars["hash"]
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cliCtx, ok := rest.ParseQueryHeightOrReturnBadRequest(w, cliCtx, r)
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if !ok {
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return
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}
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output, err := utils.QueryTx(cliCtx, hashHexStr)
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if err != nil {
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if strings.Contains(err.Error(), hashHexStr) {
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rest.WriteErrorResponse(w, http.StatusNotFound, err.Error())
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return
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}
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rest.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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if output.Empty() {
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rest.WriteErrorResponse(w, http.StatusNotFound, fmt.Sprintf("no transaction found with hash %s", hashHexStr))
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}
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rest.PostProcessResponse(w, cliCtx, output)
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}
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}
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