68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
package rest
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import (
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"encoding/hex"
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"encoding/json"
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"fmt"
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"net/http"
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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/wire"
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)
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type commander struct {
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storeName string
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cdc *wire.Codec
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decoder sdk.AccountDecoder
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}
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func QueryAccountRequestHandler(storeName string, cdc *wire.Codec, decoder sdk.AccountDecoder) func(http.ResponseWriter, *http.Request) {
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c := commander{storeName, cdc, decoder}
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return func(w http.ResponseWriter, r *http.Request) {
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vars := mux.Vars(r)
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addr := vars["address"]
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bz, err := hex.DecodeString(addr)
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if err != nil {
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w.WriteHeader(http.StatusBadRequest)
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w.Write([]byte(err.Error()))
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return
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}
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key := sdk.Address(bz)
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res, err := context.NewCoreContextFromViper().Query(key, c.storeName)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte(fmt.Sprintf("Could't query account. Error: %s", err.Error())))
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return
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}
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// the query will return empty if there is no data for this account
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if len(res) == 0 {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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// decode the value
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account, err := c.decoder(res)
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte(fmt.Sprintf("Could't parse query result. Result: %s. Error: %s", res, err.Error())))
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return
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}
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// print out whole account
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output, err := json.MarshalIndent(account, "", " ")
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte(fmt.Sprintf("Could't marshall query result. Error: %s", err.Error())))
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return
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}
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w.Write(output)
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}
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}
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