435 lines
12 KiB
Go
435 lines
12 KiB
Go
package rest
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import (
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"net/http"
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"strings"
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"github.com/cosmos/cosmos-sdk/client/context"
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"github.com/cosmos/cosmos-sdk/client/tx"
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"github.com/cosmos/cosmos-sdk/client/utils"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/stake"
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"github.com/cosmos/cosmos-sdk/x/stake/tags"
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"github.com/gorilla/mux"
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)
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const storeName = "stake"
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func registerQueryRoutes(cliCtx context.CLIContext, r *mux.Router, cdc *codec.Codec) {
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// Get all delegations (delegation, undelegation and redelegation) from a delegator
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r.HandleFunc(
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"/stake/delegators/{delegatorAddr}",
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delegatorHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Get all staking txs (i.e msgs) from a delegator
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r.HandleFunc(
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"/stake/delegators/{delegatorAddr}/txs",
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delegatorTxsHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Query all validators that a delegator is bonded to
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r.HandleFunc(
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"/stake/delegators/{delegatorAddr}/validators",
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delegatorValidatorsHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Query a validator that a delegator is bonded to
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r.HandleFunc(
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"/stake/delegators/{delegatorAddr}/validators/{validatorAddr}",
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delegatorValidatorHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Query a delegation between a delegator and a validator
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r.HandleFunc(
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"/stake/delegators/{delegatorAddr}/delegations/{validatorAddr}",
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delegationHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Query all unbonding delegations between a delegator and a validator
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r.HandleFunc(
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"/stake/delegators/{delegatorAddr}/unbonding_delegations/{validatorAddr}",
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unbondingDelegationHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Get all validators
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r.HandleFunc(
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"/stake/validators",
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validatorsHandlerFn(cliCtx),
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).Methods("GET")
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// Get a single validator info
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r.HandleFunc(
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"/stake/validators/{addr}",
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validatorHandlerFn(cliCtx, cdc),
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).Methods("GET")
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// Get the current state of the staking pool
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r.HandleFunc(
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"/stake/pool",
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poolHandlerFn(cliCtx),
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).Methods("GET")
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// Get the current staking parameter values
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r.HandleFunc(
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"/stake/parameters",
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paramsHandlerFn(cliCtx),
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).Methods("GET")
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}
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// HTTP request handler to query a delegator delegations
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func delegatorHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) 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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bech32delegator := vars["delegatorAddr"]
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w.Header().Set("Content-Type", "application/json")
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delegatorAddr, err := sdk.AccAddressFromBech32(bech32delegator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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params := stake.QueryDelegatorParams{
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DelegatorAddr: delegatorAddr,
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}
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bz, err := cdc.MarshalJSON(params)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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res, err := cliCtx.QueryWithData("custom/stake/delegator", bz)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to query all staking txs (msgs) from a delegator
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func delegatorTxsHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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var output []byte
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var typesQuerySlice []string
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vars := mux.Vars(r)
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delegatorAddr := vars["delegatorAddr"]
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w.Header().Set("Content-Type", "application/json")
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_, err := sdk.AccAddressFromBech32(delegatorAddr)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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node, err := cliCtx.GetNode()
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if err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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w.Write([]byte(err.Error()))
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return
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}
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// Get values from query
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typesQuery := r.URL.Query().Get("type")
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trimmedQuery := strings.TrimSpace(typesQuery)
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if len(trimmedQuery) != 0 {
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typesQuerySlice = strings.Split(trimmedQuery, " ")
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}
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noQuery := len(typesQuerySlice) == 0
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isBondTx := contains(typesQuerySlice, "bond")
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isUnbondTx := contains(typesQuerySlice, "unbond")
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isRedTx := contains(typesQuerySlice, "redelegate")
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var txs = []tx.Info{}
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var actions []string
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switch {
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case isBondTx:
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actions = append(actions, string(tags.ActionDelegate))
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case isUnbondTx:
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actions = append(actions, string(tags.ActionBeginUnbonding))
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actions = append(actions, string(tags.ActionCompleteUnbonding))
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case isRedTx:
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actions = append(actions, string(tags.ActionBeginRedelegation))
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actions = append(actions, string(tags.ActionCompleteRedelegation))
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case noQuery:
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actions = append(actions, string(tags.ActionDelegate))
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actions = append(actions, string(tags.ActionBeginUnbonding))
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actions = append(actions, string(tags.ActionCompleteUnbonding))
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actions = append(actions, string(tags.ActionBeginRedelegation))
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actions = append(actions, string(tags.ActionCompleteRedelegation))
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default:
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w.WriteHeader(http.StatusNoContent)
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return
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}
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for _, action := range actions {
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foundTxs, errQuery := queryTxs(node, cliCtx, cdc, action, delegatorAddr)
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if errQuery != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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}
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txs = append(txs, foundTxs...)
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}
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output, err = cdc.MarshalJSON(txs)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, 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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// HTTP request handler to query an unbonding-delegation
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func unbondingDelegationHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) 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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bech32delegator := vars["delegatorAddr"]
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bech32validator := vars["validatorAddr"]
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w.Header().Set("Content-Type", "application/json")
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delegatorAddr, err := sdk.AccAddressFromBech32(bech32delegator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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validatorAddr, err := sdk.ValAddressFromBech32(bech32validator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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params := stake.QueryBondsParams{
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DelegatorAddr: delegatorAddr,
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ValidatorAddr: validatorAddr,
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}
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bz, err := cdc.MarshalJSON(params)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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res, err := cliCtx.QueryWithData("custom/stake/unbondingDelegation", bz)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to query a bonded validator
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func delegationHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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// read parameters
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vars := mux.Vars(r)
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bech32delegator := vars["delegatorAddr"]
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bech32validator := vars["validatorAddr"]
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w.Header().Set("Content-Type", "application/json")
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delegatorAddr, err := sdk.AccAddressFromBech32(bech32delegator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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validatorAddr, err := sdk.ValAddressFromBech32(bech32validator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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params := stake.QueryBondsParams{
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DelegatorAddr: delegatorAddr,
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ValidatorAddr: validatorAddr,
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}
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bz, err := cdc.MarshalJSON(params)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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res, err := cliCtx.QueryWithData("custom/stake/delegation", bz)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to query all delegator bonded validators
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func delegatorValidatorsHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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// read parameters
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vars := mux.Vars(r)
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bech32delegator := vars["delegatorAddr"]
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w.Header().Set("Content-Type", "application/json")
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delegatorAddr, err := sdk.AccAddressFromBech32(bech32delegator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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params := stake.QueryDelegatorParams{
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DelegatorAddr: delegatorAddr,
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}
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bz, err := cdc.MarshalJSON(params)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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res, err := cliCtx.QueryWithData("custom/stake/delegatorValidators", bz)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to get information from a currently bonded validator
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func delegatorValidatorHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) 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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bech32delegator := vars["delegatorAddr"]
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bech32validator := vars["validatorAddr"]
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w.Header().Set("Content-Type", "application/json")
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delegatorAddr, err := sdk.AccAddressFromBech32(bech32delegator)
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validatorAddr, err := sdk.ValAddressFromBech32(bech32validator)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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params := stake.QueryBondsParams{
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DelegatorAddr: delegatorAddr,
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ValidatorAddr: validatorAddr,
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}
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bz, err := cdc.MarshalJSON(params)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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res, err := cliCtx.QueryWithData("custom/stake/delegatorValidator", bz)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to query list of validators
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func validatorsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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res, err := cliCtx.QueryWithData("custom/stake/validators", nil)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Header().Set("Content-Type", "application/json")
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w.Write(res)
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}
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}
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// HTTP request handler to query the validator information from a given validator address
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func validatorHandlerFn(cliCtx context.CLIContext, cdc *codec.Codec) 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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bech32validatorAddr := vars["addr"]
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w.Header().Set("Content-Type", "application/json")
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validatorAddr, err := sdk.ValAddressFromBech32(bech32validatorAddr)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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params := stake.QueryValidatorParams{
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ValidatorAddr: validatorAddr,
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}
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bz, err := cdc.MarshalJSON(params)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return
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}
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res, err := cliCtx.QueryWithData("custom/stake/validator", bz)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to query the pool information
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func poolHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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res, err := cliCtx.QueryWithData("custom/stake/pool", nil)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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// HTTP request handler to query the staking params values
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func paramsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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res, err := cliCtx.QueryWithData("custom/stake/parameters", nil)
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if err != nil {
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utils.WriteErrorResponse(w, http.StatusInternalServerError, err.Error())
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return
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}
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w.Write(res)
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}
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}
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