mirror of
https://github.com/0glabs/0g-chain.git
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Add partial legacy rest server (#578)
* add minimal account endpoint * add other account types * add other unchanged endpoints
This commit is contained in:
Ruaridh
GitHub
parent
890411b685
commit
0ddae8609e
@ -24,6 +24,7 @@ import (
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bankcmd "github.com/cosmos/cosmos-sdk/x/bank/client/cli"
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"github.com/kava-labs/kava/app"
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"github.com/kava-labs/kava/migrate/rest_v0_3"
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)
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func main() {
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@ -140,6 +141,8 @@ func registerRoutes(rs *lcd.RestServer) {
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client.RegisterRoutes(rs.CliCtx, rs.Mux)
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authrest.RegisterTxRoutes(rs.CliCtx, rs.Mux)
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app.ModuleBasics.RegisterRESTRoutes(rs.CliCtx, rs.Mux)
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// register legacy endpoints compatible with v0.3.x of kava
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rest_v0_3.RegisterRoutes(rs.CliCtx, rs.Mux)
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}
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// initConfig reads in and sets options from a config file (if one exists)
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276
migrate/rest_v0_3/rest.go
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276
migrate/rest_v0_3/rest.go
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@ -0,0 +1,276 @@
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package rest_v0_3
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import (
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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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"github.com/cosmos/cosmos-sdk/client/rpc"
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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/types/rest"
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"github.com/cosmos/cosmos-sdk/x/auth"
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authrest "github.com/cosmos/cosmos-sdk/x/auth/client/rest"
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authexported "github.com/cosmos/cosmos-sdk/x/auth/exported"
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"github.com/cosmos/cosmos-sdk/x/auth/types"
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vestingtypes "github.com/cosmos/cosmos-sdk/x/auth/vesting/types"
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disttypes "github.com/cosmos/cosmos-sdk/x/distribution/types"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/cosmos/cosmos-sdk/x/supply"
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v18de63auth "github.com/kava-labs/kava/migrate/v0_8/sdk/auth/v18de63"
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v18de63supply "github.com/kava-labs/kava/migrate/v0_8/sdk/supply/v18de63"
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valvesting "github.com/kava-labs/kava/x/validator-vesting"
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v0_3valvesting "github.com/kava-labs/kava/x/validator-vesting/legacy/v0_3"
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)
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func RegisterRoutes(cliCtx context.CLIContext, r *mux.Router) {
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s := r.PathPrefix("/v0_3").Subrouter()
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s.HandleFunc("/node_info", rpc.NodeInfoRequestHandlerFn(cliCtx)).Methods("GET")
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s.HandleFunc(
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"/auth/accounts/{address}", QueryAccountRequestHandlerFn(cliCtx),
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).Methods("GET")
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s.HandleFunc("/txs/{hash}", authrest.QueryTxRequestHandlerFn(cliCtx)).Methods("GET")
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// r.HandleFunc("/txs", QueryTxsRequestHandlerFn(cliCtx)).Methods("GET") // assume they don't need GET here
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s.HandleFunc("/txs", authrest.BroadcastTxRequest(cliCtx)).Methods("POST")
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// Get all delegations from a delegator
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s.HandleFunc(
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"/staking/delegators/{delegatorAddr}/delegations",
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delegatorDelegationsHandlerFn(cliCtx),
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).Methods("GET")
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// Get all unbonding delegations from a delegator
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s.HandleFunc(
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"/staking/delegators/{delegatorAddr}/unbonding_delegations",
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delegatorUnbondingDelegationsHandlerFn(cliCtx),
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).Methods("GET")
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// Get the total rewards balance from all delegations
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s.HandleFunc(
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"/distribution/delegators/{delegatorAddr}/rewards",
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delegatorRewardsHandlerFn(cliCtx, disttypes.ModuleName),
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).Methods("GET")
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}
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// QueryAccountRequestHandlerFn handle auth/accounts queries
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// This function is identical to v0.8 except the queried account is cast to the v0.3 account type so it marshals in the old format.
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func QueryAccountRequestHandlerFn(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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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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accGetter := types.NewAccountRetriever(cliCtx)
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account, height, err := accGetter.GetAccountWithHeight(addr)
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// convert v0.8 account type into old v0.3 account type so that it json marshals into the v0.3 format
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oldAccount := rollbackAccountType(account)
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// use old codec with old account interface registered
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cliCtx = cliCtx.WithCodec(makeCodecV03())
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if err != nil {
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if err := accGetter.EnsureExists(addr); err != nil {
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cliCtx = cliCtx.WithHeight(height)
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rest.PostProcessResponse(w, cliCtx, v18de63auth.BaseAccount{})
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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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cliCtx = cliCtx.WithHeight(height)
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rest.PostProcessResponse(w, cliCtx, oldAccount)
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}
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}
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func makeCodecV03() *codec.Codec {
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v0_3Codec := codec.New()
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codec.RegisterCrypto(v0_3Codec)
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v18de63auth.RegisterCodec(v0_3Codec)
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v18de63auth.RegisterCodecVesting(v0_3Codec)
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v18de63supply.RegisterCodec(v0_3Codec)
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v0_3valvesting.RegisterCodec(v0_3Codec)
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return v0_3Codec
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}
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func rollbackAccountType(newAccount authexported.Account) v18de63auth.Account {
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switch acc := newAccount.(type) {
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case *auth.BaseAccount:
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return v18de63auth.BaseAccount(*acc)
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case *vestingtypes.PeriodicVestingAccount:
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ba := v18de63auth.BaseAccount(*(acc.BaseVestingAccount.BaseAccount))
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bva := v18de63auth.BaseVestingAccount{
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BaseAccount: &ba,
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OriginalVesting: acc.BaseVestingAccount.OriginalVesting,
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DelegatedFree: acc.BaseVestingAccount.DelegatedFree,
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DelegatedVesting: acc.BaseVestingAccount.DelegatedVesting,
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EndTime: acc.BaseVestingAccount.EndTime,
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}
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var newPeriods v18de63auth.Periods
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for _, p := range acc.VestingPeriods {
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newPeriods = append(newPeriods, v18de63auth.Period(p))
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}
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pva := v18de63auth.PeriodicVestingAccount{
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BaseVestingAccount: &bva,
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StartTime: acc.StartTime,
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VestingPeriods: newPeriods,
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}
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return pva
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case *valvesting.ValidatorVestingAccount:
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ba := v18de63auth.BaseAccount(*(acc.PeriodicVestingAccount.BaseVestingAccount.BaseAccount))
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bva := v18de63auth.BaseVestingAccount{
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BaseAccount: &ba,
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OriginalVesting: acc.PeriodicVestingAccount.BaseVestingAccount.OriginalVesting,
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DelegatedFree: acc.PeriodicVestingAccount.BaseVestingAccount.DelegatedFree,
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DelegatedVesting: acc.PeriodicVestingAccount.BaseVestingAccount.DelegatedVesting,
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EndTime: acc.PeriodicVestingAccount.BaseVestingAccount.EndTime,
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}
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var newPeriods v18de63auth.Periods
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for _, p := range acc.PeriodicVestingAccount.VestingPeriods {
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newPeriods = append(newPeriods, v18de63auth.Period(p))
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}
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pva := v18de63auth.PeriodicVestingAccount{
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BaseVestingAccount: &bva,
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StartTime: acc.PeriodicVestingAccount.StartTime,
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VestingPeriods: newPeriods,
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}
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var newVestingProgress []v0_3valvesting.VestingProgress
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for _, p := range acc.VestingPeriodProgress {
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newVestingProgress = append(newVestingProgress, v0_3valvesting.VestingProgress(p))
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}
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vva := v0_3valvesting.ValidatorVestingAccount{
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PeriodicVestingAccount: &pva,
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ValidatorAddress: acc.ValidatorAddress,
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ReturnAddress: acc.ReturnAddress,
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SigningThreshold: acc.SigningThreshold,
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CurrentPeriodProgress: v0_3valvesting.CurrentPeriodProgress(acc.CurrentPeriodProgress),
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VestingPeriodProgress: newVestingProgress,
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DebtAfterFailedVesting: acc.DebtAfterFailedVesting,
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}
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return vva
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case supply.ModuleAccount:
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ba := v18de63auth.BaseAccount(*(acc.BaseAccount))
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ma := v18de63supply.ModuleAccount{
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BaseAccount: &ba,
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Name: acc.Name,
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Permissions: acc.Permissions,
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}
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return ma
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case nil:
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return acc
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default:
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panic(fmt.Errorf("unrecognized account type %+v", acc))
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}
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}
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// staking handler funcs
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// HTTP request handler to query a delegator delegations
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func delegatorDelegationsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return queryDelegator(cliCtx, fmt.Sprintf("custom/%s/%s", stakingtypes.QuerierRoute, stakingtypes.QueryDelegatorDelegations))
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}
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// HTTP request handler to query a delegator unbonding delegations
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func delegatorUnbondingDelegationsHandlerFn(cliCtx context.CLIContext) http.HandlerFunc {
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return queryDelegator(cliCtx, "custom/staking/delegatorUnbondingDelegations")
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}
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func queryDelegator(cliCtx context.CLIContext, endpoint string) 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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delegatorAddr, err := sdk.AccAddressFromBech32(bech32delegator)
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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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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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params := stakingtypes.NewQueryDelegatorParams(delegatorAddr)
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bz, err := cliCtx.Codec.MarshalJSON(params)
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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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res, height, err := cliCtx.QueryWithData(endpoint, bz)
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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 = cliCtx.WithHeight(height)
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rest.PostProcessResponse(w, cliCtx, res)
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}
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}
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// distribution handler funcs
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// HTTP request handler to query the total rewards balance from all delegations
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func delegatorRewardsHandlerFn(cliCtx context.CLIContext, queryRoute string) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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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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delegatorAddr, ok := checkDelegatorAddressVar(w, r)
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if !ok {
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return
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}
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params := disttypes.NewQueryDelegatorParams(delegatorAddr)
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bz, err := cliCtx.Codec.MarshalJSON(params)
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, fmt.Sprintf("failed to marshal params: %s", err))
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return
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}
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route := fmt.Sprintf("custom/%s/%s", queryRoute, disttypes.QueryDelegatorTotalRewards)
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res, height, err := cliCtx.QueryWithData(route, bz)
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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 = cliCtx.WithHeight(height)
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rest.PostProcessResponse(w, cliCtx, res)
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}
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}
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func checkDelegatorAddressVar(w http.ResponseWriter, r *http.Request) (sdk.AccAddress, bool) {
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addr, err := sdk.AccAddressFromBech32(mux.Vars(r)["delegatorAddr"])
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if err != nil {
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rest.WriteErrorResponse(w, http.StatusBadRequest, err.Error())
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return nil, false
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}
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return addr, true
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}
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