/
querier.go
201 lines (164 loc) · 5.59 KB
/
querier.go
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package keeper
import (
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/zenchainprotocol/zenchain-node/x/common"
abci "github.com/tendermint/tendermint/abci/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/zenchainprotocol/zenchain-node/x/farm/types"
)
const (
defaultPoolsDisplayedNum = 20
)
// NewQuerier creates a new querier for farm clients.
func NewQuerier(k Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, sdk.Error) {
switch path[0] {
case types.QueryPool:
return queryPool(ctx, req, k)
case types.QueryPools:
return queryPools(ctx, req, k)
case types.QueryEarnings:
return queryEarnings(ctx, req, k)
case types.QueryLockInfo:
return queryLockInfo(ctx, req, k)
case types.QueryParameters:
return queryParams(ctx, k)
case types.QueryWhitelist:
return queryWhitelist(ctx, k)
case types.QueryAccount:
return queryAccount(ctx, req, k)
case types.QueryAccountsLockedTo:
return queryAccountsLockedTo(ctx, req, k)
case types.QueryPoolNum:
return queryPoolNum(ctx, k)
default:
return nil, types.ErrUnknownFarmQueryType("failed. unknown farm query endpoint")
}
}
}
func queryPool(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, sdk.Error) {
var params types.QueryPoolParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, defaultQueryErrParseParams(err)
}
pool, found := k.GetFarmPool(ctx, params.PoolName)
if !found {
return nil, types.ErrNoFarmPoolFound(params.PoolName)
}
updatedPool, _ := k.CalculateAmountYieldedBetween(ctx, pool)
res, err := codec.MarshalJSONIndent(types.ModuleCdc, updatedPool)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
// support query by page && limit
func queryPools(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, sdk.Error) {
var params types.QueryPoolsParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, defaultQueryErrParseParams(err)
}
pools := k.GetFarmPools(ctx)
var updatedPools types.FarmPools
for _, pool := range pools {
updatedPool, _ := k.CalculateAmountYieldedBetween(ctx, pool)
updatedPools = append(updatedPools, updatedPool)
}
if !(params.Page == 1 && params.Limit == 0) {
start, end := client.Paginate(len(updatedPools), params.Page, params.Limit, defaultPoolsDisplayedNum)
if start < 0 || end < 0 {
start, end = 0, 0
}
updatedPools = updatedPools[start:end]
}
res, err := codec.MarshalJSONIndent(types.ModuleCdc, updatedPools)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryEarnings(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, sdk.Error) {
var params types.QueryPoolAccountParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, defaultQueryErrParseParams(err)
}
earnings, sdkErr := k.GetEarnings(ctx, params.PoolName, params.AccAddress)
if sdkErr != nil {
return nil, sdkErr
}
res, err := codec.MarshalJSONIndent(types.ModuleCdc, earnings)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryLockInfo(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, sdk.Error) {
var params types.QueryPoolAccountParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, defaultQueryErrParseParams(err)
}
lockInfo, found := k.GetLockInfo(ctx, params.AccAddress, params.PoolName)
if !found {
return nil, types.ErrNoLockInfoFound(params.AccAddress.String(), params.PoolName)
}
res, err := codec.MarshalJSONIndent(types.ModuleCdc, lockInfo)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryParams(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
params := k.GetParams(ctx)
res, err := codec.MarshalJSONIndent(types.ModuleCdc, params)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryWhitelist(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
whitelist := k.GetWhitelist(ctx)
res, err := codec.MarshalJSONIndent(types.ModuleCdc, whitelist)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryAccount(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, sdk.Error) {
var params types.QueryAccountParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, defaultQueryErrParseParams(err)
}
poolNames := k.GetFarmPoolNamesForAccount(ctx, params.AccAddress)
res, err := codec.MarshalJSONIndent(types.ModuleCdc, poolNames)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryAccountsLockedTo(ctx sdk.Context, req abci.RequestQuery, k Keeper) ([]byte, sdk.Error) {
var params types.QueryPoolParams
if err := types.ModuleCdc.UnmarshalJSON(req.Data, ¶ms); err != nil {
return nil, defaultQueryErrParseParams(err)
}
accAddrList := k.getAccountsLockedTo(ctx, params.PoolName)
res, err := codec.MarshalJSONIndent(types.ModuleCdc, accAddrList)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func queryPoolNum(ctx sdk.Context, k Keeper) ([]byte, sdk.Error) {
poolNum := k.getPoolNum(ctx)
res, err := codec.MarshalJSONIndent(types.ModuleCdc, poolNum)
if err != nil {
return nil, defaultQueryErrJSONMarshal(err)
}
return res, nil
}
func defaultQueryErrJSONMarshal(err error) sdk.Error {
return common.ErrMarshalJSONFailed(err.Error())
}
func defaultQueryErrParseParams(err error) sdk.Error {
return common.ErrUnMarshalJSONFailed(err.Error())
}