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grpc_query.go
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grpc_query.go
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package keeper
import (
"context"
"strconv"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/query"
"github.com/crescent-network/crescent/v5/x/lpfarm/types"
)
// Querier is used as Keeper will have duplicate methods if used directly,
// and gRPC names take precedence over keeper.
type Querier struct {
Keeper
}
var _ types.QueryServer = Querier{}
// Params queries the parameters of the module.
func (k Querier) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
var params types.Params
k.Keeper.paramSpace.GetParamSet(ctx, ¶ms)
return &types.QueryParamsResponse{Params: params}, nil
}
func (k Querier) Plans(c context.Context, req *types.QueryPlansRequest) (*types.QueryPlansResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.FarmingPoolAddress != "" {
if _, err := sdk.AccAddressFromBech32(req.FarmingPoolAddress); err != nil {
return nil, err
}
}
if req.TerminationAddress != "" {
if _, err := sdk.AccAddressFromBech32(req.TerminationAddress); err != nil {
return nil, err
}
}
var isPrivate bool
if req.IsPrivate != "" {
var err error
isPrivate, err = strconv.ParseBool(req.IsPrivate)
if err != nil {
return nil, err
}
}
var isTerminated bool
if req.IsTerminated != "" {
var err error
isTerminated, err = strconv.ParseBool(req.IsTerminated)
if err != nil {
return nil, err
}
}
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
planStore := prefix.NewStore(store, types.PlanKeyPrefix)
var plans []types.Plan
pageRes, err := query.FilteredPaginate(planStore, req.Pagination, func(key, value []byte, accumulate bool) (bool, error) {
var plan types.Plan
if err := k.cdc.Unmarshal(value, &plan); err != nil {
return false, err
}
if req.FarmingPoolAddress != "" && plan.FarmingPoolAddress != req.FarmingPoolAddress {
return false, nil
}
if req.TerminationAddress != "" && plan.TerminationAddress != req.TerminationAddress {
return false, nil
}
if req.IsPrivate != "" && plan.IsPrivate != isPrivate {
return false, nil
}
if req.IsTerminated != "" && plan.IsTerminated != isTerminated {
return false, nil
}
if accumulate {
plans = append(plans, plan)
}
return true, nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryPlansResponse{Plans: plans, Pagination: pageRes}, nil
}
func (k Querier) Plan(c context.Context, req *types.QueryPlanRequest) (*types.QueryPlanResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
plan, found := k.GetPlan(ctx, req.PlanId)
if !found {
return nil, status.Error(codes.NotFound, "plan not found")
}
return &types.QueryPlanResponse{Plan: plan}, nil
}
func (k Querier) Farm(c context.Context, req *types.QueryFarmRequest) (*types.QueryFarmResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if err := sdk.ValidateDenom(req.Denom); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid denom: %v", err)
}
ctx := sdk.UnwrapSDKContext(c)
farm, found := k.GetFarm(ctx, req.Denom)
if !found {
return nil, status.Error(codes.NotFound, "farm not found")
}
return &types.QueryFarmResponse{Farm: farm}, nil
}
func (k Querier) Positions(c context.Context, req *types.QueryPositionsRequest) (*types.QueryPositionsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
farmerAddr, err := sdk.AccAddressFromBech32(req.Farmer)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid farmer address: %v", err)
}
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
keyPrefix := types.GetPositionsByFarmerKeyPrefix(farmerAddr)
positionStore := prefix.NewStore(store, keyPrefix)
var positions []types.Position
pageRes, err := query.Paginate(positionStore, req.Pagination, func(key, value []byte) error {
var position types.Position
if err := k.cdc.Unmarshal(value, &position); err != nil {
return err
}
positions = append(positions, position)
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryPositionsResponse{Positions: positions, Pagination: pageRes}, nil
}
func (k Querier) Position(c context.Context, req *types.QueryPositionRequest) (*types.QueryPositionResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
farmerAddr, err := sdk.AccAddressFromBech32(req.Farmer)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid farmer address: %v", err)
}
if err := sdk.ValidateDenom(req.Denom); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid denom: %v", err)
}
ctx := sdk.UnwrapSDKContext(c)
position, found := k.GetPosition(ctx, farmerAddr, req.Denom)
if !found {
return nil, status.Error(codes.NotFound, "position not found")
}
return &types.QueryPositionResponse{Position: position}, nil
}
func (k Querier) HistoricalRewards(c context.Context, req *types.QueryHistoricalRewardsRequest) (*types.QueryHistoricalRewardsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if err := sdk.ValidateDenom(req.Denom); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid denom: %v", err)
}
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
keyPrefix := types.GetHistoricalRewardsByDenomKeyPrefix(req.Denom)
histStore := prefix.NewStore(store, keyPrefix)
var hists []types.HistoricalRewardsResponse
pageRes, err := query.Paginate(histStore, req.Pagination, func(key, value []byte) error {
_, period := types.ParseHistoricalRewardsKey(append(keyPrefix, key...))
var hist types.HistoricalRewards
if err := k.cdc.Unmarshal(value, &hist); err != nil {
return err
}
hists = append(hists, types.HistoricalRewardsResponse{
Period: period,
CumulativeUnitRewards: hist.CumulativeUnitRewards,
ReferenceCount: hist.ReferenceCount,
})
return nil
})
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryHistoricalRewardsResponse{HistoricalRewards: hists, Pagination: pageRes}, nil
}
func (k Querier) TotalRewards(c context.Context, req *types.QueryTotalRewardsRequest) (*types.QueryTotalRewardsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
farmerAddr, err := sdk.AccAddressFromBech32(req.Farmer)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid farmer address: %v", err)
}
ctx := sdk.UnwrapSDKContext(c)
store := ctx.KVStore(k.storeKey)
iter := sdk.KVStorePrefixIterator(store, types.GetPositionsByFarmerKeyPrefix(farmerAddr))
defer iter.Close()
rewards := sdk.DecCoins{}
for ; iter.Valid(); iter.Next() {
_, denom := types.ParsePositionKey(iter.Key())
rewards = rewards.Add(k.Keeper.Rewards(ctx, farmerAddr, denom)...)
}
return &types.QueryTotalRewardsResponse{Rewards: rewards}, nil
}
func (k Querier) Rewards(c context.Context, req *types.QueryRewardsRequest) (*types.QueryRewardsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
farmerAddr, err := sdk.AccAddressFromBech32(req.Farmer)
if err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid farmer address: %v", err)
}
if err := sdk.ValidateDenom(req.Denom); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "invalid denom: %v", err)
}
ctx := sdk.UnwrapSDKContext(c)
_, found := k.GetFarm(ctx, req.Denom)
if !found {
return &types.QueryRewardsResponse{Rewards: nil}, nil
}
return &types.QueryRewardsResponse{
Rewards: k.Keeper.Rewards(ctx, farmerAddr, req.Denom),
}, nil
}