/
grpc_query.go
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/
grpc_query.go
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package keeper
import (
"context"
"encoding/json"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
errorsmod "cosmossdk.io/errors"
"github.com/cosmos/cosmos-sdk/store/prefix"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/cosmos/cosmos-sdk/types/query"
"github.com/osmosis-labs/osmosis/v16/x/incentives/types"
lockuptypes "github.com/osmosis-labs/osmosis/v16/x/lockup/types"
)
var _ types.QueryServer = Querier{}
// Querier defines a wrapper around the incentives module keeper providing gRPC method handlers.
type Querier struct {
Keeper
}
// NewQuerier creates a new Querier struct.
func NewQuerier(k Keeper) Querier {
return Querier{Keeper: k}
}
// ModuleToDistributeCoins returns coins that are going to be distributed.
func (q Querier) ModuleToDistributeCoins(goCtx context.Context, _ *types.ModuleToDistributeCoinsRequest) (*types.ModuleToDistributeCoinsResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
return &types.ModuleToDistributeCoinsResponse{Coins: q.Keeper.GetModuleToDistributeCoins(ctx)}, nil
}
// GaugeByID takes a gaugeID and returns its respective gauge.
func (q Querier) GaugeByID(goCtx context.Context, req *types.GaugeByIDRequest) (*types.GaugeByIDResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
gauge, err := q.Keeper.GetGaugeByID(ctx, req.Id)
if err != nil {
return nil, err
}
return &types.GaugeByIDResponse{Gauge: gauge}, nil
}
// Gauges returns all upcoming and active gauges.
func (q Querier) Gauges(goCtx context.Context, req *types.GaugesRequest) (*types.GaugesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
pageRes, gauges, err := q.filterByPrefixAndDenom(ctx, types.KeyPrefixGauges, "", req.Pagination)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.GaugesResponse{Data: gauges, Pagination: pageRes}, nil
}
// ActiveGauges returns all active gauges.
func (q Querier) ActiveGauges(goCtx context.Context, req *types.ActiveGaugesRequest) (*types.ActiveGaugesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
pageRes, gauges, err := q.filterByPrefixAndDenom(ctx, types.KeyPrefixActiveGauges, "", req.Pagination)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.ActiveGaugesResponse{Data: gauges, Pagination: pageRes}, nil
}
// ActiveGaugesPerDenom returns all active gauges for the specified denom.
func (q Querier) ActiveGaugesPerDenom(goCtx context.Context, req *types.ActiveGaugesPerDenomRequest) (*types.ActiveGaugesPerDenomResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
pageRes, gauges, err := q.filterByPrefixAndDenom(ctx, types.KeyPrefixActiveGauges, req.Denom, req.Pagination)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.ActiveGaugesPerDenomResponse{Data: gauges, Pagination: pageRes}, nil
}
// UpcomingGauges returns all upcoming gauges.
func (q Querier) UpcomingGauges(goCtx context.Context, req *types.UpcomingGaugesRequest) (*types.UpcomingGaugesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
pageRes, gauges, err := q.filterByPrefixAndDenom(ctx, types.KeyPrefixUpcomingGauges, "", req.Pagination)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.UpcomingGaugesResponse{Data: gauges, Pagination: pageRes}, nil
}
// UpcomingGaugesPerDenom returns all upcoming gauges for the specified denom.
func (q Querier) UpcomingGaugesPerDenom(goCtx context.Context, req *types.UpcomingGaugesPerDenomRequest) (*types.UpcomingGaugesPerDenomResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.Denom == "" {
return nil, status.Error(codes.InvalidArgument, "invalid denom")
}
pageRes, gauges, err := q.filterByPrefixAndDenom(ctx, types.KeyPrefixUpcomingGauges, req.Denom, req.Pagination)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.UpcomingGaugesPerDenomResponse{UpcomingGauges: gauges, Pagination: pageRes}, nil
}
// RewardsEst returns rewards estimation at a future specific time (by epoch).
func (q Querier) RewardsEst(goCtx context.Context, req *types.RewardsEstRequest) (*types.RewardsEstResponse, error) {
var ownerAddress sdk.AccAddress
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(req.Owner) == 0 && len(req.LockIds) == 0 {
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "empty owner")
}
ctx := sdk.UnwrapSDKContext(goCtx)
diff := req.EndEpoch - q.Keeper.GetEpochInfo(ctx).CurrentEpoch
if diff > 365 {
return nil, errorsmod.Wrap(sdkerrors.ErrInvalidRequest, "end epoch out of ranges")
}
if len(req.Owner) != 0 {
owner, err := sdk.AccAddressFromBech32(req.Owner)
if err != nil {
return nil, err
}
ownerAddress = owner
}
locks := make([]lockuptypes.PeriodLock, 0, len(req.LockIds))
for _, lockId := range req.LockIds {
lock, err := q.Keeper.lk.GetLockByID(ctx, lockId)
if err != nil {
return nil, err
}
locks = append(locks, *lock)
}
return &types.RewardsEstResponse{Coins: q.Keeper.GetRewardsEst(ctx, ownerAddress, locks, req.EndEpoch)}, nil
}
// LockableDurations returns all of the allowed lockable durations on chain.
func (q Querier) LockableDurations(ctx context.Context, _ *types.QueryLockableDurationsRequest) (*types.QueryLockableDurationsResponse, error) {
sdkCtx := sdk.UnwrapSDKContext(ctx)
return &types.QueryLockableDurationsResponse{LockableDurations: q.Keeper.GetLockableDurations(sdkCtx)}, nil
}
// getGaugeFromIDJsonBytes returns gauges from the json bytes of gaugeIDs.
func (q Querier) getGaugeFromIDJsonBytes(ctx sdk.Context, refValue []byte) ([]types.Gauge, error) {
gauges := []types.Gauge{}
gaugeIDs := []uint64{}
err := json.Unmarshal(refValue, &gaugeIDs)
if err != nil {
return gauges, err
}
for _, gaugeID := range gaugeIDs {
gauge, err := q.Keeper.GetGaugeByID(ctx, gaugeID)
if err != nil {
return []types.Gauge{}, err
}
gauges = append(gauges, *gauge)
}
return gauges, nil
}
// filterByPrefixAndDenom filters gauges based on a given key prefix and denom
func (q Querier) filterByPrefixAndDenom(ctx sdk.Context, prefixType []byte, denom string, pagination *query.PageRequest) (*query.PageResponse, []types.Gauge, error) {
gauges := []types.Gauge{}
store := ctx.KVStore(q.Keeper.storeKey)
valStore := prefix.NewStore(store, prefixType)
pageRes, err := query.FilteredPaginate(valStore, pagination, func(key []byte, value []byte, accumulate bool) (bool, error) {
// this may return multiple gauges at once if two gauges start at the same time.
// for now this is treated as an edge case that is not of importance
newGauges, err := q.getGaugeFromIDJsonBytes(ctx, value)
if err != nil {
return false, err
}
if accumulate {
if denom != "" {
for _, gauge := range newGauges {
if gauge.DistributeTo.Denom != denom {
return false, nil
}
gauges = append(gauges, gauge)
}
} else {
gauges = append(gauges, newGauges...)
}
}
return true, nil
})
return pageRes, gauges, err
}