/
grpc_query.go
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/
grpc_query.go
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package keeper
import (
"context"
sdk "github.com/cosmos/cosmos-sdk/types"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/umee-network/umee/v2/x/oracle/types"
)
var _ types.QueryServer = querier{}
// Querier implements a QueryServer for the x/oracle module.
type querier struct {
Keeper
}
// NewQuerier returns an implementation of the oracle QueryServer interface
// for the provided Keeper.
func NewQuerier(keeper Keeper) types.QueryServer {
return &querier{Keeper: keeper}
}
// Params queries params of x/oracle module.
func (q querier) Params(
goCtx context.Context,
req *types.QueryParamsRequest,
) (*types.QueryParamsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
params := q.GetParams(ctx)
return &types.QueryParamsResponse{Params: params}, nil
}
// ExchangeRates queries exchange rates of all denoms, or, if specified, returns
// a single denom.
func (q querier) ExchangeRates(
goCtx context.Context,
req *types.QueryExchangeRatesRequest,
) (*types.QueryExchangeRatesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
var exchangeRates sdk.DecCoins
if len(req.Denom) > 0 {
exchangeRate, err := q.GetExchangeRate(ctx, req.Denom)
if err != nil {
return nil, err
}
exchangeRates = exchangeRates.Add(sdk.NewDecCoinFromDec(req.Denom, exchangeRate))
} else {
q.IterateExchangeRates(ctx, func(denom string, rate sdk.Dec) (stop bool) {
exchangeRates = exchangeRates.Add(sdk.NewDecCoinFromDec(denom, rate))
return false
})
}
return &types.QueryExchangeRatesResponse{ExchangeRates: exchangeRates}, nil
}
// ActiveExchangeRates queries all denoms for which exchange rates exist.
func (q querier) ActiveExchangeRates(
goCtx context.Context,
req *types.QueryActiveExchangeRatesRequest,
) (*types.QueryActiveExchangeRatesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
denoms := []string{}
q.IterateExchangeRates(ctx, func(denom string, _ sdk.Dec) (stop bool) {
denoms = append(denoms, denom)
return false
})
return &types.QueryActiveExchangeRatesResponse{ActiveRates: denoms}, nil
}
// FeederDelegation queries the account address to which the validator operator
// delegated oracle vote rights.
func (q querier) FeederDelegation(
goCtx context.Context,
req *types.QueryFeederDelegationRequest,
) (*types.QueryFeederDelegationResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
valAddr, err := sdk.ValAddressFromBech32(req.ValidatorAddr)
if err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
ctx := sdk.UnwrapSDKContext(goCtx)
feederAddr, err := q.GetFeederDelegation(ctx, valAddr)
if err != nil {
return nil, err
}
return &types.QueryFeederDelegationResponse{
FeederAddr: feederAddr.String(),
}, nil
}
// MissCounter queries oracle miss counter of a validator.
func (q querier) MissCounter(
goCtx context.Context,
req *types.QueryMissCounterRequest,
) (*types.QueryMissCounterResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
valAddr, err := sdk.ValAddressFromBech32(req.ValidatorAddr)
if err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
ctx := sdk.UnwrapSDKContext(goCtx)
return &types.QueryMissCounterResponse{
MissCounter: q.GetMissCounter(ctx, valAddr),
}, nil
}
// AggregatePrevote queries an aggregate prevote of a validator.
func (q querier) AggregatePrevote(
goCtx context.Context,
req *types.QueryAggregatePrevoteRequest,
) (*types.QueryAggregatePrevoteResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
valAddr, err := sdk.ValAddressFromBech32(req.ValidatorAddr)
if err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
ctx := sdk.UnwrapSDKContext(goCtx)
prevote, err := q.GetAggregateExchangeRatePrevote(ctx, valAddr)
if err != nil {
return nil, err
}
return &types.QueryAggregatePrevoteResponse{
AggregatePrevote: prevote,
}, nil
}
// AggregatePrevotes queries aggregate prevotes of all validators
func (q querier) AggregatePrevotes(
goCtx context.Context,
req *types.QueryAggregatePrevotesRequest,
) (*types.QueryAggregatePrevotesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
var prevotes []types.AggregateExchangeRatePrevote
q.IterateAggregateExchangeRatePrevotes(ctx, func(_ sdk.ValAddress, prevote types.AggregateExchangeRatePrevote) bool {
prevotes = append(prevotes, prevote)
return false
})
return &types.QueryAggregatePrevotesResponse{
AggregatePrevotes: prevotes,
}, nil
}
// AggregateVote queries an aggregate vote of a validator
func (q querier) AggregateVote(
goCtx context.Context,
req *types.QueryAggregateVoteRequest,
) (*types.QueryAggregateVoteResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
valAddr, err := sdk.ValAddressFromBech32(req.ValidatorAddr)
if err != nil {
return nil, status.Error(codes.InvalidArgument, err.Error())
}
ctx := sdk.UnwrapSDKContext(goCtx)
vote, err := q.GetAggregateExchangeRateVote(ctx, valAddr)
if err != nil {
return nil, err
}
return &types.QueryAggregateVoteResponse{
AggregateVote: vote,
}, nil
}
// AggregateVotes queries aggregate votes of all validators
func (q querier) AggregateVotes(
goCtx context.Context,
req *types.QueryAggregateVotesRequest,
) (*types.QueryAggregateVotesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(goCtx)
var votes []types.AggregateExchangeRateVote
q.IterateAggregateExchangeRateVotes(ctx, func(_ sdk.ValAddress, vote types.AggregateExchangeRateVote) bool {
votes = append(votes, vote)
return false
})
return &types.QueryAggregateVotesResponse{
AggregateVotes: votes,
}, nil
}