/
grpc_query.go
280 lines (236 loc) · 6.83 KB
/
grpc_query.go
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package keeper
import (
"context"
"strings"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"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/ethereum/go-ethereum/common"
ethermint "github.com/evmos/ethermint/types"
"github.com/evmos/evmos/v6/x/incentives/types"
)
var _ types.QueryServer = Keeper{}
// Incentives return registered incentives
func (k Keeper) Incentives(
c context.Context,
req *types.QueryIncentivesRequest,
) (*types.QueryIncentivesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
var incentives []types.Incentive
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixIncentive)
pageRes, err := query.Paginate(
store,
req.Pagination,
func(_, value []byte) error {
var incentive types.Incentive
if err := k.cdc.Unmarshal(value, &incentive); err != nil {
return err
}
incentives = append(incentives, incentive)
return nil
},
)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryIncentivesResponse{
Incentives: incentives,
Pagination: pageRes,
}, nil
}
// Incentive returns a given registered incentive
func (k Keeper) Incentive(
c context.Context,
req *types.QueryIncentiveRequest,
) (*types.QueryIncentiveResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
if strings.TrimSpace(req.Contract) == "" {
return nil, status.Error(
codes.InvalidArgument,
"contract address is empty",
)
}
// check if the contract is a hex address
if err := ethermint.ValidateAddress(req.Contract); err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
"invalid format for contract %s, should be hex ('0x...')", req.Contract,
)
}
incentive, found := k.GetIncentive(ctx, common.HexToAddress(req.Contract))
if !found {
return nil, status.Errorf(
codes.NotFound,
"incentive with contract '%s'",
req.Contract,
)
}
return &types.QueryIncentiveResponse{Incentive: incentive}, nil
}
// GasMeters return active gas meters
func (k Keeper) GasMeters(
c context.Context,
req *types.QueryGasMetersRequest,
) (*types.QueryGasMetersResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if strings.TrimSpace(req.Contract) == "" {
return nil, status.Error(
codes.InvalidArgument,
"contract address is empty",
)
}
// check if the contract is a hex address
if err := ethermint.ValidateAddress(req.Contract); err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid contract address %s", req.Contract).Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
contract := common.HexToAddress(req.Contract)
store := prefix.NewStore(ctx.KVStore(k.storeKey), append(types.KeyPrefixGasMeter, contract.Bytes()...))
gms := []types.GasMeter{}
pageRes, err := query.Paginate(
store,
req.Pagination,
func(key, value []byte) error {
participant := common.BytesToAddress(key)
cumulativeGas := sdk.BigEndianToUint64(value)
gm := types.GasMeter{
Contract: req.Contract,
Participant: participant.Hex(),
CumulativeGas: cumulativeGas,
}
gms = append(gms, gm)
return nil
},
)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryGasMetersResponse{
GasMeters: gms,
Pagination: pageRes,
}, nil
}
// GasMeter returns a given registered gas meter
func (k Keeper) GasMeter(
c context.Context,
req *types.QueryGasMeterRequest,
) (*types.QueryGasMeterResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
if strings.TrimSpace(req.Contract) == "" {
return nil, status.Error(
codes.InvalidArgument,
"contract address is empty",
)
}
// check if the contract is a hex address
if err := ethermint.ValidateAddress(req.Contract); err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid contract address %s", req.Contract).Error(),
)
}
if strings.TrimSpace(req.Participant) == "" {
return nil, status.Error(
codes.InvalidArgument,
"participant address is empty",
)
}
// check if the participant is a hex address
if err := ethermint.ValidateAddress(req.Participant); err != nil {
return nil, status.Errorf(
codes.InvalidArgument,
sdkerrors.Wrapf(sdkerrors.ErrInvalidAddress, "invalid participant address %s", req.Participant).Error(),
)
}
gm, found := k.GetGasMeter(
ctx,
common.HexToAddress(req.Contract),
common.HexToAddress(req.Participant),
)
if !found {
return nil, status.Errorf(
codes.NotFound,
"gas meter with contract '%s' and user '%s'",
req.Contract,
req.Participant,
)
}
return &types.QueryGasMeterResponse{GasMeter: gm}, nil
}
// AllocationMeters return registered allocation meters
func (k Keeper) AllocationMeters(
c context.Context,
req *types.QueryAllocationMetersRequest,
) (*types.QueryAllocationMetersResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
var allocationMeters []sdk.DecCoin
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.KeyPrefixAllocationMeter)
pageRes, err := query.Paginate(
store,
req.Pagination,
func(key, value []byte) error {
denom := string(key)
var amount sdk.Dec
if err := amount.Unmarshal(value); err != nil {
return err
}
allocationMeters = append(allocationMeters, sdk.DecCoin{Denom: denom, Amount: amount})
return nil
},
)
if err != nil {
return nil, status.Error(codes.Internal, err.Error())
}
return &types.QueryAllocationMetersResponse{
AllocationMeters: allocationMeters,
Pagination: pageRes,
}, nil
}
// AllocationMeter returns a given registered allocation meter
func (k Keeper) AllocationMeter(
c context.Context,
req *types.QueryAllocationMeterRequest,
) (*types.QueryAllocationMeterResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
allocationMeter, found := k.GetAllocationMeter(ctx, req.Denom)
if !found {
return nil, status.Errorf(
codes.NotFound,
"allocationMeter with denomination '%s'",
req.Denom,
)
}
return &types.QueryAllocationMeterResponse{AllocationMeter: allocationMeter}, nil
}
// Params return hub contract param
func (k Keeper) Params(
c context.Context,
_ *types.QueryParamsRequest,
) (*types.QueryParamsResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
params := k.GetParams(ctx)
return &types.QueryParamsResponse{Params: params}, nil
}