95 lines
2.7 KiB
Go
95 lines
2.7 KiB
Go
package keeper
|
|
|
|
import (
|
|
"context"
|
|
|
|
"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/cosmos/cosmos-sdk/x/bank/types"
|
|
)
|
|
|
|
var _ types.QueryServer = BaseKeeper{}
|
|
|
|
// Balance implements the Query/Balance gRPC method
|
|
func (q BaseKeeper) Balance(c context.Context, req *types.QueryBalanceRequest) (*types.QueryBalanceResponse, error) {
|
|
if req == nil {
|
|
return nil, status.Errorf(codes.InvalidArgument, "empty request")
|
|
}
|
|
|
|
if len(req.Address) == 0 {
|
|
return nil, status.Errorf(codes.InvalidArgument, "invalid address")
|
|
}
|
|
|
|
if req.Denom == "" {
|
|
return nil, status.Errorf(codes.InvalidArgument, "invalid denom")
|
|
}
|
|
|
|
ctx := sdk.UnwrapSDKContext(c)
|
|
balance := q.GetBalance(ctx, req.Address, req.Denom)
|
|
|
|
return &types.QueryBalanceResponse{Balance: &balance}, nil
|
|
}
|
|
|
|
// AllBalances implements the Query/AllBalances gRPC method
|
|
func (q BaseKeeper) AllBalances(c context.Context, req *types.QueryAllBalancesRequest) (*types.QueryAllBalancesResponse, error) {
|
|
if req == nil {
|
|
return nil, status.Errorf(codes.InvalidArgument, "empty request")
|
|
}
|
|
|
|
addr := req.Address
|
|
if len(addr) == 0 {
|
|
return nil, status.Errorf(codes.InvalidArgument, "invalid address")
|
|
}
|
|
|
|
ctx := sdk.UnwrapSDKContext(c)
|
|
|
|
balances := sdk.NewCoins()
|
|
store := ctx.KVStore(q.storeKey)
|
|
balancesStore := prefix.NewStore(store, types.BalancesPrefix)
|
|
accountStore := prefix.NewStore(balancesStore, addr.Bytes())
|
|
|
|
res, err := query.Paginate(accountStore, req.Req, func(key []byte, value []byte) error {
|
|
var result sdk.Coin
|
|
err := q.cdc.UnmarshalBinaryBare(value, &result)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
balances = append(balances, result)
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
return &types.QueryAllBalancesResponse{}, err
|
|
}
|
|
|
|
return &types.QueryAllBalancesResponse{Balances: balances, Res: res}, nil
|
|
}
|
|
|
|
// TotalSupply implements the Query/TotalSupply gRPC method
|
|
func (q BaseKeeper) TotalSupply(c context.Context, _ *types.QueryTotalSupplyRequest) (*types.QueryTotalSupplyResponse, error) {
|
|
ctx := sdk.UnwrapSDKContext(c)
|
|
totalSupply := q.GetSupply(ctx).GetTotal()
|
|
|
|
return &types.QueryTotalSupplyResponse{Supply: totalSupply}, nil
|
|
}
|
|
|
|
// SupplyOf implements the Query/SupplyOf gRPC method
|
|
func (q BaseKeeper) SupplyOf(c context.Context, req *types.QuerySupplyOfRequest) (*types.QuerySupplyOfResponse, error) {
|
|
if req == nil {
|
|
return nil, status.Errorf(codes.InvalidArgument, "empty request")
|
|
}
|
|
|
|
if req.Denom == "" {
|
|
return nil, status.Errorf(codes.InvalidArgument, "invalid denom")
|
|
}
|
|
|
|
ctx := sdk.UnwrapSDKContext(c)
|
|
supply := q.GetSupply(ctx).GetTotal().AmountOf(req.Denom)
|
|
|
|
return &types.QuerySupplyOfResponse{Amount: sdk.NewCoin(req.Denom, supply)}, nil
|
|
}
|