package keeper
import (
abci "github.com/tendermint/tendermint/abci/types"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
"github.com/kava-labs/kava/x/bep3/types"
)
// NewQuerier is the module level router for state queries
func NewQuerier(keeper Keeper) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) (res []byte, err error) {
switch path[0] {
case types.QueryGetAssetSupply:
return queryAssetSupply(ctx, req, keeper)
case types.QueryGetAtomicSwap:
return queryAtomicSwap(ctx, req, keeper)
case types.QueryGetAtomicSwaps:
return queryAtomicSwaps(ctx, req, keeper)
case types.QueryGetParams:
return queryGetParams(ctx, req, keeper)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint", types.ModuleName)
}
}
}
func queryAssetSupply(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
// Decode request
var requestParams types.QueryAssetSupply
err := types.ModuleCdc.UnmarshalJSON(req.Data, &requestParams)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
assetSupply, found := keeper.GetAssetSupply(ctx, []byte(requestParams.Denom))
if !found {
return nil, sdkerrors.Wrap(types.ErrAssetSupplyNotFound, string(requestParams.Denom))
}
// Encode results
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, assetSupply)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryAtomicSwap(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
// Decode request
var requestParams types.QueryAtomicSwapByID
err := types.ModuleCdc.UnmarshalJSON(req.Data, &requestParams)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
// Lookup atomic swap
atomicSwap, found := keeper.GetAtomicSwap(ctx, requestParams.SwapID)
if !found {
return nil, sdkerrors.Wrapf(types.ErrAtomicSwapNotFound, "%d", requestParams.SwapID)
}
// Encode results
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, atomicSwap)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryAtomicSwaps(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) (res []byte, err error) {
var swaps types.AtomicSwaps
keeper.IterateAtomicSwaps(ctx, func(s types.AtomicSwap) bool {
swaps = append(swaps, s)
return false
})
bz, err2 := codec.MarshalJSONIndent(types.ModuleCdc, swaps)
if err2 != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
// query params in the bep3 store
func queryGetParams(ctx sdk.Context, req abci.RequestQuery, keeper Keeper) ([]byte, error) {
// Get params
params := keeper.GetParams(ctx)
// Encode results
bz, err := codec.MarshalJSONIndent(types.ModuleCdc, params)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}