/
legacy_querier.go
151 lines (127 loc) · 4.58 KB
/
legacy_querier.go
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package keeper
import (
"fmt"
"runtime/debug"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/classic-terra/core/x/wasm/types"
)
// NewLegacyQuerier creates a new querier
func NewLegacyQuerier(k Keeper, legacyQuerierCdc *codec.LegacyAmino) sdk.Querier {
return func(ctx sdk.Context, path []string, req abci.RequestQuery) ([]byte, error) {
switch path[0] {
case types.QueryGetByteCode:
return queryByteCode(ctx, req, k, legacyQuerierCdc)
case types.QueryGetCodeInfo:
return queryCodeInfo(ctx, req, k, legacyQuerierCdc)
case types.QueryGetContractInfo:
return queryContractInfo(ctx, req, k, legacyQuerierCdc)
case types.QueryRawStore:
return queryRawStore(ctx, req, k, legacyQuerierCdc)
case types.QueryContractStore:
return queryContractStore(ctx, req, k, legacyQuerierCdc)
case types.QueryParameters:
return queryParameters(ctx, k, legacyQuerierCdc)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unknown %s query endpoint: %s", types.ModuleName, path[0])
}
}
}
func queryByteCode(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryCodeIDParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
byteCode, err := k.GetByteCode(ctx, params.CodeID)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, byteCode)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryCodeInfo(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryCodeIDParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
codeInfo, err := k.GetCodeInfo(ctx, params.CodeID)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, codeInfo)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryContractInfo(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryContractAddressParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
contractInfo, err := k.GetContractInfo(ctx, params.ContractAddress)
if err != nil {
return nil, err
}
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, contractInfo)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}
func queryRawStore(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
var params types.QueryRawStoreParams
err := legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
res := k.queryToStore(ctx, params.ContractAddress, params.Key)
return res, nil
}
func queryContractStore(ctx sdk.Context, req abci.RequestQuery, k Keeper, legacyQuerierCdc *codec.LegacyAmino) (bz []byte, err error) {
// external query gas limit must be specified here
ctx = ctx.WithGasMeter(sdk.NewGasMeter(k.wasmConfig.ContractQueryGasLimit))
var params types.QueryContractParams
err = legacyQuerierCdc.UnmarshalJSON(req.Data, ¶ms)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
}
// recover from out-of-gas panic
defer func() {
if r := recover(); r != nil {
switch rType := r.(type) {
case sdk.ErrorOutOfGas:
err = sdkerrors.Wrap(
sdkerrors.ErrOutOfGas, fmt.Sprintf(
"out of gas in location: %v; gasWanted: %d, gasUsed: %d",
rType.Descriptor, ctx.GasMeter().Limit(), ctx.GasMeter().GasConsumed(),
),
)
default:
err = sdkerrors.Wrap(
sdkerrors.ErrPanic, fmt.Sprintf(
"recovered: %v\nstack:\n%v", r, string(debug.Stack()),
),
)
}
bz = nil
}
}()
bz, err = k.queryToContract(ctx, params.ContractAddress, params.Msg)
return bz, err
}
func queryParameters(ctx sdk.Context, k Keeper, legacyQuerierCdc *codec.LegacyAmino) ([]byte, error) {
bz, err := codec.MarshalJSONIndent(legacyQuerierCdc, k.GetParams(ctx))
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
}
return bz, nil
}