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querier.go
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/
querier.go
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package keeper
import (
"context"
"encoding/binary"
"runtime/debug"
"github.com/cosmos/cosmos-sdk/codec"
"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/CosmWasm/wasmd/x/wasm/types"
)
var _ types.QueryServer = &grpcQuerier{}
type grpcQuerier struct {
cdc codec.Codec
storeKey sdk.StoreKey
keeper types.ViewKeeper
queryGasLimit sdk.Gas
}
// NewGrpcQuerier constructor
func NewGrpcQuerier(cdc codec.Codec, storeKey sdk.StoreKey, keeper types.ViewKeeper, queryGasLimit sdk.Gas) *grpcQuerier { //nolint:revive
return &grpcQuerier{cdc: cdc, storeKey: storeKey, keeper: keeper, queryGasLimit: queryGasLimit}
}
func (q grpcQuerier) ContractInfo(c context.Context, req *types.QueryContractInfoRequest) (*types.QueryContractInfoResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
contractAddr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, err
}
rsp, err := queryContractInfo(sdk.UnwrapSDKContext(c), contractAddr, q.keeper)
switch {
case err != nil:
return nil, err
case rsp == nil:
return nil, types.ErrNotFound
}
return rsp, nil
}
func (q grpcQuerier) ContractHistory(c context.Context, req *types.QueryContractHistoryRequest) (*types.QueryContractHistoryResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
contractAddr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, err
}
ctx := sdk.UnwrapSDKContext(c)
r := make([]types.ContractCodeHistoryEntry, 0)
prefixStore := prefix.NewStore(ctx.KVStore(q.storeKey), types.GetContractCodeHistoryElementPrefix(contractAddr))
pageRes, err := query.FilteredPaginate(prefixStore, req.Pagination, func(key []byte, value []byte, accumulate bool) (bool, error) {
if accumulate {
var e types.ContractCodeHistoryEntry
if err := q.cdc.Unmarshal(value, &e); err != nil {
return false, err
}
r = append(r, e)
}
return true, nil
})
if err != nil {
return nil, err
}
return &types.QueryContractHistoryResponse{
Entries: r,
Pagination: pageRes,
}, nil
}
// ContractsByCode lists all smart contracts for a code id
func (q grpcQuerier) ContractsByCode(c context.Context, req *types.QueryContractsByCodeRequest) (*types.QueryContractsByCodeResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.CodeId == 0 {
return nil, sdkerrors.Wrap(types.ErrInvalid, "code id")
}
ctx := sdk.UnwrapSDKContext(c)
r := make([]string, 0)
prefixStore := prefix.NewStore(ctx.KVStore(q.storeKey), types.GetContractByCodeIDSecondaryIndexPrefix(req.CodeId))
pageRes, err := query.FilteredPaginate(prefixStore, req.Pagination, func(key []byte, value []byte, accumulate bool) (bool, error) {
if accumulate {
var contractAddr sdk.AccAddress = key[types.AbsoluteTxPositionLen:]
r = append(r, contractAddr.String())
}
return true, nil
})
if err != nil {
return nil, err
}
return &types.QueryContractsByCodeResponse{
Contracts: r,
Pagination: pageRes,
}, nil
}
func (q grpcQuerier) AllContractState(c context.Context, req *types.QueryAllContractStateRequest) (*types.QueryAllContractStateResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
contractAddr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, err
}
ctx := sdk.UnwrapSDKContext(c)
if !q.keeper.HasContractInfo(ctx, contractAddr) {
return nil, types.ErrNotFound
}
r := make([]types.Model, 0)
prefixStore := prefix.NewStore(ctx.KVStore(q.storeKey), types.GetContractStorePrefix(contractAddr))
pageRes, err := query.FilteredPaginate(prefixStore, req.Pagination, func(key []byte, value []byte, accumulate bool) (bool, error) {
if accumulate {
r = append(r, types.Model{
Key: key,
Value: value,
})
}
return true, nil
})
if err != nil {
return nil, err
}
return &types.QueryAllContractStateResponse{
Models: r,
Pagination: pageRes,
}, nil
}
func (q grpcQuerier) RawContractState(c context.Context, req *types.QueryRawContractStateRequest) (*types.QueryRawContractStateResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
contractAddr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, err
}
if !q.keeper.HasContractInfo(ctx, contractAddr) {
return nil, types.ErrNotFound
}
rsp := q.keeper.QueryRaw(ctx, contractAddr, req.QueryData)
return &types.QueryRawContractStateResponse{Data: rsp}, nil
}
func (q grpcQuerier) SmartContractState(c context.Context, req *types.QuerySmartContractStateRequest) (rsp *types.QuerySmartContractStateResponse, err error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if err := req.QueryData.ValidateBasic(); err != nil {
return nil, status.Error(codes.InvalidArgument, "invalid query data")
}
contractAddr, err := sdk.AccAddressFromBech32(req.Address)
if err != nil {
return nil, err
}
ctx := sdk.UnwrapSDKContext(c).WithGasMeter(sdk.NewGasMeter(q.queryGasLimit))
// recover from out-of-gas panic
defer func() {
if r := recover(); r != nil {
switch rType := r.(type) {
case sdk.ErrorOutOfGas:
err = sdkerrors.Wrapf(sdkerrors.ErrOutOfGas,
"out of gas in location: %v; gasWanted: %d, gasUsed: %d",
rType.Descriptor, ctx.GasMeter().Limit(), ctx.GasMeter().GasConsumed(),
)
default:
err = sdkerrors.ErrPanic
}
rsp = nil
moduleLogger(ctx).
Debug("smart query contract",
"error", "recovering panic",
"contract-address", req.Address,
"stacktrace", string(debug.Stack()))
}
}()
bz, err := q.keeper.QuerySmart(ctx, contractAddr, req.QueryData)
switch {
case err != nil:
return nil, err
case bz == nil:
return nil, types.ErrNotFound
}
return &types.QuerySmartContractStateResponse{Data: bz}, nil
}
func (q grpcQuerier) Code(c context.Context, req *types.QueryCodeRequest) (*types.QueryCodeResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if req.CodeId == 0 {
return nil, sdkerrors.Wrap(types.ErrInvalid, "code id")
}
rsp, err := queryCode(sdk.UnwrapSDKContext(c), req.CodeId, q.keeper)
switch {
case err != nil:
return nil, err
case rsp == nil:
return nil, types.ErrNotFound
}
return &types.QueryCodeResponse{
CodeInfoResponse: rsp.CodeInfoResponse,
Data: rsp.Data,
}, nil
}
func (q grpcQuerier) Codes(c context.Context, req *types.QueryCodesRequest) (*types.QueryCodesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
r := make([]types.CodeInfoResponse, 0)
prefixStore := prefix.NewStore(ctx.KVStore(q.storeKey), types.CodeKeyPrefix)
pageRes, err := query.FilteredPaginate(prefixStore, req.Pagination, func(key []byte, value []byte, accumulate bool) (bool, error) {
if accumulate {
var c types.CodeInfo
if err := q.cdc.Unmarshal(value, &c); err != nil {
return false, err
}
r = append(r, types.CodeInfoResponse{
CodeID: binary.BigEndian.Uint64(key),
Creator: c.Creator,
DataHash: c.CodeHash,
InstantiatePermission: c.InstantiateConfig,
})
}
return true, nil
})
if err != nil {
return nil, err
}
return &types.QueryCodesResponse{CodeInfos: r, Pagination: pageRes}, nil
}
func queryContractInfo(ctx sdk.Context, addr sdk.AccAddress, keeper types.ViewKeeper) (*types.QueryContractInfoResponse, error) {
info := keeper.GetContractInfo(ctx, addr)
if info == nil {
return nil, types.ErrNotFound
}
return &types.QueryContractInfoResponse{
Address: addr.String(),
ContractInfo: *info,
}, nil
}
func queryCode(ctx sdk.Context, codeID uint64, keeper types.ViewKeeper) (*types.QueryCodeResponse, error) {
if codeID == 0 {
return nil, nil
}
res := keeper.GetCodeInfo(ctx, codeID)
if res == nil {
// nil, nil leads to 404 in rest handler
return nil, nil
}
info := types.CodeInfoResponse{
CodeID: codeID,
Creator: res.Creator,
DataHash: res.CodeHash,
InstantiatePermission: res.InstantiateConfig,
}
code, err := keeper.GetByteCode(ctx, codeID)
if err != nil {
return nil, sdkerrors.Wrap(err, "loading wasm code")
}
return &types.QueryCodeResponse{CodeInfoResponse: &info, Data: code}, nil
}
func (q grpcQuerier) PinnedCodes(c context.Context, req *types.QueryPinnedCodesRequest) (*types.QueryPinnedCodesResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
r := make([]uint64, 0)
prefixStore := prefix.NewStore(ctx.KVStore(q.storeKey), types.PinnedCodeIndexPrefix)
pageRes, err := query.FilteredPaginate(prefixStore, req.Pagination, func(key []byte, _ []byte, accumulate bool) (bool, error) {
if accumulate {
r = append(r, sdk.BigEndianToUint64(key))
}
return true, nil
})
if err != nil {
return nil, err
}
return &types.QueryPinnedCodesResponse{
CodeIDs: r,
Pagination: pageRes,
}, nil
}
// Params returns params of the module.
func (q grpcQuerier) Params(c context.Context, req *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
params := q.keeper.GetParams(ctx)
return &types.QueryParamsResponse{Params: params}, nil
}
func (q grpcQuerier) ContractsByCreator(c context.Context, req *types.QueryContractsByCreatorRequest) (*types.QueryContractsByCreatorResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
ctx := sdk.UnwrapSDKContext(c)
contracts := make([]string, 0)
creatorAddress, err := sdk.AccAddressFromBech32(req.CreatorAddress)
if err != nil {
return nil, err
}
prefixStore := prefix.NewStore(ctx.KVStore(q.storeKey), types.GetContractsByCreatorPrefix(creatorAddress))
pageRes, err := query.FilteredPaginate(prefixStore, req.Pagination, func(key []byte, _ []byte, accumulate bool) (bool, error) {
if accumulate {
accAddres := sdk.AccAddress(key[types.AbsoluteTxPositionLen:])
contracts = append(contracts, accAddres.String())
}
return true, nil
})
if err != nil {
return nil, err
}
return &types.QueryContractsByCreatorResponse{
ContractAddresses: contracts,
Pagination: pageRes,
}, nil
}