67 lines
2.1 KiB
Go
67 lines
2.1 KiB
Go
package types
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/cosmos/cosmos-sdk/types/tx"
|
|
|
|
abci "github.com/tendermint/tendermint/abci/types"
|
|
"github.com/tendermint/tendermint/proto/tendermint/crypto"
|
|
|
|
"github.com/cosmos/cosmos-sdk/client"
|
|
|
|
evmtypes "github.com/cerc-io/laconicd/x/evm/types"
|
|
feemarkettypes "github.com/cerc-io/laconicd/x/feemarket/types"
|
|
)
|
|
|
|
// QueryClient defines a gRPC Client used for:
|
|
// - Transaction simulation
|
|
// - EVM module queries
|
|
// - Fee market module queries
|
|
type QueryClient struct {
|
|
tx.ServiceClient
|
|
evmtypes.QueryClient
|
|
FeeMarket feemarkettypes.QueryClient
|
|
}
|
|
|
|
// NewQueryClient creates a new gRPC query client
|
|
func NewQueryClient(clientCtx client.Context) *QueryClient {
|
|
return &QueryClient{
|
|
ServiceClient: tx.NewServiceClient(clientCtx),
|
|
QueryClient: evmtypes.NewQueryClient(clientCtx),
|
|
FeeMarket: feemarkettypes.NewQueryClient(clientCtx),
|
|
}
|
|
}
|
|
|
|
// GetProof performs an ABCI query with the given key and returns a merkle proof. The desired
|
|
// tendermint height to perform the query should be set in the client context. The query will be
|
|
// performed at one below this height (at the IAVL version) in order to obtain the correct merkle
|
|
// proof. Proof queries at height less than or equal to 2 are not supported.
|
|
// Issue: https://github.com/cosmos/cosmos-sdk/issues/6567
|
|
func (QueryClient) GetProof(clientCtx client.Context, storeKey string, key []byte) ([]byte, *crypto.ProofOps, error) {
|
|
height := clientCtx.Height
|
|
// ABCI queries at height less than or equal to 2 are not supported.
|
|
// Base app does not support queries for height less than or equal to 1.
|
|
// Therefore, a query at height 2 would be equivalent to a query at height 3
|
|
if height <= 2 {
|
|
return nil, nil, fmt.Errorf("proof queries at height <= 2 are not supported")
|
|
}
|
|
|
|
// Use the IAVL height if a valid tendermint height is passed in.
|
|
height--
|
|
|
|
abciReq := abci.RequestQuery{
|
|
Path: fmt.Sprintf("store/%s/key", storeKey),
|
|
Data: key,
|
|
Height: height,
|
|
Prove: true,
|
|
}
|
|
|
|
abciRes, err := clientCtx.QueryABCI(abciReq)
|
|
if err != nil {
|
|
return nil, nil, err
|
|
}
|
|
|
|
return abciRes.Value, abciRes.ProofOps, nil
|
|
}
|