laconicd/x/evm/keeper/grpc_query.go
Federico Kunze 5a3d514ba0
conflicts
2021-04-17 12:00:07 +02:00

207 lines
4.9 KiB
Go

package keeper
import (
"context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
sdk "github.com/cosmos/cosmos-sdk/types"
ethcmn "github.com/ethereum/go-ethereum/common"
ethermint "github.com/cosmos/ethermint/types"
"github.com/cosmos/ethermint/x/evm/types"
)
var _ types.QueryServer = Keeper{}
// Account implements the Query/Account gRPC method
func (q Keeper) Account(c context.Context, req *types.QueryAccountRequest) (*types.QueryAccountResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(req.Address) == 0 {
return nil, status.Error(
codes.InvalidArgument,
types.ErrZeroAddress.Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
so := q.GetOrNewStateObject(ctx, ethcmn.HexToAddress(req.Address))
balance, err := ethermint.MarshalBigInt(so.Balance())
if err != nil {
return nil, err
}
return &types.QueryAccountResponse{
Balance: balance,
CodeHash: so.CodeHash(),
Nonce: so.Nonce(),
}, nil
}
// Balance implements the Query/Balance gRPC method
func (q Keeper) Balance(c context.Context, req *types.QueryBalanceRequest) (*types.QueryBalanceResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(req.Address) == 0 {
return nil, status.Error(
codes.InvalidArgument,
types.ErrZeroAddress.Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
balanceInt := q.GetBalance(ctx, ethcmn.HexToAddress(req.Address))
balance, err := ethermint.MarshalBigInt(balanceInt)
if err != nil {
return nil, status.Error(
codes.Internal,
"failed to marshal big.Int to string",
)
}
return &types.QueryBalanceResponse{
Balance: balance,
}, nil
}
// Storage implements the Query/Storage gRPC method
func (q Keeper) Storage(c context.Context, req *types.QueryStorageRequest) (*types.QueryStorageResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(req.Address) == 0 {
return nil, status.Error(
codes.InvalidArgument,
types.ErrZeroAddress.Error(),
)
}
if len(req.Key) == 0 {
return nil, status.Error(
codes.InvalidArgument,
types.ErrEmptyHash.Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
address := ethcmn.HexToAddress(req.Address)
key := ethcmn.HexToHash(req.Key)
state := q.GetState(ctx, address, key)
return &types.QueryStorageResponse{
Value: state.String(),
}, nil
}
// Code implements the Query/Code gRPC method
func (q Keeper) Code(c context.Context, req *types.QueryCodeRequest) (*types.QueryCodeResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if len(req.Address) == 0 {
return nil, status.Error(
codes.InvalidArgument,
types.ErrZeroAddress.Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
address := ethcmn.HexToAddress(req.Address)
code := q.GetCode(ctx, address)
return &types.QueryCodeResponse{
Code: code,
}, nil
}
// TxLogs implements the Query/TxLogs gRPC method
func (q Keeper) TxLogs(c context.Context, req *types.QueryTxLogsRequest) (*types.QueryTxLogsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if types.IsEmptyHash(req.Hash) {
return nil, status.Error(
codes.InvalidArgument,
types.ErrEmptyHash.Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
hash := ethcmn.HexToHash(req.Hash)
logs, err := q.GetLogs(ctx, hash)
if err != nil {
return nil, status.Error(
codes.Internal,
err.Error(),
)
}
return &types.QueryTxLogsResponse{
Logs: types.NewTransactionLogsFromEth(hash, logs).Logs,
}, nil
}
// BlockLogs implements the Query/BlockLogs gRPC method
func (q Keeper) BlockLogs(c context.Context, req *types.QueryBlockLogsRequest) (*types.QueryBlockLogsResponse, error) {
if req == nil {
return nil, status.Error(codes.InvalidArgument, "empty request")
}
if types.IsEmptyHash(req.Hash) {
return nil, status.Error(
codes.InvalidArgument,
types.ErrEmptyHash.Error(),
)
}
ctx := sdk.UnwrapSDKContext(c)
txLogs := q.GetAllTxLogs(ctx)
return &types.QueryBlockLogsResponse{
TxLogs: txLogs,
}, nil
}
// BlockBloom implements the Query/BlockBloom gRPC method
func (q Keeper) BlockBloom(c context.Context, _ *types.QueryBlockBloomRequest) (*types.QueryBlockBloomResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
// use block height provided through the gRPC header
bloom, found := q.GetBlockBloom(ctx, ctx.BlockHeight())
if !found {
return nil, status.Errorf(
codes.NotFound, "%s: height %d", types.ErrBloomNotFound.Error(), ctx.BlockHeight(),
)
}
return &types.QueryBlockBloomResponse{
Bloom: bloom.Bytes(),
}, nil
}
// Params implements the Query/Params gRPC method
func (q Keeper) Params(c context.Context, _ *types.QueryParamsRequest) (*types.QueryParamsResponse, error) {
ctx := sdk.UnwrapSDKContext(c)
params := q.GetParams(ctx)
return &types.QueryParamsResponse{
Params: params,
}, nil
}