github.com/klaytn/klaytn@v1.12.1/api/api_public_debug.go (about)

     1  // Modifications Copyright 2019 The klaytn Authors
     2  // Copyright 2015 The go-ethereum Authors
     3  // This file is part of the go-ethereum library.
     4  //
     5  // The go-ethereum library is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Lesser General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // The go-ethereum library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  // GNU Lesser General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public License
    16  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    17  //
    18  // This file is derived from internal/ethapi/api.go (2018/06/04).
    19  // Modified and improved for the klaytn development.
    20  
    21  package api
    22  
    23  import (
    24  	"context"
    25  	"fmt"
    26  
    27  	"github.com/klaytn/klaytn/networks/rpc"
    28  	"github.com/klaytn/klaytn/rlp"
    29  )
    30  
    31  // PublicDebugAPI is the collection of Klaytn APIs exposed over the public
    32  // debugging endpoint.
    33  type PublicDebugAPI struct {
    34  	b Backend
    35  }
    36  
    37  // NewPublicDebugAPI creates a new API definition for the public debug methods
    38  // of the Klaytn service.
    39  func NewPublicDebugAPI(b Backend) *PublicDebugAPI {
    40  	return &PublicDebugAPI{b: b}
    41  }
    42  
    43  // GetBlockRlp retrieves the RLP encoded for of a single block.
    44  func (api *PublicDebugAPI) GetBlockRlp(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (string, error) {
    45  	block, _ := api.b.BlockByNumberOrHash(ctx, blockNrOrHash)
    46  	if block == nil {
    47  		blockNumberOrHashString, _ := blockNrOrHash.NumberOrHashString()
    48  		return "", fmt.Errorf("block %v not found", blockNumberOrHashString)
    49  	}
    50  	encoded, err := rlp.EncodeToBytes(block)
    51  	if err != nil {
    52  		return "", err
    53  	}
    54  	return fmt.Sprintf("%x", encoded), nil
    55  }