github.com/deroproject/derosuite@v2.1.6-1.0.20200307070847-0f2e589c7a2b+incompatible/blockchain/rpcserver/getblockheaderbyhash.go (about)

     1  // Copyright 2017-2018 DERO Project. All rights reserved.
     2  // Use of this source code in any form is governed by RESEARCH license.
     3  // license can be found in the LICENSE file.
     4  // GPG: 0F39 E425 8C65 3947 702A  8234 08B2 0360 A03A 9DE8
     5  //
     6  //
     7  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
     8  // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     9  // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
    10  // THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    11  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    12  // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    13  // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    14  // STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
    15  // THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    16  
    17  package rpcserver
    18  
    19  // get block template handler not implemented
    20  
    21  //import "fmt"
    22  import "context"
    23  
    24  //import	"log"
    25  //import 	"net/http"
    26  
    27  import "github.com/intel-go/fastjson"
    28  import "github.com/osamingo/jsonrpc"
    29  
    30  import "github.com/deroproject/derosuite/crypto"
    31  import "github.com/deroproject/derosuite/structures"
    32  
    33  type GetBlockHeaderByHash_Handler struct{}
    34  
    35  func (h GetBlockHeaderByHash_Handler) ServeJSONRPC(c context.Context, params *fastjson.RawMessage) (interface{}, *jsonrpc.Error) {
    36  	var p structures.GetBlockHeaderByHash_Params
    37  	if err := jsonrpc.Unmarshal(params, &p); err != nil {
    38  		return nil, err
    39  	}
    40  
    41  	hash := crypto.HashHexToHash(p.Hash)
    42  	block_header, err := chain.GetBlockHeader(hash)
    43  
    44  	if err != nil { // if err return err
    45  		return nil, jsonrpc.ErrInvalidParams()
    46  	}
    47  
    48  	return structures.GetBlockHeaderByHash_Result{ // return success
    49  		Block_Header: block_header,
    50  		Status:       "OK",
    51  	}, nil
    52  }