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  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. package rpcserver
  17. // get block template handler not implemented
  18. //import "fmt"
  19. import "context"
  20. //import "log"
  21. //import "net/http"
  22. import "github.com/intel-go/fastjson"
  23. import "github.com/osamingo/jsonrpc"
  24. import "github.com/deroproject/derosuite/crypto"
  25. import "github.com/deroproject/derosuite/blockchain"
  26. type (
  27. GetBlockHeaderByHash_Handler struct{}
  28. GetBlockHeaderByHash_Params struct {
  29. Hash string `json:"hash"`
  30. } // no params
  31. GetBlockHeaderByHash_Result struct {
  32. Block_Header blockchain.BlockHeader_Print `json:"block_header"`
  33. Status string `json:"status"`
  34. }
  35. )
  36. func (h GetBlockHeaderByHash_Handler) ServeJSONRPC(c context.Context, params *fastjson.RawMessage) (interface{}, *jsonrpc.Error) {
  37. var p GetBlockHeaderByHash_Params
  38. if err := jsonrpc.Unmarshal(params, &p); err != nil {
  39. return nil, err
  40. }
  41. hash := crypto.HashHexToHash(p.Hash)
  42. block_header, err := chain.GetBlockHeader(hash)
  43. if err != nil { // if err return err
  44. return nil, jsonrpc.ErrInvalidParams()
  45. }
  46. return GetBlockHeaderByHash_Result{ // return success
  47. Block_Header: block_header,
  48. Status: "OK",
  49. }, nil
  50. }