github.com/deroproject/derosuite@v2.1.6-1.0.20200307070847-0f2e589c7a2b+incompatible/walletapi/rpc_get_transfer_by_txid.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 walletapi
    18  
    19  import "fmt"
    20  import "context"
    21  import "encoding/hex"
    22  
    23  //import	"log"
    24  //import 	"net/http"
    25  
    26  import "github.com/romana/rlog"
    27  import "github.com/intel-go/fastjson"
    28  import "github.com/osamingo/jsonrpc"
    29  
    30  import "github.com/deroproject/derosuite/structures"
    31  
    32  type Get_Transfer_By_TXID_Handler struct { // this has access to the wallet
    33  	r *RPCServer
    34  }
    35  
    36  func (h Get_Transfer_By_TXID_Handler) ServeJSONRPC(c context.Context, params *fastjson.RawMessage) (interface{}, *jsonrpc.Error) {
    37  
    38  	var p structures.Get_Transfer_By_TXID_Params
    39  	var result structures.Get_Transfer_By_TXID_Result
    40  	//var result structures.Transfer_Result
    41  	//var err error
    42  
    43  	if errp := jsonrpc.Unmarshal(params, &p); errp != nil {
    44  		rlog.Errorf("Could not parse get_transfer_by_txid json, err %s\n", errp)
    45  		return nil, &jsonrpc.Error{Code: -2, Message: fmt.Sprintf("Could not parse get_transfer_by_txid json, err %s", errp)}
    46  	}
    47  
    48  	txid, err := hex.DecodeString(p.TXID)
    49  	if err != nil {
    50  		return nil, &jsonrpc.Error{Code: -2, Message: fmt.Sprintf("%s could NOT be hex decoded err %s", p.TXID, err)}
    51  	}
    52  
    53  	if len(txid) != 32 {
    54  		return nil, &jsonrpc.Error{Code: -2, Message: fmt.Sprintf("%s not 64 hex bytes", p.TXID)}
    55  	}
    56  
    57  	// if everything is okay, fire the query and convert the result to output format
    58  	entry := h.r.w.Get_Payments_TXID(txid)
    59  	result.Transfer = structures.Transfer_Details{TXID: entry.TXID.String(),
    60  		Payment_ID:  hex.EncodeToString(entry.PaymentID),
    61  		Height:      entry.Height,
    62  		Amount:      entry.Amount,
    63  		Unlock_time: entry.Unlock_Time,
    64  
    65  	}
    66  	if entry.Height == 0 {
    67  		return nil, &jsonrpc.Error{Code: -8, Message: fmt.Sprintf("Transaction not found. TXID %s", p.TXID)}
    68  	}
    69  
    70  	for i := range entry.Details.Daddress {
    71  		result.Transfer.Destinations = append(result.Transfer.Destinations,
    72  			 structures.Destination{
    73  			 	Address:  entry.Details.Daddress[i],
    74  			 	Amount:  entry.Details.Amount[i],
    75  			 	})
    76  	}
    77  
    78  	if len(entry.Details.PaymentID) >= 1 {
    79  		result.Transfer.Payment_ID =  entry.Details.PaymentID
    80  	}
    81  
    82  	if entry.Status == 0 { // if we have an amount
    83  		result.Transfer.Type = "in"
    84  		// send the result
    85  		return result, nil
    86  
    87  	}
    88  	// setup in/out
    89  	if entry.Status == 1 { // if we have an amount
    90  		result.Transfer.Type = "out"
    91  		// send the result
    92  		return result, nil
    93  
    94  	}
    95  
    96  	return nil, &jsonrpc.Error{Code: -8, Message: fmt.Sprintf("Transaction not found. TXID %s", p.TXID)}
    97  }