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dao.go
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dao.go
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package toolslib
import (
"bytes"
"encoding/json"
"github.com/btcsuite/btcd/btcec"
"github.com/deso-smart/deso-backend/v3/routes"
"github.com/deso-smart/deso-core/v3/lib"
"github.com/holiman/uint256"
"github.com/pkg/errors"
"io/ioutil"
"net/http"
)
func _generateUnsignedTransferDAOCoin(senderPubKey *btcec.PublicKey, profilePubKeyBase58Check string,
receiverPubKeyBase58Check string, daoCoinToTransferNanos uint256.Int, params *lib.DeSoParams,
node string) (*routes.TransferDAOCoinResponse, error) {
endpoint := node + routes.RoutePathTransferDAOCoin
// Setup request
payload := &routes.TransferDAOCoinRequest{
SenderPublicKeyBase58Check: lib.PkToString(senderPubKey.SerializeCompressed(), params),
ProfilePublicKeyBase58CheckOrUsername: profilePubKeyBase58Check,
ReceiverPublicKeyBase58CheckOrUsername: receiverPubKeyBase58Check,
DAOCoinToTransferNanos: daoCoinToTransferNanos,
MinFeeRateNanosPerKB: 1000,
}
postBody, err := json.Marshal(payload)
if err != nil {
return nil, errors.Wrap(err, "_generateUnsignedTransferDAOCoin() failed to marshal struct")
}
postBuffer := bytes.NewBuffer(postBody)
// Execute request
resp, err := http.Post(endpoint, "application/json", postBuffer)
if err != nil {
return nil, errors.Wrap(err, "_generateUnsignedTransferDAOCoin() failed to execute request")
}
if resp.StatusCode != 200 {
bodyBytes, _ := ioutil.ReadAll(resp.Body)
return nil, errors.Errorf("_generateUnsignedTransferDAOCoin(): Received non 200 response code: "+
"Status Code: %v Body: %v", resp.StatusCode, string(bodyBytes))
}
// Process response
transferDAOCoinResponse := routes.TransferDAOCoinResponse{}
err = json.NewDecoder(resp.Body).Decode(&transferDAOCoinResponse)
if err != nil {
return nil, errors.Wrap(err, "_generateUnsignedTransferDAOCoin(): failed decoding body")
}
err = resp.Body.Close()
if err != nil {
return nil, errors.Wrap(err, "_generateUnsignedTransferDAOCoin(): failed closing body")
}
return &transferDAOCoinResponse, nil
}
func TransferDAOCoin(senderPubKey *btcec.PublicKey, senderPrivKey *btcec.PrivateKey, profilePubKeyBase58Check string,
receiverPubKeyBase58Check string, daoCoinToTransferNanos uint256.Int, params *lib.DeSoParams,
node string) error {
// Request an unsigned transaction from the node
unsignedMessage, err := _generateUnsignedTransferDAOCoin(senderPubKey, profilePubKeyBase58Check,
receiverPubKeyBase58Check, daoCoinToTransferNanos, params, node)
if err != nil {
return errors.Wrap(err, "TrasnferDAOCoin() failed to call _generateUnsignedTrasnferDAOCoin()")
}
txn := unsignedMessage.Transaction
// Sign the transaction
signature, err := txn.Sign(senderPrivKey)
if err != nil {
return errors.Wrap(err, "TrasnferDAOCoin() failed to sign transaction")
}
txn.Signature.SetSignature(signature)
// Submit the transaction to the node
err = SubmitTransactionToNode(txn, node)
if err != nil {
return errors.Wrap(err, "TrasnferDAOCoin() failed to submit transaction")
}
return nil
}