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tx_client.go
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/
tx_client.go
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package client
import (
"errors"
"fmt"
"net/http"
)
// TxClient provides a set of methods for working with transactions.
type TxClient struct {
dc DnodeClient
}
// Broadcast signs and sends/broadcasts transactions to the network
func (c TxClient) Broadcast(msgs []Msg) (TxResponse, error) {
var res TxResponse
body, err := c.buildSignedBroadcastRequest(msgs)
if err != nil {
return res, err
}
resp, err := c.dc.httpcl.R().SetBody(body).Post(fmt.Sprintf("%s/txs", c.dc.nodeURL))
if err != nil {
return res, err
}
if resp.StatusCode() != http.StatusOK {
err = errors.New(resp.String())
return res, err
}
err = c.dc.cdc.UnmarshalJSON(resp.Body(), &res)
if err != nil {
return res, err
}
return res, nil
}
func (c TxClient) buildSignedBroadcastRequest(msgs []Msg) ([]byte, error) {
signedTx, err := c.dc.txb.SignStdTx(c.dc.accName, c.dc.passphrase, StdTx{
Msgs: msgs,
Fee: StdFee{Amount: c.dc.txb.Fees(), Gas: c.dc.txb.Gas()},
Memo: c.dc.txb.Memo(),
}, false)
if err != nil {
return nil, err
}
bz, err := c.dc.cdc.MarshalJSON(BroadcastReq{Mode: c.dc.broadcastMode, Tx: signedTx})
if err != nil {
return nil, err
}
return SortJSON(bz)
}