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localtxsubmission.go
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/
localtxsubmission.go
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// Copyright 2023 Blink Labs Software
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package main
import (
"encoding/hex"
"encoding/json"
"flag"
"fmt"
"os"
ouroboros "github.com/blinklabs-io/gouroboros"
"github.com/blinklabs-io/gouroboros/ledger"
"github.com/blinklabs-io/gouroboros/protocol/localtxsubmission"
)
type localTxSubmissionFlags struct {
flagset *flag.FlagSet
txFile string
rawTxFile string
}
func newLocalTxSubmissionFlags() *localTxSubmissionFlags {
f := &localTxSubmissionFlags{
flagset: flag.NewFlagSet("local-tx-submission", flag.ExitOnError),
}
f.flagset.StringVar(
&f.txFile,
"tx-file",
"",
"path to the JSON transaction file to submit",
)
f.flagset.StringVar(
&f.rawTxFile,
"raw-tx-file",
"",
"path to the raw transaction file to submit",
)
return f
}
func buildLocalTxSubmissionConfig() localtxsubmission.Config {
return localtxsubmission.NewConfig()
}
func testLocalTxSubmission(f *globalFlags) {
localTxSubmissionFlags := newLocalTxSubmissionFlags()
err := localTxSubmissionFlags.flagset.Parse(f.flagset.Args()[1:])
if err != nil {
fmt.Printf("failed to parse subcommand args: %s\n", err)
os.Exit(1)
}
if localTxSubmissionFlags.txFile == "" &&
localTxSubmissionFlags.rawTxFile == "" {
fmt.Printf("you must specify -tx-file or -raw-tx-file\n")
os.Exit(1)
}
conn := createClientConnection(f)
errorChan := make(chan error)
go func() {
for {
err := <-errorChan
fmt.Printf("ERROR(async): %s\n", err)
os.Exit(1)
}
}()
o, err := ouroboros.New(
ouroboros.WithConnection(conn),
ouroboros.WithNetworkMagic(uint32(f.networkMagic)),
ouroboros.WithErrorChan(errorChan),
ouroboros.WithNodeToNode(f.ntnProto),
ouroboros.WithKeepAlive(true),
ouroboros.WithLocalTxSubmissionConfig(buildLocalTxSubmissionConfig()),
)
if err != nil {
fmt.Printf("ERROR: %s\n", err)
os.Exit(1)
}
var txBytes []byte
if localTxSubmissionFlags.txFile != "" {
txData, err := os.ReadFile(localTxSubmissionFlags.txFile)
if err != nil {
fmt.Printf("Failed to load transaction file: %s\n", err)
os.Exit(1)
}
var jsonData map[string]string
err = json.Unmarshal(txData, &jsonData)
if err != nil {
fmt.Printf("failed to parse transaction file: %s\n", err)
os.Exit(1)
}
txBytes, err = hex.DecodeString(jsonData["cborHex"])
if err != nil {
fmt.Printf("failed to decode transaction: %s\n", err)
os.Exit(1)
}
} else {
txBytes, err = os.ReadFile(localTxSubmissionFlags.rawTxFile)
if err != nil {
fmt.Printf("Failed to load transaction file: %s\n", err)
os.Exit(1)
}
}
if err = o.LocalTxSubmission().Client.SubmitTx(ledger.TxTypeAlonzo, txBytes); err != nil {
fmt.Printf("Error submitting transaction: %s\n", err)
os.Exit(1)
}
fmt.Print("The transaction was accepted\n")
}