106 lines
2.6 KiB
Go
106 lines
2.6 KiB
Go
// VulcanizeDB
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// Copyright © 2020 Vulcanize
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package auto
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import (
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"fmt"
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"github.com/sirupsen/logrus"
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"github.com/vulcanize/tx_spammer/pkg/shared"
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)
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// Spammer underlying struct type for spamming service
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type Spammer struct {
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Deployer *ContractDeployer
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Sender *EthSender
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TxGenerator *TxGenerator
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config *Config
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}
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// NewTxSpammer creates a new tx spamming service
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func NewTxSpammer(config *Config) shared.Service {
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gen := NewTxGenerator(config)
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return &Spammer{
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Deployer: NewContractDeployer(config, gen),
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Sender: NewEthSender(config),
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TxGenerator: gen,
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config: config,
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}
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}
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func (s *Spammer) Loop(quitChan <-chan bool) (<-chan bool, error) {
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contractAddrs, err := s.Deployer.Deploy()
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if err != nil {
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return nil, fmt.Errorf("contract deployment error: %v", err)
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}
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genQuit := make(chan bool)
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senderQuit := make(chan bool)
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doneChan := make(chan bool)
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s.config.CallConfig.ContractAddrs = contractAddrs
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genDoneChan, txChan, genErrChan := s.TxGenerator.GenerateTxs(genQuit)
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sendDoneChan, sendErrChan := s.Sender.Send(senderQuit, txChan)
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go func() {
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defer close(doneChan)
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for {
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select {
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case err := <-genErrChan:
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logrus.Errorf("tx generation error: %v", err)
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recoverClose(genQuit)
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<-genDoneChan
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recoverClose(senderQuit)
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case err := <-sendErrChan:
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logrus.Errorf("tx sending error: %v", err)
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recoverClose(genQuit)
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<-genDoneChan
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recoverClose(senderQuit)
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case <-quitChan:
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logrus.Info("shutting down tx spammer")
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recoverClose(genQuit)
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<-genDoneChan
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recoverClose(senderQuit)
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case <-sendDoneChan:
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return
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case <-genDoneChan:
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recoverClose(senderQuit)
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}
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}
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}()
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return doneChan, nil
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}
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func recoverSend(ch chan bool, value bool) {
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defer func() {
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if recover() != nil {
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}
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}()
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ch <- value
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}
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func recoverClose(ch chan bool) (justClosed bool) {
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defer func() {
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if recover() != nil {
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justClosed = false
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}
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}()
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close(ch)
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return true
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}
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