dione/node/ethereum.go

50 lines
1.6 KiB
Go

package node
import (
"context"
"github.com/Secured-Finance/dione/consensus"
"github.com/sirupsen/logrus"
)
func (n *Node) subscribeOnEthContracts(ctx context.Context) {
eventChan, subscription, err := n.Ethereum.SubscribeOnOracleEvents(ctx)
if err != nil {
logrus.Fatal("Can't subscribe on ethereum contracts, exiting... ", err)
}
go func() {
EventLoop:
for {
select {
case event := <-eventChan:
{
task, err := n.Miner.MineTask(ctx, event, n.Wallet.WalletSign)
if err != nil {
logrus.Fatal("Error with mining algorithm, exiting... ", err)
}
logrus.Info("BlockHash for Solana transaction: ", task.BlockHash)
logrus.Info("Started new consensus round with ID: ", task.BlockHash)
n.ConsensusManager.NewTestConsensus(string(task.BlockHash), task.BlockHash, func(finalData string) {
if finalData != string(task.BlockHash) {
logrus.Warn("Expected final data to be %s, not %s", finalData)
}
})
if n.ConsensusManager.Consensuses[task.BlockHash].State == consensus.ConsensusCommitted {
logrus.Info("Consensus ID: ", task.BlockHash, " was successfull")
logrus.Info("Submitting on-chain result: ", task.BlockHash, "for consensus ID: ", task.BlockHash)
if err := n.Ethereum.SubmitRequestAnswer(event.RequestID, task.BlockHash, event.CallbackAddress, event.CallbackMethodID); err != nil {
logrus.Warn("Can't submit request to ethereum chain: ", err)
}
}
}
case <-ctx.Done():
break EventLoop
case <-subscription.Err():
logrus.Fatal("Error with ethereum subscription, exiting... ", err)
}
}
}()
}