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main.go
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/
main.go
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package main
import (
"context"
"os"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/log"
"github.com/qzhodl/polling-client/client"
)
func main() {
logger := log.New()
logger.SetHandler(log.StreamHandler(os.Stdout, log.TerminalFormat(true)))
// Use the logger to write log messages
logger.Info("This is an info message")
c, err := client.Dial("wss://eth-mainnet.g.alchemy.com/v2/XXX", logger)
if err != nil {
logger.Crit("client creating failed")
}
ctx := context.Background()
headChanges := make(chan *types.Header, 10)
_, err = c.SubscribeNewHead(ctx, headChanges)
if err != nil {
logger.Crit("client creating failed")
}
for {
head := <-headChanges
logger.Trace("New Block Number is", "head", head.Number)
}
}