ipld-eth-beacon-indexer/pkg/beaconclient/queryserver.go
Abdul Rabbani 4994f1fa94 Capture the head block in the DB entirely. (#27)
* -- Intermediary Commit --

Just want to commit my code over the weekend, in case I spill coffee on my workstation.

* Create DB models ready for write.

* Handle SSE events

* Update ref for stack-orchestrator

* Use env in one place only.

* Boot Application on PR

* Update syntax

* Update syntax

* Correct command

* Use bash instead of sh

* Use until instead of while

* Make linter happy and check sse subscription err

* Handle Reorgs - Untested
2022-05-13 08:55:00 -04:00

38 lines
1.2 KiB
Go

// This file will contain functions to query the Beacon Chain Server.
package beaconclient
import (
"fmt"
"io/ioutil"
"net/http"
log "github.com/sirupsen/logrus"
"github.com/vulcanize/ipld-ethcl-indexer/pkg/loghelper"
)
// A helper function to query endpoints that utilize slots.
func querySsz(endpoint string, slot string) ([]byte, int, error) {
log.WithFields(log.Fields{"endpoint": endpoint}).Debug("Querying endpoint")
client := &http.Client{}
req, err := http.NewRequest("GET", endpoint, nil)
if err != nil {
loghelper.LogSlotError(slot, err).Error("Unable to create a request!")
return nil, 0, fmt.Errorf("Unable to create a request!: %s", err.Error())
}
req.Header.Set("Accept", "application/octet-stream")
response, err := client.Do(req)
if err != nil {
loghelper.LogSlotError(slot, err).Error("Unable to query Beacon Node!")
return nil, 0, fmt.Errorf("Unable to query Beacon Node: %s", err.Error())
}
defer response.Body.Close()
rc := response.StatusCode
body, err := ioutil.ReadAll(response.Body)
if err != nil {
loghelper.LogSlotError(slot, err).Error("Unable to turn response into a []bytes array!")
return nil, rc, fmt.Errorf("Unable to turn response into a []bytes array!: %s", err.Error())
}
return body, rc, nil
}