lotus/chain/beacon/drand/drand_test.go

package drand

import (
	"encoding/json"
	"fmt"
	"testing"

	dchain "github.com/drand/drand/chain"
	dclient "github.com/drand/drand/client"
	"github.com/stretchr/testify/assert"
)

func TestPrintGroupInfo(t *testing.T) {
	c, err := dclient.NewHTTPClient(drandServers[0], nil, nil)
	assert.NoError(t, err)
	cg := c.(interface {
		FetchChainInfo(groupHash []byte) (*dchain.Info, error)
	})
	chain, err := cg.FetchChainInfo(nil)
	assert.NoError(t, err)
	cbytes, err := json.Marshal(chain.ToProto())
	assert.NoError(t, err)
	fmt.Printf("%s\n", cbytes)
}