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main.go
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main.go
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/*
* This example code demonstrates rewards client library usage for listing staking balances
*/
package main
import (
"context"
"errors"
"log"
"google.golang.org/api/iterator"
"google.golang.org/protobuf/encoding/protojson"
"github.com/coinbase/staking-client-library-go/auth"
"github.com/coinbase/staking-client-library-go/client"
"github.com/coinbase/staking-client-library-go/client/options"
rewardspb "github.com/coinbase/staking-client-library-go/gen/go/coinbase/staking/rewards/v1"
)
// An example function to demonstrate how to use the staking client libraries.
func main() {
ctx := context.Background()
apiKey, err := auth.NewAPIKey(auth.WithLoadAPIKeyFromFile(true))
if err != nil {
log.Fatalf("error loading API key: %s", err.Error())
}
authOpt := options.WithAPIKey(apiKey)
// Create a staking client.
stakingClient, err := client.New(ctx, authOpt)
if err != nil {
log.Fatalf("error instantiating staking client: %s", err.Error())
}
// List staking activities for a given protocol.
stakesIter := stakingClient.Rewards.ListStakes(ctx, &rewardspb.ListStakesRequest{
Parent: rewardspb.ProtocolResourceName{Protocol: "ethereum"}.String(),
PageSize: 200,
Filter: `address='0xac53512c39d0081ca4437c285305eb423f474e6153693c12fbba4a3df78bcaa3422b31d800c5bea71c1b017168a60474' AND evaluation_time>='2023-12-12T07:25:11-04:00' AND evaluation_time<='2023-12-12T08:20:50-04:00'`,
})
count := 0
for {
stake, err := stakesIter.Next()
if errors.Is(err, iterator.Done) {
break
}
if err != nil {
log.Fatalf("error listing stakes: %s", err.Error())
}
d, err := protojson.Marshal(stake)
if err != nil {
log.Fatalf("error marshalling stake object: %s", err.Error())
}
log.Printf("[%d] Stake details: %s", count, d)
count += 1
}
}