fix: generate blspubkeys for providers

p2p/integrationtest/provider/client.go

@@ -2,12 +2,15 @@ package main
 
 import (
 	"context"
+	"crypto/rand"
 	"crypto/tls"
+	"encoding/hex"
 	"errors"
 	"log/slog"
 	"math/big"
 	"time"
 
+	bls "github.com/ethereum/go-ethereum/crypto/bls12381"
 	providerapiv1 "github.com/primev/mev-commit/p2p/gen/go/providerapi/v1"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
@@ -109,8 +112,15 @@ func (b *ProviderClient) CheckAndStake() error {
 		return nil
 	}
 
+	g1 := bls.NewG1()
+	privKey, _ := rand.Int(rand.Reader, g1.Q())
+	blsPubkey := g1.One()
+	g1.MulScalar(blsPubkey, blsPubkey, privKey)
+	blsPubkeyBytes := g1.ToBytes(blsPubkey)
+
 	_, err = b.client.RegisterStake(context.Background(), &providerapiv1.StakeRequest{
-		Amount: "10000000000000000000",
+		Amount:       "10000000000000000000",
+		BlsPublicKey: hex.EncodeToString(blsPubkeyBytes),
 	})
 	if err != nil {
 		b.logger.Error("failed to register stake", "err", err)