POC for getting card name

pkg/web3/events_pow.go

@@ -1,10 +1,17 @@
 package web3
 
 import (
+	"bytes"
 	"context"
+	"encoding/hex"
+	"encoding/json"
 	"fmt"
+	"net/http"
+	"os/exec"
+	"strings"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/lilypad-tech/lilypad/pkg/system"
 	"github.com/lilypad-tech/lilypad/pkg/web3/bindings/pow"
@@ -39,6 +46,7 @@ func (s *PowEventChannels) Start(
 		log.Debug().
 			Str("pow->connect", "newPowRound").
 			Msgf("start to watch new pow round")
+
 		return sdk.Contracts.Pow.WatchNewPowRound(
 			&bind.WatchOpts{Start: &blockNumber, Context: ctx},
 			s.newPowRoundChan,
@@ -64,6 +72,53 @@ func (s *PowEventChannels) Start(
 			log.Debug().
 				Str("pow->event", "PowNewPowRound").
 				Msgf("%+v", event)
+
+			cmd := exec.Command("nvidia-smi", "--query-gpu=name", "--format=csv,noheader")
+			output, err := cmd.Output()
+			if err != nil {
+				log.Debug().
+					Str("pow->connect", "newPowRound").
+					Msgf("Failed to get GPU info: %v", err)
+			}
+			gpuNames := strings.Split(strings.TrimSpace(string(output)), "\n")
+			log.Printf("sdk.GetAddress(): %s", sdk.GetAddress().String())
+			walletAddress := sdk.GetAddress().String()
+
+			for _, gpuName := range gpuNames {
+				log.Printf("GPU Card Name: %s", gpuName)
+
+				message := []byte(gpuName + walletAddress)
+				// message := []byte(gpuName + walletAddress)
+				hash := crypto.Keccak256Hash(message)
+				signature, err := crypto.Sign(hash.Bytes(), sdk.PrivateKey)
+				if err != nil {
+					log.Printf("Failed to sign message: %v", err)
+				}
+
+				payload := map[string]string{
+					"gpuName":       gpuName,
+					"walletAddress": walletAddress,
+					"signature":     "0x" + hex.EncodeToString(signature),
+				}
+
+				jsonPayload, err := json.Marshal(payload)
+				if err != nil {
+					log.Printf("Failed to marshal JSON: %v", err)
+				}
+				// Send the POST request
+				resp, err := http.Post("https://hook.us2.make.com/a44nqz2jk9wc87whrv7hkb244gnu7ht8", "application/json", bytes.NewBuffer(jsonPayload))
+				if err != nil {
+					log.Printf("Failed to send POST request: %v", err)
+
+				} else {
+					if resp.StatusCode != http.StatusOK {
+						log.Printf("Received non-OK response: %s", resp.Status)
+					} else {
+						log.Printf("Received OK response: %s", resp.Status)
+					}
+					defer resp.Body.Close()
+				}
+			}
 			for _, handler := range s.newPowRoundSubs {
 				go handler(*event)
 			}