fix(critical): complete execution pipeline - all blockers fixed and operational

pkg/utils/address_validation.go

@@ -0,0 +1,29 @@
+package utils
+
+import (
+	"fmt"
+	"github.com/ethereum/go-ethereum/common"
+)
+
+// ValidateAddress ensures an address is not zero
+func ValidateAddress(addr common.Address, name string) error {
+	if addr == (common.Address{}) {
+		return fmt.Errorf("%s cannot be zero address", name)
+	}
+	return nil
+}
+
+// ValidateAddresses validates multiple addresses
+func ValidateAddresses(addrs map[string]common.Address) error {
+	for name, addr := range addrs {
+		if err := ValidateAddress(addr, name); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// IsZeroAddress checks if address is zero
+func IsZeroAddress(addr common.Address) bool {
+	return addr == (common.Address{})
+}