feat: implement confirmer

pkg/confirmer/request.go

@@ -0,0 +1,36 @@
+package confirmer
+
+import (
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+)
+
+type Request struct {
+	uuid    string
+	value   chan bool
+	timeout time.Duration
+}
+
+func newRequest(timeout time.Duration) *Request {
+	return &Request{
+		uuid:    uuid.New().String(),
+		value:   make(chan bool),
+		timeout: timeout,
+	}
+}
+
+func (r *Request) ID() string {
+	return r.uuid
+}
+
+func (r *Request) Result() (bool, error) {
+	select {
+	case res := <-r.value:
+		return res, nil
+
+	case <-time.After(r.timeout):
+		return false, errors.New("timed out waiting for result")
+	}
+}