Record whether a node is adopted and which modules were taken on it (hq ADR 0100)

internal/token/token_test.go

@@ -140,6 +140,22 @@ func TestTheWireFormatIsExactlyTheseFieldNames(t *testing.T) {
 	if len(fields) != 6 {
 		t.Errorf("the token has %d fields, expected 6: %v", len(fields), fields)
 	}
+
+	// An adopted node's token says so, under exactly this name, and a converged one does not
+	// carry it at all (novox/hq ADR 0100).
+	adopted := complete(t)
+	adopted.Adopted = true
+	raw, err = json.Marshal(adopted)
+	if err != nil {
+		t.Fatal(err)
+	}
+	fields = nil
+	if err := json.Unmarshal(raw, &fields); err != nil {
+		t.Fatal(err)
+	}
+	if fields["adopted"] != true || len(fields) != 7 {
+		t.Errorf("an adopted token does not carry \"adopted\": true: %v", fields)
+	}
 }
 
 func TestATokenWithNoNameIsRefused(t *testing.T) {