3 files changed, 12 insertions, 2 deletions

diff --git a/api/src/main/java/market/guess/model/event/CommissionTiming.java b/api/src/main/java/market/guess/model/event/CommissionTiming.java
new file mode 100644
index 0000000..fff8b6b
--- /dev/null
+++ b/api/src/main/java/market/guess/model/event/CommissionTiming.java
@@ -0,0 +1,6 @@
+package market.guess.model.event;
+
+public enum CommissionTiming {
+  ON_CLOSE,
+  ON_PURCHASE
+}
diff --git a/api/src/main/java/market/guess/model/event/EventSummaryDTO.java b/api/src/main/java/market/guess/model/event/EventSummaryDTO.java
index 1595f81..42762c2 100644
--- a/api/src/main/java/market/guess/model/event/EventSummaryDTO.java
+++ b/api/src/main/java/market/guess/model/event/EventSummaryDTO.java
@@ -1,8 +1,6 @@
 package market.guess.model.event;
 
 import java.util.List;
-import market.guess.api.CommissionTiming;
-import market.guess.api.MechanismType;
 
 public record EventSummaryDTO(
     String key,
diff --git a/api/src/main/java/market/guess/model/event/MechanismType.java b/api/src/main/java/market/guess/model/event/MechanismType.java
new file mode 100644
index 0000000..6063881
--- /dev/null
+++ b/api/src/main/java/market/guess/model/event/MechanismType.java
@@ -0,0 +1,6 @@
+package market.guess.model.event;
+
+public enum MechanismType {
+  LMSR,
+  ORDER_BOOK
+}