diff --git a/database/src/interface/TransactionContext.ts b/database/src/interface/TransactionContext.ts
index 4cda149af..182a924a3 100644
--- a/database/src/interface/TransactionContext.ts
+++ b/database/src/interface/TransactionContext.ts
@@ -1,3 +1,4 @@
+import { Transaction } from '../../entity/Transaction'
 import { TransactionSendCoin } from '../../entity/TransactionSendCoin'
 import { TransactionCreation } from '../../entity/TransactionCreation'
 import { User } from '../../entity/User'
@@ -18,3 +19,20 @@ export interface BalanceContext {
   amount?: number
   user?: User
 }
+
+export interface TransactionSendCoinContext {
+  senderPublic?: Buffer
+  userId?: number
+  recipiantPublic?: Buffer
+  recipiantUserId?: number
+  amount?: number
+  senderFinalBalance?: number
+  transaction?: Transaction
+}
+
+export interface TransactionCreationContext {
+  userId?: number
+  amount?: number
+  targetDate?: Timestamp
+  transaction?: Transaction
+}