diff --git a/backend/src/graphql/models/Decay.ts b/backend/src/graphql/models/Decay.ts
index 09564c5ca..9bc89f6ec 100644
--- a/backend/src/graphql/models/Decay.ts
+++ b/backend/src/graphql/models/Decay.ts
@@ -5,8 +5,7 @@ import { Transaction } from '../../typeorm/entity/Transaction'
 
 @ObjectType()
 export class Decay {
-  constructor()
-  constructor(json?: any) {
+  constructor(json: any) {
     if (json) {
       this.balance = Number(json.balance)
       this.decayStart = json.decay_start
diff --git a/backend/src/graphql/models/Transaction.ts b/backend/src/graphql/models/Transaction.ts
index 01dcf280d..c34cac1c5 100644
--- a/backend/src/graphql/models/Transaction.ts
+++ b/backend/src/graphql/models/Transaction.ts
@@ -18,7 +18,7 @@ export class Transaction {
       this.balance = Number(json.balance)
       this.decayStart = json.decay_start
       this.decayEnd = json.decay_end
-      this.decayDuration = parseFloat(json.decay_duration)
+
       this.memo = json.memo
       this.transactionId = json.transaction_id
       this.name = json.name
diff --git a/backend/src/graphql/resolvers/BalanceResolver.ts b/backend/src/graphql/resolvers/BalanceResolver.ts
index 02c148ffb..e7e8d73a3 100644
--- a/backend/src/graphql/resolvers/BalanceResolver.ts
+++ b/backend/src/graphql/resolvers/BalanceResolver.ts
@@ -7,7 +7,7 @@ import { Balance } from '../models/Balance'
 import { apiGet } from '../../apis/HttpRequest'
 import { User as dbUser } from '../../typeorm/entity/User'
 import { Balance as dbBalance } from '../../typeorm/entity/Balance'
-import calculateDecay from '../../util/decay'
+import { calculateDecay } from '../../util/decay'
 import { roundFloorFrom4 } from '../../util/round'
 
 @Resolver()
diff --git a/backend/src/graphql/resolvers/TransactionResolver.ts b/backend/src/graphql/resolvers/TransactionResolver.ts
index 0e4106991..f8cf2db62 100644
--- a/backend/src/graphql/resolvers/TransactionResolver.ts
+++ b/backend/src/graphql/resolvers/TransactionResolver.ts
@@ -10,7 +10,7 @@ import { User as dbUser } from '../../typeorm/entity/User'
 import { Balance as dbBalance } from '../../typeorm/entity/Balance'
 import listTransactions from './listTransactions'
 import { roundFloorFrom4 } from '../../util/round'
-import calculateDecay from '../../util/decay'
+import { calculateDecay } from '../../util/decay'
 
 @Resolver()
 export class TransactionResolver {
@@ -41,7 +41,7 @@ export class TransactionResolver {
     const now = new Date()
     transactions.balance = roundFloorFrom4(balanceEntity.amount)
     transactions.decay = roundFloorFrom4(
-      calculateDecay(balanceEntity.amount, balanceEntity.recordDate, now),
+      await calculateDecay(balanceEntity.amount, balanceEntity.recordDate, now),
     )
     transactions.decayDate = now.toString()
 
diff --git a/backend/src/graphql/resolvers/listTransactions.ts b/backend/src/graphql/resolvers/listTransactions.ts
index 9bbb77bb5..73ddea150 100644
--- a/backend/src/graphql/resolvers/listTransactions.ts
+++ b/backend/src/graphql/resolvers/listTransactions.ts
@@ -12,7 +12,7 @@ async function calculateAndAddDecayTransactions(
   decay: boolean,
   skipFirstTransaction: boolean,
 ): Promise<Transaction[]> {
-  const finalTransactions: Transaction[] = []
+  let finalTransactions: Transaction[] = []
   const transactionIds: number[] = []
   const involvedUserIds: number[] = []
 
@@ -29,14 +29,14 @@ async function calculateAndAddDecayTransactions(
     .createQueryBuilder('transaction')
     .where('transaction.id IN (:...transactions)', { transactions: transactionIds })
     .leftJoinAndSelect(
-      'transaction.sendCoin',
-      'transactionSendCoin',
-      'transactionSendCoin.transactionid = transaction.id',
+      'transaction.transactionSendCoin',
+      'transactionSendCoin'
+      //'transactionSendCoin.transaction_id = transaction.id',
     )
     .leftJoinAndSelect(
-      'transaction.creation',
-      'transactionCreation',
-      'transactionSendCoin.transactionid = transaction.id',
+      'transaction.transactionCreation',
+      'transactionCreation'
+      //'transactionSendCoin.transaction_id = transaction.id',
     )
     .getMany()
 
@@ -47,7 +47,7 @@ async function calculateAndAddDecayTransactions(
 
   const decayStartTransaction = await Decay.getDecayStartBlock()
 
-  userTransactions.forEach(async (userTransaction: dbUserTransaction, i: number) => {
+  await userTransactions.forEach(async (userTransaction: dbUserTransaction, i: number) => {
     const transaction = transactionIndiced[userTransaction.transactionId]
     const finalTransaction = new Transaction()
     finalTransaction.transactionId = transaction.id
@@ -117,6 +117,7 @@ async function calculateAndAddDecayTransactions(
     if (i > 0 || !skipFirstTransaction) {
       finalTransactions.push(finalTransaction)
     }
+    
     if (i === userTransactions.length - 1 && decay) {
       const now = new Date()
       const decay = await calculateDecayWithInterval(
@@ -135,7 +136,6 @@ async function calculateAndAddDecayTransactions(
         finalTransactions.push(decayTransaction)
       }
     }
-    return finalTransactions
   })
 
   return finalTransactions
@@ -176,7 +176,7 @@ export default async function listTransactions(
       user,
       decay,
       skipFirstTransaction,
-    )
+    )    
     if (order === 'DESC') {
       transactions = transactions.reverse()
     }
diff --git a/backend/src/typeorm/entity/TransactionCreation.ts b/backend/src/typeorm/entity/TransactionCreation.ts
index e9efa2e23..4a8bdd571 100644
--- a/backend/src/typeorm/entity/TransactionCreation.ts
+++ b/backend/src/typeorm/entity/TransactionCreation.ts
@@ -27,6 +27,6 @@ export class TransactionCreation extends BaseEntity {
   targetDate: Timestamp
 
   @OneToOne(() => Transaction)
-  @JoinColumn()
+  @JoinColumn({ name: 'transaction_id' })
   transaction: Transaction
 }
diff --git a/backend/src/typeorm/entity/TransactionSendCoin.ts b/backend/src/typeorm/entity/TransactionSendCoin.ts
index 40ceb298b..4054ea755 100644
--- a/backend/src/typeorm/entity/TransactionSendCoin.ts
+++ b/backend/src/typeorm/entity/TransactionSendCoin.ts
@@ -25,6 +25,6 @@ export class TransactionSendCoin extends BaseEntity {
   amount: number
 
   @OneToOne(() => Transaction)
-  @JoinColumn()
+  @JoinColumn({ name: 'transaction_id' })
   transaction: Transaction
 }
diff --git a/backend/src/util/decay.ts b/backend/src/util/decay.ts
index ccb6beeb4..6b07cb35f 100644
--- a/backend/src/util/decay.ts
+++ b/backend/src/util/decay.ts
@@ -21,7 +21,7 @@ async function calculateDecayWithInterval(
   to: number,
 ): Promise<Decay> {
   const decayStartBlock = await Decay.getDecayStartBlock()
-  const result = new Decay()
+  const result = new Decay(undefined)
   result.balance = amount
   result.decayStart = from
   result.decayEnd = from