diff --git a/package-lock.json b/package-lock.json
index b16089f..74382d0 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.19.89-rc11",
+  "version": "0.19.89-rc12",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.19.89-rc11",
+      "version": "0.19.89-rc12",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
diff --git a/package.json b/package.json
index dc30e31..ab14ecd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.19.89-rc11",
+  "version": "0.19.89-rc12",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/constants/index.ts b/src/constants/index.ts
index efe47f0..1651be1 100644
--- a/src/constants/index.ts
+++ b/src/constants/index.ts
@@ -12,3 +12,4 @@ export * from './gasLimits.js';
 export * from './timings.js';
 
 export const SERVICE_TOKEN = 'ORN';
+export const INITIAL_VEORN_ADJUSTMENT_FACTOR = 5;
diff --git a/src/services/BlockchainService/index.ts b/src/services/BlockchainService/index.ts
index 6c43a0a..e301615 100644
--- a/src/services/BlockchainService/index.ts
+++ b/src/services/BlockchainService/index.ts
@@ -61,8 +61,8 @@ type AtomicSwapHistoryTargetQuery = AtomicSwapHistoryBaseQuery & {
 }
 
 type PlatformFees = {
-  assetIn: string
-  assetOut: string
+  assetIn?: string // TODO: return types from main branch
+  assetOut?: string
   walletAddress?: string | undefined
   fromWidget?: string | undefined
 }
@@ -247,8 +247,13 @@ class BlockchainService {
   ) => {
     const url = new URL(`${this.apiUrl}/api/platform-fees`);
 
-    url.searchParams.append('assetIn', assetIn);
-    url.searchParams.append('assetOut', assetOut);
+    if (assetIn !== undefined) { // TODO: make same as in main branch
+      url.searchParams.append('assetIn', assetIn);
+    }
+
+    if (assetOut !== undefined) {
+      url.searchParams.append('assetOut', assetOut);
+    }
 
     if (walletAddress !== undefined) {
       url.searchParams.append('walletAddress', walletAddress);
diff --git a/src/services/Integrator/index.ts b/src/services/Integrator/index.ts
index 8f06bfd..4b050ed 100644
--- a/src/services/Integrator/index.ts
+++ b/src/services/Integrator/index.ts
@@ -9,7 +9,7 @@ import {
 } from './schemas/index.js';
 import { fetchWithValidation } from 'simple-typed-fetch';
 import { BigNumber } from 'bignumber.js';
-import { DAY, LOCK_START_TIME, YEAR } from '../../constants/index.js';
+import { DAY, INITIAL_VEORN_ADJUSTMENT_FACTOR, LOCK_START_TIME, YEAR } from '../../constants/index.js';
 
 type BasePayload = {
   chainId: number
@@ -109,7 +109,7 @@ class IntegratorService {
     })
   }
 
-  getAmountAtCurrent = (amount: number) => {
+  getAmountAtCurrent = async (amount: number) => {
     const timestamp = Date.now() / 1000;
 
     // sqrt
@@ -191,7 +191,7 @@ class IntegratorService {
     }
 
     // sqrt
-    return BigNumber(amountToken).multipliedBy(BigNumber(deltaDays).sqrt()).dividedBy(5);
+    return BigNumber(amountToken).multipliedBy(BigNumber(deltaDays).sqrt()).dividedBy(INITIAL_VEORN_ADJUSTMENT_FACTOR);
   }
 
   private readonly getVotingInfo = (userAddress: number) => {