diff --git a/src/modes/interOrderbook.ts b/src/modes/interOrderbook.ts
index e2368370..68239c97 100644
--- a/src/modes/interOrderbook.ts
+++ b/src/modes/interOrderbook.ts
@@ -3,7 +3,7 @@ import { BaseError, PublicClient } from "viem";
 import { getBountyEnsureBytecode } from "../config";
 import { BigNumber, Contract, ethers } from "ethers";
 import { containsNodeError, errorSnapshot } from "../error";
-import { estimateProfit, scale18To, withBigintSerializer } from "../utils";
+import { estimateProfit, ONE18, scale18To, withBigintSerializer } from "../utils";
 import { BotConfig, BundledOrders, ViemClient, DryrunResult, SpanAttrs } from "../types";
 
 /**
@@ -45,9 +45,7 @@ export async function dryrun({
     const opposingMaxInput = orderPairObject.takeOrders[0].quote!.ratio.isZero()
         ? ethers.constants.MaxUint256
         : scale18To(
-              maximumInputFixed
-                  .mul(orderPairObject.takeOrders[0].quote!.ratio)
-                  .div(`1${"0".repeat(18)}`),
+              maximumInputFixed.mul(orderPairObject.takeOrders[0].quote!.ratio).div(ONE18),
               orderPairObject.buyTokenDecimals,
           );
 
@@ -70,7 +68,7 @@ export async function dryrun({
     ]);
     const takeOrdersConfigStruct = {
         minimumInput: ethers.constants.One,
-        maximumInput,
+        maximumInput: ethers.constants.MaxUint256,
         maximumIORatio: ethers.constants.MaxUint256,
         orders: [orderPairObject.takeOrders[0].takeOrder],
         data: ethers.utils.defaultAbiCoder.encode(
diff --git a/src/modes/routeProcessor.ts b/src/modes/routeProcessor.ts
index 11af85a4..1b780683 100644
--- a/src/modes/routeProcessor.ts
+++ b/src/modes/routeProcessor.ts
@@ -62,6 +62,9 @@ export async function dryrun({
         spanAttributes,
     };
 
+    // determines if amount is partial derived from binary search or not
+    const isPartial = !orderPairObject.takeOrders[0].quote!.maxOutput.eq(maximumInputFixed);
+
     const maximumInput = scale18To(maximumInputFixed, orderPairObject.sellTokenDecimals);
     spanAttributes["amountIn"] = ethers.utils.formatUnits(maximumInputFixed);
 
@@ -135,7 +138,7 @@ export async function dryrun({
 
         const takeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput,
+            maximumInput: isPartial ? maximumInput : ethers.constants.MaxUint256,
             maximumIORatio: config.maxRatio ? ethers.constants.MaxUint256 : price,
             orders,
             data: ethers.utils.defaultAbiCoder.encode(["bytes"], [rpParams.routeCode]),
diff --git a/test/e2e/data.js b/test/e2e/data.js
index 8deebba9..c088bb7a 100644
--- a/test/e2e/data.js
+++ b/test/e2e/data.js
@@ -82,13 +82,8 @@ module.exports = [
             "0x51cD71ec61487A3359993922A5BBac294934A628",
             "0x2e574D0802F433E71F7dC91650aB2C23aDeb0D81",
         ],
-        [
-            LiquidityProviders.Enosys,
-            LiquidityProviders.BlazeSwap,
-            LiquidityProviders.SparkDexV2,
-            LiquidityProviders.SparkDexV3,
-        ],
-        ["1", "100", "100", "100"],
+        [LiquidityProviders.Enosys, LiquidityProviders.SparkDexV2, LiquidityProviders.SparkDexV3],
+        ["1", "100", "100"],
     ],
     [
         ChainId.ETHEREUM,
diff --git a/test/findOpp.test.js b/test/findOpp.test.js
index 27e14227..c03f5ca5 100644
--- a/test/findOpp.test.js
+++ b/test/findOpp.test.js
@@ -75,7 +75,7 @@ describe("Test find opp", async function () {
         });
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [orderPairObject.takeOrders[0].takeOrder],
             data: expectedRouteData,
@@ -169,7 +169,7 @@ describe("Test find opp", async function () {
         ]);
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [orderPairObject.takeOrders[0].takeOrder],
             data: ethers.utils.defaultAbiCoder.encode(
diff --git a/test/mode-interOrderbook.test.js b/test/mode-interOrderbook.test.js
index 24ac4a2d..10925f23 100644
--- a/test/mode-interOrderbook.test.js
+++ b/test/mode-interOrderbook.test.js
@@ -69,7 +69,7 @@ describe("Test inter-orderbook dryrun", async function () {
         ]);
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [orderPairObject.takeOrders[0].takeOrder],
             data: ethers.utils.defaultAbiCoder.encode(
@@ -204,7 +204,7 @@ describe("Test inter-orderbook find opp", async function () {
         ]);
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [orderPairObject.takeOrders[0].takeOrder],
             data: ethers.utils.defaultAbiCoder.encode(
@@ -295,7 +295,7 @@ describe("Test inter-orderbook find opp", async function () {
             ]);
             const expectedTakeOrdersConfigStruct = {
                 minimumInput: ethers.constants.One,
-                maximumInput: vaultBalance,
+                maximumInput: ethers.constants.MaxUint256,
                 maximumIORatio: ethers.constants.MaxUint256,
                 orders: [orderPairObject.takeOrders[0].takeOrder],
                 data: ethers.utils.defaultAbiCoder.encode(
diff --git a/test/mode-routeProcessor.test.js b/test/mode-routeProcessor.test.js
index 1dbdce30..be30c5d8 100644
--- a/test/mode-routeProcessor.test.js
+++ b/test/mode-routeProcessor.test.js
@@ -73,7 +73,7 @@ describe("Test route processor dryrun", async function () {
         });
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [orderPairObject.takeOrders[0].takeOrder],
             data: expectedRouteData,
@@ -190,7 +190,7 @@ describe("Test route processor dryrun", async function () {
         } catch (error) {
             const expectedTakeOrdersConfigStruct = {
                 minimumInput: ethers.constants.One,
-                maximumInput: vaultBalance,
+                maximumInput: ethers.constants.MaxUint256,
                 maximumIORatio: ethers.constants.MaxUint256,
                 orders: [orderPairObject.takeOrders[0].takeOrder],
                 data: expectedRouteData,
@@ -274,7 +274,7 @@ describe("Test route processor find opp", async function () {
         });
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [orderPairObject.takeOrders[0].takeOrder],
             data: expectedRouteData,
@@ -440,7 +440,7 @@ describe("Test route processor find opp", async function () {
         } catch (error) {
             const expectedTakeOrdersConfigStruct = {
                 minimumInput: ethers.constants.One,
-                maximumInput: vaultBalance,
+                maximumInput: ethers.constants.MaxUint256,
                 maximumIORatio: ethers.constants.MaxUint256,
                 orders: [orderPairObject.takeOrders[0].takeOrder],
                 data: expectedRouteData,
@@ -555,7 +555,7 @@ describe("Test find opp with retries", async function () {
         });
         const expectedTakeOrdersConfigStruct = {
             minimumInput: ethers.constants.One,
-            maximumInput: vaultBalance,
+            maximumInput: ethers.constants.MaxUint256,
             maximumIORatio: ethers.constants.MaxUint256,
             orders: [
                 orderPairObject.takeOrders[0].takeOrder,
@@ -638,7 +638,7 @@ describe("Test find opp with retries", async function () {
         } catch (error) {
             const expectedTakeOrdersConfigStruct = {
                 minimumInput: ethers.constants.One,
-                maximumInput: vaultBalance,
+                maximumInput: ethers.constants.MaxUint256,
                 maximumIORatio: ethers.constants.MaxUint256,
                 orders: [orderPairObject.takeOrders[0].takeOrder],
                 data: expectedRouteData,
diff --git a/test/processPair.test.js b/test/processPair.test.js
index 952c46a9..a0da30e2 100644
--- a/test/processPair.test.js
+++ b/test/processPair.test.js
@@ -512,7 +512,7 @@ describe("Test process pair", async function () {
         } catch (error) {
             const expectedTakeOrdersConfigStruct = {
                 minimumInput: ethers.constants.One,
-                maximumInput: vaultBalance,
+                maximumInput: ethers.constants.MaxUint256,
                 maximumIORatio: ethers.constants.MaxUint256,
                 orders: [orderPairObject.takeOrders[0].takeOrder],
                 data: expectedRouteData,
@@ -706,7 +706,7 @@ describe("Test process pair", async function () {
         } catch (error) {
             const expectedTakeOrdersConfigStruct = {
                 minimumInput: ethers.constants.One,
-                maximumInput: vaultBalance,
+                maximumInput: ethers.constants.MaxUint256,
                 maximumIORatio: ethers.constants.MaxUint256,
                 orders: [orderPairObject.takeOrders[0].takeOrder],
                 data: expectedRouteData,