diff --git a/src/contextualizers/heuristics/erc1155Mint/erc1155Mint.ts b/src/contextualizers/heuristics/erc1155Mint/erc1155Mint.ts
index e3594cb7..6c9f82fc 100644
--- a/src/contextualizers/heuristics/erc1155Mint/erc1155Mint.ts
+++ b/src/contextualizers/heuristics/erc1155Mint/erc1155Mint.ts
@@ -88,13 +88,14 @@ export function generate(transaction: Transaction): Transaction {
   const amount = mints.filter((ele) => ele.type === assetTransfer.type).length;
 
   const { erc20Payments, ethPayments } = processAssetTransfers(
+    transaction.netAssetTransfers,
     transaction.assetTransfers,
   );
   const totalERC20Payment: Record<string, ERC20Asset> = computeERC20Price(
     erc20Payments,
-    transaction.from,
+    [transaction.from],
   );
-  const totalETHPayment = computeETHPrice(ethPayments, transaction.from);
+  const totalETHPayment = computeETHPrice(ethPayments, [transaction.from]);
   const hasPrice =
     BigInt(totalETHPayment) > BigInt(0) ||
     Object.keys(totalERC20Payment).length > 0;
diff --git a/src/contextualizers/heuristics/erc1155Purchase/erc1155Purchase.ts b/src/contextualizers/heuristics/erc1155Purchase/erc1155Purchase.ts
index 9912de28..4ec7760b 100644
--- a/src/contextualizers/heuristics/erc1155Purchase/erc1155Purchase.ts
+++ b/src/contextualizers/heuristics/erc1155Purchase/erc1155Purchase.ts
@@ -70,7 +70,7 @@ export function detect(transaction: Transaction): boolean {
 }
 
 function generate(transaction: Transaction): Transaction {
-  if (!transaction.assetTransfers) {
+  if (!transaction.assetTransfers || !transaction.netAssetTransfers) {
     return transaction;
   }
 
@@ -81,13 +81,16 @@ function generate(transaction: Transaction): Transaction {
     receivedNftContracts,
     erc20Payments,
     ethPayments,
-  } = processAssetTransfers(transaction.assetTransfers);
+  } = processAssetTransfers(
+    transaction.netAssetTransfers,
+    transaction.assetTransfers,
+  );
 
   const totalERC20Payment: Record<string, ERC20Asset> = computeERC20Price(
     erc20Payments,
-    transaction.from,
+    [transaction.from],
   );
-  const totalETHPayment = computeETHPrice(ethPayments, transaction.from);
+  const totalETHPayment = computeETHPrice(ethPayments, [transaction.from]);
   const totalAssets = erc20Payments.length + ethPayments.length;
 
   transaction.context = {
diff --git a/src/contextualizers/heuristics/erc721Mint/erc721Mint.ts b/src/contextualizers/heuristics/erc721Mint/erc721Mint.ts
index bdcc2b12..2ec1c069 100644
--- a/src/contextualizers/heuristics/erc721Mint/erc721Mint.ts
+++ b/src/contextualizers/heuristics/erc721Mint/erc721Mint.ts
@@ -86,14 +86,15 @@ export function generate(transaction: Transaction): Transaction {
   const amount = mints.filter((ele) => ele.type === assetTransfer.type).length;
 
   const { erc20Payments, ethPayments } = processAssetTransfers(
+    transaction.netAssetTransfers,
     transaction.assetTransfers,
   );
 
   const totalERC20Payment: Record<string, ERC20Asset> = computeERC20Price(
     erc20Payments,
-    transaction.from,
+    [transaction.from],
   );
-  const totalETHPayment = computeETHPrice(ethPayments, transaction.from);
+  const totalETHPayment = computeETHPrice(ethPayments, [transaction.from]);
   const hasPrice =
     BigInt(totalETHPayment) > BigInt(0) ||
     Object.keys(totalERC20Payment).length > 0;
diff --git a/src/contextualizers/heuristics/erc721Purchase/erc721Purchase.ts b/src/contextualizers/heuristics/erc721Purchase/erc721Purchase.ts
index 00fa0fcd..33b4564f 100644
--- a/src/contextualizers/heuristics/erc721Purchase/erc721Purchase.ts
+++ b/src/contextualizers/heuristics/erc721Purchase/erc721Purchase.ts
@@ -71,7 +71,7 @@ export function detect(transaction: Transaction): boolean {
 }
 
 export function generate(transaction: Transaction): Transaction {
-  if (!transaction.assetTransfers) {
+  if (!transaction.assetTransfers || !transaction.netAssetTransfers) {
     return transaction;
   }
 
@@ -82,14 +82,19 @@ export function generate(transaction: Transaction): Transaction {
     receivedNftContracts,
     erc20Payments,
     ethPayments,
-  } = processAssetTransfers(transaction.assetTransfers);
+  } = processAssetTransfers(
+    transaction.netAssetTransfers,
+    transaction.assetTransfers,
+  );
 
   const totalERC20Payment: Record<string, ERC20Asset> = computeERC20Price(
     erc20Payments,
-    transaction.from,
+    receivingAddresses,
   );
-  const totalETHPayment = computeETHPrice(ethPayments, transaction.from);
-  const totalAssets = erc20Payments.length + ethPayments.length;
+  const totalETHPayment = computeETHPrice(ethPayments, receivingAddresses);
+  const totalAssets =
+    Object.keys(totalERC20Payment).length +
+    (totalETHPayment > BigInt(0) ? 1 : 0);
 
   transaction.context = {
     variables: {
@@ -171,13 +176,6 @@ export function generate(transaction: Transaction): Transaction {
     },
   };
 
-  if (
-    transaction.hash ===
-    '0x25589b7a2ac724d087243c486ea57a27c02e50954c58c6e2b2ce55ad4a67f104'
-  ) {
-    console.log('receivedNfts', receivedNfts);
-  }
-
   if (receivedNfts.length > 1) {
     transaction.context.variables = {
       ...transaction.context.variables,
diff --git a/src/helpers/utils.ts b/src/helpers/utils.ts
index f76e3f6c..6efe1b3a 100644
--- a/src/helpers/utils.ts
+++ b/src/helpers/utils.ts
@@ -21,8 +21,6 @@ import {
   ERC1155Asset,
   AssetTransfer,
   ETHAssetTransfer,
-  ERC721AssetTransfer,
-  ERC1155AssetTransfer,
   ERC20AssetTransfer,
 } from '../types';
 
@@ -97,12 +95,15 @@ export function decodeLog<TAbi extends Abi>(
   }
 }
 
-export function processNetAssetTransfers(netAssetTransfers: NetAssetTransfers) {
+export function processAssetTransfers(
+  netAssetTransfers: NetAssetTransfers,
+  assetTransfers: AssetTransfer[],
+) {
   const receivingAddresses: string[] = [];
   const sendingAddresses: string[] = [];
   let receivedNfts: (ERC721Asset | ERC1155Asset)[] = [];
-  let erc20Payments: ERC20Asset[] = [];
-  let ethPayments: ETHAsset[] = [];
+  const erc20Payments: ERC20AssetTransfer[] = [];
+  const ethPayments: ETHAssetTransfer[] = [];
 
   Object.entries(netAssetTransfers).forEach(([address, data]) => {
     const nftsReceived = data.received.filter((t) =>
@@ -111,12 +112,6 @@ export function processNetAssetTransfers(netAssetTransfers: NetAssetTransfers) {
     const nftsSent = data.sent.filter((t) =>
       [AssetType.ERC1155, AssetType.ERC721].includes(t.type),
     ) as (ERC721Asset | ERC1155Asset)[];
-    const erc20PaymentTransfers = data.sent.filter(
-      (t) => t.type === AssetType.ERC20,
-    ) as ERC20Asset[];
-    const ethPaymentTransfers = data.sent.filter(
-      (t) => t.type === AssetType.ETH,
-    ) as ETHAsset[];
 
     if (nftsReceived.length > 0) {
       receivingAddresses.push(address);
@@ -125,65 +120,9 @@ export function processNetAssetTransfers(netAssetTransfers: NetAssetTransfers) {
     if (nftsSent.length > 0 && !sendingAddresses.includes(address)) {
       sendingAddresses.push(address);
     }
-    if (erc20PaymentTransfers.length > 0) {
-      erc20Payments = [
-        ...erc20Payments,
-        ...erc20PaymentTransfers.map((payment) => ({
-          type: payment.type,
-          contract: payment.contract,
-          value: payment.value,
-        })),
-      ];
-    }
-    if (ethPaymentTransfers.length > 0) {
-      ethPayments = [
-        ...ethPayments,
-        ...ethPaymentTransfers.map((payment) => ({
-          type: payment.type,
-          value: payment.value,
-        })),
-      ];
-    }
   });
 
-  return {
-    receivingAddresses,
-    sendingAddresses,
-    erc20Payments,
-    ethPayments,
-    receivedNfts,
-    receivedNftContracts: Array.from(
-      new Set(receivedNfts.map((x) => x.contract)),
-    ),
-  };
-}
-
-export function processAssetTransfers(assetTransfers: AssetTransfer[]) {
-  const receivingAddresses: string[] = [];
-  const sendingAddresses: string[] = [];
-  const receivedNfts: (ERC721AssetTransfer | ERC1155AssetTransfer)[] = [];
-  const erc20Payments: ERC20AssetTransfer[] = [];
-  const ethPayments: ETHAssetTransfer[] = [];
-
   for (const assetTransfer of assetTransfers) {
-    if (
-      assetTransfer.type === AssetType.ERC1155 ||
-      assetTransfer.type === AssetType.ERC721
-    ) {
-      receivingAddresses.push(assetTransfer.to);
-      sendingAddresses.push(assetTransfer.from);
-      if (
-        !receivedNfts.find(
-          (x) =>
-            x.contract === assetTransfer.contract &&
-            x.tokenId === assetTransfer.tokenId,
-        )
-      ) {
-        receivedNfts.push(
-          assetTransfer as ERC721AssetTransfer | ERC1155AssetTransfer,
-        );
-      }
-    }
     if (assetTransfer.type === AssetType.ERC20) {
       erc20Payments.push(assetTransfer);
     }
@@ -206,10 +145,10 @@ export function processAssetTransfers(assetTransfers: AssetTransfer[]) {
 
 export function computeETHPrice(
   ethPayments: ETHAssetTransfer[],
-  address: string,
+  addresses: string[],
 ) {
   return ethPayments
-    .filter((ethPayment) => ethPayment.from === address)
+    .filter((ethPayment) => addresses.includes(ethPayment.from))
     .reduce((acc, next) => {
       acc = BigInt(acc) + BigInt(next.value);
       return acc;
@@ -218,10 +157,10 @@ export function computeETHPrice(
 
 export function computeERC20Price(
   erc20Payments: ERC20AssetTransfer[],
-  address: string,
+  addresses: string[],
 ) {
   return erc20Payments
-    .filter((erc20Payment) => erc20Payment.from === address)
+    .filter((erc20Payment) => addresses.includes(erc20Payment.from))
     .reduce((acc, next) => {
       acc[next.contract] = {
         id: next.contract,