Nft purchase bulk not detected

src/heuristics/erc721Purchase.spec.ts

@@ -1,7 +1,11 @@
 import { Transaction } from '../types';
-import { detectERC721Purchase } from './erc721Purchase';
+import {
+  detectERC721Purchase,
+  generateERC21PurchaseContext,
+} from './erc721Purchase';
 import erc721Purchase0x2558f104 from '../test/transactions/erc721Purchase-0x2558f104.json';
 import erc721Purchase0x05b8cee6 from '../test/transactions/erc721Purchase-0x05b8cee6.json';
+import erc721Purchase0xdeba4248 from '../test/transactions/erc721Purchase-0xdeba4248.json';
 
 describe('ERC721 Purchase', () => {
   it('Should detect ERC721 Purchase transaction', () => {
@@ -14,5 +18,16 @@ describe('ERC721 Purchase', () => {
       erc721Purchase0x05b8cee6 as Transaction,
     );
     expect(isERC721Purchase2).toBe(true);
+    const isERC721Purchase3 = detectERC721Purchase(
+      erc721Purchase0xdeba4248 as Transaction,
+    );
+    expect(isERC721Purchase3).toBe(true);
+  });
+
+  it('Should create ERC721 Purchase context', () => {
+    const result1 = generateERC21PurchaseContext(
+      erc721Purchase0xdeba4248 as Transaction,
+    );
+    expect(result1.context.summaries.en.title).toBe('NFT Purchase');
   });
 });

src/heuristics/erc721Purchase.ts

@@ -48,7 +48,9 @@ export function detectERC721Purchase(transaction: Transaction): boolean {
   return false;
 }
 
-function generateERC21PurchaseContext(transaction: Transaction): Transaction {
+export function generateERC21PurchaseContext(
+  transaction: Transaction,
+): Transaction {
   const receivingAddresses: string[] = [];
   const receivedNfts: Asset[] = [];
   const sentPayments: { type: string; asset: string; value: string }[] = [];
@@ -106,30 +108,30 @@ function generateERC21PurchaseContext(transaction: Transaction): Transaction {
               tokenId: receivedNfts[0].tokenId,
             }
           : receivedNftContracts.length === 1
-          ? {
-              type: 'address',
-              value: receivedNftContracts[0],
-            }
-          : {
-              type: 'emphasis',
-              value: `${receivedNfts.length} NFTs`,
-            },
+            ? {
+                type: 'address',
+                value: receivedNftContracts[0],
+              }
+            : {
+                type: 'emphasis',
+                value: `${receivedNfts.length} NFTs`,
+              },
       price:
         totalPayments.length > 1
           ? {
               type: 'emphasis',
               value: `${totalPayments.length} Assets`,
             }
           : totalPayments[0].type === 'eth'
-          ? {
-              type: 'eth',
-              value: totalPayments[0].value,
-            }
-          : {
-              type: 'erc20',
-              token: totalPayments[0].asset,
-              value: totalPayments[0].value,
-            },
+            ? {
+                type: 'eth',
+                value: totalPayments[0].value,
+              }
+            : {
+                type: 'erc20',
+                token: totalPayments[0].asset,
+                value: totalPayments[0].value,
+              },
     },
     summaries: {
       category: 'NFT',

src/heuristics/tokenAirdrop.ts

@@ -67,6 +67,9 @@ function generateTokenAirdropContext(transaction: Transaction): Transaction {
     value: firstAssetTransfer.value,
   };
 
+  const category =
+    firstAssetTransfer.type === 'erc721' ? 'NFT' : 'FUNGIBLE_TOKEN';
+
   transaction.context = {
     variables: {
       recipient:
@@ -103,7 +106,7 @@ function generateTokenAirdropContext(transaction: Transaction): Transaction {
             },
     },
     summaries: {
-      category: 'FUNGIBLE_TOKEN',
+      category,
       en: {
         title: 'Token Airdrop',
         default: `[[recipient]] [[receivedAirdrop]] [[token]]${