For catchall context if there is 1 erc20 and some eth

src/contextualizers/catchall/catchall.spec.ts

@@ -10,6 +10,7 @@ import catchall0x6331ce46 from '../test/transactions/catchall-0x6331ce46.json';
 import catchall0xdfdb78fd from '../test/transactions/catchall-0xdfdb78fd.json';
 import catchall0x80c1b6eb from '../test/transactions/catchall-0x80c1b6eb.json';
 import catchall0x26f6c382 from '../test/transactions/catchall-0x26f6c382.json';
+import catchall0x27cdbe9f from '../test/transactions/catchall-0x27cdbe9f.json';
 
 describe('catchall', () => {
   it('Should detect catchall transaction', () => {
@@ -98,5 +99,19 @@ describe('catchall', () => {
     expect(desc9).toBe(
       '0x4337003fcd2f56de3977ccb806383e9161628d0e INTERACTED_WITH 0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789 and 171.202858968251372 ETH was transferred',
     );
+    // 1 ERC20
+    const txResult10 = generate(catchall0x27cdbe9f as unknown as Transaction);
+    const variables10 = txResult10.context?.variables;
+    expect(variables10?.totalEth['type']).toBe('eth');
+    expect(variables10?.totalEth['value']).toBe('17230758755630');
+    expect(variables10?.totalERC20s['type']).toBe('erc20');
+    expect(variables10?.totalERC20s['token']).toBe(
+      '0x833589fcd6edb6e08f4c7c32d4f71b54bda02913',
+    );
+    expect(variables10?.totalERC20s['value']).toBe('10991363');
+    const desc10 = contextSummary(txResult10.context);
+    expect(desc10).toBe(
+      '0x433702256b464248dcbe403c1334757be4ed9f26 INTERACTED_WITH 0x5ff137d4b0fdcd49dca30c7cf57e578a026d2789 and 10991363 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 and 0.00001723075875563 ETH were transferred',
+    );
   });
 });

src/contextualizers/catchall/catchall.ts

@@ -70,6 +70,7 @@ export function generate(transaction: Transaction): Transaction {
 
   const nftAssets = new Set();
   const tokenAssets = new Set();
+  const tokenTransfers: ERC20Asset[] = [];
   const ethTransfers: ETHAsset[] = [];
   Object.keys(transaction.netAssetTransfers).forEach((address) => {
     const sentAssets = transaction.netAssetTransfers
@@ -83,6 +84,7 @@ export function generate(transaction: Transaction): Transaction {
           break;
         case 'erc20':
           tokenAssets.add(assetTransfer.contract);
+          tokenTransfers.push(assetTransfer);
           break;
         case 'eth':
           ethTransfers.push(assetTransfer);
@@ -148,12 +150,19 @@ export function generate(transaction: Transaction): Transaction {
     const unit = tokenAssets.size > 1 ? 'ERC20s' : 'ERC20';
     assetAmount += tokenAssets.size;
 
-    variables['totalERC20s'] = {
-      type: 'number',
-      value: tokenAssets.size,
-      unit,
-      emphasis: true,
-    };
+    variables['totalERC20s'] =
+      tokenAssets.size > 1
+        ? {
+            type: 'number',
+            value: tokenAssets.size,
+            unit,
+            emphasis: true,
+          }
+        : {
+            type: AssetType.ERC20,
+            token: tokenTransfers[0].contract,
+            value: tokenTransfers[0].value,
+          };
     desc += 'and[[totalERC20s]]';
   }
   if (ethTransfers.length > 0) {