Merge pull request #4389 from ncois/fix-p2pk-balance

Fix P2PK balance display in address page (duplicate)

contributors/ncois.txt

@@ -0,0 +1,3 @@
+I hereby accept the terms of the Contributor License Agreement in the CONTRIBUTING.md file of the mempool/mempool git repository as of November 16, 2023.
+
+Signed: ncois

frontend/src/app/components/transactions-list/transactions-list.component.ts

@@ -156,6 +156,33 @@ export class TransactionsListComponent implements OnInit, OnChanges {
         }
 
         if (this.address) {
+          const isP2PKUncompressed = this.address.length === 130;
+          const isP2PKCompressed = this.address.length === 66;
+          if (isP2PKCompressed) {
+            const addressIn = tx.vout
+              .filter((v: Vout) => v.scriptpubkey === '21' + this.address + 'ac')
+              .map((v: Vout) => v.value || 0)
+              .reduce((a: number, b: number) => a + b, 0);
+
+            const addressOut = tx.vin
+              .filter((v: Vin) => v.prevout && v.prevout.scriptpubkey === '21' + this.address + 'ac')
+              .map((v: Vin) => v.prevout.value || 0)
+              .reduce((a: number, b: number) => a + b, 0);
+
+            tx['addressValue'] = addressIn - addressOut;
+          } else if (isP2PKUncompressed) {
+            const addressIn = tx.vout
+              .filter((v: Vout) => v.scriptpubkey === '41' + this.address + 'ac')
+              .map((v: Vout) => v.value || 0)
+              .reduce((a: number, b: number) => a + b, 0);
+
+            const addressOut = tx.vin
+              .filter((v: Vin) => v.prevout && v.prevout.scriptpubkey === '41' + this.address + 'ac')
+              .map((v: Vin) => v.prevout.value || 0)
+              .reduce((a: number, b: number) => a + b, 0);
+
+            tx['addressValue'] = addressIn - addressOut;
+          } else {
             const addressIn = tx.vout
               .filter((v: Vout) => v.scriptpubkey_address === this.address)
               .map((v: Vout) => v.value || 0)
@@ -168,6 +195,7 @@ export class TransactionsListComponent implements OnInit, OnChanges {
 
             tx['addressValue'] = addressIn - addressOut;
           }
+        }
 
         this.priceService.getBlockPrice$(tx.status.block_time).pipe(
           tap((price) => tx['price'] = price)