adjust client difficulty

src/models/validators/bitcoin-address.validator.ts

@@ -0,0 +1,27 @@
+import { validate } from 'bitcoin-address-validation';
+import { registerDecorator, ValidationOptions, ValidatorConstraint, ValidatorConstraintInterface } from 'class-validator';
+
+@ValidatorConstraint({ name: 'bitcoinAddress', async: false })
+export class BitcoinAddress implements ValidatorConstraintInterface {
+    validate(value: string): boolean {
+        // Implement your custom validation logic here
+        return validate(value);
+    }
+
+    defaultMessage(): string {
+        return 'Must be a bitcoin address';
+    }
+}
+
+export function IsBitcoinAddress(validationOptions?: ValidationOptions) {
+    return function (object: Object, propertyName: string) {
+        registerDecorator({
+            name: 'isBitcoinAddress',
+            target: object.constructor,
+            propertyName: propertyName,
+            constraints: [],
+            options: validationOptions,
+            validator: BitcoinAddress,
+        });
+    };
+}