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Low 38 Monero

CW1612: AnyPay Service Layer (#3516)

Public commit record

What the developer wrote

Authored by David Adegoke

76/100 · Adequate
CW1612: AnyPay Service Layer (#3516)

* fix android CI

* feat: add anypay core models, parser and routing engine

* feat: add anypay resolver, anypay service and wallet switch service

* refactor: route the send page payment flow through anypay service

* fix: show message when there's no swap providers for a pair and reset the trade guard on dismissal

* refactor: merge the swap from network and send to network decision pages together and clean up anypay widgets

* feat: reapply deep links to a currently open send flow and register the solana scheme

* feat: add support for zcash address detection to anypay and other minor fixes

* refactor: remove trailing icon

* feat: hide swap flow for sp and mweb addresses

* feat: enhance zcash address detection and deeplink handling

* fix: pin bitcoin_base

* refactor: Move the anypay decision navigation out of the send page and address minor review comments

* refactor: Move the anypay decision navigation out of the send page and address minor review comments

* feat: handle exception in switch service and mvoe balance compute to call site

* refactor: combine anypay entry points to one and extract selected mode widget

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Co-authored-by: Czarek Nakamoto <cyjan@mrcyjanek.net>
✓ Descriptive subject✓ Names a concrete action or component✓ Provides detailed explanatory context✓ Links an issue, advisory, or supporting reference
The short version

What changed, and why it matters

This is a large feature commit that introduces a new 'AnyPay' service layer for routing cryptocurrency payments and swaps inside Cake Wallet. It refactors how the app parses payment requests, detects recipient networks, switches wallets, and handles deep links. The changes are mostly architectural and user-facing, but because they touch sensitive flows such as wallet switching, address parsing, and cross-chain swaps, they could introduce security bugs if the new routing logic makes incorrect decisions. The commit does not appear to be a disclosed security fix, and no CVE or vendor security statement is present.

Recommended action

Treat this as a high-touch refactor of payment-critical code. Review the AnyPay routing decisions against a matrix of wallet types, chains, and URI schemes; verify that fallback paths cannot be abused to send funds to the wrong network or wallet; test deep-link re-application under race conditions; and confirm that wallet switching failures are handled safely without leaving the user on an unintended wallet/chain. No immediate patch is indicated, but regression and security testing is warranted before release.

Security signals we found

01

New automatic wallet switching and chain selection logic in AnyPayService and WalletSwitchService

02

Address/network detection now centralised in AnyPayRouter/AnyPayResolver with fallback behaviours

03

Deep links can re-apply to an open send flow, including popping navigation

04

Swap flow receives recipient address and currency from parsed payment request

05

Broad exception catch in AnyPayService._evaluate falls back to applying request to current wallet

06

bitcoin_base dependency pinned to a specific commit hash

07

New Solana URL scheme handlers registered in Android manifest and iOS plist

Risk score

Why this scored 38/100

Our methodology →
Potential impact 8/30
Exploitability 7/25
Stealth signal 6/15
Affected reach 9/15
Confidence 5/10
Evidence quality 3/5
Human-validated context

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