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* feat(evm): add ChainConfig model and related classes - Add ChainConfig class for immutable EVM chain configuration - Add ChainCapabilities class for chain feature flags - Add FeeType enum and FeeModel class for fee configuration * feat(evm): add EvmChainRegistry for centralized chain management - Add singleton EvmChainRegistry class with chain configuration storage - Initialize with Ethereum, Polygon, Base, and Arbitrum chains - Add mappings for WalletType, tag, and CAIP-2 to chainId lookups - Provide lookup methods for chain configurations by various identifiers - Support for querying available chains and registered chain IDs * feat(evm): add EVMChainClientFactory and consolidate chain clients - Create EVMChainClientFactory for creating chain-specific clients based on chainId - Move all chain clients (EthereumClient, PolygonClient, BaseClient, ArbitrumClient) into cw_evm/lib/clients/ folder - Refactor EVMChainClient from abstract to concrete class with default implementations - Add default implementations for fetchTransactions, fetchInternalTransactions, and prepareSignedTransactionForSending - Update all client classes to use super(chainId: X) constructor pattern - Factory returns EVMChainClient directly for unregistered chains instead of throwing - Remove dependencies on cw_ethereum, cw_polygon, cw_base, cw_arbitrum packages from pubspec.yaml - Consolidate all EVM chain client implementations in one location for easier maintenance * add ui for evm switcher on eth * add inputs for evm network list edit switches * refactor(evm): Make EVMChainWallet concrete and unify transaction classes - Make EVMChainWallet and EVMChainWalletBase concrete classes (removed abstract) - Implement all previously abstract methods in EVMChainWallet - Make EVMChainTransactionInfo and EVMChainTransactionHistory concrete - Reorganize default tokens into tokens/ folder: - Refactor EVMChainDefaultTokens to import and use token classes from tokens/ folder - Move clients to clients/ folder: - Move evm_chain_formatter.dart to utils - Update chain-specific transaction history classes to pass walletType to fromJson - Update old wallet classes (EthereumWallet, PolygonWallet, etc.) to pass walletType - Maintain compatibility with existing per-chain wallet classes This refactoring enables the unified EVMChainWallet architecture while maintaining full backward compatibility with existing per-chain wallet implementations. * feat(evm): Add chain selection capability to EVMChainWallet - Add selectedChainId observable field to track currently selected chain - Add selectChain(chainId) action method to switch between EVM chains - Add selectedChainConfig computed getter for accessing chain configuration - Initialize selectedChainId from client.chainId in constructor - Add _getClientForCurrentChain() helper method for future use This enables chain switching functionality while maintaining full backward compatibility. The selectedChainId is initialized from the existing client, and all existing methods continue to work unchanged. Future increments will update methods to use selectedChainId internally. * refactor(evm): Update client immediately on chain selection - Update selectChain() to immediately create new client for selected chain - Remove _getClientForCurrentChain() helper method - Simplify all methods to use _client directly instead of helper calls - Client is now always in sync with selectedChainId This improves code simplicity and performance by eliminating repeated client checks. The client is updated synchronously when selectChain() is called, ensuring state consistency. * featr(evm): Add unified evm proxy setup and fix chain initialization - Add unified Evm proxy - Add evm.dart to .gitignore for generated proxy - Add generateEVM() to configure.dart for proxy generation - Fix selectedChainId to initialize from registry based on walletInfo.type Ensures selectedChainId always matches wallet type on initialization and adds unified proxy infrastructure. * refactor(evm): Update backward compat helpers to use registry via proxy - Add registry helper methods to unified EVM proxy - Update all lib/ files to use proxy instead of direct cw_evm imports - Enforce proxy pattern: no direct imports from cw_evm in main app - Update configure.dart to include registry methods in generated proxy Maintains backward compatibility while centralizing chain data access through the unified proxy pattern. * feat(evm): Add chain selection UI to dashboard - Add chain selection methods to DashboardViewModel (isEVMWallet, availableChains, currentChain, selectChain) - Add chain dropdown widget to balance page for EVM wallets - Dropdown shows current chain and allows switching between all registered EVM chains - Only visible for EVM-compatible wallets - Add chain selection methods to EVM proxy (getAllChains, getCurrentChain, selectChain) Users can now switch between EVM chains (Ethereum, Polygon, Base, Arbitrum) directly from the dashboard without creating separate wallets. All chain-related code follows the established proxy pattern. * feat(evm): Add persistence for selected chain ID - Add initialChainId parameter to EVMChainWallet constructor - Save selectedChainId to wallet JSON in toJSON() method - Load selectedChainId from JSON in open() method - Handle backward compatibility: wallets without saved chain ID use wallet type's default chain ID - Client is created with saved chain ID when opening wallet Selected chain preference is now persisted across app sessions. Users will see their previously selected chain when reopening wallets. * chore: Minor cleanup * refactor(evm): Remove old per-chain packages, consolidate to unified cw_evm - Delete cw_ethereum, cw_polygon, cw_base, cw_arbitrum packages - Remove old proxy files (lib/ethereum/, lib/polygon/, lib/base/, lib/arbitrum/) - Update all view models to use unified evm! proxy - Move DEuro functionality to cw_evm/lib/deuro/ - Remove dependencies from pubspec.yaml and configure.dart - Remove walletType parameter from EVM proxy methods All EVM chains now use unified cw_evm package through single proxy interface. lib/ only depends on cw_evm, simplifying architecture and enabling easy addition of new L2 chains. BREAKING CHANGE: Old per-chain packages removed * refactor(evm): Update wallet handling to use unified EVM proxy - Replace individual chain imports (Ethereum, Polygon, Base, Arbitrum) with a single EVM proxy import. - Refactor wallet-related methods across various view models to utilize the new evm proxy for various usecases. This change enhances code maintainability and prepares the codebase for the addition of new EVM chains. * refactor(evm): Update model generator and enhance EVM classes - Modify model_generator.sh to remove previous chain folders from the loop. - Change EVMChainTransactionHistoryBase and EVMChainWalletBase classes to be abstract. - Update import paths in configure.dart to reflect the new structure of the cw_evm package. * add evm switcher icons to pubspec_base * change evm switcher to sliding animation * formatting fix * dpi agnostic width * feat(evm): Enhance chain handling and transaction history management - Introduce getCurrentChainId function to EVMChainTransactionHistoryBase for dynamic transaction history file naming based on the current chain ID. - Update EVMChainTransactionInfo to include chainId, ensuring accurate transaction data representation. - Refactor EVMChainWalletBase to support automatic node connection and transaction history loading upon chain selection. - Implement saveBackup and restoreWalletFilesFromBackup methods in EVMChainWalletService to manage wallet backups based on wallet type. - Update various methods across the codebase to accommodate the new chain handling logic, improving overall functionality and user experience. * chore: Cleanups and updates * feat: add WalletType.evm and deprecate individual EVM chain types Add unified WalletType.evm enum value for all EVM-compatible chains. Deprecate old individual EVM types (ethereum, polygon, base, arbitrum) with guidance to use WalletType.evm for new code. Update serialization/deserialization functions to support WalletType.evm: - serializeToInt() returns 18 for WalletType.evm - deserializeFromInt() handles case 18 - walletTypeToString() and walletTypeToDisplayName() return 'EVM' - cryptoCurrencyToWalletType() maps all EVM currencies to WalletType.evm Old EVM types remain functional for backward compatibility with existing wallets. This is the foundation for unifying EVM chain management. * feat: update EVM detection functions to support WalletType.evm Update all EVM detection and chain helper functions to support the unified WalletType.evm while maintaining backward compatibility with old EVM types. All functions require chainId parameter when used with WalletType.evm, ensuring proper chain-specific behavior. Old EVM types continue to work without changes for backward compatibility. * feat: add currency mapping support for unified EVM wallet type - Update currency mapping to support WalletType.evm with chainId-based currency resolution. - Override EVMChainWallet.currency getter to use selectedChainId from registry. - Replace walletTypeToCryptoCurrency calls with wallet.currency in view models. - Add WalletType.evm cases to switch statements and consolidate EVM transaction list item methods. - Add explorer URL method to EVM interface * feat: Update wallet operations with unified WalletType.evm - Update wallet service to always create new wallets and restores with WalletType.evm, defaulting to Ethereum. - Preserve old wallet types when opening existing wallets. Update wallet instance creation and opening logic to handle unified EVM type with chainId-based config lookup. * Add WalletType.evm support across all switch statements - Update all switch statements and conditionals to include WalletType.evm alongside existing EVM types. - Add chainId-based node selection support for unified EVM wallets. - Fix redundant code in exchange view model. - Ensure backward compatibility with old EVM wallet types. * feat(evm): Implement chainId-based node management for WalletType.evm - Add chainId-based node storage for unified EVM wallets, enabling separate node preferences per chain. - Replace unsafe dynamic casts with type-safe getSelectedChainId method. Update all node retrieval and switching logic to support chainId-based selection. * feat: Update UI components to show unified EVM wallet option - Filter out old EVM wallet types (ethereum, polygon, base, arbitrum) from wallet creation and restore UI, showing only unified WalletType.evm option. - Update wallet type generation to include WalletType.evm instead of individual chain types. - Update configure.dart to generate WalletType.evm in availableWalletTypes - Add filtering checks to prevent old EVM types from appearing * fix: Fix WalletType.evm support and complete remaining edge cases Add missing WalletType.evm cases to switch statements to resolve compilation errors. Complete remaining unification items: - Add WalletType.evm support to node, wallet utils, and view models - Update EVMChainDefaultTokens and EVMChainUtils to support chainId - Fix token initialization and priority fee calculations for WalletType.evm - Update payment view model to handle WalletType.evm with chainId All identified edge cases from the unification plan are now complete. * fix: Fix network switching issues for EVM wallets - Fix null check errors when creating and restoring an EVM wallet - Fix null check errors for balance getter when switching networks - Fix fiat amount display for native currencies in transaction history * refactor: Simplify EVM wallet chain selection in CryptoBalanceWidget - Removed the old dropdown for chain selection and replaced it with a more integrated EvmSwitcher dialog. - Updated EvmSwitcher to accept a list of available chains and handle chain selection more efficiently. - Enhanced EvmSwitcherDataItem to include chainId for better identification of chains. - Improved the overall UI flow for EVM wallet interactions. * refactor: Enhance EVM wallet handling and chainId integration - Simplified chainId checks across various components to ensure consistent handling for WalletType.evm. - Updated EVMChainDefaultTokens and EVMChainUtils checks to allow all EVM wallets for chainId operations - Handled backward compatibility for older wallet types in transaction info * refactor: More enhancement and backward compatibility fixes for EVM Wallet - Introduced a new method to retrieve cryptocurrency by chainId, improving the handling of WalletType.evm. - Updated transaction history management to filter transactions based on the current chainId - Refactored EVMChainTransactionInfo to accept chainId directly - Modified utility functions in EVMChainUtils and TokenUtilities for better chainId handling * refactor: Streamline EVM token retrieval and enhance chainId handling * feat: Introduce comprehensive guide for adding new EVM L2 networks - Added a detailed documentation file outlining the steps to integrate new EVM-compatible L2 networks into Cake Wallet. - Included prerequisites, architecture overview, and a step-by-step guide covering chain configuration, native currency addition, default tokens, and node setup. - Emphasized the unified architecture for EVM chains and backward compatibility considerations. - Removed the outdated guide on adding new L2 networks to streamline documentation. * feat: Reposition EVM switcher button on dashboard page * just adding reminders for the refactoring [skip ci] * more todos [skip ci] * feat: enhance wallet functionality with chainId support - Added chainId to `WalletBase` and updated currency method to use it. - Modified EvmChainRegistry to initialize registry on call. - Updated various components to pass chainId where necessary for currency conversions. - Improved handling of chain IDs in wallet-related view models and UI components for better compatibility with EVM networks. * fix: remove default chainId fallback in payment confirmation widget * feat: Adapt anypay to new unified flow WIP * fix: Issues with handling non evm swaps for anypay * fixes to flow structure * Add persistence to hidden chains on switcher * refactor: simplify equality operator in Erc20Token class * feat: add excluded arbutrum tokens for chainflip * chore: Remove print statement [skip ci] * refactor: dispaly QR image display for evm based on selected chain ID * feat: enhance EVM wallet compatibility check for raw address input * chore: Update doc to reflect changes [skip ci] * feat: Integrate Blink for EVM wallets for anti-sandwich attacks. - Add toggle in privacy settings to enable/disable - When enabled, route all evm broadcast rpc calls via Blink * feat: Integrate Blink for EVM wallets for anti-sandwich attacks. - Add toggle in privacy settings to enable/disable - When enabled, route all evm broadcast rpc calls via Blink * feat: Integrate Blink for EVM wallets for anti-sandwich attacks. - Add toggle in privacy settings to enable/disable - When enabled, route all evm broadcast rpc calls via Blink * feat: Handle same chainId scenario for pasted evm addresses * feat: Add Blink Setting to Advanced Settings Page * fix: Handle Blink supported chains * fix: Fixes to evm swap * fix: Add fallback for currency fetch * fix: Add evm to supported list * fix: Better handle balance errors * fix: Update token check to use contract address comparison, resolves the usdt/usdt0 issue * refactor: Simplify checks by cearing all tokens on chain switch, removing unnecessary currency checks * fix: Simplify checks based from feedback on review * fix: Exclude arbitrum from tx priority using chainId * refactor: Handle chains not having transaction priority within refactor * fix: Unified evm wallet fixes - Handle switching networks while on tx history page - Update NFTs when network is switching on listing page - Fix arbitrum tx priority error on swap screen - Switch check to display deuro from wallet type to chainId - Add fallback check for getting token info for evm - Better error message for max fee per gas less than block base fee error * refactor: Update wallet checks from type to chainId for EVM compatibility checks * refactor: Update eth chain utils and remove verified contract criteria in scam detection checks * refactor: Enhance validation for deuro calls * fix : Remove unneeded validation check for savings edit * feat: Hide EVM chain switcher behind feature flag * refactor: Remove EVM wallet type references and update related logic * chore: Clean up wallet type references and remove repeated imports * feat: Add fallback for derivation path and add arbitrum support to app scripts * fix: NFT popup error * fix: Transaction details fee regression * fix: Fixes and improvements - Add nonce parameter to transaction methods in EVM clients - Remove brackets for create swaps - Display contacts for selected wallettype alone - Remove tx priorty switching for arb * feat: Enhance Arbitrum support across swap providers * fix: Add missing secret keys * fix: display sending currency icon in send from external page * refactor: Handle arbitrum edgecase for wallet list display image * fix: Handle more cases of arbitrum image display for contact book * exploring possible issues with tx history * chore: switch to printV * fix: Add an extra check for keys * fix: Filter out eth spam transaction and modify parsing format * fix: Handle contract decimals for sending tokens * fix: Display proper balance error * Update cw_evm/lib/utils/evm_chain_formatter.dart [skip ci] --------- Co-authored-by: Robert Malikowski <malikowskirobert@gmail.com> Co-authored-by: Omar Hatem <omarh.ismail1@gmail.com>
Cake Wallet
Cake Wallet is an open-source, non-custodial, and private multi-currency crypto wallet for Android, iOS, macOS, and Linux.
Cake Wallet includes support for several cryptocurrencies, including:
- Monero (XMR)
- Bitcoin (BTC)
- Ethereum (ETH)
- Litecoin (LTC)
- Bitcoin Cash (BCH)
- Polygon (POL)
- Base (BASE)
- Arbitrum (ARB)
- Solana (SOL)
- Tron (TRX)
- Nano (XNO)
- Zano (ZANO)
- Decred (DCR)
- Wownero (WOW)
Features
App-Wide Features
- Completely noncustodial. Your keys, your coins.
- Built-in exchange for dozens of pairs
- Easily pay cryptocurrency invoices with fixed rate exchanges
- Buy cryptocurrency (BTC/LTC/XMR/ETH) with credit/debit/bank
- Sell cryptocurrency by bank transfer
- Scan QR codes for easy cryptocurrency transfers
- Create several wallets
- Select your own custom nodes/servers
- Address book
- Backup to an external location or iCloud
- Send to OpenAlias, Unstoppable Domains, Yats, and FIO Crypto Handles
- Set desired network fee level
- Store local transaction notes
- Extremely simple user experience
- Convenient exchange and sending templates for recurring payments
- Create donation links and invoices in the receive screen
- Robust privacy settings (eg: Tor-only connections)
- Robust security settings (eg: Cake 2FA)
Monero Specific Features
- The Monero view key is retained on the device for maximum privacy
- Full support for Monero subaddresses and accounts
- Specify restore height for faster syncing
- Specify multiple recipients for batch sending
- Optionally set Monero nodes as trusted for faster syncing
- Specify a proxy for Monero nodes, compatible with Tor and i2p
Bitcoin Specific Features
- Bitcoin coin control (specify specific outputs to spend)
- Automatically generate new addresses
- Specify multiple recipients for batch sending
Ethereum Specific Features
- Store ETH and all ERC-20 tokens
- Add custom tokens by contract address
- Enable or disable Etherscan for transaction history
Litecoin Specific Features
- Litecoin coin control (specify specific outputs to spend)
- Automatically generate new addresses
- Specify multiple recipients for batch sending
Monero.com by Cake Wallet for Android and iOS
Open Source Monero-Only Wallet
Exchanging to/from other assets is also supported.
Links
- Website: https://monero.com
- App Store (iOS): https://apps.apple.com/app/id1601990386
- Google Play: https://play.google.com/store/apps/details?id=com.monero.app
- F-Droid: https://fdroid.cakelabs.com
- APK: https://github.com/cake-tech/cake_wallet/releases
APK Verification
APK releases on GitHub, Accrescent, and F-Droid use the same key. They can easily be verified using apksigner or AppVerifier.
See below for Cake Wallet's SHA-256 signing certificate hash:
com.cakewallet.cake_wallet
C5:40:53:AB:0F:10:D9:54:17:62:A3:DA:76:65:AE:3D:BA:5E:7C:74:3A:B4:F1:08:A5:34:9D:62:AC:10:6E:F5
Support
We have 24/7 free support. Please contact support@cakewallet.com
We have excellent user guides, which are also open-source and open for contributions: https://guides.cakewallet.com
Build Instructions
More instructions to follow
For instructions on how to build for Android: please view file howto-build-android.md
Contributing
Improving translations
Edit the applicable strings_XX.arb file in res/values/ and open a pull request with the changes.
Current list of language files:
- English
- Spanish
- French
- German
- Italian
- Portuguese
- Dutch
- Polish
- Croatian
- Russian
- Ukrainian
- Hindi
- Japanese
- Chinese
- Korean
- Thai
- Arabic
- Turkish
- Burmese
- Urdu
- Bulgarian
- Czech
- Indonesian
- Hausa
- Yoruba
Add a new language
-
Create a new
strings_XX.arbfile inres/values/, replacing XX with the language's ISO 639-1 code. -
Edit the strings in this file, replacing XXX below with the translation for each string.
"welcome": "Welcome to", -> "welcome": "XXX",
- For strings where there is a variable, denoted by a $ symbol and braces, such as ${status}, the string in braces should not be translated. For example, when editing line 106:
"time" : "${minutes}m ${seconds}s"
The only parts to be translated, if needed, are the values m and s after the variables.
-
Add the language to
lib/entities/language_service.dartunder bothsupportedLocalesandlocaleCountryCode. Use the name of the language in the local language and in English in parentheses after forsupportedLocales. Use the ISO 3166-1 alpha-3 code forlocaleCountryCode. You must choose one country, so choose the country with the most native speakers of this language or is otherwise best associated with this language. -
Add a relevant flag to
assets/images/flags/XXXX.png, replacing XXXX with the 3 letters localeCountryCode. The image must be 42x26 pixels with 3 pixels of transparent margin on all 4 sides. You can resize the flag with paint.net to 36x20 pixels, expand the canvas to 42x26 pixels with the flag anchored in the middle, and then manually delete the 3 pixels on each side to make it transparent. Or you can use another program like Photoshop. -
Add the new language code to
tool/utils/translation/translation_constants.dart
Add a new fiat currency
-
Check with Cake Wallet support to see if the desired new fiat currency is available through our fiat API. Not all fiat currencies are.
-
If the currency is associated strongly with a specific issuing country, map the ISO 4217 currency code with the applicable ISO 3166-1 alpha-3 code in
lib/entities/fiat_currency.dart. If the currency is used in a whole region or organization, then map with a reasonable interpretation of this (eg: eur countryCode for EUR symbol). -
Add the raw mapping underneath in
lib/entities/fiat_currency.dartfollowing the same format as the others. -
Add a flag of the issuing country or organization to
assets/images/flags/XXXX.png, replacing XXXX with the ISO 3166-1 alpha-3 code used above (eg:usa.png,eur.png). Do not add this if the flag with the same name already exists. The image must be 42x26 pixels with a 3 pixels of transparent margin on all 4 sides.
Copyright (C) 2018-2023 Cake Labs LLC