evm custom network

[pedrxlz]

Summary by CodeRabbit

• New Features

  • Added support for custom transaction options for Bitcoin and Ethereum transactions
  • Introduced ability to create custom Ethereum-based blockchain chains
  • Enhanced transaction signing with flexible blockchain-specific configurations

• Improvements

  • Updated chain registry to support more blockchain networks
  • Expanded transaction handling flexibility across different blockchain types

[coderabbitai]

Walkthrough

The changes introduce enhanced transaction handling capabilities for different blockchain types in the KOS mobile library. A new TransactionChainOptions enum is added to support specific transaction configurations for Bitcoin and Ethereum. The sign_transaction function is extended to accept optional blockchain-specific transaction options, allowing more flexible transaction signing. Additionally, the chain registry now supports creating custom Ethereum-based chains dynamically, with improvements to chain support and configuration mechanisms.

Changes

File	Changes
packages/kos-mobile/src/lib.rs	- Added TransactionChainOptions enum - Added new_bitcoin_transaction_options() function - Added new_evm_transaction_options() function - Updated sign_transaction() to accept optional chain options
packages/kos/src/chains/mod.rs	- Added create_custom_evm() method to ChainRegistry - Added public create_custom_evm() function - Updated chain support status for multiple blockchains

Sequence Diagram

sequenceDiagram
    participant User
    participant SignTransaction
    participant ChainRegistry
    
    User->>SignTransaction: Call with transaction data and options
    SignTransaction->>ChainRegistry: Create custom chain if EVM options provided
    ChainRegistry-->>SignTransaction: Return custom chain
    SignTransaction->>SignTransaction: Process transaction with specific options
    SignTransaction-->>User: Return signed transaction

Loading

Poem

🐰 Blockchain hopping, chains galore,
Custom transactions knocking at the door!
EVM and Bitcoin, options so bright,
Signing with flexibility, pure delight!
A rabbit's code dance, flexible and free! 🚀

---

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[coderabbitai]

Actionable comments posted: 4

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 74c4f04 and 8f4489f.

📒 Files selected for processing (2)

• packages/kos-mobile/src/lib.rs (4 hunks)
• packages/kos/src/chains/mod.rs (6 hunks)

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: format

🔇 Additional comments (3)

packages/kos-mobile/src/lib.rs (1)

54-64: Definition of TransactionChainOptions is appropriate.

The enum TransactionChainOptions correctly encapsulates the specific transaction options for EVM and BTC chains, facilitating flexible transaction handling.

packages/kos/src/chains/mod.rs (2)

Line range hint 366-466: Confirm support for newly enabled chains.

The supported field for several chains has been changed from false to true. Please ensure that these chains are fully implemented, tested, and ready for production use to prevent any unexpected issues.

Consider reviewing the implementation and test coverage of the following chains to confirm readiness:

• BTC (Line 366)
• LTC (Line 387)
• SYS (Line 422)
• DGB (Line 466)

---

757-760: Public function create_custom_evm added successfully.

The new public function create_custom_evm facilitates the creation of custom EVM chains and integrates properly with the ChainRegistry.