Engine Wallet & 7702 Session Keys

[0xFirekeeper]

PR-Codex overview

This PR focuses on enhancing the ThirdwebContract class by changing internal properties to public, adding new data structures for session keys and wrapped calls, and introducing methods for generating signatures and typed data definitions in the EngineWallet class.

Detailed summary

• Changed properties in ThirdwebContract from internal to public.
• Added SessionKeyParams_7702, Call, and WrappedCalls classes for handling session keys and wrapped calls.
• Introduced GenerateSignature_SmartAccount_7702_WrappedCalls and GenerateSignature_SmartAccount_7702 methods in EIP712.cs.
• Added typed data definitions for session keys and wrapped calls.
• Implemented EngineWallet class with methods for transaction handling and signing messages.

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[codecov-commenter]

Codecov Report

Attention: Patch coverage is 4.05405% with 284 lines in your changes missing coverage. Please review.

Project coverage is 68.96%. Comparing base (869e48c) to head (54b1739).

Files with missing lines	Patch %	Lines
...dweb/Thirdweb.Wallets/EngineWallet/EngineWallet.cs	0.00%	236 Missing ⚠️
Thirdweb/Thirdweb.Wallets/EIP712.cs	0.00%	36 Missing ⚠️
...SmartWallet/Thirdweb.AccountAbstraction/AATypes.cs	0.00%	11 Missing ⚠️
Thirdweb/Thirdweb.Utils/Utils.cs	88.88%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #126      +/-   ##
==========================================
- Coverage   72.69%   68.96%   -3.73%     
==========================================
  Files          34       35       +1     
  Lines        5233     5520     +287     
  Branches      693      724      +31     
==========================================
+ Hits         3804     3807       +3     
- Misses       1254     1537     +283     
- Partials      175      176       +1     

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