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feat: support ton contract init#139

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Lu1zz merged 2 commits intoOneKeyHQ:masterfrom
Lu1zz:master
May 23, 2025
Merged

feat: support ton contract init#139
Lu1zz merged 2 commits intoOneKeyHQ:masterfrom
Lu1zz:master

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@Lu1zz Lu1zz commented May 22, 2025

Summary by CodeRabbit

  • New Features
    • Enhanced TON message signing to support initialization data and a signing message representation, enabling new signing scenarios.
    • Added user confirmation prompt for blind signing when initialization data is provided, improving user control and security.

Signed-off-by: Lu1zz <yu.lu@onekey.so>
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coderabbitai bot commented May 22, 2025

Walkthrough

This update adds three new optional fields to the TonSignMessage protobuf message and sets size limits on two of them. The signing function now checks these fields, computes a hash, prompts the user for blind signing, signs the digest if confirmed, and returns early.

Changes

File(s) Change Summary
common/protob/messages-ton.proto Added three optional fields to TonSignMessage: init_data_initial_chunk, init_data_length, and signing_message_repr.
legacy/firmware/protob/messages-ton.options Added max size (1024 bytes) options for init_data_initial_chunk and signing_message_repr fields in TonSignMessage.
legacy/firmware/ton.c Modified ton_sign_message to handle new fields: verify presence, compute hash, prompt user, sign digest, and return early.

Sequence Diagram(s)

sequenceDiagram
    participant Caller
    participant ton_sign_message
    participant User
    participant Signer

    Caller->>ton_sign_message: Call with TonSignMessage
    alt init_data_initial_chunk present
        ton_sign_message->>ton_sign_message: Check signing_message_repr presence
        alt signing_message_repr missing
            ton_sign_message-->>Caller: Send failure, return false
        else signing_message_repr present
            ton_sign_message->>ton_sign_message: Compute SHA-256 of signing_message_repr
            ton_sign_message->>User: Prompt for blind sign confirmation
            alt User cancels
                ton_sign_message-->>Caller: Send failure, return false
            else User confirms
                ton_sign_message->>Signer: Sign digest
                ton_sign_message-->>Caller: Return signature and digest, return true
            end
        end
    else
        ton_sign_message->>ton_sign_message: Continue with original signing logic
    end
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Actionable comments posted: 4

📜 Review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
Cache: Disabled due to data retention organization setting
Knowledge Base: Disabled due to data retention organization setting

📥 Commits

Reviewing files that changed from the base of the PR and between 679206e and c5ff2fc.

📒 Files selected for processing (3)
  • common/protob/messages-ton.proto (1 hunks)
  • legacy/firmware/protob/messages-ton.options (1 hunks)
  • legacy/firmware/ton.c (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (3)
  • GitHub Check: Defs check
  • GitHub Check: Gen check
  • GitHub Check: Style check
🔇 Additional comments (3)
legacy/firmware/protob/messages-ton.options (1)

19-20: Size limits set appropriately.

Setting 1024-byte limits for both new fields prevents buffer overflows.

legacy/firmware/ton.c (2)

172-187: Security for blind signing is properly implemented.

The code correctly:

  1. Computes SHA-256 hash of the message
  2. Prompts user for confirmation
  3. Handles rejection appropriately

This ensures user consent before signing.


189-196: Signing implementation handles both emulator and device scenarios.

Code correctly uses different signing methods based on environment.

Signed-off-by: Lu1zz <yu.lu@onekey.so>
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Actionable comments posted: 1

♻️ Duplicate comments (2)
common/protob/messages-ton.proto (1)

72-74: Improve field documentation.

The new fields need clearer comments explaining their purpose and content.

Consider adding more descriptive comments to clarify:

  1. What init_data_initial_chunk contains
  2. How init_data_length relates to the chunk
  3. Whether signing_message_repr is a hash or raw data
legacy/firmware/ton.c (1)

200-202: Fix the typo in field name.

There's an extra 'n' in signning_message. This appears throughout the codebase.

-resp->signning_message.size = 32;
-memcpy(resp->signning_message.bytes, digest, resp->signning_message.size);
-resp->has_signning_message = true;
+resp->signing_message.size = 32;
+memcpy(resp->signing_message.bytes, digest, resp->signing_message.size);
+resp->has_signing_message = true;

Note: This requires similar fixes elsewhere in the codebase and message definitions.

📜 Review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro
Cache: Disabled due to data retention organization setting
Knowledge Base: Disabled due to data retention organization setting

📥 Commits

Reviewing files that changed from the base of the PR and between c5ff2fc and 94bdba9.

📒 Files selected for processing (3)
  • common/protob/messages-ton.proto (1 hunks)
  • legacy/firmware/protob/messages-ton.options (1 hunks)
  • legacy/firmware/ton.c (1 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (3)
  • GitHub Check: Style check
  • GitHub Check: Gen check
  • GitHub Check: Defs check
🔇 Additional comments (2)
legacy/firmware/protob/messages-ton.options (1)

19-20: Size constraints look good.

The 1024-byte limits for both new fields are reasonable for contract initialization data.

legacy/firmware/ton.c (1)

165-171: Check logic makes sense but field usage is unclear.

The validation correctly requires both fields together. However, init_data_initial_chunk is never actually used in the logic.

Add a comment explaining why init_data_initial_chunk is checked but not used, or implement the missing logic to handle the chunk data.

@Lu1zz Lu1zz requested review from guowei0105 and somebodyLi May 23, 2025 03:38
@Lu1zz Lu1zz merged commit f086d21 into OneKeyHQ:master May 23, 2025
6 of 8 checks passed
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3 participants