Added send_xdai to treasury #595
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Actionable comments posted: 1
🧹 Outside diff range and nitpick comments (1)
prediction_market_agent/agents/microchain_agent/messages_functions.py (1)
62-64: Consider making the treasury percentage configurable.The hardcoded 70% treasury accumulation rate is quite high and inflexible. Consider:
- Moving this to a configuration file to allow easy adjustments
- Documenting the rationale for the chosen percentage
- Potentially implementing a dynamic rate based on different factors (e.g., message value tiers)
- TREASURY_ACCUMULATION_PERCENTAGE = 0.7 + TREASURY_ACCUMULATION_PERCENTAGE = settings.get('TREASURY_ACCUMULATION_PERCENTAGE', 0.7)
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📒 Files selected for processing (1)
prediction_market_agent/agents/microchain_agent/messages_functions.py(3 hunks)
🔇 Additional comments (2)
prediction_market_agent/agents/microchain_agent/messages_functions.py (2)
2-11: LGTM! Imports are well-organized and necessary.
All new imports are utilized in the implementation and properly organized.
88-103:
Add error handling and value validation for treasury transfers.
The current implementation has several potential security issues:
- Missing error handling for failed transactions
- No validation of message value
- Potential integer overflow in percentage calculation
- No bounds checking for transfer amount
Consider implementing these safeguards:
if not message_to_process:
logger.info("No messages to process.")
else:
+ # Validate message value
+ if message_to_process.value_wei <= 0:
+ logger.error("Invalid message value")
+ return message_to_process
+
+ # Calculate treasury amount with overflow protection
+ try:
+ treasury_amount = wei_type(
+ int(self.TREASURY_ACCUMULATION_PERCENTAGE * float(message_to_process.value_wei))
+ )
+ except (OverflowError, ValueError) as e:
+ logger.error(f"Error calculating treasury amount: {e}")
+ return message_to_process
+
# Accumulate a percentage of the message value in the treasury.
- tx_receipt = send_xdai_to(
- web3=ContractOnGnosisChain.get_web3(),
- from_private_key=keys.bet_from_private_key,
- to_address=TREASURY_SAFE_ADDRESS,
- value=wei_type(
- self.TREASURY_ACCUMULATION_PERCENTAGE * message_to_process.value_wei
- ),
- )
+ try:
+ tx_receipt = send_xdai_to(
+ web3=ContractOnGnosisChain.get_web3(),
+ from_private_key=keys.bet_from_private_key,
+ to_address=TREASURY_SAFE_ADDRESS,
+ value=treasury_amount,
+ )
+ logger.info(
+ f"Funded the treasury with xDai, tx_hash: {HexBytes(tx_receipt['transactionHash']).hex()}"
+ )
+ except Exception as e:
+ logger.error(f"Failed to send funds to treasury: {e}")
- logger.info(
- f"Funded the treasury with xDai, tx_hash: {HexBytes(tx_receipt['transactionHash']).hex()}"
- )Also, consider adding:
- Maximum transfer limit as a safety measure
- Gas price checks to prevent excessive fees
- Balance checks before transfer
Let's verify the current implementation of send_xdai_to:
|
|
||
| if not message_to_process: | ||
| logger.info("No messages to process.") | ||
| else: | ||
| # Accumulate a percentage of the message value in the treasury. | ||
| tx_receipt = send_xdai_to( | ||
| web3=ContractOnGnosisChain.get_web3(), | ||
| from_private_key=keys.bet_from_private_key, | ||
| to_address=TREASURY_SAFE_ADDRESS, | ||
| value=wei_type( | ||
| self.TREASURY_ACCUMULATION_PERCENTAGE * message_to_process.value_wei | ||
| ), | ||
| ) | ||
| logger.info( | ||
| f"Funded the treasury with xDai, tx_hash: {HexBytes(tx_receipt['transactionHash']).hex()}" | ||
| ) |
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💡 Codebase verification
Race conditions and transaction ordering need attention
Based on the code analysis, there are potential race conditions in the message processing implementation:
- The
fetch_unseen_transactions_dfqueries transactions without proper row-level locking - No explicit transaction isolation level or database-level synchronization is visible
- The message processing and treasury transfer could be processed multiple times if concurrent instances are running
Consider implementing:
- Database-level row locking using
SELECT FOR UPDATE - Explicit transaction boundaries with proper isolation level
- Unique constraints or idempotency checks for treasury transfers
🔗 Analysis chain
Verify transaction ordering and race conditions.
The current implementation might be susceptible to race conditions if multiple instances process messages simultaneously. Consider:
- Adding transaction nonce management
- Implementing proper synchronization mechanisms
Let's check for existing synchronization mechanisms:
Let me check the implementation of the fetcher to verify the synchronization mechanism.
Let me check the implementation of fetch_unseen_transactions_df to verify if there's any database-level synchronization.
Let me check the blockchain table handler implementation for any database-level locking or transaction isolation.
Let me try to find the correct path for the blockchain table handler.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Look for synchronization patterns in message processing
rg -A 5 "fetch_one_unprocessed_blockchain_message_and_store_as_processed"
Length of output: 1368
Script:
#!/bin/bash
# Check the implementation of the fetcher method
rg -B 5 -A 15 "def fetch_one_unprocessed_blockchain_message_and_store_as_processed" prediction_market_agent/db/blockchain_transaction_fetcher.py
Length of output: 1062
Script:
#!/bin/bash
# Check the implementation of fetch_unseen_transactions_df
rg -B 5 -A 15 "def fetch_unseen_transactions_df" prediction_market_agent/db/blockchain_transaction_fetcher.py
Length of output: 1140
Script:
#!/bin/bash
# Check the blockchain table handler implementation
rg -B 5 -A 15 "def fetch_latest_blockchain_message" prediction_market_agent/db/blockchain_table_handler.py
Length of output: 203
Script:
#!/bin/bash
# Find the blockchain table handler file
fd blockchain_table_handler
# Look for database-related files that might contain transaction handling
rg -l "BEGIN TRANSACTION|SELECT.*FOR UPDATE"
Length of output: 76
No description provided.