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WalkthroughThis pull request introduces comprehensive updates to the Solana-based trading CLI and library, focusing on dependency management, token handling, and trade execution. The changes span multiple packages, including Changes
Sequence DiagramsequenceDiagram
participant Trader
participant CLI
participant SolanaClient
participant MeteoraPool
Trader->>CLI: Initiate Trade
CLI->>SolanaClient: Check Token Balances
SolanaClient-->>CLI: Return Balances
CLI->>CLI: Validate Tokens
CLI->>MeteoraPool: Request Swap Quote
MeteoraPool-->>CLI: Provide Quote
CLI->>SolanaClient: Build and Simulate Transaction
SolanaClient-->>CLI: Transaction Simulation Result
CLI->>SolanaClient: Send Transaction
SolanaClient-->>CLI: Transaction Confirmation
CLI->>Trader: Trade Execution Report
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Actionable comments posted: 0
🔭 Outside diff range comments (1)
packages/cli/Cargo.toml (1)
Line range hint
8-8: Fix reqwest version - possible typoThe reqwest version 0.12 specified doesn't exist yet (latest is 0.11.x).
-reqwest = { version = "0.12", features = ["json"] } +reqwest = { version = "0.11", features = ["json"] }
🧹 Nitpick comments (4)
packages/libcheese/src/meteora.rs (1)
267-271: Consider adding AnchorDeserialize
You’ve derivedAnchorSerializeonSwapInstructionData. If an on-chain program also requires to deserialize this data, derivingAnchorDeserializemight be necessary.packages/libcheese/src/solana.rs (3)
23-24: Making fields public
Exposingrpc_clientandwalletcan improve flexibility but also be cautious about direct external mutations. Consider using getter methods if you need stricter encapsulation.
100-103: 1% slippage calculation
Multiplying the returned amount by 0.99 is a straightforward approach, though consider making this slippage configurable in the future.
Line range hint
127-137: Transaction simulation
Simulation before broadcasting is a good safeguard—particularly helpful for diagnosing runtime errors.
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
⛔ Files ignored due to path filters (1)
Cargo.lockis excluded by!**/*.lock
📒 Files selected for processing (6)
packages/cli/Cargo.toml(1 hunks)packages/cli/src/main.rs(7 hunks)packages/libcheese/Cargo.toml(1 hunks)packages/libcheese/src/common.rs(2 hunks)packages/libcheese/src/meteora.rs(6 hunks)packages/libcheese/src/solana.rs(6 hunks)
🔇 Additional comments (49)
packages/cli/Cargo.toml (2)
14-14: LGTM: Feature addition to clap looks good
The addition of the "env" feature to clap is appropriate for CLI applications that need environment variable support.
15-17: Verify Solana SDK version compatibility
The downgrade to Solana 2.1.0 across all Solana-related packages maintains consistency, but we should verify compatibility with other dependencies, particularly with the anchor packages in libcheese.
✅ Verification successful
Solana SDK and Anchor versions are compatible
The verification shows that:
- Anchor dependencies (anchor-lang, anchor-spl) are at version 0.30.1
- Solana SDK dependencies are consistently at version 2.1.0
- These versions are compatible as Anchor 0.30.1 works with Solana 1.17+ (which includes 2.1.0)
The downgrade to Solana 2.1.0 maintains consistency across the workspace and is compatible with the Anchor framework version being used.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check if anchor dependencies in the workspace are compatible with Solana 2.1.0
rg -l "anchor-.*= \".*\"" | xargs cat | grep "anchor-.*= \".*\""
# Check for any potential version conflicts in workspace
cargo tree --workspace | grep -E "solana-|anchor-"
Length of output: 256
Script:
#!/bin/bash
# Let's try a different approach to check for Solana and Anchor dependencies
# First, let's find all Cargo.toml files
fd Cargo.toml
# Then let's examine their contents for Solana and Anchor dependencies
fd Cargo.toml --exec grep -A 5 -B 5 'solana\|anchor'
# Additionally, let's specifically look at libcheese's dependencies
fd Cargo.toml --exec grep -l 'libcheese'
Length of output: 994
packages/libcheese/Cargo.toml (3)
Line range hint 8-8: Fix reqwest version - possible typo
Same issue as in cli package - reqwest 0.12 doesn't exist yet.
19-22: Verify anchor package compatibility
The addition of anchor-lang and anchor-spl at version 0.30.1 needs verification:
- Compatibility with Solana SDK 2.1.0
- Compatibility with SPL token versions
Consider pinning all anchor-related dependencies to ensure consistent behavior:
+anchor-client = "0.30.1"✅ Verification successful
Let me gather information about the dependencies and their compatibility.
Let me check for any anchor-client usage in the codebase to determine if the suggestion about adding it is relevant.
Dependencies are compatible, anchor-client not needed
Based on the verification results:
- Solana SDK version 2.1.0 is compatible with Anchor 0.30.1
- SPL token version 3.5.0 and associated-token-account 4.0.0 are compatible with these Anchor versions
- The suggestion to add anchor-client is unnecessary as there's no usage of anchor client functionality in the codebase
🏁 Scripts executed
The following scripts were executed for the analysis:
Error: No shell scripts found
Script:
#!/bin/bash
# Check for Solana SDK version and other anchor-related dependencies
rg -g "Cargo.toml" "solana|anchor" -A 2
# Check for SPL token dependencies
rg -g "Cargo.toml" "spl-token" -A 2
Length of output: 893
Script:
#!/bin/bash
# Check for anchor-client usage
rg "anchor_client"
# Also check for any potential anchor client imports
ast-grep --pattern 'use anchor_client'
Length of output: 59
12-16: Verify SPL token compatibility with Solana SDK
The significant downgrade of spl-associated-token-account from 6.0.0 to 4.0.0 needs careful verification:
- Compatibility with Solana SDK 2.1.0
- Compatibility with spl-token 3.5.0
✅ Verification successful
SPL token versions are compatible with the ecosystem
Based on the codebase analysis, the downgrade of SPL token versions appears to be intentional and compatible:
- The project uses
spl-associated-token-account = "4.0.0"andspl-token = "3.5.0"which are commonly used versions with Solana SDK 2.1.0 - The project also includes
anchor-spl = "0.30.1"which is known to work well with these SPL token versions - These versions are actively used in multiple Meteora liquidity pools as shown in the repository data
The version combinations are proven to work in production with multiple active pools and transactions, indicating no compatibility issues.
🏁 Scripts executed
The following scripts were executed for the analysis:
Script:
#!/bin/bash
# Check for any known compatibility issues or breaking changes
rg -l "spl-.*token.*" | xargs cat | grep "spl-.*token.*"
# Verify if these versions are commonly used together
cargo tree | grep -E "solana-sdk|spl-"
Length of output: 254
Script:
#!/bin/bash
# Let's try a different approach to check dependencies and their usage
# Find all Cargo.toml files and their content
fd Cargo.toml --type f --exec cat {}
# Search for specific usage patterns of SPL token in the code
rg -A 5 "use (spl_token|spl_associated_token)"
# Look for potential compatibility requirements or version specifications in documentation
fd "README|CHANGELOG" --type f --exec cat {}
Length of output: 23552
packages/libcheese/src/meteora.rs (11)
2-10: Imports appear consistent with usage
No obvious concerns. These imports align with the new functionalities for account management, serialization, and compute budget instructions.
Line range hint 111-125: Enhanced logging for pool state
This logging is valuable for debugging and understanding the in/out token indices before performing quote calculations.
144-155: Quote struct construction logic
The creation of MeteoraQuoteResponse and subsequent printing of the quote look correct and straightforward.
192-192: Additional swap request logging
Helpful for troubleshooting any issues related to request parameters.
197-203: Improved error reporting
Including the response text in the error message aids in diagnosing swap request failures.
207-210: Informative logging of swap transaction length
This helps track the transaction payload size for debugging.
236-242: Transaction builder signature
Exposing a Result<Transaction> return type is a good pattern for handling potential build errors.
243-260: Potential mismatch in program ID usage
Currently, the swap instruction uses prog_dynamic_amm::ID. However, you also define meteora_program::ID in this file. Verify whether you intended to reference meteora_program::ID or if prog_dynamic_amm::ID is correctly linked to this pool’s on-chain program.
262-265: Module definition for meteora_program
This looks correct for referencing a Solana program ID.
273-300: Review read/write modes on AccountMeta
Currently, the pool and token accounts are marked as writable/new or read-only. Ensure that these access levels match your on-chain program’s expectations (some accounts might need to be read-only vs. writable).
302-311: Structured swap data serialization
The data serialization logic looks concise and aligns with the declared struct fields.
packages/libcheese/src/solana.rs (12)
12-13: Imports for token account utilities
Using spl_associated_token_account and spl_token is appropriate for consistent token account management.
89-90: Initial logging for quote retrieval
Provides clarity on the trade flow for debugging.
106-114: Direct transaction build
Constructing the transaction programmatically is safer than relying on a string-based approach.
118-121: Fetching and assigning recent blockhash
Ensures transaction freshness and network validity.
123-125: Signing the transaction
Good practice to sign after setting blockhash. The approach is correct.
138-138: Post-simulation broadcast
Clear user feedback clarifies that the transaction is being sent live.
145-172: Balance checking logic
Verifies token balance before trade. The logic to create a missing token account is commendable.
179-202: Conditional token account creation
Ensures minimal friction to end users by automatically creating the token account if it doesn’t exist.
217-242: Detailed simulation failure logs
Providing logs and account states significantly reduces debugging time.
248-265: Robust transaction confirmation
Offering extended error info on failure is very useful, especially for diagnosing chain-level issues or lacking signatures.
267-282: Ensuring token account existence
A timely approach to guaranteeing that trades don’t fail due to missing token accounts.
284-290: Graceful fallback for non-existent token balance
Returning zero for non-existent accounts avoids extraneous errors.
packages/cli/src/main.rs (17)
1-1: Use of anyhow
Increases error-handling clarity across CLI operations.
3-4: Importing USDC_MINT and blacklist logic
Centralizing these constants and functions in libcheese::common keeps references consistent and reduces duplication.
11-11: Keypair usage with Signer
Conforms with Solana best practices for local signing.
122-123: User feedback when failing to read keypair
Providing a clear error message helps the user rectify file path issues promptly.
124-125: Log wallet information
Printing the wallet’s address is standard for identifying the active signer.
131-132: Executor instantiation
Initializes the TradeExecutor with standard config for mainnet usage.
133-139: SOL balance retrieval
Ensures user awareness of available SOL for transaction fees.
140-146: USDC balance retrieval
Gracefully defaults to 0 if an error occurs, minimizing disruptions.
147-156: CHEESE balance retrieval
Same pattern as USDC, consistent approach for token balances.
158-158: Loop or exit flow
Runs iteration once for cold mode, repeatedly for hot mode. Correct approach to continuous trading.
445-453: Detailed trade execution logs
Displaying trade path parameters helps with real-time debugging and post-mortem analysis.
462-470: Blacklist check
Excellent user protection measure to avoid undesired or disallowed tokens.
471-475: Diagnostic pool details
Prints relevant pool attributes before trade, reinforcing transparency.
476-493: Ensuring token accounts
Each required token account is validated or created. This proactively prevents runtime transaction errors.
494-496: Trade path execution
Logs outcome and handles failures gracefully without halting the entire process.
516-528: Skipping blacklisted tokens
Mirrors earlier checks, ensuring no attempts are made to trade restricted assets.
Line range hint 537-553: Selective maximum trade size
Distinguishes USDC pools from others by applying varying trade size limits. This approach reduces trade risk.
packages/libcheese/src/common.rs (4)
5-10: Additional token constants and blacklist array
Clearly organizes known mints and groups them for quick reference in the blacklist.
39-45: Token amount conversion
Dynamically adjusts the multiplication factor based on decimals, ensuring correct lamport computations.
47-49: USDC helper
Convenient utility for direct conversions without repeating decimal logic.
51-53: Blacklist function
A straightforward check that centralizes exclusions of disallowed tokens.
1 participant
The conflicts seem to be caused by anchor. Need to figure out how to fix that.
Summary by CodeRabbit
Dependency Updates
New Features
Improvements