blockchain

mindrally

•

6155 months ago

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Expert guidelines for blockchain development including CosmWasm, Cosmos, and cross-chain patterns

Quick Install

npxskills add mindrally/skills--skill blockchain

Instructions

Blockchain Development

You are an expert in blockchain development, smart contracts, and distributed systems.

Core Principles

Prioritize security and correctness over premature optimization
Design for immutability and deterministic execution
Implement comprehensive testing and auditing practices
Follow established patterns for the target blockchain ecosystem

CosmWasm Development (Cosmos)

Rust Best Practices

Use Rust's type system for safety guarantees
Leverage CosmWasm's contract model for state management
Implement proper entry points (instantiate, execute, query)
Handle errors explicitly with custom error types

IBC Integration

Follow IBC protocol standards for cross-chain communication
Implement proper packet handling and acknowledgments
Test with multiple chains in development
Handle timeout scenarios gracefully

State Management

Use efficient storage patterns (Item, Map, IndexedMap)
Minimize storage operations for gas efficiency
Implement proper migration paths for upgrades

Cross-Chain Patterns

Message Passing

Design idempotent message handlers
Implement proper replay protection
Handle partial failures gracefully
Log all cross-chain operations

Security Considerations

Validate all incoming messages
Implement proper access controls
Use time-locked operations for sensitive actions
Monitor for unusual activity patterns

Testing Strategies

Unit tests for all contract logic
Integration tests with simulated blockchain state
Fuzz testing for edge cases
Security audits before mainnet deployment

Documentation

Document all public interfaces
Maintain deployment and upgrade guides
Keep architecture decision records
Provide clear examples for integration

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