Cross-Chain DeFi Infrastructure: Multi-Node Blockchain Validator Network with Docker and TSS Signing

Why This Matters

These results demonstrate the tangible business value of investing in the right technology infrastructure — from improved reliability to measurable cost savings.

Sisu Network's Challenge

Sisu Network was building a revolutionary cross-chain DeFi protocol enabling seamless token transfers between Ethereum, BSC, Polygon, and other EVM-compatible chains. The technical complexity of running a distributed validator network with Threshold Signature Scheme (TSS) cryptography required sophisticated infrastructure automation.

Infrastructure challenges:

• Three interdependent services — Sisu validator core, Dheart TSS signing engine, and Deyes chain watcher — needed coordinated deployment
• Multi-node testing required to validate consensus mechanisms and distributed key generation ceremonies
• Engineers needed local blockchain networks (Ganache) for testing cross-chain transfers without mainnet gas costs
• Dynamic configuration generation required for N validators with unique keys, ports, and peer discovery settings
• Cosmos SDK-based architecture required specific database and networking configurations

Implementation Details

Dynamic Multi-Node Configuration

• Built configuration generator that creates docker-compose files for N validators with unique cryptographic keys
• Automated peer discovery configuration ensuring all validators can find and communicate with each other
• Port mapping and networking configuration for inter-service communication

CI/CD Pipeline

• GCP Cloud Build pipeline for automated container builds on every commit
• Automated testing of cross-chain transfers using CLI commands for token deployment and bridging

Development Tooling

Created CLI commands for common development tasks: funding test accounts, deploying ERC20 tokens, initiating cross-chain transfers, and monitoring validator consensus — dramatically accelerating the development feedback loop.