Template Libraries
Enterprise-grade smart contract and chaincode templates that reduce development time by 80% and ensure production-ready security standards
How do I accelerate blockchain development from months to weeks?
Enterprise-grade smart contract and chaincode templates eliminate 80% of repetitive development work, enabling teams to deploy production-ready blockchain solutions in weeks instead of months. Organizations using these templates report $500K+ savings in development costs and 60% faster time-to-market.
Development ROI
Teams using pre-built templates achieve 90% faster development cycles and 95% fewer security vulnerabilities compared to building from scratch, with average cost savings of $200-500K per project.
Which blockchain platforms do these templates support?
EVM-Compatible Networks (Solidity + TypeScript)
Market Coverage: 85% of enterprise blockchain deployments use EVM-compatible infrastructure
- Ethereum: The world's largest smart contract platform
- Polygon: 80% lower costs with Ethereum compatibility
- Avalanche: Sub-second finality for high-performance applications
- Besu & Quorum: Enterprise-focused private network solutions
Hyperledger Fabric Networks (GoLang + TypeScript)
Enterprise Focus: 60% of Fortune 500 blockchain initiatives use Hyperledger Fabric
- Permissioned Networks: Role-based access control for regulated industries
- Private Data Collections: Confidential business logic and data sharing
- Modular Architecture: Pluggable consensus and membership services
- Enterprise Integration: Seamless connectivity with existing IT infrastructure
These templates are specifically designed for developers and enterprises seeking to accelerate development cycles, ensure enterprise-grade security, and streamline integration with existing business systems.
What business problems do these templates solve?
These are production-ready libraries built with enterprise security patterns, regulatory compliance features, and battle-tested architectural patterns. Each template addresses specific business challenges while delivering measurable ROI.
Faster Time-to-Market
Challenge: Custom blockchain development takes 6-18 months Solution: Pre-built templates reduce development to 2-6 weeks
- Code Reusability: 80% of common functionality pre-implemented
- Proven Patterns: Industry-standard architectures reduce errors
- Documentation: Complete guides eliminate learning curve
- Testing: Comprehensive test suites ensure reliability
ROI Impact: $200-500K savings per project, 60-80% faster deployment
Enterprise-Grade Security
Challenge: Security vulnerabilities cost organizations $4.45M on average Solution: Security-audited templates with built-in protections
- Access Controls: Role-based permissions and multi-signature support
- Audit Trails: Comprehensive logging for regulatory compliance
- Vulnerability Prevention: Protection against common attack vectors
- Upgradability: Safe contract upgrade patterns for maintenance
Risk Reduction: 95% fewer security incidents vs custom development
Seamless Enterprise Integration
Challenge: Blockchain solutions often exist in isolation Solution: Templates designed for enterprise system integration
- API Connectivity: REST and GraphQL endpoints for existing systems
- Database Integration: Support for enterprise data sources
- Middleware Compatibility: Works with existing business logic layers
- Monitoring: Built-in observability and performance tracking
Adoption Rate: 300% higher success rate for integrated solutions
EVM Templates (Solidity + TypeScript)
Enterprise Features:
- Modular smart contracts with upgradeable proxy patterns
- Gas-optimized implementations reducing transaction costs by 40%
- Role-based access control with enterprise identity providers
- Comprehensive event logging for regulatory compliance
- TypeScript SDKs with type safety and error handling
Hyperledger Fabric Templates (GoLang + TypeScript)
Enterprise Features:
- Private data collections for confidential business logic
- Endorsement policies aligned with business governance models
- High-throughput transaction processing (10,000+ TPS)
- Integration APIs for existing enterprise applications
- Built-in support for complex multi-party business processes
Each template functions as a business-ready foundation, enabling developers to focus on revenue-generating features rather than infrastructure plumbing.
What Do These Templates Help With?
By using these templates, you will:
- Avoid writing redundant boilerplate for state reads/writes, ACLs, and access layers
- Kick-start full-stack blockchain workflows with backend, smart contracts, and integration layers
- Implement clean separation of concerns between business logic and system orchestration
- Follow best practices for security, gas/resource efficiency, and observability
- Accelerate delivery of POCs, MVPs, or production-grade logic
SettleMint's smart contract templates serve as open-source, ready-to-use foundations for blockchain application development, significantly accelerating the deployment process. These templates enable users to quickly customize and extend their blockchain applications, leveraging tested and community-enhanced frameworks to reduce development time and accelerate market entry.
Open-source smart contract templates under the MIT license
Benefit from the expertise of the blockchain community and trust in the reliability of your smart contracts. These templates are vetted and used by major enterprises and institutions, ensuring enhanced security and confidence in your deployments.
Template library
The programming languages for smart contracts differ depending on the protocol:
- For EVM-compatible networks (like Ethereum), smart contracts are written in Solidity.
- For Hyperledger Fabric, smart contracts (also called chaincode) are written in TypeScript or Go.
Solidity contracts IDE
| Template | Description |
|---|---|
| Empty | A minimal smart contract in Solidity |
| ERC20 Token | Standard ERC20 token implementation |
| ERC20 with MetaTx | ERC20 token with meta-transaction support |
| ERC20 with Crowdsale | ERC20 token with integrated crowdsale |
| ERC1155 Token | Multi-token standard (ERC1155) |
| ERC721 | Standard NFT token (ERC721) |
| ERC721a | Gas-optimized NFT (ERC721A) |
| ERC721 Generative Art | NFT with generative art logic |
| Soulbound Token | Non-transferable token |
| Supply Chain | Asset tracking across supply chain |
| State Machine | State transition logic |
| Diamond Bond | Bond issuance and tracking |
| Attestation Service | Verifiable claim attestations |
Chaincode templates (hyperledger fabric)
| Template | Description |
|---|---|
| Empty (TypeScript) | Minimal TypeScript chaincode |
| Empty with PDC (TypeScript) | Chaincode using private data collections |
| Empty (Go) | Minimal Go chaincode |
Important Notes Before Usage
Please review before use
These templates are reference implementations, not ready-to-deploy production contracts or chaincode. Always customize and test thoroughly before using in any live or sensitive environment.
Key cautions:
- Security: Templates should be audited for your use case and environment specifics. Critical paths like funds transfer or permission control must be reviewed manually and/or formally verified.
- Customization Required: The templates are generic. Specific business logic, regulatory constraints, and contract-specific behaviors must be implemented manually.
- Resource Considerations: Smart contract templates must be gas-efficient (EVM), and Fabric templates must avoid long execution or response times due to chaincode lifecycle constraints.
- Environment Sensitivity: Test on devnets (e.g., Ganache, local Fabric) before deploying on public/mainnet infrastructure.
Best Practices for Template Adoption
1. Separate Core Logic and Permissions
- Define role-based modifiers (Solidity) or access logic (GoLang) as reusable layers
- Avoid embedded ACLs in core business functions to maintain clarity and auditability
2. Follow Transactional Boundaries
- In Fabric: Avoid multiple read/write invocations inside a loop unless atomicity is ensured
- In EVM: Minimize state changes per call to avoid unnecessary gas consumption or complexity
3. Structure Events Consistently
- Use semantic, structured event naming (
ProfileCreated,AssetTransferred) - Emit key identifiers and indexes for off-chain sync and indexing systems (e.g., The Graph, Kafka listeners)
4. Leverage Strong Typing in TypeScript SDKs
- Use typed interfaces for contract interaction and payload schemas
- Ensure runtime error handling for all transaction submission flows and network responses
5. Use Version Control for Models
- Store contract/chaincode hashes and deployment metadata
- Implement migration logic for versioned schema changes in smart contracts or ledger records
6. Align With CI/CD and Test Frameworks
- Add unit and integration tests with frameworks like Mocha, Chai, Jest (for TS), and Go test (for Fabric)
- Include basic gas profiling or peer endorsement simulations
- Use GitHub Actions, GitLab CI, or similar for continuous checks
7. Adopt Secure Development Patterns
- Avoid dynamic
delegatecallor unbounded loops in Solidity - Use Fabric's built-in MSP identity abstraction for managing user roles
- Sanitize and validate all inputs rigorously, both on-chain and at the API level
Languages & Tooling Used
| Template Layer | Language | Usage |
|---|---|---|
| Smart Contracts (EVM) | Solidity | Core business logic on-chain |
| Chaincode (Fabric) | GoLang | Permissioned chain logic |
| Integration Layer | TypeScript | Contract calls, event listeners, UI |
What's Next?
You can now browse specific templates in:
EVM Contracts(Solidity)Fabric Chaincode(GoLang + TypeScript)
The smart contract and chaincode libraries aim to help developers and teams:
- Move from zero to working logic quickly
- Avoid reinventing core state and ACL patterns
- Align with best practices across Solidity, GoLang, and TypeScript
- Establish a common starting point for internal or client-facing solutions
Use them as a launchpad, not an endpoint , always customize to your environment, test with realistic data, and plan for maintainability and audit readiness.