Feat defillama. - ETHGlobal

[bilgin-kocak]

#317

What changed? Why?

Added a new DefiLlama action provider to enable interaction with the DefiLlama API for fetching DeFi protocol information and token prices. This implementation addresses the wishlist item for DeFi data integration

The implementation includes three main actions:

• get_token_prices: Fetches current prices for specified tokens with chain prefixes
• get_protocol: Retrieves detailed information about specific DeFi protocols
• search_protocols: Enables searching through DeFi protocols

Key features:

• Clean error handling and response formatting
• Comprehensive unit tests for all actions
• Type-safe implementation using Zod schemas
• No external dependencies beyond the core AgentKit requirements

Qualified Impact

Affected Components:

• Action Providers module
• LangChain integration when using DeFi-related queries

Potential Impact & Resolution:

• Low risk as this is an additive change
• No modifications to existing action providers

In case of errors:

• API-related issues can be resolved by updating endpoint URLs or error handling
• Integration issues can be fixed by updating the provider implementation
• No database or state changes involved
• Can be disabled by removing the provider from the actionProviders array in AgentKit initialization

Testing:

• Unit tests cover successful and error scenarios for all actions
• Manual testing can be performed using the provided chatbot implementation
• Integration tested with LangChain using example queries

This PR helps expand AgentKit's capabilities in the DeFi space by providing easy access to DefiLlama's comprehensive DeFi data, enabling developers to build more sophisticated DeFi-aware AI agents.

[cb-heimdall]

🟡 Heimdall Review Status

Requirement	Status	More Info
Reviews	🟡 0/1	Denominator calculation Show calculation 1 if user is bot 0 1 if user is external 0 From .codeflow.yml 1 Additional review requirements Show calculation Max 0 0 From CODEOWNERS 0 Global minimum 0 Max 1 1 1 if commit is unverified 1 Sum 2

[0xRAG]

Thanks for the PR @bilgin-kocak! I left one request. One other thing that will be needed before merging is to update the CHANGELOG.md: https://github.com/coinbase/agentkit/blob/master/typescript/agentkit/CHANGELOG.md

Please add an entry there with your changes!

[cb-heimdall]

Review Error for 0xRAG @ 2025-02-11 19:27:38 UTC
User failed mfa authentication, public email is not set on your github profile. see go/mfa-help

[bilgin-kocak]

Hey @0xRAG CHANGELOG.md file is updated and more tests added