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@pbtc21 pbtc21 commented Jan 21, 2026

Summary

  • Implements Phase 2 of Bitcoin Agents - backend API, tools, and services
  • Adds data models, FastAPI router, contract tools, and lifecycle services
  • Integrates Bitcoin Faces API for agent visuals

Changes

Models (app/backend/models.py)

  • BitcoinAgentStatus enum (alive/dead)
  • BitcoinAgentLevel enum (5 evolution tiers)
  • BitcoinAgent model with on-chain data, computed state, face URLs
  • DeathCertificate model with epitaph support
  • Filter models for queries

API Router (app/api/bitcoin_agents.py)

Endpoint Method Description
/bitcoin-agents GET List agents with filters
/bitcoin-agents/leaderboard GET Top agents by XP
/bitcoin-agents/graveyard GET Dead agents memorial
/bitcoin-agents/stats GET Global statistics
/bitcoin-agents/food-tiers GET Food pricing info
/bitcoin-agents/{id} GET Get specific agent
/bitcoin-agents/{id}/status GET Computed hunger/health
/bitcoin-agents/mint POST x402 mint payment flow
/bitcoin-agents/{id}/feed POST x402 feed payment flow
/bitcoin-agents/{id}/check-death POST Process death

Tools (app/tools/bitcoin_agents.py)

  • Contract read functions (get_agent_state, get_computed_state)
  • Transaction builders (mint, feed, check-death, epitaph, add-xp)
  • Batch operations (check_and_process_deaths)
  • LangChain tools for MCP integration

Services (app/services/bitcoin_agents/)

  • face_service.py: Bitcoin Faces API integration with caching
  • lifecycle_service.py: Background jobs for death checks and alerts

Test plan

  • API endpoints return expected responses
  • Models serialize/deserialize correctly
  • Face service fetches from bitcoinfaces.xyz
  • Integration with existing auth system

Related

🤖 Generated with Claude Code

pbtc21 and others added 2 commits January 21, 2026 02:24
Implements Phase 2 of Bitcoin Agents backend integration:

Models (app/backend/models.py):
- BitcoinAgentStatus enum (alive/dead)
- BitcoinAgentLevel enum (hatchling/junior/senior/elder/legendary)
- BitcoinAgent model with on-chain data, computed state, face URLs
- BitcoinAgentFilter for queries
- DeathCertificate model with epitaph support
- DeathCertificateFilter

API Router (app/api/bitcoin_agents.py):
- GET /bitcoin-agents - List all agents with filters
- GET /bitcoin-agents/leaderboard - Top agents by XP
- GET /bitcoin-agents/graveyard - Dead agents memorial
- GET /bitcoin-agents/stats - Global statistics
- GET /bitcoin-agents/food-tiers - Food pricing info
- GET /bitcoin-agents/{id} - Get specific agent
- GET /bitcoin-agents/{id}/status - Computed hunger/health
- GET /bitcoin-agents/{id}/death-certificate
- POST /bitcoin-agents/mint - x402 payment flow
- POST /bitcoin-agents/{id}/feed - x402 payment flow
- POST /bitcoin-agents/{id}/check-death
- POST /bitcoin-agents/{id}/epitaph

Tools (app/tools/bitcoin_agents.py):
- Contract read functions (get_agent_state, get_computed_state, etc.)
- Transaction builders (build_mint_agent_tx, build_feed_agent_tx, etc.)
- Batch operations (check_and_process_deaths)
- LangChain tools for MCP integration

Services (app/services/bitcoin_agents/):
- face_service.py: Bitcoin Faces API integration with caching
- lifecycle_service.py: Background jobs for death checks, alerts, stats

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Phase 3 implementation:
- Add tier-based tool access (TIER_CAPABILITIES) with 5 levels:
  - Hatchling (0): Read-only operations
  - Junior (1): Simple transfers
  - Senior (2): Trading and contracts
  - Elder (3): DAO participation and social
  - Legendary (4): Full autonomy
- Create MCPService with execute_action and tool initialization
- Integrate with existing LangChain tools via tools_factory
- Add XP rewards for completed actions (ACTION_XP_REWARDS)
- Implement agent-to-agent visit interactions with rate limiting
- Add API endpoints:
  - GET /{agent_id}/capabilities
  - POST /{agent_id}/execute
  - POST /{agent_id}/visit/{host_agent_id}
  - GET /tier-info

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Complete API reference for Bitcoin Agents endpoints:
- Agent CRUD operations
- Leaderboard and graveyard
- Food tiers and stats
- Payment endpoints (x402)
- MCP integration endpoints
- Error codes and rate limits
- Evolution tier reference

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@pbtc21
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pbtc21 commented Jan 21, 2026

@whoabuddy Ready for review - Bitcoin Agents backend API. Adds endpoints for agent lifecycle, feeding, death checks, leaderboard, graveyard, and MCP tool execution.

- Add network validation (must be mainnet or testnet)
- Add agent_id validation via Path (must be >= 0)
- Support contract addresses via environment variables
- Add validate_network and get_contract_address helpers

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
@pbtc21
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pbtc21 commented Jan 21, 2026

Fixes pushed:

  • Added network parameter validation (must be mainnet or testnet)
  • Added agent_id validation via Path (must be >= 0)
  • Contract addresses now configurable via environment variables
  • Added validate_network() and get_contract_address() helpers

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