# Bitcoin Knots Configuration Variables

# Version - REQUIRED: Specify exact version/tag to build
bitcoin_knots_version: "v29.2.knots20251110"  # Must specify exact version/tag
bitcoin_knots_version_short: "29.2.knots20251110"  # Version without 'v' prefix (for tarball URLs)

# Directories
bitcoin_knots_dir: /opt/bitcoin-knots
bitcoin_knots_source_dir: "{{ bitcoin_knots_dir }}/source"
bitcoin_data_dir: /var/lib/bitcoin  # Standard location for config, logs, wallets
bitcoin_large_data_dir: /mnt/knots_data  # Custom location for blockchain data (blocks, chainstate)
bitcoin_conf_dir: /etc/bitcoin

# Network
bitcoin_rpc_port: 8332
bitcoin_p2p_port: 8333
bitcoin_rpc_bind: "127.0.0.1"  # Security: localhost only
bitcoin_tailscale_interface: tailscale0  # Tailscale interface for UFW rules

# Build options
bitcoin_build_jobs: 4  # Parallel build jobs (-j flag), adjust based on CPU cores
bitcoin_build_prefix: /usr/local

# Configuration options
bitcoin_enable_txindex: true  # Set to true if transaction index needed (REQUIRED for Electrum servers like Electrs/ElectrumX)
bitcoin_enable_prune: false  # Set to prune amount (e.g., 550) to enable pruning, false for full node (MUST be false for Electrum servers)
bitcoin_max_connections: 125
# dbcache will be calculated as 90% of host RAM automatically in playbook

# Service user
bitcoin_user: bitcoin
bitcoin_group: bitcoin