kora.toml

[kora]
rate_limit = 100
# Optional: Payment address to receive payment tokens (defaults to signer address)
# payment_address = "YourPaymentAddressPubkey11111111111111111111"

[kora.auth]
# Optional: API key for simple authentication
# api_key = "your-api-key-here"
# Optional: HMAC secret for signed requests
# hmac_secret = "your-hmac-secret-here"

[kora.cache]
enabled = false
default_ttl = 300
account_ttl = 60

[validation]
price_source = "Mock"
max_allowed_lamports = 1000000
max_signatures = 10
allowed_programs = [
    "11111111111111111111111111111111",              # System Program
    "TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA",   # Token Program
    "ATokenGPvbdGVxr1b2hvZbsiqW5xWH25efTNsLJA8knL",  # Associated Token Program
    "AddressLookupTab1e1111111111111111111111111",   # Address Lookup Table Program
    "ComputeBudget11111111111111111111111111111111", # Compute Budget Program
]
allowed_tokens = [
    "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", # mainnet USDC
    "So11111111111111111111111111111111111111112",  # SOL
    "4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU", # devnet USDC
]
allowed_spl_paid_tokens = [
    "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", # mainnet USDC
    "4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU", # devnet USDC
]
disallowed_accounts = []

# Fee payer policy controls what actions the fee payer can perform
# All default to false for security
[validation.fee_payer_policy]
allow_sol_transfers = true      # Allow fee payer to be source in SOL transfers
allow_spl_transfers = true      # Allow fee payer to be source in SPL token transfers
allow_token2022_transfers = true # Allow fee payer to be source in Token2022 transfers
allow_assign = true             # Allow fee payer to use Assign instruction
allow_burn = true               # Allow fee payer to burn tokens from their accounts
allow_close_account = true      # Allow fee payer to close their token accounts
allow_approve = true            # Allow fee payer to approve tokens from their accounts

[kora.enabled_methods]
liveness = false
estimate_transaction_fee = true
get_supported_tokens = true
sign_transaction = true
sign_and_send_transaction = true
transfer_transaction = true
get_blockhash = true
get_config = true
sign_transaction_if_paid = true
get_payer_signer = true

[validation.price]
type = "margin" # free / margin / fixed
margin = 0.1  # # 10% margin (0.1 = 10%, 1.0 = 100%)

[validation.token2022]
blocked_mint_extensions = [
    # "confidential_transfer_mint",     # Confidential transfer configuration for the mint
    # "confidential_mint_burn",         # Confidential mint and burn configuration
    # "transfer_fee_config",            # Transfer fee configuration
    # "mint_close_authority",           # Authority allowed to close the mint
    # "interest_bearing_config",        # Interest-bearing token configuration
    # "non_transferable",               # Makes tokens non-transferable
    # "permanent_delegate",             # Permanent delegate for the mint
    # "transfer_hook",                  # Block tokens with transfer hooks
    # "pausable",                       # Block pausable tokens
]
blocked_account_extensions = [
    # "confidential_transfer_account", # Confidential transfer state for the account
    # "non_transferable_account",      # Non-transferable token account
    # "transfer_hook_account",          # Transfer hook state for the account
    # "pausable_account",               # Pausable token account state
    # "memo_transfer",                  # Requires memo for transfers
    # "cpi_guard",                      # Prevents certain CPI calls
    # "immutable_owner",                # Account owner cannot be changed
    # "default_account_state",          # Default state for new accounts
]

[metrics]
enabled = true
endpoint = "/metrics"
port = 8080  # Same port as main server, or separate port like 9090
scrape_interval = 60

[metrics.fee_payer_balance]
enabled = true
expiry_seconds = 30