Module constants

Tag constants as specified in BOLT11

Constants

• TAG_DESCRIPTION
• TAG_DESCRIPTION_HASH
• TAG_EXPIRY_TIME
• TAG_FALLBACK
• TAG_FEATURES
• TAG_MIN_FINAL_CLTV_EXPIRY_DELTA
• TAG_PAYEE_PUB_KEY
• TAG_PAYMENT_HASH
• TAG_PAYMENT_METADATA
• TAG_PAYMENT_SECRET
• TAG_PRIVATE_ROUTE