/// Tag constants as specified in BOLT11
use alloc::str::FromStr;
+use alloc::string::String;
use core::ffi::c_void;
use core::convert::Infallible;
use bitcoin::hashes::Hash;
#[no_mangle]
pub static TAG_PAYMENT_SECRET: u8 = lightning_invoice::constants::TAG_PAYMENT_SECRET;
+#[no_mangle]
+pub static TAG_PAYMENT_METADATA: u8 = lightning_invoice::constants::TAG_PAYMENT_METADATA;
+
#[no_mangle]
pub static TAG_FEATURES: u8 = lightning_invoice::constants::TAG_FEATURES;