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use libp2p_core::multiaddr::Multiaddr;
pub(crate) fn as_string(ma: &Multiaddr) -> String {
let len = ma
.protocol_stack()
.fold(0, |acc, proto| acc + proto.len() + 1);
let mut protocols = String::with_capacity(len);
for proto_tag in ma.protocol_stack() {
protocols.push('/');
protocols.push_str(proto_tag);
}
protocols
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn ip6_tcp_wss_p2p() {
let ma = Multiaddr::try_from("/ip6/2001:8a0:7ac5:4201:3ac9:86ff:fe31:7095/tcp/8000/wss/p2p/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC").expect("testbad");
let protocol_stack = as_string(&ma);
assert_eq!(protocol_stack, "/ip6/tcp/wss/p2p");
let ma = Multiaddr::try_from("/ip6/2001:8a0:7ac5:4201:3ac9:86ff:fe31:7095/tcp/8000/tls/ws/p2p/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC").expect("testbad");
let protocol_stack = as_string(&ma);
assert_eq!(protocol_stack, "/ip6/tcp/tls/ws/p2p");
}
}
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