does cashu-ts support locking cashu to a pubkey and melting cashu from a pubkey?

what do I need to know to lock cashu to an npub and melt it from that npub?

cc  nostr:npub12rv5lskctqxxs2c8rf2zlzc7xx3qpvzs3w4etgemauy9thegr43sf485vg  nostr:npub1mhcr4j594hsrnen594d7700n2t03n8gdx83zhxzculk6sh9nhwlq7uc226