complete port of cuckoo.h/verify.c to Cuckoo.java
complete port of cuckoo.h/verify.c to Cuckoo.java

Electric-Coin-Company/cuckoo,Electric-Coin-Company/cuckoo,zitterbewegung/cuckoo,daukantas/cuckoo,daukantas/cuckoo,daukantas/cuckoo,zitterbewegung/cuckoo,Electric-Coin-Company/cuckoo,daukantas/cuckoo,zitterbewegung/cuckoo,Electric-Coin-Company/cuckoo,zitterbewegung/cuckoo