Simplify p2p syncing api.
Simplify p2p syncing api.

martindale/bitcore,martindale/bitcore,bitpay/bitcore,bitjson/bitcore,bitpay/bitcore,martindale/bitcore,bitjson/bitcore,bitpay/bitcore,martindale/bitcore,bitpay/bitcore,bitjson/bitcore,bitjson/bitcore