[ref] blockchain: reorganization of the crate. (only fn moving)

lib/core/core/lib.rs

lib/modules/blockchain/blockchain/Cargo.toml

lib/modules/blockchain/blockchain/src/constants.rs

lib/modules/blockchain/blockchain/src/dbex.rs

lib/modules/blockchain/blockchain/src/dubp/apply/mod.rs

lib/modules/blockchain/blockchain/src/dubp/check/hashs.rs

lib/modules/blockchain/blockchain/src/dubp/check/mod.rs

lib/modules/blockchain/blockchain/src/dubp/mod.rs

lib/modules/blockchain/blockchain/src/dunp/mod.rs

lib/modules/blockchain/blockchain/src/dunp/queries.rs

lib/modules/blockchain/blockchain/src/dunp/receiver.rs

lib/modules/blockchain/blockchain/src/events/mod.rs

lib/modules/blockchain/blockchain/src/fork/fork_algo.rs

lib/modules/blockchain/blockchain/src/fork/mod.rs

lib/modules/blockchain/blockchain/src/fork/revert_block.rs

lib/modules/blockchain/blockchain/src/fork/rollback.rs

lib/modules/blockchain/blockchain/src/lib.rs

lib/modules/blockchain/blockchain/src/requests/mod.rs

lib/modules/blockchain/blockchain/src/responses/mod.rs

...les/blockchain/blockchain/src/sync/apply/blocks_worker.rs