[ref] durs-bc-db: migrate currencies dbs to lmdb

Cargo.lock

lib/dubp/block-doc/src/block/v10.rs

lib/dubp/block-doc/src/parser.rs

lib/dubp/indexes/src/sindex.rs

lib/modules-lib/bc-db-reader/src/constants.rs

lib/modules-lib/bc-db-reader/src/current_meta_datas.rs

lib/modules-lib/bc-db-reader/src/indexes.rs

lib/modules-lib/bc-db-reader/src/indexes/balance.rs

lib/modules-lib/bc-db-reader/src/indexes/identities.rs

lib/modules-lib/bc-db-reader/src/indexes/sources.rs

lib/modules-lib/bc-db-reader/src/lib.rs

lib/modules/blockchain/bc-db-writer/src/blocks.rs

lib/modules/blockchain/bc-db-writer/src/blocks/fork_tree.rs

lib/modules/blockchain/bc-db-writer/src/indexes/certs.rs

lib/modules/blockchain/bc-db-writer/src/indexes/dividends.rs

...modules/blockchain/bc-db-writer/src/indexes/identities.rs

...dules/blockchain/bc-db-writer/src/indexes/transactions.rs

lib/modules/blockchain/bc-db-writer/src/lib.rs

lib/modules/blockchain/bc-db-writer/src/writers/mod.rs

lib/modules/blockchain/bc-db-writer/src/writers/requests.rs