e4a0c3547ed886871f8b3d51c6b4ffdb181a8b9c Improve blocksdir functional test. (Hennadii Stepanov) c3f1821ac788e522e7558e3575150433450dcb8c Make blockdir always net specific (Hennadii Stepanov) Pull request description: The blocks directory is net specific by definition. Also this prevents the side effect of calling `GetBlocksDir(false)` in the non-mainnet environment. Currently a new node creates an unused `blocks\` directory in the root of the data directory when `-testnet` or `-regtest` is specified. Refs: - #12653 - https://github.com/bitcoin/bitcoin/pull/12653#discussion_r174784834 by @laanwj - https://github.com/bitcoin/bitcoin/issues/14595#issuecomment-436011186 Tree-SHA512: c9957a68a4a200ebd2010823a56db7e61563afedcb7c9828e86b13f3af2990e07854b622c1f3374756f94574acb3ea32de7d2a399eef6c0623f0e11265155627