[Wallet] refactor CWallet/CWalletDB/CDB #8574

1. 
   jonasschnelli commented at 8:15 am on August 24, 2016: contributor

   Try to hide CDB/bitdb behind CWalletDB. This is a first chunk of changes (does not cover everything to avoid an oversized PR).

   Prepare for full wallet database abstraction which is required for smooth migration to a different wallet database format (must be supported in parallel).

   We probably shouldn’t stay forever with Berkley-DB4.8.

2. jonasschnelli added the label Refactoring on Aug 24, 2016
3. jonasschnelli added the label Wallet on Aug 24, 2016
4. 
   pstratem commented at 8:35 am on August 24, 2016: contributor

   Concept ACK
5. 
   MarcoFalke commented at 8:36 am on August 24, 2016: member

   I haven’t looked at this closely but if this is code movement as well as refactoring, I’d prefer two commits (or better: two pulls)
6. 
   jonasschnelli commented at 8:37 am on August 24, 2016: contributor

   Pure moving was not possible. This PR does separate “mixed” code into parts covered by the wallet logic and other parts covered by the database storage logic.
7. 
   dcousens commented at 1:59 am on August 25, 2016: contributor

   concept ACK
8. 
   fanquake commented at 3:20 am on September 9, 2016: member

   This needs a rebase.
9. 
   jmcorgan commented at 7:07 pm on December 3, 2016: contributor

   I have a rebased version of this at jmcorgan/2016/12/bdb_abstraction_2. @jonasschnelli Feel free to clone this and push to update this PR.
10. [Wallet] refactor CWallet/CWalletDB/CDB

    Try to hide CDB/bitdb behinde CWalletDB.
    Prepare for full wallet database abstraction.

    7184e25c80
11. jonasschnelli force-pushed on Mar 6, 2017
12. 
    jonasschnelli commented at 10:33 am on March 6, 2017: contributor

    Rebased. Again, this moves some of the direct BDB interaction from walletdb to the BDB abstraction class CDBEnv. This is a stepping stone for a clean wallet database abstraction.
13. 
    laanwj commented at 11:32 am on March 6, 2017: member

    utACK https://github.com/bitcoin/bitcoin/pull/8574/commits/7184e25c80aa8b1629a700bb7a7e290ad0bb2792
14. laanwj merged this on Mar 6, 2017
15. laanwj closed this on Mar 6, 2017

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Contributors
jonasschnelli pstratem MarcoFalke dcousens fanquake jmcorgan laanwj

Labels
Refactoring Wallet