Andrew Chow 3f8591d46b Merge bitcoin/bitcoin#26661: wallet: Coin Selection, return accurate error messages ...

76dc547ee7 gui: create tx, launch error dialog if backend throws runtime_error (furszy)
f4d79477ff wallet: coin selection, add duplicated inputs checks (furszy)
0aa065b14e wallet: return accurate error messages from Coin Selection (furszy)
7e8340ab1a wallet: make SelectCoins flow return util::Result (furszy)
e5e147fe97 wallet: refactor eight consecutive 'AttemptSelection' calls into a loop (furszy)

Pull request description:

  Work decoupled from #25806, which cleanup and improves the Coin Selection flow further.

  Adding the capability to propagate specific error messages from the Coin Selection process to the user.
  Instead of always returning the general "Insufficient funds" message which is not always accurate to what happened internally.
  Letting us instruct the user how to proceed under certain circumstances.

  The following error messages were added:

  1) If the selection result exceeds the maximum transaction weight,
     we now will return:
  -> "The inputs size exceeds the maximum weight. Please try sending
  a smaller amount or manually consolidating your wallet's UTXOs".

  2) If the user pre-selected inputs and disallowed the automatic coin
     selection process (no other inputs are allowed), we now will
     return:
  -> "The preselected coins total amount does not cover the transaction
  target. Please allow other inputs to be automatically selected or include
  more coins manually".

  3) The double-counted preset inputs during Coin Selection error will now
  throw an "internal bug detected" message instead of crashing the node.

  The essence of this work comes from several comments:
  1. https://github.com/bitcoin/bitcoin/pull/26560#discussion_r1037395665
  2. https://github.com/bitcoin/bitcoin/pull/25729#discussion_r940619491
  3. https://github.com/bitcoin/bitcoin/pull/25269#pullrequestreview-1135240825
  4. https://github.com/bitcoin/bitcoin/issues/23144 (which is connected to #24845)

ACKs for top commit:
  ishaanam:
    crACK 76dc547ee7
  achow101:
    ACK 76dc547ee7
  aureleoules:
    ACK 76dc547ee7
  theStack:
    ACK 76dc547ee7 🌇

Tree-SHA512: 9de30792d7a5849cae77747aa978e70390b66ee9d082779a56088a024f82e725b0af050e6603aece0ac8229f6d73bc471ba97b4ab69dc7eddf419f5f56ae89a5

2023-01-03 18:53:36 -05:00

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