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feat!: add scanned transaction handling for one-sided payments with callbacks #3794

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hansieodendaal
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Description

  • Added separate statuses for scanned one-sided transactions to enable unique events and validation.
  • Added validation for one-sided payments updating their mined height and confirmations.
  • Added callbacks for scanned one-sided transactions (unconfirmed and confirmed)
  • Updated the wallet FFI with the callbacks.

Motivation and Context

Currently when a one-sided output is found by scanning the blockchain a Faux transaction is created for it with the Imported status, the same as for a manually imported output. Outputs found by scanning (for one-sided payments) should be handled differently to a manual import and their mined height and number confirmations should be validated.

How Has This Been Tested?

  • Unit tests
  • Cucumber tests
  • System level testing

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@philipr-za philipr-za left a comment

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So I feel like something is missing here. The scanned output faux transactions cannot be validated like normal transactions because we do not know their kernels. Their status needs to be driven by the status of the outputs, which for imported transaction was done using the check_imported_transactions task but I can't see anything similar for ScannedUnconfirmed outputs.

base_layer/common_types/src/transaction.rs Outdated Show resolved Hide resolved
base_layer/common_types/src/transaction.rs Outdated Show resolved Hide resolved
base_layer/wallet/src/wallet.rs Outdated Show resolved Hide resolved
base_layer/wallet/src/wallet.rs Outdated Show resolved Hide resolved
base_layer/wallet_ffi/src/callback_handler.rs Show resolved Hide resolved
base_layer/wallet_ffi/src/callback_handler.rs Outdated Show resolved Hide resolved
base_layer/wallet_ffi/src/callback_handler.rs Outdated Show resolved Hide resolved
@hansieodendaal hansieodendaal changed the title [WIP - adding tests] feat!: add scanned transaction handling for one-sided payments with callbacks [WIP] feat!: add scanned transaction handling for one-sided payments with callbacks Feb 8, 2022
- Added separate statuses for faux transactions to enable unique events and
  validation for scanned one-sided transactions.
- Added validation for one-sided payments updating the associated faux transaction
  mined height and confirmations.
- Added callbacks for faux transactions (unconfirmed and confirmed).
- Updated the wallet FFI with the callbacks.
@hansieodendaal hansieodendaal changed the title [WIP] feat!: add scanned transaction handling for one-sided payments with callbacks feat!: add scanned transaction handling for one-sided payments with callbacks Feb 9, 2022
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@philipr-za philipr-za left a comment

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Looks good. My one comment is just a Nit so approving and going start a merge queue

Comment on lines +36 to +50
impl TransactionStatus {
pub fn is_faux(&self) -> bool {
match self {
TransactionStatus::Completed => false,
TransactionStatus::Broadcast => false,
TransactionStatus::MinedUnconfirmed => false,
TransactionStatus::Imported => true,
TransactionStatus::Pending => false,
TransactionStatus::Coinbase => false,
TransactionStatus::MinedConfirmed => false,
TransactionStatus::Rejected => false,
TransactionStatus::FauxUnconfirmed => true,
TransactionStatus::FauxConfirmed => true,
}
}
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Suggested change
impl TransactionStatus {
pub fn is_faux(&self) -> bool {
match self {
TransactionStatus::Completed => false,
TransactionStatus::Broadcast => false,
TransactionStatus::MinedUnconfirmed => false,
TransactionStatus::Imported => true,
TransactionStatus::Pending => false,
TransactionStatus::Coinbase => false,
TransactionStatus::MinedConfirmed => false,
TransactionStatus::Rejected => false,
TransactionStatus::FauxUnconfirmed => true,
TransactionStatus::FauxConfirmed => true,
}
}
impl TransactionStatus {
pub fn is_faux(&self) -> bool {
match self {
TransactionStatus::Imported |
TransactionStatus::FauxUnconfirmed |
TransactionStatus::FauxConfirmed => true,
_ => false,
}
}

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Thanks, I will fix that as a side issue when I submit a new PR based on this merge.

@aviator-app aviator-app bot added mq-failed and removed mq-failed labels Feb 9, 2022
@aviator-app aviator-app bot removed the mq-failed label Feb 9, 2022
@aviator-app aviator-app bot merged commit 5453c9e into tari-project:development Feb 9, 2022
@hansieodendaal hansieodendaal deleted the ho_add_scanned_tx_handling branch February 10, 2022 05:28
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2 participants