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[ZCash] Implement Zcash sync process and Orchard inputs spending #27018

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@cypt4 cypt4 commented Dec 13, 2024

Resolves brave/brave-browser#42898

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    • npm run test -- brave_browser_tests, npm run test -- brave_unit_tests wiki
    • npm run presubmit wiki, npm run gn_check, npm run tslint
  • Ran git rebase master (if needed)

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Test Plan:

@github-actions github-actions bot added CI/storybook-url Deploy storybook and provide a unique URL for each build feature/web3/wallet feature/web3/wallet/core labels Dec 13, 2024
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A Storybook has been deployed to preview UI for the latest push

@cypt4 cypt4 changed the title Implement Zcash sync process [ZCash] Implement Zcash sync process and Orchard inputs spending Dec 16, 2024
Comment on lines +71 to +80
// Create shielded transaction
zcash_wallet_service_->CreateShieldedTransaction(
chain_id, from->Clone(), zec_tx_data->to, zec_tx_data->amount, memo,
base::BindOnce(&ZCashTxManager::ContinueAddUnapprovedTransaction,
weak_factory_.GetWeakPtr(), chain_id, from.Clone(),
origin, std::move(callback)));
} else {
// Create transparent to shielded transaction
zcash_wallet_service_->CreateShieldTransaction(
chain_id, from->Clone(), zec_tx_data->to, zec_tx_data->amount, memo,
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Can it have some better naming?

CreateShieldedTransaction
CreateShieldTransaction


// ZCashScanBlocksTask scans blocks from the last scanned block to the provided
// right border. Splits this range to subranges and uses a bunch of smaller
// tasks to process. Current implementation uses sequentally scanning. Parallel
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@supermassive supermassive Dec 19, 2024

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sequential

@@ -259,6 +259,23 @@ const GURL MakeGetCompactBlocksURL(const GURL& base_url) {
return base_url.ReplaceComponents(replacements);
}

const GURL MakeGetSubtreeRootsURL(const GURL& base_url) {
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We should not return values marked with const. This applies to other functions in this file
const GURL

Comment on lines +158 to +159
// DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
// return storage_.UpdateSubtreeRoots(account_id, start_index, roots);
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leftover it seems

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[ZCash] Implement spending of shielded inputs
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