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Implelent shard tree and shard storage
Resolves brave/brave-browser#39314
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65 changes: 65 additions & 0 deletions
65
components/brave_wallet/browser/internal/orchard_shard_tree_manager.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* Copyright (c) 2024 The Brave Authors. All rights reserved. | ||
| * This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| * You can obtain one at https://mozilla.org/MPL/2.0/. */ | ||
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| #include "brave/components/brave_wallet/browser/internal/orchard_shard_tree_manager.h" | ||
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| #include "brave/components/brave_wallet/common/zcash_utils.h" | ||
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| namespace brave_wallet { | ||
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| // static | ||
| std::unique_ptr<OrchardShardTreeManager> OrchardShardTreeManager::Create( | ||
| std::unique_ptr<OrchardShardTreeDelegate> delegate) { | ||
| auto shard_tree = orchard::OrchardShardTree::Create(std::move(delegate)); | ||
| if (!shard_tree) { | ||
| return nullptr; | ||
| } | ||
| return std::make_unique<OrchardShardTreeManager>(std::move(shard_tree)); | ||
| } | ||
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| // static | ||
| std::unique_ptr<OrchardShardTreeManager> | ||
| OrchardShardTreeManager::CreateForTesting( | ||
| std::unique_ptr<OrchardShardTreeDelegate> delegate) { | ||
| auto shard_tree = | ||
| orchard::OrchardShardTree::CreateForTesting(std::move(delegate)); | ||
| if (!shard_tree) { | ||
| return nullptr; | ||
| } | ||
| return std::make_unique<OrchardShardTreeManager>(std::move(shard_tree)); | ||
| } | ||
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| OrchardShardTreeManager::OrchardShardTreeManager( | ||
| std::unique_ptr<::brave_wallet::orchard::OrchardShardTree> shard_tree) { | ||
| orchard_shard_tree_ = std::move(shard_tree); | ||
| } | ||
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| OrchardShardTreeManager::~OrchardShardTreeManager() {} | ||
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| bool OrchardShardTreeManager::InsertCommitments( | ||
| OrchardBlockScanner::Result result) { | ||
| return orchard_shard_tree_->ApplyScanResults( | ||
| std::move(result.scanned_blocks)); | ||
| } | ||
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| base::expected<std::vector<OrchardInput>, std::string> | ||
| OrchardShardTreeManager::CalculateWitness(std::vector<OrchardInput> notes, | ||
| uint32_t checkpoint_position) { | ||
| for (auto& input : notes) { | ||
| auto witness = orchard_shard_tree_->CalculateWitness( | ||
| input.note.orchard_commitment_tree_position, checkpoint_position); | ||
| if (!witness.has_value()) { | ||
| return base::unexpected(witness.error()); | ||
| } | ||
| input.witness = witness.value(); | ||
| } | ||
| return notes; | ||
| } | ||
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| bool OrchardShardTreeManager::Truncate(uint32_t checkpoint) { | ||
| return orchard_shard_tree_->TruncateToCheckpoint(checkpoint); | ||
| } | ||
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| } // namespace brave_wallet |
47 changes: 47 additions & 0 deletions
47
components/brave_wallet/browser/internal/orchard_shard_tree_manager.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| /* Copyright (c) 2024 The Brave Authors. All rights reserved. | ||
| * This Source Code Form is subject to the terms of the Mozilla Public | ||
| * License, v. 2.0. If a copy of the MPL was not distributed with this file, | ||
| * You can obtain one at https://mozilla.org/MPL/2.0/. */ | ||
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| #ifndef BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_INTERNAL_ORCHARD_SHARD_TREE_MANAGER_H_ | ||
| #define BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_INTERNAL_ORCHARD_SHARD_TREE_MANAGER_H_ | ||
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| #include <memory> | ||
| #include <string> | ||
| #include <utility> | ||
| #include <vector> | ||
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| #include "base/types/expected.h" | ||
| #include "brave/components/brave_wallet/browser/internal/orchard_block_scanner.h" | ||
| #include "brave/components/brave_wallet/browser/zcash/rust/orchard_shard_tree.h" | ||
| #include "brave/components/brave_wallet/common/zcash_utils.h" | ||
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| namespace brave_wallet { | ||
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| class OrchardShardTreeManager { | ||
| public: | ||
| OrchardShardTreeManager( | ||
| std::unique_ptr<::brave_wallet::orchard::OrchardShardTree> shard_tree); | ||
| ~OrchardShardTreeManager(); | ||
| bool InsertCommitments(OrchardBlockScanner::Result commitments); | ||
| base::expected<std::vector<OrchardInput>, std::string> CalculateWitness( | ||
| std::vector<OrchardInput> notes, | ||
| uint32_t checkpoint_position); | ||
| bool Truncate(uint32_t checkpoint); | ||
| base::expected<bool, std::string> VerifyCheckpoint(); | ||
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| static std::unique_ptr<OrchardShardTreeManager> Create( | ||
| std::unique_ptr<OrchardShardTreeDelegate> delegate); | ||
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| // Creates shard tree size of 8 for testing | ||
| static std::unique_ptr<OrchardShardTreeManager> CreateForTesting( | ||
| std::unique_ptr<OrchardShardTreeDelegate> delegate); | ||
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| private: | ||
| std::unique_ptr<::brave_wallet::orchard::OrchardShardTree> | ||
| orchard_shard_tree_; | ||
| }; | ||
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| } // namespace brave_wallet | ||
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| #endif // BRAVE_COMPONENTS_BRAVE_WALLET_BROWSER_INTERNAL_ORCHARD_SHARD_TREE_MANAGER_H_ |
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