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Yura Zarudniy
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Feature: chain store (#89)
* start implementing Signed-off-by: Yura Zarudniy <[email protected]> * rebased on master Signed-off-by: Yura Zarudniy <[email protected]> * continue implementing Signed-off-by: Yura Zarudniy <[email protected]> * update tinycbor Signed-off-by: Yura Zarudniy <[email protected]> * add CID to/from json Signed-off-by: Yura Zarudniy <[email protected]> * fix cid encode/decode Signed-off-by: Yura Zarudniy <[email protected]> * add draw randomness Signed-off-by: Yura Zarudniy <[email protected]> * update submodules, add chain_data_store, refactore datastore_key usage Signed-off-by: Yura Zarudniy <[email protected]> * temporary fix for cbor key encode Signed-off-by: Yura Zarudniy <[email protected]> * implement load functions Signed-off-by: Yura Zarudniy <[email protected]> * refactore datastore key, add cbor encode/decode Signed-off-by: Yura Zarudniy <[email protected]> * complete adding block, add comments, refactore Signed-off-by: Yura Zarudniy <[email protected]> * add some tests, fix mistakes Signed-off-by: Yura Zarudniy <[email protected]> * add datastore tests Signed-off-by: Yura Zarudniy <[email protected]> * add test for chain store Signed-off-by: Yura Zarudniy <[email protected]> * fix review issues Signed-off-by: Yura Zarudniy <[email protected]> * fix rebase issues Signed-off-by: Yura Zarudniy <[email protected]>
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‎core/blockchain/CMakeLists.txt

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#
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add_subdirectory(message_pool)
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add_library(block_validator
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impl/block_validator_impl.cpp
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)
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target_link_libraries(block_validator
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block
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)
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add_library(weight_calculator
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impl/weight_calculator_impl.cpp
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)
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target_link_libraries(weight_calculator
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tipset
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)

‎core/blockchain/block_validator.hpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CPP_FILECOIN_CORE_CHAIN_BLOCK_VALIDATOR_HPP
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#define CPP_FILECOIN_CORE_CHAIN_BLOCK_VALIDATOR_HPP
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#include "primitives/block/block.hpp"
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namespace fc::blockchain::block_validator {
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/**
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* @class BlockValidator block validator interface
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*/
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class BlockValidator {
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public:
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using BlockHeader = primitives::block::BlockHeader;
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virtual ~BlockValidator() = default;
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virtual outcome::result<void> validateBlock(
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const BlockHeader &block) const = 0;
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};
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} // namespace fc::chain::block_validator
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#endif // CPP_FILECOIN_CORE_CHAIN_BLOCK_VALIDATOR_HPP

‎core/blockchain/chain_manager.hpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CPP_FILECOIN_CORE_PRIMITIVES_CHAIN_CHAIN_MANAGER_HPP
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#define CPP_FILECOIN_CORE_PRIMITIVES_CHAIN_CHAIN_MANAGER_HPP
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namespace fc::primitives::chain {
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class ChainManager {
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public:
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virtual ~ChainManager()= default;
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};
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}
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#endif //CPP_FILECOIN_CORE_PRIMITIVES_CHAIN_CHAIN_MANAGER_HPP

‎core/blockchain/chain_tips_manager.hpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CPP_FILECOIN_CORE_PRIMITIVES_CHAIN_CHAIN_TIPS_MANAGER_HPP
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#define CPP_FILECOIN_CORE_PRIMITIVES_CHAIN_CHAIN_TIPS_MANAGER_HPP
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#include "primitives/tipset/tipset.hpp"
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namespace fc::primitives::chain {
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class ChainTipsManager {
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virtual ~ChainTipsManager() = default;
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// Returns the ticket that is at round 'r' in the chain behind 'head'
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virtual outcome::result<std::reference_wrapper<const ticket::Ticket>>
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getTicketFromRound(const tipset::Tipset &tipset, uint64_t rount) const = 0;
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// Returns the tipset that contains round r (Note: multiple rounds' worth of
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// tickets may exist within a single block due to losing tickets being added
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// to the eventually successfully generated block)
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virtual outcome::result<std::reference_wrapper<const tipset::Tipset>>
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getTipsetFromRound(const tipset::Tipset &tipset, uint64_t round) const = 0;
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// GetBestTipset returns the best known tipset. If the 'best' tipset hasn't
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// changed, then this will return the previous best tipset.
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virtual outcome::result<std::reference_wrapper<const tipset::Tipset>>
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getBestTipset() const = 0;
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// Adds the losing ticket to the chaintips manager so that blocks can be
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// mined on top of it
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virtual outcome::result<void> addLosingTicket(
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const tipset::Tipset &parent, const ticket::Ticket &ticket) = 0;
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};
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} // namespace fc::primitives::chain
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#endif // CPP_FILECOIN_CORE_PRIMITIVES_CHAIN_CHAIN_TIPS_MANAGER_HPP

‎core/blockchain/impl/block_validator_impl.cpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "blockchain/impl/block_validator_impl.hpp"
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namespace fc::blockchain::block_validator {
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// TODO (yuraz): FIL-87 implement proper validation
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outcome::result<void> BlockValidatorImpl::validateBlock(
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const BlockHeader &block) const {
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return outcome::success();
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}
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} // namespace fc::chain::block_validator

‎core/blockchain/impl/block_validator_impl.hpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CPP_FILECOIN_CORE_CHAIN_IMPL_BLOCK_VALIDATOR_IMPL_HPP
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#define CPP_FILECOIN_CORE_CHAIN_IMPL_BLOCK_VALIDATOR_IMPL_HPP
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#include "blockchain/block_validator.hpp"
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namespace fc::blockchain::block_validator {
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class BlockValidatorImpl : public BlockValidator {
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public:
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~BlockValidatorImpl() override = default;
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outcome::result<void> validateBlock(
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const BlockHeader &block) const override;
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};
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} // namespace fc::chain::block_validator
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#endif // CPP_FILECOIN_CORE_CHAIN_IMPL_BLOCK_VALIDATOR_IMPL_HPP

‎core/blockchain/impl/weight_calculator_impl.cpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "blockchain/impl/weight_calculator_impl.hpp"
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namespace fc::blockchain::weight {
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using primitives::BigInt;
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outcome::result<BigInt> WeightCalculatorImpl::calculateWeight(
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const Tipset &tipset) {
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// TODO(yuraz): FIL-155 implement weight calculator, this one is stub
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return 1;
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}
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} // namespace fc::blockchain::weight

‎core/blockchain/impl/weight_calculator_impl.hpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CPP_FILECOIN_CORE_CHAIN_IMPL_WEIGHT_CALCULATOR_IMPL_HPP
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#define CPP_FILECOIN_CORE_CHAIN_IMPL_WEIGHT_CALCULATOR_IMPL_HPP
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#include "blockchain/weight_calculator.hpp"
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namespace fc::blockchain::weight {
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// TODO(yuraz): FIL-155 implement weight calculator, this one is stub
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class WeightCalculatorImpl : public WeightCalculator {
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public:
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~WeightCalculatorImpl() override = default;
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outcome::result<BigInt> calculateWeight(const Tipset &tipset) override;
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};
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} // namespace fc::blockchain::weight
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#endif // CPP_FILECOIN_CORE_CHAIN_IMPL_WEIGHT_CALCULATOR_IMPL_HPP

‎core/blockchain/weight_calculator.hpp

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/**
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* Copyright Soramitsu Co., Ltd. All Rights Reserved.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef CPP_FILECOIN_CORE_STORAGE_CHAIN_WEIGHTCALCULATOR_HPP
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#define CPP_FILECOIN_CORE_STORAGE_CHAIN_WEIGHTCALCULATOR_HPP
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#include "primitives/big_int.hpp"
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#include "primitives/tipset/tipset.hpp"
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namespace fc::blockchain::weight {
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/**
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* @class WeightCalculator is an interface providing a method for calculating
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* tipset weight
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*/
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class WeightCalculator {
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public:
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using BigInt = primitives::BigInt;
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using Tipset = primitives::tipset::Tipset;
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virtual ~WeightCalculator() = default;
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virtual outcome::result<BigInt> calculateWeight(const Tipset &tipset) = 0;
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};
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} // namespace fc::blockchain::weight
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#endif // CPP_FILECOIN_CORE_STORAGE_CHAIN_WEIGHTCALCULATOR_HPP

‎core/primitives/CMakeLists.txt

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add_subdirectory(address)
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add_subdirectory(block)
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add_subdirectory(chain)
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add_subdirectory(chain_epoch)
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add_subdirectory(cid)
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add_subdirectory(persistent_block)
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add_subdirectory(rle_bitset)
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add_subdirectory(ticket)
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add_subdirectory(tipset)

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