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Multisignature API, Low level and High level APIs
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Antonio Juarez
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Apr 6, 2015
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,29 @@ | ||
| // Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers | ||
| // | ||
| // This file is part of Bytecoin. | ||
| // | ||
| // Bytecoin is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Bytecoin is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Lesser General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public License | ||
| // along with Bytecoin. If not, see <http://www.gnu.org/licenses/>. | ||
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| #pragma once | ||
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| namespace CryptoNote { | ||
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| template <typename T> | ||
| class IObservable { | ||
| public: | ||
| virtual void addObserver(T* observer) = 0; | ||
| virtual void removeObserver(T* observer) = 0; | ||
| }; | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| // Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers | ||
| // | ||
| // This file is part of Bytecoin. | ||
| // | ||
| // Bytecoin is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Bytecoin is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Lesser General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public License | ||
| // along with Bytecoin. If not, see <http://www.gnu.org/licenses/>. | ||
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| #pragma once | ||
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| #include <sstream> | ||
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| namespace CryptoNote { | ||
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| class IStreamSerializable { | ||
| public: | ||
| virtual void save(std::ostream& os) = 0; | ||
| virtual void load(std::istream& in) = 0; | ||
| }; | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,180 @@ | ||
| // Copyright (c) 2012-2014, The CryptoNote developers, The Bytecoin developers | ||
| // | ||
| // This file is part of Bytecoin. | ||
| // | ||
| // Bytecoin is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU Lesser General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Bytecoin is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU Lesser General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU Lesser General Public License | ||
| // along with Bytecoin. If not, see <http://www.gnu.org/licenses/>. | ||
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| #pragma once | ||
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| #include <array> | ||
| #include <cstdint> | ||
| #include <vector> | ||
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| namespace CryptoNote { | ||
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| typedef std::array<uint8_t, 32> PublicKey; | ||
| typedef std::array<uint8_t, 32> SecretKey; | ||
| typedef std::array<uint8_t, 32> KeyImage; | ||
| typedef std::array<uint8_t, 32> Hash; | ||
| typedef std::vector<uint8_t> Blob; | ||
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| struct AccountAddress { | ||
| PublicKey spendPublicKey; | ||
| PublicKey viewPublicKey; | ||
| }; | ||
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| struct AccountKeys { | ||
| AccountAddress address; | ||
| SecretKey spendSecretKey; | ||
| SecretKey viewSecretKey; | ||
| }; | ||
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| struct KeyPair { | ||
| PublicKey publicKey; | ||
| SecretKey secretKey; | ||
| }; | ||
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| namespace TransactionTypes { | ||
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| enum class InputType : uint8_t { Invalid, Key, Multisignature, Generating }; | ||
| enum class OutputType : uint8_t { Invalid, Key, Multisignature }; | ||
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| struct InputKey { | ||
| uint64_t amount; | ||
| std::vector<uint64_t> keyOffsets; | ||
| KeyImage keyImage; // double spending protection | ||
| }; | ||
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| struct InputMultisignature { | ||
| uint64_t amount; | ||
| uint32_t signatures; | ||
| uint64_t outputIndex; | ||
| }; | ||
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| struct OutputKey { | ||
| uint64_t amount; | ||
| PublicKey key; | ||
| }; | ||
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| struct OutputMultisignature { | ||
| uint64_t amount; | ||
| std::vector<PublicKey> keys; | ||
| uint32_t requiredSignatures; | ||
| }; | ||
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| struct GlobalOutput { | ||
| PublicKey targetKey; | ||
| uint64_t outputIndex; | ||
| }; | ||
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| typedef std::vector<GlobalOutput> GlobalOutputsContainer; | ||
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| struct OutputKeyInfo { | ||
| PublicKey transactionPublicKey; | ||
| size_t transactionIndex; | ||
| size_t outputInTransaction; | ||
| }; | ||
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| struct InputKeyInfo { | ||
| uint64_t amount; | ||
| GlobalOutputsContainer outputs; | ||
| OutputKeyInfo realOutput; | ||
| }; | ||
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| } | ||
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| // | ||
| // ITransactionReader | ||
| // | ||
| class ITransactionReader { | ||
| public: | ||
| virtual ~ITransactionReader() { } | ||
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| virtual Hash getTransactionHash() const = 0; | ||
| virtual Hash getTransactionPrefixHash() const = 0; | ||
| virtual PublicKey getTransactionPublicKey() const = 0; | ||
| virtual uint64_t getUnlockTime() const = 0; | ||
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| // extra | ||
| virtual bool getPaymentId(Hash& paymentId) const = 0; | ||
| virtual bool getExtraNonce(std::string& nonce) const = 0; | ||
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| // inputs | ||
| virtual size_t getInputCount() const = 0; | ||
| virtual uint64_t getInputTotalAmount() const = 0; | ||
| virtual TransactionTypes::InputType getInputType(size_t index) const = 0; | ||
| virtual void getInput(size_t index, TransactionTypes::InputKey& input) const = 0; | ||
| virtual void getInput(size_t index, TransactionTypes::InputMultisignature& input) const = 0; | ||
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| // outputs | ||
| virtual size_t getOutputCount() const = 0; | ||
| virtual uint64_t getOutputTotalAmount() const = 0; | ||
| virtual TransactionTypes::OutputType getOutputType(size_t index) const = 0; | ||
| virtual void getOutput(size_t index, TransactionTypes::OutputKey& output) const = 0; | ||
| virtual void getOutput(size_t index, TransactionTypes::OutputMultisignature& output) const = 0; | ||
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| // signatures | ||
| virtual size_t getRequiredSignaturesCount(size_t inputIndex) const = 0; | ||
| virtual bool findOutputsToAccount(const AccountAddress& addr, const SecretKey& viewSecretKey, std::vector<uint32_t>& outs, uint64_t& outputAmount) const = 0; | ||
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| // various checks | ||
| virtual bool validateInputs() const = 0; | ||
| virtual bool validateOutputs() const = 0; | ||
| virtual bool validateSignatures() const = 0; | ||
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| // serialized transaction | ||
| virtual Blob getTransactionData() const = 0; | ||
| }; | ||
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| // | ||
| // ITransactionWriter | ||
| // | ||
| class ITransactionWriter { | ||
| public: | ||
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| virtual ~ITransactionWriter() { } | ||
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| // transaction parameters | ||
| virtual void setUnlockTime(uint64_t unlockTime) = 0; | ||
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| // extra | ||
| virtual void setPaymentId(const Hash& paymentId) = 0; | ||
| virtual void setExtraNonce(const std::string& nonce) = 0; | ||
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| // Inputs/Outputs | ||
| virtual size_t addInput(const TransactionTypes::InputKey& input) = 0; | ||
| virtual size_t addInput(const AccountKeys& senderKeys, const TransactionTypes::InputKeyInfo& info, KeyPair& ephKeys) = 0; | ||
| virtual size_t addInput(const TransactionTypes::InputMultisignature& input) = 0; | ||
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| virtual size_t addOutput(uint64_t amount, const AccountAddress& to) = 0; | ||
| virtual size_t addOutput(uint64_t amount, const std::vector<AccountAddress>& to, uint32_t requiredSignatures) = 0; | ||
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| // transaction info | ||
| virtual bool getTransactionSecretKey(SecretKey& key) const = 0; | ||
| virtual void setTransactionSecretKey(const SecretKey& key) = 0; | ||
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| // signing | ||
| virtual void signInputKey(size_t input, const TransactionTypes::InputKeyInfo& info, const KeyPair& ephKeys) = 0; | ||
| virtual void signInputMultisignature(size_t input, const PublicKey& sourceTransactionKey, size_t outputIndex, const AccountKeys& accountKeys) = 0; | ||
| }; | ||
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| class ITransaction : | ||
| public ITransactionReader, | ||
| public ITransactionWriter { | ||
| public: | ||
| virtual ~ITransaction() { } | ||
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| }; | ||
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| } |
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