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Merge pull request #1156 from stellar/next-db-and-proto-3
Next db and proto 3 Reviewed-by: vogel
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2016 Stellar Development Foundation and contributors. Licensed | ||
| // under the Apache License, Version 2.0. See the COPYING file at the root | ||
| // of this distribution or at http://www.apache.org/licenses/LICENSE-2.0 | ||
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| #include "KeyUtils.h" | ||
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| #include "crypto/StrKey.h" | ||
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| namespace stellar | ||
| { | ||
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| size_t | ||
| KeyUtils::getKeyVersionSize(strKey::StrKeyVersionByte keyVersion) | ||
| { | ||
| switch (keyVersion) | ||
| { | ||
| case strKey::STRKEY_PUBKEY_ED25519: | ||
| case strKey::STRKEY_SEED_ED25519: | ||
| return crypto_sign_PUBLICKEYBYTES; | ||
| case strKey::STRKEY_PRE_AUTH_TX: | ||
| case strKey::STRKEY_HASH_X: | ||
| return 32U; | ||
| default: | ||
| throw std::invalid_argument("invalid key version: " + std::to_string(keyVersion)); | ||
| } | ||
| } | ||
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| } |
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| #pragma once | ||
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| // Copyright 2016 Stellar Development Foundation and contributors. Licensed | ||
| // under the Apache License, Version 2.0. See the COPYING file at the root | ||
| // of this distribution or at http://www.apache.org/licenses/LICENSE-2.0 | ||
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| #include "crypto/StrKey.h" | ||
| #include "xdr/Stellar-types.h" | ||
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| #include <sodium.h> | ||
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| #include <string> | ||
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| namespace stellar | ||
| { | ||
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| template<typename T> | ||
| struct KeyFunctions | ||
| { | ||
| struct getKeyTypeEnum | ||
| { | ||
| }; | ||
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| static std::string getKeyTypeName(); | ||
| static bool getKeyVersionIsSupported(strKey::StrKeyVersionByte keyVersion); | ||
| static typename getKeyTypeEnum::type toKeyType(strKey::StrKeyVersionByte keyVersion); | ||
| static strKey::StrKeyVersionByte toKeyVersion(typename getKeyTypeEnum::type keyType); | ||
| static uint256 & getKeyValue(T &key); | ||
| static uint256 const& getKeyValue(T const &key); | ||
| }; | ||
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| // signer key utility functions | ||
| namespace KeyUtils | ||
| { | ||
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| template<typename T> | ||
| std::string | ||
| toStrKey(T const& key) | ||
| { | ||
| return strKey::toStrKey(KeyFunctions<T>::toKeyVersion(key.type()), KeyFunctions<T>::getKeyValue(key)); | ||
| } | ||
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| template<typename T> | ||
| std::string | ||
| toShortString(T const& key) | ||
| { | ||
| return toStrKey(key).substr(0, 5); | ||
| } | ||
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| std::size_t | ||
| getKeyVersionSize(strKey::StrKeyVersionByte keyVersion); | ||
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| template<typename T> | ||
| T | ||
| fromStrKey(std::string const& s) | ||
| { | ||
| T key; | ||
| uint8_t verByte; | ||
| std::vector<uint8_t> k; | ||
| if (!strKey::fromStrKey(s, verByte, k)) | ||
| { | ||
| throw std::invalid_argument("bad " + KeyFunctions<T>::getKeyTypeName()); | ||
| } | ||
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| strKey::StrKeyVersionByte ver = static_cast<strKey::StrKeyVersionByte>(verByte); | ||
| if (!KeyFunctions<T>::getKeyVersionIsSupported(ver) || | ||
| (k.size() != getKeyVersionSize(ver)) || | ||
| (s.size() != strKey::getStrKeySize(getKeyVersionSize(ver)))) | ||
| { | ||
| throw std::invalid_argument("bad " + KeyFunctions<T>::getKeyTypeName()); | ||
| } | ||
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| key.type(KeyFunctions<T>::toKeyType(ver)); | ||
| std::copy(k.begin(), k.end(), KeyFunctions<T>::getKeyValue(key).begin()); | ||
| return key; | ||
| } | ||
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| template<typename T, typename F> | ||
| bool | ||
| canConvert(F const &fromKey) | ||
| { | ||
| return KeyFunctions<T>::getKeyVersionIsSupported(KeyFunctions<F>::toKeyVersion(fromKey.type())); | ||
| } | ||
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| template<typename T, typename F> | ||
| T | ||
| convertKey(F const &fromKey) | ||
| { | ||
| T toKey; | ||
| toKey.type(KeyFunctions<T>::toKeyType(KeyFunctions<F>::toKeyVersion(fromKey.type()))); | ||
| KeyFunctions<T>::getKeyValue(toKey) = KeyFunctions<F>::getKeyValue(fromKey); | ||
| return toKey; | ||
| } | ||
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| } | ||
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| } |
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