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@ -5,16 +5,17 @@
@@ -5,16 +5,17 @@
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#include "base58.h" |
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#include "hash.h" |
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#include "script/script.h" |
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#include "uint256.h" |
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#include <assert.h> |
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#include <stdint.h> |
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#include <string.h> |
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#include <vector> |
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#include <string> |
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#include <boost/variant/apply_visitor.hpp> |
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#include <boost/variant/static_visitor.hpp> |
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#include <algorithm> |
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#include <assert.h> |
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#include <string.h> |
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/** All alphanumeric characters except for "0", "I", "O", and "l" */ |
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static const char* pszBase58 = "123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; |
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@ -212,86 +213,55 @@ int CBase58Data::CompareTo(const CBase58Data& b58) const
@@ -212,86 +213,55 @@ int CBase58Data::CompareTo(const CBase58Data& b58) const
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namespace |
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{ |
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/** base58-encoded Bitcoin addresses.
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* Public-key-hash-addresses have version 0 (or 111 testnet). |
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* The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key. |
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* Script-hash-addresses have version 5 (or 196 testnet). |
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* The data vector contains RIPEMD160(SHA256(cscript)), where cscript is the serialized redemption script. |
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*/ |
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class CBitcoinAddress : public CBase58Data { |
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public: |
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bool Set(const CKeyID &id); |
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bool Set(const CScriptID &id); |
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bool Set(const CTxDestination &dest); |
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bool IsValid() const; |
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bool IsValid(const CChainParams ¶ms) const; |
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CBitcoinAddress() {} |
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CBitcoinAddress(const CTxDestination &dest) { Set(dest); } |
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CBitcoinAddress(const std::string& strAddress) { SetString(strAddress); } |
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CBitcoinAddress(const char* pszAddress) { SetString(pszAddress); } |
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CTxDestination Get() const; |
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}; |
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class CBitcoinAddressVisitor : public boost::static_visitor<bool> |
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class DestinationEncoder : public boost::static_visitor<std::string> |
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{ |
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private: |
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CBitcoinAddress* addr; |
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const CChainParams& m_params; |
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public: |
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explicit CBitcoinAddressVisitor(CBitcoinAddress* addrIn) : addr(addrIn) {} |
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bool operator()(const CKeyID& id) const { return addr->Set(id); } |
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bool operator()(const CScriptID& id) const { return addr->Set(id); } |
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bool operator()(const CNoDestination& no) const { return false; } |
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}; |
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} // namespace
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bool CBitcoinAddress::Set(const CKeyID& id) |
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{ |
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SetData(Params().Base58Prefix(CChainParams::PUBKEY_ADDRESS), &id, 20); |
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return true; |
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} |
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DestinationEncoder(const CChainParams& params) : m_params(params) {} |
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bool CBitcoinAddress::Set(const CScriptID& id) |
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{ |
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SetData(Params().Base58Prefix(CChainParams::SCRIPT_ADDRESS), &id, 20); |
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return true; |
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} |
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bool CBitcoinAddress::Set(const CTxDestination& dest) |
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{ |
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return boost::apply_visitor(CBitcoinAddressVisitor(this), dest); |
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} |
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std::string operator()(const CKeyID& id) const |
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{ |
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std::vector<unsigned char> data = m_params.Base58Prefix(CChainParams::PUBKEY_ADDRESS); |
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data.insert(data.end(), id.begin(), id.end()); |
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return EncodeBase58Check(data); |
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} |
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bool CBitcoinAddress::IsValid() const |
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{ |
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return IsValid(Params()); |
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} |
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std::string operator()(const CScriptID& id) const |
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{ |
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std::vector<unsigned char> data = m_params.Base58Prefix(CChainParams::SCRIPT_ADDRESS); |
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data.insert(data.end(), id.begin(), id.end()); |
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return EncodeBase58Check(data); |
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} |
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bool CBitcoinAddress::IsValid(const CChainParams& params) const |
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{ |
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bool fCorrectSize = vchData.size() == 20; |
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bool fKnownVersion = vchVersion == params.Base58Prefix(CChainParams::PUBKEY_ADDRESS) || |
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vchVersion == params.Base58Prefix(CChainParams::SCRIPT_ADDRESS); |
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return fCorrectSize && fKnownVersion; |
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} |
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std::string operator()(const CNoDestination& no) const { return ""; } |
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}; |
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CTxDestination CBitcoinAddress::Get() const |
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CTxDestination DecodeDestination(const std::string& str, const CChainParams& params) |
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{ |
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if (!IsValid()) |
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return CNoDestination(); |
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uint160 id; |
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memcpy(&id, vchData.data(), 20); |
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if (vchVersion == Params().Base58Prefix(CChainParams::PUBKEY_ADDRESS)) |
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return CKeyID(id); |
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else if (vchVersion == Params().Base58Prefix(CChainParams::SCRIPT_ADDRESS)) |
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return CScriptID(id); |
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else |
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return CNoDestination(); |
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std::vector<unsigned char> data; |
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uint160 hash; |
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if (DecodeBase58Check(str, data)) { |
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// base58-encoded Bitcoin addresses.
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// Public-key-hash-addresses have version 0 (or 111 testnet).
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// The data vector contains RIPEMD160(SHA256(pubkey)), where pubkey is the serialized public key.
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const std::vector<unsigned char>& pubkey_prefix = params.Base58Prefix(CChainParams::PUBKEY_ADDRESS); |
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if (data.size() == hash.size() + pubkey_prefix.size() && std::equal(pubkey_prefix.begin(), pubkey_prefix.end(), data.begin())) { |
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std::copy(data.begin() + pubkey_prefix.size(), data.end(), hash.begin()); |
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return CKeyID(hash); |
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} |
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// Script-hash-addresses have version 5 (or 196 testnet).
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// The data vector contains RIPEMD160(SHA256(cscript)), where cscript is the serialized redemption script.
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const std::vector<unsigned char>& script_prefix = params.Base58Prefix(CChainParams::SCRIPT_ADDRESS); |
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if (data.size() == hash.size() + script_prefix.size() && std::equal(script_prefix.begin(), script_prefix.end(), data.begin())) { |
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std::copy(data.begin() + script_prefix.size(), data.end(), hash.begin()); |
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return CScriptID(hash); |
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} |
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} |
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return CNoDestination(); |
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} |
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} // namespace
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void CBitcoinSecret::SetKey(const CKey& vchSecret) |
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{ |
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@ -328,22 +298,20 @@ bool CBitcoinSecret::SetString(const std::string& strSecret)
@@ -328,22 +298,20 @@ bool CBitcoinSecret::SetString(const std::string& strSecret)
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std::string EncodeDestination(const CTxDestination& dest) |
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{ |
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CBitcoinAddress addr(dest); |
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if (!addr.IsValid()) return ""; |
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return addr.ToString(); |
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return boost::apply_visitor(DestinationEncoder(Params()), dest); |
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} |
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CTxDestination DecodeDestination(const std::string& str) |
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{ |
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return CBitcoinAddress(str).Get(); |
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return DecodeDestination(str, Params()); |
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} |
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bool IsValidDestinationString(const std::string& str, const CChainParams& params) |
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{ |
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return CBitcoinAddress(str).IsValid(params); |
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return IsValidDestination(DecodeDestination(str, params)); |
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} |
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bool IsValidDestinationString(const std::string& str) |
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{ |
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return CBitcoinAddress(str).IsValid(); |
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return IsValidDestinationString(str, Params()); |
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} |
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