diff options
31 files changed, 117 insertions, 120 deletions
diff --git a/src/base58.cpp b/src/base58.cpp index 6a9e21ffc2..9b2946e7a9 100644 --- a/src/base58.cpp +++ b/src/base58.cpp @@ -141,7 +141,7 @@ std::string EncodeBase58Check(const std::vector<unsigned char>& vchIn) { // add 4-byte hash check to the end std::vector<unsigned char> vch(vchIn); - uint256 hash = Hash(vch.begin(), vch.end()); + uint256 hash = Hash(vch); vch.insert(vch.end(), (unsigned char*)&hash, (unsigned char*)&hash + 4); return EncodeBase58(vch); } @@ -154,7 +154,7 @@ bool DecodeBase58Check(const char* psz, std::vector<unsigned char>& vchRet, int return false; } // re-calculate the checksum, ensure it matches the included 4-byte checksum - uint256 hash = Hash(vchRet.begin(), vchRet.end() - 4); + uint256 hash = Hash(MakeSpan(vchRet).first(vchRet.size() - 4)); if (memcmp(&hash, &vchRet[vchRet.size() - 4], 4) != 0) { vchRet.clear(); return false; diff --git a/src/bench/chacha_poly_aead.cpp b/src/bench/chacha_poly_aead.cpp index 30d7851b7f..3b1d3e697a 100644 --- a/src/bench/chacha_poly_aead.cpp +++ b/src/bench/chacha_poly_aead.cpp @@ -93,7 +93,7 @@ static void HASH(benchmark::Bench& bench, size_t buffersize) uint8_t hash[CHash256::OUTPUT_SIZE]; std::vector<uint8_t> in(buffersize,0); bench.batch(in.size()).unit("byte").run([&] { - CHash256().Write(in.data(), in.size()).Finalize(hash); + CHash256().Write(in).Finalize(hash); }); } diff --git a/src/bench/verify_script.cpp b/src/bench/verify_script.cpp index c489bae4f6..9af0b502eb 100644 --- a/src/bench/verify_script.cpp +++ b/src/bench/verify_script.cpp @@ -34,7 +34,7 @@ static void VerifyScriptBench(benchmark::Bench& bench) key.Set(vchKey.begin(), vchKey.end(), false); CPubKey pubkey = key.GetPubKey(); uint160 pubkeyHash; - CHash160().Write(pubkey.begin(), pubkey.size()).Finalize(pubkeyHash.begin()); + CHash160().Write(pubkey).Finalize(pubkeyHash); // Script. CScript scriptPubKey = CScript() << witnessversion << ToByteVector(pubkeyHash); diff --git a/src/blockfilter.cpp b/src/blockfilter.cpp index 5f5bed5bda..9a6fb4abd0 100644 --- a/src/blockfilter.cpp +++ b/src/blockfilter.cpp @@ -291,7 +291,7 @@ uint256 BlockFilter::GetHash() const const std::vector<unsigned char>& data = GetEncodedFilter(); uint256 result; - CHash256().Write(data.data(), data.size()).Finalize(result.begin()); + CHash256().Write(data).Finalize(result); return result; } @@ -301,8 +301,8 @@ uint256 BlockFilter::ComputeHeader(const uint256& prev_header) const uint256 result; CHash256() - .Write(filter_hash.begin(), filter_hash.size()) - .Write(prev_header.begin(), prev_header.size()) - .Finalize(result.begin()); + .Write(filter_hash) + .Write(prev_header) + .Finalize(result); return result; } diff --git a/src/hash.cpp b/src/hash.cpp index 26150e5ca8..4c09f5f646 100644 --- a/src/hash.cpp +++ b/src/hash.cpp @@ -12,7 +12,7 @@ inline uint32_t ROTL32(uint32_t x, int8_t r) return (x << r) | (x >> (32 - r)); } -unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char>& vDataToHash) +unsigned int MurmurHash3(unsigned int nHashSeed, Span<const unsigned char> vDataToHash) { // The following is MurmurHash3 (x86_32), see http://code.google.com/p/smhasher/source/browse/trunk/MurmurHash3.cpp uint32_t h1 = nHashSeed; diff --git a/src/hash.h b/src/hash.h index c295568a3e..71806483ff 100644 --- a/src/hash.h +++ b/src/hash.h @@ -25,14 +25,15 @@ private: public: static const size_t OUTPUT_SIZE = CSHA256::OUTPUT_SIZE; - void Finalize(unsigned char hash[OUTPUT_SIZE]) { + void Finalize(Span<unsigned char> output) { + assert(output.size() == OUTPUT_SIZE); unsigned char buf[CSHA256::OUTPUT_SIZE]; sha.Finalize(buf); - sha.Reset().Write(buf, CSHA256::OUTPUT_SIZE).Finalize(hash); + sha.Reset().Write(buf, CSHA256::OUTPUT_SIZE).Finalize(output.data()); } - CHash256& Write(const unsigned char *data, size_t len) { - sha.Write(data, len); + CHash256& Write(Span<const unsigned char> input) { + sha.Write(input.data(), input.size()); return *this; } @@ -49,14 +50,15 @@ private: public: static const size_t OUTPUT_SIZE = CRIPEMD160::OUTPUT_SIZE; - void Finalize(unsigned char hash[OUTPUT_SIZE]) { + void Finalize(Span<unsigned char> output) { + assert(output.size() == OUTPUT_SIZE); unsigned char buf[CSHA256::OUTPUT_SIZE]; sha.Finalize(buf); - CRIPEMD160().Write(buf, CSHA256::OUTPUT_SIZE).Finalize(hash); + CRIPEMD160().Write(buf, CSHA256::OUTPUT_SIZE).Finalize(output.data()); } - CHash160& Write(const unsigned char *data, size_t len) { - sha.Write(data, len); + CHash160& Write(Span<const unsigned char> input) { + sha.Write(input.data(), input.size()); return *this; } @@ -67,52 +69,31 @@ public: }; /** Compute the 256-bit hash of an object. */ -template<typename T1> -inline uint256 Hash(const T1 pbegin, const T1 pend) +template<typename T> +inline uint256 Hash(const T& in1) { - static const unsigned char pblank[1] = {}; uint256 result; - CHash256().Write(pbegin == pend ? pblank : (const unsigned char*)&pbegin[0], (pend - pbegin) * sizeof(pbegin[0])) - .Finalize((unsigned char*)&result); + CHash256().Write(MakeUCharSpan(in1)).Finalize(result); return result; } /** Compute the 256-bit hash of the concatenation of two objects. */ template<typename T1, typename T2> -inline uint256 Hash(const T1 p1begin, const T1 p1end, - const T2 p2begin, const T2 p2end) { - static const unsigned char pblank[1] = {}; +inline uint256 Hash(const T1& in1, const T2& in2) { uint256 result; - CHash256().Write(p1begin == p1end ? pblank : (const unsigned char*)&p1begin[0], (p1end - p1begin) * sizeof(p1begin[0])) - .Write(p2begin == p2end ? pblank : (const unsigned char*)&p2begin[0], (p2end - p2begin) * sizeof(p2begin[0])) - .Finalize((unsigned char*)&result); + CHash256().Write(MakeUCharSpan(in1)).Write(MakeUCharSpan(in2)).Finalize(result); return result; } /** Compute the 160-bit hash an object. */ template<typename T1> -inline uint160 Hash160(const T1 pbegin, const T1 pend) +inline uint160 Hash160(const T1& in1) { - static unsigned char pblank[1] = {}; uint160 result; - CHash160().Write(pbegin == pend ? pblank : (const unsigned char*)&pbegin[0], (pend - pbegin) * sizeof(pbegin[0])) - .Finalize((unsigned char*)&result); + CHash160().Write(MakeUCharSpan(in1)).Finalize(result); return result; } -/** Compute the 160-bit hash of a vector. */ -inline uint160 Hash160(const std::vector<unsigned char>& vch) -{ - return Hash160(vch.begin(), vch.end()); -} - -/** Compute the 160-bit hash of a vector. */ -template<unsigned int N> -inline uint160 Hash160(const prevector<N, unsigned char>& vch) -{ - return Hash160(vch.begin(), vch.end()); -} - /** A writer stream (for serialization) that computes a 256-bit hash. */ class CHashWriter { @@ -129,13 +110,13 @@ public: int GetVersion() const { return nVersion; } void write(const char *pch, size_t size) { - ctx.Write((const unsigned char*)pch, size); + ctx.Write({(const unsigned char*)pch, size}); } // invalidates the object uint256 GetHash() { uint256 result; - ctx.Finalize((unsigned char*)&result); + ctx.Finalize(result); return result; } @@ -200,7 +181,7 @@ uint256 SerializeHash(const T& obj, int nType=SER_GETHASH, int nVersion=PROTOCOL return ss.GetHash(); } -unsigned int MurmurHash3(unsigned int nHashSeed, const std::vector<unsigned char>& vDataToHash); +unsigned int MurmurHash3(unsigned int nHashSeed, Span<const unsigned char> vDataToHash); void BIP32Hash(const ChainCode &chainCode, unsigned int nChild, unsigned char header, const unsigned char data[32], unsigned char output[64]); diff --git a/src/key.cpp b/src/key.cpp index 7eecc6e083..4ed74a39b1 100644 --- a/src/key.cpp +++ b/src/key.cpp @@ -237,7 +237,7 @@ bool CKey::VerifyPubKey(const CPubKey& pubkey) const { std::string str = "Bitcoin key verification\n"; GetRandBytes(rnd, sizeof(rnd)); uint256 hash; - CHash256().Write((unsigned char*)str.data(), str.size()).Write(rnd, sizeof(rnd)).Finalize(hash.begin()); + CHash256().Write(MakeUCharSpan(str)).Write(rnd).Finalize(hash); std::vector<unsigned char> vchSig; Sign(hash, vchSig); return pubkey.Verify(hash, vchSig); diff --git a/src/merkleblock.cpp b/src/merkleblock.cpp index 8072b12119..b571d463c9 100644 --- a/src/merkleblock.cpp +++ b/src/merkleblock.cpp @@ -70,7 +70,7 @@ uint256 CPartialMerkleTree::CalcHash(int height, unsigned int pos, const std::ve else right = left; // combine subhashes - return Hash(left.begin(), left.end(), right.begin(), right.end()); + return Hash(left, right); } } @@ -126,7 +126,7 @@ uint256 CPartialMerkleTree::TraverseAndExtract(int height, unsigned int pos, uns right = left; } // and combine them before returning - return Hash(left.begin(), left.end(), right.begin(), right.end()); + return Hash(left, right); } } diff --git a/src/net.cpp b/src/net.cpp index bf29d928a1..9c72c62df9 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -685,7 +685,7 @@ int V1TransportDeserializer::readData(const char *pch, unsigned int nBytes) vRecv.resize(std::min(hdr.nMessageSize, nDataPos + nCopy + 256 * 1024)); } - hasher.Write((const unsigned char*)pch, nCopy); + hasher.Write({(const unsigned char*)pch, nCopy}); memcpy(&vRecv[nDataPos], pch, nCopy); nDataPos += nCopy; @@ -696,7 +696,7 @@ const uint256& V1TransportDeserializer::GetMessageHash() const { assert(Complete()); if (data_hash.IsNull()) - hasher.Finalize(data_hash.begin()); + hasher.Finalize(data_hash); return data_hash; } @@ -736,7 +736,7 @@ CNetMessage V1TransportDeserializer::GetMessage(const CMessageHeader::MessageSta void V1TransportSerializer::prepareForTransport(CSerializedNetMsg& msg, std::vector<unsigned char>& header) { // create dbl-sha256 checksum - uint256 hash = Hash(msg.data.begin(), msg.data.end()); + uint256 hash = Hash(msg.data); // create header CMessageHeader hdr(Params().MessageStart(), msg.m_type.c_str(), msg.data.size()); diff --git a/src/netaddress.cpp b/src/netaddress.cpp index 0874b8dcea..d29aed6c8b 100644 --- a/src/netaddress.cpp +++ b/src/netaddress.cpp @@ -553,7 +553,7 @@ std::vector<unsigned char> CNetAddr::GetGroup(const std::vector<bool> &asmap) co uint64_t CNetAddr::GetHash() const { - uint256 hash = Hash(&ip[0], &ip[16]); + uint256 hash = Hash(ip); uint64_t nRet; memcpy(&nRet, &hash, sizeof(nRet)); return nRet; diff --git a/src/pubkey.h b/src/pubkey.h index 4c28af4a4d..fcbc7e8416 100644 --- a/src/pubkey.h +++ b/src/pubkey.h @@ -157,13 +157,13 @@ public: //! Get the KeyID of this public key (hash of its serialization) CKeyID GetID() const { - return CKeyID(Hash160(vch, vch + size())); + return CKeyID(Hash160(MakeSpan(vch).first(size()))); } //! Get the 256-bit hash of this public key. uint256 GetHash() const { - return Hash(vch, vch + size()); + return Hash(MakeSpan(vch).first(size())); } /* diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp index 70caf6009a..cf856af6e9 100644 --- a/src/rpc/rawtransaction.cpp +++ b/src/rpc/rawtransaction.cpp @@ -601,7 +601,7 @@ static UniValue decodescript(const JSONRPCRequest& request) UniValue sr(UniValue::VOBJ); CScript segwitScr; if (which_type == TxoutType::PUBKEY) { - segwitScr = GetScriptForDestination(WitnessV0KeyHash(Hash160(solutions_data[0].begin(), solutions_data[0].end()))); + segwitScr = GetScriptForDestination(WitnessV0KeyHash(Hash160(solutions_data[0]))); } else if (which_type == TxoutType::PUBKEYHASH) { segwitScr = GetScriptForDestination(WitnessV0KeyHash(uint160{solutions_data[0]})); } else { diff --git a/src/script/interpreter.cpp b/src/script/interpreter.cpp index 9415bba585..39feb4ccc9 100644 --- a/src/script/interpreter.cpp +++ b/src/script/interpreter.cpp @@ -986,9 +986,9 @@ bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& else if (opcode == OP_SHA256) CSHA256().Write(vch.data(), vch.size()).Finalize(vchHash.data()); else if (opcode == OP_HASH160) - CHash160().Write(vch.data(), vch.size()).Finalize(vchHash.data()); + CHash160().Write(vch).Finalize(vchHash); else if (opcode == OP_HASH256) - CHash256().Write(vch.data(), vch.size()).Finalize(vchHash.data()); + CHash256().Write(vch).Finalize(vchHash); popstack(stack); stack.push_back(vchHash); } diff --git a/src/script/standard.cpp b/src/script/standard.cpp index 1c4990791c..3a4882f280 100644 --- a/src/script/standard.cpp +++ b/src/script/standard.cpp @@ -16,10 +16,10 @@ typedef std::vector<unsigned char> valtype; bool fAcceptDatacarrier = DEFAULT_ACCEPT_DATACARRIER; unsigned nMaxDatacarrierBytes = MAX_OP_RETURN_RELAY; -CScriptID::CScriptID(const CScript& in) : BaseHash(Hash160(in.begin(), in.end())) {} +CScriptID::CScriptID(const CScript& in) : BaseHash(Hash160(in)) {} CScriptID::CScriptID(const ScriptHash& in) : BaseHash(static_cast<uint160>(in)) {} -ScriptHash::ScriptHash(const CScript& in) : BaseHash(Hash160(in.begin(), in.end())) {} +ScriptHash::ScriptHash(const CScript& in) : BaseHash(Hash160(in)) {} ScriptHash::ScriptHash(const CScriptID& in) : BaseHash(static_cast<uint160>(in)) {} PKHash::PKHash(const CPubKey& pubkey) : BaseHash(pubkey.GetID()) {} @@ -318,7 +318,7 @@ CScript GetScriptForWitness(const CScript& redeemscript) std::vector<std::vector<unsigned char> > vSolutions; TxoutType typ = Solver(redeemscript, vSolutions); if (typ == TxoutType::PUBKEY) { - return GetScriptForDestination(WitnessV0KeyHash(Hash160(vSolutions[0].begin(), vSolutions[0].end()))); + return GetScriptForDestination(WitnessV0KeyHash(Hash160(vSolutions[0]))); } else if (typ == TxoutType::PUBKEYHASH) { return GetScriptForDestination(WitnessV0KeyHash(uint160{vSolutions[0]})); } diff --git a/src/script/standard.h b/src/script/standard.h index fd29353886..992e37675f 100644 --- a/src/script/standard.h +++ b/src/script/standard.h @@ -79,6 +79,9 @@ public: { return m_hash.size(); } + + unsigned char* data() { return m_hash.data(); } + const unsigned char* data() const { return m_hash.data(); } }; /** A reference to a CScript: the Hash160 of its serialization (see script.h) */ diff --git a/src/span.h b/src/span.h index 79f13c9203..4afb383a59 100644 --- a/src/span.h +++ b/src/span.h @@ -207,4 +207,16 @@ T& SpanPopBack(Span<T>& span) return back; } +// Helper functions to safely cast to unsigned char pointers. +inline unsigned char* UCharCast(char* c) { return (unsigned char*)c; } +inline unsigned char* UCharCast(unsigned char* c) { return c; } +inline const unsigned char* UCharCast(const char* c) { return (unsigned char*)c; } +inline const unsigned char* UCharCast(const unsigned char* c) { return c; } + +// Helper function to safely convert a Span to a Span<[const] unsigned char>. +template <typename T> constexpr auto UCharSpanCast(Span<T> s) -> Span<typename std::remove_pointer<decltype(UCharCast(s.data()))>::type> { return {UCharCast(s.data()), s.size()}; } + +/** Like MakeSpan, but for (const) unsigned char member types only. Only works for (un)signed char containers. */ +template <typename V> constexpr auto MakeUCharSpan(V&& v) -> decltype(UCharSpanCast(MakeSpan(std::forward<V>(v)))) { return UCharSpanCast(MakeSpan(std::forward<V>(v))); } + #endif diff --git a/src/test/crypto_tests.cpp b/src/test/crypto_tests.cpp index f64251fe32..bf5c587774 100644 --- a/src/test/crypto_tests.cpp +++ b/src/test/crypto_tests.cpp @@ -743,7 +743,7 @@ BOOST_AUTO_TEST_CASE(sha256d64) in[j] = InsecureRandBits(8); } for (int j = 0; j < i; ++j) { - CHash256().Write(in + 64 * j, 64).Finalize(out1 + 32 * j); + CHash256().Write({in + 64 * j, 64}).Finalize({out1 + 32 * j, 32}); } SHA256D64(out2, in, i); BOOST_CHECK(memcmp(out1, out2, 32 * i) == 0); diff --git a/src/test/fuzz/crypto.cpp b/src/test/fuzz/crypto.cpp index 595cdf9abb..3edcf96495 100644 --- a/src/test/fuzz/crypto.cpp +++ b/src/test/fuzz/crypto.cpp @@ -44,8 +44,8 @@ void test_one_input(const std::vector<uint8_t>& buffer) } } - (void)hash160.Write(data.data(), data.size()); - (void)hash256.Write(data.data(), data.size()); + (void)hash160.Write(data); + (void)hash256.Write(data); (void)hmac_sha256.Write(data.data(), data.size()); (void)hmac_sha512.Write(data.data(), data.size()); (void)ripemd160.Write(data.data(), data.size()); @@ -54,9 +54,8 @@ void test_one_input(const std::vector<uint8_t>& buffer) (void)sha512.Write(data.data(), data.size()); (void)sip_hasher.Write(data.data(), data.size()); - (void)Hash(data.begin(), data.end()); + (void)Hash(data); (void)Hash160(data); - (void)Hash160(data.begin(), data.end()); (void)sha512.Size(); break; } @@ -73,12 +72,12 @@ void test_one_input(const std::vector<uint8_t>& buffer) switch (fuzzed_data_provider.ConsumeIntegralInRange<int>(0, 8)) { case 0: { data.resize(CHash160::OUTPUT_SIZE); - hash160.Finalize(data.data()); + hash160.Finalize(data); break; } case 1: { data.resize(CHash256::OUTPUT_SIZE); - hash256.Finalize(data.data()); + hash256.Finalize(data); break; } case 2: { diff --git a/src/test/fuzz/key.cpp b/src/test/fuzz/key.cpp index c746374c61..955b954700 100644 --- a/src/test/fuzz/key.cpp +++ b/src/test/fuzz/key.cpp @@ -85,7 +85,7 @@ void test_one_input(const std::vector<uint8_t>& buffer) assert(negated_key == key); } - const uint256 random_uint256 = Hash(buffer.begin(), buffer.end()); + const uint256 random_uint256 = Hash(buffer); { CKey child_key; diff --git a/src/test/key_tests.cpp b/src/test/key_tests.cpp index fd35537c77..4e4c44266a 100644 --- a/src/test/key_tests.cpp +++ b/src/test/key_tests.cpp @@ -77,7 +77,7 @@ BOOST_AUTO_TEST_CASE(key_test1) for (int n=0; n<16; n++) { std::string strMsg = strprintf("Very secret message %i: 11", n); - uint256 hashMsg = Hash(strMsg.begin(), strMsg.end()); + uint256 hashMsg = Hash(strMsg); // normal signatures @@ -134,7 +134,7 @@ BOOST_AUTO_TEST_CASE(key_test1) std::vector<unsigned char> detsig, detsigc; std::string strMsg = "Very deterministic message"; - uint256 hashMsg = Hash(strMsg.begin(), strMsg.end()); + uint256 hashMsg = Hash(strMsg); BOOST_CHECK(key1.Sign(hashMsg, detsig)); BOOST_CHECK(key1C.Sign(hashMsg, detsigc)); BOOST_CHECK(detsig == detsigc); @@ -158,7 +158,7 @@ BOOST_AUTO_TEST_CASE(key_signature_tests) // When entropy is specified, we should see at least one high R signature within 20 signatures CKey key = DecodeSecret(strSecret1); std::string msg = "A message to be signed"; - uint256 msg_hash = Hash(msg.begin(), msg.end()); + uint256 msg_hash = Hash(msg); std::vector<unsigned char> sig; bool found = false; @@ -179,7 +179,7 @@ BOOST_AUTO_TEST_CASE(key_signature_tests) for (int i = 0; i < 256; ++i) { sig.clear(); std::string msg = "A message to be signed" + ToString(i); - msg_hash = Hash(msg.begin(), msg.end()); + msg_hash = Hash(msg); BOOST_CHECK(key.Sign(msg_hash, sig)); found = sig[3] == 0x20; BOOST_CHECK(sig.size() <= 70); @@ -196,7 +196,7 @@ BOOST_AUTO_TEST_CASE(key_key_negation) std::string str = "Bitcoin key verification\n"; GetRandBytes(rnd, sizeof(rnd)); uint256 hash; - CHash256().Write((unsigned char*)str.data(), str.size()).Write(rnd, sizeof(rnd)).Finalize(hash.begin()); + CHash256().Write(MakeUCharSpan(str)).Write(rnd).Finalize(hash); // import the static test key CKey key = DecodeSecret(strSecret1C); diff --git a/src/test/merkle_tests.cpp b/src/test/merkle_tests.cpp index 03dce552fc..9bc7cc5dab 100644 --- a/src/test/merkle_tests.cpp +++ b/src/test/merkle_tests.cpp @@ -13,9 +13,9 @@ static uint256 ComputeMerkleRootFromBranch(const uint256& leaf, const std::vecto uint256 hash = leaf; for (std::vector<uint256>::const_iterator it = vMerkleBranch.begin(); it != vMerkleBranch.end(); ++it) { if (nIndex & 1) { - hash = Hash(it->begin(), it->end(), hash.begin(), hash.end()); + hash = Hash(*it, hash); } else { - hash = Hash(hash.begin(), hash.end(), it->begin(), it->end()); + hash = Hash(hash, *it); } nIndex >>= 1; } @@ -60,7 +60,7 @@ static void MerkleComputation(const std::vector<uint256>& leaves, uint256* proot } } mutated |= (inner[level] == h); - CHash256().Write(inner[level].begin(), 32).Write(h.begin(), 32).Finalize(h.begin()); + CHash256().Write(inner[level]).Write(h).Finalize(h); } // Store the resulting hash at inner position level. inner[level] = h; @@ -86,7 +86,7 @@ static void MerkleComputation(const std::vector<uint256>& leaves, uint256* proot if (pbranch && matchh) { pbranch->push_back(h); } - CHash256().Write(h.begin(), 32).Write(h.begin(), 32).Finalize(h.begin()); + CHash256().Write(h).Write(h).Finalize(h); // Increment count to the value it would have if two entries at this // level had existed. count += (((uint32_t)1) << level); @@ -101,7 +101,7 @@ static void MerkleComputation(const std::vector<uint256>& leaves, uint256* proot matchh = true; } } - CHash256().Write(inner[level].begin(), 32).Write(h.begin(), 32).Finalize(h.begin()); + CHash256().Write(inner[level]).Write(h).Finalize(h); level++; } } @@ -144,8 +144,7 @@ static uint256 BlockBuildMerkleTree(const CBlock& block, bool* fMutated, std::ve // Two identical hashes at the end of the list at a particular level. mutated = true; } - vMerkleTree.push_back(Hash(vMerkleTree[j+i].begin(), vMerkleTree[j+i].end(), - vMerkleTree[j+i2].begin(), vMerkleTree[j+i2].end())); + vMerkleTree.push_back(Hash(vMerkleTree[j+i], vMerkleTree[j+i2])); } j += nSize; } diff --git a/src/test/script_standard_tests.cpp b/src/test/script_standard_tests.cpp index 77d748241b..87678af4d1 100644 --- a/src/test/script_standard_tests.cpp +++ b/src/test/script_standard_tests.cpp @@ -216,7 +216,7 @@ BOOST_AUTO_TEST_CASE(script_standard_ExtractDestination) s << OP_0 << ToByteVector(pubkey.GetID()); BOOST_CHECK(ExtractDestination(s, address)); WitnessV0KeyHash keyhash; - CHash160().Write(pubkey.begin(), pubkey.size()).Finalize(keyhash.begin()); + CHash160().Write(pubkey).Finalize(keyhash); BOOST_CHECK(boost::get<WitnessV0KeyHash>(&address) && *boost::get<WitnessV0KeyHash>(&address) == keyhash); // TxoutType::WITNESS_V0_SCRIPTHASH diff --git a/src/test/script_tests.cpp b/src/test/script_tests.cpp index cb3ae290d1..0830743d61 100644 --- a/src/test/script_tests.cpp +++ b/src/test/script_tests.cpp @@ -282,7 +282,7 @@ public: CScript scriptPubKey = script; if (wm == WitnessMode::PKH) { uint160 hash; - CHash160().Write(&script[1], script.size() - 1).Finalize(hash.begin()); + CHash160().Write(MakeSpan(script).subspan(1)).Finalize(hash); script = CScript() << OP_DUP << OP_HASH160 << ToByteVector(hash) << OP_EQUALVERIFY << OP_CHECKSIG; scriptPubKey = CScript() << witnessversion << ToByteVector(hash); } else if (wm == WitnessMode::SH) { diff --git a/src/test/serialize_tests.cpp b/src/test/serialize_tests.cpp index c2328f931c..f625b67c2a 100644 --- a/src/test/serialize_tests.cpp +++ b/src/test/serialize_tests.cpp @@ -145,7 +145,7 @@ BOOST_AUTO_TEST_CASE(floats) for (int i = 0; i < 1000; i++) { ss << float(i); } - BOOST_CHECK(Hash(ss.begin(), ss.end()) == uint256S("8e8b4cf3e4df8b332057e3e23af42ebc663b61e0495d5e7e32d85099d7f3fe0c")); + BOOST_CHECK(Hash(ss) == uint256S("8e8b4cf3e4df8b332057e3e23af42ebc663b61e0495d5e7e32d85099d7f3fe0c")); // decode for (int i = 0; i < 1000; i++) { @@ -162,7 +162,7 @@ BOOST_AUTO_TEST_CASE(doubles) for (int i = 0; i < 1000; i++) { ss << double(i); } - BOOST_CHECK(Hash(ss.begin(), ss.end()) == uint256S("43d0c82591953c4eafe114590d392676a01585d25b25d433557f0d7878b23f96")); + BOOST_CHECK(Hash(ss) == uint256S("43d0c82591953c4eafe114590d392676a01585d25b25d433557f0d7878b23f96")); // decode for (int i = 0; i < 1000; i++) { diff --git a/src/test/settings_tests.cpp b/src/test/settings_tests.cpp index 1a2d775f49..91e039416c 100644 --- a/src/test/settings_tests.cpp +++ b/src/test/settings_tests.cpp @@ -228,7 +228,7 @@ BOOST_FIXTURE_TEST_CASE(Merge, MergeTestingSetup) if (OnlyHasDefaultSectionSetting(settings, network, name)) desc += " ignored"; desc += "\n"; - out_sha.Write((const unsigned char*)desc.data(), desc.size()); + out_sha.Write(MakeUCharSpan(desc)); if (out_file) { BOOST_REQUIRE(fwrite(desc.data(), 1, desc.size(), out_file) == desc.size()); } diff --git a/src/test/util_tests.cpp b/src/test/util_tests.cpp index a30e366028..15a2c1e300 100644 --- a/src/test/util_tests.cpp +++ b/src/test/util_tests.cpp @@ -1009,7 +1009,7 @@ BOOST_FIXTURE_TEST_CASE(util_ArgsMerge, ArgsMergeTestingSetup) desc += "\n"; - out_sha.Write((const unsigned char*)desc.data(), desc.size()); + out_sha.Write(MakeUCharSpan(desc)); if (out_file) { BOOST_REQUIRE(fwrite(desc.data(), 1, desc.size(), out_file) == desc.size()); } @@ -1112,7 +1112,7 @@ BOOST_FIXTURE_TEST_CASE(util_ChainMerge, ChainMergeTestingSetup) } desc += "\n"; - out_sha.Write((const unsigned char*)desc.data(), desc.size()); + out_sha.Write(MakeUCharSpan(desc)); if (out_file) { BOOST_REQUIRE(fwrite(desc.data(), 1, desc.size(), out_file) == desc.size()); } @@ -2186,8 +2186,8 @@ BOOST_AUTO_TEST_CASE(message_hash) std::string(1, (char)unsigned_tx.length()) + unsigned_tx; - const uint256 signature_hash = Hash(unsigned_tx.begin(), unsigned_tx.end()); - const uint256 message_hash1 = Hash(prefixed_message.begin(), prefixed_message.end()); + const uint256 signature_hash = Hash(unsigned_tx); + const uint256 message_hash1 = Hash(prefixed_message); const uint256 message_hash2 = MessageHash(unsigned_tx); BOOST_CHECK_EQUAL(message_hash1, message_hash2); diff --git a/src/uint256.cpp b/src/uint256.cpp index a943e71062..a5dfba41e2 100644 --- a/src/uint256.cpp +++ b/src/uint256.cpp @@ -12,20 +12,20 @@ template <unsigned int BITS> base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch) { - assert(vch.size() == sizeof(data)); - memcpy(data, vch.data(), sizeof(data)); + assert(vch.size() == sizeof(m_data)); + memcpy(m_data, vch.data(), sizeof(m_data)); } template <unsigned int BITS> std::string base_blob<BITS>::GetHex() const { - return HexStr(std::reverse_iterator<const uint8_t*>(data + sizeof(data)), std::reverse_iterator<const uint8_t*>(data)); + return HexStr(std::reverse_iterator<const uint8_t*>(m_data + sizeof(m_data)), std::reverse_iterator<const uint8_t*>(m_data)); } template <unsigned int BITS> void base_blob<BITS>::SetHex(const char* psz) { - memset(data, 0, sizeof(data)); + memset(m_data, 0, sizeof(m_data)); // skip leading spaces while (IsSpace(*psz)) @@ -39,7 +39,7 @@ void base_blob<BITS>::SetHex(const char* psz) size_t digits = 0; while (::HexDigit(psz[digits]) != -1) digits++; - unsigned char* p1 = (unsigned char*)data; + unsigned char* p1 = (unsigned char*)m_data; unsigned char* pend = p1 + WIDTH; while (digits > 0 && p1 < pend) { *p1 = ::HexDigit(psz[--digits]); diff --git a/src/uint256.h b/src/uint256.h index b36598f572..8ab747ef49 100644 --- a/src/uint256.h +++ b/src/uint256.h @@ -18,11 +18,11 @@ class base_blob { protected: static constexpr int WIDTH = BITS / 8; - uint8_t data[WIDTH]; + uint8_t m_data[WIDTH]; public: base_blob() { - memset(data, 0, sizeof(data)); + memset(m_data, 0, sizeof(m_data)); } explicit base_blob(const std::vector<unsigned char>& vch); @@ -30,17 +30,17 @@ public: bool IsNull() const { for (int i = 0; i < WIDTH; i++) - if (data[i] != 0) + if (m_data[i] != 0) return false; return true; } void SetNull() { - memset(data, 0, sizeof(data)); + memset(m_data, 0, sizeof(m_data)); } - inline int Compare(const base_blob& other) const { return memcmp(data, other.data, sizeof(data)); } + inline int Compare(const base_blob& other) const { return memcmp(m_data, other.m_data, sizeof(m_data)); } friend inline bool operator==(const base_blob& a, const base_blob& b) { return a.Compare(b) == 0; } friend inline bool operator!=(const base_blob& a, const base_blob& b) { return a.Compare(b) != 0; } @@ -51,34 +51,37 @@ public: void SetHex(const std::string& str); std::string ToString() const; + const unsigned char* data() const { return m_data; } + unsigned char* data() { return m_data; } + unsigned char* begin() { - return &data[0]; + return &m_data[0]; } unsigned char* end() { - return &data[WIDTH]; + return &m_data[WIDTH]; } const unsigned char* begin() const { - return &data[0]; + return &m_data[0]; } const unsigned char* end() const { - return &data[WIDTH]; + return &m_data[WIDTH]; } unsigned int size() const { - return sizeof(data); + return sizeof(m_data); } uint64_t GetUint64(int pos) const { - const uint8_t* ptr = data + pos * 8; + const uint8_t* ptr = m_data + pos * 8; return ((uint64_t)ptr[0]) | \ ((uint64_t)ptr[1]) << 8 | \ ((uint64_t)ptr[2]) << 16 | \ @@ -92,13 +95,13 @@ public: template<typename Stream> void Serialize(Stream& s) const { - s.write((char*)data, sizeof(data)); + s.write((char*)m_data, sizeof(m_data)); } template<typename Stream> void Unserialize(Stream& s) { - s.read((char*)data, sizeof(data)); + s.read((char*)m_data, sizeof(m_data)); } }; diff --git a/src/validation.cpp b/src/validation.cpp index 3cebf1090e..81af972777 100644 --- a/src/validation.cpp +++ b/src/validation.cpp @@ -3434,7 +3434,7 @@ std::vector<unsigned char> GenerateCoinbaseCommitment(CBlock& block, const CBloc if (consensusParams.SegwitHeight != std::numeric_limits<int>::max()) { if (commitpos == -1) { uint256 witnessroot = BlockWitnessMerkleRoot(block, nullptr); - CHash256().Write(witnessroot.begin(), 32).Write(ret.data(), 32).Finalize(witnessroot.begin()); + CHash256().Write(witnessroot).Write(ret).Finalize(witnessroot); CTxOut out; out.nValue = 0; out.scriptPubKey.resize(MINIMUM_WITNESS_COMMITMENT); @@ -3579,7 +3579,7 @@ static bool ContextualCheckBlock(const CBlock& block, BlockValidationState& stat if (block.vtx[0]->vin[0].scriptWitness.stack.size() != 1 || block.vtx[0]->vin[0].scriptWitness.stack[0].size() != 32) { return state.Invalid(BlockValidationResult::BLOCK_MUTATED, "bad-witness-nonce-size", strprintf("%s : invalid witness reserved value size", __func__)); } - CHash256().Write(hashWitness.begin(), 32).Write(&block.vtx[0]->vin[0].scriptWitness.stack[0][0], 32).Finalize(hashWitness.begin()); + CHash256().Write(hashWitness).Write(block.vtx[0]->vin[0].scriptWitness.stack[0]).Finalize(hashWitness); if (memcmp(hashWitness.begin(), &block.vtx[0]->vout[commitpos].scriptPubKey[6], 32)) { return state.Invalid(BlockValidationResult::BLOCK_MUTATED, "bad-witness-merkle-match", strprintf("%s : witness merkle commitment mismatch", __func__)); } diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp index d2770a46f7..7ef06663b5 100644 --- a/src/wallet/test/wallet_tests.cpp +++ b/src/wallet/test/wallet_tests.cpp @@ -630,13 +630,13 @@ static size_t CalculateNestedKeyhashInputSize(bool use_max_sig) CPubKey pubkey = key.GetPubKey(); // Generate pubkey hash - uint160 key_hash(Hash160(pubkey.begin(), pubkey.end())); + uint160 key_hash(Hash160(pubkey)); // Create inner-script to enter into keystore. Key hash can't be 0... CScript inner_script = CScript() << OP_0 << std::vector<unsigned char>(key_hash.begin(), key_hash.end()); // Create outer P2SH script for the output - uint160 script_id(Hash160(inner_script.begin(), inner_script.end())); + uint160 script_id(Hash160(inner_script)); CScript script_pubkey = CScript() << OP_HASH160 << std::vector<unsigned char>(script_id.begin(), script_id.end()) << OP_EQUAL; // Add inner-script to key store and key to watchonly diff --git a/src/wallet/walletdb.cpp b/src/wallet/walletdb.cpp index a6d327994b..fa6814d0d3 100644 --- a/src/wallet/walletdb.cpp +++ b/src/wallet/walletdb.cpp @@ -103,7 +103,7 @@ bool WalletBatch::WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end()); vchKey.insert(vchKey.end(), vchPrivKey.begin(), vchPrivKey.end()); - return WriteIC(std::make_pair(DBKeys::KEY, vchPubKey), std::make_pair(vchPrivKey, Hash(vchKey.begin(), vchKey.end())), false); + return WriteIC(std::make_pair(DBKeys::KEY, vchPubKey), std::make_pair(vchPrivKey, Hash(vchKey)), false); } bool WalletBatch::WriteCryptedKey(const CPubKey& vchPubKey, @@ -115,7 +115,7 @@ bool WalletBatch::WriteCryptedKey(const CPubKey& vchPubKey, } // Compute a checksum of the encrypted key - uint256 checksum = Hash(vchCryptedSecret.begin(), vchCryptedSecret.end()); + uint256 checksum = Hash(vchCryptedSecret); const auto key = std::make_pair(DBKeys::CRYPTED_KEY, vchPubKey); if (!WriteIC(key, std::make_pair(vchCryptedSecret, checksum), false)) { @@ -209,7 +209,7 @@ bool WalletBatch::WriteDescriptorKey(const uint256& desc_id, const CPubKey& pubk key.insert(key.end(), pubkey.begin(), pubkey.end()); key.insert(key.end(), privkey.begin(), privkey.end()); - return WriteIC(std::make_pair(DBKeys::WALLETDESCRIPTORKEY, std::make_pair(desc_id, pubkey)), std::make_pair(privkey, Hash(key.begin(), key.end())), false); + return WriteIC(std::make_pair(DBKeys::WALLETDESCRIPTORKEY, std::make_pair(desc_id, pubkey)), std::make_pair(privkey, Hash(key)), false); } bool WalletBatch::WriteCryptedDescriptorKey(const uint256& desc_id, const CPubKey& pubkey, const std::vector<unsigned char>& secret) @@ -365,7 +365,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end()); vchKey.insert(vchKey.end(), pkey.begin(), pkey.end()); - if (Hash(vchKey.begin(), vchKey.end()) != hash) + if (Hash(vchKey) != hash) { strErr = "Error reading wallet database: CPubKey/CPrivKey corrupt"; return false; @@ -414,7 +414,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, if (!ssValue.eof()) { uint256 checksum; ssValue >> checksum; - if ((checksum_valid = Hash(vchPrivKey.begin(), vchPrivKey.end()) != checksum)) { + if ((checksum_valid = Hash(vchPrivKey) != checksum)) { strErr = "Error reading wallet database: Crypted key corrupt"; return false; } @@ -621,7 +621,7 @@ ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue, to_hash.insert(to_hash.end(), pubkey.begin(), pubkey.end()); to_hash.insert(to_hash.end(), pkey.begin(), pkey.end()); - if (Hash(to_hash.begin(), to_hash.end()) != hash) + if (Hash(to_hash) != hash) { strErr = "Error reading wallet database: CPubKey/CPrivKey corrupt"; return false; |