Partial #19660: Make HexStr take a span

Comment from 6f7b52ac63a71d2706022ca58d69a1a622e0fa37: "The fix for CPubKey is a part of `#13557: BIP 174 PSBT Serializations and RPCs` which wasn't backported yet"
This commit is contained in:
Kittywhiskers Van Gogh 2020-06-24 17:26:47 +02:00
parent 73b5359532
commit bc2f11f230
11 changed files with 46 additions and 109 deletions

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@ -57,13 +57,14 @@ std::string FormatScript(const CScript& script)
}
}
if (vch.size() > 0) {
ret += strprintf("0x%x 0x%x ", HexStr(it2, it - vch.size()), HexStr(it - vch.size(), it));
ret += strprintf("0x%x 0x%x ", HexStr(std::vector<uint8_t>(it2, it - vch.size())),
HexStr(std::vector<uint8_t>(it - vch.size(), it)));
} else {
ret += strprintf("0x%x ", HexStr(it2, it));
ret += strprintf("0x%x ", HexStr(std::vector<uint8_t>(it2, it)));
}
continue;
}
ret += strprintf("0x%x ", HexStr(it2, script.end()));
ret += strprintf("0x%x ", HexStr(std::vector<uint8_t>(it2, script.end())));
break;
}
return ret.substr(0, ret.size() - 1);

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@ -3691,13 +3691,13 @@ bool PeerLogicValidation::ProcessMessages(CNode* pfrom, std::atomic<bool>& inter
// Checksum
CDataStream& vRecv = msg.vRecv;
const uint256& hash = msg.GetMessageHash();
uint256 hash = msg.GetMessageHash();
if (memcmp(hash.begin(), hdr.pchChecksum, CMessageHeader::CHECKSUM_SIZE) != 0)
{
LogPrint(BCLog::NET, "%s(%s, %u bytes): CHECKSUM ERROR expected %s was %s\n", __func__,
SanitizeString(strCommand), nMessageSize,
HexStr(hash.begin(), hash.begin()+CMessageHeader::CHECKSUM_SIZE),
HexStr(hdr.pchChecksum, hdr.pchChecksum+CMessageHeader::CHECKSUM_SIZE));
HexStr(Span<uint8_t>(hash.begin(), hash.begin() + CMessageHeader::CHECKSUM_SIZE)),
HexStr(hdr.pchChecksum));
return fMoreWork;
}

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@ -107,6 +107,7 @@ public:
//! Simple read-only vector-like interface to the pubkey data.
unsigned int size() const { return GetLen(vch[0]); }
const unsigned char* data() const { return vch; }
const unsigned char* begin() const { return vch; }
const unsigned char* end() const { return vch + size(); }
const unsigned char& operator[](unsigned int pos) const { return vch[pos]; }

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@ -81,8 +81,7 @@ bool GenerateAuthCookie(std::string *cookie_out)
const size_t COOKIE_SIZE = 32;
unsigned char rand_pwd[COOKIE_SIZE];
GetRandBytes(rand_pwd, COOKIE_SIZE);
std::string cookie = COOKIEAUTH_USER + ":" + HexStr(rand_pwd, rand_pwd+COOKIE_SIZE);
std::string cookie = COOKIEAUTH_USER + ":" + HexStr(rand_pwd);
/** the umask determines what permissions are used to create this file -
* these are set to 077 in init.cpp unless overridden with -sysperms.

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@ -533,19 +533,19 @@ BOOST_AUTO_TEST_CASE(pbkdf2_hmac_sha512_test) {
strcpy((char *)s, "salt");
PKCS5_PBKDF2_HMAC("password", 8, s, 4, 1, EVP_sha512(), 64, k);
BOOST_CHECK(HexStr(k, k + 64) == "867f70cf1ade02cff3752599a3a53dc4af34c7a669815ae5d513554e1c8cf252c02d470a285a0501bad999bfe943c08f050235d7d68b1da55e63f73b60a57fce");
BOOST_CHECK(HexStr(k) == "867f70cf1ade02cff3752599a3a53dc4af34c7a669815ae5d513554e1c8cf252c02d470a285a0501bad999bfe943c08f050235d7d68b1da55e63f73b60a57fce");
strcpy((char *)s, "salt");
PKCS5_PBKDF2_HMAC("password", 8, s, 4, 2, EVP_sha512(), 64, k);
BOOST_CHECK(HexStr(k, k + 64) == "e1d9c16aa681708a45f5c7c4e215ceb66e011a2e9f0040713f18aefdb866d53cf76cab2868a39b9f7840edce4fef5a82be67335c77a6068e04112754f27ccf4e");
BOOST_CHECK(HexStr(k) == "e1d9c16aa681708a45f5c7c4e215ceb66e011a2e9f0040713f18aefdb866d53cf76cab2868a39b9f7840edce4fef5a82be67335c77a6068e04112754f27ccf4e");
strcpy((char *)s, "salt");
PKCS5_PBKDF2_HMAC("password", 8, s, 4, 4096, EVP_sha512(), 64, k);
BOOST_CHECK(HexStr(k, k + 64) == "d197b1b33db0143e018b12f3d1d1479e6cdebdcc97c5c0f87f6902e072f457b5143f30602641b3d55cd335988cb36b84376060ecd532e039b742a239434af2d5");
BOOST_CHECK(HexStr(k) == "d197b1b33db0143e018b12f3d1d1479e6cdebdcc97c5c0f87f6902e072f457b5143f30602641b3d55cd335988cb36b84376060ecd532e039b742a239434af2d5");
strcpy((char *)s, "saltSALTsaltSALTsaltSALTsaltSALTsalt");
PKCS5_PBKDF2_HMAC("passwordPASSWORDpassword", 3*8, s, 9*4, 4096, EVP_sha512(), 64, k);
BOOST_CHECK(HexStr(k, k + 64) == "8c0511f4c6e597c6ac6315d8f0362e225f3c501495ba23b868c005174dc4ee71115b59f9e60cd9532fa33e0f75aefe30225c583a186cd82bd4daea9724a3d3b8");
BOOST_CHECK(HexStr(k) == "8c0511f4c6e597c6ac6315d8f0362e225f3c501495ba23b868c005174dc4ee71115b59f9e60cd9532fa33e0f75aefe30225c583a186cd82bd4daea9724a3d3b8");
}

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@ -74,87 +74,24 @@ BOOST_AUTO_TEST_CASE(util_ParseHex)
BOOST_AUTO_TEST_CASE(util_HexStr)
{
BOOST_CHECK_EQUAL(
HexStr(ParseHex_expected, ParseHex_expected + sizeof(ParseHex_expected)),
HexStr(ParseHex_expected),
"04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38c4f35504e51ec112de5c384df7ba0b8d578a4c702b6bf11d5f");
BOOST_CHECK_EQUAL(
HexStr(ParseHex_expected, ParseHex_expected + 5, true),
"04 67 8a fd b0");
BOOST_CHECK_EQUAL(
HexStr(ParseHex_expected + sizeof(ParseHex_expected),
ParseHex_expected + sizeof(ParseHex_expected)),
HexStr(Span<const unsigned char>(
ParseHex_expected + sizeof(ParseHex_expected),
ParseHex_expected + sizeof(ParseHex_expected))),
"");
BOOST_CHECK_EQUAL(
HexStr(ParseHex_expected + sizeof(ParseHex_expected),
ParseHex_expected + sizeof(ParseHex_expected), true),
"");
BOOST_CHECK_EQUAL(
HexStr(ParseHex_expected, ParseHex_expected),
"");
BOOST_CHECK_EQUAL(
HexStr(ParseHex_expected, ParseHex_expected, true),
HexStr(Span<const unsigned char>(ParseHex_expected, ParseHex_expected)),
"");
std::vector<unsigned char> ParseHex_vec(ParseHex_expected, ParseHex_expected + 5);
BOOST_CHECK_EQUAL(
HexStr(ParseHex_vec, true),
"04 67 8a fd b0");
BOOST_CHECK_EQUAL(
HexStr(ParseHex_vec.rbegin(), ParseHex_vec.rend()),
"b0fd8a6704"
);
BOOST_CHECK_EQUAL(
HexStr(ParseHex_vec.rbegin(), ParseHex_vec.rend(), true),
"b0 fd 8a 67 04"
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected),
std::reverse_iterator<const uint8_t *>(ParseHex_expected)),
""
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected),
std::reverse_iterator<const uint8_t *>(ParseHex_expected), true),
""
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected + 1),
std::reverse_iterator<const uint8_t *>(ParseHex_expected)),
"04"
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected + 1),
std::reverse_iterator<const uint8_t *>(ParseHex_expected), true),
"04"
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected + 5),
std::reverse_iterator<const uint8_t *>(ParseHex_expected)),
"b0fd8a6704"
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected + 5),
std::reverse_iterator<const uint8_t *>(ParseHex_expected), true),
"b0 fd 8a 67 04"
);
BOOST_CHECK_EQUAL(
HexStr(std::reverse_iterator<const uint8_t *>(ParseHex_expected + 65),
std::reverse_iterator<const uint8_t *>(ParseHex_expected)),
"5f1df16b2b704c8a578d0bbaf74d385cde12c11ee50455f3c438ef4c3fbcf649b6de611feae06279a60939e028a8d65c10b73071a6f16719274855feb0fd8a6704"
HexStr(ParseHex_vec),
"04678afdb0"
);
}

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@ -20,7 +20,11 @@ base_blob<BITS>::base_blob(const std::vector<unsigned char>& vch)
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));
uint8_t m_data_rev[WIDTH];
for (int i = 0; i < WIDTH; ++i) {
m_data_rev[i] = data[WIDTH - 1 - i];
}
return HexStr(m_data_rev);
}
template <unsigned int BITS>

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@ -543,3 +543,16 @@ bool ParseFixedPoint(const std::string &val, int decimals, int64_t *amount_out)
return true;
}
std::string HexStr(const Span<const uint8_t> s)
{
std::string rv;
static constexpr char hexmap[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
rv.reserve(s.size() * 2);
for (uint8_t v: s) {
rv.push_back(hexmap[v >> 4]);
rv.push_back(hexmap[v & 15]);
}
return rv;
}

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@ -10,6 +10,7 @@
#define BITCOIN_UTILSTRENCODINGS_H
#include <attributes.h>
#include <span.h>
#include <cstdint>
#include <string>
@ -108,30 +109,11 @@ NODISCARD bool ParseUInt64(const std::string& str, uint64_t *out);
*/
NODISCARD bool ParseDouble(const std::string& str, double *out);
template<typename T>
std::string HexStr(const T itbegin, const T itend, bool fSpaces=false)
{
std::string rv;
static const char hexmap[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
rv.reserve((itend-itbegin)*3);
for(T it = itbegin; it < itend; ++it)
{
unsigned char val = (unsigned char)(*it);
if(fSpaces && it != itbegin)
rv.push_back(' ');
rv.push_back(hexmap[val>>4]);
rv.push_back(hexmap[val&15]);
}
return rv;
}
template<typename T>
inline std::string HexStr(const T& vch, bool fSpaces=false)
{
return HexStr(vch.begin(), vch.end(), fSpaces);
}
/**
* Convert a span of bytes to a lower-case hexadecimal string.
*/
std::string HexStr(const Span<const uint8_t> s);
inline std::string HexStr(const Span<const char> s) { return HexStr(MakeUCharSpan(s)); }
/**
* Format a paragraph of text to a fixed width, adding spaces for

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@ -42,7 +42,7 @@ void CheckUniqueFileid(const BerkeleyEnvironment& env, const std::string& filena
for (const auto& item : env.m_fileids) {
if (fileid == item.second && &fileid != &item.second) {
throw std::runtime_error(strprintf("BerkeleyBatch: Can't open database %s (duplicates fileid %s from %s)", filename,
HexStr(std::begin(item.second.value), std::end(item.second.value)), item.first));
HexStr(item.second.value), item.first));
}
}
}

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@ -44,7 +44,7 @@ std::string static EncodeDumpString(const std::string &str) {
std::stringstream ret;
for (unsigned char c : str) {
if (c <= 32 || c >= 128 || c == '%') {
ret << '%' << HexStr(&c, &c + 1);
ret << '%' << HexStr(Span<const unsigned char>(&c, 1));
} else {
ret << c;
}