本文整理汇总了C++中data_chunk::resize方法的典型用法代码示例。如果您正苦于以下问题：C++ data_chunk::resize方法的具体用法？C++ data_chunk::resize怎么用？C++ data_chunk::resize使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类data_chunk的用法示例。
在下文中一共展示了data_chunk::resize方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: wrap_fetch_transaction_args
void wrap_fetch_transaction_args(data_chunk& data, const hash_digest& tx_hash)
{
data.resize(hash_digest_size);
auto serial = make_serializer(data.begin());
serial.write_hash(tx_hash);
BITCOIN_ASSERT(serial.iterator() == data.end());
}示例2: wrap_fetch_history_args
void wrap_fetch_history_args(data_chunk& data,
const payment_address& address, size_t from_height)
{
data.resize(1 + short_hash_size + 4);
auto serial = make_serializer(data.begin());
serial.write_byte(address.version());
serial.write_short_hash(address.hash());
serial.write_4_bytes(from_height);
BITCOIN_ASSERT(serial.iterator() == data.end());
}示例3: parse_token
bool parse_token(data_chunk& raw_script, std::string token)
{
boost::algorithm::trim(token);
// skip this
if (token.empty())
return true;
static data_chunk hex_raw;
if (token == "ENDING" || !is_hex_data(token))
{
if (!hex_raw.empty())
{
extend_data(raw_script, hex_raw);
hex_raw.resize(0);
}
}
if (token == "ENDING")
{
// Do nothing...
}
else if (is_number(token))
{
int64_t value = boost::lexical_cast<int64_t>(token);
if (is_opx(value))
push_literal(raw_script, value);
else
{
script_number bignum(value);
push_data(raw_script, bignum.data());
}
}
else if (is_hex_data(token))
{
std::string hex_part(token.begin() + 2, token.end());
data_chunk raw_data;
if (!decode_base16(raw_data, hex_part))
return false;
extend_data(hex_raw, raw_data);
}
else if (is_quoted_string(token))
{
data_chunk inner_value(token.begin() + 1, token.end() - 1);
push_data(raw_script, inner_value);
}
else if (is_opcode(token))
{
opcode tokenized_opcode = token_to_opcode(token);
raw_script.push_back(static_cast<uint8_t>(tokenized_opcode));
}
else
{
log_error() << "Token parsing failed with: " << token;
return false;
}
return true;
}示例4: parse_token
bool parse_token(data_chunk& raw_script, const std::string& token)
{
static data_chunk hex_raw;
if (token == "ENDING" || !is_hex_data(token))
{
if (!hex_raw.empty())
{
extend_data(raw_script, hex_raw);
hex_raw.resize(0);
}
}
if (token == "ENDING")
{
// Do nothing...
}
else if (is_number(token))
{
int64_t value = boost::lexical_cast<int64_t>(token);
if (is_opx(value))
push_literal(raw_script, value);
else
{
big_number bignum;
bignum.set_int64(value);
push_data(raw_script, bignum.data());
}
}
else if (is_hex_data(token))
{
std::string hex_part(token.begin() + 2, token.end());
data_chunk raw_data = bytes_from_pretty(hex_part);
extend_data(hex_raw, raw_data);
}
else if (is_quoted_string(token))
{
data_chunk inner_value(token.begin() + 1, token.end() - 1);
push_data(raw_script, inner_value);
}
else if (is_opcode(token))
{
opcode tokenized_opcode = token_to_opcode(token);
raw_script.push_back(static_cast<byte>(tokenized_opcode));
}
else
{
log_error() << "Token parsing failed with: " << token;
return false;
}
return true;
}示例5: generateRingSignatureAB
//.........这里部分代码省略.........
// bnC is from last round (ib)
if (!EC_POINT_oct2point(ecGrp, ptPk, &pPubkeys[ib * EC_COMPRESSED_SIZE], EC_COMPRESSED_SIZE, bnCtx))
{
LogPrintf("%s: EC_POINT_oct2point failed.\n", __func__);
rv = 1; goto End;
};
// ptT1 = s_{j+1}*G+c_{j+1}*P_{j+1}
if (!EC_POINT_mul(ecGrp, ptT1, bnS, ptPk, bnC, bnCtx))
{
LogPrintf("%s: EC_POINT_mul failed.\n", __func__);
rv = 1; goto End;
};
//s_{j+1}*H(P_{j+1})+c_{j+1}*I_j
if (hashToEC(&pPubkeys[ib * EC_COMPRESSED_SIZE], EC_COMPRESSED_SIZE, bnT2, ptT2) != 0)
{
LogPrintf("%s: hashToEC failed.\n", __func__);
rv = 1; goto End;
};
// ptT3 = s_{j+1}*H(P_{j+1})
if (!EC_POINT_mul(ecGrp, ptT3, NULL, ptT2, bnS, bnCtx))
{
LogPrintf("%s: EC_POINT_mul failed.\n", __func__);
rv = 1; goto End;
};
// ptT4 = c_{j+1}*I_j
if (!EC_POINT_mul(ecGrp, ptT4, NULL, ptKi, bnC, bnCtx))
{
LogPrintf("%s: EC_POINT_mul failed.\n", __func__);
rv = 1; goto End;
};
// ptT2 = ptT3 + ptT4
if (!EC_POINT_add(ecGrp, ptT2, ptT3, ptT4, bnCtx))
{
LogPrintf("%s: EC_POINT_add failed.\n", __func__);
rv = 1; goto End;
};
if ( !(EC_POINT_point2oct(ecGrp, ptT1, POINT_CONVERSION_COMPRESSED, &tempData[0], 33, bnCtx) == (int) EC_COMPRESSED_SIZE)
|| !(EC_POINT_point2oct(ecGrp, ptT2, POINT_CONVERSION_COMPRESSED, &tempData[33], 33, bnCtx) == (int) EC_COMPRESSED_SIZE))
{
LogPrintf("%s: extract ptL and ptR failed.\n", __func__);
rv = 1; goto End;
};
CHashWriter ssCHash(SER_GETHASH, PROTOCOL_VERSION);
ssCHash.write((const char*)tmpPkHash.begin(), 32);
ssCHash.write((const char*)&tempData[0], 66);
tmpHash = ssCHash.GetHash();
if (!bnC || !(BN_bin2bn(tmpHash.begin(), EC_SECRET_SIZE, bnC)) // bnC lags i by 1
|| !BN_mod(bnC, bnC, bnOrder, bnCtx))
{
LogPrintf("%s: hash -> bnC failed.\n", __func__);
rv = 1; goto End;
};
if (i == nSecretOffset
&& !BN_copy(bnCj, bnC))
{
LogPrintf("%s: BN_copy failed.\n", __func__);
rv = 1; goto End;
};
if (i == 0)
{
memset(tempData, 0, EC_SECRET_SIZE);
if ((nBytes = BN_num_bytes(bnC)) > (int) EC_SECRET_SIZE
|| BN_bn2bin(bnC, &tempData[0 + (EC_SECRET_SIZE-nBytes)]) != nBytes)
{
LogPrintf("%s: bnC -> sigC failed.\n", __func__);
rv = 1; goto End;
};
try { sigC.resize(32); } catch (std::exception& e)
{
LogPrintf("%s: sigC.resize failed.\n", __func__);
rv = 1; goto End;
};
memcpy(&sigC[0], tempData, EC_SECRET_SIZE);
};
};
End:
EC_POINT_free(ptKi);
EC_POINT_free(ptPk);
EC_POINT_free(ptT1);
EC_POINT_free(ptT2);
EC_POINT_free(ptT3);
EC_POINT_free(ptT4);
BN_CTX_end(bnCtx);
return rv;
};