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Add suport for name spaces to uint160extend256.

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This commit is contained in:
Arthur Britto
2012-05-17 20:32:22 -07:00
parent d3e2950941
commit 3842b0ef8d
2 changed files with 6 additions and 3 deletions
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2
src/uint256.h
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@@ -709,7 +709,7 @@ inline const uint256 operator|(const uint256& a, const uint256& b) { return (b
inline const uint256 operator+(const uint256& a, const uint256& b) { return (base_uint256)a + (base_uint256)b; }
inline const uint256 operator-(const uint256& a, const uint256& b) { return (base_uint256)a - (base_uint256)b; }
uint256 uint160extend256(const uint160& uSource);
uint256 uint160extend256(const uint160& uSource, uint uNamespace);
inline int Testuint256AdHoc(std::vector<std::string> vArg)
{

7
src/utils.cpp
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@@ -1,11 +1,14 @@
#include "utils.h"
#include "uint256.h"
uint256 uint160extend256(const uint160& uSource)
// XXX Assume little-endian.
uint256 uint160extend256(const uint160& uSource, uint uNamespace)
{
uint256 uResult;
memcpy(uResult.begin() + (uResult.size() - uSource.size()), uSource.begin(), uSource.size());
// Place right justified: in most significant bits.
memcpy(uResult.end() - uSource.size(), uSource.begin(), uSource.size());
uResult.begin()[uResult.size() - uSource.size() - 1] = uNamespace;
return uResult;
}