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Add 'SHAMap::getPath' function to get a verifiable path through a SHAMap.

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This commit is contained in:
JoelKatz
2012-10-18 09:18:46 -07:00
parent b09318f8d3
commit 92409dd3fc
3 changed files with 57 additions and 3 deletions
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25
src/SHAMapNodes.cpp
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@@ -259,7 +259,7 @@ SHAMapTreeNode::SHAMapTreeNode(const SHAMapNode& id, const std::vector<unsigned
}
}
if (format == snfPREFIX)
else if (format == snfPREFIX)
{
if (rawNode.size() < 4)
{
@@ -316,6 +316,12 @@ SHAMapTreeNode::SHAMapTreeNode(const SHAMapNode& id, const std::vector<unsigned
}
}
else
{
assert(false);
throw std::runtime_error("Unknown format");
}
updateHash();
}
@@ -333,7 +339,16 @@ bool SHAMapTreeNode::updateHash()
break;
}
if(!empty)
{
nh = Serializer::getPrefixHash(sHP_InnerNode, reinterpret_cast<unsigned char *>(mHashes), sizeof(mHashes));
#ifdef DEBUG
Serializer s;
s.add32(sHP_InnerNode);
for(int i = 0; i < 16; ++i)
s.add256(mHashes[i]);
assert(nh == s.getSHA512Half());
#endif
}
}
else if (mType == tnTRANSACTION_NM)
{
@@ -366,11 +381,15 @@ bool SHAMapTreeNode::updateHash()
void SHAMapTreeNode::addRaw(Serializer& s, SHANodeFormat format)
{
assert((format == snfPREFIX) || (format == snfWIRE));
assert((format == snfPREFIX) || (format == snfWIRE) || (format == snfHASH));
if (mType == tnERROR)
throw std::runtime_error("invalid I node type");
if (mType == tnINNER)
if (format == snfHASH)
{
s.add256(getNodeHash());
}
else if (mType == tnINNER)
{
assert(!isEmpty());
if (format == snfPREFIX)