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Post-feb20 simplifications

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Now the entire network upgraded to (initial) protocol version 209,
crtainl simplifications in the source code are possible.
This commit is contained in:
Pieter Wuille
2012-02-20 01:33:31 +01:00
parent 8a949dd6c3
commit 18c0fa97d0
3 changed files with 27 additions and 39 deletions
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42
src/main.cpp
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@@ -2100,18 +2100,24 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
CAddress addrFrom;
uint64 nNonce = 1;
vRecv >> pfrom->nVersion >> pfrom->nServices >> nTime >> addrMe;
if (pfrom->nVersion < 209)
{
// Since Februari 20, 2012, the protocol is initiated at version 209,
// and earlier versions are no longer supported
printf("partner %s using obsolete version %i; disconnecting\n", pfrom->addr.ToString().c_str(), pfrom->nVersion);
pfrom->fDisconnect = true;
return false;
}
if (pfrom->nVersion == 10300)
pfrom->nVersion = 300;
if (pfrom->nVersion >= 106 && !vRecv.empty())
if (!vRecv.empty())
vRecv >> addrFrom >> nNonce;
if (pfrom->nVersion >= 106 && !vRecv.empty())
if (!vRecv.empty())
vRecv >> pfrom->strSubVer;
if (pfrom->nVersion >= 209 && !vRecv.empty())
if (!vRecv.empty())
vRecv >> pfrom->nStartingHeight;
if (pfrom->nVersion == 0)
return false;
// Disconnect if we connected to ourself
if (nNonce == nLocalHostNonce && nNonce > 1)
{
@@ -2129,11 +2135,8 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
AddTimeData(pfrom->addr, nTime);
// Change version
if (pfrom->nVersion >= 209)
pfrom->PushMessage("verack");
pfrom->PushMessage("verack");
pfrom->vSend.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
if (pfrom->nVersion < 209)
pfrom->vRecv.SetVersion(min(pfrom->nVersion, PROTOCOL_VERSION));
if (!pfrom->fInbound)
{
@@ -2197,8 +2200,6 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
vRecv >> vAddr;
// Don't want addr from older versions unless seeding
if (pfrom->nVersion < 209)
return true;
if (pfrom->nVersion < 31402 && mapAddresses.size() > 1000)
return true;
if (vAddr.size() > 1000)
@@ -2660,17 +2661,14 @@ bool ProcessMessages(CNode* pfrom)
}
// Checksum
if (vRecv.GetVersion() >= 209)
uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
if (nChecksum != hdr.nChecksum)
{
uint256 hash = Hash(vRecv.begin(), vRecv.begin() + nMessageSize);
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
if (nChecksum != hdr.nChecksum)
{
printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
continue;
}
printf("ProcessMessage(%s, %u bytes) : CHECKSUM ERROR nChecksum=%08x hdr.nChecksum=%08x\n",
strCommand.c_str(), nMessageSize, nChecksum, hdr.nChecksum);
continue;
}
// Copy message to its own buffer