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Fix height assertion in Blockchain::handle_alternative_block() 

It expects the total number of blocks of main chain, not last block id
(off-by-one error).

This again behaves like the same height assertion done in original
implementation in blockchain_storage::handle_alternative_block().

This allows a reorganization to proceed after an alternative block has
been added.
This commit is contained in:
warptangent 2015-01-11 19:07:27 -08:00
parent 63051bea1c
commit 0840c2fd7e
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src/cryptonote_core/blockchain.cpp
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@ -1113,7 +1113,7 @@ bool Blockchain::handle_alternative_block(const block& b, const crypto::hash& id
if(alt_chain.size()) if(alt_chain.size())
{ {
// make sure alt chain doesn't somehow start past the end of the main chain // make sure alt chain doesn't somehow start past the end of the main chain
CHECK_AND_ASSERT_MES(m_db->height() - 1 > alt_chain.front()->second.height, false, "main blockchain wrong height"); CHECK_AND_ASSERT_MES(m_db->height() > alt_chain.front()->second.height, false, "main blockchain wrong height");
// make sure that the blockchain contains the block that should connect // make sure that the blockchain contains the block that should connect
// this alternate chain with it. // this alternate chain with it.