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zcash-patched-for-explorer
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rpc: Compute number of confirmations of a block from block height 

Currently this uses a CMerkleTx, but that makes no sense as we
have the CBlockIndex available. As noted by @jgarzik.
This commit is contained in:
Wladimir J. van der Laan 2014-08-28 17:14:22 +02:00
parent 539abc4729
commit 57153d4e1a
1 changed files with 6 additions and 4 deletions
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10
src/rpcblockchain.cpp
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@ -54,9 +54,11 @@ Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
{
Object result;
result.push_back(Pair("hash", block.GetHash().GetHex()));
CMerkleTx txGen(block.vtx[0]);
txGen.SetMerkleBranch(&block);
result.push_back(Pair("confirmations", (int)txGen.GetDepthInMainChain()));
int confirmations = -1;
// Only report confirmations if the block is on the main chain
if (chainActive.Contains(blockindex))
confirmations = chainActive.Height() - blockindex->nHeight + 1;
result.push_back(Pair("confirmations", confirmations));
result.push_back(Pair("size", (int)::GetSerializeSize(block, SER_NETWORK, PROTOCOL_VERSION)));
result.push_back(Pair("height", blockindex->nHeight));
result.push_back(Pair("version", block.nVersion));
@ -242,7 +244,7 @@ Value getblock(const Array& params, bool fHelp)
"\nResult (for verbose = true):\n"
"{\n"
" \"hash\" : \"hash\", (string) the block hash (same as provided)\n"
" \"confirmations\" : n, (numeric) The number of confirmations\n"
" \"confirmations\" : n, (numeric) The number of confirmations, or -1 if the block is not on the main chain\n"
" \"size\" : n, (numeric) The block size\n"
" \"height\" : n, (numeric) The block height or index\n"
" \"version\" : n, (numeric) The block version\n"