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Add gettxout and gettxoutsetinfo RPCs

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This commit is contained in:
Pieter Wuille
2012-09-25 23:04:54 +02:00
parent e1bfbab802
commit beeb57610c
7 changed files with 120 additions and 2 deletions
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66
src/rpcblockchain.cpp
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@@ -159,7 +159,69 @@ Value getblock(const Array& params, bool fHelp)
return blockToJSON(block, pblockindex);
}
Value gettxoutsetinfo(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"gettxoutsetinfo\n"
"Returns statistics about the unspent transaction output set.");
Object ret;
CCoinsStats stats;
if (pcoinsTip->GetStats(stats)) {
ret.push_back(Pair("bestblock", pcoinsTip->GetBestBlock()->GetBlockHash().GetHex()));
ret.push_back(Pair("transactions", (boost::int64_t)stats.nTransactions));
ret.push_back(Pair("txouts", (boost::int64_t)stats.nTransactionOutputs));
ret.push_back(Pair("bytes_serialized", (boost::int64_t)stats.nSerializedSize));
}
return ret;
}
Value gettxout(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 3)
throw runtime_error(
"gettxout <txid> <n> [includemempool=true]\n"
"Returns details about an unspent transaction output.");
Object ret;
std::string strHash = params[0].get_str();
uint256 hash(strHash);
int n = params[1].get_int();
bool fMempool = true;
if (params.size() > 2)
fMempool = params[2].get_bool();
CCoins coins;
if (fMempool) {
LOCK(mempool.cs);
CCoinsViewMemPool view(*pcoinsTip, mempool);
if (!view.GetCoins(hash, coins))
return Value::null;
mempool.pruneSpent(hash, coins); // TODO: this should be done by the CCoinsViewMemPool
} else {
if (!pcoinsTip->GetCoins(hash, coins))
return Value::null;
}
if (n<0 || (unsigned int)n>=coins.vout.size() || coins.vout[n].IsNull())
return Value::null;
ret.push_back(Pair("bestblock", pcoinsTip->GetBestBlock()->GetBlockHash().GetHex()));
if ((unsigned int)coins.nHeight == MEMPOOL_HEIGHT)
ret.push_back(Pair("confirmations", 0));
else
ret.push_back(Pair("confirmations", pcoinsTip->GetBestBlock()->nHeight - coins.nHeight + 1));
ret.push_back(Pair("amount", (boost::int64_t)coins.vout[n].nValue));
Object o;
o.push_back(Pair("asm", coins.vout[n].scriptPubKey.ToString()));
o.push_back(Pair("hex", HexStr(coins.vout[n].scriptPubKey.begin(), coins.vout[n].scriptPubKey.end())));
ret.push_back(Pair("scriptPubKey", o));
ret.push_back(Pair("version", coins.nVersion));
ret.push_back(Pair("coinbase", coins.fCoinBase));
return ret;
}