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Improve gettxoutsetinfo command

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* Bugfix: output the correct best block hash (during IBD, it can
  differ from the actual current best block)
* Add height to output
* Add hash_serialized, which is a hash of the entire UTXO state.
  Can be useful to compare two nodes.
* Add total_amount, the sum of all UTXOs' values.
This commit is contained in:
Pieter Wuille
2013-05-01 16:23:27 +02:00
parent eef2091fe9
commit e31aa7c9d7
3 changed files with 27 additions and 5 deletions
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22
src/txdb.cpp
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@@ -5,6 +5,7 @@
#include "txdb.h"
#include "main.h"
#include "hash.h"
using namespace std;
@@ -114,6 +115,10 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) {
leveldb::Iterator *pcursor = db.NewIterator();
pcursor->SeekToFirst();
CHashWriter ss(SER_GETHASH, PROTOCOL_VERSION);
stats.hashBlock = GetBestBlock()->GetBlockHash();
ss << stats.hashBlock;
int64 nTotalAmount = 0;
while (pcursor->Valid()) {
boost::this_thread::interruption_point();
try {
@@ -128,13 +133,22 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) {
ssValue >> coins;
uint256 txhash;
ssKey >> txhash;
ss << txhash;
ss << VARINT(coins.nVersion);
ss << (coins.fCoinBase ? 'c' : 'n');
ss << VARINT(coins.nHeight);
stats.nTransactions++;
BOOST_FOREACH(const CTxOut &out, coins.vout) {
if (!out.IsNull())
for (unsigned int i=0; i<coins.vout.size(); i++) {
const CTxOut &out = coins.vout[i];
if (!out.IsNull()) {
stats.nTransactionOutputs++;
ss << VARINT(i+1);
ss << out;
nTotalAmount += out.nValue;
}
}
stats.nSerializedSize += 32 + slValue.size();
ss << VARINT(0);
}
pcursor->Next();
} catch (std::exception &e) {
@@ -143,6 +157,8 @@ bool CCoinsViewDB::GetStats(CCoinsStats &stats) {
}
delete pcursor;
stats.nHeight = GetBestBlock()->nHeight;
stats.hashSerialized = ss.GetHash();
stats.nTotalAmount = nTotalAmount;
return true;
}