add RPC to get a histogram of outputs of a given amount

This commit is contained in:
moneromooo-monero 2018-02-19 11:15:15 +00:00
parent 51bb7fafac
commit 41f727ce42
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
14 changed files with 284 additions and 8 deletions

View file

@ -1448,7 +1448,9 @@ public:
*
* @return false if the function returns false for any output, otherwise true
*/
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const = 0;
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, uint64_t height, size_t tx_idx)> f) const = 0;
virtual bool for_all_outputs(uint64_t amount, const std::function<bool(uint64_t height)> &f) const = 0;
//

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@ -2564,7 +2564,7 @@ bool BlockchainLMDB::for_all_transactions(std::function<bool(const crypto::hash&
return fret;
}
bool BlockchainLMDB::for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const
bool BlockchainLMDB::for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, uint64_t height, size_t tx_idx)> f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
@ -2588,7 +2588,47 @@ bool BlockchainLMDB::for_all_outputs(std::function<bool(uint64_t amount, const c
uint64_t amount = *(const uint64_t*)k.mv_data;
outkey *ok = (outkey *)v.mv_data;
tx_out_index toi = get_output_tx_and_index_from_global(ok->output_id);
if (!f(amount, toi.first, toi.second)) {
if (!f(amount, toi.first, ok->data.height, toi.second)) {
fret = false;
break;
}
}
TXN_POSTFIX_RDONLY();
return fret;
}
bool BlockchainLMDB::for_all_outputs(uint64_t amount, const std::function<bool(uint64_t height)> &f) const
{
LOG_PRINT_L3("BlockchainLMDB::" << __func__);
check_open();
TXN_PREFIX_RDONLY();
RCURSOR(output_amounts);
MDB_val_set(k, amount);
MDB_val v;
bool fret = true;
MDB_cursor_op op = MDB_SET;
while (1)
{
int ret = mdb_cursor_get(m_cur_output_amounts, &k, &v, op);
op = MDB_NEXT_DUP;
if (ret == MDB_NOTFOUND)
break;
if (ret)
throw0(DB_ERROR("Failed to enumerate outputs"));
uint64_t out_amount = *(const uint64_t*)k.mv_data;
if (amount != out_amount)
{
MERROR("Amount is not the expected amount");
fret = false;
break;
}
const outkey *ok = (const outkey *)v.mv_data;
if (!f(ok->data.height)) {
fret = false;
break;
}

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@ -255,7 +255,8 @@ public:
virtual bool for_all_key_images(std::function<bool(const crypto::key_image&)>) const;
virtual bool for_blocks_range(const uint64_t& h1, const uint64_t& h2, std::function<bool(uint64_t, const crypto::hash&, const cryptonote::block&)>) const;
virtual bool for_all_transactions(std::function<bool(const crypto::hash&, const cryptonote::transaction&)>) const;
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, size_t tx_idx)> f) const;
virtual bool for_all_outputs(std::function<bool(uint64_t amount, const crypto::hash &tx_hash, uint64_t height, size_t tx_idx)> f) const;
virtual bool for_all_outputs(uint64_t amount, const std::function<bool(uint64_t height)> &f) const;
virtual uint64_t add_block( const block& blk
, const size_t& block_size