From c73ba23eb51e8cc8704645486f9ca5b50490b0c9 Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Wed, 15 Feb 2012 17:49:04 +0100 Subject: [PATCH] gettransaction RPC for non-wallet transactions Works for wallet transactions, memory-pool transaction and block chain transactions. Available for all: * txid * version * locktime * size * coinbase/inputs/outputs * confirmations Available only for wallet transactions: * amount * fee * details * blockindex Available for wallet transactions and block chain transactions: * blockhash * time --- src/bitcoinrpc.cpp | 95 +++++++++++++++++++++++++++++++++++++++------- src/main.cpp | 26 ++++++++++++- src/main.h | 2 +- 3 files changed, 107 insertions(+), 16 deletions(-) diff --git a/src/bitcoinrpc.cpp b/src/bitcoinrpc.cpp index 3c2d69e5..e6c7826a 100644 --- a/src/bitcoinrpc.cpp +++ b/src/bitcoinrpc.cpp @@ -130,6 +130,40 @@ void WalletTxToJSON(const CWalletTx& wtx, Object& entry) entry.push_back(Pair(item.first, item.second)); } +void TxToJSON(const CTransaction &tx, Object& entry) +{ + entry.push_back(Pair("version", tx.nVersion)); + entry.push_back(Pair("locktime", (boost::int64_t)tx.nLockTime)); + entry.push_back(Pair("size", (boost::int64_t)::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION))); + Array vin; + BOOST_FOREACH(const CTxIn& txin, tx.vin) + { + Object in; + if (tx.IsCoinBase()) + in.push_back(Pair("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end()))); + else + { + Object prevout; + prevout.push_back(Pair("hash", txin.prevout.hash.GetHex())); + prevout.push_back(Pair("n", (boost::int64_t)txin.prevout.n)); + in.push_back(Pair("prevout", prevout)); + in.push_back(Pair("scriptSig", txin.scriptSig.ToString())); + } + in.push_back(Pair("sequence", (boost::int64_t)txin.nSequence)); + vin.push_back(in); + } + entry.push_back(Pair("vin", vin)); + Array vout; + BOOST_FOREACH(const CTxOut& txout, tx.vout) + { + Object out; + out.push_back(Pair("value", ValueFromAmount(txout.nValue))); + out.push_back(Pair("scriptPubKey", txout.scriptPubKey.ToString())); + vout.push_back(out); + } + entry.push_back(Pair("vout", vout)); +} + string AccountFromValue(const Value& value) { string strAccount = value.get_str(); @@ -1472,24 +1506,57 @@ Value gettransaction(const Array& params, bool fHelp) Object entry; - if (!pwalletMain->mapWallet.count(hash)) - throw JSONRPCError(-5, "Invalid or non-wallet transaction id"); - const CWalletTx& wtx = pwalletMain->mapWallet[hash]; + if (pwalletMain->mapWallet.count(hash)) + { + const CWalletTx& wtx = pwalletMain->mapWallet[hash]; + + TxToJSON(wtx, entry); - int64 nCredit = wtx.GetCredit(); - int64 nDebit = wtx.GetDebit(); - int64 nNet = nCredit - nDebit; - int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0); + int64 nCredit = wtx.GetCredit(); + int64 nDebit = wtx.GetDebit(); + int64 nNet = nCredit - nDebit; + int64 nFee = (wtx.IsFromMe() ? wtx.GetValueOut() - nDebit : 0); - entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee))); - if (wtx.IsFromMe()) - entry.push_back(Pair("fee", ValueFromAmount(nFee))); + entry.push_back(Pair("amount", ValueFromAmount(nNet - nFee))); + if (wtx.IsFromMe()) + entry.push_back(Pair("fee", ValueFromAmount(nFee))); - WalletTxToJSON(pwalletMain->mapWallet[hash], entry); + WalletTxToJSON(wtx, entry); - Array details; - ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details); - entry.push_back(Pair("details", details)); + Array details; + ListTransactions(pwalletMain->mapWallet[hash], "*", 0, false, details); + entry.push_back(Pair("details", details)); + } + else + { + CTransaction tx; + uint256 hashBlock = 0; + if (GetTransaction(hash, tx, hashBlock)) + { + entry.push_back(Pair("txid", hash.GetHex())); + TxToJSON(tx, entry); + if (hashBlock == 0) + entry.push_back(Pair("confirmations", 0)); + else + { + entry.push_back(Pair("blockhash", hashBlock.GetHex())); + map::iterator mi = mapBlockIndex.find(hashBlock); + if (mi != mapBlockIndex.end() && (*mi).second) + { + CBlockIndex* pindex = (*mi).second; + if (pindex->IsInMainChain()) + { + entry.push_back(Pair("confirmations", 1 + nBestHeight - pindex->nHeight)); + entry.push_back(Pair("time", (boost::int64_t)pindex->nTime)); + } + else + entry.push_back(Pair("confirmations", 0)); + } + } + } + else + throw JSONRPCError(-5, "No information available about transaction"); + } return entry; } diff --git a/src/main.cpp b/src/main.cpp index 78d84d90..de546067 100644 --- a/src/main.cpp +++ b/src/main.cpp @@ -733,7 +733,31 @@ int CTxIndex::GetDepthInMainChain() const return 1 + nBestHeight - pindex->nHeight; } - +// Return transaction in tx, and if it was found inside a block, its hash is placed in hashBlock +bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock) +{ + { + LOCK(cs_main); + { + LOCK(mempool.cs); + if (mempool.exists(hash)) + { + tx = mempool.lookup(hash); + return true; + } + } + CTxDB txdb("r"); + CTxIndex txindex; + if (tx.ReadFromDisk(txdb, COutPoint(hash, 0), txindex)) + { + CBlock block; + if (block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false)) + hashBlock = block.GetHash(); + return true; + } + } + return false; +} diff --git a/src/main.h b/src/main.h index d12a3cc2..d26e6316 100644 --- a/src/main.h +++ b/src/main.h @@ -101,7 +101,7 @@ unsigned int ComputeMinWork(unsigned int nBase, int64 nTime); int GetNumBlocksOfPeers(); bool IsInitialBlockDownload(); std::string GetWarnings(std::string strFor); - +bool GetTransaction(const uint256 &hash, CTransaction &tx, uint256 &hashBlock);