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Second parameter to JSON-RPC getblock/gettransaction: decompositions

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This is an Object specifying how to decompose specific elements.
Currently supported:
- "tx": "no", "hash", "hex", "obj"
- "script": "no", "hex", "asm"
This commit is contained in:
Luke Dashjr 2012-02-22 17:44:09 -05:00
parent d4e09300f3
commit 74335bd32a
1 changed files with 122 additions and 25 deletions
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141
src/bitcoinrpc.cpp
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@ -44,6 +44,8 @@ static CCriticalSection cs_nWalletUnlockTime;
extern Value dumpprivkey(const Array& params, bool fHelp);
extern Value importprivkey(const Array& params, bool fHelp);
const Object emptyobj;
Object JSONRPCError(int code, const string& message)
{
Object error;
@ -111,6 +113,33 @@ HexBits(unsigned int nBits)
return HexStr(BEGIN(uBits.cBits), END(uBits.cBits));
}
enum DecomposeMode {
DM_NONE = 0,
DM_HASH,
DM_HEX,
DM_ASM,
DM_OBJ,
};
enum DecomposeMode
FindDecompose(const Object& decompositions, const char* pcType, const char* pcDefault)
{
Value val = find_value(decompositions, pcType);
std::string strDecompose = (val.type() == null_type) ? pcDefault : val.get_str();
if (strDecompose == "no")
return DM_NONE;
if (strDecompose == "hash")
return DM_HASH;
if (strDecompose == "hex")
return DM_HEX;
if (strDecompose == "asm")
return DM_ASM;
if (strDecompose == "obj")
return DM_OBJ;
throw JSONRPCError(-18, "Invalid decomposition");
}
void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
{
int confirms = wtx.GetDepthInMainChain();
@ -126,11 +155,14 @@ void WalletTxToJSON(const CWalletTx& wtx, Object& entry)
entry.push_back(Pair(item.first, item.second));
}
void TxToJSON(const CTransaction &tx, Object& entry)
void TxToJSON(const CTransaction &tx, Object& entry, const Object& decompositions)
{
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)));
enum DecomposeMode decomposeScript = FindDecompose(decompositions, "script", "asm");
Array vin;
BOOST_FOREACH(const CTxIn& txin, tx.vin)
{
@ -143,7 +175,18 @@ void TxToJSON(const CTransaction &tx, Object& entry)
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));
switch (decomposeScript) {
case DM_NONE:
break;
case DM_HEX:
in.push_back(Pair("scriptSig", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
break;
case DM_ASM:
in.push_back(Pair("scriptSig", txin.scriptSig.ToString()));
break;
default:
throw JSONRPCError(-18, "Invalid script decomposition");
}
}
in.push_back(Pair("sequence", (boost::int64_t)txin.nSequence));
vin.push_back(in);
@ -154,12 +197,25 @@ void TxToJSON(const CTransaction &tx, Object& entry)
{
Object out;
out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
switch (decomposeScript) {
case DM_NONE:
break;
case DM_HEX:
out.push_back(Pair("scriptPubKey", HexStr(txout.scriptPubKey.begin(), txout.scriptPubKey.end())));
break;
case DM_ASM:
out.push_back(Pair("scriptPubKey", txout.scriptPubKey.ToString()));
break;
default:
throw JSONRPCError(-18, "Invalid script decomposition");
}
vout.push_back(out);
}
entry.push_back(Pair("vout", vout));
}
void AnyTxToJSON(const uint256 hash, const CTransaction* ptx, Object& entry, const Object& decompositions);
string AccountFromValue(const Value& value)
{
string strAccount = value.get_str();
@ -168,7 +224,7 @@ string AccountFromValue(const Value& value)
return strAccount;
}
Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex, const Object& decompositions)
{
Object result;
result.push_back(Pair("hash", block.GetHash().GetHex()));
@ -183,10 +239,38 @@ Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
result.push_back(Pair("nonce", (boost::uint64_t)block.nNonce));
result.push_back(Pair("bits", HexBits(block.nBits)));
result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
Array txhashes;
enum DecomposeMode decomposeTxn = FindDecompose(decompositions, "tx", "hash");
if (decomposeTxn)
{
Array txs;
switch (decomposeTxn) {
case DM_OBJ:
BOOST_FOREACH (const CTransaction&tx, block.vtx)
txhashes.push_back(tx.GetHash().GetHex());
result.push_back(Pair("tx", txhashes));
{
Object entry;
AnyTxToJSON(tx.GetHash(), &tx, entry, decompositions);
txs.push_back(entry);
}
break;
case DM_HEX:
BOOST_FOREACH (const CTransaction&tx, block.vtx)
{
CDataStream ssTx(SER_NETWORK, PROTOCOL_VERSION);
ssTx << tx;
txs.push_back(HexStr(ssTx.begin(), ssTx.end()));
}
break;
case DM_HASH:
BOOST_FOREACH (const CTransaction&tx, block.vtx)
txs.push_back(tx.GetHash().GetHex());
break;
default:
throw JSONRPCError(-18, "Invalid transaction decomposition");
}
result.push_back(Pair("tx", txs));
}
if (blockindex->pprev)
result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));
@ -197,6 +281,7 @@ Object blockToJSON(const CBlock& block, const CBlockIndex* blockindex)
///
/// Note: This interface may still be subject to change.
///
@ -1501,23 +1586,14 @@ Value listsinceblock(const Array& params, bool fHelp)
return ret;
}
Value gettransaction(const Array& params, bool fHelp)
void
AnyTxToJSON(const uint256 hash, const CTransaction* ptx, Object& entry, const Object& decompositions)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"gettransaction <txid>\n"
"Get detailed information about <txid>");
uint256 hash;
hash.SetHex(params[0].get_str());
Object entry;
if (pwalletMain->mapWallet.count(hash))
{
const CWalletTx& wtx = pwalletMain->mapWallet[hash];
TxToJSON(wtx, entry);
TxToJSON(wtx, entry, decompositions);
int64 nCredit = wtx.GetCredit();
int64 nDebit = wtx.GetDebit();
@ -1538,10 +1614,12 @@ Value gettransaction(const Array& params, bool fHelp)
{
CTransaction tx;
uint256 hashBlock = 0;
if (GetTransaction(hash, tx, hashBlock))
if ((!ptx) && GetTransaction(hash, tx, hashBlock))
ptx = &tx;
if (ptx)
{
entry.push_back(Pair("txid", hash.GetHex()));
TxToJSON(tx, entry);
TxToJSON(*ptx, entry, decompositions);
if (hashBlock == 0)
entry.push_back(Pair("confirmations", 0));
else
@ -1564,6 +1642,22 @@ Value gettransaction(const Array& params, bool fHelp)
else
throw JSONRPCError(-5, "No information available about transaction");
}
}
Value gettransaction(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"gettransaction <txid> [decompositions]\n"
"Get detailed information about <txid>");
uint256 hash;
hash.SetHex(params[0].get_str());
Object entry;
AnyTxToJSON(hash, NULL, entry,
(params.size() > 1) ? params[1].get_obj() : emptyobj);
return entry;
}
@ -2045,9 +2139,9 @@ Value getblockhash(const Array& params, bool fHelp)
Value getblock(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"getblock <hash>\n"
"getblock <hash> [decompositions]\n"
"Returns details of a block with given block-hash.");
std::string strHash = params[0].get_str();
@ -2060,7 +2154,8 @@ Value getblock(const Array& params, bool fHelp)
CBlockIndex* pblockindex = mapBlockIndex[hash];
block.ReadFromDisk(pblockindex, true);
return blockToJSON(block, pblockindex);
return blockToJSON(block, pblockindex,
(params.size() > 1) ? params[1].get_obj() : emptyobj);
}
@ -2718,7 +2813,9 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri
if (strMethod == "listreceivedbyaccount" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "listreceivedbyaccount" && n > 1) ConvertTo<bool>(params[1]);
if (strMethod == "getbalance" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "getblock" && n > 1) ConvertTo<Object>(params[1]);
if (strMethod == "getblockhash" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "gettransaction" && n > 1) ConvertTo<Object>(params[1]);
if (strMethod == "move" && n > 2) ConvertTo<double>(params[2]);
if (strMethod == "move" && n > 3) ConvertTo<boost::int64_t>(params[3]);
if (strMethod == "sendfrom" && n > 2) ConvertTo<double>(params[2]);