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Add optional locktime to createrawtransaction

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A non-zero locktime also causes input sequences to be set to
non-max, activating the locktime.
This commit is contained in:
Tom Harding 2015-03-22 10:51:43 -07:00
parent 3eaaf71fe7
commit 212bcca920
2 changed files with 17 additions and 4 deletions
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1
src/rpcclient.cpp
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@ -76,6 +76,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
{ "getrawtransaction", 1 }, { "getrawtransaction", 1 },
{ "createrawtransaction", 0 }, { "createrawtransaction", 0 },
{ "createrawtransaction", 1 }, { "createrawtransaction", 1 },
{ "createrawtransaction", 2 },
{ "signrawtransaction", 1 }, { "signrawtransaction", 1 },
{ "signrawtransaction", 2 }, { "signrawtransaction", 2 },
{ "sendrawtransaction", 1 }, { "sendrawtransaction", 1 },

20
src/rpcrawtransaction.cpp
View file

@ -316,9 +316,9 @@ UniValue verifytxoutproof(const UniValue& params, bool fHelp)
UniValue createrawtransaction(const UniValue& params, bool fHelp) UniValue createrawtransaction(const UniValue& params, bool fHelp)
{ {
if (fHelp || params.size() != 2) if (fHelp || params.size() < 2 || params.size() > 3)
throw runtime_error( throw runtime_error(
"createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...}\n" "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...} ( locktime )\n"
"\nCreate a transaction spending the given inputs and creating new outputs.\n" "\nCreate a transaction spending the given inputs and creating new outputs.\n"
"Outputs can be addresses or data.\n" "Outputs can be addresses or data.\n"
"Returns hex-encoded raw transaction.\n" "Returns hex-encoded raw transaction.\n"
@ -340,6 +340,7 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
" \"data\": \"hex\", (string, required) The key is \"data\", the value is hex encoded data\n" " \"data\": \"hex\", (string, required) The key is \"data\", the value is hex encoded data\n"
" ...\n" " ...\n"
" }\n" " }\n"
"3. locktime (numeric, optional, default=0) Raw locktime. Non-0 value also locktime-activates inputs\n"
"\nResult:\n" "\nResult:\n"
"\"transaction\" (string) hex string of the transaction\n" "\"transaction\" (string) hex string of the transaction\n"
@ -351,13 +352,22 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
); );
LOCK(cs_main); LOCK(cs_main);
RPCTypeCheck(params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)); RPCTypeCheck(params, boost::assign::list_of(UniValue::VARR)(UniValue::VOBJ)(UniValue::VNUM), true);
if (params[0].isNull() || params[1].isNull())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, arguments 1 and 2 must be non-null");
UniValue inputs = params[0].get_array(); UniValue inputs = params[0].get_array();
UniValue sendTo = params[1].get_obj(); UniValue sendTo = params[1].get_obj();
CMutableTransaction rawTx; CMutableTransaction rawTx;
if (params.size() > 2 && !params[2].isNull()) {
int64_t nLockTime = params[2].get_int64();
if (nLockTime < 0 || nLockTime > std::numeric_limits<uint32_t>::max())
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, locktime out of range");
rawTx.nLockTime = nLockTime;
}
for (unsigned int idx = 0; idx < inputs.size(); idx++) { for (unsigned int idx = 0; idx < inputs.size(); idx++) {
const UniValue& input = inputs[idx]; const UniValue& input = inputs[idx];
const UniValue& o = input.get_obj(); const UniValue& o = input.get_obj();
@ -371,7 +381,9 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp)
if (nOutput < 0) if (nOutput < 0)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive"); throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, vout must be positive");
CTxIn in(COutPoint(txid, nOutput)); uint32_t nSequence = (rawTx.nLockTime ? std::numeric_limits<uint32_t>::max() - 1 : std::numeric_limits<uint32_t>::max());
CTxIn in(COutPoint(txid, nOutput), CScript(), nSequence);
rawTx.vin.push_back(in); rawTx.vin.push_back(in);
} }