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sendmany RPC command, to send to multiple recipients in one transaction.

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This commit is contained in:
Gavin Andresen
2010-12-16 15:48:04 -05:00
parent f4f2987273
commit b931ed8563
3 changed files with 106 additions and 16 deletions
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73
rpc.cpp
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@@ -768,6 +768,69 @@ Value sendfrom(const Array& params, bool fHelp)
return wtx.GetHash().GetHex();
}
Value sendmany(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 2 || params.size() > 4)
throw runtime_error(
"sendmany <fromaccount> {address:amount,...} [minconf=1] [comment]\n"
"amounts are double-precision floating point numbers");
string strAccount = AccountFromValue(params[0]);
Object sendTo = params[1].get_obj();
int nMinDepth = 1;
if (params.size() > 2)
nMinDepth = params[2].get_int();
CWalletTx wtx;
wtx.strFromAccount = strAccount;
if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
wtx.mapValue["comment"] = params[3].get_str();
set<string> setAddress;
vector<pair<CScript, int64> > vecSend;
int64 totalAmount = 0;
foreach(const Pair& s, sendTo)
{
uint160 hash160;
string strAddress = s.name_;
if (setAddress.count(strAddress))
throw JSONRPCError(-8, string("Invalid parameter, duplicated address: ")+strAddress);
setAddress.insert(strAddress);
CScript scriptPubKey;
if (!scriptPubKey.SetBitcoinAddress(strAddress))
throw JSONRPCError(-5, string("Invalid bitcoin address:")+strAddress);
int64 nAmount = AmountFromValue(s.value_);
totalAmount += nAmount;
vecSend.push_back(make_pair(scriptPubKey, nAmount));
}
CRITICAL_BLOCK(cs_mapWallet)
{
// Check funds
int64 nBalance = GetAccountBalance(strAccount, nMinDepth);
if (totalAmount > nBalance)
throw JSONRPCError(-6, "Account has insufficient funds");
// Send
CReserveKey keyChange;
int64 nFeeRequired = 0;
bool fCreated = CreateTransaction(vecSend, wtx, keyChange, nFeeRequired);
if (!fCreated)
{
if (totalAmount + nFeeRequired > GetBalance())
throw JSONRPCError(-6, "Insufficient funds");
throw JSONRPCError(-4, "Transaction creation failed");
}
if (!CommitTransaction(wtx, keyChange))
throw JSONRPCError(-4, "Transaction commit failed");
}
return wtx.GetHash().GetHex();
}
struct tallyitem
@@ -1344,6 +1407,7 @@ pair<string, rpcfn_type> pCallTable[] =
make_pair("getbalance", &getbalance),
make_pair("move", &movecmd),
make_pair("sendfrom", &sendfrom),
make_pair("sendmany", &sendmany),
make_pair("gettransaction", &gettransaction),
make_pair("listtransactions", &listtransactions),
make_pair("getwork", &getwork),
@@ -1995,6 +2059,15 @@ int CommandLineRPC(int argc, char *argv[])
if (strMethod == "sendfrom" && n > 3) ConvertTo<boost::int64_t>(params[3]);
if (strMethod == "listtransactions" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "listaccounts" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "sendmany" && n > 1)
{
string s = params[1].get_str();
Value v;
if (!read_string(s, v) || v.type() != obj_type)
throw runtime_error("type mismatch");
params[1] = v.get_obj();
}
if (strMethod == "sendmany" && n > 2) ConvertTo<boost::int64_t>(params[2]);
// Execute
Object reply = CallRPC(strMethod, params);