From d7078533ebd32bb5071f4dba8e3d9c5a3b1f0d4c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pavel=20Jan=C3=ADk?= Date: Mon, 29 Jun 2015 20:14:02 +0200 Subject: [PATCH 1/2] Add OP_RETURN support in createrawtransaction RPC call, add tests. --- src/rpcrawtransaction.cpp | 43 ++++++++++++++++++++++++--------------- src/test/rpc_tests.cpp | 18 ++++++++++++++++ 2 files changed, 45 insertions(+), 16 deletions(-) diff --git a/src/rpcrawtransaction.cpp b/src/rpcrawtransaction.cpp index a3246b41f..9eeca5b7d 100644 --- a/src/rpcrawtransaction.cpp +++ b/src/rpcrawtransaction.cpp @@ -318,8 +318,9 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp) { if (fHelp || params.size() != 2) throw runtime_error( - "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,...}\n" - "\nCreate a transaction spending the given inputs and sending to the given addresses.\n" + "createrawtransaction [{\"txid\":\"id\",\"vout\":n},...] {\"address\":amount,\"data\":\"hex\",...}\n" + "\nCreate a transaction spending the given inputs and creating new outputs.\n" + "Outputs can be addresses or data.\n" "Returns hex-encoded raw transaction.\n" "Note that the transaction's inputs are not signed, and\n" "it is not stored in the wallet or transmitted to the network.\n" @@ -328,23 +329,25 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp) "1. \"transactions\" (string, required) A json array of json objects\n" " [\n" " {\n" - " \"txid\":\"id\", (string, required) The transaction id\n" + " \"txid\":\"id\", (string, required) The transaction id\n" " \"vout\":n (numeric, required) The output number\n" " }\n" " ,...\n" " ]\n" - "2. \"addresses\" (string, required) a json object with addresses as keys and amounts as values\n" + "2. \"outputs\" (string, required) a json object with outputs\n" " {\n" " \"address\": x.xxx (numeric, required) The key is the bitcoin address, the value is the " + CURRENCY_UNIT + " amount\n" - " ,...\n" + " \"data\": \"hex\", (string, required) The key is \"data\", the value is hex encoded data\n" + " ...\n" " }\n" - "\nResult:\n" "\"transaction\" (string) hex string of the transaction\n" "\nExamples\n" + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"address\\\":0.01}\"") + + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\" \"{\\\"data\\\":\\\"00010203\\\"}\"") + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"address\\\":0.01}\"") + + HelpExampleRpc("createrawtransaction", "\"[{\\\"txid\\\":\\\"myid\\\",\\\"vout\\\":0}]\", \"{\\\"data\\\":\\\"00010203\\\"}\"") ); LOCK(cs_main); @@ -375,19 +378,27 @@ UniValue createrawtransaction(const UniValue& params, bool fHelp) set setAddress; vector addrList = sendTo.getKeys(); BOOST_FOREACH(const string& name_, addrList) { - CBitcoinAddress address(name_); - if (!address.IsValid()) - throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Bitcoin address: ")+name_); - if (setAddress.count(address)) - throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+name_); - setAddress.insert(address); + if (name_ == "data") { + std::vector data = ParseHexV(sendTo[name_].getValStr(),"Data"); + + CTxOut out(0, CScript() << OP_RETURN << data); + rawTx.vout.push_back(out); + } else { + CBitcoinAddress address(name_); + if (!address.IsValid()) + throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, string("Invalid Bitcoin address: ")+name_); - CScript scriptPubKey = GetScriptForDestination(address.Get()); - CAmount nAmount = AmountFromValue(sendTo[name_]); + if (setAddress.count(address)) + throw JSONRPCError(RPC_INVALID_PARAMETER, string("Invalid parameter, duplicated address: ")+name_); + setAddress.insert(address); - CTxOut out(nAmount, scriptPubKey); - rawTx.vout.push_back(out); + CScript scriptPubKey = GetScriptForDestination(address.Get()); + CAmount nAmount = AmountFromValue(sendTo[name_]); + + CTxOut out(nAmount, scriptPubKey); + rawTx.vout.push_back(out); + } } return EncodeHexTx(rawTx); diff --git a/src/test/rpc_tests.cpp b/src/test/rpc_tests.cpp index 7946b0285..a65572e6f 100644 --- a/src/test/rpc_tests.cpp +++ b/src/test/rpc_tests.cpp @@ -110,6 +110,24 @@ BOOST_AUTO_TEST_CASE(rpc_rawsign) BOOST_CHECK(find_value(r.get_obj(), "complete").get_bool() == true); } +BOOST_AUTO_TEST_CASE(rpc_createraw_op_return) +{ + BOOST_CHECK_NO_THROW(CallRPC("createrawtransaction [{\"txid\":\"a3b807410df0b60fcb9736768df5823938b2f838694939ba45f3c0a1bff150ed\",\"vout\":0}] {\"data\":\"68656c6c6f776f726c64\"}")); + + // Allow more than one data transaction output + BOOST_CHECK_NO_THROW(CallRPC("createrawtransaction [{\"txid\":\"a3b807410df0b60fcb9736768df5823938b2f838694939ba45f3c0a1bff150ed\",\"vout\":0}] {\"data\":\"68656c6c6f776f726c64\",\"data\":\"68656c6c6f776f726c64\"}")); + + // Key not "data" (bad address) + BOOST_CHECK_THROW(CallRPC("createrawtransaction [{\"txid\":\"a3b807410df0b60fcb9736768df5823938b2f838694939ba45f3c0a1bff150ed\",\"vout\":0}] {\"somedata\":\"68656c6c6f776f726c64\"}"), runtime_error); + + // Bad hex encoding of data output + BOOST_CHECK_THROW(CallRPC("createrawtransaction [{\"txid\":\"a3b807410df0b60fcb9736768df5823938b2f838694939ba45f3c0a1bff150ed\",\"vout\":0}] {\"data\":\"12345\"}"), runtime_error); + BOOST_CHECK_THROW(CallRPC("createrawtransaction [{\"txid\":\"a3b807410df0b60fcb9736768df5823938b2f838694939ba45f3c0a1bff150ed\",\"vout\":0}] {\"data\":\"12345g\"}"), runtime_error); + + // Data 81 bytes long + BOOST_CHECK_NO_THROW(CallRPC("createrawtransaction [{\"txid\":\"a3b807410df0b60fcb9736768df5823938b2f838694939ba45f3c0a1bff150ed\",\"vout\":0}] {\"data\":\"010203040506070809101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081\"}")); +} + BOOST_AUTO_TEST_CASE(rpc_format_monetary_values) { BOOST_CHECK(ValueFromAmount(0LL).write() == "0.00000000"); From 627468d2ea1f4d5dea9561fe77aaf53f3a83b4d2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Pavel=20Jan=C3=ADk?= Date: Mon, 29 Jun 2015 20:14:43 +0200 Subject: [PATCH 2/2] Add support for data-based outputs (OP_RETURN) to bitcoin-tx. --- src/Makefile.test.include | 2 ++ src/bitcoin-tx.cpp | 32 ++++++++++++++++++++++++++++ src/test/data/bitcoin-util-test.json | 30 ++++++++++++++++++++++++++ src/test/data/txcreatedata1.hex | 1 + src/test/data/txcreatedata2.hex | 1 + 5 files changed, 66 insertions(+) create mode 100644 src/test/data/txcreatedata1.hex create mode 100644 src/test/data/txcreatedata2.hex diff --git a/src/Makefile.test.include b/src/Makefile.test.include index f9384a09a..828919895 100644 --- a/src/Makefile.test.include +++ b/src/Makefile.test.include @@ -15,6 +15,8 @@ EXTRA_DIST += \ test/data/tx394b54bb.hex \ test/data/txcreate1.hex \ test/data/txcreate2.hex \ + test/data/txcreatedata1.hex \ + test/data/txcreatedata2.hex \ test/data/txcreatesign.hex JSON_TEST_FILES = \ diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp index e389d51a7..97a073174 100644 --- a/src/bitcoin-tx.cpp +++ b/src/bitcoin-tx.cpp @@ -70,6 +70,7 @@ static bool AppInitRawTx(int argc, char* argv[]) strUsage += HelpMessageOpt("locktime=N", _("Set TX lock time to N")); strUsage += HelpMessageOpt("nversion=N", _("Set TX version to N")); strUsage += HelpMessageOpt("outaddr=VALUE:ADDRESS", _("Add address-based output to TX")); + strUsage += HelpMessageOpt("outdata=[VALUE:]DATA", _("Add data-based output to TX")); strUsage += HelpMessageOpt("outscript=VALUE:SCRIPT", _("Add raw script output to TX")); strUsage += HelpMessageOpt("sign=SIGHASH-FLAGS", _("Add zero or more signatures to transaction") + ". " + _("This command requires JSON registers:") + @@ -231,6 +232,35 @@ static void MutateTxAddOutAddr(CMutableTransaction& tx, const string& strInput) tx.vout.push_back(txout); } +static void MutateTxAddOutData(CMutableTransaction& tx, const string& strInput) +{ + CAmount value = 0; + + // separate [VALUE:]DATA in string + size_t pos = strInput.find(':'); + + if (pos==0) + throw runtime_error("TX output value not specified"); + + if (pos != string::npos) { + // extract and validate VALUE + string strValue = strInput.substr(0, pos); + if (!ParseMoney(strValue, value)) + throw runtime_error("invalid TX output value"); + } + + // extract and validate DATA + string strData = strInput.substr(pos + 1, string::npos); + + if (!IsHex(strData)) + throw runtime_error("invalid TX output data"); + + std::vector data = ParseHex(strData); + + CTxOut txout(value, CScript() << OP_RETURN << data); + tx.vout.push_back(txout); +} + static void MutateTxAddOutScript(CMutableTransaction& tx, const string& strInput) { // separate VALUE:SCRIPT in string @@ -470,6 +500,8 @@ static void MutateTx(CMutableTransaction& tx, const string& command, MutateTxDelOutput(tx, commandVal); else if (command == "outaddr") MutateTxAddOutAddr(tx, commandVal); + else if (command == "outdata") + MutateTxAddOutData(tx, commandVal); else if (command == "outscript") MutateTxAddOutScript(tx, commandVal); diff --git a/src/test/data/bitcoin-util-test.json b/src/test/data/bitcoin-util-test.json index afd35af50..3bf80ca43 100644 --- a/src/test/data/bitcoin-util-test.json +++ b/src/test/data/bitcoin-util-test.json @@ -56,5 +56,35 @@ "sign=ALL", "outaddr=0.001:193P6LtvS4nCnkDvM9uXn1gsSRqh4aDAz7"], "output_cmp": "txcreatesign.hex" + }, + { "exec": "./bitcoin-tx", + "args": + ["-create", + "in=5897de6bd6027a475eadd57019d4e6872c396d0716c4875a5f1a6fcfdf385c1f:0", + "outdata=4:badhexdata"], + "return_code": 1 + }, + { "exec": "./bitcoin-tx", + "args": + ["-create", + "in=5897de6bd6027a475eadd57019d4e6872c396d0716c4875a5f1a6fcfdf385c1f:0", + "outdata=badhexdata"], + "return_code": 1 + }, + { "exec": "./bitcoin-tx", + "args": + ["-create", + "in=5897de6bd6027a475eadd57019d4e6872c396d0716c4875a5f1a6fcfdf385c1f:0", + "outaddr=0.18:13tuJJDR2RgArmgfv6JScSdreahzgc4T6o", + "outdata=4:54686973204f505f52455455524e207472616e73616374696f6e206f7574707574207761732063726561746564206279206d6f646966696564206372656174657261777472616e73616374696f6e2e"], + "output_cmp": "txcreatedata1.hex" + }, + { "exec": "./bitcoin-tx", + "args": + ["-create", + "in=5897de6bd6027a475eadd57019d4e6872c396d0716c4875a5f1a6fcfdf385c1f:0", + "outaddr=0.18:13tuJJDR2RgArmgfv6JScSdreahzgc4T6o", + "outdata=54686973204f505f52455455524e207472616e73616374696f6e206f7574707574207761732063726561746564206279206d6f646966696564206372656174657261777472616e73616374696f6e2e"], + "output_cmp": "txcreatedata2.hex" } ] diff --git a/src/test/data/txcreatedata1.hex b/src/test/data/txcreatedata1.hex new file mode 100644 index 000000000..eccc7604e --- /dev/null +++ b/src/test/data/txcreatedata1.hex @@ -0,0 +1 @@ +01000000011f5c38dfcf6f1a5f5a87c416076d392c87e6d41970d5ad5e477a02d66bde97580000000000ffffffff0280a81201000000001976a9141fc11f39be1729bf973a7ab6a615ca4729d6457488ac0084d71700000000526a4c4f54686973204f505f52455455524e207472616e73616374696f6e206f7574707574207761732063726561746564206279206d6f646966696564206372656174657261777472616e73616374696f6e2e00000000 diff --git a/src/test/data/txcreatedata2.hex b/src/test/data/txcreatedata2.hex new file mode 100644 index 000000000..3c7644c29 --- /dev/null +++ b/src/test/data/txcreatedata2.hex @@ -0,0 +1 @@ +01000000011f5c38dfcf6f1a5f5a87c416076d392c87e6d41970d5ad5e477a02d66bde97580000000000ffffffff0280a81201000000001976a9141fc11f39be1729bf973a7ab6a615ca4729d6457488ac0000000000000000526a4c4f54686973204f505f52455455524e207472616e73616374696f6e206f7574707574207761732063726561746564206279206d6f646966696564206372656174657261777472616e73616374696f6e2e00000000