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Add all transaction output types to bitcoin-tx.

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This commit enhances bitcoin-tx so all remaining standard TXO types can be created:

- Pay to Pub Key
- Multi-sig
  - bare multi-sig
  - multi-sig in Pay To Script Hash
  - multi-sig in Pay to Witness Script Hash
  - multi-sig in Pay to Witness Script Hash, wrapped in P2SH
- Pay to Witness Pub Key Hash
  - Pay to Witness Pub Key Hash, wrapped in P2SH
- Pay to Witness Script Hash
  - Pay to Witness Script Hash, wrapped in P2SH
This commit is contained in:
jnewbery 2016-10-04 14:21:25 -04:00 committed by John Newbery
parent 1814b089fb
commit 61a153443e
1 changed files with 159 additions and 36 deletions
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195
src/bitcoin-tx.cpp
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@ -78,10 +78,16 @@ static int 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("outpubkey=VALUE:PUBKEY[:FLAGS]", _("Add pay-to-pubkey output to TX") + ". " +
_("Optionally add the \"W\" flag to produce a pay-to-witness-pubkey-hash output") + ". " +
_("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
strUsage += HelpMessageOpt("outdata=[VALUE:]DATA", _("Add data-based output to TX"));
strUsage += HelpMessageOpt("outscript=VALUE:SCRIPT(:\"SEGWIT\")(:\"P2SH\")", _("Add raw script output to TX") + ". " +
_("Optionally add the \"SEGWIT\" flag to produce a segwit output") + ". " +
_("Optionally add the \"P2SH\" flag to wrap the script in a P2SH output."));
strUsage += HelpMessageOpt("outscript=VALUE:SCRIPT[:FLAGS]", _("Add raw script output to TX") + ". " +
_("Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output") + ". " +
_("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
strUsage += HelpMessageOpt("outmultisig=VALUE:REQUIRED:PUBKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]", _("Add Pay To n-of-m Multi-sig output to TX. n = REQUIRED, m = PUBKEYS") + ". " +
_("Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output") + ". " +
_("Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash."));
strUsage += HelpMessageOpt("sign=SIGHASH-FLAGS", _("Add zero or more signatures to transaction") + ". " +
_("This command requires JSON registers:") +
_("prevtxs=JSON object") + ", " +
@ -170,6 +176,14 @@ static void RegisterLoad(const std::string& strInput)
RegisterSetJson(key, valStr);
}
static CAmount ExtractAndValidateValue(const std::string& strValue)
{
CAmount value;
if (!ParseMoney(strValue, value))
throw std::runtime_error("invalid TX output value");
return value;
}
static void MutateTxVersion(CMutableTransaction& tx, const std::string& cmdVal)
{
int64_t newVersion = atoi64(cmdVal);
@ -224,25 +238,18 @@ static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInpu
static void MutateTxAddOutAddr(CMutableTransaction& tx, const std::string& strInput)
{
// separate VALUE:ADDRESS in string
size_t pos = strInput.find(':');
if ((pos == std::string::npos) ||
(pos == 0) ||
(pos == (strInput.size() - 1)))
throw std::runtime_error("TX output missing separator");
// Separate into VALUE:ADDRESS
std::vector<std::string> vStrInputParts;
boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
// extract and validate VALUE
std::string strValue = strInput.substr(0, pos);
CAmount value;
if (!ParseMoney(strValue, value))
throw std::runtime_error("invalid TX output value");
// Extract and validate VALUE
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
// extract and validate ADDRESS
std::string strAddr = strInput.substr(pos + 1, std::string::npos);
std::string strAddr = vStrInputParts[1];
CBitcoinAddress addr(strAddr);
if (!addr.IsValid())
throw std::runtime_error("invalid TX output address");
// build standard output script via GetScriptForDestination()
CScript scriptPubKey = GetScriptForDestination(addr.Get());
@ -251,6 +258,114 @@ static void MutateTxAddOutAddr(CMutableTransaction& tx, const std::string& strIn
tx.vout.push_back(txout);
}
static void MutateTxAddOutPubKey(CMutableTransaction& tx, const std::string& strInput)
{
// Separate into VALUE:PUBKEY[:FLAGS]
std::vector<std::string> vStrInputParts;
boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
// Extract and validate VALUE
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
// Extract and validate PUBKEY
CPubKey pubkey(ParseHex(vStrInputParts[1]));
if (!pubkey.IsFullyValid())
throw std::runtime_error("invalid TX output pubkey");
CScript scriptPubKey = GetScriptForRawPubKey(pubkey);
CBitcoinAddress addr(scriptPubKey);
// Extract and validate FLAGS
bool bSegWit = false;
bool bScriptHash = false;
if (vStrInputParts.size() == 3) {
std::string flags = vStrInputParts[2];
bSegWit = (flags.find("W") != std::string::npos);
bScriptHash = (flags.find("S") != std::string::npos);
}
if (bSegWit) {
// Call GetScriptForWitness() to build a P2WSH scriptPubKey
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (bScriptHash) {
// Get the address for the redeem script, then call
// GetScriptForDestination() to construct a P2SH scriptPubKey.
CBitcoinAddress redeemScriptAddr(scriptPubKey);
scriptPubKey = GetScriptForDestination(redeemScriptAddr.Get());
}
// construct TxOut, append to transaction output list
CTxOut txout(value, scriptPubKey);
tx.vout.push_back(txout);
}
static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& strInput)
{
// Separate into VALUE:REQUIRED:NUMKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]
std::vector<std::string> vStrInputParts;
boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
// Check that there are enough parameters
if (vStrInputParts.size()<3)
throw std::runtime_error("Not enough multisig parameters");
// Extract and validate VALUE
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
// Extract REQUIRED
uint32_t required = stoul(vStrInputParts[1]);
// Extract NUMKEYS
uint32_t numkeys = stoul(vStrInputParts[2]);
// Validate there are the correct number of pubkeys
if (vStrInputParts.size() < numkeys + 3)
throw std::runtime_error("incorrect number of multisig pubkeys");
if (required < 1 || required > 20 || numkeys < 1 || numkeys > 20 || numkeys < required)
throw std::runtime_error("multisig parameter mismatch. Required " \
+ std::to_string(required) + " of " + std::to_string(numkeys) + "signatures.");
// extract and validate PUBKEYs
std::vector<CPubKey> pubkeys;
for(int pos = 1; pos <= int(numkeys); pos++) {
CPubKey pubkey(ParseHex(vStrInputParts[pos + 2]));
if (!pubkey.IsFullyValid())
throw std::runtime_error("invalid TX output pubkey");
pubkeys.push_back(pubkey);
}
// Extract FLAGS
bool bSegWit = false;
bool bScriptHash = false;
if (vStrInputParts.size() == numkeys + 4) {
std::string flags = vStrInputParts.back();
bSegWit = (flags.find("W") != std::string::npos);
bScriptHash = (flags.find("S") != std::string::npos);
}
else if (vStrInputParts.size() > numkeys + 4) {
// Validate that there were no more parameters passed
throw std::runtime_error("Too many parameters");
}
CScript scriptPubKey = GetScriptForMultisig(required, pubkeys);
if (bSegWit) {
// Call GetScriptForWitness() to build a P2WSH scriptPubKey
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (bScriptHash) {
// Get the address for the redeem script, then call
// GetScriptForDestination() to construct a P2SH scriptPubKey.
CBitcoinAddress addr(scriptPubKey);
scriptPubKey = GetScriptForDestination(addr.Get());
}
// construct TxOut, append to transaction output list
CTxOut txout(value, scriptPubKey);
tx.vout.push_back(txout);
}
static void MutateTxAddOutData(CMutableTransaction& tx, const std::string& strInput)
{
CAmount value = 0;
@ -262,10 +377,8 @@ static void MutateTxAddOutData(CMutableTransaction& tx, const std::string& strIn
throw std::runtime_error("TX output value not specified");
if (pos != std::string::npos) {
// extract and validate VALUE
std::string strValue = strInput.substr(0, pos);
if (!ParseMoney(strValue, value))
throw std::runtime_error("invalid TX output value");
// Extract and validate VALUE
value = ExtractAndValidateValue(strInput.substr(0, pos));
}
// extract and validate DATA
@ -282,26 +395,32 @@ static void MutateTxAddOutData(CMutableTransaction& tx, const std::string& strIn
static void MutateTxAddOutScript(CMutableTransaction& tx, const std::string& strInput)
{
// separate VALUE:SCRIPT(:SEGWIT)(:P2SH)
std::vector<std::string> vStrInput;
boost::split(vStrInput, strInput, boost::is_any_of(":"));
if (vStrInput.size() < 2)
throw srd::runtime_error("TX output missing separator");
// separate VALUE:SCRIPT[:FLAGS]
std::vector<std::string> vStrInputParts;
boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
if (vStrInputParts.size() < 2)
throw std::runtime_error("TX output missing separator");
// extract and validate VALUE
std::string strValue = vStrInput[0];
CAmount value;
if (!ParseMoney(strValue, value))
throw std::runtime_error("invalid TX output value");
// Extract and validate VALUE
CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
// extract and validate script
std::string strScript = vStrInput[1];
CScript scriptPubKey = ParseScript(strScript); // throws on err
std::string strScript = vStrInputParts[1];
CScript scriptPubKey = ParseScript(strScript);
if (std::find(vStrInput.begin(), vStrInput.end(), "SEGWIT") != vStrInput.end()) {
// Extract FLAGS
bool bSegWit = false;
bool bScriptHash = false;
if (vStrInputParts.size() == 3) {
std::string flags = vStrInputParts.back();
bSegWit = (flags.find("W") != std::string::npos);
bScriptHash = (flags.find("S") != std::string::npos);
}
if (bSegWit) {
scriptPubKey = GetScriptForWitness(scriptPubKey);
}
if (std::find(vStrInput.begin(), vStrInput.end(), "P2SH") != vStrInput.end()) {
if (bScriptHash) {
CBitcoinAddress addr(scriptPubKey);
scriptPubKey = GetScriptForDestination(addr.Get());
}
@ -548,10 +667,14 @@ static void MutateTx(CMutableTransaction& tx, const std::string& command,
MutateTxDelOutput(tx, commandVal);
else if (command == "outaddr")
MutateTxAddOutAddr(tx, commandVal);
else if (command == "outdata")
MutateTxAddOutData(tx, commandVal);
else if (command == "outpubkey")
MutateTxAddOutPubKey(tx, commandVal);
else if (command == "outmultisig")
MutateTxAddOutMultiSig(tx, commandVal);
else if (command == "outscript")
MutateTxAddOutScript(tx, commandVal);
else if (command == "outdata")
MutateTxAddOutData(tx, commandVal);
else if (command == "sign") {
if (!ecc) { ecc.reset(new Secp256k1Init()); }