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ASSETCHAINS_TXPOW for signrawtransaction

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This commit is contained in:
jl777
2018-10-21 11:36:18 -11:00
parent b8fefe8a26
commit 19e4c023b6
2 changed files with 56 additions and 25 deletions
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79
src/rpcrawtransaction.cpp
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@@ -1058,35 +1058,64 @@ UniValue signrawtransaction(const UniValue& params, bool fHelp)
// Use CTransaction for the constant parts of the
// transaction to avoid rehashing.
CMutableTransaction mergedTxsave = mergedTx;
int32_t txpow,numiters = 0;
const CTransaction txConst(mergedTx);
// Sign what we can:
for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
CTxIn& txin = mergedTx.vin[i];
const CCoins* coins = view.AccessCoins(txin.prevout.hash);
if (coins == NULL || !coins->IsAvailable(txin.prevout.n)) {
TxInErrorToJSON(txin, vErrors, "Input not found or already spent");
continue;
if ( (txpow= ASSETCHAINS_TXPOW) != 0 )
{
if ( txConst.IsCoinBase() != 0 )
{
if ( (txpow & 2) == 0 )
txpow == 0;
}
const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey;
const CAmount& amount = coins->vout[txin.prevout.n].nValue;
SignatureData sigdata;
// Only sign SIGHASH_SINGLE if there's a corresponding output:
if (!fHashSingle || (i < mergedTx.vout.size()))
ProduceSignature(MutableTransactionSignatureCreator(&keystore, &mergedTx, i, amount, nHashType), prevPubKey, sigdata, consensusBranchId);
// ... and merge in other signatures:
BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
sigdata = CombineSignatures(prevPubKey, TransactionSignatureChecker(&txConst, i, amount), sigdata, DataFromTransaction(txv, i), consensusBranchId);
}
UpdateTransaction(mergedTx, i, sigdata);
ScriptError serror = SCRIPT_ERR_OK;
if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), consensusBranchId, &serror)) {
TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
else
{
if ( (txpow & 1) == 0 )
txpow == 0;
}
}
while ( 1 )
{
if ( txpow != 0 )
mergedTx = mergedTxsave;
// Sign what we can:
for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
CTxIn& txin = mergedTx.vin[i];
const CCoins* coins = view.AccessCoins(txin.prevout.hash);
if (coins == NULL || !coins->IsAvailable(txin.prevout.n)) {
TxInErrorToJSON(txin, vErrors, "Input not found or already spent");
continue;
}
const CScript& prevPubKey = coins->vout[txin.prevout.n].scriptPubKey;
const CAmount& amount = coins->vout[txin.prevout.n].nValue;
SignatureData sigdata;
// Only sign SIGHASH_SINGLE if there's a corresponding output:
if (!fHashSingle || (i < mergedTx.vout.size()))
ProduceSignature(MutableTransactionSignatureCreator(&keystore, &mergedTx, i, amount, nHashType), prevPubKey, sigdata, consensusBranchId);
// ... and merge in other signatures:
BOOST_FOREACH(const CMutableTransaction& txv, txVariants) {
sigdata = CombineSignatures(prevPubKey, TransactionSignatureChecker(&txConst, i, amount), sigdata, DataFromTransaction(txv, i), consensusBranchId);
}
UpdateTransaction(mergedTx, i, sigdata);
ScriptError serror = SCRIPT_ERR_OK;
if (!VerifyScript(txin.scriptSig, prevPubKey, STANDARD_SCRIPT_VERIFY_FLAGS, TransactionSignatureChecker(&txConst, i, amount), consensusBranchId, &serror)) {
TxInErrorToJSON(txin, vErrors, ScriptErrorString(serror));
}
}
if ( txpow != 0 )
{
uint256 txid = mergedTx.GetHash();
if ( ((uint8_t *)&txid)[0] == 0 && ((uint8_t *)&txid)[31] == 0 )
break;
}
numiters++;
}
if ( numiters > 0 )
fprintf(stderr,"ASSETCHAINS_TXPOW.%d txpow.%d numiters.%d for signature\n",ASSETCHAINS_TXPOW,txpow,numiters);
bool fComplete = vErrors.empty();
UniValue result(UniValue::VOBJ);