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Allow arbitrary assets for fees

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This commit is contained in:
Gregory Sanders 2016-12-14 13:13:29 -05:00
parent cb2ee26d12
commit dcc378adae
10 changed files with 44 additions and 35 deletions
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30
src/validation.cpp
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@ -532,8 +532,10 @@ bool CheckTransaction(const CTransaction& tx, CValidationState &state, bool fChe
// Coinbase transactions may not have eccessive scriptSigs or any fee outputs
if (tx.vin[0].scriptSig.size() < 2 || tx.vin[0].scriptSig.size() > 100)
return state.DoS(100, false, REJECT_INVALID, "bad-cb-length");
if (tx.HasValidFee() || tx.GetFee() != 0)
return state.DoS(100, false, REJECT_INVALID, "bad-cb-fee");
for (unsigned int i = 0; i < tx.vout.size(); i++)
if (tx.vout[i].IsFee())
return state.DoS(100, false, REJECT_INVALID, "bad-cb-fee");
}
else
{
@ -824,16 +826,16 @@ bool VerifyAmounts(const CCoinsViewCache& cache, const CTransaction& tx, std::ve
return true;
}
bool VerifyCoinbaseAmount(const CTransaction& tx, const CAmount& fees, const uint256& feeID)
bool VerifyCoinbaseAmount(const CTransaction& tx, const CAmountMap& mapFees)
{
assert(tx.IsCoinBase());
CAmount remaining = fees;
CAmountMap remaining = mapFees;
for (unsigned int i = 0; i < tx.vout.size(); i++) {
if (!tx.vout[i].nValue.IsAmount() || !tx.vout[i].nAsset.IsAssetID())
return false;
if (feeID != BITCOINID)
return false;
remaining -= tx.vout[i].nValue.GetAmount();
uint256 assetid;
tx.vout[i].nAsset.GetAssetID(assetid);
remaining[assetid] -= tx.vout[i].nValue.GetAmount();
}
return MoneyRange(remaining);
}
@ -1032,7 +1034,7 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
if (!tx.HasValidFee())
return state.DoS(0, false, REJECT_INVALID, "bad-fees");
CAmount nFees = tx.GetFee();
CAmount nFees = tx.GetFee()[BITCOINID];
// nModifiedFees includes any fee deltas from PrioritiseTransaction
CAmount nModifiedFees = nFees;
@ -2480,7 +2482,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
CCheckQueueControl<CCheck> control(fScriptChecks && nScriptCheckThreads ? &scriptcheckqueue : NULL);
std::vector<int> prevheights;
CAmount nFees = 0;
CAmountMap mapFees;
int nInputs = 0;
int64_t nSigOpsCost = 0;
CDiskTxPos pos(pindex->GetBlockPos(), GetSizeOfCompactSize(block.vtx.size()));
@ -2555,20 +2557,20 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
}
if (!tx.HasValidFee())
return state.DoS(100, error("ConnectBlock(): transaction fee overflowed"), REJECT_INVALID, "bad-fee-outofrange");
nFees += tx.GetFee();
if (!MoneyRange(nFees))
mapFees += tx.GetFee();
if (!MoneyRange(mapFees))
return state.DoS(100, error("ConnectBlock(): total block reward overflowed"), REJECT_INVALID, "bad-blockreward-outofrange");
}
int64_t nTime3 = GetTimeMicros(); nTimeConnect += nTime3 - nTime2;
LogPrint("bench", " - Connect %u transactions: %.2fms (%.3fms/tx, %.3fms/txin) [%.2fs]\n", (unsigned)block.vtx.size(), 0.001 * (nTime3 - nTime2), 0.001 * (nTime3 - nTime2) / block.vtx.size(), nInputs <= 1 ? 0 : 0.001 * (nTime3 - nTime2) / (nInputs-1), nTimeConnect * 0.000001);
CAmount blockReward = nFees;
CAmountMap blockReward = mapFees;
if (!MoneyRange(blockReward))
return state.DoS(100, error("ConnectBlock(): total block reward overflowed"), REJECT_INVALID, "bad-blockreward-outofrange");
if (!VerifyCoinbaseAmount(*(block.vtx[0]), -blockReward, BITCOINID))
if (!VerifyCoinbaseAmount(*(block.vtx[0]), blockReward))
return state.DoS(100,
error("ConnectBlock(): coinbase pays too much (limit=%d)",
blockReward),
blockReward[BITCOINID]),
REJECT_INVALID, "bad-cb-amount");
//Don't DoS ban in case of RPC script check failure