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CA: Handle serialization of CAssetIssuance on coinbases correctly.

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This commit is contained in:
Mark Friedenbach 2017-02-21 17:16:08 -08:00 • committed by Gregory Sanders
parent a26a684371
commit fcfcfa7d09
1 changed files with 35 additions and 22 deletions
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57
src/primitives/transaction.h
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@ -450,33 +450,46 @@ public:
COutPoint outpoint;
if (!ser_action.ForRead()) {
// The issuance bit can't be set as it is used to indicate
// the presence of the asset issuance or objects. It should
// never be set anyway as that would require a parent
// transaction with over two billion outputs.
assert(!(prevout.n & ~COutPoint::OUTPOINT_INDEX_MASK));
// The assetIssuance object is used to represent both new
// asset generation and reissuance of existing asset types.
fHasAssetIssuance = !assetIssuance.IsNull();
// The mode is placed in the upper bits of the outpoint's
// index field. The IssuanceMode enum values are chosen to
// make this as simple as a bitwise-OR.
outpoint.hash = prevout.hash;
outpoint.n = prevout.n & COutPoint::OUTPOINT_INDEX_MASK;
if (prevout.n == (uint32_t) -1) {
// Coinbase inputs do not have asset issuances attached
// to them.
fHasAssetIssuance = false;
outpoint = prevout;
} else {
// The issuance bit can't be set as it is used to indicate
// the presence of the asset issuance or objects. It should
// never be set anyway as that would require a parent
// transaction with over two billion outputs.
assert(!(prevout.n & ~COutPoint::OUTPOINT_INDEX_MASK));
// The assetIssuance object is used to represent both new
// asset generation and reissuance of existing asset types.
fHasAssetIssuance = !assetIssuance.IsNull();
// The mode is placed in the upper bits of the outpoint's
// index field. The IssuanceMode enum values are chosen to
// make this as simple as a bitwise-OR.
outpoint.hash = prevout.hash;
outpoint.n = prevout.n & COutPoint::OUTPOINT_INDEX_MASK;
}
}
READWRITE(outpoint);
if (ser_action.ForRead()) {
// The presense of the asset issuance object is indicated by
// a bit set in the outpoint index field.
fHasAssetIssuance = !!(outpoint.n & COutPoint::OUTPOINT_ISSUANCE_FLAG);
// The mode, if set, must be masked out of the outpoint so
// that the in-memory index field retains its traditional
// meaning of identifying the index into the output array
// of the previous transaction.
prevout.hash = outpoint.hash;
prevout.n = outpoint.n & COutPoint::OUTPOINT_INDEX_MASK;
if (outpoint.n == (uint32_t) -1) {
// No asset issuance for Coinbase inputs.
fHasAssetIssuance = false;
prevout = outpoint;
} else {
// The presense of the asset issuance object is indicated by
// a bit set in the outpoint index field.
fHasAssetIssuance = !!(outpoint.n & COutPoint::OUTPOINT_ISSUANCE_FLAG);
// The mode, if set, must be masked out of the outpoint so
// that the in-memory index field retains its traditional
// meaning of identifying the index into the output array
// of the previous transaction.
prevout.hash = outpoint.hash;
prevout.n = outpoint.n & COutPoint::OUTPOINT_INDEX_MASK;
}
}
READWRITE(*(CScriptBase*)(&scriptSig));