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add serialization flag support for peg-in inputs

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This commit is contained in:
Gregory Sanders 2017-09-15 14:17:03 -04:00
parent 9a9ac25ee1
commit 36b3ab1a22
1 changed files with 20 additions and 6 deletions
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26
src/primitives/transaction.h
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@ -255,14 +255,18 @@ public:
uint256 hash;
uint32_t n;
/* If this flag set, the CTxIn including this COutPoint has a
/* If this flag is set, the CTxIn including this COutPoint has a
* CAssetIssuance object. */
static const uint32_t OUTPOINT_ISSUANCE_FLAG = (1 << 31);
/* If this flag is set, the CTxIn including this COutPoint
* is a peg-in input. */
static const uint32_t OUTPOINT_PEGIN_FLAG = (1 << 30);
/* The inverse of the combination of the preceeding flags. Used to
* extract the original meaning of `n` as the index into the
* transaction's output array. */
static const uint32_t OUTPOINT_INDEX_MASK = 0x7fffffff;
static const uint32_t OUTPOINT_INDEX_MASK = 0x3fffffff;
COutPoint() { SetNull(); }
COutPoint(uint256 hashIn, uint32_t nIn) { hash = hashIn; n = nIn; }
@ -376,6 +380,9 @@ public:
CScript scriptSig;
uint32_t nSequence;
CAssetIssuance assetIssuance;
/* If this is set to true, the input is interpreted as a
* peg-in claim and processed as such */
bool m_is_pegin = false;
/* Setting nSequence to this value for every input in a transaction
* disables nLockTime. */
@ -426,10 +433,10 @@ public:
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
// The issuance and pegin bits can't be set as it is used to indicate
// the presence of the asset issuance or pegin objects. They should
// never be set anyway as that would require a parent
// transaction with over two billion outputs.
// transaction with over one 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.
@ -442,6 +449,9 @@ public:
if (fHasAssetIssuance) {
outpoint.n |= COutPoint::OUTPOINT_ISSUANCE_FLAG;
}
if (m_is_pegin) {
outpoint.n |= COutPoint::OUTPOINT_PEGIN_FLAG;
}
}
}
@ -452,10 +462,14 @@ public:
// No asset issuance for Coinbase inputs.
fHasAssetIssuance = false;
prevout = outpoint;
m_is_pegin = false;
} else {
// The presense of the asset issuance object is indicated by
// The presence of the asset issuance object is indicated by
// a bit set in the outpoint index field.
fHasAssetIssuance = !!(outpoint.n & COutPoint::OUTPOINT_ISSUANCE_FLAG);
// The interpretation of this input as a peg-in is indicated by
// a bit set in the outpoint index field.
m_is_pegin = !!(outpoint.n & COutPoint::OUTPOINT_PEGIN_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