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test/functional/test_framework/mininode.py
| Show First 20 Lines • Show All 396 Lines • ▼ Show 20 Lines | class CTransaction(): | ||||
| def deserialize(self, f): | def deserialize(self, f): | ||||
| self.nVersion = struct.unpack("<i", f.read(4))[0] | self.nVersion = struct.unpack("<i", f.read(4))[0] | ||||
| self.vin = deser_vector(f, CTxIn) | self.vin = deser_vector(f, CTxIn) | ||||
| self.vout = deser_vector(f, CTxOut) | self.vout = deser_vector(f, CTxOut) | ||||
| self.nLockTime = struct.unpack("<I", f.read(4))[0] | self.nLockTime = struct.unpack("<I", f.read(4))[0] | ||||
| self.sha256 = None | self.sha256 = None | ||||
| self.hash = None | self.hash = None | ||||
| def billable_size(self): | |||||
| # We need a heuristic for unsigned transactions as they do not yet | |||||
| # include the pubkey hash, or the signature. | |||||
| tx_size = 10 # base transaction overhead | |||||
| for vin in self.vin: | |||||
| # Max of sig + p2kh, or the actual size if it's more. | |||||
| tx_size += max(len(ToHex(vin))//2, 147) | |||||
| for vout in self.vout: | |||||
| # Include the sizes for the outputs. | |||||
| tx_size += len(ToHex(vout))//2 | |||||
| tx_size += (len(self.vout) - len(self.vin))*179 | |||||
| return max(tx_size, 10 + 34 * len(self.vout)) | |||||
| def serialize(self): | def serialize(self): | ||||
| r = b"" | r = b"" | ||||
| r += struct.pack("<i", self.nVersion) | r += struct.pack("<i", self.nVersion) | ||||
| r += ser_vector(self.vin) | r += ser_vector(self.vin) | ||||
| r += ser_vector(self.vout) | r += ser_vector(self.vout) | ||||
| r += struct.pack("<I", self.nLockTime) | r += struct.pack("<I", self.nLockTime) | ||||
| return r | return r | ||||
| ▲ Show 20 Lines • Show All 1,355 Lines • Show Last 20 Lines | |||||