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@ -56,12 +56,27 @@ def create_coinbase(height, pubkey = None):
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coinbase.calc_sha256()
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return coinbase
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# Create a transaction with an anyone-can-spend output, that spends the
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# nth output of prevtx.
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def create_transaction(prevtx, n, sig, value):
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# Create a transaction.
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# If the scriptPubKey is not specified, make it anyone-can-spend.
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def create_transaction(prevtx, n, sig, value, scriptPubKey=CScript()):
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tx = CTransaction()
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assert(n < len(prevtx.vout))
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tx.vin.append(CTxIn(COutPoint(prevtx.sha256, n), sig, 0xffffffff))
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tx.vout.append(CTxOut(value, b""))
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tx.vout.append(CTxOut(value, scriptPubKey))
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tx.calc_sha256()
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return tx
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def get_legacy_sigopcount_block(block, fAccurate=True):
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count = 0
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for tx in block.vtx:
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count += get_legacy_sigopcount_tx(tx, fAccurate)
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return count
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def get_legacy_sigopcount_tx(tx, fAccurate=True):
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count = 0
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for i in tx.vout:
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count += i.scriptPubKey.GetSigOpCount(fAccurate)
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for j in tx.vin:
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# scriptSig might be of type bytes, so convert to CScript for the moment
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count += CScript(j.scriptSig).GetSigOpCount(fAccurate)
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return count
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