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test/functional/test_framework/txtools.py
| Show All 38 Lines | while required_padding > 0: | ||||
| assert padding_len >= 0, "Can't pad less than 0 bytes, trying {}".format( | assert padding_len >= 0, "Can't pad less than 0 bytes, trying {}".format( | ||||
| padding_len) | padding_len) | ||||
| # We will end up with less than 1 UTXO of bytes after this, add | # We will end up with less than 1 UTXO of bytes after this, add | ||||
| # them to this txn | # them to this txn | ||||
| next_iteration_padding = required_padding - padding_len - extra_bytes | next_iteration_padding = required_padding - padding_len - extra_bytes | ||||
| if next_iteration_padding > 0 and next_iteration_padding < extra_bytes: | if next_iteration_padding > 0 and next_iteration_padding < extra_bytes: | ||||
| padding_len += next_iteration_padding | padding_len += next_iteration_padding | ||||
| # If we're at exactly, or below, extra_bytes we don't want a 1 extra byte padding | # If we're at exactly, or below, extra_bytes we don't want a 1 extra | ||||
| # byte padding | |||||
| if padding_len <= extra_bytes: | if padding_len <= extra_bytes: | ||||
| tx.vout.append(CTxOut(0, CScript([OP_RETURN]))) | tx.vout.append(CTxOut(0, CScript([OP_RETURN]))) | ||||
| else: | else: | ||||
| # Subtract the overhead for the TxOut | # Subtract the overhead for the TxOut | ||||
| padding_len -= extra_bytes | padding_len -= extra_bytes | ||||
| padding = random.randrange( | padding = random.randrange( | ||||
| 1 << 8 * padding_len - 2, 1 << 8 * padding_len - 1) | 1 << 8 * padding_len - 2, 1 << 8 * padding_len - 1) | ||||
| tx.vout.append( | tx.vout.append( | ||||
| Show All 16 Lines | |||||