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smypmsa
34 lines
1.0 KiB
Python
34 lines
1.0 KiB
Python
import hashlib
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import struct
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# https://book.anchor-lang.com/anchor_bts/discriminator.html
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# Set the instruction name here
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instruction_name = "account:BondingCurve"
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def calculate_discriminator(instruction_name):
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# Create a SHA256 hash object
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sha = hashlib.sha256()
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# Update the hash with the instruction name
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sha.update(instruction_name.encode("utf-8"))
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# Get the first 8 bytes of the hash
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discriminator_bytes = sha.digest()[:8]
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# Convert the bytes to a 64-bit unsigned integer (little-endian)
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discriminator = struct.unpack("<Q", discriminator_bytes)[0]
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return discriminator
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# Calculate the discriminator for the specified instruction
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discriminator = calculate_discriminator(instruction_name)
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print(f"Discriminator for '{instruction_name}' instruction: {discriminator}")
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# global:buy discriminator - 16927863322537952870
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# global:sell discriminator - 12502976635542562355
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# global:create discriminator - 8576854823835016728
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# account:BondingCurve discriminator - 6966180631402821399
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