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38 lines
866 B
Python
38 lines
866 B
Python
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from construct import Byte, GreedyBytes, If, Int8ul, Prefixed, RawCopy, Struct, this
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from .custom_constructs import CompactArray, CompactU16, PublicKey, Version
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Header = Struct(
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"signers" / Int8ul,
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"readonly_signers" / Int8ul,
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"readonly_non_signers" / Int8ul,
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)
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Accounts = CompactArray(PublicKey)
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Lut = Struct(
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"account" / PublicKey,
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"readwrite" / CompactArray(Int8ul),
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"readonly" / CompactArray(Int8ul),
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)
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Luts = CompactArray(Lut)
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RawInstruction = RawCopy(
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Struct(
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"program_id" / Byte,
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"accounts" / CompactArray(Byte),
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"data" / Prefixed(CompactU16, GreedyBytes),
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)
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)
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Message = Struct(
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"version" / Version,
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"header" / Header,
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"accounts" / Accounts,
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"blockhash" / PublicKey,
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"instructions" / CompactArray(RawInstruction),
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"luts" / If(this.version != None, Luts), # noqa: E711
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)
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