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46 lines
939 B
Python
46 lines
939 B
Python
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#!/usr/bin/env python
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#
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# This script generates appropriate Stone prover parameters with the right
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# bounds for the number of execution steps.
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#
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# Invocation: gen_stone_params.py prog_public_input.json
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#
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import json
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import sys
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import math
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if len(sys.argv) != 2:
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sys.exit("Usage: gen_stone_params.py prog_public_input.json")
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f = open(sys.argv[1])
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data = json.load(f)
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f.close()
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n = int(math.log2(data["n_steps"])) - 6
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if n < 0:
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sys.exit("Too few execution steps (at least 64 required)")
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fri_step_list = [0, 4]
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while n > 3:
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fri_step_list.append(3)
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n -= 3
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if n > 0:
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fri_step_list.append(n)
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out = {
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"field": "PrimeField0",
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"stark": {
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"fri": {
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"fri_step_list": fri_step_list,
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"last_layer_degree_bound": 64,
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"n_queries": 18,
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"proof_of_work_bits": 24,
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},
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"log_n_cosets": 4,
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},
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"use_extension_field": False,
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}
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print(json.dumps(out))
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