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Adding lemmas about EVM state and addresses #7
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lemma top_lt_UInt256_size : top < UInt256.size := by decide | ||
lemma top_le_UInt256_size : top ≤ UInt256.size := le_of_lt top_lt_UInt256_size | ||
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lemma ofUInt256_lt_UInt256_size {u : UInt256} : ↑(ofUInt256 u) < UInt256.size := by |
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Shorted version that doesn't use open simp
s:
lemma ofUInt256_lt_UInt256_size {u : UInt256} : ↑(ofUInt256 u) < UInt256.size := by
unfold ofUInt256 Fin.ofNat
trans (2 ^ 160) <;>
simp only [UInt256.size, Nat.reducePow, Nat.reduceAdd, gt_iff_lt, Nat.ofNat_pos, Nat.mod_lt, Nat.reduceLT]
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In general, we have a strong preference for only using open simp
s as a closing tactic.
@jkopanski asked me to make a series of pull requests (#6 #7 #8 #9) bringing in work from the
erc20
branch that is applicable more generally. This one adds lemmas about the EVM state and addresses.All except #9 should be able to be merged in any order.
I have tested that
lake build
succeeds.