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Last active February 28, 2021 12:33
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bug.md 
  +--x1--x2--x3   IN_DB
 /
o
 \
  +--y1--y2--y3  PROCESSING

y2 & x2 contains EVM exec with BLOCKHASH(N - 1). Returned hash in both y and x chain refer to x1 hash instead of respective on chain parent.

This gives the following stack result:

Bugged X & Y

0: HASH_OF_X1

While it should have been

Fixed X

0: HASH_OF_X1

Fixed Y

0: HASH_OF_Y1
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