Add EIP: BURN opcode

[itsdevbear]

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[eth-bot]

✅ All reviewers have approved.

[github-actions]

The commit 0357fed (as a parent of 3b67b29) contains errors.
Please inspect the Run Summary for details.

[jochem-brouwer]

0 is also too low, also for a no-op. A no-op JUMPDEST costs 1 gas. Also note we have to pop one item from stack here. 3 would be reasonable here (same as the EQ operator, which pops two items and compares those)

[itsdevbear]

This is just the dynamic cost. The min cost of the opcode is always 100, should I add another 3 gas on this case?

[itsdevbear]

@jochem-brouwer thoughts?

[jochem-brouwer]

The base cost is too low, see: #8914 (comment)

[jochem-brouwer]

Or wait, maybe dynamic should be made higher if the target is cold. The cost is too low for cold accounts.

[itsdevbear]

@jochem-brouwer I think the dyn can be 0 if account is cold, since we can short circuit on balance. Updated to reflect. LMK what u think.

[eth-bot]

All Reviewers Have Approved; Performing Automatic Merge...