docs: add doc for rollup tx size constant

ethereum-optimism · Mar 27, 2021 · 3d37357 · 3d37357
1 parent 98892e8
commit 3d37357
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/core/rollup_fee.go b/core/rollup_fee.go
@@ -4,6 +4,9 @@ import (
 	"math/big"
 )
 
+/// ROLLUP_BASE_TX_SIZE is the encoded rollup transaction's compressed size excluding
+/// the variable length data.
+/// Ref: https://github.com/ethereum-optimism/contracts/blob/409f190518b90301db20d0d4f53760021bc203a8/contracts/optimistic-ethereum/OVM/precompiles/OVM_SequencerEntrypoint.sol#L47
 var ROLLUP_BASE_TX_SIZE int = 96
 
 /// CalculateFee calculates the fee that must be paid to the Rollup sequencer, taking into