Skip to content

src/beacon_root: gas optimization #21

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 2 commits into from
Closed

src/beacon_root: gas optimization #21

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
19243e6
dropped `iszero`
lmittmann Sep 24, 2024
a575d85
dropped `stop`
lmittmann Sep 24, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 4 additions & 9 deletions src/beacon_root/main.eas
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -72,11 +72,12 @@ loadtime:
calldataload ;; [input_timestamp]
dup1 ;; [input_timestamp, input_timestamp]

;; Verify input timestamp is non-zero.
iszero ;; [input_timestamp == 0, input_timestamp]
push1 @throw ;; [throw_lbl, input_timestamp == 0, input_timestamp]
;; Jump to continue if timestamp is non-zero, otherwise revert.
push1 @time_ok ;; [time_ok_lbl, input_timestamp, input_timestamp]
jumpi ;; [input_timestamp]
%do_revert() ;; []

time_ok:
;; Compute the timestamp index and load from storage.
push3 BUFLEN ;; [buflen, input_timestamp]
dup2 ;; [input_timestamp, buflen, input_timestamp]
Expand Down Expand Up @@ -108,10 +109,6 @@ loadroot:
push0 ;; [offset, size]
return ;; []

throw:
;; Reverts current execution with no return data.
%do_revert()

submit:
;; Calculate the index the timestamp should be stored at, e.g.
;; time_index = (time % buflen).
Expand All @@ -134,5 +131,3 @@ submit:
push3 BUFLEN ;; [buflen, time_index, root]
add ;; [root_index, root]
sstore ;; []

stop ;; []