Skip to content

feat(lazer): Update EVM Example and Test #46

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

Merged
merged 6 commits into from
Feb 3, 2025
Merged

feat(lazer): Update EVM Example and Test #46

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
921def0
Update example evm and js
darunrs Jan 30, 2025
5e38857
Not perfectly working test
darunrs Feb 3, 2025
cb3e44c
Update JS to use real time and make tests pass
darunrs Feb 3, 2025
e1167f8
Change js sdk version usage
darunrs Feb 3, 2025
a12ea3f
No change to js package json
darunrs Feb 3, 2025
ac15143
Use main branch crosschain
darunrs Feb 3, 2025
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
2 changes: 1 addition & 1 deletion lazer/evm/lib/pyth-crosschain
Open in desktop
Submodule pyth-crosschain updated 496 files
14 changes: 13 additions & 1 deletion lazer/evm/src/ExampleReceiver.sol
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@ contract ExampleReceiver {
PythLazer pythLazer;
uint64 public price;
uint64 public timestamp;
int16 public exponent;
uint16 public publisher_count;

constructor(address pythLazerAddress) {
pythLazer = PythLazer(pythLazerAddress);
Expand Down Expand Up @@ -43,7 +45,7 @@ contract ExampleReceiver {
uint64 _price;
(_price, pos) = PythLazerLib.parseFeedValueUint64(payload, pos);
console.log("price %d", _price);
if (feedId == 2 && _timestamp > timestamp) {
if (feedId == 6 && _timestamp > timestamp) {
price = _price;
timestamp = _timestamp;
}
Expand All @@ -55,6 +57,16 @@ contract ExampleReceiver {
uint64 _price;
(_price, pos) = PythLazerLib.parseFeedValueUint64(payload, pos);
console.log("best ask price %d", _price);
} else if (property == PythLazerLib.PriceFeedProperty.Exponent) {
int16 _exponent;
(_exponent, pos) = PythLazerLib.parseFeedValueInt16(payload, pos);
console.log("exponent %d", _exponent);
exponent = _exponent;
} else if (property == PythLazerLib.PriceFeedProperty.PublisherCount) {
uint16 _publisher_count;
(_publisher_count, pos) = PythLazerLib.parseFeedValueUint16(payload, pos);
console.log("publisher count %d", _publisher_count);
publisher_count = _publisher_count;
} else {
revert("unknown property");
}
Expand Down
8 changes: 5 additions & 3 deletions lazer/evm/test/ExampleReceiver.t.sol
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ contract ExampleReceiverTest is Test {
function setUp() public {}

function test_1() public {
address trustedSigner = 0xEfEf56cD66896f6799A90A4e4d512C330c094e44;
address trustedSigner = 0xb8d50f0bAE75BF6E03c104903d7C3aFc4a6596Da;
console.log("trustedSigner %s", trustedSigner);

address lazer = makeAddr("lazer");
Expand All @@ -25,14 +25,16 @@ contract ExampleReceiverTest is Test {

ExampleReceiver receiver = new ExampleReceiver(address(pythLazer));
bytes memory update =
hex"2a22999a577d3cc0202197939d736bc0dcf71b9dde7b9470e4d16fa8e2120c0787a1c0d744d0c39cc372af4d1ecf2d09e84160ca905f3f597d20e2eec144a446a0459ad600001c93c7d3750006240af373971c01010000000201000000000005f5e100";
hex"2a22999a9ee4e2a3df5affd0ad8c7c46c96d3b5ef197dd653bedd8f44a4b6b69b767fbc66341e80b80acb09ead98c60d169b9a99657ebada101f447378f227bffbc69d3d01003493c7d37500062cf28659c1e801010000000605000000000005f5e10002000000000000000001000000000000000003000104fff8";
console.logBytes(update);

vm.prank(consumer);
receiver.updatePrice{value: 5 * fee}(update);

assertEq(receiver.timestamp(), 1738270008001000);
assertEq(receiver.price(), 100000000);
assertEq(receiver.timestamp(), 1728479312975644);
assertEq(receiver.exponent(), -8);
assertEq(receiver.publisher_count(), 1);

assertEq(address(pythLazer).balance, fee);
assertEq(address(receiver).balance, 0);
Expand Down