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[Livepeer] fix: arbitrum fork test test_rebase #72

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Dec 15, 2023
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[Livepeer] fix: arbitrum fork test test_rebase #72

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19 changes: 10 additions & 9 deletions test/fork-tests/Livepeer.arbitrum.t.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -102,7 +102,7 @@ contract LivepeerForkTest is Test, TenderizerEvents, ERC721Receiver {
bytes32 salt = bytes32(uint256(1));
vm.createSelectFork(vm.envString("ARBITRUM_RPC"));
fixture = tenderizerFixture();
adapter = new LivepeerAdapter{salt: salt}();
adapter = new LivepeerAdapter{ salt: salt }();
fixture.registry.registerAdapter(address(LPT), address(adapter));
}

Expand Down Expand Up @@ -267,9 +267,9 @@ contract LivepeerForkTest is Test, TenderizerEvents, ERC721Receiver {
vm.roll(currentRoundStartBlock + roundLength);
ROUNDS.initializeRound();
Tenderizer(tenderizer).rebase();
assertEq(tenderizer.totalSupply(), depositAmount + quotedOut, "total supply");
assertEq(tenderizer.totalSupply(), depositAmount + quotedOut, "total supply fees only");
(uint256 bondedAmount,,,,,,) = BONDING.getDelegator(address(tenderizer));
assertEq(bondedAmount, depositAmount + quotedOut, "Bonded amount");
assertEq(bondedAmount, depositAmount + quotedOut, "Bonded amount fees only");

// Initialize next round
// Check LPT rewards only rebase
Expand All @@ -287,7 +287,7 @@ contract LivepeerForkTest is Test, TenderizerEvents, ERC721Receiver {
uint256 round = ROUNDS.currentRound();
(,,, uint256 crfAfter,) = BONDING.getTranscoderEarningsPoolForRound(ORCHESTRATOR_1, round);
uint256 expStake = bondedAmount * crfAfter / crfBefore;
assertEq(tenderizer.totalSupply(), expStake, "total supply");
assertEq(tenderizer.totalSupply(), expStake, "total supply rewards only");

// Initialize next round
currentRoundStartBlock = ROUNDS.currentRoundStartBlock();
Expand All @@ -306,9 +306,12 @@ contract LivepeerForkTest is Test, TenderizerEvents, ERC721Receiver {
BONDING.reward();
round = ROUNDS.currentRound();
(,,, crfAfter,) = BONDING.getTranscoderEarningsPoolForRound(ORCHESTRATOR_1, round);
expStake = expStake * crfAfter / crfBefore + quotedOut;
expStake = expStake * (crfAfter * 1e27 / crfBefore) / 1e27 + quotedOut - 1;
Tenderizer(tenderizer).rebase();
assertEq(tenderizer.totalSupply(), expStake, "total supply");
assertEq(
tenderizer.totalSupply(), BONDING.pendingStake(address(tenderizer), type(uint256).max), "total supply vs pending stake"
);
assertEq(tenderizer.totalSupply(), expStake, "total supply rewards & fees");
}

function updateTenderizerFees(address tenderizer, uint256 amount) internal {
Expand All @@ -321,9 +324,7 @@ contract LivepeerForkTest is Test, TenderizerEvents, ERC721Receiver {
uint256 orchStake = BONDING.transcoderTotalStake(orchestrator);
uint256 tenderizerStake = BONDING.pendingStake(tenderizer, round);

// amount = fees * feeShare / 1e6 * tenderizerStake / orchStake
// fees = amount * orchStake *1e6 / feeShare / tenderizerStake
uint256 fees = amount * orchStake * 1e6 / feeShare / tenderizerStake;
uint256 fees = amount * (orchStake * 1e6 / feeShare) / tenderizerStake;
vm.prank(TICKET_BROKER);
BONDING.updateTranscoderWithFees(orchestrator, fees, round);
vm.prank(MINTER);
Expand Down
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