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ScrollChain.t.sol
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// SPDX-License-Identifier: MIT
pragma solidity =0.8.24;
import {DSTestPlus} from "solmate/test/utils/DSTestPlus.sol";
import {ProxyAdmin} from "@openzeppelin/contracts/proxy/transparent/ProxyAdmin.sol";
import {ITransparentUpgradeableProxy, TransparentUpgradeableProxy} from "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
import {L1MessageQueue} from "../L1/rollup/L1MessageQueue.sol";
import {ScrollChain, IScrollChain} from "../L1/rollup/ScrollChain.sol";
import {BatchHeaderV0Codec} from "../libraries/codec/BatchHeaderV0Codec.sol";
import {ChunkCodecV0} from "../libraries/codec/ChunkCodecV0.sol";
import {EmptyContract} from "../misc/EmptyContract.sol";
import {MockRollupVerifier} from "./mocks/MockRollupVerifier.sol";
// solhint-disable no-inline-assembly
contract ScrollChainTest is DSTestPlus {
// from ScrollChain
event UpdateSequencer(address indexed account, bool status);
event UpdateProver(address indexed account, bool status);
event UpdateMaxNumTxInChunk(uint256 oldMaxNumTxInChunk, uint256 newMaxNumTxInChunk);
event CommitBatch(uint256 indexed batchIndex, bytes32 indexed batchHash);
event FinalizeBatch(uint256 indexed batchIndex, bytes32 indexed batchHash, bytes32 stateRoot, bytes32 withdrawRoot);
event RevertBatch(uint256 indexed batchIndex, bytes32 indexed batchHash);
ProxyAdmin internal admin;
EmptyContract private placeholder;
ScrollChain private rollup;
L1MessageQueue internal messageQueue;
MockRollupVerifier internal verifier;
function setUp() public {
placeholder = new EmptyContract();
admin = new ProxyAdmin();
messageQueue = L1MessageQueue(_deployProxy(address(0)));
rollup = ScrollChain(_deployProxy(address(0)));
verifier = new MockRollupVerifier();
// Upgrade the L1MessageQueue implementation and initialize
admin.upgrade(
ITransparentUpgradeableProxy(address(messageQueue)),
address(new L1MessageQueue(address(this), address(rollup), address(1)))
);
messageQueue.initialize(address(this), address(rollup), address(0), address(0), 10000000);
// Upgrade the ScrollChain implementation and initialize
admin.upgrade(
ITransparentUpgradeableProxy(address(rollup)),
address(new ScrollChain(233, address(messageQueue), address(verifier)))
);
rollup.initialize(address(messageQueue), address(verifier), 100);
}
function testInitialized() external {
assertEq(address(this), rollup.owner());
assertEq(rollup.layer2ChainId(), 233);
hevm.expectRevert("Initializable: contract is already initialized");
rollup.initialize(address(messageQueue), address(0), 100);
}
function testCommitBatchV0() external {
bytes memory batchHeader0 = new bytes(89);
// import 10 L1 messages
for (uint256 i = 0; i < 10; i++) {
messageQueue.appendCrossDomainMessage(address(this), 1000000, new bytes(0));
}
// import genesis batch first
assembly {
mstore(add(batchHeader0, add(0x20, 25)), 1)
}
rollup.importGenesisBatch(batchHeader0, bytes32(uint256(1)));
// caller not sequencer, revert
hevm.expectRevert(ScrollChain.ErrorCallerIsNotSequencer.selector);
rollup.commitBatch(0, batchHeader0, new bytes[](0), new bytes(0));
rollup.addSequencer(address(0));
// batch is empty, revert
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorBatchIsEmpty.selector);
rollup.commitBatch(0, batchHeader0, new bytes[](0), new bytes(0));
hevm.stopPrank();
// invalid version, revert
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorInvalidBatchHeaderVersion.selector);
rollup.commitBatch(2, batchHeader0, new bytes[](1), new bytes(0));
hevm.stopPrank();
// batch header length too small, revert
hevm.startPrank(address(0));
hevm.expectRevert(BatchHeaderV0Codec.ErrorBatchHeaderLengthTooSmall.selector);
rollup.commitBatch(0, new bytes(88), new bytes[](1), new bytes(0));
hevm.stopPrank();
// wrong bitmap length, revert
hevm.startPrank(address(0));
hevm.expectRevert(BatchHeaderV0Codec.ErrorIncorrectBitmapLength.selector);
rollup.commitBatch(0, new bytes(90), new bytes[](1), new bytes(0));
hevm.stopPrank();
// incorrect parent batch hash, revert
assembly {
mstore(add(batchHeader0, add(0x20, 25)), 2) // change data hash for batch0
}
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorIncorrectBatchHash.selector);
rollup.commitBatch(0, batchHeader0, new bytes[](1), new bytes(0));
hevm.stopPrank();
assembly {
mstore(add(batchHeader0, add(0x20, 25)), 1) // change back
}
bytes[] memory chunks = new bytes[](1);
bytes memory chunk0;
// no block in chunk, revert
chunk0 = new bytes(1);
chunks[0] = chunk0;
hevm.startPrank(address(0));
hevm.expectRevert(ChunkCodecV0.ErrorNoBlockInChunk.selector);
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
// invalid chunk length, revert
chunk0 = new bytes(1);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunks[0] = chunk0;
hevm.startPrank(address(0));
hevm.expectRevert(ChunkCodecV0.ErrorIncorrectChunkLength.selector);
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
// cannot skip last L1 message, revert
chunk0 = new bytes(1 + 60);
bytes memory bitmap = new bytes(32);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunk0[58] = bytes1(uint8(1)); // numTransactions = 1
chunk0[60] = bytes1(uint8(1)); // numL1Messages = 1
bitmap[31] = bytes1(uint8(1));
chunks[0] = chunk0;
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorLastL1MessageSkipped.selector);
rollup.commitBatch(0, batchHeader0, chunks, bitmap);
hevm.stopPrank();
// num txs less than num L1 msgs, revert
chunk0 = new bytes(1 + 60);
bitmap = new bytes(32);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunk0[58] = bytes1(uint8(1)); // numTransactions = 1
chunk0[60] = bytes1(uint8(3)); // numL1Messages = 3
bitmap[31] = bytes1(uint8(3));
chunks[0] = chunk0;
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorNumTxsLessThanNumL1Msgs.selector);
rollup.commitBatch(0, batchHeader0, chunks, bitmap);
hevm.stopPrank();
// incomplete l2 transaction data, revert
chunk0 = new bytes(1 + 60 + 1);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunks[0] = chunk0;
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorIncompleteL2TransactionData.selector);
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
// commit batch with one chunk, no tx, correctly
chunk0 = new bytes(1 + 60);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunks[0] = chunk0;
hevm.startPrank(address(0));
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
assertGt(uint256(rollup.committedBatches(1)), 0);
// batch is already committed, revert
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorBatchIsAlreadyCommitted.selector);
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
}
function testFinalizeBatchWithProofV0() external {
// caller not prover, revert
hevm.expectRevert(ScrollChain.ErrorCallerIsNotProver.selector);
rollup.finalizeBatchWithProof(new bytes(0), bytes32(0), bytes32(0), bytes32(0), new bytes(0));
rollup.addProver(address(0));
rollup.addSequencer(address(0));
bytes memory batchHeader0 = new bytes(89);
// import genesis batch
assembly {
mstore(add(batchHeader0, add(0x20, 25)), 1)
}
rollup.importGenesisBatch(batchHeader0, bytes32(uint256(1)));
bytes32 batchHash0 = rollup.committedBatches(0);
bytes[] memory chunks = new bytes[](1);
bytes memory chunk0;
// commit one batch
chunk0 = new bytes(1 + 60);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunks[0] = chunk0;
hevm.startPrank(address(0));
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
assertGt(uint256(rollup.committedBatches(1)), 0);
bytes memory batchHeader1 = new bytes(89);
assembly {
mstore(add(batchHeader1, 0x20), 0) // version
mstore(add(batchHeader1, add(0x20, 1)), shl(192, 1)) // batchIndex
mstore(add(batchHeader1, add(0x20, 9)), 0) // l1MessagePopped
mstore(add(batchHeader1, add(0x20, 17)), 0) // totalL1MessagePopped
mstore(add(batchHeader1, add(0x20, 25)), 0x246394445f4fe64ed5598554d55d1682d6fb3fe04bf58eb54ef81d1189fafb51) // dataHash
mstore(add(batchHeader1, add(0x20, 57)), batchHash0) // parentBatchHash
}
// incorrect batch hash, revert
batchHeader1[1] = bytes1(uint8(1)); // change random byte
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorIncorrectBatchHash.selector);
rollup.finalizeBatchWithProof(batchHeader1, bytes32(uint256(1)), bytes32(uint256(2)), bytes32(0), new bytes(0));
hevm.stopPrank();
batchHeader1[1] = bytes1(uint8(0)); // change back
// batch header length too small, revert
hevm.startPrank(address(0));
hevm.expectRevert(BatchHeaderV0Codec.ErrorBatchHeaderLengthTooSmall.selector);
rollup.finalizeBatchWithProof(
new bytes(88),
bytes32(uint256(1)),
bytes32(uint256(2)),
bytes32(0),
new bytes(0)
);
hevm.stopPrank();
// wrong bitmap length, revert
hevm.startPrank(address(0));
hevm.expectRevert(BatchHeaderV0Codec.ErrorIncorrectBitmapLength.selector);
rollup.finalizeBatchWithProof(
new bytes(90),
bytes32(uint256(1)),
bytes32(uint256(2)),
bytes32(0),
new bytes(0)
);
hevm.stopPrank();
// incorrect previous state root, revert
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorIncorrectPreviousStateRoot.selector);
rollup.finalizeBatchWithProof(batchHeader1, bytes32(uint256(2)), bytes32(uint256(2)), bytes32(0), new bytes(0));
hevm.stopPrank();
// verify success
assertBoolEq(rollup.isBatchFinalized(1), false);
hevm.startPrank(address(0));
rollup.finalizeBatchWithProof(
batchHeader1,
bytes32(uint256(1)),
bytes32(uint256(2)),
bytes32(uint256(3)),
new bytes(0)
);
hevm.stopPrank();
assertBoolEq(rollup.isBatchFinalized(1), true);
assertEq(rollup.finalizedStateRoots(1), bytes32(uint256(2)));
assertEq(rollup.withdrawRoots(1), bytes32(uint256(3)));
assertEq(rollup.lastFinalizedBatchIndex(), 1);
// batch already verified, revert
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorBatchIsAlreadyVerified.selector);
rollup.finalizeBatchWithProof(
batchHeader1,
bytes32(uint256(1)),
bytes32(uint256(2)),
bytes32(uint256(3)),
new bytes(0)
);
hevm.stopPrank();
}
function testCommitAndFinalizeWithL1MessagesV0() external {
rollup.addSequencer(address(0));
rollup.addProver(address(0));
// import 300 L1 messages
for (uint256 i = 0; i < 300; i++) {
messageQueue.appendCrossDomainMessage(address(this), 1000000, new bytes(0));
}
// import genesis batch first
bytes memory batchHeader0 = new bytes(89);
assembly {
mstore(add(batchHeader0, add(0x20, 25)), 1)
}
rollup.importGenesisBatch(batchHeader0, bytes32(uint256(1)));
bytes32 batchHash0 = rollup.committedBatches(0);
bytes memory bitmap;
bytes[] memory chunks;
bytes memory chunk0;
bytes memory chunk1;
// commit batch1, one chunk with one block, 1 tx, 1 L1 message, no skip
// => payload for data hash of chunk0
// 0000000000000000
// 0000000000000000
// 0000000000000000000000000000000000000000000000000000000000000000
// 0000000000000000
// 0001
// a2277fd30bbbe74323309023b56035b376d7768ad237ae4fc46ead7dc9591ae1
// => data hash for chunk0
// 9ef1e5694bdb014a1eea42be756a8f63bfd8781d6332e9ef3b5126d90c62f110
// => data hash for all chunks
// d9cb6bf9264006fcea490d5c261f7453ab95b1b26033a3805996791b8e3a62f3
// => payload for batch header
// 00
// 0000000000000001
// 0000000000000001
// 0000000000000001
// d9cb6bf9264006fcea490d5c261f7453ab95b1b26033a3805996791b8e3a62f3
// 119b828c2a2798d2c957228ebeaff7e10bb099ae0d4e224f3eeb779ff61cba61
// 0000000000000000000000000000000000000000000000000000000000000000
// => hash for batch header
// 00847173b29b238cf319cde79512b7c213e5a8b4138daa7051914c4592b6dfc7
bytes memory batchHeader1 = new bytes(89 + 32);
assembly {
mstore(add(batchHeader1, 0x20), 0) // version
mstore(add(batchHeader1, add(0x20, 1)), shl(192, 1)) // batchIndex = 1
mstore(add(batchHeader1, add(0x20, 9)), shl(192, 1)) // l1MessagePopped = 1
mstore(add(batchHeader1, add(0x20, 17)), shl(192, 1)) // totalL1MessagePopped = 1
mstore(add(batchHeader1, add(0x20, 25)), 0xd9cb6bf9264006fcea490d5c261f7453ab95b1b26033a3805996791b8e3a62f3) // dataHash
mstore(add(batchHeader1, add(0x20, 57)), batchHash0) // parentBatchHash
mstore(add(batchHeader1, add(0x20, 89)), 0) // bitmap0
}
chunk0 = new bytes(1 + 60);
assembly {
mstore(add(chunk0, 0x20), shl(248, 1)) // numBlocks = 1
mstore(add(chunk0, add(0x21, 56)), shl(240, 1)) // numTransactions = 1
mstore(add(chunk0, add(0x21, 58)), shl(240, 1)) // numL1Messages = 1
}
chunks = new bytes[](1);
chunks[0] = chunk0;
bitmap = new bytes(32);
hevm.startPrank(address(0));
hevm.expectEmit(true, true, false, true);
emit CommitBatch(1, bytes32(0x00847173b29b238cf319cde79512b7c213e5a8b4138daa7051914c4592b6dfc7));
rollup.commitBatch(0, batchHeader0, chunks, bitmap);
hevm.stopPrank();
assertBoolEq(rollup.isBatchFinalized(1), false);
bytes32 batchHash1 = rollup.committedBatches(1);
assertEq(batchHash1, bytes32(0x00847173b29b238cf319cde79512b7c213e5a8b4138daa7051914c4592b6dfc7));
// finalize batch1
hevm.startPrank(address(0));
hevm.expectEmit(true, true, false, true);
emit FinalizeBatch(1, batchHash1, bytes32(uint256(2)), bytes32(uint256(3)));
rollup.finalizeBatchWithProof(
batchHeader1,
bytes32(uint256(1)),
bytes32(uint256(2)),
bytes32(uint256(3)),
new bytes(0)
);
hevm.stopPrank();
assertBoolEq(rollup.isBatchFinalized(1), true);
assertEq(rollup.finalizedStateRoots(1), bytes32(uint256(2)));
assertEq(rollup.withdrawRoots(1), bytes32(uint256(3)));
assertEq(rollup.lastFinalizedBatchIndex(), 1);
assertBoolEq(messageQueue.isMessageSkipped(0), false);
assertEq(messageQueue.pendingQueueIndex(), 1);
// commit batch2 with two chunks, correctly
// 1. chunk0 has one block, 3 tx, no L1 messages
// => payload for chunk0
// 0000000000000000
// 0000000000000000
// 0000000000000000000000000000000000000000000000000000000000000000
// 0000000000000000
// 0003
// ... (some tx hashes)
// => data hash for chunk0
// 2ac1dad3f3696e5581dfc10f2c7a7a8fc5b344285f7d332c7895a8825fca609a
// 2. chunk1 has three blocks
// 2.1 block0 has 5 tx, 3 L1 messages, no skips
// 2.2 block1 has 10 tx, 5 L1 messages, even is skipped, last is not skipped
// 2.2 block1 has 300 tx, 256 L1 messages, odd position is skipped, last is not skipped
// => payload for chunk1
// 0000000000000000
// 0000000000000000
// 0000000000000000000000000000000000000000000000000000000000000000
// 0000000000000000
// 0005
// 0000000000000000
// 0000000000000000
// 0000000000000000000000000000000000000000000000000000000000000000
// 0000000000000000
// 000a
// 0000000000000000
// 0000000000000000
// 0000000000000000000000000000000000000000000000000000000000000000
// 0000000000000000
// 012c
// ... (some tx hashes)
// => data hash for chunk2
// e1276f58354ab2372050bde30d8c970ccc3728c76e97f37deebeee83ecbf5705
// => data hash for all chunks
// 3c71d155351642d15f1542a1543ce423abeca1f8939100a0a34cdc3127b95f69
// => payload for batch header
// 00
// 0000000000000002
// 0000000000000108
// 0000000000000109
// 3c71d155351642d15f1542a1543ce423abeca1f8939100a0a34cdc3127b95f69
// cef70bf80683c4d9b8b2813e90c314e8c56648e231300b8cfed9d666b0caf14e
// aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa800000000000000000000000000000000000000000000000000000000000000aa
// => hash for batch header
// 03a9cdcb9d582251acf60937db006ec99f3505fd4751b7c1f92c9a8ef413e873
bytes memory batchHeader2 = new bytes(89 + 32 + 32);
assembly {
mstore(add(batchHeader2, 0x20), 0) // version
mstore(add(batchHeader2, add(0x20, 1)), shl(192, 2)) // batchIndex = 2
mstore(add(batchHeader2, add(0x20, 9)), shl(192, 264)) // l1MessagePopped = 264
mstore(add(batchHeader2, add(0x20, 17)), shl(192, 265)) // totalL1MessagePopped = 265
mstore(add(batchHeader2, add(0x20, 25)), 0x3c71d155351642d15f1542a1543ce423abeca1f8939100a0a34cdc3127b95f69) // dataHash
mstore(add(batchHeader2, add(0x20, 57)), batchHash1) // parentBatchHash
mstore(
add(batchHeader2, add(0x20, 89)),
77194726158210796949047323339125271902179989777093709359638389338608753093160
) // bitmap0
mstore(add(batchHeader2, add(0x20, 121)), 42) // bitmap1
}
chunk0 = new bytes(1 + 60 + 3 * 5);
assembly {
mstore(add(chunk0, 0x20), shl(248, 1)) // numBlocks = 1
mstore(add(chunk0, add(0x21, 56)), shl(240, 3)) // numTransactions = 3
mstore(add(chunk0, add(0x21, 58)), shl(240, 0)) // numL1Messages = 0
}
for (uint256 i = 0; i < 3; i++) {
assembly {
mstore(add(chunk0, add(93, mul(i, 5))), shl(224, 1)) // tx = "0x00"
}
}
chunk1 = new bytes(1 + 60 * 3 + 51 * 5);
assembly {
mstore(add(chunk1, 0x20), shl(248, 3)) // numBlocks = 3
mstore(add(chunk1, add(33, 56)), shl(240, 5)) // block0.numTransactions = 5
mstore(add(chunk1, add(33, 58)), shl(240, 3)) // block0.numL1Messages = 3
mstore(add(chunk1, add(93, 56)), shl(240, 10)) // block1.numTransactions = 10
mstore(add(chunk1, add(93, 58)), shl(240, 5)) // block1.numL1Messages = 5
mstore(add(chunk1, add(153, 56)), shl(240, 300)) // block1.numTransactions = 300
mstore(add(chunk1, add(153, 58)), shl(240, 256)) // block1.numL1Messages = 256
}
for (uint256 i = 0; i < 51; i++) {
assembly {
mstore(add(chunk1, add(213, mul(i, 5))), shl(224, 1)) // tx = "0x00"
}
}
chunks = new bytes[](2);
chunks[0] = chunk0;
chunks[1] = chunk1;
bitmap = new bytes(64);
assembly {
mstore(
add(bitmap, add(0x20, 0)),
77194726158210796949047323339125271902179989777093709359638389338608753093160
) // bitmap0
mstore(add(bitmap, add(0x20, 32)), 42) // bitmap1
}
// too many txs in one chunk, revert
rollup.updateMaxNumTxInChunk(2); // 3 - 1
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorTooManyTxsInOneChunk.selector);
rollup.commitBatch(0, batchHeader1, chunks, bitmap); // first chunk with too many txs
hevm.stopPrank();
rollup.updateMaxNumTxInChunk(185); // 5+10+300 - 2 - 127
hevm.startPrank(address(0));
hevm.expectRevert(ScrollChain.ErrorTooManyTxsInOneChunk.selector);
rollup.commitBatch(0, batchHeader1, chunks, bitmap); // second chunk with too many txs
hevm.stopPrank();
rollup.updateMaxNumTxInChunk(186);
hevm.startPrank(address(0));
hevm.expectEmit(true, true, false, true);
emit CommitBatch(2, bytes32(0x03a9cdcb9d582251acf60937db006ec99f3505fd4751b7c1f92c9a8ef413e873));
rollup.commitBatch(0, batchHeader1, chunks, bitmap);
hevm.stopPrank();
assertBoolEq(rollup.isBatchFinalized(2), false);
bytes32 batchHash2 = rollup.committedBatches(2);
assertEq(batchHash2, bytes32(0x03a9cdcb9d582251acf60937db006ec99f3505fd4751b7c1f92c9a8ef413e873));
// verify committed batch correctly
hevm.startPrank(address(0));
hevm.expectEmit(true, true, false, true);
emit FinalizeBatch(2, batchHash2, bytes32(uint256(4)), bytes32(uint256(5)));
rollup.finalizeBatchWithProof(
batchHeader2,
bytes32(uint256(2)),
bytes32(uint256(4)),
bytes32(uint256(5)),
new bytes(0)
);
hevm.stopPrank();
assertBoolEq(rollup.isBatchFinalized(2), true);
assertEq(rollup.finalizedStateRoots(2), bytes32(uint256(4)));
assertEq(rollup.withdrawRoots(2), bytes32(uint256(5)));
assertEq(rollup.lastFinalizedBatchIndex(), 2);
assertEq(messageQueue.pendingQueueIndex(), 265);
// 1 ~ 4, zero
for (uint256 i = 1; i < 4; i++) {
assertBoolEq(messageQueue.isMessageSkipped(i), false);
}
// 4 ~ 9, even is nonzero, odd is zero
for (uint256 i = 4; i < 9; i++) {
if (i % 2 == 1 || i == 8) {
assertBoolEq(messageQueue.isMessageSkipped(i), false);
} else {
assertBoolEq(messageQueue.isMessageSkipped(i), true);
}
}
// 9 ~ 265, even is nonzero, odd is zero
for (uint256 i = 9; i < 265; i++) {
if (i % 2 == 1 || i == 264) {
assertBoolEq(messageQueue.isMessageSkipped(i), false);
} else {
assertBoolEq(messageQueue.isMessageSkipped(i), true);
}
}
}
function testRevertBatch() external {
// caller not owner, revert
hevm.startPrank(address(1));
hevm.expectRevert("Ownable: caller is not the owner");
rollup.revertBatch(new bytes(89), 1);
hevm.stopPrank();
rollup.addSequencer(address(0));
bytes memory batchHeader0 = new bytes(89);
// import genesis batch
assembly {
mstore(add(batchHeader0, add(0x20, 25)), 1)
}
rollup.importGenesisBatch(batchHeader0, bytes32(uint256(1)));
bytes32 batchHash0 = rollup.committedBatches(0);
bytes[] memory chunks = new bytes[](1);
bytes memory chunk0;
// commit one batch
chunk0 = new bytes(1 + 60);
chunk0[0] = bytes1(uint8(1)); // one block in this chunk
chunks[0] = chunk0;
hevm.startPrank(address(0));
rollup.commitBatch(0, batchHeader0, chunks, new bytes(0));
hevm.stopPrank();
bytes memory batchHeader1 = new bytes(89);
assembly {
mstore(add(batchHeader1, 0x20), 0) // version
mstore(add(batchHeader1, add(0x20, 1)), shl(192, 1)) // batchIndex
mstore(add(batchHeader1, add(0x20, 9)), 0) // l1MessagePopped
mstore(add(batchHeader1, add(0x20, 17)), 0) // totalL1MessagePopped
mstore(add(batchHeader1, add(0x20, 25)), 0x246394445f4fe64ed5598554d55d1682d6fb3fe04bf58eb54ef81d1189fafb51) // dataHash
mstore(add(batchHeader1, add(0x20, 57)), batchHash0) // parentBatchHash
}
// commit another batch
hevm.startPrank(address(0));
rollup.commitBatch(0, batchHeader1, chunks, new bytes(0));
hevm.stopPrank();
// count must be nonzero, revert
hevm.expectRevert(ScrollChain.ErrorRevertZeroBatches.selector);
rollup.revertBatch(batchHeader0, 0);
// incorrect batch hash, revert
hevm.expectRevert(ScrollChain.ErrorIncorrectBatchHash.selector);
batchHeader1[1] = bytes1(uint8(1)); // change random byte
rollup.revertBatch(batchHeader1, 1);
batchHeader1[1] = bytes1(uint8(0)); // change back
// revert middle batch, revert
hevm.expectRevert(ScrollChain.ErrorRevertNotStartFromEnd.selector);
rollup.revertBatch(batchHeader1, 1);
// can only revert unfinalized batch, revert
hevm.expectRevert(ScrollChain.ErrorRevertFinalizedBatch.selector);
rollup.revertBatch(batchHeader0, 3);
// succeed to revert next two pending batches.
hevm.expectEmit(true, true, false, true);
emit RevertBatch(1, rollup.committedBatches(1));
hevm.expectEmit(true, true, false, true);
emit RevertBatch(2, rollup.committedBatches(2));
assertGt(uint256(rollup.committedBatches(1)), 0);
assertGt(uint256(rollup.committedBatches(2)), 0);
rollup.revertBatch(batchHeader1, 2);
assertEq(uint256(rollup.committedBatches(1)), 0);
assertEq(uint256(rollup.committedBatches(2)), 0);
}
function testAddAndRemoveSequencer(address _sequencer) external {
// set by non-owner, should revert
hevm.startPrank(address(1));
hevm.expectRevert("Ownable: caller is not the owner");
rollup.addSequencer(_sequencer);
hevm.expectRevert("Ownable: caller is not the owner");
rollup.removeSequencer(_sequencer);
hevm.stopPrank();
hevm.expectRevert(ScrollChain.ErrorAccountIsNotEOA.selector);
rollup.addSequencer(address(this));
hevm.assume(_sequencer.code.length == 0);
// change to random EOA operator
hevm.expectEmit(true, false, false, true);
emit UpdateSequencer(_sequencer, true);
assertBoolEq(rollup.isSequencer(_sequencer), false);
rollup.addSequencer(_sequencer);
assertBoolEq(rollup.isSequencer(_sequencer), true);
hevm.expectEmit(true, false, false, true);
emit UpdateSequencer(_sequencer, false);
rollup.removeSequencer(_sequencer);
assertBoolEq(rollup.isSequencer(_sequencer), false);
}
function testAddAndRemoveProver(address _prover) external {
// set by non-owner, should revert
hevm.startPrank(address(1));
hevm.expectRevert("Ownable: caller is not the owner");
rollup.addProver(_prover);
hevm.expectRevert("Ownable: caller is not the owner");
rollup.removeProver(_prover);
hevm.stopPrank();
hevm.expectRevert(ScrollChain.ErrorAccountIsNotEOA.selector);
rollup.addProver(address(this));
hevm.assume(_prover.code.length == 0);
// change to random EOA operator
hevm.expectEmit(true, false, false, true);
emit UpdateProver(_prover, true);
assertBoolEq(rollup.isProver(_prover), false);
rollup.addProver(_prover);
assertBoolEq(rollup.isProver(_prover), true);
hevm.expectEmit(true, false, false, true);
emit UpdateProver(_prover, false);
rollup.removeProver(_prover);
assertBoolEq(rollup.isProver(_prover), false);
}
function testSetPause() external {
rollup.addSequencer(address(0));
rollup.addProver(address(0));
// not owner, revert
hevm.startPrank(address(1));
hevm.expectRevert("Ownable: caller is not the owner");
rollup.setPause(false);
hevm.stopPrank();
// pause
rollup.setPause(true);
assertBoolEq(true, rollup.paused());
hevm.startPrank(address(0));
hevm.expectRevert("Pausable: paused");
rollup.commitBatch(0, new bytes(0), new bytes[](0), new bytes(0));
hevm.expectRevert("Pausable: paused");
rollup.finalizeBatchWithProof(new bytes(0), bytes32(0), bytes32(0), bytes32(0), new bytes(0));
hevm.stopPrank();
// unpause
rollup.setPause(false);
assertBoolEq(false, rollup.paused());
}
function testUpdateMaxNumTxInChunk(uint256 _maxNumTxInChunk) external {
// set by non-owner, should revert
hevm.startPrank(address(1));
hevm.expectRevert("Ownable: caller is not the owner");
rollup.updateMaxNumTxInChunk(_maxNumTxInChunk);
hevm.stopPrank();
// change to random operator
hevm.expectEmit(false, false, false, true);
emit UpdateMaxNumTxInChunk(100, _maxNumTxInChunk);
assertEq(rollup.maxNumTxInChunk(), 100);
rollup.updateMaxNumTxInChunk(_maxNumTxInChunk);
assertEq(rollup.maxNumTxInChunk(), _maxNumTxInChunk);
}
function testImportGenesisBlock() external {
bytes memory batchHeader;
// zero state root, revert
batchHeader = new bytes(89);
hevm.expectRevert(ScrollChain.ErrorStateRootIsZero.selector);
rollup.importGenesisBatch(batchHeader, bytes32(0));
// batch header length too small, revert
batchHeader = new bytes(88);
hevm.expectRevert(BatchHeaderV0Codec.ErrorBatchHeaderLengthTooSmall.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
// wrong bitmap length, revert
batchHeader = new bytes(90);
hevm.expectRevert(BatchHeaderV0Codec.ErrorIncorrectBitmapLength.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
// not all fields are zero, revert
batchHeader = new bytes(121);
batchHeader[0] = bytes1(uint8(1)); // version not zero
hevm.expectRevert(ScrollChain.ErrorGenesisBatchHasNonZeroField.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
batchHeader = new bytes(89);
batchHeader[1] = bytes1(uint8(1)); // batchIndex not zero
hevm.expectRevert(ScrollChain.ErrorGenesisBatchHasNonZeroField.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
batchHeader = new bytes(89 + 32);
assembly {
mstore(add(batchHeader, add(0x20, 9)), shl(192, 1)) // l1MessagePopped not zero
}
hevm.expectRevert(ScrollChain.ErrorGenesisBatchHasNonZeroField.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
batchHeader = new bytes(89);
batchHeader[17] = bytes1(uint8(1)); // totalL1MessagePopped not zero
hevm.expectRevert(ScrollChain.ErrorGenesisBatchHasNonZeroField.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
// zero data hash, revert
batchHeader = new bytes(89);
hevm.expectRevert(ScrollChain.ErrorGenesisDataHashIsZero.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
// nonzero parent batch hash, revert
batchHeader = new bytes(89);
batchHeader[25] = bytes1(uint8(1)); // dataHash not zero
batchHeader[57] = bytes1(uint8(1)); // parentBatchHash not zero
hevm.expectRevert(ScrollChain.ErrorGenesisParentBatchHashIsNonZero.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
// import correctly
batchHeader = new bytes(89);
batchHeader[25] = bytes1(uint8(1)); // dataHash not zero
assertEq(rollup.finalizedStateRoots(0), bytes32(0));
assertEq(rollup.withdrawRoots(0), bytes32(0));
assertEq(rollup.committedBatches(0), bytes32(0));
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
assertEq(rollup.finalizedStateRoots(0), bytes32(uint256(1)));
assertEq(rollup.withdrawRoots(0), bytes32(0));
assertGt(uint256(rollup.committedBatches(0)), 0);
// Genesis batch imported, revert
hevm.expectRevert(ScrollChain.ErrorGenesisBatchImported.selector);
rollup.importGenesisBatch(batchHeader, bytes32(uint256(1)));
}
function _deployProxy(address _logic) internal returns (address) {
if (_logic == address(0)) _logic = address(placeholder);
TransparentUpgradeableProxy proxy = new TransparentUpgradeableProxy(_logic, address(admin), new bytes(0));
return address(proxy);
}
}