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feat(protocol): update LibBlockHeader to hash post Shanghai fork blocks #13278

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merged 2 commits into from
Mar 9, 2023
Merged

feat(protocol): update LibBlockHeader to hash post Shanghai fork blocks #13278

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b6bda65
feat(protocol): update `LibBlockHeader` to hash post Shanghai fork bl…
davidtaikocha Mar 9, 2023
0c871f9
fix(protocol): integration test (#13279)
d1onys1us Mar 9, 2023
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20 changes: 14 additions & 6 deletions packages/protocol/contracts/libs/LibBlockHeader.sol
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@ struct BlockHeader {
bytes32 mixHash;
uint64 nonce;
uint256 baseFeePerGas;
bytes32 withdrawalsRoot;
}

library LibBlockHeader {
Expand All @@ -44,12 +45,15 @@ library LibBlockHeader {
BlockHeader memory header,
uint256 extraCapacity
) internal pure returns (bytes[] memory list) {
if (header.baseFeePerGas == 0) {
// non-EIP11559 transaction
list = new bytes[](15 + extraCapacity);
} else {
// EIP1159 transaction
if (header.withdrawalsRoot != 0) {
// EIP-4895 transaction
list = new bytes[](17 + extraCapacity);
} else if (header.baseFeePerGas != 0) {
// EIP-1559 transaction
list = new bytes[](16 + extraCapacity);
} else {
// non-EIP-1559 transaction
list = new bytes[](15 + extraCapacity);
}
list[0] = LibRLPWriter.writeHash(header.parentHash);
list[1] = LibRLPWriter.writeHash(header.ommersHash);
Expand All @@ -69,9 +73,13 @@ library LibBlockHeader {
// as [8]byte when hashing the block.
list[14] = LibRLPWriter.writeBytes(abi.encodePacked(header.nonce));
if (header.baseFeePerGas != 0) {
// non-EIP11559 transaction
// EIP-1559 transaction
list[15] = LibRLPWriter.writeUint(header.baseFeePerGas);
}
if (header.withdrawalsRoot != 0) {
// EIP-4895 transaction
list[16] = LibRLPWriter.writeHash(header.withdrawalsRoot);
}
}

function isPartiallyValidForTaiko(
Expand Down
50 changes: 49 additions & 1 deletion packages/protocol/test/libs/LibBlockHeader.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,7 @@ describe("LibBlockHeader tests", function () {
"0xf5ba25df1e92e89a09e0b32063b81795f631100801158f5fa733f2ba26843bd0",
nonce: EBN.from("0x738b7e38476abe98"),
baseFeePerGas: 0,
withdrawalsRoot: ethers.constants.HashZero,
};

const headerComputed = await libBlockHeader.hashBlockHeader(
Expand Down Expand Up @@ -87,6 +88,7 @@ describe("LibBlockHeader tests", function () {
mixHash: ethers.constants.HashZero,
nonce: EBN.from("0x0"),
baseFeePerGas: 0,
withdrawalsRoot: ethers.constants.HashZero,
};

const headerComputed = await libBlockHeader.hashBlockHeader(
Expand All @@ -96,7 +98,7 @@ describe("LibBlockHeader tests", function () {
expect(headerComputed).to.equal(blockHash);
});

it("can calculate EIP1159", async function () {
it("can calculate EIP-1559", async function () {
const blockHash =
"0xb39b05b327d23ca29286fa7e2331d8269cd257cf10a8310b40ebaddf411f191e";
// block 0xb39b05b327d23ca29286fa7e2331d8269cd257cf10a8310b40ebaddf411f191e on our L1 testnet
Expand Down Expand Up @@ -130,6 +132,52 @@ describe("LibBlockHeader tests", function () {
"0x0000000000000000000000000000000000000000000000000000000000000000",
nonce: "0x0",
baseFeePerGas: EBN.from("0x37"),
withdrawalsRoot: ethers.constants.HashZero,
};

const headerComputed = await libBlockHeader.hashBlockHeader(
l2BlockHeader
);
log.debug("headerComputed:", headerComputed);

expect(headerComputed).to.equal(blockHash);
});

it("can hash post Shanghai fork blocks", async function () {
const blockHash =
"0x0fb703aea6875ca7e78a73552064cf96a0985879c3b1fa27c846d41b1aa4e98e";
// block 0x0fb703aea6875ca7e78a73552064cf96a0985879c3b1fa27c846d41b1aa4e98e on Sepolia.

const parentHash =
"0xe122a2cc28199703e3ed6bee61875dc1703aa97c3187d8df507f1f789e363977";

const l2BlockHeader: any = {
parentHash: parentHash,
ommersHash:
"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
beneficiary: "0x3826539cbd8d68dcf119e80b994557b4278cec9f",
stateRoot:
"0x2525478f8cd349640e6d1780334e63c56fa0bfb44d89fbd75cb3fcf82d38521c",
transactionsRoot:
"0x97ea65e77b43073c372976694916209b916caa0caef1445d53e9757b9824bdef",
receiptsRoot:
"0xa8b034a217a5d4d4615ee0ed28c4d5275b93888c01c65a98fcdd1aeda6903e1c",
logsBloom:
"00000004000000000000000000100000000100000010001000000000000000000000880000000000000400001100000000000000000000000000000010300000000000000000000000000008000000000000200000000000000000008080000000002000020040000200000400000900000000000000000010000014000000000020024008000000000800000000900000211001000040002000000000000810021000000040400000102000000000040400002000000000000008000000001000008002300000000000000020000008004000000001000110000001000028000014440800010000000000000000000004210000000000400000000000000000"
.match(/.{1,64}/g)!
.map((s) => "0x" + s),
difficulty: EBN.from("0x0"),
height: EBN.from("0x2e93c3"),
gasLimit: EBN.from("0x1c9c380"),
gasUsed: EBN.from("0x44dd61"),
timestamp: EBN.from("0x64097a78"),
extraData: "0x",
mixHash:
"0xa3fedc5083947ffb01157d6a89aa00f0592e14b94da8768ac0e6ded0aa490eb8",
nonce: "0x0000000000000000",
baseFeePerGas: EBN.from("0x7"),
withdrawalsRoot:
"0x0975bba9482fab7591735f9dc8c344078d27abac007086d5dd62ee3a21e3ed29",
};

const headerComputed = await libBlockHeader.hashBlockHeader(
Expand Down
3 changes: 3 additions & 0 deletions packages/protocol/test/thirdparty/LibBlockHeaderDecoder.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,7 @@ describe("LibBlockHeaderDecoder", async function () {
"0xf5ba25df1e92e89a09e0b32063b81795f631100801158f5fa733f2ba26843bd0",
nonce: EBN.from("0x738b7e38476abe98"),
baseFeePerGas: 0,
withdrawalsRoot: ethers.constants.HashZero,
};

const encodedBlockHeader = await hashBlockHeader.rlpBlockHeader(
Expand Down Expand Up @@ -103,6 +104,7 @@ describe("LibBlockHeaderDecoder", async function () {
mixHash: block.mixHash,
nonce: block.nonce,
baseFeePerGas: 0,
withdrawalsRoot: ethers.constants.HashZero,
};
const encodedBlockHeader = await hashBlockHeader.rlpBlockHeader(
blockHeader
Expand Down Expand Up @@ -146,6 +148,7 @@ describe("LibBlockHeaderDecoder", async function () {
mixHash: block.mixHash,
nonce: block.nonce,
baseFeePerGas: 0,
withdrawalsRoot: ethers.constants.HashZero,
};
const encodedBlockHeader = await hashBlockHeader.rlpBlockHeader(
blockHeader
Expand Down