447 lines
20 KiB
JavaScript
447 lines
20 KiB
JavaScript
const jsonfile = require("jsonfile");
|
|
const elliptic = require("elliptic");
|
|
const BigNumber = require("bignumber.js");
|
|
|
|
const PythStructs = artifacts.require("PythStructs");
|
|
|
|
const { deployProxy, upgradeProxy } = require("@openzeppelin/truffle-upgrades");
|
|
const { expectRevert, expectEvent } = require("@openzeppelin/test-helpers");
|
|
|
|
// Use "WormholeReceiver" if you are testing with Wormhole Receiver
|
|
const Wormhole = artifacts.require("Wormhole");
|
|
|
|
const PythUpgradable = artifacts.require("PythUpgradable");
|
|
const MockPythUpgrade = artifacts.require("MockPythUpgrade");
|
|
|
|
const testSigner1PK =
|
|
"cfb12303a19cde580bb4dd771639b0d26bc68353645571a8cff516ab2ee113a0";
|
|
const testSigner2PK =
|
|
"892330666a850761e7370376430bb8c2aa1494072d3bfeaed0c4fa3d5a9135fe";
|
|
|
|
contract("Pyth", function () {
|
|
const testSigner1 = web3.eth.accounts.privateKeyToAccount(testSigner1PK);
|
|
const testSigner2 = web3.eth.accounts.privateKeyToAccount(testSigner2PK);
|
|
const testGovernanceChainId = "3";
|
|
const testGovernanceContract =
|
|
"0x0000000000000000000000000000000000000000000000000000000000000004";
|
|
const testPyth2WormholeChainId = "1";
|
|
const testPyth2WormholeEmitter =
|
|
"0x71f8dcb863d176e2c420ad6610cf687359612b6fb392e0642b0ca6b1f186aa3b";
|
|
const notOwnerError =
|
|
"Ownable: caller is not the owner -- Reason given: Ownable: caller is not the owner.";
|
|
|
|
beforeEach(async function () {
|
|
this.pythProxy = await deployProxy(PythUpgradable, [
|
|
(await Wormhole.deployed()).address,
|
|
testPyth2WormholeChainId,
|
|
testPyth2WormholeEmitter,
|
|
]);
|
|
});
|
|
|
|
it("should be initialized with the correct signers and values", async function () {
|
|
// pyth2wormhole
|
|
const pyth2wormChain = await this.pythProxy.pyth2WormholeChainId();
|
|
assert.equal(pyth2wormChain, testPyth2WormholeChainId);
|
|
const pyth2wormEmitter = await this.pythProxy.pyth2WormholeEmitter();
|
|
assert.equal(pyth2wormEmitter, testPyth2WormholeEmitter);
|
|
});
|
|
|
|
it("should allow upgrades from the owner", async function () {
|
|
// Check that the owner is the default account Truffle
|
|
// has configured for the network. upgradeProxy will send
|
|
// transactions from the default account.
|
|
const accounts = await web3.eth.getAccounts();
|
|
const defaultAccount = accounts[0];
|
|
const owner = await this.pythProxy.owner();
|
|
assert.equal(owner, defaultAccount);
|
|
|
|
// Try and upgrade the proxy
|
|
const newImplementation = await upgradeProxy(
|
|
this.pythProxy.address,
|
|
MockPythUpgrade
|
|
);
|
|
|
|
// Check that the new upgrade is successful
|
|
assert.equal(await newImplementation.isUpgradeActive(), true);
|
|
assert.equal(this.pythProxy.address, newImplementation.address);
|
|
});
|
|
|
|
it("should allow ownership transfer", async function () {
|
|
// Check that the owner is the default account Truffle
|
|
// has configured for the network.
|
|
const accounts = await web3.eth.getAccounts();
|
|
const defaultAccount = accounts[0];
|
|
assert.equal(await this.pythProxy.owner(), defaultAccount);
|
|
|
|
// Check that another account can't transfer the ownership
|
|
await expectRevert(
|
|
this.pythProxy.transferOwnership(accounts[1], {
|
|
from: accounts[1],
|
|
}),
|
|
notOwnerError
|
|
);
|
|
|
|
// Transfer the ownership to another account
|
|
await this.pythProxy.transferOwnership(accounts[2], {
|
|
from: defaultAccount,
|
|
});
|
|
assert.equal(await this.pythProxy.owner(), accounts[2]);
|
|
|
|
// Check that the original account can't transfer the ownership back to itself
|
|
await expectRevert(
|
|
this.pythProxy.transferOwnership(defaultAccount, {
|
|
from: defaultAccount,
|
|
}),
|
|
notOwnerError
|
|
);
|
|
|
|
// Check that the new owner can transfer the ownership back to the original account
|
|
await this.pythProxy.transferOwnership(defaultAccount, {
|
|
from: accounts[2],
|
|
});
|
|
assert.equal(await this.pythProxy.owner(), defaultAccount);
|
|
});
|
|
|
|
it("should not allow upgrades from the another account", async function () {
|
|
// This test is slightly convoluted as, due to a limitation of Truffle,
|
|
// we cannot specify which account upgradeProxy send transactions from:
|
|
// it will always use the default account.
|
|
//
|
|
// Therefore, we transfer the ownership to another account first,
|
|
// and then attempt an upgrade using the default account.
|
|
|
|
// Check that the owner is the default account Truffle
|
|
// has configured for the network.
|
|
const accounts = await web3.eth.getAccounts();
|
|
const defaultAccount = accounts[0];
|
|
assert.equal(await this.pythProxy.owner(), defaultAccount);
|
|
|
|
// Transfer the ownership to another account
|
|
const newOwnerAccount = accounts[1];
|
|
await this.pythProxy.transferOwnership(newOwnerAccount, {
|
|
from: defaultAccount,
|
|
});
|
|
assert.equal(await this.pythProxy.owner(), newOwnerAccount);
|
|
|
|
// Try and upgrade using the default account, which will fail
|
|
// because we are no longer the owner.
|
|
await expectRevert(
|
|
upgradeProxy(this.pythProxy.address, MockPythUpgrade),
|
|
notOwnerError
|
|
);
|
|
});
|
|
|
|
// NOTE(2022-05-02): Raw hex payload obtained from format serialization unit tests in `p2w-sdk/rust`
|
|
// Latest known addition: wire format v3
|
|
//
|
|
// Tests rely on a p2w-sdk mock price/prod ID generation rule:
|
|
// nthProdByte(n) = n % 256, starting with n=1
|
|
// nthPriceByte(n) = 255 - (n % 256), starting with n=1
|
|
//
|
|
// Examples:
|
|
// 1st prod = "0x010101[...]"
|
|
// 1st price = "0xFEFEFE[...]"
|
|
// 2nd prod = "0x020202[...]"
|
|
// 2nd price = "0xFDFDFD[...]"
|
|
// 3rd prod = "0x030303[...]"
|
|
// 3rd price = "0xFCFCFC[...]"
|
|
const RAW_BATCH_ATTESTATION_TIME_REGEX = /DEADBEEFFADEDEED/g;
|
|
const RAW_BATCH_PUBLISH_TIME_REGEX = /00000000DADEBEEF/g;
|
|
const RAW_BATCH_PRICE_REGEX = /0000002BAD2FEED7/g;
|
|
const RAW_PRICE_ATTESTATION_SIZE = 149;
|
|
const RAW_BATCH_ATTESTATION_COUNT = 10;
|
|
const RAW_BATCH =
|
|
"0x" +
|
|
"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";
|
|
|
|
// Takes an unsigned 64-bit integer, converts it to hex with 0-padding
|
|
function u64ToHex(timestamp) {
|
|
// u64 -> 8 bytes -> 16 hex bytes
|
|
return timestamp.toString(16).padStart(16, "0");
|
|
}
|
|
|
|
function generateRawBatchAttestation(publishTime, attestationTime, priceVal) {
|
|
const pubTs = u64ToHex(publishTime);
|
|
const attTs = u64ToHex(attestationTime);
|
|
const price = u64ToHex(priceVal);
|
|
const replaced = RAW_BATCH
|
|
.replace(RAW_BATCH_PUBLISH_TIME_REGEX, pubTs)
|
|
.replace(RAW_BATCH_ATTESTATION_TIME_REGEX, attTs)
|
|
.replace(RAW_BATCH_PRICE_REGEX, price);
|
|
return replaced;
|
|
}
|
|
|
|
it("should parse batch price attestation correctly", async function () {
|
|
const magic = 0x50325748;
|
|
const versionMajor = 3;
|
|
const versionMinor = 0;
|
|
|
|
let attestationTime = 1647273460; // re-used for publishTime
|
|
let publishTime = 1647273465; // re-used for publishTime
|
|
let priceVal = 1337;
|
|
let rawBatch = generateRawBatchAttestation(publishTime, attestationTime, priceVal);
|
|
let parsed = await this.pythProxy.parseBatchPriceAttestation(rawBatch);
|
|
|
|
// Check the header
|
|
assert.equal(parsed.header.magic, magic);
|
|
assert.equal(parsed.header.versionMajor, versionMajor);
|
|
assert.equal(parsed.header.versionMinor, versionMinor);
|
|
assert.equal(parsed.header.payloadId, 2);
|
|
|
|
assert.equal(parsed.nAttestations, RAW_BATCH_ATTESTATION_COUNT);
|
|
assert.equal(parsed.attestationSize, RAW_PRICE_ATTESTATION_SIZE);
|
|
|
|
assert.equal(parsed.attestations.length, parsed.nAttestations);
|
|
|
|
for (var i = 0; i < parsed.attestations.length; ++i) {
|
|
const prodId =
|
|
"0x" + (i + 1).toString(16).padStart(2, "0").repeat(32);
|
|
const priceByte = 255 - ((i + 1) % 256);
|
|
const priceId =
|
|
"0x" + priceByte.toString(16).padStart(2, "0").repeat(32);
|
|
|
|
assert.equal(parsed.attestations[i].productId, prodId);
|
|
assert.equal(parsed.attestations[i].priceId, priceId);
|
|
assert.equal(parsed.attestations[i].price, priceVal);
|
|
assert.equal(parsed.attestations[i].conf, 101);
|
|
assert.equal(parsed.attestations[i].expo, -3);
|
|
assert.equal(parsed.attestations[i].emaPrice, -42);
|
|
assert.equal(parsed.attestations[i].emaConf, 42);
|
|
assert.equal(parsed.attestations[i].status, 1);
|
|
assert.equal(parsed.attestations[i].numPublishers, 123212);
|
|
assert.equal(parsed.attestations[i].maxNumPublishers, 321232);
|
|
assert.equal(
|
|
parsed.attestations[i].attestationTime,
|
|
attestationTime
|
|
);
|
|
assert.equal(parsed.attestations[i].publishTime, publishTime);
|
|
assert.equal(parsed.attestations[i].prevPublishTime, 0xdeadbabe);
|
|
assert.equal(parsed.attestations[i].prevPrice, 0xdeadfacebeef);
|
|
assert.equal(parsed.attestations[i].prevConf, 0xbadbadbeef);
|
|
|
|
console.debug(
|
|
`attestation ${i + 1}/${parsed.attestations.length} parsed OK`
|
|
);
|
|
}
|
|
});
|
|
|
|
async function updatePriceFeeds(contract, batches) {
|
|
let updateData = []
|
|
for (let data of batches) {
|
|
const vm = await signAndEncodeVM(
|
|
1,
|
|
1,
|
|
testPyth2WormholeChainId,
|
|
testPyth2WormholeEmitter,
|
|
0,
|
|
data,
|
|
[testSigner1PK],
|
|
0,
|
|
0
|
|
);
|
|
updateData.push("0x" + vm)
|
|
}
|
|
return await contract.updatePriceFeeds(updateData);
|
|
}
|
|
|
|
it("should attest price updates over wormhole", async function () {
|
|
let ts = 1647273460
|
|
let rawBatch = generateRawBatchAttestation(ts - 5, ts, 1337);
|
|
await updatePriceFeeds(this.pythProxy, [rawBatch]);
|
|
});
|
|
|
|
it("should attest price updates empty", async function () {
|
|
const receipt = await updatePriceFeeds(this.pythProxy, []);
|
|
expectEvent.notEmitted(receipt, 'PriceUpdate');
|
|
});
|
|
|
|
it("should attest price updates with multiple batches of correct order", async function () {
|
|
let ts = 1647273460
|
|
let rawBatch1 = generateRawBatchAttestation(ts - 5, ts, 1337);
|
|
let rawBatch2 = generateRawBatchAttestation(ts + 5, ts + 10, 1338);
|
|
const receipt = await updatePriceFeeds(this.pythProxy, [rawBatch1, rawBatch2]);
|
|
expectEvent(receipt, 'PriceUpdate');
|
|
});
|
|
|
|
it("should attest price updates with multiple batches of wrong order", async function () {
|
|
let ts = 1647273460
|
|
let rawBatch1 = generateRawBatchAttestation(ts - 5, ts, 1337);
|
|
let rawBatch2 = generateRawBatchAttestation(ts + 5, ts + 10, 1338);
|
|
const receipt = await updatePriceFeeds(this.pythProxy, [rawBatch2, rawBatch1]);
|
|
expectEvent(receipt, 'PriceUpdate');
|
|
});
|
|
|
|
|
|
it("should cache price updates", async function () {
|
|
let currentTimestamp = (await web3.eth.getBlock("latest")).timestamp;
|
|
let priceVal = 521;
|
|
let rawBatch = generateRawBatchAttestation(currentTimestamp - 5, currentTimestamp, priceVal);
|
|
let receipt = await updatePriceFeeds(this.pythProxy, [rawBatch]);
|
|
expectEvent(receipt, 'PriceUpdate');
|
|
|
|
let first_prod_id = "0x" + "01".repeat(32);
|
|
let first_price_id = "0x" + "fe".repeat(32);
|
|
let second_prod_id = "0x" + "02".repeat(32);
|
|
let second_price_id = "0x" + "fd".repeat(32);
|
|
|
|
// Confirm that previously non-existent feeds are created
|
|
let first = await this.pythProxy.queryPriceFeed(first_price_id);
|
|
console.debug(`first is ${JSON.stringify(first)}`);
|
|
assert.equal(first.price, priceVal);
|
|
|
|
let second = await this.pythProxy.queryPriceFeed(second_price_id);
|
|
assert.equal(second.price, priceVal);
|
|
|
|
// Confirm the price is bumped after a new attestation updates each record
|
|
let nextTimestamp = currentTimestamp + 1;
|
|
let rawBatch2 = generateRawBatchAttestation(
|
|
nextTimestamp - 5,
|
|
nextTimestamp,
|
|
priceVal + 5
|
|
);
|
|
receipt = await updatePriceFeeds(this.pythProxy, [rawBatch2]);
|
|
expectEvent(receipt, 'PriceUpdate');
|
|
|
|
first = await this.pythProxy.queryPriceFeed(first_price_id);
|
|
assert.equal(first.price, priceVal + 5);
|
|
|
|
second = await this.pythProxy.queryPriceFeed(second_price_id);
|
|
assert.equal(second.price, priceVal + 5);
|
|
|
|
// Confirm that only strictly larger timestamps trigger updates
|
|
let rawBatch3 = generateRawBatchAttestation(
|
|
nextTimestamp - 5,
|
|
nextTimestamp,
|
|
priceVal + 10
|
|
);
|
|
receipt = await updatePriceFeeds(this.pythProxy, [rawBatch3]);
|
|
expectEvent.notEmitted(receipt, 'PriceUpdate');
|
|
|
|
first = await this.pythProxy.queryPriceFeed(first_price_id);
|
|
assert.equal(first.price, priceVal + 5);
|
|
assert.notEqual(first.price, priceVal + 10);
|
|
|
|
second = await this.pythProxy.queryPriceFeed(second_price_id);
|
|
assert.equal(second.price, priceVal + 5);
|
|
assert.notEqual(second.price, priceVal + 10);
|
|
});
|
|
|
|
it("should fail transaction if a price is not found", async function () {
|
|
await expectRevert(
|
|
this.pythProxy.queryPriceFeed(
|
|
"0xdeadfeeddeadfeeddeadfeeddeadfeeddeadfeeddeadfeeddeadfeeddeadfeed"
|
|
),
|
|
"no price feed found for the given price id"
|
|
);
|
|
});
|
|
|
|
it("should show stale cached prices as unknown", async function () {
|
|
let smallestTimestamp = 1;
|
|
let rawBatch = generateRawBatchAttestation(smallestTimestamp, smallestTimestamp + 5, 1337);
|
|
await updatePriceFeeds(this.pythProxy, [rawBatch]);
|
|
|
|
for (var i = 1; i <= RAW_BATCH_ATTESTATION_COUNT; i++) {
|
|
const price_id =
|
|
"0x" +
|
|
(255 - (i % 256)).toString(16).padStart(2, "0").repeat(32);
|
|
let priceFeedResult = await this.pythProxy.queryPriceFeed(price_id);
|
|
assert.equal(
|
|
priceFeedResult.status.toString(),
|
|
PythStructs.PriceStatus.UNKNOWN.toString()
|
|
);
|
|
}
|
|
});
|
|
|
|
it("should show cached prices too far into the future as unknown", async function () {
|
|
let largestTimestamp = 4294967295;
|
|
let rawBatch = generateRawBatchAttestation(largestTimestamp - 5, largestTimestamp, 1337);
|
|
await updatePriceFeeds(this.pythProxy, [rawBatch]);
|
|
|
|
for (var i = 1; i <= RAW_BATCH_ATTESTATION_COUNT; i++) {
|
|
const price_id =
|
|
"0x" +
|
|
(255 - (i % 256)).toString(16).padStart(2, "0").repeat(32);
|
|
let priceFeedResult = await this.pythProxy.queryPriceFeed(price_id);
|
|
assert.equal(
|
|
priceFeedResult.status.toString(),
|
|
PythStructs.PriceStatus.UNKNOWN.toString()
|
|
);
|
|
}
|
|
});
|
|
});
|
|
|
|
const signAndEncodeVM = async function (
|
|
timestamp,
|
|
nonce,
|
|
emitterChainId,
|
|
emitterAddress,
|
|
sequence,
|
|
data,
|
|
signers,
|
|
guardianSetIndex,
|
|
consistencyLevel
|
|
) {
|
|
const body = [
|
|
web3.eth.abi
|
|
.encodeParameter("uint32", timestamp)
|
|
.substring(2 + (64 - 8)),
|
|
web3.eth.abi.encodeParameter("uint32", nonce).substring(2 + (64 - 8)),
|
|
web3.eth.abi
|
|
.encodeParameter("uint16", emitterChainId)
|
|
.substring(2 + (64 - 4)),
|
|
web3.eth.abi.encodeParameter("bytes32", emitterAddress).substring(2),
|
|
web3.eth.abi
|
|
.encodeParameter("uint64", sequence)
|
|
.substring(2 + (64 - 16)),
|
|
web3.eth.abi
|
|
.encodeParameter("uint8", consistencyLevel)
|
|
.substring(2 + (64 - 2)),
|
|
data.substr(2),
|
|
];
|
|
|
|
const hash = web3.utils.soliditySha3(
|
|
web3.utils.soliditySha3("0x" + body.join(""))
|
|
);
|
|
|
|
let signatures = "";
|
|
|
|
for (let i in signers) {
|
|
const ec = new elliptic.ec("secp256k1");
|
|
const key = ec.keyFromPrivate(signers[i]);
|
|
const signature = key.sign(hash.substr(2), { canonical: true });
|
|
|
|
const packSig = [
|
|
web3.eth.abi.encodeParameter("uint8", i).substring(2 + (64 - 2)),
|
|
zeroPadBytes(signature.r.toString(16), 32),
|
|
zeroPadBytes(signature.s.toString(16), 32),
|
|
web3.eth.abi
|
|
.encodeParameter("uint8", signature.recoveryParam)
|
|
.substr(2 + (64 - 2)),
|
|
];
|
|
|
|
signatures += packSig.join("");
|
|
}
|
|
|
|
const vm = [
|
|
web3.eth.abi.encodeParameter("uint8", 1).substring(2 + (64 - 2)),
|
|
web3.eth.abi
|
|
.encodeParameter("uint32", guardianSetIndex)
|
|
.substring(2 + (64 - 8)),
|
|
web3.eth.abi
|
|
.encodeParameter("uint8", signers.length)
|
|
.substring(2 + (64 - 2)),
|
|
|
|
signatures,
|
|
body.join(""),
|
|
].join("");
|
|
|
|
return vm;
|
|
};
|
|
|
|
function zeroPadBytes(value, length) {
|
|
while (value.length < 2 * length) {
|
|
value = "0" + value;
|
|
}
|
|
return value;
|
|
}
|