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import '../setup'
/* Internal Imports */
import { expect } from 'chai'
import {
encodeAppendSequencerBatch,
decodeAppendSequencerBatch,
sequencerBatch,
BatchType,
SequencerBatch,
} from '../../src'
describe('BatchEncoder', function () {
this.timeout(10_000)
// eslint-disable-next-line @typescript-eslint/no-var-requires
const data = require('../fixtures/calldata.json')
describe('appendSequencerBatch', () => {
it('legacy: should work with the simple case', () => {
const batch = {
shouldStartAtElement: 0,
totalElementsToAppend: 0,
contexts: [],
transactions: [],
type: BatchType.LEGACY,
}
const encoded = encodeAppendSequencerBatch(batch)
const decoded = decodeAppendSequencerBatch(encoded)
expect(decoded).to.deep.equal(batch)
})
it('legacy: should work with more complex case', () => {
const batch = {
shouldStartAtElement: 10,
totalElementsToAppend: 1,
contexts: [
{
numSequencedTransactions: 2,
numSubsequentQueueTransactions: 1,
timestamp: 100,
blockNumber: 200,
},
],
transactions: ['0x45423400000011', '0x45423400000012'],
type: BatchType.LEGACY,
}
const encoded = encodeAppendSequencerBatch(batch)
const decoded = decodeAppendSequencerBatch(encoded)
expect(decoded).to.deep.equal(batch)
})
describe('mainnet data', () => {
for (const [hash, calldata] of Object.entries(data)) {
// Deserialize the raw calldata
const decoded = SequencerBatch.fromHex<SequencerBatch>(
calldata as string
)
it(`${hash}`, () => {
const encoded = decoded.toHex()
expect(encoded).to.deep.equal(calldata)
const batch = SequencerBatch.decode(decoded.encode())
expect(decoded).to.deep.eq(batch)
})
it(`${hash} (compressed)`, () => {
// Set the batch type to be zlib so that the batch
// is compressed
decoded.type = BatchType.ZLIB
// Encode a compressed batch
const encodedCompressed = decoded.encode()
// Decode a compressed batch
const decodedPostCompressed =
SequencerBatch.decode<SequencerBatch>(encodedCompressed)
// Expect that the batch type is detected
expect(decodedPostCompressed.type).to.eq(BatchType.ZLIB)
// Expect that the contexts match
expect(decoded.contexts).to.deep.equal(decodedPostCompressed.contexts)
for (const [i, tx] of decoded.transactions.entries()) {
const got = decodedPostCompressed.transactions[i]
expect(got).to.deep.eq(tx)
}
// Reserialize the batch as legacy
decodedPostCompressed.type = BatchType.LEGACY
// Ensure that the original data can be recovered
const encoded = decodedPostCompressed.toHex()
expect(encoded).to.deep.equal(calldata)
})
it(`${hash}: serialize txs`, () => {
for (const tx of decoded.transactions) {
tx.toTransaction()
}
})
}
})
it('should throw an error', () => {
const batch = {
shouldStartAtElement: 10,
totalElementsToAppend: 1,
contexts: [
{
numSequencedTransactions: 2,
numSubsequentQueueTransactions: 1,
timestamp: 100,
blockNumber: 200,
},
],
transactions: ['0x454234000000112', '0x45423400000012'],
}
expect(() => encodeAppendSequencerBatch(batch)).to.throw(
'Unexpected uneven hex string value!'
)
expect(() => sequencerBatch.decode('0x')).to.throw(
'Incorrect function signature'
)
})
})
})