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package derive
import (
"context"
"math/big"
"math/rand"
"testing"
"github.com/stretchr/testify/require"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
"github.com/ethereum-optimism/optimism/op-node/rollup"
"github.com/ethereum-optimism/optimism/op-service/eth"
"github.com/ethereum-optimism/optimism/op-service/testlog"
"github.com/ethereum-optimism/optimism/op-service/testutils"
)
// TestAttributesQueue checks that it properly uses the PreparePayloadAttributes function
// (which is well tested) and that it properly sets NoTxPool and adds in the candidate
// transactions.
func TestAttributesQueue(t *testing.T) {
// test config, only init the necessary fields
cfg := &rollup.Config{
BlockTime: 2,
L1ChainID: big.NewInt(101),
L2ChainID: big.NewInt(102),
DepositContractAddress: common.Address{0xbb},
L1SystemConfigAddress: common.Address{0xcc},
}
rng := rand.New(rand.NewSource(1234))
l1Info := testutils.RandomBlockInfo(rng)
l1Fetcher := &testutils.MockL1Source{}
defer l1Fetcher.AssertExpectations(t)
l1Fetcher.ExpectInfoByHash(l1Info.InfoHash, l1Info, nil)
safeHead := testutils.RandomL2BlockRef(rng)
safeHead.L1Origin = l1Info.ID()
safeHead.Time = l1Info.InfoTime
batch := SingularBatch{
ParentHash: safeHead.Hash,
EpochNum: rollup.Epoch(l1Info.InfoNum),
EpochHash: l1Info.InfoHash,
Timestamp: safeHead.Time + cfg.BlockTime,
Transactions: []eth.Data{eth.Data("foobar"), eth.Data("example")},
}
parentL1Cfg := eth.SystemConfig{
BatcherAddr: common.Address{42},
Overhead: [32]byte{},
Scalar: [32]byte{},
GasLimit: 1234,
}
expectedL1Cfg := eth.SystemConfig{
BatcherAddr: common.Address{42},
Overhead: [32]byte{},
Scalar: [32]byte{},
GasLimit: 1234,
}
l2Fetcher := &testutils.MockL2Client{}
l2Fetcher.ExpectSystemConfigByL2Hash(safeHead.Hash, parentL1Cfg, nil)
rollupCfg := rollup.Config{}
l1InfoTx, err := L1InfoDepositBytes(&rollupCfg, expectedL1Cfg, safeHead.SequenceNumber+1, l1Info, 0)
require.NoError(t, err)
attrs := eth.PayloadAttributes{
Timestamp: eth.Uint64Quantity(safeHead.Time + cfg.BlockTime),
PrevRandao: eth.Bytes32(l1Info.InfoMixDigest),
SuggestedFeeRecipient: predeploys.SequencerFeeVaultAddr,
Transactions: []eth.Data{l1InfoTx, eth.Data("foobar"), eth.Data("example")},
NoTxPool: true,
GasLimit: (*eth.Uint64Quantity)(&expectedL1Cfg.GasLimit),
}
attrBuilder := NewFetchingAttributesBuilder(cfg, l1Fetcher, l2Fetcher)
aq := NewAttributesQueue(testlog.Logger(t, log.LevelError), cfg, attrBuilder, nil)
actual, err := aq.createNextAttributes(context.Background(), &batch, safeHead)
require.NoError(t, err)
require.Equal(t, attrs, *actual)
}