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package derive
import (
"math/big"
"math/rand"
"testing"
"github.com/ethereum-optimism/optimism/op-service/testutils"
"github.com/ethereum/go-ethereum/core/types"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
type spanBatchTxTest struct {
name string
trials int
mkTx func(rng *rand.Rand, signer types.Signer) *types.Transaction
protected bool
}
func TestSpanBatchTxConvert(t *testing.T) {
cases := []spanBatchTxTest{
{"unprotected legacy tx", 32, testutils.RandomLegacyTx, false},
{"legacy tx", 32, testutils.RandomLegacyTx, true},
{"access list tx", 32, testutils.RandomAccessListTx, true},
{"dynamic fee tx", 32, testutils.RandomDynamicFeeTx, true},
}
for i, testCase := range cases {
t.Run(testCase.name, func(t *testing.T) {
rng := rand.New(rand.NewSource(int64(0x1331 + i)))
chainID := big.NewInt(rng.Int63n(1000))
signer := types.NewLondonSigner(chainID)
if !testCase.protected {
signer = types.HomesteadSigner{}
}
for txIdx := 0; txIdx < testCase.trials; txIdx++ {
tx := testCase.mkTx(rng, signer)
v, r, s := tx.RawSignatureValues()
sbtx, err := newSpanBatchTx(*tx)
require.NoError(t, err)
tx2, err := sbtx.convertToFullTx(tx.Nonce(), tx.Gas(), tx.To(), chainID, v, r, s)
require.NoError(t, err)
// compare after marshal because we only need inner field of transaction
txEncoded, err := tx.MarshalBinary()
require.NoError(t, err)
tx2Encoded, err := tx2.MarshalBinary()
require.NoError(t, err)
assert.Equal(t, txEncoded, tx2Encoded)
}
})
}
}
func TestSpanBatchTxRoundTrip(t *testing.T) {
cases := []spanBatchTxTest{
{"unprotected legacy tx", 32, testutils.RandomLegacyTx, false},
{"legacy tx", 32, testutils.RandomLegacyTx, true},
{"access list tx", 32, testutils.RandomAccessListTx, true},
{"dynamic fee tx", 32, testutils.RandomDynamicFeeTx, true},
}
for i, testCase := range cases {
t.Run(testCase.name, func(t *testing.T) {
rng := rand.New(rand.NewSource(int64(0x1332 + i)))
chainID := big.NewInt(rng.Int63n(1000))
signer := types.NewLondonSigner(chainID)
if !testCase.protected {
signer = types.HomesteadSigner{}
}
for txIdx := 0; txIdx < testCase.trials; txIdx++ {
tx := testCase.mkTx(rng, signer)
sbtx, err := newSpanBatchTx(*tx)
require.NoError(t, err)
sbtxEncoded, err := sbtx.MarshalBinary()
require.NoError(t, err)
var sbtx2 spanBatchTx
err = sbtx2.UnmarshalBinary(sbtxEncoded)
require.NoError(t, err)
assert.Equal(t, sbtx, &sbtx2)
}
})
}
}
type spanBatchDummyTxData struct{}
func (txData *spanBatchDummyTxData) txType() byte { return types.DepositTxType }
func TestSpanBatchTxInvalidTxType(t *testing.T) {
// span batch never contain deposit tx
depositTx := types.NewTx(&types.DepositTx{})
_, err := newSpanBatchTx(*depositTx)
require.ErrorContains(t, err, "invalid tx type")
var sbtx spanBatchTx
sbtx.inner = &spanBatchDummyTxData{}
_, err = sbtx.convertToFullTx(0, 0, nil, nil, nil, nil, nil)
require.ErrorContains(t, err, "invalid tx type")
}
func TestSpanBatchTxDecodeInvalid(t *testing.T) {
var sbtx spanBatchTx
_, err := sbtx.decodeTyped([]byte{})
require.ErrorIs(t, err, ErrTypedTxTooShort)
tx := types.NewTx(&types.LegacyTx{})
txEncoded, err := tx.MarshalBinary()
require.NoError(t, err)
// legacy tx is not typed tx
_, err = sbtx.decodeTyped(txEncoded)
require.EqualError(t, err, types.ErrTxTypeNotSupported.Error())
tx2 := types.NewTx(&types.AccessListTx{})
tx2Encoded, err := tx2.MarshalBinary()
require.NoError(t, err)
tx2Encoded[0] = types.DynamicFeeTxType
_, err = sbtx.decodeTyped(tx2Encoded)
require.ErrorContains(t, err, "failed to decode spanBatchDynamicFeeTxData")
tx3 := types.NewTx(&types.DynamicFeeTx{})
tx3Encoded, err := tx3.MarshalBinary()
require.NoError(t, err)
tx3Encoded[0] = types.AccessListTxType
_, err = sbtx.decodeTyped(tx3Encoded)
require.ErrorContains(t, err, "failed to decode spanBatchAccessListTxData")
invalidLegacyTxDecoded := []byte{0xFF, 0xFF}
err = sbtx.UnmarshalBinary(invalidLegacyTxDecoded)
require.ErrorContains(t, err, "failed to decode spanBatchLegacyTxData")
}