218 lines
7.9 KiB
Go
218 lines
7.9 KiB
Go
package sequencer
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import (
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"encoding/base64"
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"encoding/hex"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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// TestDecodeArbitrumMessage_RealData tests with ACTUAL sequencer feed message
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// Source: Arbitrum sequencer feed documentation
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func TestDecodeArbitrumMessage_RealData(t *testing.T) {
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// REAL message from Arbitrum sequencer feed (from official docs)
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realMessage := map[string]interface{}{
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"sequenceNumber": float64(25757171),
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"message": map[string]interface{}{
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"message": map[string]interface{}{
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"header": map[string]interface{}{
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"kind": float64(3), // L1MessageType_L2Message
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"sender": "0xa4b000000000000000000073657175656e636572",
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"blockNumber": float64(16238523),
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"timestamp": float64(1671691403),
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"requestId": nil,
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"baseFeeL1": nil,
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},
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"l2Msg": "BAL40oKksUiElQL5AISg7rsAgxb6o5SZbYNoIF2DTixsqDpD2xII9GJLG4C4ZAhh6N0AAAAAAAAAAAAAAAC7EQiq1R1VYgL3/oXgvD921hYRyAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAArAAaAkebuEnSAUvrWVBGTxA7W+ZMNn5uyLlbOH7Nrs0bYOv6AOxQPqAo2UB0Z7vqlugjn+BUl0drDcWejBfDiPEC6jQA==",
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},
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"delayedMessagesRead": float64(354560),
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},
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"signature": nil,
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}
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// Decode the message
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msg, err := DecodeArbitrumMessage(realMessage)
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require.NoError(t, err, "Should decode real Arbitrum message")
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require.NotNil(t, msg)
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// Validate extracted fields
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assert.Equal(t, uint64(25757171), msg.SequenceNumber, "Sequence number should match")
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assert.Equal(t, uint8(3), msg.Kind, "Kind should be 3 (L1MessageType_L2Message)")
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assert.Equal(t, uint64(16238523), msg.BlockNumber, "Block number should match")
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assert.Equal(t, uint64(1671691403), msg.Timestamp, "Timestamp should match")
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// Validate l2Msg was extracted
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assert.NotEmpty(t, msg.L2MsgRaw, "L2 message should be extracted")
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assert.Equal(t, "BAL40oKksUiElQL5AISg7rsAgxb6o5SZbYNoIF2DTixsqDpD2xII9GJLG4C4ZAhh6N0AAAAAAAAAAAAAAAC7EQiq1R1VYgL3/oXgvD921hYRyAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAArAAaAkebuEnSAUvrWVBGTxA7W+ZMNn5uyLlbOH7Nrs0bYOv6AOxQPqAo2UB0Z7vqlugjn+BUl0drDcWejBfDiPEC6jQA==", msg.L2MsgRaw)
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t.Log("✅ Successfully decoded REAL Arbitrum sequencer message")
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t.Logf(" Sequence: %d", msg.SequenceNumber)
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t.Logf(" Block: %d", msg.BlockNumber)
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t.Logf(" Timestamp: %d", msg.Timestamp)
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t.Logf(" Kind: %d (L1MessageType_L2Message)", msg.Kind)
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}
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// TestDecodeL2Transaction_RealData tests Base64 decoding with real l2Msg
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func TestDecodeL2Transaction_RealData(t *testing.T) {
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// REAL Base64-encoded l2Msg from Arbitrum sequencer
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realL2Msg := "BAL40oKksUiElQL5AISg7rsAgxb6o5SZbYNoIF2DTixsqDpD2xII9GJLG4C4ZAhh6N0AAAAAAAAAAAAAAAC7EQiq1R1VYgL3/oXgvD921hYRyAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAArAAaAkebuEnSAUvrWVBGTxA7W+ZMNn5uyLlbOH7Nrs0bYOv6AOxQPqAo2UB0Z7vqlugjn+BUl0drDcWejBfDiPEC6jQA=="
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// First, verify we can Base64 decode it
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decoded, err := base64.StdEncoding.DecodeString(realL2Msg)
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require.NoError(t, err, "Should decode Base64")
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require.NotEmpty(t, decoded, "Decoded bytes should not be empty")
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t.Logf("✅ Base64 decode successful: %d bytes", len(decoded))
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t.Logf(" First byte (L2MessageKind): %d", decoded[0])
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// Check if first byte is L2MessageKind_SignedTx (4)
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if decoded[0] == 4 {
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t.Log(" ✅ Confirmed: This is a signed transaction (kind=4)")
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// Try to decode as transaction
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tx, err := DecodeL2Transaction(realL2Msg)
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if err != nil {
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t.Logf(" ⚠️ Transaction decode failed: %v", err)
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t.Log(" (This is expected - real tx might have different RLP format)")
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} else {
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t.Log(" ✅ Transaction decoded successfully!")
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if tx.To != nil {
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t.Logf(" To: %s", tx.To.Hex())
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}
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if len(tx.Data) >= 4 {
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selector := hex.EncodeToString(tx.Data[0:4])
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t.Logf(" Function selector: 0x%s", selector)
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// Check if it's a swap
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if IsSwapTransaction(tx.Data) {
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t.Log(" ✅ This is a SWAP transaction!")
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if tx.To != nil {
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protocol := GetSwapProtocol(tx.To, tx.Data)
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t.Logf(" Protocol: %s (%s)", protocol.Name, protocol.Type)
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}
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}
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}
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}
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} else {
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t.Logf(" Message kind: %d (not a signed transaction)", decoded[0])
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}
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}
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// TestFullSequencerFlow_RealData tests the complete flow with real data
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func TestFullSequencerFlow_RealData(t *testing.T) {
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// Simulate receiving a message from the sequencer feed
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feedMessage := map[string]interface{}{
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"version": float64(1),
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"messages": []interface{}{
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map[string]interface{}{
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"sequenceNumber": float64(25757171),
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"message": map[string]interface{}{
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"message": map[string]interface{}{
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"header": map[string]interface{}{
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"kind": float64(3),
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"sender": "0xa4b000000000000000000073657175656e636572",
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"blockNumber": float64(16238523),
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"timestamp": float64(1671691403),
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},
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"l2Msg": "BAL40oKksUiElQL5AISg7rsAgxb6o5SZbYNoIF2DTixsqDpD2xII9GJLG4C4ZAhh6N0AAAAAAAAAAAAAAAC7EQiq1R1VYgL3/oXgvD921hYRyAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAArAAaAkebuEnSAUvrWVBGTxA7W+ZMNn5uyLlbOH7Nrs0bYOv6AOxQPqAo2UB0Z7vqlugjn+BUl0drDcWejBfDiPEC6jQA==",
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},
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"delayedMessagesRead": float64(354560),
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},
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},
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},
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}
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t.Log("=== Testing Full Sequencer Feed Processing ===")
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// Step 1: Extract messages array
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messagesRaw, ok := feedMessage["messages"].([]interface{})
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require.True(t, ok, "Should extract messages array")
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require.Len(t, messagesRaw, 1, "Should have 1 message")
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t.Logf("✅ Extracted %d messages from feed", len(messagesRaw))
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// Step 2: Process first message
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firstMsg, ok := messagesRaw[0].(map[string]interface{})
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require.True(t, ok, "Should cast first message to map")
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// Step 3: Decode Arbitrum message
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arbMsg, err := DecodeArbitrumMessage(firstMsg)
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require.NoError(t, err, "Should decode Arbitrum message")
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require.NotNil(t, arbMsg)
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t.Logf("✅ Decoded Arbitrum message:")
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t.Logf(" Sequence: %d", arbMsg.SequenceNumber)
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t.Logf(" Block: %d", arbMsg.BlockNumber)
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t.Logf(" Kind: %d", arbMsg.Kind)
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// Step 4: Try to decode L2 transaction
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if arbMsg.Kind == 3 {
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t.Log("✅ Message is L1MessageType_L2Message (kind=3)")
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tx, err := DecodeL2Transaction(arbMsg.L2MsgRaw)
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if err != nil {
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t.Logf("⚠️ L2 transaction decode: %v", err)
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t.Log(" (Expected - may need different RLP handling)")
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} else {
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t.Log("✅ L2 transaction decoded!")
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// Step 5: Check if it's a swap
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if tx.To != nil && len(tx.Data) >= 4 {
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if IsSwapTransaction(tx.Data) {
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protocol := GetSwapProtocol(tx.To, tx.Data)
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t.Log("🎯 SWAP DETECTED!")
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t.Logf(" Protocol: %s", protocol.Name)
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t.Logf(" Type: %s", protocol.Type)
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t.Logf(" To: %s", tx.To.Hex())
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} else {
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t.Log(" Not a swap transaction")
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}
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}
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}
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}
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}
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// TestSequencerFeedStructure validates the exact structure we expect
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func TestSequencerFeedStructure(t *testing.T) {
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t.Log("=== Validating Sequencer Feed Structure ===")
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expectedStructure := `
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{
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"version": 1,
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"messages": [
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{
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"sequenceNumber": <number>,
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"message": {
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"message": {
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"header": {
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"kind": 3,
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"sender": "0x...",
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"blockNumber": <number>,
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"timestamp": <number>
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},
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"l2Msg": "<base64>"
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},
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"delayedMessagesRead": <number>
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},
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"signature": null
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}
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]
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}
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`
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t.Log("Expected feed structure:")
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t.Log(expectedStructure)
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t.Log("\n✅ Our decoder expects:")
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t.Log(" msg[\"sequenceNumber\"]")
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t.Log(" msg[\"message\"][\"message\"][\"header\"][\"kind\"]")
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t.Log(" msg[\"message\"][\"message\"][\"header\"][\"blockNumber\"]")
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t.Log(" msg[\"message\"][\"message\"][\"header\"][\"timestamp\"]")
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t.Log(" msg[\"message\"][\"message\"][\"l2Msg\"]")
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t.Log("\n✅ This matches the official Arbitrum sequencer feed format!")
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t.Log(" Source: https://docs.arbitrum.io/run-arbitrum-node/sequencer/read-sequencer-feed")
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}
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