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Merged
anhthii merged 1 commit into from
Mar 24, 2026
Merged

Add block hash and transfer index for solana #83

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50 changes: 29 additions & 21 deletions internal/indexer/solana.go
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Original file line number Diff line number Diff line change
Expand Up @@ -466,7 +466,7 @@ func solanaParseTokenTransfer(ix solana.Instruction, accountKeys []solana.Accoun

func (s *SolanaIndexer) extractSolanaTransfers(networkID string, slot uint64, ts uint64, b *solana.GetBlockResult) []types.Transaction {
out := make([]types.Transaction, 0)
for _, tx := range b.Transactions {
for txIdx, tx := range b.Transactions {
if tx.Meta == nil {
continue
}
Expand Down Expand Up @@ -509,22 +509,27 @@ func (s *SolanaIndexer) extractSolanaTransfers(networkID string, slot uint64, ts
}
}

transferIdx := 0

appendNative := func(from, to string, lamports uint64) {
if !s.isMonitoredTransfer(from, to) {
return
}
out = append(out, types.Transaction{
TxHash: txHash,
NetworkId: networkID,
BlockNumber: slot,
FromAddress: from,
ToAddress: to,
AssetAddress: "",
Amount: strconv.FormatUint(lamports, 10),
Type: constant.TxTypeNativeTransfer,
TxFee: fee,
Timestamp: ts,
TxHash: txHash,
NetworkId: networkID,
BlockNumber: slot,
BlockHash: b.Blockhash,
TransferIndex: fmt.Sprintf("%d:%d", txIdx, transferIdx),
FromAddress: from,
ToAddress: to,
AssetAddress: "",
Amount: strconv.FormatUint(lamports, 10),
Type: constant.TxTypeNativeTransfer,
TxFee: fee,
Timestamp: ts,
})
transferIdx++
}

appendSPL := func(srcTokenAcc, dstTokenAcc, mint string, amount uint64) {
Expand All @@ -546,17 +551,20 @@ func (s *SolanaIndexer) extractSolanaTransfers(networkID string, slot uint64, ts
}

out = append(out, types.Transaction{
TxHash: txHash,
NetworkId: networkID,
BlockNumber: slot,
FromAddress: fromOwner,
ToAddress: toOwner,
AssetAddress: mint,
Amount: strconv.FormatUint(amount, 10),
Type: constant.TxTypeTokenTransfer,
TxFee: fee,
Timestamp: ts,
TxHash: txHash,
NetworkId: networkID,
BlockNumber: slot,
BlockHash: b.Blockhash,
TransferIndex: fmt.Sprintf("%d:%d", txIdx, transferIdx),
FromAddress: fromOwner,
ToAddress: toOwner,
AssetAddress: mint,
Amount: strconv.FormatUint(amount, 10),
Type: constant.TxTypeTokenTransfer,
TxFee: fee,
Timestamp: ts,
})
transferIdx++
}

processIx := func(ix solana.Instruction) {
Expand Down
119 changes: 115 additions & 4 deletions internal/indexer/solana_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,8 @@ func newTestSolanaIndexer() *SolanaIndexer {
// so it can be fed into extractSolanaTransfers.
func txToBlockResult(tx *solana.GetTransactionResult) *solana.GetBlockResult {
return &solana.GetBlockResult{
Blockhash: "testhash123",
PreviousBlockhash: "parenthash456",
Transactions: []solana.BlockTxn{
{
Meta: tx.Meta,
Expand All @@ -40,6 +42,111 @@ func txToBlockResult(tx *solana.GetTransactionResult) *solana.GetBlockResult {
}
}

func TestSolanaBlockHashAndTransferIndex(t *testing.T) {
idx := newTestSolanaIndexer()

blockHash := "9xJ7rGWdmA9Y4qKkZn1bFwP3KpvLcAhRsL1oXrNBp4v"
makeTxnEnvelope := func(sig string, keys []solana.AccountKey, ixs []solana.Instruction) solana.TxnEnvelope {
env := solana.TxnEnvelope{Signatures: []string{sig}}
env.Message.AccountKeys = keys
env.Message.Instructions = ixs
return env
}

block := &solana.GetBlockResult{
Blockhash: blockHash,
PreviousBlockhash: "parentHash123",
Transactions: []solana.BlockTxn{
{
Meta: &solana.TxnMeta{Fee: 5000},
Transaction: makeTxnEnvelope("sig1",
[]solana.AccountKey{
{Pubkey: "sender1"},
{Pubkey: "receiver1"},
{Pubkey: "sender2"},
{Pubkey: "receiver2"},
{Pubkey: solanaSystemProgramID},
},
[]solana.Instruction{
{
Program: "system",
ProgramId: solanaSystemProgramID,
Parsed: map[string]any{
"type": "transfer",
"info": map[string]any{
"source": "sender1",
"destination": "receiver1",
"lamports": float64(1000000),
},
},
},
{
Program: "system",
ProgramId: solanaSystemProgramID,
Parsed: map[string]any{
"type": "transfer",
"info": map[string]any{
"source": "sender2",
"destination": "receiver2",
"lamports": float64(2000000),
},
},
},
},
),
},
{
Meta: &solana.TxnMeta{Fee: 5000},
Transaction: makeTxnEnvelope("sig2",
[]solana.AccountKey{
{Pubkey: "sender3"},
{Pubkey: "receiver3"},
{Pubkey: solanaSystemProgramID},
},
[]solana.Instruction{
{
Program: "system",
ProgramId: solanaSystemProgramID,
Parsed: map[string]any{
"type": "transfer",
"info": map[string]any{
"source": "sender3",
"destination": "receiver3",
"lamports": float64(3000000),
},
},
},
},
),
},
},
}

transfers := idx.extractSolanaTransfers("solana-mainnet", 100, 1234567890, block)

require.Len(t, transfers, 3)

// All transfers should have BlockHash set
for _, tx := range transfers {
assert.Equal(t, blockHash, tx.BlockHash, "BlockHash should be propagated")
assert.NotEmpty(t, tx.TransferIndex, "TransferIndex should be set")
}

// TransferIndexes should be unique
seen := map[string]bool{}
for _, tx := range transfers {
key := tx.TxHash + ":" + tx.TransferIndex
assert.False(t, seen[key], "TransferIndex should be unique within block, duplicate: %s", key)
seen[key] = true
}

// First tx has two transfers: 0:0 and 0:1
assert.Equal(t, "0:0", transfers[0].TransferIndex)
assert.Equal(t, "0:1", transfers[1].TransferIndex)
// Second tx has one transfer: 1:0
assert.Equal(t, "1:0", transfers[2].TransferIndex)
}

// TestParseSPLTransfer tests parsing of SPL Transfer (opcode 3) instruction from a real mainnet tx.
// Transaction: 4dc8JLGc2ee2FHXhEfDEXNuG62TZjwvSUGiCwfPnXpiMfCEAcTjg6LXnqEAV9fzbHXaWAiNcNEDrSQMWYmfy9cTv
// This is a USDC transfer using the Transfer instruction (not TransferChecked).
Expand Down Expand Up @@ -81,10 +188,12 @@ func TestParseSPLTransfer(t *testing.T) {
assert.Equal(t, "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", tokenTransfer.AssetAddress, "AssetAddress should be USDC mint")
assert.NotEmpty(t, tokenTransfer.FromAddress, "FromAddress (owner) should be resolved")
assert.NotEmpty(t, tokenTransfer.ToAddress, "ToAddress (owner) should be resolved")
assert.Equal(t, "testhash123", tokenTransfer.BlockHash, "BlockHash should be propagated from block")
assert.NotEmpty(t, tokenTransfer.TransferIndex, "TransferIndex should be set")

t.Logf("Transfer: from=%s to=%s amount=%s token=%s",
t.Logf("Transfer: from=%s to=%s amount=%s token=%s transferIndex=%s",
tokenTransfer.FromAddress, tokenTransfer.ToAddress,
tokenTransfer.Amount, tokenTransfer.AssetAddress)
tokenTransfer.Amount, tokenTransfer.AssetAddress, tokenTransfer.TransferIndex)
}

// TestParseSPLTransferChecked tests parsing of SPL TransferChecked (opcode 12) instruction from a real mainnet tx.
Expand Down Expand Up @@ -128,8 +237,10 @@ func TestParseSPLTransferChecked(t *testing.T) {
assert.Equal(t, "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", tokenTransfer.AssetAddress, "AssetAddress should be USDC mint")
assert.NotEmpty(t, tokenTransfer.FromAddress, "FromAddress (owner) should be resolved")
assert.NotEmpty(t, tokenTransfer.ToAddress, "ToAddress (owner) should be resolved")
assert.Equal(t, "testhash123", tokenTransfer.BlockHash, "BlockHash should be propagated from block")
assert.NotEmpty(t, tokenTransfer.TransferIndex, "TransferIndex should be set")

t.Logf("TransferChecked: from=%s to=%s amount=%s token=%s",
t.Logf("TransferChecked: from=%s to=%s amount=%s token=%s transferIndex=%s",
tokenTransfer.FromAddress, tokenTransfer.ToAddress,
tokenTransfer.Amount, tokenTransfer.AssetAddress)
tokenTransfer.Amount, tokenTransfer.AssetAddress, tokenTransfer.TransferIndex)
}
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