From 335b5b4459e7a201a119295d55073b13394a402b Mon Sep 17 00:00:00 2001
From: Jonathan LEI <me@xjonathan.dev>
Date: Wed, 13 Dec 2023 05:52:22 +0000
Subject: [PATCH] feat: add Firehose logs

---
 blockchain/blockchain.go | 44 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/blockchain/blockchain.go b/blockchain/blockchain.go
index 36d622991c..a3ce761e2b 100644
--- a/blockchain/blockchain.go
+++ b/blockchain/blockchain.go
@@ -340,6 +340,10 @@ func (b *Blockchain) Store(block *core.Block, blockCommitments *core.BlockCommit
 		if err := verifyBlock(txn, block); err != nil {
 			return err
 		}
+
+		// TODO: add runtime option to toggle this on and off
+		PrintFirehoseLogs(block)
+
 		if err := core.NewState(txn).Update(block.Number, stateUpdate, newClasses); err != nil {
 			return err
 		}
@@ -373,6 +377,46 @@ func (b *Blockchain) Store(block *core.Block, blockCommitments *core.BlockCommit
 	})
 }
 
+// Firehose integration
+func PrintFirehoseLogs(block *core.Block) {
+	fmt.Printf("FIRE BLOCK_BEGIN %d\n", block.Number)
+	for indTx, tx := range block.Transactions {
+		fmt.Printf("FIRE BEGIN_TRX 0x%X ", tx.Hash().Bytes())
+		switch tx.(type) {
+		case *core.DeployTransaction:
+			fmt.Println("DEPLOY")
+		case *core.InvokeTransaction:
+			fmt.Println("INVOKE_FUNCTION")
+		case *core.DeclareTransaction:
+			fmt.Println("DECLARE")
+		case *core.DeployAccountTransaction:
+			fmt.Println("DEPLOY_ACCOUNT")
+		case *core.L1HandlerTransaction:
+			fmt.Println("L1_HANDLER")
+		default:
+			panic("not a transaction")
+		}
+		receipt := block.Receipts[indTx]
+		for indEvent, event := range receipt.Events {
+			fmt.Printf("FIRE TRX_BEGIN_EVENT 0x%X 0x%X\n", tx.Hash().Bytes(), event.From.Bytes())
+
+			for _, key := range event.Keys {
+				fmt.Printf("FIRE TRX_EVENT_KEY 0x%X %d 0x%X\n", tx.Hash().Bytes(), indEvent, key.Bytes())
+			}
+
+			for _, data := range event.Data {
+				fmt.Printf("FIRE TRX_EVENT_DATA 0x%X %d 0x%X\n", tx.Hash().Bytes(), indEvent, data.Bytes())
+			}
+		}
+	}
+	fmt.Printf("FIRE BLOCK_END %d 0x%X 0x%X %d %d\n",
+		block.Number,
+		block.Hash.Bytes(),
+		block.ParentHash.Bytes(),
+		block.Timestamp,
+		len(block.Transactions))
+}
+
 // VerifyBlock assumes the block has already been sanity-checked.
 func (b *Blockchain) VerifyBlock(block *core.Block) error {
 	return b.database.View(func(txn db.Transaction) error {