From ef28ec129870297693c41b325564b0a1577a3561 Mon Sep 17 00:00:00 2001
From: Mohammed Sohail <sohailsameja@gmail.com>
Date: Thu, 3 Jul 2025 10:55:44 +0300
Subject: [PATCH] feat: add quoter updated handler

---
 cmd/service/router.go              |  2 +
 internal/handler/quoter_updated.go | 66 ++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 internal/handler/quoter_updated.go

diff --git a/cmd/service/router.go b/cmd/service/router.go
index 200dacc..12c0c64 100644
--- a/cmd/service/router.go
+++ b/cmd/service/router.go
@@ -27,6 +27,7 @@ func bootstrapEventRouter(cacheProvider cache.Cache, pubCB router.Callback) *rou
 	router.RegisterLogRoute(w3.H("0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"), handler.HandleTokenTransferLog(handlerContainer))
 	router.RegisterLogRoute(w3.H("0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925"), handler.HandleTokenApproveLog(handlerContainer))
 	router.RegisterLogRoute(w3.H("0x5f7542858008eeb041631f30e6109ae94b83a58e9a58261dd2c42c508850f939"), handler.HandleTokenTransferFromLog(handlerContainer))
+	router.RegisterLogRoute(w3.H("0x06526a30af2ff868c2686df12e95844d8ae300416bbec5d5ccc2d2f4afdb17a0"), handler.HandleQuoterUpdatedLog())
 
 	router.RegisterInputDataRoute("63e4bff4", handler.HandleFaucetGiveInputData())
 	router.RegisterInputDataRoute("de82efb4", handler.HandleFaucetGiveInputData())
@@ -44,6 +45,7 @@ func bootstrapEventRouter(cacheProvider cache.Cache, pubCB router.Callback) *rou
 	router.RegisterInputDataRoute("a9059cbb", handler.HandleTokenTransferInputData(handlerContainer))
 	router.RegisterInputDataRoute("23b872dd", handler.HandleTokenTransferInputData(handlerContainer))
 	router.RegisterInputDataRoute("095ea7b3", handler.HandleTokenApproveInputData(handlerContainer))
+	router.RegisterInputDataRoute("f912c64b", handler.HandleQuoterUpdatedInputData())
 
 	return router
 }
diff --git a/internal/handler/quoter_updated.go b/internal/handler/quoter_updated.go
new file mode 100644
index 0000000..195945e
--- /dev/null
+++ b/internal/handler/quoter_updated.go
@@ -0,0 +1,66 @@
+package handler
+
+import (
+	"context"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/grassrootseconomics/eth-tracker/pkg/event"
+	"github.com/grassrootseconomics/eth-tracker/pkg/router"
+	"github.com/lmittmann/w3"
+)
+
+const quoterUpdatedEventName = "QUOTER_UPDATED"
+
+var (
+	quoterUpdatedEvent = w3.MustNewEvent("QuoterUpdated(address indexed newQuoter)")
+	quoterUpdatedSig   = w3.MustNewFunc("setQuoter(address)", "")
+)
+
+func HandleQuoterUpdatedLog() router.LogHandlerFunc {
+	return func(ctx context.Context, lp router.LogPayload, c router.Callback) error {
+		var newQuoter common.Address
+
+		if err := quoterUpdatedEvent.DecodeArgs(lp.Log, &newQuoter); err != nil {
+			return err
+		}
+
+		quoterUpdatedEvent := event.Event{
+			Index:           lp.Log.Index,
+			Block:           lp.Log.BlockNumber,
+			ContractAddress: lp.Log.Address.Hex(),
+			Success:         true,
+			Timestamp:       lp.Timestamp,
+			TxHash:          lp.Log.TxHash.Hex(),
+			TxType:          quoterUpdatedEventName,
+			Payload: map[string]any{
+				"newQuoter": newQuoter.Hex(),
+			},
+		}
+
+		return c(ctx, quoterUpdatedEvent)
+	}
+}
+
+func HandleQuoterUpdatedInputData() router.InputDataHandlerFunc {
+	return func(ctx context.Context, idp router.InputDataPayload, c router.Callback) error {
+		var newQuoter common.Address
+
+		if err := quoterUpdatedSig.DecodeArgs(w3.B(idp.InputData), &newQuoter); err != nil {
+			return err
+		}
+
+		quoterUpdatedEvent := event.Event{
+			Block:           idp.Block,
+			ContractAddress: idp.ContractAddress,
+			Success:         false,
+			Timestamp:       idp.Timestamp,
+			TxHash:          idp.TxHash,
+			TxType:          quoterUpdatedEventName,
+			Payload: map[string]any{
+				"newQuoter": newQuoter.Hex(),
+			},
+		}
+
+		return c(ctx, quoterUpdatedEvent)
+	}
+}