feat: add quoter updated handler

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)
+	}
+}