feat: index ownership changes, bump min go version

Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.23.0-bookworm as build
+FROM golang:1.23.3-bookworm as build
 
 ENV CGO_ENABLED=1
 

cmd/service/router.go

@@ -38,6 +38,10 @@ func bootstrapRouter(handlerContainer *handler.Handler) *router.Router {
 		handlerContainer.IndexFaucetGive,
 		handlerContainer.FaucetHealthCheck,
 	)
+	router.RegisterRoute(
+		"TRACKER.OWNERSHIP_TRANSFERRED",
+		handlerContainer.IndexOwnershipChange,
+	)
 
 	return router
 }

go.mod

@@ -1,6 +1,6 @@
 module github.com/grassrootseconomics/eth-indexer
 
-go 1.23.0
+go 1.23.3
 
 require (
 	github.com/VictoriaMetrics/metrics v1.35.1

internal/handler/ownership.go

@@ -0,0 +1,11 @@
+package handler
+
+import (
+	"context"
+
+	"github.com/grassrootseconomics/eth-tracker/pkg/event"
+)
+
+func (h *Handler) IndexOwnershipChange(ctx context.Context, event event.Event) error {
+	return h.store.InsertOwnershipChange(ctx, event)
+}

internal/store/pg.go

@@ -36,6 +36,7 @@ type (
 		InsertFaucetGive      string `query:"insert-faucet-give"`
 		InsertPoolSwap        string `query:"insert-pool-swap"`
 		InsertPoolDeposit     string `query:"insert-pool-deposit"`
+		InsertOwnershipChange string `query:"insert-ownership-change"`
 		InsertToken           string `query:"insert-token"`
 		InsertPool            string `query:"insert-pool"`
 	}
@@ -199,6 +200,25 @@ func (pg *Pg) InsertPoolDeposit(ctx context.Context, eventPayload event.Event) e
 	})
 }
 
+func (pg *Pg) InsertOwnershipChange(ctx context.Context, eventPayload event.Event) error {
+	return pg.executeTransaction(ctx, func(tx pgx.Tx) error {
+		txID, err := pg.insertTx(ctx, tx, eventPayload)
+		if err != nil {
+			return err
+		}
+
+		_, err = tx.Exec(
+			ctx,
+			pg.queries.InsertOwnershipChange,
+			txID,
+			eventPayload.Payload["previousOwner"].(string),
+			eventPayload.Payload["newOwner"].(string),
+			eventPayload.ContractAddress,
+		)
+		return err
+	})
+}
+
 func (pg *Pg) InsertToken(ctx context.Context, contractAddress string, name string, symbol string, decimals uint8, sinkAddress string) error {
 	return pg.executeTransaction(ctx, func(tx pgx.Tx) error {
 		_, err := tx.Exec(

internal/store/store.go

@@ -15,6 +15,7 @@ type (
 		InsertFaucetGive(context.Context, event.Event) error
 		InsertPoolSwap(context.Context, event.Event) error
 		InsertPoolDeposit(context.Context, event.Event) error
+		InsertOwnershipChange(context.Context, event.Event) error
 		InsertToken(context.Context, string, string, string, uint8, string) error
 		InsertPool(context.Context, string, string, string) error
 		Pool() *pgxpool.Pool

migrations/002_track_ownership_change.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS ownership_change (
+  id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
+  tx_id INT REFERENCES tx(id),
+  previous_owner VARCHAR(42) NOT NULL DEFAULT '0x0000000000000000000000000000000000000000',
+  new_owner VARCHAR(42) NOT NULL DEFAULT '0x0000000000000000000000000000000000000000'.
+  contract_address VARCHAR(42) NOT NULL DEFAULT '0x0000000000000000000000000000000000000000'
+);

queries.sql

@@ -104,6 +104,18 @@ INSERT INTO pool_deposit(
     contract_address
 ) VALUES($1, $2, $3, $4, $5) ON CONFLICT DO NOTHING
 
+--name: insert-ownership-change
+-- $1: tx_id
+-- $2: previous_owner
+-- $3: new_owner
+-- $4: contract_address
+INSERT INTO ownership_change(
+    tx_id,
+    previous_owner,
+    new_owner,
+    contract_address
+) VALUES($1, $2, $3, $4) ON CONFLICT DO NOTHING
+
 --name: insert-token
 -- $1: contract_address
 -- $2: token_name