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feat: update flashblock listener #190

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Merged
vaigay merged 2 commits into from
Mar 9, 2026
Merged

feat: update flashblock listener #190

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decf882
feat: update flashblock listener
vaigay Mar 9, 2026
47d5da0
chore: lint
vaigay Mar 9, 2026
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30 changes: 20 additions & 10 deletions pkg/flashblock/block_listener.go
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@ const (

type NodeBlockListenerConfig struct {
WebSocketURL string
AuthHeader string
}

func (c NodeBlockListenerConfig) validate() error {
Expand All @@ -28,21 +29,24 @@ func (c NodeBlockListenerConfig) validate() error {
}

type NodeClient struct {
config NodeBlockListenerConfig
l *zap.SugaredLogger
conn *websocket.Conn
publisher Publisher
config NodeBlockListenerConfig
l *zap.SugaredLogger
conn *websocket.Conn
publisher Publisher
dataSource DataSource
}

func NewNodeListenerClient(config NodeBlockListenerConfig, publisher Publisher) (*NodeClient, error) {
// nolint:lll
func NewNodeListenerClient(config NodeBlockListenerConfig, publisher Publisher, dataSource DataSource) (*NodeClient, error) {
if err := config.validate(); err != nil {
return nil, err
}

return &NodeClient{
config: config,
l: zap.S().Named("block-listener"),
publisher: publisher,
config: config,
l: zap.S().Named("block-listener"),
publisher: publisher,
dataSource: dataSource,
}, nil
}

Expand Down Expand Up @@ -78,10 +82,16 @@ func (c *NodeClient) ListenFlashBlocks(ctx context.Context) error {
}
}

// nolint:cyclop
func (c *NodeClient) connectAndListen(ctx context.Context, resetRetryDelay func()) error {
c.l.Infow("Connecting to flashblock stream", "url", c.config.WebSocketURL)

conn, _, err := websocket.DefaultDialer.Dial(c.config.WebSocketURL, nil)
header := make(map[string][]string)
if c.config.AuthHeader != "" {
header["Authorization"] = []string{c.config.AuthHeader}
}

conn, _, err := websocket.DefaultDialer.Dial(c.config.WebSocketURL, header)
if err != nil {
return fmt.Errorf("failed to connect to WebSocket: %w", err)
}
Expand Down Expand Up @@ -153,7 +163,7 @@ func (c *NodeClient) connectAndListen(ctx context.Context, resetRetryDelay func(
continue
}

if err := c.publisher.Publish(ctx, NodeDataSource, flashBlock); err != nil {
if err := c.publisher.Publish(ctx, c.dataSource, flashBlock); err != nil {
c.l.Errorw("Error publishing flashblock", "error", err)
}
}
Expand Down
4 changes: 4 additions & 0 deletions pkg/flashblock/block_route_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -114,11 +114,15 @@ func (b *Metadata) UnmarshalJSON(data []byte) error {
return nil
}

// nolint: godox
// TODO: update logs later
// Receipt represents a transaction receipt
type Receipt struct {
Eip1559 *Eip1559Receipt `json:"Eip1559,omitempty"`
Legacy *LegacyReceipt `json:"Legacy,omitempty"`
Deposit *DepositReceipt `json:"Deposit,omitempty"`
Status string `json:"status"`
Type string `json:"type"`
}

// Eip1559Receipt represents an EIP-1559 transaction receipt
Expand Down
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