init: base structure

internal/processor/processor.go

@@ -0,0 +1,87 @@
+package processor
+
+import (
+	"context"
+	"log/slog"
+
+	"github.com/alitto/pond"
+	"github.com/celo-org/celo-blockchain/common"
+	"github.com/celo-org/celo-blockchain/core/types"
+	"github.com/ef-ds/deque/v2"
+	"github.com/grassrootseconomics/celo-events/internal/chain"
+	"github.com/grassrootseconomics/celo-events/internal/pool"
+	"github.com/grassrootseconomics/celo-events/internal/stats"
+)
+
+type (
+	ProcessorOpts struct {
+		Chain       *chain.Chain
+		BlocksQueue *deque.Deque[types.Block]
+		Logg        *slog.Logger
+		Stats       *stats.Stats
+	}
+
+	Processor struct {
+		chain       *chain.Chain
+		pool        *pond.WorkerPool
+		blocksQueue *deque.Deque[types.Block]
+		logg        *slog.Logger
+		stats       *stats.Stats
+	}
+)
+
+func NewProcessor(o ProcessorOpts) *Processor {
+	return &Processor{
+		chain:       o.Chain,
+		pool:        pool.NewPool(o.Logg),
+		blocksQueue: o.BlocksQueue,
+		logg:        o.Logg,
+		stats:       o.Stats,
+	}
+}
+
+func (p *Processor) Start(ctx context.Context) error {
+	for {
+		select {
+		case <-ctx.Done():
+			p.logg.Info("block processor shutting down")
+			return nil
+		default:
+			for p.blocksQueue.Len() > 0 {
+				v, _ := p.blocksQueue.PopFront()
+				p.pool.Submit(func() {
+					if err := p.processBlock(v); err != nil {
+						p.logg.Info("block processor error", "block", v.NumberU64(), "error", err)
+					}
+				})
+			}
+		}
+	}
+
+}
+func (p *Processor) Stop() {
+	p.pool.StopAndWait()
+}
+
+func (p *Processor) processBlock(block types.Block) error {
+	ctx := context.Background()
+
+	transactionsResp, err := p.chain.GetTransactions(ctx, block)
+	if err != nil {
+		return err
+	}
+
+	receiptsResp, err := p.chain.GetReceipts(ctx, block)
+	if err != nil {
+		return err
+	}
+
+	for i, receipt := range receiptsResp {
+		if receipt.Status < 1 {
+			p.logg.Warn("reverted receipt", "tx_hash", receipt.TxHash, "input_data", common.Bytes2Hex(transactionsResp[i].Data()))
+		}
+		p.logg.Info("successful receipt", "tx_hash", receipt.TxHash, "status", receipt.Status)
+	}
+
+	return nil
+}