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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package chainwriter | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "time" | ||
|
|
||
| "github.com/gagliardetto/solana-go" | ||
| "github.com/google/uuid" | ||
| "github.com/smartcontractkit/chainlink-common/pkg/types" | ||
| ) | ||
|
|
||
| const ( | ||
| maxAtas = 12 | ||
| ) | ||
|
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| func (s *SolanaChainWriterService) handleATACreation(ctx context.Context, createATAinstructions []solana.Instruction, methodConfig MethodConfig, contractName, method string, feePayer solana.PublicKey) error { | ||
| blockhash, err := s.client.LatestBlockhash(ctx) | ||
| if err != nil { | ||
| return fmt.Errorf("error fetching latest blockhash: %w", err) | ||
| } | ||
|
|
||
| if len(createATAinstructions) > maxAtas { | ||
| return fmt.Errorf("too many ATAs to create: %d, max allowed: %d", len(createATAinstructions), maxAtas) | ||
| } | ||
| ataTx, ataErr := solana.NewTransaction( | ||
| createATAinstructions, | ||
| blockhash.Value.Blockhash, | ||
| solana.TransactionPayer(feePayer), | ||
| ) | ||
| if ataErr != nil { | ||
| return fmt.Errorf("error constructing ATA transaction: %w", err) | ||
| } | ||
| ataUUID := fmt.Sprintf("ATA-%s", uuid.NewString()) | ||
|
|
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| s.lggr.Info("Sending create ATA transaction", "contract", contractName, "method", method) | ||
|
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| // Enqueue ATA transaction | ||
| if err = s.txm.Enqueue(ctx, methodConfig.FromAddress, ataTx, &ataUUID, blockhash.Value.LastValidBlockHeight); err != nil { | ||
| return fmt.Errorf("error enqueuing transaction: %w", err) | ||
| } | ||
|
|
||
| err = s.waitForTxFinality(ctx, ataUUID) | ||
| if err != nil { | ||
| return fmt.Errorf("error waiting for ATA transaction finality: %w", err) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (s *SolanaChainWriterService) waitForTxFinality(ctx context.Context, transactionID string) error { | ||
| waitCtx, cancel := context.WithTimeout(ctx, 5*time.Minute) | ||
| defer cancel() | ||
|
|
||
| ticker := time.NewTicker(1 * time.Second) | ||
| defer ticker.Stop() | ||
|
|
||
| for { | ||
| select { | ||
| case <-waitCtx.Done(): | ||
| return fmt.Errorf("context ended while waiting for finality of transaction %s", transactionID) | ||
| case <-ticker.C: | ||
| status, err := s.txm.GetTransactionStatus(waitCtx, transactionID) | ||
| if err != nil { | ||
| return fmt.Errorf("error fetching transaction status: %w", err) | ||
| } | ||
| switch status { | ||
| case types.Finalized: | ||
| s.lggr.Debug("ATA transaction finalized", "transactionID", transactionID) | ||
| return nil | ||
| case types.Failed, types.Fatal: | ||
| return fmt.Errorf("transaction %s failed", transactionID) | ||
| default: | ||
| // Keep polling | ||
| } | ||
| } | ||
| } | ||
| } |
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