88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
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package consumer
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import (
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"context"
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"errors"
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"time"
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"github.com/wormhole-foundation/wormhole-explorer/common/domain"
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"github.com/wormhole-foundation/wormhole-explorer/txtracker/chains"
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"github.com/wormhole-foundation/wormhole-explorer/txtracker/config"
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sdk "github.com/wormhole-foundation/wormhole/sdk/vaa"
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"go.uber.org/zap"
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)
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// ProcessSourceTxParams is a struct that contains the parameters for the ProcessSourceTx method.
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type ProcessSourceTxParams struct {
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ChainId sdk.ChainID
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VaaId string
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Emitter string
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Sequence string
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TxHash string
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}
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func ProcessSourceTx(
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ctx context.Context,
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logger *zap.Logger,
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rpcServiceProviderSettings *config.RpcProviderSettings,
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repository *Repository,
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params *ProcessSourceTxParams,
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) error {
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// Get transaction details from the emitter blockchain
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//
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// If the transaction is not found, will retry a few times before giving up.
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var txStatus domain.SourceTxStatus
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var txDetail *chains.TxDetail
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var err error
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for attempts := 1; attempts <= maxAttempts; attempts++ {
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txDetail, err = chains.FetchTx(ctx, rpcServiceProviderSettings, params.ChainId, params.TxHash)
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switch {
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// If the transaction is not found, retry after a delay
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case errors.Is(err, chains.ErrTransactionNotFound):
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txStatus = domain.SourceTxStatusInternalError
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logger.Warn("transaction not found, will retry after a delay",
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zap.String("vaaId", params.VaaId),
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zap.Duration("retryDelay", retryDelay),
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zap.Int("attempts", attempts),
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zap.Int("maxAttempts", maxAttempts),
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)
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time.Sleep(retryDelay)
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continue
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// If the chain ID is not supported, we're done.
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case errors.Is(err, chains.ErrChainNotSupported):
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return err
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// If the context was cancelled, do not attempt to save the result on the database
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case errors.Is(err, context.Canceled):
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return err
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// If there is an internal error, give up
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case err != nil:
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logger.Error("Failed to fetch source transaction details",
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zap.String("vaaId", params.VaaId),
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zap.Error(err),
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)
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txStatus = domain.SourceTxStatusInternalError
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break
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// Success
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case err == nil:
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txStatus = domain.SourceTxStatusConfirmed
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break
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}
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}
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// Store source transaction details in the database
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p := UpsertDocumentParams{
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VaaId: params.VaaId,
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ChainId: params.ChainId,
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TxDetail: txDetail,
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TxStatus: txStatus,
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}
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return repository.UpsertDocument(ctx, &p)
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}
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