cic-custodial/internal/tasker/task/dispatch_tx.go

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package task
import (
"context"
"encoding/json"
"fmt"
"github.com/celo-org/celo-blockchain/common"
"github.com/celo-org/celo-blockchain/core/types"
"github.com/grassrootseconomics/celoutils"
"github.com/grassrootseconomics/cic-custodial/internal/custodial"
"github.com/grassrootseconomics/cic-custodial/internal/events"
"github.com/grassrootseconomics/cic-custodial/internal/store"
"github.com/grassrootseconomics/cic-custodial/pkg/status"
"github.com/grassrootseconomics/w3-celo-patch/module/eth"
"github.com/hibiken/asynq"
)
type TxPayload struct {
OtxId uint `json:"otxId"`
Tx *types.Transaction `json:"tx"`
}
func DispatchTx(cu *custodial.Custodial) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var (
payload TxPayload
dispatchStatus store.DispatchStatus
eventPayload events.EventPayload
dispathchTx common.Hash
)
if err := json.Unmarshal(t.Payload(), &payload); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
txHash := payload.Tx.Hash().Hex()
dispatchStatus.OtxId, eventPayload.OtxId = payload.OtxId, payload.OtxId
eventPayload.TxHash = txHash
if err := cu.CeloProvider.Client.CallCtx(
ctx,
eth.SendTx(payload.Tx).Returns(&dispathchTx),
); err != nil {
dispatchStatus.Status = status.Unknown
switch err.Error() {
case celoutils.ErrGasPriceLow:
dispatchStatus.Status = status.FailGasPrice
case celoutils.ErrInsufficientGas:
dispatchStatus.Status = status.FailInsufficientGas
case celoutils.ErrNonceLow:
dispatchStatus.Status = status.FailNonce
}
if err := cu.PgStore.CreateDispatchStatus(ctx, dispatchStatus); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
if err := cu.EventEmitter.Publish(events.DispatchFail, txHash, eventPayload); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
dispatchStatus.Status = status.Successful
if err := cu.PgStore.CreateDispatchStatus(ctx, dispatchStatus); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
if err := cu.EventEmitter.Publish(events.DispatchSuccess, txHash, eventPayload); err != nil {
return fmt.Errorf("dispatch: failed %v: %w", err, asynq.SkipRetry)
}
return nil
}
}