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

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package task
import (
"context"
"encoding/json"
"github.com/celo-org/celo-blockchain/common/hexutil"
"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/internal/tasker"
"github.com/grassrootseconomics/cic-custodial/pkg/enum"
"github.com/grassrootseconomics/w3-celo-patch"
"github.com/hibiken/asynq"
)
func GiftVoucherProcessor(cu *custodial.Custodial) func(context.Context, *asynq.Task) error {
return func(ctx context.Context, t *asynq.Task) error {
var (
err error
payload AccountPayload
)
if err := json.Unmarshal(t.Payload(), &payload); err != nil {
return err
}
lock, err := cu.LockProvider.Obtain(
ctx,
cu.SystemContainer.LockPrefix+cu.SystemContainer.PublicKey,
cu.SystemContainer.LockTimeout,
nil,
)
if err != nil {
return err
}
defer lock.Release(ctx)
nonce, err := cu.Noncestore.Acquire(ctx, cu.SystemContainer.PublicKey)
if err != nil {
return err
}
defer func() {
if err != nil {
if nErr := cu.Noncestore.Return(ctx, cu.SystemContainer.PublicKey); nErr != nil {
err = nErr
}
}
}()
input, err := cu.SystemContainer.Abis["mintTo"].EncodeArgs(
w3.A(payload.PublicKey),
cu.SystemContainer.GiftableTokenValue,
)
if err != nil {
return err
}
builtTx, err := cu.CeloProvider.SignContractExecutionTx(
cu.SystemContainer.PrivateKey,
celoutils.ContractExecutionTxOpts{
ContractAddress: cu.SystemContainer.GiftableToken,
InputData: input,
GasFeeCap: celoutils.SafeGasFeeCap,
GasTipCap: celoutils.SafeGasTipCap,
GasLimit: cu.SystemContainer.TokenTransferGasLimit,
Nonce: nonce,
},
)
if err != nil {
return err
}
rawTx, err := builtTx.MarshalBinary()
if err != nil {
return err
}
id, err := cu.PgStore.CreateOtx(ctx, store.OTX{
TrackingId: payload.TrackingId,
Type: enum.ACCOUNT_REGISTER,
RawTx: hexutil.Encode(rawTx),
TxHash: builtTx.Hash().Hex(),
From: cu.SystemContainer.PublicKey,
Data: hexutil.Encode(builtTx.Data()),
GasPrice: builtTx.GasPrice().Uint64(),
GasLimit: builtTx.Gas(),
TransferValue: cu.SystemContainer.GiftableTokenValue.Uint64(),
Nonce: builtTx.Nonce(),
})
if err != nil {
return err
}
disptachJobPayload, err := json.Marshal(TxPayload{
OtxId: id,
Tx: builtTx,
})
if err != nil {
return err
}
_, err = cu.TaskerClient.CreateTask(
ctx,
tasker.DispatchTxTask,
tasker.HighPriority,
&tasker.Task{
Payload: disptachJobPayload,
},
)
if err != nil {
return err
}
eventPayload := &events.EventPayload{
OtxId: id,
TrackingId: payload.TrackingId,
TxHash: builtTx.Hash().Hex(),
}
if err := cu.EventEmitter.Publish(
events.AccountGiftVoucher,
builtTx.Hash().Hex(),
eventPayload,
); err != nil {
return err
}
return nil
}
}