mirror of
https://github.com/grassrootseconomics/cic-custodial.git
synced 2024-11-25 07:16:46 +01:00
557 lines
12 KiB
Go
557 lines
12 KiB
Go
package task
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import (
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"context"
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"encoding/json"
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"fmt"
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"math/big"
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"github.com/bsm/redislock"
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"github.com/celo-org/celo-blockchain/common/hexutil"
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celo "github.com/grassrootseconomics/cic-celo-sdk"
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"github.com/grassrootseconomics/cic-custodial/internal/nonce"
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"github.com/grassrootseconomics/cic-custodial/internal/store"
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"github.com/grassrootseconomics/cic-custodial/internal/tasker"
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"github.com/grassrootseconomics/w3-celo-patch"
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"github.com/grassrootseconomics/w3-celo-patch/module/eth"
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"github.com/hibiken/asynq"
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"github.com/nats-io/nats.go"
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)
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type (
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AccountPayload struct {
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PublicKey string `json:"publicKey"`
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TrackingId string `json:"trackingId"`
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}
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accountEventPayload struct {
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TrackingId string `json:"trackingId"`
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}
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)
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func PrepareAccount(
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noncestore nonce.Noncestore,
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taskerClient *tasker.TaskerClient,
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js nats.JetStreamContext,
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) func(context.Context, *asynq.Task) error {
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return func(ctx context.Context, t *asynq.Task) error {
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var (
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p AccountPayload
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)
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if err := json.Unmarshal(t.Payload(), &p); err != nil {
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return err
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}
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if err := noncestore.SetNewAccountNonce(ctx, p.PublicKey); err != nil {
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return err
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}
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_, err := taskerClient.CreateTask(
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tasker.RegisterAccountOnChain,
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tasker.DefaultPriority,
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&tasker.Task{
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Payload: t.Payload(),
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},
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)
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if err != nil {
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return err
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}
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_, err = taskerClient.CreateTask(
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tasker.GiftTokenTask,
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tasker.DefaultPriority,
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&tasker.Task{
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Payload: t.Payload(),
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},
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)
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if err != nil {
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return err
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}
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eventPayload := &accountEventPayload{
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TrackingId: p.TrackingId,
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}
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eventJson, err := json.Marshal(eventPayload)
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if err != nil {
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return err
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}
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_, err = js.Publish("CUSTODIAL.accountNewNonce", eventJson)
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if err != nil {
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return err
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}
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return nil
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}
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}
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func RegisterAccountOnChainProcessor(
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celoProvider *celo.Provider,
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lockProvider *redislock.Client,
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noncestore nonce.Noncestore,
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pg store.Store,
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system *tasker.SystemContainer,
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taskerClient *tasker.TaskerClient,
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js nats.JetStreamContext,
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) func(context.Context, *asynq.Task) error {
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return func(ctx context.Context, t *asynq.Task) error {
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var (
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p AccountPayload
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)
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if err := json.Unmarshal(t.Payload(), &p); err != nil {
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return err
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}
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lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
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if err != nil {
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return err
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}
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defer lock.Release(ctx)
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nonce, err := noncestore.Acquire(ctx, system.PublicKey)
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if err != nil {
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return err
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}
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input, err := system.Abis["add"].EncodeArgs(w3.A(p.PublicKey))
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if err != nil {
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return err
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}
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// TODO: Review gas params.
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builtTx, err := celoProvider.SignContractExecutionTx(
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system.PrivateKey,
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celo.ContractExecutionTxOpts{
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ContractAddress: system.AccountIndexContract,
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InputData: input,
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GasPrice: big.NewInt(20000000000),
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GasLimit: system.TokenTransferGasLimit,
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Nonce: nonce,
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},
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)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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rawTx, err := builtTx.MarshalBinary()
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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id, err := pg.CreateOTX(ctx, store.OTX{
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TrackingId: p.TrackingId,
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Type: "ACCOUNT_REGISTER",
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RawTx: hexutil.Encode(rawTx),
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TxHash: builtTx.Hash().Hex(),
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From: system.PublicKey,
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Data: hexutil.Encode(builtTx.Data()),
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GasPrice: builtTx.GasPrice().Uint64(),
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Nonce: builtTx.Nonce(),
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})
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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disptachJobPayload, err := json.Marshal(TxPayload{
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OtxId: id,
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Tx: builtTx,
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})
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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_, err = taskerClient.CreateTask(
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tasker.TxDispatchTask,
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tasker.HighPriority,
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&tasker.Task{
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Payload: disptachJobPayload,
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},
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)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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_, err = taskerClient.CreateTask(
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tasker.GiftGasTask,
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tasker.DefaultPriority,
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&tasker.Task{
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Payload: t.Payload(),
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},
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)
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if err != nil {
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return err
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}
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eventPayload := &accountEventPayload{
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TrackingId: p.TrackingId,
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}
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eventJson, err := json.Marshal(eventPayload)
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if err != nil {
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return err
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}
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_, err = js.Publish("CUSTODIAL.accountRegister", eventJson)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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return nil
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}
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}
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func GiftGasProcessor(
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celoProvider *celo.Provider,
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lockProvider *redislock.Client,
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noncestore nonce.Noncestore,
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pg store.Store,
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system *tasker.SystemContainer,
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taskerClient *tasker.TaskerClient,
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js nats.JetStreamContext,
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) func(context.Context, *asynq.Task) error {
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return func(ctx context.Context, t *asynq.Task) error {
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var (
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p AccountPayload
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)
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if err := json.Unmarshal(t.Payload(), &p); err != nil {
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return err
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}
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lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
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if err != nil {
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return err
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}
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defer lock.Release(ctx)
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nonce, err := noncestore.Acquire(ctx, system.PublicKey)
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if err != nil {
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return err
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}
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// TODO: Review gas params
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builtTx, err := celoProvider.SignGasTransferTx(
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system.PrivateKey,
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celo.GasTransferTxOpts{
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To: w3.A(p.PublicKey),
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Nonce: nonce,
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Value: system.GiftableGasValue,
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GasPrice: celo.FixedMinGas,
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},
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)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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rawTx, err := builtTx.MarshalBinary()
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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id, err := pg.CreateOTX(ctx, store.OTX{
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TrackingId: p.TrackingId,
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Type: "GIFT_GAS",
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RawTx: hexutil.Encode(rawTx),
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TxHash: builtTx.Hash().Hex(),
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From: system.PublicKey,
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Data: hexutil.Encode(builtTx.Data()),
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GasPrice: builtTx.GasPrice().Uint64(),
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Nonce: builtTx.Nonce(),
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})
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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disptachJobPayload, err := json.Marshal(TxPayload{
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OtxId: id,
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Tx: builtTx,
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})
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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_, err = taskerClient.CreateTask(
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tasker.TxDispatchTask,
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tasker.HighPriority,
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&tasker.Task{
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Payload: disptachJobPayload,
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},
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)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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eventPayload := &accountEventPayload{
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TrackingId: p.TrackingId,
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}
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eventJson, err := json.Marshal(eventPayload)
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if err != nil {
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return err
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}
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_, err = js.Publish("CUSTODIAL.giftNewAccountGas", eventJson)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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return nil
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}
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}
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func GiftTokenProcessor(
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celoProvider *celo.Provider,
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lockProvider *redislock.Client,
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noncestore nonce.Noncestore,
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pg store.Store,
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system *tasker.SystemContainer,
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taskerClient *tasker.TaskerClient,
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js nats.JetStreamContext,
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) func(context.Context, *asynq.Task) error {
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return func(ctx context.Context, t *asynq.Task) error {
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var (
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p AccountPayload
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)
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if err := json.Unmarshal(t.Payload(), &p); err != nil {
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return err
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}
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lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
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if err != nil {
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return err
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}
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defer lock.Release(ctx)
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nonce, err := noncestore.Acquire(ctx, system.PublicKey)
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if err != nil {
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return err
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}
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input, err := system.Abis["mintTo"].EncodeArgs(w3.A(p.PublicKey), system.GiftableTokenValue)
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if err != nil {
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return err
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}
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// TODO: Review gas params.
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builtTx, err := celoProvider.SignContractExecutionTx(
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system.PrivateKey,
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celo.ContractExecutionTxOpts{
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ContractAddress: system.GiftableToken,
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InputData: input,
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GasPrice: big.NewInt(20000000000),
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GasLimit: system.TokenTransferGasLimit,
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Nonce: nonce,
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},
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)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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rawTx, err := builtTx.MarshalBinary()
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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id, err := pg.CreateOTX(ctx, store.OTX{
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TrackingId: p.TrackingId,
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Type: "GIFT_VOUCHER",
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RawTx: hexutil.Encode(rawTx),
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TxHash: builtTx.Hash().Hex(),
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From: system.PublicKey,
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Data: hexutil.Encode(builtTx.Data()),
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GasPrice: builtTx.GasPrice().Uint64(),
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Nonce: builtTx.Nonce(),
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})
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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disptachJobPayload, err := json.Marshal(TxPayload{
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OtxId: id,
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Tx: builtTx,
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})
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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_, err = taskerClient.CreateTask(
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tasker.TxDispatchTask,
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tasker.HighPriority,
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&tasker.Task{
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Payload: disptachJobPayload,
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},
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)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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eventPayload := &accountEventPayload{
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TrackingId: p.TrackingId,
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}
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eventJson, err := json.Marshal(eventPayload)
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if err != nil {
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return err
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}
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_, err = js.Publish("CUSTODIAL.giftNewAccountVoucher", eventJson)
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if err != nil {
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if err := noncestore.Return(ctx, system.PublicKey); err != nil {
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return err
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}
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return err
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}
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return nil
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}
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}
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// TODO: https://github.com/grassrootseconomics/cic-custodial/issues/43
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// TODO:
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func RefillGasProcessor(
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celoProvider *celo.Provider,
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nonceProvider nonce.Noncestore,
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lockProvider *redislock.Client,
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system *tasker.SystemContainer,
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taskerClient *tasker.TaskerClient,
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) func(context.Context, *asynq.Task) error {
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return func(ctx context.Context, t *asynq.Task) error {
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var (
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p AccountPayload
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balance big.Int
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)
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if err := json.Unmarshal(t.Payload(), &p); err != nil {
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return fmt.Errorf("json.Unmarshal failed: %v: %w", err, asynq.SkipRetry)
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}
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if err := celoProvider.Client.CallCtx(
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ctx,
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eth.Balance(w3.A(p.PublicKey), nil).Returns(&balance),
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); err != nil {
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return err
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}
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if belowThreshold := balance.Cmp(system.GasRefillThreshold); belowThreshold > 0 {
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return nil
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}
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lock, err := lockProvider.Obtain(ctx, system.LockPrefix+system.PublicKey, system.LockTimeout, nil)
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if err != nil {
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return err
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}
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defer lock.Release(ctx)
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nonce, err := nonceProvider.Acquire(ctx, system.PublicKey)
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if err != nil {
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return err
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}
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builtTx, err := celoProvider.SignGasTransferTx(
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system.PrivateKey,
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celo.GasTransferTxOpts{
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To: w3.A(p.PublicKey),
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Nonce: nonce,
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Value: system.GasRefillValue,
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GasPrice: celo.FixedMinGas,
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},
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)
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if err != nil {
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if err := nonceProvider.Return(ctx, p.PublicKey); err != nil {
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return err
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}
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return fmt.Errorf("nonce.Return failed: %v: %w", err, asynq.SkipRetry)
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}
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disptachJobPayload, err := json.Marshal(TxPayload{
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Tx: builtTx,
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})
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if err != nil {
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return fmt.Errorf("json.Marshal failed: %v: %w", err, asynq.SkipRetry)
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}
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_, err = taskerClient.CreateTask(
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tasker.TxDispatchTask,
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tasker.HighPriority,
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&tasker.Task{
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Payload: disptachJobPayload,
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},
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)
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if err != nil {
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return err
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}
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return nil
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}
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}
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