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fix(noncestore): return nonce incase of task failure

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* Return must complete successfully else a nonce gap could form.
* TODO: add tests for Return
* closes#18
This commit is contained in:
Mohamed Sohail 2022-10-26 09:21:47 +00:00
parent 1bc8d65016
commit 24c81aaee2
Signed by: kamikazechaser
GPG Key ID: 7DD45520C01CD85D
3 changed files with 14 additions and 10 deletions
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2
internal/noncestore/noncestore.go
View File

@ -6,7 +6,7 @@ import "context"
type Noncestore interface {
Peek(context.Context, string) (uint64, error)
Acquire(context.Context, string) (uint64, error)
Return(context.Context, string) (uint64, error)
Return(context.Context, string) error
SyncNetworkNonce(context.Context, string) (uint64, error)
SetNewAccountNonce(context.Context, string) error
}

13
internal/noncestore/providers/redis/redis.go
View File

@ -8,7 +8,6 @@ import (
"github.com/grassrootseconomics/cic-go-sdk/chain"
"github.com/lmittmann/w3"
"github.com/lmittmann/w3/module/eth"
"github.com/zerodha/logf"
)
// Opts represents the Redis nonce store specific params
@ -18,14 +17,12 @@ type Opts struct {
MinIdleConns int
PoolSize int
ChainProvider *chain.Provider
Lo logf.Logger
}
// RedisNoncestore implements `noncestore.Noncestore`
type RedisNoncestore struct {
chainProvider *chain.Provider
redis *redis.Client
lo logf.Logger
}
func NewRedisNoncestore(o Opts) (noncestore.Noncestore, error) {
@ -43,7 +40,6 @@ func NewRedisNoncestore(o Opts) (noncestore.Noncestore, error) {
return &RedisNoncestore{
redis: redisClient,
chainProvider: o.ChainProvider,
lo: o.Lo,
}, nil
}
@ -81,20 +77,20 @@ func (ns *RedisNoncestore) Acquire(ctx context.Context, publicKey string) (uint6
return nonce, nil
}
func (ns *RedisNoncestore) Return(ctx context.Context, publicKey string) (uint64, error) {
func (ns *RedisNoncestore) Return(ctx context.Context, publicKey string) error {
nonce, err := ns.redis.Get(ctx, publicKey).Uint64()
if err != nil {
return 0, err
return err
}
if nonce > 0 {
err = ns.redis.Decr(ctx, publicKey).Err()
if err != nil {
return 0, err
return err
}
}
return nonce, nil
return nil
}
func (ns *RedisNoncestore) SyncNetworkNonce(ctx context.Context, publicKey string) (uint64, error) {
@ -121,7 +117,6 @@ func (ns *RedisNoncestore) SyncNetworkNonce(ctx context.Context, publicKey strin
func (ns *RedisNoncestore) SetNewAccountNonce(ctx context.Context, publicKey string) error {
err := ns.redis.Set(ctx, publicKey, 0, 0).Err()
if err != nil {
ns.lo.Error("noncestore", "err", err)
return err
}

9
internal/tasker/server/registration.go
View File

@ -62,6 +62,9 @@ func (tp *TaskerProcessor) giftGasProcessor(ctx context.Context, t *asynq.Task)
Nonce: nonce,
}, big.NewInt(initialGiftGasValue))
if err != nil {
if err := tp.Noncestore.Return(ctx, p.PublicKey); err != nil {
return err
}
return err
}
@ -69,11 +72,17 @@ func (tp *TaskerProcessor) giftGasProcessor(ctx context.Context, t *asynq.Task)
Tx: builtTx,
}, client.TxDispatchTask)
if err != nil {
if err := tp.Noncestore.Return(ctx, p.PublicKey); err != nil {
return err
}
return err
}
_, err = tp.TaskerClient.CreateRegistrationTask(p, client.ActivateAccountTask)
if err != nil {
if err := tp.Noncestore.Return(ctx, p.PublicKey); err != nil {
return err
}
return err
}