102 lines
2.0 KiB
Go
102 lines
2.0 KiB
Go
package nonce
|
|
|
|
import (
|
|
"context"
|
|
|
|
celo "github.com/grassrootseconomics/cic-celo-sdk"
|
|
redispool "github.com/grassrootseconomics/cic-custodial/pkg/redis"
|
|
"github.com/grassrootseconomics/w3-celo-patch"
|
|
"github.com/grassrootseconomics/w3-celo-patch/module/eth"
|
|
)
|
|
|
|
type Opts struct {
|
|
RedisPool *redispool.RedisPool
|
|
ChainProvider *celo.Provider
|
|
}
|
|
|
|
// RedisNoncestore implements `Noncestore`
|
|
type RedisNoncestore struct {
|
|
chainProvider *celo.Provider
|
|
redis *redispool.RedisPool
|
|
}
|
|
|
|
func NewRedisNoncestore(o Opts) Noncestore {
|
|
return &RedisNoncestore{
|
|
redis: o.RedisPool,
|
|
chainProvider: o.ChainProvider,
|
|
}
|
|
}
|
|
|
|
func (n *RedisNoncestore) Peek(ctx context.Context, publicKey string) (uint64, error) {
|
|
nonce, err := n.redis.Client.Get(ctx, publicKey).Uint64()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return nonce, nil
|
|
}
|
|
|
|
func (n *RedisNoncestore) Acquire(ctx context.Context, publicKey string) (uint64, error) {
|
|
var (
|
|
nonce uint64
|
|
)
|
|
|
|
nonce, err := n.redis.Client.Get(ctx, publicKey).Uint64()
|
|
if err != nil {
|
|
return 0, nil
|
|
}
|
|
|
|
err = n.redis.Client.Incr(ctx, publicKey).Err()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return nonce, nil
|
|
}
|
|
|
|
func (n *RedisNoncestore) Return(ctx context.Context, publicKey string) error {
|
|
nonce, err := n.redis.Client.Get(ctx, publicKey).Uint64()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if nonce > 0 {
|
|
err = n.redis.Client.Decr(ctx, publicKey).Err()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (n *RedisNoncestore) SyncNetworkNonce(ctx context.Context, publicKey string) (uint64, error) {
|
|
var (
|
|
networkNonce uint64
|
|
)
|
|
|
|
err := n.chainProvider.Client.CallCtx(
|
|
ctx,
|
|
eth.Nonce(w3.A(publicKey), nil).Returns(&networkNonce),
|
|
)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
err = n.redis.Client.Set(ctx, publicKey, networkNonce, 0).Err()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return networkNonce, nil
|
|
}
|
|
|
|
func (n *RedisNoncestore) SetNewAccountNonce(ctx context.Context, publicKey string) error {
|
|
err := n.redis.Client.Set(ctx, publicKey, 0, 0).Err()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|