cic-custodial/internal/nonce/redis.go

102 lines
2.0 KiB
Go
Raw Normal View History

2022-11-30 10:51:24 +01:00
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
}