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mempool: introduce KeepInvalidTxsInCache config option (#5813)

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When set to true, an invalid transaction will be kept in the cache (this may help some applications to protect against spam).

NOTE: this is a temporary config option. The more correct solution would be to add a TTL to each transaction (i.e. CheckTx may return a TTL in ResponseCheckTx).

Closes: #5751
This commit is contained in:
Anton Kaliaev
2020-12-21 20:29:14 +04:00
parent 9f0d71e81f
commit dc90cf60d5
6 changed files with 79 additions and 6 deletions
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config/config.go
+4
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@@ -656,6 +656,10 @@ type MempoolConfig struct {
MaxTxsBytes int64 `mapstructure:"max_txs_bytes"`
// Size of the cache (used to filter transactions we saw earlier) in transactions
CacheSize int `mapstructure:"cache_size"`
// Do not remove invalid transactions from the cache (default: false)
// Set to true if it's not possible for any invalid transaction to become
// valid again in the future.
KeepInvalidTxsInCache bool `mapstructure:"keep-invalid-txs-in-cache"`
// Maximum size of a single transaction
// NOTE: the max size of a tx transmitted over the network is {max_tx_bytes}.
MaxTxBytes int `mapstructure:"max_tx_bytes"`
config/toml.go
+5
View File
@@ -329,6 +329,11 @@ max_txs_bytes = {{ .Mempool.MaxTxsBytes }}
# Size of the cache (used to filter transactions we saw earlier) in transactions
cache_size = {{ .Mempool.CacheSize }}
# Do not remove invalid transactions from the cache (default: false)
# Set to true if it's not possible for any invalid transaction to become valid
# again in the future.
keep-invalid-txs-in-cache = {{ .Mempool.KeepInvalidTxsInCache }}
# Maximum size of a single transaction.
# NOTE: the max size of a tx transmitted over the network is {max_tx_bytes}.
max_tx_bytes = {{ .Mempool.MaxTxBytes }}