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feat: nonce (sequence number) based mempool (#13645)
simple default mempool implementation Co-authored-by: Jeancarlo <jeancarlobarrios@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,31 +1,41 @@ | ||
| package types | ||
| package mempool | ||
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| // MempoolTx we define an app-side mempool transaction interface that is as | ||
| import ( | ||
| "errors" | ||
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| "github.com/cosmos/cosmos-sdk/types" | ||
| ) | ||
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| // Tx defines an app-side mempool transaction interface that is as | ||
| // minimal as possible, only requiring applications to define the size of the | ||
| // transaction to be used when reaping and getting the transaction itself. | ||
| // transaction to be used when inserting, selecting, and deleting the transaction. | ||
| // Interface type casting can be used in the actual app-side mempool implementation. | ||
| type MempoolTx interface { | ||
| Tx | ||
| type Tx interface { | ||
| types.Tx | ||
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| // Size returns the size of the transaction in bytes. | ||
| Size() int | ||
| Size() int64 | ||
| } | ||
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| type Mempool interface { | ||
| // Insert attempts to insert a MempoolTx into the app-side mempool returning | ||
| // Insert attempts to insert a Tx into the app-side mempool returning | ||
| // an error upon failure. | ||
| Insert(Context, MempoolTx) error | ||
| Insert(types.Context, Tx) error | ||
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| // Select returns the next set of available transactions from the app-side | ||
| // mempool, up to maxBytes or until the mempool is empty. The application can | ||
| // decide to return transactions from its own mempool, from the incoming | ||
| // txs, or some combination of both. | ||
| Select(ctx Context, txs [][]byte, maxBytes int) ([]MempoolTx, error) | ||
| Select(txs [][]byte, maxBytes int64) ([]Tx, error) | ||
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| // CountTx returns the number of transactions currently in the mempool. | ||
| CountTx() int | ||
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| // Remove attempts to remove a transaction from the mempool, returning an error | ||
| // upon failure. | ||
| Remove(Context, MempoolTx) error | ||
| Remove(Tx) error | ||
| } | ||
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| var ErrTxNotFound = errors.New("tx not found in mempool") | ||
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| type Factory func() Mempool |
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