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Merge pull request #208 from kcalvinalvin/2024-11-01-update-mempool-f…
…rom-btcd mempool, btcd, btcjson, rpcclient: pull in mempool PRs from btcd
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package mempool | ||
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| import ( | ||
| "time" | ||
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| "github.com/utreexo/utreexod/btcjson" | ||
| "github.com/utreexo/utreexod/btcutil" | ||
| "github.com/utreexo/utreexod/chaincfg/chainhash" | ||
| "github.com/utreexo/utreexod/wire" | ||
| ) | ||
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| // TxMempool defines an interface that's used by other subsystems to interact | ||
| // with the mempool. | ||
| type TxMempool interface { | ||
| // LastUpdated returns the last time a transaction was added to or | ||
| // removed from the source pool. | ||
| LastUpdated() time.Time | ||
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| // TxDescs returns a slice of descriptors for all the transactions in | ||
| // the pool. | ||
| TxDescs() []*TxDesc | ||
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| // RawMempoolVerbose returns all the entries in the mempool as a fully | ||
| // populated btcjson result. | ||
| RawMempoolVerbose() map[string]*btcjson.GetRawMempoolVerboseResult | ||
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| // Count returns the number of transactions in the main pool. It does | ||
| // not include the orphan pool. | ||
| Count() int | ||
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| // FetchTransaction returns the requested transaction from the | ||
| // transaction pool. This only fetches from the main transaction pool | ||
| // and does not include orphans. | ||
| FetchTransaction(txHash *chainhash.Hash) (*btcutil.Tx, error) | ||
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| // HaveTransaction returns whether or not the passed transaction | ||
| // already exists in the main pool or in the orphan pool. | ||
| HaveTransaction(hash *chainhash.Hash) bool | ||
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| // ProcessTransaction is the main workhorse for handling insertion of | ||
| // new free-standing transactions into the memory pool. It includes | ||
| // functionality such as rejecting duplicate transactions, ensuring | ||
| // transactions follow all rules, orphan transaction handling, and | ||
| // insertion into the memory pool. | ||
| // | ||
| // It returns a slice of transactions added to the mempool. When the | ||
| // error is nil, the list will include the passed transaction itself | ||
| // along with any additional orphan transactions that were added as a | ||
| // result of the passed one being accepted. | ||
| ProcessTransaction(tx *btcutil.Tx, allowOrphan, | ||
| rateLimit bool, tag Tag) ([]*TxDesc, error) | ||
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| // RemoveTransaction removes the passed transaction from the mempool. | ||
| // When the removeRedeemers flag is set, any transactions that redeem | ||
| // outputs from the removed transaction will also be removed | ||
| // recursively from the mempool, as they would otherwise become | ||
| // orphans. | ||
| RemoveTransaction(tx *btcutil.Tx, removeRedeemers bool) | ||
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| // CheckMempoolAcceptance behaves similarly to bitcoind's | ||
| // `testmempoolaccept` RPC method. It will perform a series of checks | ||
| // to decide whether this transaction can be accepted to the mempool. | ||
| // If not, the specific error is returned and the caller needs to take | ||
| // actions based on it. | ||
| CheckMempoolAcceptance(tx *btcutil.Tx) (*MempoolAcceptResult, error) | ||
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| // CheckSpend checks whether the passed outpoint is already spent by | ||
| // a transaction in the mempool. If that's the case the spending | ||
| // transaction will be returned, if not nil will be returned. | ||
| CheckSpend(op wire.OutPoint) *btcutil.Tx | ||
| } |
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