54 lines
1.5 KiB
Go
54 lines
1.5 KiB
Go
// Copyright (c) 2014-2015 The btcsuite developers
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// Copyright (c) 2016 The Decred developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package mining
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import (
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"time"
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"github.com/decred/dcrd/blockchain/stake"
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"github.com/decred/dcrd/chaincfg/chainhash"
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"github.com/decred/dcrutil"
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)
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// TxDesc is a descriptor about a transaction in a transaction source along with
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// additional metadata.
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type TxDesc struct {
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// Tx is the transaction associated with the entry.
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Tx *dcrutil.Tx
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// Type is the type of the transaction associated with the entry.
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Type stake.TxType
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// Added is the time when the entry was added to the source pool.
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Added time.Time
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// Height is the block height when the entry was added to the the source
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// pool.
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Height int64
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// Fee is the total fee the transaction associated with the entry pays.
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Fee int64
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}
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// TxSource represents a source of transactions to consider for inclusion in
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// new blocks.
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//
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// The interface contract requires that all of these methods are safe for
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// concurrent access with respect to the source.
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type TxSource interface {
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// LastUpdated returns the last time a transaction was added to or
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// removed from the source pool.
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LastUpdated() time.Time
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// MiningDescs returns a slice of mining descriptors for all the
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// transactions in the source pool.
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MiningDescs() []*TxDesc
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// HaveTransaction returns whether or not the passed transaction hash
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// exists in the source pool.
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HaveTransaction(hash *chainhash.Hash) bool
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}
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