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package mempool
import (
"crypto/sha256"
"github.com/tendermint/tendermint/p2p"
"github.com/tendermint/tendermint/types"
)
// TxKeySize defines the size of the transaction's key used for indexing.
const TxKeySize = sha256.Size
// TxKey is the fixed length array key used as an index.
func TxKey(tx types.Tx) [TxKeySize]byte {
return sha256.Sum256(tx)
}
// TxHashFromBytes returns the hash of a transaction from raw bytes.
func TxHashFromBytes(tx []byte) []byte {
return types.Tx(tx).Hash()
}
// TxInfo are parameters that get passed when attempting to add a tx to the
// mempool.
type TxInfo struct {
// SenderID is the internal peer ID used in the mempool to identify the
// sender, storing two bytes with each transaction instead of 20 bytes for
// the p2p.NodeID.
SenderID uint16
// SenderNodeID is the actual p2p.NodeID of the sender.
SenderNodeID p2p.NodeID
}