+++ /dev/null
-// Copyright (c) 2013-2016 The btcsuite developers
-// Use of this source code is governed by an ISC
-// license that can be found in the LICENSE file.
-
-package wire
-
-import (
- "fmt"
- "io"
-
- "github.com/btcsuite/btcd/chaincfg/chainhash"
-)
-
-const (
- // MaxInvPerMsg is the maximum number of inventory vectors that can be in a
- // single bitcoin inv message.
- MaxInvPerMsg = 50000
-
- // Maximum payload size for an inventory vector.
- maxInvVectPayload = 4 + chainhash.HashSize
-
- // InvWitnessFlag denotes that the inventory vector type is requesting,
- // or sending a version which includes witness data.
- InvWitnessFlag = 1 << 30
-)
-
-// InvType represents the allowed types of inventory vectors. See InvVect.
-type InvType uint32
-
-// These constants define the various supported inventory vector types.
-const (
- InvTypeError InvType = 0
- InvTypeTx InvType = 1
- InvTypeBlock InvType = 2
- InvTypeFilteredBlock InvType = 3
- InvTypeWitnessBlock InvType = InvTypeBlock | InvWitnessFlag
- InvTypeWitnessTx InvType = InvTypeTx | InvWitnessFlag
- InvTypeFilteredWitnessBlock InvType = InvTypeFilteredBlock | InvWitnessFlag
-)
-
-// Map of service flags back to their constant names for pretty printing.
-var ivStrings = map[InvType]string{
- InvTypeError: "ERROR",
- InvTypeTx: "MSG_TX",
- InvTypeBlock: "MSG_BLOCK",
- InvTypeFilteredBlock: "MSG_FILTERED_BLOCK",
- InvTypeWitnessBlock: "MSG_WITNESS_BLOCK",
- InvTypeWitnessTx: "MSG_WITNESS_TX",
- InvTypeFilteredWitnessBlock: "MSG_FILTERED_WITNESS_BLOCK",
-}
-
-// String returns the InvType in human-readable form.
-func (invtype InvType) String() string {
- if s, ok := ivStrings[invtype]; ok {
- return s
- }
-
- return fmt.Sprintf("Unknown InvType (%d)", uint32(invtype))
-}
-
-// InvVect defines a bitcoin inventory vector which is used to describe data,
-// as specified by the Type field, that a peer wants, has, or does not have to
-// another peer.
-type InvVect struct {
- Type InvType // Type of data
- Hash chainhash.Hash // Hash of the data
-}
-
-// NewInvVect returns a new InvVect using the provided type and hash.
-func NewInvVect(typ InvType, hash *chainhash.Hash) *InvVect {
- return &InvVect{
- Type: typ,
- Hash: *hash,
- }
-}
-
-// readInvVect reads an encoded InvVect from r depending on the protocol
-// version.
-func readInvVect(r io.Reader, pver uint32, iv *InvVect) error {
- return readElements(r, &iv.Type, &iv.Hash)
-}
-
-// writeInvVect serializes an InvVect to w depending on the protocol version.
-func writeInvVect(w io.Writer, pver uint32, iv *InvVect) error {
- return writeElements(w, iv.Type, &iv.Hash)
-}