6 #ifndef BITCOIN_PROTOCOL_H
7 #define BITCOIN_PROTOCOL_H
76 extern const char*
ADDR;
93 extern const char*
INV;
118 extern const char*
TX;
128 extern const char*
BLOCK;
145 extern const char*
PING;
151 extern const char*
PONG;
333 static constexpr std::chrono::seconds
TIME_INIT{100000000};
389 if (stored_format_version == 0) {
395 throw std::ios_base::failure(
"Unsupported CAddress disk format version");
408 uint64_t services_tmp;
409 SER_WRITE(obj, services_tmp = obj.nServices);
417 READWRITE(ser_params(AsBase<CService>(obj)));
A CService with information about it as peer.
static constexpr uint32_t DISK_VERSION_IGNORE_MASK
CAddress(CService ipIn, ServiceFlags nServicesIn, NodeSeconds time)
ServiceFlags nServices
Serialized as uint64_t in V1, and as CompactSize in V2.
static constexpr SerParams V1_NETWORK
NodeSeconds nTime
Always included in serialization. The behavior is unspecified if the value is not representable as ui...
static constexpr uint32_t DISK_VERSION_INIT
Historically, CAddress disk serialization stored the CLIENT_VERSION, optionally OR'ed with the ADDRV2...
static constexpr SerParams V2_NETWORK
friend bool operator==(const CAddress &a, const CAddress &b)
static constexpr SerParams V1_DISK
SERIALIZE_METHODS_PARAMS(CAddress, obj, SerParams, params)
CAddress(CService ipIn, ServiceFlags nServicesIn)
static constexpr std::chrono::seconds TIME_INIT
static constexpr uint32_t DISK_VERSION_ADDRV2
The version number written in disk serialized addresses to indicate V2 serializations.
static constexpr SerParams V2_DISK
bool IsMsgCmpctBlk() const
friend bool operator<(const CInv &a, const CInv &b)
std::string ToString() const
std::string GetCommand() const
bool IsMsgFilteredBlk() const
SERIALIZE_METHODS(CInv, obj)
bool IsMsgWitnessBlk() const
static constexpr SerParams V1
static constexpr SerParams V2
A combination of a network address (CNetAddr) and a (TCP) port.
A generic txid reference (txid or wtxid).
std::array< uint8_t, 4 > MessageStartChars
Bitcoin protocol message types.
const char * FILTERLOAD
The filterload message tells the receiving peer to filter all relayed transactions and requested merk...
const char * CFHEADERS
cfheaders is a response to a getcfheaders request containing a filter header and a vector of filter h...
const char * CFILTER
cfilter is a response to a getcfilters request containing a single compact filter.
const char * BLOCK
The block message transmits a single serialized block.
const char * FILTERCLEAR
The filterclear message tells the receiving peer to remove a previously-set bloom filter.
const char * HEADERS
The headers message sends one or more block headers to a node which previously requested certain head...
const char * ADDRV2
The addrv2 message relays connection information for peers on the network just like the addr message,...
const char * SENDHEADERS
Indicates that a node prefers to receive new block announcements via a "headers" message rather than ...
const char * PONG
The pong message replies to a ping message, proving to the pinging node that the ponging node is stil...
const char * SENDCMPCT
Contains a 1-byte bool and 8-byte LE version number.
const char * GETADDR
The getaddr message requests an addr message from the receiving node, preferably one with lots of IP ...
const char * GETCFCHECKPT
getcfcheckpt requests evenly spaced compact filter headers, enabling parallelized download and valida...
const char * NOTFOUND
The notfound message is a reply to a getdata message which requested an object the receiving node doe...
const char * CMPCTBLOCK
Contains a CBlockHeaderAndShortTxIDs object - providing a header and list of "short txids".
const char * SENDTXRCNCL
Contains a 4-byte version number and an 8-byte salt.
const char * MEMPOOL
The mempool message requests the TXIDs of transactions that the receiving node has verified as valid ...
const char * GETCFILTERS
getcfilters requests compact filters for a range of blocks.
const char * TX
The tx message transmits a single transaction.
const char * FILTERADD
The filteradd message tells the receiving peer to add a single element to a previously-set bloom filt...
const char * ADDR
The addr (IP address) message relays connection information for peers on the network.
const char * VERSION
The version message provides information about the transmitting node to the receiving node at the beg...
const char * GETBLOCKS
The getblocks message requests an inv message that provides block header hashes starting from a parti...
const char * FEEFILTER
The feefilter message tells the receiving peer not to inv us any txs which do not meet the specified ...
const char * GETHEADERS
The getheaders message requests a headers message that provides block headers starting from a particu...
const char * GETDATA
The getdata message requests one or more data objects from another node.
const char * VERACK
The verack message acknowledges a previously-received version message, informing the connecting node ...
const char * BLOCKTXN
Contains a BlockTransactions.
const char * GETCFHEADERS
getcfheaders requests a compact filter header and the filter hashes for a range of blocks,...
const char * SENDADDRV2
The sendaddrv2 message signals support for receiving ADDRV2 messages (BIP155).
const char * WTXIDRELAY
Indicates that a node prefers to relay transactions via wtxid, rather than txid.
const char * PING
The ping message is sent periodically to help confirm that the receiving peer is still connected.
const char * MERKLEBLOCK
The merkleblock message is a reply to a getdata message which requested a block using the inventory t...
const char * CFCHECKPT
cfcheckpt is a response to a getcfcheckpt request containing a vector of evenly spaced filter headers...
const char * GETBLOCKTXN
Contains a BlockTransactionsRequest Peer should respond with "blocktxn" message.
const char * INV
The inv message (inventory message) transmits one or more inventories of objects known to the transmi...
GenTxid ToGenTxid(const CInv &inv)
Convert a TX/WITNESS_TX/WTX CInv to a GenTxid.
const std::vector< std::string > & getAllNetMessageTypes()
const uint32_t MSG_WITNESS_FLAG
getdata message type flags
const uint32_t MSG_TYPE_MASK
std::vector< std::string > serviceFlagsToStr(uint64_t flags)
Convert service flags (a bitmask of NODE_*) to human readable strings.
constexpr ServiceFlags SeedsServiceFlags()
State independent service flags.
GetDataMsg
getdata / inv message types.
@ MSG_FILTERED_BLOCK
Defined in BIP37.
@ MSG_WTX
Defined in BIP 339.
@ MSG_CMPCT_BLOCK
Defined in BIP152.
@ MSG_WITNESS_BLOCK
Defined in BIP144.
@ MSG_WITNESS_TX
Defined in BIP144.
ServiceFlags
nServices flags
static bool MayHaveUsefulAddressDB(ServiceFlags services)
Checks if a peer with the given service flags may be capable of having a robust address-storage DB.
#define SER_WRITE(obj, code)
static Wrapper< Formatter, T & > Using(T &&t)
Cause serialization/deserialization of an object to be done using a specified formatter class.
#define SER_READ(obj, code)
#define SER_PARAMS_OPFUNC
Helper macro for SerParams structs.
std::chrono::time_point< NodeClock, std::chrono::seconds > NodeSeconds