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// Copyright 2015 Stellar Development Foundation and contributors. Licensed
// under the Apache License, Version 2.0. See the COPYING file at the root
// of this distribution or at http://www.apache.org/licenses/LICENSE-2.0
%#include "xdr/Stellar-ledger.h"
namespace stellar
{
enum ErrorCode
{
ERR_MISC = 0, // Unspecific error
ERR_DATA = 1, // Malformed data
ERR_CONF = 2, // Misconfiguration error
ERR_AUTH = 3, // Authentication failure
ERR_LOAD = 4 // System overloaded
};
struct Error
{
ErrorCode code;
string msg<100>;
};
struct AuthCert
{
Curve25519Public pubkey;
uint64 expiration;
Signature sig;
};
struct Hello
{
uint32 ledgerVersion;
uint32 overlayVersion;
uint32 overlayMinVersion;
Hash networkID;
string versionStr<100>;
int listeningPort;
NodeID peerID;
AuthCert cert;
uint256 nonce;
};
struct Auth
{
// Empty message, just to confirm
// establishment of MAC keys.
int unused;
};
enum IPAddrType
{
IPv4 = 0,
IPv6 = 1
};
struct PeerAddress
{
union switch (IPAddrType type)
{
case IPv4:
opaque ipv4[4];
case IPv6:
opaque ipv6[16];
}
ip;
uint32 port;
uint32 numFailures;
};
enum MessageType
{
ERROR_MSG = 0,
AUTH = 2,
DONT_HAVE = 3,
GET_PEERS = 4, // gets a list of peers this guy knows about
PEERS = 5,
GET_TX_SET = 6, // gets a particular txset by hash
TX_SET = 7,
TRANSACTION = 8, // pass on a tx you have heard about
// SCP
GET_SCP_QUORUMSET = 9,
SCP_QUORUMSET = 10,
SCP_MESSAGE = 11,
GET_SCP_STATE = 12,
// new messages
HELLO = 13
};
struct DontHave
{
MessageType type;
uint256 reqHash;
};
union StellarMessage switch (MessageType type)
{
case ERROR_MSG:
Error error;
case HELLO:
Hello hello;
case AUTH:
Auth auth;
case DONT_HAVE:
DontHave dontHave;
case GET_PEERS:
void;
case PEERS:
PeerAddress peers<100>;
case GET_TX_SET:
uint256 txSetHash;
case TX_SET:
TransactionSet txSet;
case TRANSACTION:
TransactionEnvelope transaction;
// SCP
case GET_SCP_QUORUMSET:
uint256 qSetHash;
case SCP_QUORUMSET:
SCPQuorumSet qSet;
case SCP_MESSAGE:
SCPEnvelope envelope;
case GET_SCP_STATE:
uint32 getSCPLedgerSeq; // ledger seq requested ; if 0, requests the latest
};
union AuthenticatedMessage switch (uint32 v)
{
case 0:
struct
{
uint64 sequence;
StellarMessage message;
HmacSha256Mac mac;
} v0;
};
}
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