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Block peers below 3.1.0

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This commit is contained in:
CalDescent 2022-02-18 14:50:29 +00:00
parent d1a7e734dc
commit c90c3a183e
1 changed files with 9 additions and 0 deletions
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9
src/main/java/org/qortal/network/Handshake.java
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@ -74,6 +74,12 @@ public enum Handshake {
peer.setPeersConnectionTimestamp(peersConnectionTimestamp);
peer.setPeersVersion(versionString, version);
// Ensure the peer is running at least the version specified in MIN_PEER_VERSION
if (peer.isAtLeastVersion(MIN_PEER_VERSION) == false) {
LOGGER.debug(String.format("Ignoring peer %s because it is on an old version (%s)", peer, versionString));
return null;
}
if (Settings.getInstance().getAllowConnectionsWithOlderPeerVersions() == false) {
// Ensure the peer is running at least the minimum version allowed for connections
final String minPeerVersion = Settings.getInstance().getMinPeerVersion();
@ -258,6 +264,9 @@ public enum Handshake {
private static final long PEER_VERSION_131 = 0x0100030001L;
/** Minimum peer version that we are allowed to communicate with */
private static final String MIN_PEER_VERSION = "3.1.0";
private static final int POW_BUFFER_SIZE_PRE_131 = 8 * 1024 * 1024; // bytes
private static final int POW_DIFFICULTY_PRE_131 = 8; // leading zero bits
// Can always be made harder in the future...