mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2025-01-05 10:32:19 +00:00
82 lines
3.0 KiB
Go
82 lines
3.0 KiB
Go
/*
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Copyright 2022 Erigon-Lightclient contributors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package handlers
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import (
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"github.com/ledgerwatch/erigon/cl/clparams"
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"github.com/ledgerwatch/erigon/cl/cltypes"
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"github.com/ledgerwatch/erigon/cl/sentinel/communication/ssz_snappy"
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"github.com/libp2p/go-libp2p/core/network"
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)
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// Type safe handlers which all have access to the original stream & decompressed data.
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// Since packets are just structs, they can be resent with no issue
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func (c *ConsensusHandlers) pingHandler(s network.Stream) error {
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peerId := s.Conn().RemotePeer().String()
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if err := c.checkRateLimit(peerId, "ping", rateLimits.pingLimit); err != nil {
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ssz_snappy.EncodeAndWrite(s, &emptyString{}, RateLimitedPrefix)
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return err
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}
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return ssz_snappy.EncodeAndWrite(s, &cltypes.Ping{
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Id: c.metadata.SeqNumber,
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}, SuccessfulResponsePrefix)
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}
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func (c *ConsensusHandlers) goodbyeHandler(s network.Stream) error {
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peerId := s.Conn().RemotePeer().String()
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if err := c.checkRateLimit(peerId, "goodbye", rateLimits.goodbyeLimit); err != nil {
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ssz_snappy.EncodeAndWrite(s, &emptyString{}, RateLimitedPrefix)
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return err
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}
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return ssz_snappy.EncodeAndWrite(s, &cltypes.Ping{
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Id: 1,
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}, SuccessfulResponsePrefix)
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}
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func (c *ConsensusHandlers) metadataV1Handler(s network.Stream) error {
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peerId := s.Conn().RemotePeer().String()
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if err := c.checkRateLimit(peerId, "metadataV1", rateLimits.metadataV1Limit); err != nil {
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ssz_snappy.EncodeAndWrite(s, &emptyString{}, RateLimitedPrefix)
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return err
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}
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return ssz_snappy.EncodeAndWrite(s, &cltypes.Metadata{
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SeqNumber: c.metadata.SeqNumber,
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Attnets: c.metadata.Attnets,
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}, SuccessfulResponsePrefix)
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}
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func (c *ConsensusHandlers) metadataV2Handler(s network.Stream) error {
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peerId := s.Conn().RemotePeer().String()
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if err := c.checkRateLimit(peerId, "metadataV2", rateLimits.metadataV2Limit); err != nil {
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ssz_snappy.EncodeAndWrite(s, &emptyString{}, RateLimitedPrefix)
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return err
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}
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return ssz_snappy.EncodeAndWrite(s, c.metadata, SuccessfulResponsePrefix)
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}
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// TODO: Actually respond with proper status
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func (c *ConsensusHandlers) statusHandler(s network.Stream) error {
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peerId := s.Conn().RemotePeer().String()
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if err := c.checkRateLimit(peerId, "status", rateLimits.statusLimit); err != nil {
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ssz_snappy.EncodeAndWrite(s, &emptyString{}, RateLimitedPrefix)
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return err
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}
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status := &cltypes.Status{}
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if err := ssz_snappy.DecodeAndReadNoForkDigest(s, status, clparams.Phase0Version); err != nil {
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return err
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}
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return ssz_snappy.EncodeAndWrite(s, status, SuccessfulResponsePrefix)
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}
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