Module: Bitcoin::Network::MessageHandler
- Included in:
- Connection
- Defined in:
- lib/bitcoin/network/message_handler.rb
Overview
P2P message handler used by peer connection class.
Instance Method Summary collapse
-
#defer_handle_command(command, payload) ⇒ Object
handle command with EM#defer.
-
#handle(message) ⇒ Object
handle p2p message.
- #handle_command(command, payload) ⇒ Object
- #handshake_done ⇒ Object
- #on_addr(addr) ⇒ Object
- #on_block(block) ⇒ Object
- #on_cmpct_block(cmpct_block) ⇒ Object
- #on_fee_filter(fee_filter) ⇒ Object
- #on_get_addr ⇒ Object
- #on_get_data(get_data) ⇒ Object
- #on_get_headers(headers) ⇒ Object
- #on_headers(headers) ⇒ Object
- #on_inv(inv) ⇒ Object
- #on_mem_pool ⇒ Object
- #on_merkle_block(merkle_block) ⇒ Object
- #on_not_found(not_found) ⇒ Object
- #on_ping(ping) ⇒ Object
- #on_pong(pong) ⇒ Object
- #on_reject(reject) ⇒ Object
- #on_send_cmpct(cmpct) ⇒ Object
- #on_send_headers ⇒ Object
- #on_tx(tx) ⇒ Object
- #on_ver_ack ⇒ Object
- #on_version(version) ⇒ Object
- #parse(message) ⇒ Object
- #parse_header ⇒ Object
- #send_message(msg) ⇒ Object
Instance Method Details
#defer_handle_command(command, payload) ⇒ Object
handle command with EM#defer
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# File 'lib/bitcoin/network/message_handler.rb', line 47 def defer_handle_command(command, payload) operation = proc {handle_command(command, payload)} callback = proc{|result|} errback = proc{|e| logger.error("error occurred. #{e.message}") logger.error(e.backtrace) peer.handle_error(e) } EM.defer(operation, callback, errback) end |
#handle(message) ⇒ Object
handle p2p message.
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# File 'lib/bitcoin/network/message_handler.rb', line 10 def handle() peer.last_recv = Time.now.to_i peer.bytes_recv += .bytesize begin parse() rescue Bitcoin::Message::Error => e logger.error("invalid header magic. #{e.message}") close end end |
#handle_command(command, payload) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 58 def handle_command(command, payload) logger.info("[#{addr}] process command #{command}.") case command when Bitcoin::Message::Version::COMMAND on_version(Bitcoin::Message::Version.parse_from_payload(payload)) when Bitcoin::Message::VerAck::COMMAND on_ver_ack when Bitcoin::Message::GetAddr::COMMAND on_get_addr when Bitcoin::Message::Addr::COMMAND on_addr(Bitcoin::Message::Addr.parse_from_payload(payload)) when Bitcoin::Message::SendHeaders::COMMAND on_send_headers when Bitcoin::Message::FeeFilter::COMMAND on_fee_filter(Bitcoin::Message::FeeFilter.parse_from_payload(payload)) when Bitcoin::Message::Ping::COMMAND on_ping(Bitcoin::Message::Ping.parse_from_payload(payload)) when Bitcoin::Message::Pong::COMMAND on_pong(Bitcoin::Message::Pong.parse_from_payload(payload)) when Bitcoin::Message::GetHeaders::COMMAND on_get_headers(Bitcoin::Message::GetHeaders.parse_from_payload(payload)) when Bitcoin::Message::Headers::COMMAND on_headers(Bitcoin::Message::Headers.parse_from_payload(payload)) when Bitcoin::Message::Block::COMMAND on_block(Bitcoin::Message::Block.parse_from_payload(payload)) when Bitcoin::Message::Tx::COMMAND on_tx(Bitcoin::Message::Tx.parse_from_payload(payload)) when Bitcoin::Message::NotFound::COMMAND on_not_found(Bitcoin::Message::NotFound.parse_from_payload(payload)) when Bitcoin::Message::MemPool::COMMAND on_mem_pool when Bitcoin::Message::Reject::COMMAND on_reject(Bitcoin::Message::Reject.parse_from_payload(payload)) when Bitcoin::Message::SendCmpct::COMMAND on_send_cmpct(Bitcoin::Message::SendCmpct.parse_from_payload(payload)) when Bitcoin::Message::Inv::COMMAND on_inv(Bitcoin::Message::Inv.parse_from_payload(payload)) when Bitcoin::Message::MerkleBlock::COMMAND on_merkle_block(Bitcoin::Message::MerkleBlock.parse_from_payload(payload)) when Bitcoin::Message::CmpctBlock::COMMAND on_cmpct_block(Bitcoin::Message::CmpctBlock.parse_from_payload(payload)) when Bitcoin::Message::GetData::COMMAND on_get_data(Bitcoin::Message::GetData.parse_from_payload(payload)) else logger.warn("unsupported command received. command: #{command}, payload: #{payload.bth}") close("with command #{command}") end end |
#handshake_done ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 115 def handshake_done return unless @incomming_handshake && @outgoing_handshake logger.info 'handshake finished.' @connected = true post_handshake end |
#on_addr(addr) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 141 def on_addr(addr) logger.info("receive addr message. #{addr.build_json}") # TODO end |
#on_block(block) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 181 def on_block(block) logger.info('receive block message.') # TODO end |
#on_cmpct_block(cmpct_block) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 234 def on_cmpct_block(cmpct_block) logger.info("receive cmpct_block message. #{cmpct_block.build_json}") end |
#on_fee_filter(fee_filter) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 151 def on_fee_filter(fee_filter) logger.info("receive feefilter message. #{fee_filter.build_json}") @fee_rate = fee_filter.fee_rate end |
#on_get_addr ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 136 def on_get_addr logger.info('receive getaddr message.') peer.send_addrs end |
#on_get_data(get_data) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 238 def on_get_data(get_data) logger.info("receive get data message. #{get_data.build_json}") end |
#on_get_headers(headers) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 171 def on_get_headers(headers) logger.info('receive getheaders message.') # TODO end |
#on_headers(headers) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 176 def on_headers(headers) logger.info('receive headers message.') peer.handle_headers(headers) end |
#on_inv(inv) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 211 def on_inv(inv) logger.info('receive inv message.') blocks = [] txs = [] inv.inventories.each do |i| case i.identifier when Bitcoin::Message::Inventory::MSG_TX txs << i.hash when Bitcoin::Message::Inventory::MSG_BLOCK blocks << i.hash else logger.warn("[#{addr}] peer sent unknown inv type: #{i.identifier}") end end logger.info("receive block= #{blocks.size}, txs: #{txs.size}") peer.handle_block_inv(blocks) unless blocks.empty? end |
#on_mem_pool ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 196 def on_mem_pool logger.info('receive mempool message.') # TODO return mempool tx end |
#on_merkle_block(merkle_block) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 229 def on_merkle_block(merkle_block) logger.info("receive merkle block message. #{merkle_block.build_json}") peer.handle_merkle_block(merkle_block) end |
#on_not_found(not_found) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 191 def on_not_found(not_found) logger.info("receive notfound message. #{not_found.build_json}") # TODO end |
#on_ping(ping) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 156 def on_ping(ping) logger.info("receive ping message. #{ping.build_json}") (ping.to_response) end |
#on_pong(pong) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 161 def on_pong(pong) logger.info("receive pong message. #{pong.build_json}") if pong.nonce == peer.last_ping_nonce peer.last_ping_nonce = nil peer.last_pong = Time.now.to_i else logger.debug "The remote peer sent the wrong nonce (#{pong.nonce})." end end |
#on_reject(reject) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 201 def on_reject(reject) logger.warn("receive reject message. #{reject.build_json}") # TODO end |
#on_send_cmpct(cmpct) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 206 def on_send_cmpct(cmpct) logger.info("receive sendcmpct message. #{cmpct.build_json}") # TODO if mode is high and version is 1, relay block with cmpctblock message end |
#on_send_headers ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 146 def on_send_headers logger.info('receive sendheaders message.') @sendheaders = true end |
#on_tx(tx) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 186 def on_tx(tx) logger.info("receive tx message. #{tx.build_json}") peer.handle_tx(tx) end |
#on_ver_ack ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 130 def on_ver_ack logger.info('receive verack message.') @outgoing_handshake = true handshake_done end |
#on_version(version) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 122 def on_version(version) logger.info("receive version message. #{version.build_json}") @version = version (Bitcoin::Message::VerAck.new) @incomming_handshake = true handshake_done end |
#parse(message) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 21 def parse() += command, payload, rest = parse_header return unless command defer_handle_command(command, payload) = "" parse(rest) if rest && rest.bytesize > 0 end |
#parse_header ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 31 def parse_header head_magic = Bitcoin.chain_params.magic_head return if .nil? || .size < MESSAGE_HEADER_SIZE magic, command, length, checksum = .unpack('a4A12Va4') raise Bitcoin::Message::Error, "invalid header magic. #{magic.bth}" unless magic.bth == head_magic payload = [MESSAGE_HEADER_SIZE...(MESSAGE_HEADER_SIZE + length)] return if payload.size < length raise Bitcoin::Message::Error, "header checksum mismatch. #{checksum.bth}" unless Bitcoin.double_sha256(payload)[0...4] == checksum rest = [(MESSAGE_HEADER_SIZE + length)..-1] [command, payload, rest] end |
#send_message(msg) ⇒ Object
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# File 'lib/bitcoin/network/message_handler.rb', line 107 def (msg) logger.info "send message #{msg.class::COMMAND}" pkt = msg.to_pkt peer.last_send = Time.now.to_i peer.bytes_sent = pkt.bytesize send_data(pkt) end |