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font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; background-color: #ffffff; white-space: nowrap; "><font color="#ff0000">error</font></div></div></div></foreignObject><text x="508" y="513" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">error</text></switch></g><rect x="281" y="304" width="160" height="160" rx="24" ry="24" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 158px; height: 1px; padding-top: 384px; margin-left: 283px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px">devp2p:dpt</b></span></div><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px"><br style="font-size: 12px" /></b></span></div><font color="#0000ff" style="font-size: 12px"> </font><font style="font-size: 12px">DPT (EventEmitter)<br style="font-size: 12px" /></font><br style="font-size: 12px" /><font color="#0000ff" style="font-size: 12px"> bootstrap()</font> <b style="font-size: 12px ; background-color: rgb(255 , 255 , 0)">(1)</b><br style="font-size: 12px" /><font color="#0000ff" style="font-size: 12px"> addPeer()</font> <span style="font-weight: bold ; font-size: 12px ; background-color: rgb(255 , 255 , 0)">(2)</span><br style="font-size: 12px" /><br style="font-size: 12px" /><span style="background-color: rgb(255 , 255 , 255)"><font color="#ff3333"> ping   →</font>  <font color="#0000ff" style="font-size: 12px">_onKBucketPing</font><br style="font-size: 12px" /><font color="#ff3333" style="font-size: 12px"> peers </font><font color="#ff3333">→</font>  <font color="#0000ff" style="font-size: 12px">_onServerPeers<br style="font-size: 12px" /></font></span>                  <font color="#0000ff">→ addPeer()</font></div></div></div></foreignObject><text x="283" y="388" fill="#000000" font-family="Helvetica" font-size="12px">devp2p:dpt...</text></switch></g><path d="M 371 224 L 371 297.63" fill="none" stroke="#ff0000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 371 302.88 L 367.5 295.88 L 371 297.63 L 374.5 295.88 Z" fill="#ff0000" stroke="#ff0000" stroke-miterlimit="10" pointer-events="all"/><path d="M 281 157 L 160 157 L 161 154.5" fill="none" stroke="#000000" stroke-miterlimit="10" stroke-dasharray="3 3" pointer-events="stroke"/><rect x="281" y="114" width="160" height="110" rx="16.5" 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color="#0000ff">add()</font> <b style="background-color: rgb(255 , 255 , 0)">(5)</b></div><div style="text-align: left"><span><font color="#0000ff">get()</font></span></div></div></div></div></foreignObject><text x="361" y="173" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">KBucket (EventEmitter)...</text></switch></g><rect x="371" y="234" width="60" height="50" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 259px; margin-left: 401px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="text-align: left"><span><font color="#ff0000">added</font></span></div><div style="text-align: left"><span><font color="#ff0000">removed</font></span></div><div style="text-align: left"><span><font color="#ff0000">ping</font></span></div></div></div></div></foreignObject><text x="401" y="263" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">added...</text></switch></g><path d="M 371 554 L 371 470.37" fill="none" stroke="#ff0000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 371 465.12 L 374.5 472.12 L 371 470.37 L 367.5 472.12 Z" fill="#ff0000" stroke="#ff0000" stroke-miterlimit="10" pointer-events="all"/><rect x="281" y="554" width="160" height="160" rx="24" ry="24" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 158px; height: 1px; padding-top: 634px; margin-left: 283px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div><b>             devp2p:dpt:server</b><br /></div><div style="text-align: right"><br /></div><div><span>  Server (EventEmitter)</span><br /></div><div>   - <font color="#0000ff">socket</font></div><div><font color="#0000ff"><br /></font></div> handles:<br /><font color="#0000ff">   ping (</font><span style="color: rgb(0 , 0 , 255)">→ pong) </span><b style="background-color: rgb(255 , 255 , 0)">(3)</b><br /><font color="#0000ff">   pong<br /></font>   <font color="#0000ff">findNeighbors<br />   neighbors</font></div></div></div></foreignObject><text x="283" y="638" fill="#000000" font-family="Helvetica" font-size="12px">devp2p:dpt:se...</text></switch></g><rect x="371" y="479" width="60" height="60" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 509px; margin-left: 401px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="text-align: left"><font color="#ff0000">listening</font></div><div style="text-align: left"><font color="#ff0000">close</font></div><div style="text-align: left"><font color="#ff0000">error</font></div><div style="text-align: left"><font color="#ff0000">peers</font></div></div></div></div></foreignObject><text x="401" y="513" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">listening...</text></switch></g><path d="M 161 174 L 274.63 174" fill="none" stroke="#ff0000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 279.88 174 L 272.88 177.5 L 274.63 174 L 272.88 170.5 Z" fill="#ff0000" stroke="#ff0000" stroke-miterlimit="10" pointer-events="all"/><rect x="41" y="134" width="120" height="70" rx="10.5" ry="10.5" fill="#ffffff" stroke="#000000" stroke-dasharray="3 3" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 169px; margin-left: 42px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: left"><span><b>k-bucket</b></span></div><div style="text-align: left"><br /></div><div style="text-align: left"><span>Contract object</span></div><div style="text-align: left"><span>Storage</span></div></div></div></div></foreignObject><text x="101" y="173" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">k-bucket...</text></switch></g><rect x="192" y="174" width="60" height="50" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 199px; margin-left: 222px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div><span><font color="#ff0000">added</font></span></div><div><span><font color="#ff0000">removed</font></span></div><div><span><font color="#ff0000">ping</font></span></div></div></div></div></foreignObject><text x="222" y="203" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">added...</text></switch></g><rect x="41" y="314" width="120" height="90" rx="13.5" ry="13.5" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 118px; height: 1px; padding-top: 359px; margin-left: 42px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: right"><span><b>devp2p:dpt:ban-list</b></span></div><div style="text-align: right"><br /></div><div style="text-align: left"><span> BanList</span></div><div style="text-align: left"><span>   <font color="#0000ff">add()</font></span></div><div style="text-align: left"><span>   <font color="#0000ff">has()</font></span></div></div></div></div></foreignObject><text x="101" y="363" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">devp2p:dpt:ban-list...</text></switch></g><path d="M 281 614 L 167.37 614" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 162.12 614 L 169.12 610.5 L 167.37 614 L 169.12 617.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><rect x="41" y="584" width="120" height="130" rx="18" ry="18" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 118px; height: 1px; padding-top: 649px; margin-left: 43px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div> message.ts</div><div><br /></div><div> Encode / decode</div><div><br /></div><div><font color="#0000ff">   ping</font></div><div><font color="#0000ff">   pong</font></div><div><font color="#0000ff">   findNeighbors</font></div><div><font color="#0000ff">   neighbors</font></div></div></div></div></foreignObject><text x="43" y="653" fill="#000000" font-family="Helvetica" font-size="12px">message.ts...</text></switch></g><rect x="399" y="24" width="60" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 34px; margin-left: 429px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><b><font color="#ff8000" style="font-size: 24px">DPT</font></b></div></div></div></foreignObject><text x="429" y="38" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">DPT</text></switch></g><rect x="31" y="734" width="250" height="100" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 784px; margin-left: 33px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><p style="line-height: 150%"><u>Key:</u><br /><span style="background-color: rgb(255 , 255 , 0)"><b>(#)</b></span> Exemplary msg and event flow for a peer<br /><font color="#ff0000"> ●  Events</font><br /><b>devp2p:dpt:*</b> Logger name</p></div></div></div></foreignObject><text x="33" y="788" fill="#000000" font-family="Helvetica" font-size="12px">Key:...</text></switch></g><rect x="481" y="344" width="90" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 359px; margin-left: 526px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="text-align: left"><font color="#ff0000">peer: new </font><b style="background-color: rgb(255 , 255 , 0)">(4)</b></div><div style="text-align: left"><span style="color: rgb(255 , 0 , 0)">peer: removed</span><br /></div></div></div></div></foreignObject><text x="526" y="363" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">peer: new (4)...</text></switch></g><path d="M 601 324 L 571 324 L 447.37 324" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 442.12 324 L 449.12 320.5 L 447.37 324 L 449.12 327.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 761 394 L 861 394 L 864.63 394" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 869.88 394 L 862.88 397.5 L 864.63 394 L 862.88 390.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 767.37 374 L 816 374 L 816 374.1 L 872.65 374.06" fill="none" stroke="#ff0000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 762.12 374 L 769.12 370.5 L 767.37 374 L 769.12 377.5 Z" fill="#ff0000" stroke="#ff0000" stroke-miterlimit="10" pointer-events="all"/><path d="M 681 414 L 681 591.13" fill="none" stroke="#ff0000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 681 597.88 L 676.5 588.88 L 681 591.13 L 685.5 588.88 Z" fill="#ff0000" stroke="#ff0000" stroke-miterlimit="10" pointer-events="all"/><rect x="601" y="254" width="160" height="160" rx="24" ry="24" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 158px; height: 1px; padding-top: 334px; margin-left: 603px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px">devp2p:rlpx</b></span></div><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px"><br style="font-size: 12px" /></b></span></div><font color="#0000ff" style="font-size: 12px"> </font><font style="font-size: 12px">RLPx (EventEmitter)</font><br style="font-size: 12px" /><font color="#0000ff" style="font-size: 12px"> </font><font style="font-size: 12px"> - server</font><br style="font-size: 12px" /><font style="font-size: 12px">  - capabilities<br />    (e.g. ETH.eth63)<br /></font>  - peers<br style="font-size: 12px" /><br /> Manages peer connections<br />    <font color="#0000ff">connect() </font><span style="background-color: rgb(255 , 255 , 0)"><b>(6)</b></span> </div></div></div></foreignObject><text x="603" y="338" fill="#000000" font-family="Helvetica" font-size="12px">devp2p:rlpx...</text></switch></g><rect x="461" y="304" width="140" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 314px; margin-left: 531px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">new RLPx(_, dpt: DPT)</div></div></div></foreignObject><text x="531" y="318" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">new RLPx(_, dpt: DPT)</text></switch></g><path d="M 949 254 L 949 234 L 949 230.37" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 949 225.12 L 952.5 232.12 L 949 230.37 L 945.5 232.12 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><path d="M 946 434 L 946 596.13" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 946 602.88 L 941.5 593.88 L 946 596.13 L 950.5 593.88 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><rect x="871" y="254" width="150" height="180" rx="22.5" ry="22.5" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 148px; height: 1px; padding-top: 344px; margin-left: 873px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px">    devp2p:rlpx:peer</b></span></div><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px"><br style="font-size: 12px" /></b></span></div><font color="#0000ff" style="font-size: 12px"> </font><font style="font-size: 12px">Peer (EventEmitter)</font><br style="font-size: 12px" /><font color="#0000ff" style="font-size: 12px">  - send...<br /></font>     <font color="#0000ff" style="font-size: 12px">Auth()<br />     Ack()<br />     Message()<br />     Hello()<br />     Ping(), Pong()<br /></font><br /> SubProtocol<br />     <font color="#0000ff" style="background-color: rgb(255 , 204 , 204)">_sendMessage()</font> <span style="background-color: rgb(255 , 255 , 0)"><b>(13)</b></span></div></div></div></foreignObject><text x="873" y="348" fill="#000000" font-family="Helvetica" font-size="12px">devp2p:rlpx:peer...</text></switch></g><path d="M 871 147.04 L 841 147 L 810.37 147.03" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 805.12 147.04 L 812.11 143.53 L 810.37 147.03 L 812.12 150.53 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><rect x="871" y="114" width="150" height="110" rx="16.5" ry="16.5" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 148px; height: 1px; padding-top: 169px; margin-left: 872px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: left"><span>ECIES</span></div><div style="text-align: left"><span>Msg encryption/parsing...</span></div><div style="text-align: left"><span>   Auth (EIP8)</span></div><div style="text-align: left"><span>   Ack (EIP8)</span></div><div style="text-align: left"><span>   Header</span></div><div style="text-align: left"><span>   Body</span></div></div></div></div></foreignObject><text x="946" y="173" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">ECIES...</text></switch></g><rect x="694" y="124" width="110" height="60" rx="9" ry="9" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 108px; height: 1px; padding-top: 154px; margin-left: 695px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: left"><span>MAC</span></div><font color="#0000ff"><div style="text-align: left"><span>updateHeader()</span></div><div style="text-align: left"><span>updateBody()</span></div></font></div></div></div></foreignObject><text x="749" y="158" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">MACupdateHeader()...</text></switch></g><rect x="581" y="25" width="80" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 35px; margin-left: 621px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><b><font style="font-size: 24px" color="#82b366">RLPX</font></b></div></div></div></foreignObject><text x="621" y="39" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">RLPX</text></switch></g><rect x="580" y="44" width="520" height="60" fill="#d5e8d4" stroke="#82b366" stroke-width="2" pointer-events="all"/><rect x="590" y="43" width="360" height="60" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 73px; margin-left: 592px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><p style="line-height: 130%">The transport layer to agree on capabilities, message encryption,<br />and send upper-layer message (e.g. ETH) through the wire.</p></div></div></div></foreignObject><text x="592" y="77" fill="#000000" font-family="Helvetica" font-size="12px">The transport layer to agree on capabilities, message encryp...</text></switch></g><rect x="926" y="316" width="18" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 16px; height: 1px; padding-top: 323px; margin-left: 928px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><b style="color: rgb(0 , 0 , 0) ; font-family: &quot;helvetica&quot; ; font-size: 12px ; font-style: normal ; letter-spacing: normal ; text-align: left ; text-indent: 0px ; text-transform: none ; word-spacing: 0px ; background-color: rgb(255 , 255 , 0)">(8)</b></div></div></div></foreignObject><text x="928" y="335" fill="#000000" font-family="Helvetica" font-size="12px">(8)</text></switch></g><rect x="789" y="334" width="70" height="40" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 68px; height: 1px; padding-top: 341px; margin-left: 791px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="color: rgb(0 , 0 , 0) ; font-family: &quot;helvetica&quot; ; font-size: 12px ; font-style: normal ; font-weight: 400 ; letter-spacing: normal ; text-indent: 0px ; text-transform: none ; word-spacing: 0px ; text-align: left"><font color="#ff0000">connect </font><b style="background-color: rgb(255 , 255 , 0)">(9)</b></div><div style="color: rgb(0 , 0 , 0) ; font-family: &quot;helvetica&quot; ; font-size: 12px ; font-style: normal ; font-weight: 400 ; letter-spacing: normal ; text-indent: 0px ; text-transform: none ; word-spacing: 0px ; text-align: left"><span style="color: rgb(255 , 0 , 0)">error</span></div></div></div></div></foreignObject><text x="791" y="353" fill="#000000" font-family="Helvetica" font-size="12px">connect (9)...</text></switch></g><rect x="759" y="398" width="130" height="50" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 423px; margin-left: 824px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="text-align: left"><span>new Peer({</span></div><div style="text-align: left"><span>  socket, clientId,</span></div><div style="text-align: left"><span>  capabilities, port, ...})</span></div></div></div></div></foreignObject><text x="824" y="427" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">new Peer({...</text></switch></g><rect x="745" y="396" width="18" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 16px; height: 1px; padding-top: 403px; margin-left: 747px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><b style="color: rgb(0 , 0 , 0) ; font-family: &quot;helvetica&quot; ; font-size: 12px ; font-style: normal ; letter-spacing: normal ; text-align: left ; text-indent: 0px ; text-transform: none ; word-spacing: 0px ; background-color: rgb(255 , 255 , 0)">(7)</b></div></div></div></foreignObject><text x="747" y="415" fill="#000000" font-family="Helvetica" font-size="12px">(7)</text></switch></g><rect x="601" y="599" width="160" height="80" rx="12" ry="12" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 158px; height: 1px; padding-top: 639px; margin-left: 603px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div><span> Consumer</span></div><div><br /></div><div><span> See </span><span>examples/</span></div><div><span>   peer-communication.ts</span></div></div></div></div></foreignObject><text x="603" y="643" fill="#000000" font-family="Helvetica" font-size="12px">Consumer...</text></switch></g><rect x="681" y="486" width="110" height="90" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 531px; margin-left: 736px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="text-align: left"><font color="#ff0000">peer: added    </font><b style="background-color: rgb(255 , 255 , 0)">(10)</b></div><div style="text-align: left"><font color="#ff0000">peer: removed</font></div><div style="text-align: left"><font color="#ff0000">peer: error</font></div><div style="text-align: left"><font color="#ff0000">listening</font></div><div style="text-align: left"><font color="#ff0000">close</font></div><div style="text-align: left"><font color="#ff0000">error</font></div></div></div></div></foreignObject><text x="736" y="535" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">peer: added    (10...</text></switch></g><path d="M 864.63 659 L 761 659" fill="none" stroke="#000000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 869.88 659 L 862.88 662.5 L 864.63 659 L 862.88 655.5 Z" fill="#000000" stroke="#000000" stroke-miterlimit="10" pointer-events="all"/><rect x="871" y="604" width="150" height="170" rx="22.5" ry="22.5" fill="#ffffff" stroke="#000000" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 148px; height: 1px; padding-top: 689px; margin-left: 873px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px">    devp2p:ETH</b></span></div><div style="text-align: right ; font-size: 12px"><span style="font-size: 12px"><b style="font-size: 12px"><br style="font-size: 12px" /></b></span></div><font color="#0000ff" style="font-size: 12px"> </font><font style="font-size: 12px">ETH (EventEmitter)<br /></font>   version: 62/63<br style="font-size: 12px" /><font color="#0000ff" style="font-size: 12px"> <br /></font><font style="font-size: 12px"> NEW_BLOCK_HASHES<br /> TX<br /> GET_BLOCK_HEADERS<br /> ...<br /></font><br /><font>   </font><font color="#0000ff" style="background-color: rgb(255 , 204 , 204)">_send()</font> <span style="background-color: rgb(255 , 255 , 0)"><b>(12)</b></span></div></div></div></foreignObject><text x="873" y="693" fill="#000000" font-family="Helvetica" font-size="12px">devp2p:ETH...</text></switch></g><rect x="924" y="746" width="150" height="50" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 771px; margin-left: 999px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font style="font-size: 11px"><span style="color: rgb(34 , 34 , 34) ; font-family: &quot;roboto&quot; , &quot;arial&quot; , sans-serif ; text-align: left">← </span><span style="text-align: left">dynamically set</span><span style="color: rgb(34 , 34 , 34) ; font-family: &quot;roboto&quot; , &quot;arial&quot; , sans-serif ; text-align: left"><br /></span></font><div style="text-align: left ; font-size: 11px"><font style="font-size: 11px">             in Peer:SubProtocol</font></div><div style="text-align: left ; font-size: 11px"><font style="font-size: 11px">             constructor</font></div></div></div></div></foreignObject><text x="999" y="775" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">← dynamically set...</text></switch></g><rect x="940" y="542" width="160" height="50" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 567px; margin-left: 1020px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="text-align: left">parsePacketContent(data)</div><div style="text-align: left">  Body: obj.protocol,</div><div style="text-align: left">            _handleMessage()</div></div></div></div></foreignObject><text x="1020" y="571" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">parsePacketContent(data)...</text></switch></g><path d="M 871 639 L 768.87 639" fill="none" stroke="#ff0000" stroke-miterlimit="10" pointer-events="stroke"/><path d="M 762.12 639 L 771.12 634.5 L 768.87 639 L 771.12 643.5 Z" fill="#ff0000" stroke="#ff0000" stroke-miterlimit="10" pointer-events="all"/><rect x="799" y="607" width="60" height="30" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 622px; margin-left: 829px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font color="#ff0000">status<br />message</font></div></div></div></foreignObject><text x="829" y="626" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">status...</text></switch></g><rect x="766" y="659" width="100" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 669px; margin-left: 816px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">eth.sendStatus()</div></div></div></foreignObject><text x="816" y="673" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">eth.sendStatus()</text></switch></g><rect x="801" y="673" width="18" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe flex-start; justify-content: unsafe flex-start; width: 16px; height: 1px; padding-top: 680px; margin-left: 803px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: normal; word-wrap: normal; "><b style="color: rgb(0 , 0 , 0) ; font-family: &quot;helvetica&quot; ; font-size: 12px ; font-style: normal ; letter-spacing: normal ; text-align: left ; text-indent: 0px ; text-transform: none ; word-spacing: 0px ; background-color: rgb(255 , 255 , 0)">(11)</b></div></div></div></foreignObject><text x="803" y="692" fill="#000000" font-family="Helvetica" font-size="12px">(11)</text></switch></g><rect x="800" y="504" width="300" height="30" fill="#f8cecc" stroke="#b85450" stroke-width="2" pointer-events="all"/><rect x="809" y="509" width="280" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 519px; margin-left: 811px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><div style="font-size: 11px"><span>Sends the "real" data </span><span>like </span><span>block hashes &amp; </span><span>transactions.</span></div></div></div></div></foreignObject><text x="811" y="523" fill="#000000" font-family="Helvetica" font-size="12px">Sends the "real" data like block hashes &amp; tran...</text></switch></g><rect x="803" y="484" width="60" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe center; width: 1px; height: 1px; padding-top: 494px; margin-left: 833px;"><div style="box-sizing: border-box; font-size: 0; text-align: center; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><b><font style="font-size: 24px" color="#b85450">ETH</font></b></div></div></div></foreignObject><text x="833" y="498" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="middle">ETH</text></switch></g><rect x="952" y="230" width="110" height="20" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-start; width: 1px; height: 1px; padding-top: 240px; margin-left: 954px;"><div style="box-sizing: border-box; font-size: 0; text-align: left; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; ">Auth, Ack Create</div></div></div></foreignObject><text x="954" y="244" fill="#000000" font-family="Helvetica" font-size="12px">Auth, Ack Create</text></switch></g><rect x="21" y="44" width="440" height="60" fill="#fff2cc" stroke="#ff8000" stroke-width="2" pointer-events="all"/><rect x="192" y="49" width="260" height="50" fill="none" stroke="none" pointer-events="all"/><g transform="translate(-0.5 -0.5)"><switch><foreignObject style="overflow: visible; text-align: left;" pointer-events="none" width="100%" height="100%" requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"><div xmlns="http://www.w3.org/1999/xhtml" style="display: flex; align-items: unsafe center; justify-content: unsafe flex-end; width: 1px; height: 1px; padding-top: 74px; margin-left: 450px;"><div style="box-sizing: border-box; font-size: 0; text-align: right; "><div style="display: inline-block; font-size: 12px; font-family: Helvetica; color: #000000; line-height: 1.2; pointer-events: all; white-space: nowrap; "><font style="font-size: 12px">Manages a list of peers (KBucket),<br />tries to find new peers (Server: findNeighbors),<br />and handles basic connection (ping -&gt; pong).</font></div></div></div></foreignObject><text x="450" y="78" fill="#000000" font-family="Helvetica" font-size="12px" text-anchor="end">Manages a list of peers (KBucket),...</text></switch></g></g><switch><g requiredFeatures="http://www.w3.org/TR/SVG11/feature#Extensibility"/><a transform="translate(0,-5)" xlink:href="https://desk.draw.io/support/solutions/articles/16000042487" target="_blank"><text text-anchor="middle" font-size="10px" x="50%" y="100%">Viewer does not support full SVG 1.1</text></a></switch></svg>