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72cc5f7f9e
* Add flowchart illustration to blocks-first section to match new headers-first flowchart * Add new headers-first initial block download (IBD) section * Revise Block Broadcasting section * Add paragraph about orphan block handling in headers-first to the Orphan Blocks section
57 lines
1.8 KiB
Text
57 lines
1.8 KiB
Text
digraph {
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// This file is licensed under the MIT License (MIT) available on
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// http://opensource.org/licenses/MIT.
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size=6.25;
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rankdir=LR
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splines = "false";
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ranksep = 0.4;
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nodesep = 0.1;
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edge [ penwidth = 1.75, fontname="Sans" ]
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node [ penwidth = 1.75, shape = "box", fontname="Sans"]
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graph [ penwidth = 1.75, fontname="Sans" ]
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ibd -> getblocks:f1 -> sync;
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ibd [ label = "IBD\nNode", shape="none" ];
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sync [ label = "Sync\nNode", shape="none" ];
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getblocks [ shape="plaintext", label=<
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<table border="2" cellborder="1" cellpadding="1">
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<tr>
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<td colspan="4" port="f1" border="0" cellpadding="4"><b>GetHeaders Message</b></td>
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</tr>
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<tr>
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<td colspan="4" border="0"><i>Message Header</i></td>
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</tr>
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<tr>
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<td border="1"><i>Start String</i><br/><font face="courier">f9beb4d9</font></td>
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<td border="1" cellpadding="4"><i>Command</i><br/><font face="courier">getheaders</font></td>
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<td border="1"><i>Size</i><br/><font face="courier">69</font></td>
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<td border="1"><i>Checksum</i><br/><font face="courier">f5fcbcad</font></td>
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</tr>
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<tr>
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<td colspan="4" border="0"><i>Payload</i></td>
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</tr>
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<tr>
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<td colspan="2"><i>Protocol Version</i><br /><font face="courier">70002</font></td>
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<td colspan="2"><i>Header Hash Count</i><br /><font face="courier">1</font></td>
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</tr>
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<tr>
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<td colspan="4"><i>Header Hashes (Highest-Height First)</i><br /><font face="courier">6fe28c0ab6f1b3...d6190000000000</font></td>
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</tr>
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<tr>
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<td colspan="4"><i>Stopping Hash (Zero Is "No Stop")</i><br /><font face="courier">00000000000000...00000000000000</font></td>
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</tr>
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</table>>];
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label = "First getheaders message sent from Initial Blocks Download (IBD) node"
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}
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