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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
67 lines
1.9 KiB
Text
67 lines
1.9 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 = 0.2;
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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 -> inv:f1 -> sync [ dir = "back" ];
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ibd [ label = "IBD\nNode", shape="none" ];
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sync [ label = "Sync\nNode", shape="none" ];
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inv [ shape="plaintext", label=<
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<table border="2" cellborder="1">
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<tr>
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<td colspan="4" port="f1" border="0" cellpadding="4"><b>Headers 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"><i>Command</i><br/><font face="courier">headers</font></td>
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<td border="1"><i>Size</i><br/><font face="courier">162003</font></td>
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<td border="1"><i>Checksum</i><br/><font face="courier">a65b2b77</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="4"><i>Number Of Headers (Max 2,000 In Reply To GetHeaders) </i><br /><font face="courier">2000</font></td>
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</tr>
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<tr>
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<td colspan="4">
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<table border="0">
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<tr>
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<td><i>80-byte Block Headers + 0x00 (The Empty Tx Count)</i></td>
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</tr>
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<tr>
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<td><font face="courier">010000006fe28cab...ff001d01e3629900</font></td>
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</tr>
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<tr>
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<td><font face="courier">010000004860eb18...ff001d08d2bd6100</font></td>
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</tr>
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<tr>
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<td colspan="2"><i>...............1,998 more block headers...............</i></td>
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</tr>
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</table>
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</td>
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</tr>
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</table>>];
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label = "First headers message reply sent to Initial Blocks Download (IBD) node"
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}
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