diff --git a/docs/README.md b/docs/README.md
index 0988b244..73b1a2db 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -178,7 +178,7 @@ The following versioned modules are provided by dcrd repository:
   return values, and notifications
 * [wire](https://github.com/decred/dcrd/tree/master/wire) - Implements the
   Decred wire protocol
-* [peer](https://github.com/decred/dcrd/tree/master/peer) - Provides a common
+* [peer/v2](https://github.com/decred/dcrd/tree/master/peer) - Provides a common
   base for creating and managing Decred network peers
 * [blockchain/v2](https://github.com/decred/dcrd/tree/master/blockchain) -
   Implements Decred block handling and chain selection rules
diff --git a/docs/assets/module_hierarchy.gv b/docs/assets/module_hierarchy.gv
index 52e73a0c..637e9bbf 100644
--- a/docs/assets/module_hierarchy.gv
+++ b/docs/assets/module_hierarchy.gv
@@ -24,7 +24,7 @@ digraph {
 	mempool [label="mempool/v2" fillcolor=slategray]
 	mining [label="mining/v2" fillcolor=chartreuse]
 	lru  [label="lru" fillcolor=royalblue3]
-	peer [label="peer" fillcolor=khaki]
+	peer [label="peer/v2" fillcolor=khaki]
 	rpcclient [label="rpcclient/v4" fillcolor=mediumseagreen]
 	fees [label="fees" fillcolor=darkolivegreen2]
 	dcrd [label="dcrd" fillcolor=chocolate]
diff --git a/docs/assets/module_hierarchy.svg b/docs/assets/module_hierarchy.svg
index 93b4eb03..dd2b8d93 100644
--- a/docs/assets/module_hierarchy.svg
+++ b/docs/assets/module_hierarchy.svg
@@ -4,12 +4,12 @@
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 <!-- Title: %3 Pages: 1 -->
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- viewBox="0.00 0.00 712.50 792.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<svg width="717pt" height="792pt"
+ viewBox="0.00 0.00 716.50 792.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 788)">
 <title>%3</title>
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-<text text-anchor="start" x="285.75" y="-766.6" font-family="Times New Roman,serif" text-decoration="underline" font-size="18.00">Module Hierarchy</text>
+<polygon fill="white" stroke="#000000" points="-4,4 -4,-788 712.5,-788 712.5,4 -4,4"/>
+<text text-anchor="start" x="287.75" y="-766.6" font-family="Times New Roman,serif" text-decoration="underline" font-size="18.00">Module Hierarchy</text>
 <!-- certgen -->
 <g id="node1" class="node"><title>certgen</title>
 <path fill="darkkhaki" stroke="black" d="M45,-108C45,-108 12,-108 12,-108 6,-108 0,-102 0,-96 0,-96 0,-84 0,-84 0,-78 6,-72 12,-72 12,-72 45,-72 45,-72 51,-72 57,-78 57,-84 57,-84 57,-96 57,-96 57,-102 51,-108 45,-108"/>
@@ -32,13 +32,13 @@
 </g>
 <!-- dcrjson -->
 <g id="node3" class="node"><title>dcrjson</title>
-<path fill="indianred" stroke="black" d="M613.5,-684C613.5,-684 561.5,-684 561.5,-684 555.5,-684 549.5,-678 549.5,-672 549.5,-672 549.5,-660 549.5,-660 549.5,-654 555.5,-648 561.5,-648 561.5,-648 613.5,-648 613.5,-648 619.5,-648 625.5,-654 625.5,-660 625.5,-660 625.5,-672 625.5,-672 625.5,-678 619.5,-684 613.5,-684"/>
-<text text-anchor="middle" x="587.5" y="-662.3" font-family="Times New Roman,serif" font-size="14.00">dcrjson/v3</text>
+<path fill="indianred" stroke="black" d="M614.5,-684C614.5,-684 562.5,-684 562.5,-684 556.5,-684 550.5,-678 550.5,-672 550.5,-672 550.5,-660 550.5,-660 550.5,-654 556.5,-648 562.5,-648 562.5,-648 614.5,-648 614.5,-648 620.5,-648 626.5,-654 626.5,-660 626.5,-660 626.5,-672 626.5,-672 626.5,-678 620.5,-684 614.5,-684"/>
+<text text-anchor="middle" x="588.5" y="-662.3" font-family="Times New Roman,serif" font-size="14.00">dcrjson/v3</text>
 </g>
 <!-- chainhash&#45;&gt;dcrjson -->
 <g id="edge1" class="edge"><title>chainhash&#45;&gt;dcrjson</title>
-<path fill="none" stroke="aquamarine" d="M545.63,-738C545.63,-738 587.5,-738 587.5,-738 587.5,-738 587.5,-705.498 587.5,-684.169"/>
-<polygon fill="aquamarine" stroke="aquamarine" points="545.63,-734.5 535.63,-738 545.63,-741.5 545.63,-734.5"/>
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+<polygon fill="aquamarine" stroke="aquamarine" points="545.505,-734.5 535.505,-738 545.505,-741.5 545.505,-734.5"/>
 </g>
 <!-- wire -->
 <g id="node5" class="node"><title>wire</title>
@@ -62,23 +62,23 @@
 </g>
 <!-- types -->
 <g id="node4" class="node"><title>types</title>
-<path fill="tomato" stroke="black" d="M642,-540C642,-540 551,-540 551,-540 545,-540 539,-534 539,-528 539,-528 539,-516 539,-516 539,-510 545,-504 551,-504 551,-504 642,-504 642,-504 648,-504 654,-510 654,-516 654,-516 654,-528 654,-528 654,-534 648,-540 642,-540"/>
-<text text-anchor="middle" x="596.5" y="-518.3" font-family="Times New Roman,serif" font-size="14.00">rpc/jsonrpc/types</text>
+<path fill="tomato" stroke="black" d="M644,-540C644,-540 553,-540 553,-540 547,-540 541,-534 541,-528 541,-528 541,-516 541,-516 541,-510 547,-504 553,-504 553,-504 644,-504 644,-504 650,-504 656,-510 656,-516 656,-516 656,-528 656,-528 656,-534 650,-540 644,-540"/>
+<text text-anchor="middle" x="598.5" y="-518.3" font-family="Times New Roman,serif" font-size="14.00">rpc/jsonrpc/types</text>
 </g>
 <!-- dcrjson&#45;&gt;types -->
 <g id="edge24" class="edge"><title>dcrjson&#45;&gt;types</title>
-<path fill="none" stroke="tomato" d="M587.5,-637.762C587.5,-637.762 587.5,-540.09 587.5,-540.09"/>
-<polygon fill="tomato" stroke="tomato" points="584,-637.762 587.5,-647.762 591,-637.762 584,-637.762"/>
+<path fill="none" stroke="tomato" d="M588.5,-637.762C588.5,-637.762 588.5,-540.09 588.5,-540.09"/>
+<polygon fill="tomato" stroke="tomato" points="585,-637.762 588.5,-647.762 592,-637.762 585,-637.762"/>
 </g>
 <!-- rpcclient -->
 <g id="node24" class="node"><title>rpcclient</title>
-<path fill="mediumseagreen" stroke="black" d="M620.5,-108C620.5,-108 562.5,-108 562.5,-108 556.5,-108 550.5,-102 550.5,-96 550.5,-96 550.5,-84 550.5,-84 550.5,-78 556.5,-72 562.5,-72 562.5,-72 620.5,-72 620.5,-72 626.5,-72 632.5,-78 632.5,-84 632.5,-84 632.5,-96 632.5,-96 632.5,-102 626.5,-108 620.5,-108"/>
-<text text-anchor="middle" x="591.5" y="-86.3" font-family="Times New Roman,serif" font-size="14.00">rpcclient/v4</text>
+<path fill="mediumseagreen" stroke="black" d="M624.5,-108C624.5,-108 566.5,-108 566.5,-108 560.5,-108 554.5,-102 554.5,-96 554.5,-96 554.5,-84 554.5,-84 554.5,-78 560.5,-72 566.5,-72 566.5,-72 624.5,-72 624.5,-72 630.5,-72 636.5,-78 636.5,-84 636.5,-84 636.5,-96 636.5,-96 636.5,-102 630.5,-108 624.5,-108"/>
+<text text-anchor="middle" x="595.5" y="-86.3" font-family="Times New Roman,serif" font-size="14.00">rpcclient/v4</text>
 </g>
 <!-- types&#45;&gt;rpcclient -->
 <g id="edge25" class="edge"><title>types&#45;&gt;rpcclient</title>
-<path fill="none" stroke="indianred" d="M596,-493.987C596,-493.987 596,-108.089 596,-108.089"/>
-<polygon fill="indianred" stroke="indianred" points="592.5,-493.987 596,-503.987 599.5,-493.988 592.5,-493.987"/>
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+<polygon fill="indianred" stroke="indianred" points="595,-493.987 598.5,-503.987 602,-493.988 595,-493.987"/>
 </g>
 <!-- addrmgr -->
 <g id="node6" class="node"><title>addrmgr</title>
@@ -207,58 +207,58 @@
 </g>
 <!-- gcs -->
 <g id="node18" class="node"><title>gcs</title>
-<path fill="gold" stroke="black" d="M547.5,-324C547.5,-324 517.5,-324 517.5,-324 511.5,-324 505.5,-318 505.5,-312 505.5,-312 505.5,-300 505.5,-300 505.5,-294 511.5,-288 517.5,-288 517.5,-288 547.5,-288 547.5,-288 553.5,-288 559.5,-294 559.5,-300 559.5,-300 559.5,-312 559.5,-312 559.5,-318 553.5,-324 547.5,-324"/>
-<text text-anchor="middle" x="532.5" y="-302.3" font-family="Times New Roman,serif" font-size="14.00">gcs</text>
+<path fill="gold" stroke="black" d="M548.5,-324C548.5,-324 518.5,-324 518.5,-324 512.5,-324 506.5,-318 506.5,-312 506.5,-312 506.5,-300 506.5,-300 506.5,-294 512.5,-288 518.5,-288 518.5,-288 548.5,-288 548.5,-288 554.5,-288 560.5,-294 560.5,-300 560.5,-300 560.5,-312 560.5,-312 560.5,-318 554.5,-324 548.5,-324"/>
+<text text-anchor="middle" x="533.5" y="-302.3" font-family="Times New Roman,serif" font-size="14.00">gcs</text>
 </g>
 <!-- stake&#45;&gt;gcs -->
 <g id="edge16" class="edge"><title>stake&#45;&gt;gcs</title>
-<path fill="none" stroke="bisque" d="M525.25,-349.831C525.25,-349.831 525.25,-324.413 525.25,-324.413"/>
-<polygon fill="bisque" stroke="bisque" points="521.75,-349.831 525.25,-359.831 528.75,-349.831 521.75,-349.831"/>
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+<polygon fill="bisque" stroke="bisque" points="522.25,-349.831 525.75,-359.831 529.25,-349.831 522.25,-349.831"/>
 </g>
 <!-- standalone -->
 <g id="node17" class="node"><title>standalone</title>
-<path fill="#8b1a1a" stroke="black" d="M475.5,-324C475.5,-324 359.5,-324 359.5,-324 353.5,-324 347.5,-318 347.5,-312 347.5,-312 347.5,-300 347.5,-300 347.5,-294 353.5,-288 359.5,-288 359.5,-288 475.5,-288 475.5,-288 481.5,-288 487.5,-294 487.5,-300 487.5,-300 487.5,-312 487.5,-312 487.5,-318 481.5,-324 475.5,-324"/>
-<text text-anchor="middle" x="417.5" y="-302.3" font-family="Times New Roman,serif" font-size="14.00">blockchain/standalone</text>
+<path fill="#8b1a1a" stroke="black" d="M476.5,-324C476.5,-324 360.5,-324 360.5,-324 354.5,-324 348.5,-318 348.5,-312 348.5,-312 348.5,-300 348.5,-300 348.5,-294 354.5,-288 360.5,-288 360.5,-288 476.5,-288 476.5,-288 482.5,-288 488.5,-294 488.5,-300 488.5,-300 488.5,-312 488.5,-312 488.5,-318 482.5,-324 476.5,-324"/>
+<text text-anchor="middle" x="418.5" y="-302.3" font-family="Times New Roman,serif" font-size="14.00">blockchain/standalone</text>
 </g>
 <!-- blockchain -->
 <g id="node19" class="node"><title>blockchain</title>
-<path fill="orchid" stroke="black" d="M464,-252C464,-252 393,-252 393,-252 387,-252 381,-246 381,-240 381,-240 381,-228 381,-228 381,-222 387,-216 393,-216 393,-216 464,-216 464,-216 470,-216 476,-222 476,-228 476,-228 476,-240 476,-240 476,-246 470,-252 464,-252"/>
-<text text-anchor="middle" x="428.5" y="-230.3" font-family="Times New Roman,serif" font-size="14.00">blockchain/v2</text>
+<path fill="orchid" stroke="black" d="M465,-252C465,-252 394,-252 394,-252 388,-252 382,-246 382,-240 382,-240 382,-228 382,-228 382,-222 388,-216 394,-216 394,-216 465,-216 465,-216 471,-216 477,-222 477,-228 477,-228 477,-240 477,-240 477,-246 471,-252 465,-252"/>
+<text text-anchor="middle" x="429.5" y="-230.3" font-family="Times New Roman,serif" font-size="14.00">blockchain/v2</text>
 </g>
 <!-- standalone&#45;&gt;blockchain -->
 <g id="edge17" class="edge"><title>standalone&#45;&gt;blockchain</title>
-<path fill="none" stroke="#8b1a1a" d="M428.5,-277.831C428.5,-277.831 428.5,-252.413 428.5,-252.413"/>
-<polygon fill="#8b1a1a" stroke="#8b1a1a" points="425,-277.831 428.5,-287.831 432,-277.831 425,-277.831"/>
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+<polygon fill="#8b1a1a" stroke="#8b1a1a" points="426,-277.831 429.5,-287.831 433,-277.831 426,-277.831"/>
 </g>
 <!-- gcs&#45;&gt;blockchain -->
 <g id="edge18" class="edge"><title>gcs&#45;&gt;blockchain</title>
-<path fill="none" stroke="gold" d="M519,-277.831C519,-277.831 519,-234 519,-234 519,-234 497.938,-234 476.135,-234"/>
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 <!-- gcs&#45;&gt;rpcclient -->
 <g id="edge19" class="edge"><title>gcs&#45;&gt;rpcclient</title>
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+<polygon fill="gold" stroke="gold" points="542,-277.955 545.5,-287.955 549,-277.956 542,-277.955"/>
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 <!-- mining -->
 <g id="node21" class="node"><title>mining</title>
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+<text text-anchor="middle" x="388.5" y="-158.3" font-family="Times New Roman,serif" font-size="14.00">mining/v2</text>
 </g>
 <!-- blockchain&#45;&gt;mining -->
 <g id="edge20" class="edge"><title>blockchain&#45;&gt;mining</title>
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 <!-- peer -->
 <g id="node23" class="node"><title>peer</title>
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+<text text-anchor="middle" x="507.5" y="-86.3" font-family="Times New Roman,serif" font-size="14.00">peer/v2</text>
 </g>
 <!-- blockchain&#45;&gt;peer -->
 <g id="edge23" class="edge"><title>blockchain&#45;&gt;peer</title>
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-<polygon fill="orchid" stroke="orchid" points="464.75,-205.762 468.25,-215.762 471.75,-205.762 464.75,-205.762"/>
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+<polygon fill="orchid" stroke="orchid" points="465.25,-205.762 468.75,-215.762 472.25,-205.762 465.25,-205.762"/>
 </g>
 <!-- mempool -->
 <g id="node20" class="node"><title>mempool</title>
@@ -272,38 +272,38 @@
 </g>
 <!-- mining&#45;&gt;mempool -->
 <g id="edge21" class="edge"><title>mining&#45;&gt;mempool</title>
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-<polygon fill="chartreuse" stroke="chartreuse" points="394.75,-133.831 398.25,-143.831 401.75,-133.831 394.75,-133.831"/>
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+<polygon fill="chartreuse" stroke="chartreuse" points="395.75,-133.831 399.25,-143.831 402.75,-133.831 395.75,-133.831"/>
 </g>
 <!-- lru -->
 <g id="node22" class="node"><title>lru</title>
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 </g>
 <!-- lru&#45;&gt;peer -->
 <g id="edge22" class="edge"><title>lru&#45;&gt;peer</title>
-<path fill="none" stroke="#3a5fcd" d="M505.5,-133.831C505.5,-133.831 505.5,-108.413 505.5,-108.413"/>
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 <!-- peer&#45;&gt;dcrd -->
 <g id="edge33" class="edge"><title>peer&#45;&gt;dcrd</title>
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 <g id="edge32" class="edge"><title>rpcclient&#45;&gt;dcrd</title>
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