From b5a65a9e7886497ad2df6fcc3fe978a24c31caea Mon Sep 17 00:00:00 2001
From: jholdstock <jholdstock@decred.org>
Date: Fri, 7 May 2021 18:17:18 +0100
Subject: [PATCH] Add block explorer links to tx hashes and fee addr

---
 params.go                   |  4 ++++
 vspd.go                     |  1 +
 webapi/formatting.go        | 13 +++++++++++++
 webapi/templates/admin.html | 24 ++++++++++++++++++------
 webapi/webapi.go            | 10 ++++++++++
 5 files changed, 46 insertions(+), 6 deletions(-)
 create mode 100644 webapi/formatting.go

diff --git a/params.go b/params.go
index 5fdf516..d502ca5 100644
--- a/params.go
+++ b/params.go
@@ -12,22 +12,26 @@ type netParams struct {
 	*chaincfg.Params
 	DcrdRPCServerPort   string
 	WalletRPCServerPort string
+	BlockExplorerURL    string
 }
 
 var mainNetParams = netParams{
 	Params:              chaincfg.MainNetParams(),
 	DcrdRPCServerPort:   "9109",
 	WalletRPCServerPort: "9110",
+	BlockExplorerURL:    "https://dcrdata.decred.org",
 }
 
 var testNet3Params = netParams{
 	Params:              chaincfg.TestNet3Params(),
 	DcrdRPCServerPort:   "19109",
 	WalletRPCServerPort: "19110",
+	BlockExplorerURL:    "https://testnet.dcrdata.org",
 }
 
 var simNetParams = netParams{
 	Params:              chaincfg.SimNetParams(),
 	DcrdRPCServerPort:   "19556",
 	WalletRPCServerPort: "19557",
+	BlockExplorerURL:    "https://dcrdata.decred.org",
 }
diff --git a/vspd.go b/vspd.go
index b667c3c..b9ee11b 100644
--- a/vspd.go
+++ b/vspd.go
@@ -87,6 +87,7 @@ func run(ctx context.Context) error {
 	apiCfg := webapi.Config{
 		VSPFee:               cfg.VSPFee,
 		NetParams:            cfg.netParams.Params,
+		BlockExplorerURL:     cfg.netParams.BlockExplorerURL,
 		SupportEmail:         cfg.SupportEmail,
 		VspClosed:            cfg.VspClosed,
 		AdminPass:            cfg.AdminPass,
diff --git a/webapi/formatting.go b/webapi/formatting.go
new file mode 100644
index 0000000..1cbe120
--- /dev/null
+++ b/webapi/formatting.go
@@ -0,0 +1,13 @@
+package webapi
+
+func addressURL(blockExplorerURL string) func(string) string {
+	return func(addr string) string {
+		return blockExplorerURL + "/address/" + addr
+	}
+}
+
+func txURL(blockExplorerURL string) func(string) string {
+	return func(txID string) string {
+		return blockExplorerURL + "/tx/" + txID
+	}
+}
diff --git a/webapi/templates/admin.html b/webapi/templates/admin.html
index 0a9c6a4..35da78d 100644
--- a/webapi/templates/admin.html
+++ b/webapi/templates/admin.html
@@ -97,7 +97,11 @@
                         <table class="table ticket-table mt-2 mb-4">
                             <tr>
                                 <th>Hash</th>
-                                <td>{{ .Ticket.Hash }}</td>
+                                <td>
+                                    <a href="{{ txURL .Ticket.Hash }}">
+                                        {{ .Ticket.Hash }}
+                                    </a>
+                                </td>
                             </tr>
                             <tr>
                                 <th>Commitment Address</th>
@@ -109,7 +113,11 @@
                             </tr>
                             <tr>
                                 <th>Fee Address</th>
-                                <td>{{ .Ticket.FeeAddress }}</td>
+                                <td>
+                                    <a href="{{ addressURL .Ticket.FeeAddress }}">
+                                        {{ .Ticket.FeeAddress }}
+                                    </a>
+                                </td>
                             </tr>
                             <tr>
                                 <th>Fee Amount</th>
@@ -173,12 +181,16 @@
                                 <td>{{ .Ticket.VotingWIF }}</td>
                             </tr>
                             <tr>
-                                <th>Fee Tx</th>
-                                <td>{{ .Ticket.FeeTxHex }}</td>
+                                <th>Fee Tx Hash</th>
+                                <td>
+                                    <a href="{{ txURL .Ticket.FeeTxHash }}">
+                                        {{ .Ticket.FeeTxHash }}
+                                    </a>
+                                </td>
                             </tr>
                             <tr>
-                                <th>Fee Tx Hash</th>
-                                <td>{{ .Ticket.FeeTxHash }}</td>
+                                <th>Fee Tx</th>
+                                <td>{{ .Ticket.FeeTxHex }}</td>
                             </tr>
                             <tr>
                                 <th>Fee Tx Status</th>
diff --git a/webapi/webapi.go b/webapi/webapi.go
index 3f9e03c..8e71609 100644
--- a/webapi/webapi.go
+++ b/webapi/webapi.go
@@ -11,6 +11,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"html/template"
 	"net"
 	"net/http"
 	"sync"
@@ -26,6 +27,7 @@ import (
 type Config struct {
 	VSPFee               float64
 	NetParams            *chaincfg.Params
+	BlockExplorerURL     string
 	FeeAccountName       string
 	SupportEmail         string
 	VspClosed            bool
@@ -173,6 +175,14 @@ func router(debugMode bool, cookieSecret []byte, dcrd rpc.DcrdConnect, wallets r
 	}
 
 	router := gin.New()
+
+	// Add custom functions for use in templates.
+	router.SetFuncMap(template.FuncMap{
+		"txURL":      txURL(cfg.BlockExplorerURL),
+		"blockURL":   blockURL(cfg.BlockExplorerURL),
+		"addressURL": addressURL(cfg.BlockExplorerURL),
+	})
+
 	router.LoadHTMLGlob("webapi/templates/*.html")
 
 	// Recovery middleware handles any go panics generated while processing web