Implement view of OP_RETURN scripts

api/worker.go

@@ -112,8 +112,7 @@ func (w *Worker) GetTransaction(txid string, bestheight uint32, spendingTxs bool
 		vout.Value = w.chainParser.AmountToDecimalString(&bchainVout.ValueSat)
 		valOutSat.Add(&valOutSat, &bchainVout.ValueSat)
 		vout.ScriptPubKey.Hex = bchainVout.ScriptPubKey.Hex
-
-		vout.ScriptPubKey.Addresses = bchainVout.ScriptPubKey.Addresses
+		vout.ScriptPubKey.Addresses, vout.ScriptPubKey.Searchable, err = w.getAddressesFromVout(bchainVout)
 		if spendingTxs {
 			// TODO
 		}

bchain/coins/btc/bitcoinparser.go

@@ -63,7 +63,7 @@ func (p *BitcoinParser) GetAddrDescFromAddress(address string) ([]byte, error) {
 
 // GetAddressesFromAddrDesc returns addresses for given address descriptor with flag if the addresses are searchable
 func (p *BitcoinParser) GetAddressesFromAddrDesc(addrDesc []byte) ([]string, bool, error) {
-	return p.outputScriptToAddresses(addrDesc)
+	return p.OutputScriptToAddressesFunc(addrDesc)
 }
 
 // GetScriptFromAddrDesc returns output script for given address descriptor
@@ -97,6 +97,27 @@ func (p *BitcoinParser) outputScriptToAddresses(script []byte) ([]string, bool,
 	var s bool
 	if sc != txscript.NonStandardTy && sc != txscript.NullDataTy {
 		s = true
+	} else {
+		if len(script) > 1 && script[0] == txscript.OP_RETURN && len(rv) == 0 {
+			l := int(script[1])
+			data := script[2:]
+			if l == len(data) {
+				isASCII := true
+				for _, c := range data {
+					if c < 32 || c > 127 {
+						isASCII = false
+						break
+					}
+				}
+				var ed string
+				if isASCII {
+					ed = "(" + string(data) + ")"
+				} else {
+					ed = hex.EncodeToString([]byte{byte(l)}) + " " + hex.EncodeToString(data)
+				}
+				rv = []string{"OP_RETURN " + ed}
+			}
+		}
 	}
 	return rv, s, nil
 }

bchain/coins/btc/bitcoinparser_test.go

@@ -102,10 +102,16 @@ func Test_GetAddressesFromAddrDesc(t *testing.T) {
 			wantErr: false,
 		},
 		{
-			// TODO handle OP_RETURN better
-			name:    "OP_RETURN",
+			name:    "OP_RETURN ascii",
 			args:    args{script: "6a0461686f6a"},
-			want:    []string{},
+			want:    []string{"OP_RETURN (ahoj)"},
+			want2:   false,
+			wantErr: false,
+		},
+		{
+			name:    "OP_RETURN hex",
+			args:    args{script: "6a072020f1686f6a20"},
+			want:    []string{"OP_RETURN 07 2020f1686f6a20"},
 			want2:   false,
 			wantErr: false,
 		},

static/templates/txdetail.html

@@ -18,12 +18,11 @@
                             <td>
                                 {{range $a := $vin.Addresses}}
                                 <span class="ellipsis float-left">
-                                    {{if eq $a $addr}}{{$a}}{{else}}
-                                    <a href="/explorer/address/{{$a}}">{{$a}}</a>{{end}}
+                                    {{if and (ne $a $addr) $vin.Searchable}}<a href="/explorer/address/{{$a}}">{{$a}}</a>{{else}}{{$a}}{{end}}
                                 </span>
                                 {{else}}
                                 <span class="float-left">No Inputs (Newly Generated Coins)</span>
-                                {{end}} {{if $vin.Addresses}}
+                                {{end}}{{if $vin.Addresses}}
                                 <span class="float-right{{if stringInSlice $addr $vin.Addresses}} text-danger{{end}}">{{formatAmount $vin.Value}} {{$cs}}</span>
                                 {{end}}
                             </td>
@@ -47,8 +46,7 @@
                             <td>
                                 {{range $a := $vout.ScriptPubKey.Addresses}}
                                 <span class="ellipsis float-left">
-                                    {{if eq $a $addr}}{{$a}}{{else}}
-                                    <a href="/explorer/address/{{$a}}">{{$a}}</a>{{end}}
+                                    {{if and (ne $a $addr) $vout.ScriptPubKey.Searchable}}<a href="/explorer/address/{{$a}}">{{$a}}</a>{{else}}{{$a}}{{end}}
                                 </span>
                                 {{else}}
                                 <span class="float-left">Unparsed address</span>