add cli flags for connecting to your own node

main.go

@@ -15,10 +15,12 @@ import (
 )
 
 var opts struct {
-	DevEnv  bool `short:"d" description:"Start dev env"`
-	Mainnet bool `short:"m" description:"Connect to mainnet"`
-	Test    bool `short:"t" description:"Use for testing"`
-	Logs    bool `short:"l" description:"Testing logs"`
+	DevEnv     bool   `short:"d" description:"Start dev env"`
+	Mainnet    bool   `short:"m" description:"Connect to mainnet"`
+	ElectrsURL string `short:"u" description:"Connect to your own electrs instance"`
+	BackupURL  string `short:"b" description:"Connect to your own backup electrs instance"`
+	Test       bool   `short:"t" description:"Use for testing"`
+	Logs       bool   `short:"l" description:"Testing logs"`
 }
 
 func startHandlers() {
@@ -64,6 +66,18 @@ func main() {
 		electrs.SetDevEnv()
 	}
 
+	if opts.ElectrsURL != "" {
+		if opts.BackupURL != "" {
+			electrs.SetURL(opts.ElectrsURL, opts.BackupURL)
+		} else {
+			if opts.Mainnet {
+				electrs.SetURL(opts.ElectrsURL, "https://api.bithyve.com")
+			} else {
+				electrs.SetURL(opts.ElectrsURL, "https://test-wrapper.bithyve.com")
+			}
+		}
+	}
+
 	if opts.Test {
 		err = http.ListenAndServe("localhost:8080", nil)
 		if err != nil {

setup.sh

@@ -5,8 +5,8 @@ sudo apt-get update
 sudo apt-get -y upgrade
 sudo apt-get install build-essential
 
-wget https://dl.google.com/go/go1.14.1.linux-amd64.tar.gz
-sudo tar -xvf go1.14.1.linux-amd64.tar.gz
+wget https://dl.google.com/go/go1.15.4.linux-amd64.tar.gz
+sudo tar -xvf go1.15.4.linux-amd64.tar.gz
 sudo mv go /usr/bin/
 
 export GOROOT=/usr/bin/go
@@ -34,6 +34,10 @@ sudo apt-get install libclang-dev
 sudo apt-get install clang
 sudo apt-get install librocksdb-sys # or librocksdb-dev
 cargo build
+
+# run as sudo
+ulimit -n 50000
+
 # screen -SL electrs cargo run --release --bin electrs -- -vvvv --daemon-dir /home/ubuntu/.bitcoin --daemon-rpc-addr 127.0.0.1:18332 --network testnet --cors 0.0.0.0/0
 sudo screen -SL indexer ./target/release/electrs -vvvv --daemon-dir /home/ubuntu/.bitcoin --daemon-rpc-addr 127.0.0.1:8332 --cors 0.0.0.0/0 --network mainnet --bulk-index-threads 4 --index-batch-size 1000 --tx-cache-size 1000000