From d0094d806858e144dca31d0f485700198ef20305 Mon Sep 17 00:00:00 2001
From: anastasia prasolova <anastasia@nspcc.ru>
Date: Tue, 1 Jun 2021 21:18:46 +0300
Subject: [PATCH] #70 automating password input to neo-go commands

Signed-off-by: anastasia prasolova <anastasia@nspcc.ru>
---
 bin/config.sh  |  8 +++++---
 bin/deposit.sh |  4 +++-
 bin/passwd.exp | 17 +++++++++++++++++
 3 files changed, 25 insertions(+), 4 deletions(-)
 create mode 100755 bin/passwd.exp

diff --git a/bin/config.sh b/bin/config.sh
index 4bf3319..8f8f955 100755
--- a/bin/config.sh
+++ b/bin/config.sh
@@ -7,9 +7,11 @@
 # NeoGo binary path.
 NEOGO="${NEOGO:-docker exec -it main_chain neo-go}"
 
-# Wallet files to change config value 
+# Wallet files to change config value
 WALLET="${WALLET:-services/chain/node-wallet.json}"
 WALLET_IMG="${WALLET_IMG:-wallets/node-wallet.json}"
+# Wallet password that would be entered automatically; '-' means no password
+PASSWD="one"
 
 # NeoFS configuration record: key is a string and value is an int
 KEY=${1}
@@ -23,7 +25,7 @@ ADDR=`cat ${WALLET} | jq -r .accounts[2].address`
 
 # Change config value in side chain
 echo "Changing ${KEY} configration value to ${VALUE}"
-${NEOGO} contract invokefunction \
+./bin/passwd.exp ${PASSWD} ${NEOGO} contract invokefunction \
 -w ${WALLET_IMG} \
 -a ${ADDR} \
 -r http://morph_chain.${LOCAL_DOMAIN}:30333 \
@@ -40,7 +42,7 @@ epoch | grep 'value' | awk -F'"' '{ print $4 }'`
 
 # Update epoch to apply new configuartion value
 echo "Updating NeoFS epoch to $((EPOCH+1))"
-${NEOGO} contract invokefunction \
+./bin/passwd.exp ${PASSWD} ${NEOGO} contract invokefunction \
 -w ${WALLET_IMG} \
 -a ${ADDR} \
 -r http://morph_chain.${LOCAL_DOMAIN}:30333 \
diff --git a/bin/deposit.sh b/bin/deposit.sh
index 7462f18..6340fe4 100755
--- a/bin/deposit.sh
+++ b/bin/deposit.sh
@@ -8,6 +8,8 @@
 NEOGO="${NEOGO:-docker exec -it main_chain neo-go}"
 # Wallet file to use for deposit GAS from
 WALLET="${WALLET:-wallets/wallet.json}"
+# Wallet password that would be entered automatically; '-' means no password
+PASSWD="-"
 # How much GAS to deposit. First cli argument or 50 by default
 DEPOSIT="${1:-50}"
 
@@ -16,7 +18,7 @@ ADDR=`cat ${WALLET} | jq -r .accounts[0].address`
 CONTRACT_ADDR=`${NEOGO} util convert ${NEOFS_IR_CONTRACTS_NEOFS} | grep 'LE ScriptHash to Address' | awk '{print $5}' | grep -oP [A-z0-9]+`
 
 # Make deposit
-${NEOGO} wallet nep17 transfer \
+./bin/passwd.exp ${PASSWD} ${NEOGO} wallet nep17 transfer \
 -w ${WALLET} \
 -r http://main_chain.${LOCAL_DOMAIN}:30333 \
 --from ${ADDR} \
diff --git a/bin/passwd.exp b/bin/passwd.exp
new file mode 100755
index 0000000..3c8abdc
--- /dev/null
+++ b/bin/passwd.exp
@@ -0,0 +1,17 @@
+#!/usr/bin/expect
+
+set passwd [lindex $argv 0]
+set args [lrange $argv 1 end]
+
+spawn -noecho {*}$args
+expect -re {^.*assword.*$}
+
+if { $passwd == "-"} {
+	send -- "\r"
+} else {
+	send -- "$passwd\r"
+}
+
+expect EOF
+lassign [wait] pid spawnid os_error_flag value
+exit $value