test: add manual integration test scripts

scripts/linux/run-multiple-instances-from-genesis.sh

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+#
+# Run three instances where instance 0 and instance 2 are mining but instance 1 is not. The nodes are connected like this:
+# (0) <-> (1) <-> (2)
+# So whenever a block is found by 0 or by 2, it is propagated through 1.
+
+if ! command -v cpulimit &> /dev/null
+then
+    echo "cpulimit could not be found. Please install it."
+    echo "For example, on unbuntu: sudo apt-get install cpulimit"
+    # Add installation instructions for other Linux distributions here.
+    exit
+fi
+
+set -e # Exit on first error.
+
+export RUST_LOG=debug;
+
+LOCAL_STATE_DIR=~/.local/share/neptune-integration-test-from-genesis
+
+EXTRA_ARGS=""
+
+# delete all local state first.
+rm -rf $LOCAL_STATE_DIR
+
+RUST_BACKTRACE=1 XDG_DATA_HOME=$LOCAL_STATE_DIR/0/ nice -n 18 --  cargo run -- --network regtest --peer-port 29790 --rpc-port 19790 --mine $EXTRA_ARGS 2>&1 | tee /tmp/integration_test_from_genesis-0.log | sed 's/.*neptune_core:\+\(.*\)/I0:  \1/g'  &
+pid[0]=$!
+sleep 5s;
+RUST_BACKTRACE=1 XDG_DATA_HOME=$LOCAL_STATE_DIR/1/ nice -n 18 --  cargo run -- --network regtest --peer-port 29791 --rpc-port 19791 --peers 127.0.0.1:29790 $EXTRA_ARGS 2>&1 | tee /tmp/integration_test_from_genesis-1.log | sed 's/.*neptune_core:\+\(.*\)/I1:  \1/g'  &
+pid[1]=$!
+sleep 5s;
+RUST_BACKTRACE=1 XDG_DATA_HOME=$LOCAL_STATE_DIR/2/ nice -n 18 --  cargo run -- --network regtest --peer-port 29792 --rpc-port 19792 --peers 127.0.0.1:29791 --mine --max-number-of-blocks-before-syncing 1000 $EXTRA_ARGS 2>&1 | tee /tmp/integration_test_from_genesis-2.log | sed 's/.*neptune_core:\+\(.*\)/I2:  \1/g' &
+pid[2]=$!
+
+# Inspired by https://stackoverflow.com/a/52033580/2574407
+trap 'kill -0 ${pid[0]} ${pid[1]} ${pid[2]}; exit 0' SIGINT
+wait

scripts/linux/shutdown-multiple-instances.sh

@@ -0,0 +1,7 @@
+#!/usr/bin/env bash
+#
+CMD=./target/debug/neptune-cli
+
+$CMD --server-addr 127.0.0.1:19790 shutdown 
+$CMD --server-addr 127.0.0.1:19791 shutdown
+$CMD --server-addr 127.0.0.1:19792 shutdown