Using parity as test chain for travis now

.travis.yml

@@ -5,7 +5,7 @@ elixir:
 
 install:
   - sudo apt-get update
-  - sudo apt-get install nodejs npm
+  - bash travis-install.sh
   - npm install -g ganache-cli@6.1.3
   - mix local.rebar --force # for Elixir 1.3.0 and up
   - mix local.hex --force

README.md

@@ -19,6 +19,20 @@ Ensure you have an ethereum node to connect to at the specified url in your conf
 ganache-cli
 ```
 
+Or you can use parity:
+Install Parity, then run it with
+
+```
+echo > passfile
+parity --chain dev --unlock=0x00a329c0648769a73afac7f9381e08fb43dbea72 --reseal-min-period 0 --password passfile
+```
+
+If Parity complains about password or missing account, try
+
+```
+parity --chain dev --unlock=0x00a329c0648769a73afac7f9381e08fb43dbea72
+```
+
 Make sure your config includes:
 ```elixir
 config :ethereumex,

travis_install.sh

@@ -0,0 +1,13 @@
+# just to be safe
+echo > passfile
+
+wget https://parity-downloads-mirror.parity.io/v1.8.5/x86_64-unknown-linux-gnu/parity
+
+chmod 755 ./parity
+echo > passfile
+
+./parity --chain dev 2>&1 &
+
+PARITY_PID=$!
+sleep 10
+kill -9 $(lsof -t -i:8545)

travis_test.sh

@@ -2,7 +2,7 @@
 #!/bin/bash
 
 # This is for travis
-ganache-cli 2>&1 &
+parity --chain dev --unlock=0x00a329c0648769a73afac7f9381e08fb43dbea72 --reseal-min-period 0 --password passfile 2>&1 &
 sleep 10
 mix test
 sleep 10