Add scripts to run relays in testnets

.travis.yml

@@ -9,9 +9,11 @@ node_js:
   - '10'
 env:
   - ETHBRIDGE=1
+  - ETHRELAY=1
   - NEARBRIDGE=1
   - NEARBRIDGE_LINT=1
   - NEARBRIDGE_COVERAGE=1
+  - NEARRELAY=1
 script:
   - if [ $ETHBRIDGE == "1" ]; then
       cd ./ethbridge;
@@ -21,6 +23,18 @@ script:
       rustup target add wasm32-unknown-unknown --toolchain stable;
       ./test.sh;
     fi
+  - if [ $ETHRELAY == "1" ]; then
+      cd ./ethbridge;
+      sh <(curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs) -y && export PATH=$PATH:~/.cargo/bin;
+      rustup toolchain install stable;
+      rustup default stable;
+      rustup target add wasm32-unknown-unknown --toolchain stable;
+      ./build.sh;
+      cd ../ethrelay/ethashproof;
+      ./build.sh;
+      cd ..;
+      yarn && yarn run test;
+    fi
   - if [ $NEARBRIDGE == "1" ]; then
       cd ./nearbridge;
       yarn;
@@ -37,3 +51,13 @@ script:
       yarn;
       yarn run coverage && cat coverage/lcov.info | coveralls;
     fi
+  - if [ $NEARRELAY == "1" ]; then
+      cd ./ethbridge;
+      sh <(curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs) -y && export PATH=$PATH:~/.cargo/bin;
+      rustup toolchain install stable;
+      rustup default stable;
+      rustup target add wasm32-unknown-unknown --toolchain stable;
+      ./build.sh;
+      cd ../nearrelay;
+      yarn && yarn run test;
+    fi

ethrelay/index.js

@@ -37,15 +37,6 @@ function subscribeOnBlocksRangesFrom(web3, block_number, handler) {
     });
 }
 
-function arrayPrefixU32Length(array) {
-    return [
-        Math.trunc(array.length) % 256,
-        Math.trunc(array.length / 256) % 256,
-        Math.trunc(array.length / 256 / 256) % 256,
-        Math.trunc(array.length / 256 / 256 / 256) % 256,
-    ].concat(...array);
-}
-
 const hexToBuffer = (hex) => Buffer.from(Web3.utils.hexToBytes(hex));
 const readerToHex = (len) => (reader) => Web3.utils.bytesToHex(reader.read_fixed_array(len));
 
@@ -341,16 +332,15 @@ class EthBridgeContract extends Contract {
 
 (async function () {
 
-    const web3 = new Web3("wss://mainnet.infura.io/ws/v3/b5f870422ee5454fb11937e947154cd2");
+    const web3 = new Web3(process.env.ETHEREUM_NODE_URL);
     const near = await nearlib.connect({
-        nodeUrl: 'http://localhost:3030', //'https://rpc.nearprotocol.com',
-        networkId: 'local', // TODO: detect automatically
+        nodeUrl: process.env.NEAR_NODE_URL, // 'https://rpc.nearprotocol.com',
+        networkId: process.env.NEAR_NODE_NETWORK_ID, // TODO: detect automatically
         deps: {
             keyStore: new nearlib.keyStores.UnencryptedFileSystemKeyStore(__dirname + '/neardev')
         }
     });
 
-
     const account = new nearlib.Account(near.connection, 'ethbridge');
 
     const ethBridgeContract = new EthBridgeContract(account, 'ethbridge');

ethrelay/package.json

@@ -4,13 +4,15 @@
   "description": "Ethereum >> Near relay",
   "main": "index.js",
   "scripts": {
-    "start": "scripts/start.sh"
+    "test": "scripts/run_localnet.sh",
+    "start": "scripts/run_testnet.sh"
   },
   "author": "",
   "license": "MIT",
   "dependencies": {
     "near-shell": "^0.20.1",
     "nearlib": "^0.21.0",
+    "ganache-cli": "^6.9.0",
     "web3": "^1.2.4"
   }
 }

ethrelay/scripts/run_localnet.sh

@@ -0,0 +1,89 @@
+#!/usr/bin/env bash
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+
+# Exit script as soon as a command fails.
+set -o errexit
+
+# Executes cleanup function at script exit.
+trap cleanup EXIT
+
+waitport() {
+    while ! nc -z localhost $1 ; do sleep 1 ; done
+}
+
+cleanup() {
+    # Kill the nearnode instance that we started (if we started one and if it's still running).
+    if [ -n "$node_started" ]; then
+        docker kill nearcore watchtower > /dev/null &
+    fi
+
+    # Kill the ganache instance that we started (if we started one and if it's still running).
+    if [ -n "$ganache_pid" ] && ps -p $ganache_pid > /dev/null; then
+        kill $ganache_pid
+    fi
+}
+
+nearnode_port=24567
+
+nearnode_running() {
+    nc -z localhost "$nearnode_port"
+}
+
+start_nearnode() {
+    echo "ethrelay" | "$DIR/start_localnet.py" --home "$DIR/.near" --image "nearprotocol/nearcore:ethdenver"
+    waitport $nearnode_port
+}
+
+if nearnode_running; then
+    echo "Using existing nearnode instance"
+else
+    echo "Starting our own nearnode instance"
+    rm -rf "$DIR/.near"
+    start_nearnode
+    node_started=1
+fi
+
+ganache_port=9545
+
+ganache_running() {
+    nc -z localhost "$ganache_port"
+}
+
+start_ganache() {
+    local accounts=(
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501200,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501201,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501202,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501203,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501204,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501205,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501206,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501207,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501208,1000000000000000000000000"
+        --account="0x2bdd21761a483f71054e14f5b827213567971c676928d9a1808cbfa4b7501209,1000000000000000000000000"
+    )
+
+    yarn run ganache-cli --blockTime 12 --gasLimit 10000000 -p "$ganache_port" "${accounts[@]}" > /dev/null &
+    ganache_pid=$!
+    waitport $ganache_port
+}
+
+if ganache_running; then
+    echo "Using existing ganache instance"
+else
+    echo "Starting our own ganache instance"
+    start_ganache
+fi
+
+NODE_URL="http://localhost:3030"
+
+echo "Creating account for smart contract:"
+NODE_ENV=local yarn run near --nodeUrl=$NODE_URL --homeDir "$DIR/.near" --keyPath "$DIR/.near/validator_key.json" create_account ethbridge --masterAccount=ethrelay --initialBalance 100000000 || echo "Skip creating ethbridge accout"
+echo "Deploying smart contract:"
+NODE_ENV=local yarn run near --nodeUrl=$NODE_URL --homeDir "$DIR/.near" --keyPath "$DIR/.near/validator_key.json" deploy --contractName ethbridge --wasmFile "$DIR/../../ethbridge/res/eth_bridge.wasm" || echo "Skip deploying ethbridge smart contract"
+
+NEAR_NODE_URL="http://localhost:3030" \
+    NEAR_NODE_NETWORK_ID=local \
+    ETHEREUM_NODE_URL="ws://localhost:$ganache_port" \
+    node "$DIR/../index.js"

ethrelay/scripts/run_testnet.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+# Exit script as soon as a command fails.
+set -o errexit
+
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+NODE_URL="https://rpc.nearprotocol.com"
+
+echo "Creating account for smart contract:"
+NODE_ENV=local yarn run near --nodeUrl=$NODE_URL --homeDir "$DIR/.near" --keyPath "$DIR/.near/validator_key.json" create_account ethbridge --masterAccount=ethrelay --initialBalance 100000000 || echo "Skip creating ethbridge accout"
+echo "Deploying smart contract:"
+NODE_ENV=local yarn run near --nodeUrl=$NODE_URL --homeDir "$DIR/.near" --keyPath "$DIR/.near/validator_key.json" deploy --contractName ethbridge --wasmFile "$DIR/../../ethbridge/res/eth_bridge.wasm" || echo "Skip deploying ethbridge smart contract"
+
+# Successfully stop after 5m
+{ sleep 5m && kill -l 0 $$ && echo "Successfully worked for 5m, stopped" } &
+
+# Launch EthRelay
+NEAR_NODE_URL="https://rpc.nearprotocol.com" \
+    NEAR_NODE_NETWORK_ID=local \
+    ETHEREUM_NODE_URL="wss://ropsten.infura.io/ws/v3/b5f870422ee5454fb11937e947154cd2" \
+    node "$DIR/../index.js"