diff --git a/src/test-services/binanceBalance/run.sh b/src/test-services/binanceBalance/run.sh
index 167d034..ec82b26 100755
--- a/src/test-services/binanceBalance/run.sh
+++ b/src/test-services/binanceBalance/run.sh
@@ -4,6 +4,9 @@ set -e
 
 cd $(dirname "$0")
 
+# either development or staging
+TARGET_NETWORK=${TARGET_NETWORK:=development}
+
 docker build -t binance-balance . > /dev/null
 
-docker run --rm --env-file .env binance-balance $@
+docker run --rm --env-file ".env.$TARGET_NETWORK" binance-balance $@
diff --git a/src/test-services/binanceSend/run.sh b/src/test-services/binanceSend/run.sh
index 008f3f3..a2b8457 100755
--- a/src/test-services/binanceSend/run.sh
+++ b/src/test-services/binanceSend/run.sh
@@ -4,6 +4,9 @@ set -e
 
 cd $(dirname "$0")
 
+# either development or staging
+TARGET_NETWORK=${TARGET_NETWORK:=development}
+
 docker build -t binance-send . > /dev/null
 
-docker run --rm --env-file .env binance-send $@
+docker run --rm --env-file ".env.$TARGET_NETWORK" --env-file "../keys.$TARGET_NETWORK" binance-send $@
diff --git a/src/test-services/ethereumBalance/run.sh b/src/test-services/ethereumBalance/run.sh
index a2eec47..c4f6dd0 100755
--- a/src/test-services/ethereumBalance/run.sh
+++ b/src/test-services/ethereumBalance/run.sh
@@ -4,6 +4,9 @@ set -e
 
 cd $(dirname "$0")
 
+# either development or staging
+TARGET_NETWORK=${TARGET_NETWORK:=development}
+
 docker build -t ethreum-balance . > /dev/null
 
-docker run --network blockchain_home --rm --env-file .env ethreum-balance $@
+docker run --network blockchain_home --rm --env-file ".env.$TARGET_NETWORK" ethreum-balance $@
diff --git a/src/test-services/ethereumBalance/testGetEthereumBalance.js b/src/test-services/ethereumBalance/testGetEthereumBalance.js
index f05cf55..477593e 100644
--- a/src/test-services/ethereumBalance/testGetEthereumBalance.js
+++ b/src/test-services/ethereumBalance/testGetEthereumBalance.js
@@ -9,6 +9,8 @@ const token = new web3.eth.Contract(abiToken, HOME_TOKEN_ADDRESS)
 
 const address = process.argv[2]
 
+web3.eth.getBalance(address).then(x => console.log(x.toString()))
+
 token.methods.balanceOf(address).call()
   .then(x => console.log(x.toString()))
   .catch(() => console.log(0))
diff --git a/src/test-services/ethereumSend/run.sh b/src/test-services/ethereumSend/run.sh
index c7ffab7..b301b9e 100755
--- a/src/test-services/ethereumSend/run.sh
+++ b/src/test-services/ethereumSend/run.sh
@@ -4,6 +4,9 @@ set -e
 
 cd $(dirname "$0")
 
+# either development or staging
+TARGET_NETWORK=${TARGET_NETWORK:=development}
+
 docker build -t ethreum-send . > /dev/null
 
-docker run --network blockchain_home --rm --env-file .env ethreum-send $@
+docker run --network blockchain_home --rm --env-file ".env.$TARGET_NETWORK" --env-file "../keys.$TARGET_NETWORK" ethreum-send $@
diff --git a/src/test-services/ethereumSend/testEthereumSend.js b/src/test-services/ethereumSend/testEthereumSend.js
index 26f6f2f..c270923 100644
--- a/src/test-services/ethereumSend/testEthereumSend.js
+++ b/src/test-services/ethereumSend/testEthereumSend.js
@@ -1,7 +1,7 @@
 const Web3 = require('web3')
 const BN = require('bignumber.js')
 
-const { HOME_RPC_URL, HOME_BRIDGE_ADDRESS, HOME_CHAIN_ID, HOME_PRIVATE_KEY, HOME_TOKEN_ADDRESS } = process.env
+const { HOME_RPC_URL, HOME_BRIDGE_ADDRESS, HOME_PRIVATE_KEY, HOME_TOKEN_ADDRESS } = process.env
 
 const abiToken = require('./IERC20').abi
 
@@ -11,6 +11,7 @@ const token = new web3.eth.Contract(abiToken, HOME_TOKEN_ADDRESS)
 const sender = web3.eth.accounts.privateKeyToAccount(`0x${HOME_PRIVATE_KEY}`).address
 
 async function main () {
+  const HOME_CHAIN_ID = await web3.eth.net.getId()
 
   let to = process.argv[2]
 
@@ -49,13 +50,13 @@ async function main () {
       from: sender,
       to: to,
       nonce: await web3.eth.getTransactionCount(sender),
-      chainId: parseInt(HOME_CHAIN_ID),
+      chainId: HOME_CHAIN_ID,
       value: web3.utils.toWei(new BN(coins).toString(), 'ether'),
       gas: 21000
     }
-    signedTx = await web3.eth.accounts.signTransaction(tx_coins, HOME_PRIVATE_KEY)
+    const signedTx = await web3.eth.accounts.signTransaction(tx_coins, HOME_PRIVATE_KEY)
 
-    receipt = await web3.eth.sendSignedTransaction(signedTx.rawTransaction)
+    const receipt = await web3.eth.sendSignedTransaction(signedTx.rawTransaction)
     console.log('txHash: ' + receipt.transactionHash)
   }
 
diff --git a/src/test-services/sidePrefund/Dockerfile b/src/test-services/sidePrefund/Dockerfile
new file mode 100644
index 0000000..15d2e34
--- /dev/null
+++ b/src/test-services/sidePrefund/Dockerfile
@@ -0,0 +1,11 @@
+FROM node:10.16.0-alpine
+
+WORKDIR /test
+
+COPY package.json /test/
+
+RUN npm install
+
+COPY testEthereumSend.js /test/
+
+ENTRYPOINT ["node", "testEthereumSend.js"]
diff --git a/src/test-services/sidePrefund/package.json b/src/test-services/sidePrefund/package.json
new file mode 100644
index 0000000..db04192
--- /dev/null
+++ b/src/test-services/sidePrefund/package.json
@@ -0,0 +1,8 @@
+{
+  "name": "ethereum-send",
+  "version": "0.0.1",
+  "dependencies": {
+  	"bignumber.js": "9.0.0",
+    "web3": "1.0.0-beta.55"
+  }
+}
diff --git a/src/test-services/sidePrefund/run.sh b/src/test-services/sidePrefund/run.sh
new file mode 100755
index 0000000..d041718
--- /dev/null
+++ b/src/test-services/sidePrefund/run.sh
@@ -0,0 +1,11 @@
+#!/bin/bash
+
+set -e
+
+cd $(dirname "$0")
+
+echo "Using $TARGET_NETWORK network"
+
+docker build -t ethereum-send . > /dev/null
+
+docker run --network blockchain_side --rm --env-file .env --env-file "../.env.$TARGET_NETWORK" ethereum-send $@
diff --git a/src/test-services/sidePrefund/testEthereumSend.js b/src/test-services/sidePrefund/testEthereumSend.js
new file mode 100644
index 0000000..731af3e
--- /dev/null
+++ b/src/test-services/sidePrefund/testEthereumSend.js
@@ -0,0 +1,34 @@
+const Web3 = require('web3')
+const BN = require('bignumber.js')
+
+const { SIDE_RPC_URL, SIDE_PRIVATE_KEY } = process.env
+
+const web3 = new Web3(SIDE_RPC_URL, null, { transactionConfirmationBlocks: 1 })
+
+const sender = web3.eth.accounts.privateKeyToAccount(`0x${SIDE_PRIVATE_KEY}`).address
+
+async function main () {
+  const SIDE_CHAIN_ID = await web3.eth.net.getId()
+
+  const to = process.argv[2]
+  const amount = parseFloat(process.argv[3])
+
+  console.log(`Transfer from ${sender} to ${to}, ${amount} eth`)
+
+  const tx_coins = {
+    data: '0x',
+    from: sender,
+    to: to,
+    nonce: await web3.eth.getTransactionCount(sender),
+    chainId: SIDE_CHAIN_ID,
+    value: web3.utils.toWei(new BN(amount).toString(), 'ether'),
+    gas: 21000
+  }
+  const signedTx = await web3.eth.accounts.signTransaction(tx_coins, SIDE_PRIVATE_KEY)
+
+  const receipt = await web3.eth.sendSignedTransaction(signedTx.rawTransaction)
+  console.log('txHash: ' + receipt.transactionHash)
+
+}
+
+main()