with-deployed-system

#!/usr/bin/env bash
## This script is invoked like
##
##   $ with-deployed-system node index.js
##
## which will run Node in the environment of a running Geth testnet
## with the Sai system deployed.
##
## The environment has ETH_RPC_URL set along with the contract addresses.
##
## When the script exits, the Geth testnet is stopped and deleted.

# set -ex

START_TIME=`date +%s`

function sed_inplace {
  # sed's -i argument behaves differently on macOS, hence this hack
  sed -i.bak "$1" $2 && rm $2.bak
}

# Check if a testnet is already running on port 2000.
if ! nc -z 127.0.0.1 2000; then

  # Fix Sai deploy script
  sed_inplace '13s/DSToken.*/WETH9)/' ./lib/sai/bin/deploy

  # Speed up ethers.js polling
  sed_inplace 's/var pollingInterval = [0-9]*/var pollingInterval = 50/' ./node_modules/ethers/providers/provider.js

  # Start a local testnet on port 2000; set to stop on exit.
  ./node_modules/.bin/ganache-cli -i 999 -p 2000 -a 1000 -m "hill law jazz limb penalty escape public dish stand bracket blue jar" >./ganache.out 2>&1 & netpid=$!
  trap "kill $netpid" EXIT

  # Wait until it's up, then use it for the deployment.
  echo "Waiting for ganache-cli to start up..."
  export ETH_RPC_URL=http://127.1:2000
  until curl -s -o/dev/null "$ETH_RPC_URL"; do sleep 2; done

  # Use the Sai system's deploy scripts to start it.
  cd lib/sai

  # Configure seth
  export ETH_GAS=${ETH_GAS:-"4000000"}
  export ETH_FROM=$(seth rpc eth_coinbase)
  export SETH_STATUS=yes
  export ETH_RPC_ACCOUNTS=yes # Don't use ethsign

  # Build & deploy the SAI contracts
  echo "Building and deploying contracts..."
  bin/deploy-fab 2> /dev/null && . load-fab-unknown
  bin/deploy 2> /dev/null     && . load-env-unknown

  # Set the ETH price feed to 400 USD
  seth send $SAI_PIP "poke(bytes32)" 0x000000000000000000000000000000000000000000000015af1d78b58c400000

  # Setting pep won't work until we can fund test accounts with MKR:
  # seth send $SAI_PEP "poke(bytes32)" 0x00000000000000000000000000000000000000000000003867bb3260a7cf7200
  seth send $SAI_MOM "setCap(uint256)" $(seth --to-uint256 $(seth --to-wei 1000 eth))

  # Save the contract addresses to a JSON file
  cat > ./out/addresses.json <<- EOM
{
  "GEM": "$SAI_GEM",
  "GOV": "$SAI_GOV",
  "PIP": "$SAI_PIP",
  "PEP": "$SAI_PEP",
  "PIT": "$SAI_PIT",
  "ADM": "$SAI_ADM",
  "SAI": "$SAI_SAI",
  "SIN": "$SAI_SIN",
  "SKR": "$SAI_SKR",
  "DAD": "$SAI_DAD",
  "MOM": "$SAI_MOM",
  "VOX": "$SAI_VOX",
  "TUB": "$SAI_TUB",
  "TAP": "$SAI_TAP",
  "TOP": "$SAI_TOP"
}
EOM

  cd ../..
  ./update-abis

  cd lib/maker-otc

  export SOLC_FLAGS=${SOLC_FLAGS:-"--optimize"}
  export ETH_GAS=${ETH_GAS:-"4000000"}
  export ETH_FROM=$(seth rpc eth_coinbase)
  export SETH_STATUS=yes
  export ETH_RPC_ACCOUNTS=yes # Don't use ethsign

  dapp build 2> /dev/null
  OTC=$(dapp create MatchingMarket 1577836800) ##this is some random date in 2020
  addr1="0xc226f3cd13d508bc319f4f4290172748199d6612"
  addr2="0x7ba25f791fa76c3ef40ac98ed42634a8bc24c238"
  seth send $OTC "addTokenPairWhitelist(address, address)" $addr1 $addr2


  ##seth send $addr2 "deposit()" --value $(seth --to-wei 1 eth) ##wrap some eth to weth
  ##make sure I have WETH
  ##seth send $addr2 "approve(address, uint256)" $OTC ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff ##approve weth to oasis
  ##seth send $OTC "offer(uint256, address, uint256, address, uint256, bool)" $(seth --to-uint256 $(seth --to-wei 0.5 eth)) $addr2 $(seth --to-uint256 $(seth --to-wei 1 eth)) $addr1 0 1 ## create an offer to buy Dai for Weth <- this isn't working
  export OTC=$OTC

  cd ../..

  END_TIME=`date +%s`
  ELAPSED=`echo $END_TIME - $START_TIME | bc`
  echo "Created testnet in" $ELAPSED "seconds."

else
  echo "You already have a test network running on port 2000."

fi

if [[ "$1" != '--ci' ]]; then
    # We now have SAI_GEM, SAI_SAI, SAI_SKR, etc in the environment.
    # See the list at the bottom of the in the deploy script.
    # Proceed to the command given as arguments (but first strip --ci as first param).
    "$@"

    # The testnet will continue to run with its deployed contracts
    # until the user confirms it should shut down.
    bash ./confirm-kill-testnet
else
    # We now have SAI_GEM, SAI_SAI, SAI_SKR, etc in the environment.
    # See the list at the bottom of the in the deploy script.
    # Proceed to the command given as arguments (but first strip --ci as first param).
    $(echo "$@" | sed 's/^\-\-ci //')
fi