Turbocharge your Ethereum dev environment with this script. Support for multi-chain environments. Tailored for Maker, but mostly generic to Ethereum + L2s.

.eth

# Setup variables
export PS1="\[\e[32m\]\W\[\e[91m\]\$(parse_git_branch)\[\e[00m\] $ "
export DEFAULT_PS1="$PS1"

# RPC Endpoints
export REMOTE_MAINNET_RPC_URL=https://eth-mainnet.alchemyapi.io/v2/XXX
export OFFICE_MAINNET_RPC_URL=http://geth.dappnode:8545

export MAINNET_RPC_URL="$REMOTE_MAINNET_RPC_URL"
export OPTIMISM_RPC_URL=https://opt-mainnet.g.alchemy.com/v2/XXX
export ARBITRUM_ONE_RPC_URL=https://arb-mainnet.g.alchemy.com/v2/XXX
export ARBITRUM_NOVA_RPC_URL=https://nova.arbitrum.io/rpc
export GNOSIS_CHAIN_RPC_URL=https://rpc.ankr.com/gnosis
export BASE_RPC_URL=https://base.gateway.tenderly.co/XXX

export GOERLI_RPC_URL=https://eth-goerli.g.alchemy.com/v2/XXX
export OPTIMISM_GOERLI_RPC_URL=https://opt-goerli.g.alchemy.com/v2/XXX
export ARBITRUM_ONE_GOERLI_RPC_URL=https://arb-goerli.g.alchemy.com/v2/XXX
export ZKSYNC_GOERLI_RPC_URL=https://zksync2-testnet.zksync.dev
export GNOSIS_CHAIN_GOERLI_RPC_URL=https://rpc.chiado.gnosis.gateway.fm
export BASE_GOERLI_RPC_URL=https://base-goerli.gateway.tenderly.co/XXX

export LOCAL_RPC_URL=http://127.0.0.1:8545

# Misc Util functions
json-to-env() {
  VALUES=$(curl -s -L $1)
  for s in $(echo $VALUES | jq -r "to_entries|map(\"\(.key)=\(.value|tostring)\")|.[]" ); do
    export $s
  done
}

# Local Forking
anvil-node() {
  if [ -z "$1" ]
  then
    anvil --fork-url $ETH_RPC_URL
  else
    anvil --fork-url $ETH_RPC_URL --port $1
  fi
}

# Switch Environments
ep() {
  unset ETH_PASSWORD
  export ETH_PROFILE="$1"
  if [ "$1" = "default" ]; then
    export ETH_FROM=0xd200790f62c8da69973e61d4936cfE4f356ccD07
    export ETH_KEYSTORE="$HOME/Library/Ethereum/keystore/UTC--2020-10-09T19-18-28.441605000Z--d200790f62c8da69973e61d4936cfe4f356ccd07"
  elif [ "$1" = "phoenix" ]; then
    export ETH_FROM=0xd1236a6A111879d9862f8374BA15344b6B233Fbd
    export ETH_KEYSTORE="$HOME/Library/Ethereum/keystore/UTC--2023-02-27T19-46-21.689622000Z--d1236a6a111879d9862f8374ba15344b6b233fbd"
  elif [ "$1" = "fork" ]; then
    export ETH_PASSWORD=~/.pass-local
    export ETH_FROM=0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266
    export ETH_KEYSTORE="$HOME/Library/Ethereum/keystore/UTC--2021-10-01T18-31-44.259779000Z--f39fd6e51aad88f6f4ce6ab8827279cfffb92266"
  else
    unset ETH_PROFILE
    unset ETH_FROM
    unset ETH_KEYSTORE
    echo "Unknown profile configuration."
  fi
  export PS1="\[\033[36m\][$ETH_PROFILE-$ETH_NETWORK] $DEFAULT_PS1"
}
en() {
  export ETH_NETWORK="$1"
  export MAINNET_RPC_URL="$REMOTE_MAINNET_RPC_URL"
  if [ "$1" = "mainnet" ]; then
    json-to-env https://chainlog.makerdao.com/api/mainnet/active.json
    export ETH_RPC_URL="$MAINNET_RPC_URL"
  elif [ "$1" = "mainnet-office" ]; then
    json-to-env https://chainlog.makerdao.com/api/mainnet/active.json
    export ETH_RPC_URL="$OFFICE_MAINNET_RPC_URL"
    export MAINNET_RPC_URL="$OFFICE_MAINNET_RPC_URL"
  elif [ "$1" = "goerli" ]; then
    json-to-env https://chainlog.makerdao.com/api/goerli/active.json
    export ETH_RPC_URL="$GOERLI_RPC_URL"
  elif [ "$1" = "gnosis" ]; then
    export ETH_RPC_URL="$GNOSIS_CHAIN_RPC_URL"
  elif [ "$1" = "gnosis-goerli" ]; then
    export ETH_RPC_URL="$GNOSIS_CHAIN_GOERLI_RPC_URL"
  elif [ "$1" = "base" ]; then
    export ETH_RPC_URL="$BASE_RPC_URL"
  elif [ "$1" = "optimism" ]; then
    export ETH_RPC_URL="$OPTIMISM_RPC_URL"
  elif [ "$1" = "arbitrum" ]; then
    export ETH_RPC_URL="$ARBITRUM_ONE_RPC_URL"
  elif [ "$1" = "local" ]; then
    export ETH_RPC_URL="$LOCAL_RPC_URL"
    if [ $(cast chain-id) -eq 5 ]; then
      json-to-env https://chainlog.makerdao.com/api/goerli/active.json
    else
      json-to-env https://chainlog.makerdao.com/api/mainnet/active.json
    fi
  else
    unset ETH_NETWORK
    unset ETH_RPC_URL
    echo "Unknown network configuration."
  fi
  #export ETH_GAS_PRICE=`echo "$(cast basefee) * 2" | bc`
  export PS1="\[\033[36m\][$ETH_PROFILE-$ETH_NETWORK] $DEFAULT_PS1"
}

# Set default env
ep default
en mainnet