ipld-eth-server/pkg/shared/env.go

96 lines
3.5 KiB
Go

// VulcanizeDB
// Copyright © 2019 Vulcanize
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package shared
import (
"github.com/ethereum/go-ethereum/rpc"
"github.com/btcsuite/btcd/rpcclient"
"github.com/spf13/viper"
"github.com/vulcanize/ipfs-blockchain-watcher/pkg/node"
)
// Env variables
const (
HTTP_TIMEOUT = "HTTP_TIMEOUT"
ETH_WS_PATH = "ETH_WS_PATH"
ETH_HTTP_PATH = "ETH_HTTP_PATH"
ETH_NODE_ID = "ETH_NODE_ID"
ETH_CLIENT_NAME = "ETH_CLIENT_NAME"
ETH_GENESIS_BLOCK = "ETH_GENESIS_BLOCK"
ETH_NETWORK_ID = "ETH_NETWORK_ID"
ETH_CHAIN_ID = "ETH_CHAIN_ID"
BTC_WS_PATH = "BTC_WS_PATH"
BTC_HTTP_PATH = "BTC_HTTP_PATH"
BTC_NODE_PASSWORD = "BTC_NODE_PASSWORD"
BTC_NODE_USER = "BTC_NODE_USER"
BTC_NODE_ID = "BTC_NODE_ID"
BTC_CLIENT_NAME = "BTC_CLIENT_NAME"
BTC_GENESIS_BLOCK = "BTC_GENESIS_BLOCK"
BTC_NETWORK_ID = "BTC_NETWORK_ID"
BTC_CHAIN_ID = "BTC_CHAIN_ID"
)
// GetEthNodeAndClient returns eth node info and client from path url
func GetEthNodeAndClient(path string) (node.Node, *rpc.Client, error) {
viper.BindEnv("ethereum.nodeID", ETH_NODE_ID)
viper.BindEnv("ethereum.clientName", ETH_CLIENT_NAME)
viper.BindEnv("ethereum.genesisBlock", ETH_GENESIS_BLOCK)
viper.BindEnv("ethereum.networkID", ETH_NETWORK_ID)
viper.BindEnv("ethereum.chainID", ETH_CHAIN_ID)
rpcClient, err := rpc.Dial(path)
if err != nil {
return node.Node{}, nil, err
}
return node.Node{
ID: viper.GetString("ethereum.nodeID"),
ClientName: viper.GetString("ethereum.clientName"),
GenesisBlock: viper.GetString("ethereum.genesisBlock"),
NetworkID: viper.GetString("ethereum.networkID"),
ChainID: viper.GetUint64("ethereum.chainID"),
}, rpcClient, nil
}
// GetBtcNodeAndClient returns btc node info from path url
func GetBtcNodeAndClient(path string) (node.Node, *rpcclient.ConnConfig) {
viper.BindEnv("bitcoin.nodeID", BTC_NODE_ID)
viper.BindEnv("bitcoin.clientName", BTC_CLIENT_NAME)
viper.BindEnv("bitcoin.genesisBlock", BTC_GENESIS_BLOCK)
viper.BindEnv("bitcoin.networkID", BTC_NETWORK_ID)
viper.BindEnv("bitcoin.pass", BTC_NODE_PASSWORD)
viper.BindEnv("bitcoin.user", BTC_NODE_USER)
viper.BindEnv("bitcoin.chainID", BTC_CHAIN_ID)
// For bitcoin we load in node info from the config because there is no RPC endpoint to retrieve this from the node
return node.Node{
ID: viper.GetString("bitcoin.nodeID"),
ClientName: viper.GetString("bitcoin.clientName"),
GenesisBlock: viper.GetString("bitcoin.genesisBlock"),
NetworkID: viper.GetString("bitcoin.networkID"),
ChainID: viper.GetUint64("bitcoin.chainID"),
}, &rpcclient.ConnConfig{
Host: path,
HTTPPostMode: true, // Bitcoin core only supports HTTP POST mode
DisableTLS: true, // Bitcoin core does not provide TLS by default
Pass: viper.GetString("bitcoin.pass"),
User: viper.GetString("bitcoin.user"),
}
}