ipld-eth-server/libraries/shared/constants/external.go
2019-12-02 11:26:44 -06:00

81 lines
2.2 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 constants
import (
"fmt"
"math"
log "github.com/sirupsen/logrus"
"github.com/spf13/viper"
)
var initialized = false
func initConfig() {
if initialized {
return
}
if err := viper.ReadInConfig(); err == nil {
log.Info("Using config file:", viper.ConfigFileUsed())
} else {
panic(fmt.Sprintf("Could not find environment file: %v", err))
}
initialized = true
}
// GetMinDeploymentBlock gets the minimum deployment block for multiple contracts from config
func GetMinDeploymentBlock() uint64 {
initConfig()
contractNames := getContractNames()
if len(contractNames) < 1 {
log.Fatalf("No contracts supplied")
}
minBlock := uint64(math.MaxUint64)
for c := range contractNames {
deployed := getDeploymentBlock(c)
if deployed < minBlock {
minBlock = deployed
}
}
return minBlock
}
func getContractNames() map[string]bool {
transformerNames := viper.GetStringSlice("exporter.transformerNames")
contractNames := make(map[string]bool)
for _, transformerName := range transformerNames {
configKey := "exporter." + transformerName + ".contracts"
names := viper.GetStringSlice(configKey)
for _, name := range names {
contractNames[name] = true
}
}
return contractNames
}
func getDeploymentBlock(contractName string) uint64 {
configKey := "contract." + contractName + ".deployed"
value := viper.GetInt64(configKey)
if value < 0 {
log.Infof("No deployment block configured for contract \"%v\", defaulting to 0.", contractName)
return 0
}
return uint64(value)
}