forked from cerc-io/ipld-eth-server
83 lines
2.3 KiB
Go
83 lines
2.3 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2018 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 utils
|
|
|
|
import (
|
|
"math/big"
|
|
"os"
|
|
"path/filepath"
|
|
|
|
log "github.com/sirupsen/logrus"
|
|
|
|
"github.com/vulcanize/vulcanizedb/pkg/config"
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
|
|
"github.com/vulcanize/vulcanizedb/pkg/geth"
|
|
)
|
|
|
|
func LoadPostgres(database config.Database, node core.Node) postgres.DB {
|
|
db, err := postgres.NewDB(database, node)
|
|
if err != nil {
|
|
log.Fatalf("Error loading postgres\n%v", err)
|
|
}
|
|
return *db
|
|
}
|
|
|
|
func ReadAbiFile(abiFilepath string) string {
|
|
abiFilepath = AbsFilePath(abiFilepath)
|
|
abi, err := geth.ReadAbiFile(abiFilepath)
|
|
if err != nil {
|
|
log.Fatalf("Error reading ABI file at \"%s\"\n %v", abiFilepath, err)
|
|
}
|
|
return abi
|
|
}
|
|
|
|
func AbsFilePath(filePath string) string {
|
|
if !filepath.IsAbs(filePath) {
|
|
cwd, _ := os.Getwd()
|
|
filePath = filepath.Join(cwd, filePath)
|
|
}
|
|
return filePath
|
|
}
|
|
|
|
func GetAbi(abiFilepath string, contractHash string, network string) string {
|
|
var contractAbiString string
|
|
if abiFilepath != "" {
|
|
contractAbiString = ReadAbiFile(abiFilepath)
|
|
} else {
|
|
url := geth.GenURL(network)
|
|
etherscan := geth.NewEtherScanClient(url)
|
|
log.Printf("No ABI supplied. Retrieving ABI from Etherscan: %s", url)
|
|
contractAbiString, _ = etherscan.GetAbi(contractHash)
|
|
}
|
|
_, err := geth.ParseAbi(contractAbiString)
|
|
if err != nil {
|
|
log.Fatalln("Invalid ABI")
|
|
}
|
|
return contractAbiString
|
|
}
|
|
|
|
func RequestedBlockNumber(blockNumber *int64) *big.Int {
|
|
var _blockNumber *big.Int
|
|
if *blockNumber == -1 {
|
|
_blockNumber = nil
|
|
} else {
|
|
_blockNumber = big.NewInt(*blockNumber)
|
|
}
|
|
return _blockNumber
|
|
}
|