5e64283a12
* Add ability to fetch logs for a contract and a block * Test contract related code against Infura, so can run on Travis * Add godo task for getLogs
70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
package cmd
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import (
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"log"
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"path/filepath"
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"fmt"
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"math/big"
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"github.com/8thlight/vulcanizedb/pkg/config"
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"github.com/8thlight/vulcanizedb/pkg/core"
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"github.com/8thlight/vulcanizedb/pkg/geth"
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"github.com/8thlight/vulcanizedb/pkg/repositories"
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)
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func LoadConfig(environment string) config.Config {
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cfg, err := config.NewConfig(environment)
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if err != nil {
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log.Fatalf("Error loading config\n%v", err)
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}
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return cfg
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}
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func LoadPostgres(database config.Database, node core.Node) repositories.Postgres {
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repository, err := repositories.NewPostgres(database, node)
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if err != nil {
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log.Fatalf("Error loading postgres\n%v", err)
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}
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return repository
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}
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func ReadAbiFile(abiFilepath string) string {
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if !filepath.IsAbs(abiFilepath) {
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abiFilepath = filepath.Join(config.ProjectRoot(), abiFilepath)
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}
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abi, err := geth.ReadAbiFile(abiFilepath)
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if err != nil {
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log.Fatalf("Error reading ABI file at \"%s\"\n %v", abiFilepath, err)
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}
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return abi
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}
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func GetAbi(abiFilepath string, contractHash string) string {
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var contractAbiString string
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if abiFilepath != "" {
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contractAbiString = ReadAbiFile(abiFilepath)
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} else {
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etherscan := geth.NewEtherScanClient("https://api.etherscan.io")
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fmt.Println("No ABI supplied. Retrieving ABI from Etherscan")
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contractAbiString, _ = etherscan.GetAbi(contractHash)
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}
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_, err := geth.ParseAbi(contractAbiString)
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if err != nil {
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log.Fatalln("Invalid ABI")
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}
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return contractAbiString
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}
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func RequestedBlockNumber(blockNumber *int64) *big.Int {
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var _blockNumber *big.Int
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if *blockNumber == -1 {
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_blockNumber = nil
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} else {
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_blockNumber = big.NewInt(*blockNumber)
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}
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return _blockNumber
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}
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