67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
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// Copyright © 2020 Vulcanize, Inc
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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// keyGenCmd represents the keyGen command
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var deriveContractCmd = &cobra.Command{
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Use: "deriveContract",
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Short: "Derive contract address",
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Long: `Derive the contract address created from an pubkey/address and nonce`,
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Run: func(cmd *cobra.Command, args []string) {
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deriveContract()
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},
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}
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func deriveContract() {
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// and their .toml config bindings
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nonce := viper.GetUint64("keyGen.nonce")
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addrStr := viper.GetString("keyGen.address")
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var addr common.Address
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if addrStr == "" {
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keyPath := viper.GetString("keyGen.path")
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key, err := crypto.LoadECDSA(keyPath)
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if err != nil {
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logWithCommand.Fatal(err)
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}
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addr = crypto.PubkeyToAddress(key.PublicKey)
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} else {
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addr = common.HexToAddress(addrStr)
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}
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contractAddr := crypto.CreateAddress(addr, nonce)
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fmt.Println(contractAddr.Hex())
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}
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func init() {
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rootCmd.AddCommand(keyGenCmd)
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keyGenCmd.PersistentFlags().Uint64("nonce", 0, "nonce to derive contract address from")
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keyGenCmd.PersistentFlags().String("key-path", "", "path to public key to derive contract address from")
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keyGenCmd.PersistentFlags().String("address", "", "address to derive contract address from")
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viper.BindPFlag("keyGen.nonce", keyGenCmd.PersistentFlags().Lookup("nonce"))
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viper.BindPFlag("keyGen.path", keyGenCmd.PersistentFlags().Lookup("key-path"))
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viper.BindPFlag("keyGen.address", keyGenCmd.PersistentFlags().Lookup("address"))
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}
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