ipld-eth-server/pkg/eth/helpers.go

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// 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 eth
import (
"fmt"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/statediff"
)
func ResolveFromNodeType(nodeType statediff.NodeType) int {
switch nodeType {
case statediff.Branch:
return 0
case statediff.Extension:
return 1
case statediff.Leaf:
return 2
case statediff.Removed:
return 3
default:
return -1
}
}
func ResolveToNodeType(nodeType int) statediff.NodeType {
switch nodeType {
case 0:
return statediff.Branch
case 1:
return statediff.Extension
case 2:
return statediff.Leaf
case 3:
return statediff.Removed
default:
return statediff.Unknown
}
}
// ChainConfig returns the appropriate ethereum chain config for the provided chain id
func ChainConfig(chainID uint64) (*params.ChainConfig, error) {
switch chainID {
case 1:
return params.MainnetChainConfig, nil
case 3:
return params.TestnetChainConfig, nil // Ropsten
case 4:
return params.RinkebyChainConfig, nil
case 5:
return params.GoerliChainConfig, nil
default:
return nil, fmt.Errorf("chain config for chainid %d not available", chainID)
}
}