57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
// VulcanizeDB
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// Copyright © 2019 Vulcanize
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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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// 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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// 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 ipfs
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import (
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"context"
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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/ipfs/go-blockservice"
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"github.com/ipfs/go-ipfs/core"
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"github.com/ipfs/go-ipfs/repo/fsrepo"
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)
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// InitIPFSBlockService is used to configure and return a BlockService using an ipfs repo path (e.g. ~/.ipfs)
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func InitIPFSBlockService(ipfsPath string) (blockservice.BlockService, error) {
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r, err := fsrepo.Open(ipfsPath)
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if err != nil {
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return nil, err
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}
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ctx := context.Background()
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cfg := &core.BuildCfg{
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Online: false,
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Repo: r,
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}
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ipfsNode, err := core.NewNode(ctx, cfg)
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if err != nil {
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return nil, err
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}
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return ipfsNode.Blocks, nil
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}
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// AddressToKey hashes an address
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func AddressToKey(address common.Address) common.Hash {
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return crypto.Keccak256Hash(address[:])
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}
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// HexToKey hashes a hex (0x leading) string
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func HexToKey(hex string) common.Hash {
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addr := common.HexToAddress(hex)
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return crypto.Keccak256Hash(addr[:])
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}
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