b8fec5e4e3
- Extract shared namespace for looking up and hashing keys - Require storage transformers only to implement a loader that associates known keys with metadata - Move key loader/lookup utils to utils directory to avoid multiple "storage" packages in imports
38 lines
1.2 KiB
Go
38 lines
1.2 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 utils
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/crypto"
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)
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func AddHashedKeys(currentMappings map[common.Hash]StorageValueMetadata) map[common.Hash]StorageValueMetadata {
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copyOfCurrentMappings := make(map[common.Hash]StorageValueMetadata)
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for k, v := range currentMappings {
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copyOfCurrentMappings[k] = v
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}
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for k, v := range copyOfCurrentMappings {
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currentMappings[hashKey(k)] = v
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}
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return currentMappings
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}
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func hashKey(key common.Hash) common.Hash {
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return crypto.Keccak256Hash(key.Bytes())
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}
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