58 lines
1.9 KiB
Go
58 lines
1.9 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 storage
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/vulcanize/vulcanizedb/libraries/shared/repository"
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage"
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"github.com/vulcanize/vulcanizedb/libraries/shared/storage/utils"
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"github.com/vulcanize/vulcanizedb/libraries/shared/transformer"
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"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
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)
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type Transformer struct {
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Address common.Address
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Mappings storage.Mappings
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Repository repository.StorageRepository
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}
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func (transformer Transformer) NewTransformer(db *postgres.DB) transformer.StorageTransformer {
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transformer.Mappings.SetDB(db)
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transformer.Repository.SetDB(db)
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return transformer
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}
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func (transformer Transformer) ContractAddress() common.Address {
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return transformer.Address
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}
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func (transformer Transformer) Execute(row utils.StorageDiffRow) error {
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metadata, lookupErr := transformer.Mappings.Lookup(row.StorageKey)
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if lookupErr != nil {
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return lookupErr
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}
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//packed storage slots return a slice of decoded values
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value, decodeErr := utils.Decode(row, metadata)
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if decodeErr != nil {
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return decodeErr
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}
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return transformer.Repository.Create(row.BlockHeight, row.BlockHash.Hex(), metadata, value)
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}
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