ipld-eth-server/pkg/datastore/repository.go

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// VulcanizeDB
// Copyright © 2018 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 datastore
import (
"fmt"
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"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/filters"
)
var ErrBlockDoesNotExist = func(blockNumber int64) error {
return fmt.Errorf("Block number %d does not exist", blockNumber)
}
type BlockRepository interface {
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CreateOrUpdateBlock(block core.Block) (int64, error)
GetBlock(blockNumber int64) (core.Block, error)
MissingBlockNumbers(startingBlockNumber, endingBlockNumber int64, nodeID string) []int64
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SetBlocksStatus(chainHead int64) error
}
var ErrContractDoesNotExist = func(contractHash string) error {
return fmt.Errorf("Contract %v does not exist", contractHash)
}
type ContractRepository interface {
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CreateContract(contract core.Contract) error
GetContract(contractHash string) (core.Contract, error)
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ContractExists(contractHash string) (bool, error)
}
var ErrFilterDoesNotExist = func(name string) error {
return fmt.Errorf("filter %s does not exist", name)
}
type FilterRepository interface {
CreateFilter(filter filters.LogFilter) error
GetFilter(name string) (filters.LogFilter, error)
}
type HeaderRepository interface {
CreateOrUpdateHeader(header core.Header) (int64, error)
GetHeader(blockNumber int64) (core.Header, error)
MissingBlockNumbers(startingBlockNumber, endingBlockNumber int64, nodeID string) ([]int64, error)
}
type LogRepository interface {
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CreateLogs(logs []core.Log, receiptId int64) error
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GetLogs(address string, blockNumber int64) ([]core.Log, error)
}
var ErrReceiptDoesNotExist = func(txHash string) error {
return fmt.Errorf("Receipt for tx: %v does not exist", txHash)
}
type ReceiptRepository interface {
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CreateReceiptsAndLogs(blockId int64, receipts []core.Receipt) error
CreateReceipt(blockId int64, receipt core.Receipt) (int64, error)
GetReceipt(txHash string) (core.Receipt, error)
}
type WatchedEventRepository interface {
GetWatchedEvents(name string) ([]*core.WatchedEvent, error)
}