ipld-eth-server/pkg/datastore/repository.go
Matt Krump 06f78e0083 Handle events
- Adds interfaces for developers to build handlers that update data in
response to log events
- Resolves #29
2018-03-05 10:01:50 -06:00

56 lines
1.5 KiB
Go

package datastore
import (
"fmt"
"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 {
CreateOrUpdateBlock(block core.Block) error
GetBlock(blockNumber int64) (core.Block, error)
MissingBlockNumbers(startingBlockNumber int64, endingBlockNumber int64) []int64
SetBlocksStatus(chainHead int64)
}
var ErrContractDoesNotExist = func(contractHash string) error {
return fmt.Errorf("Contract %v does not exist", contractHash)
}
type ContractRepository interface {
CreateContract(contract core.Contract) error
GetContract(contractHash string) (core.Contract, error)
ContractExists(contractHash string) bool
}
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 LogRepository interface {
CreateLogs(logs []core.Log) error
GetLogs(address string, blockNumber int64) []core.Log
}
var ErrReceiptDoesNotExist = func(txHash string) error {
return fmt.Errorf("Receipt for tx: %v does not exist", txHash)
}
type ReceiptRepository interface {
GetReceipt(txHash string) (core.Receipt, error)
}
type WatchedEventRepository interface {
GetWatchedEvents(name string) ([]*core.WatchedEvent, error)
}