76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
package repositories
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import (
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"github.com/8thlight/vulcanizedb/pkg/core"
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)
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type InMemory struct {
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blocks map[int64]*core.Block
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watchedContracts map[string]*WatchedContract
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}
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func (repository *InMemory) CreateWatchedContract(watchedContract WatchedContract) error {
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repository.watchedContracts[watchedContract.Hash] = &watchedContract
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return nil
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}
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func (repository *InMemory) IsWatchedContract(contractHash string) bool {
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_, present := repository.watchedContracts[contractHash]
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return present
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}
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func (repository *InMemory) FindWatchedContract(contractHash string) *WatchedContract {
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var transactions []core.Transaction
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if _, ok := repository.watchedContracts[contractHash]; !ok {
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return nil
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}
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for _, block := range repository.blocks {
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for _, transaction := range block.Transactions {
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if transaction.To == contractHash {
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transactions = append(transactions, transaction)
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}
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}
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}
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return &WatchedContract{Hash: contractHash, Transactions: transactions}
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}
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func (repository *InMemory) MissingBlockNumbers(startingBlockNumber int64, endingBlockNumber int64) []int64 {
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missingNumbers := []int64{}
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for blockNumber := int64(startingBlockNumber); blockNumber <= endingBlockNumber; blockNumber++ {
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if repository.blocks[blockNumber] == nil {
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missingNumbers = append(missingNumbers, blockNumber)
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}
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}
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return missingNumbers
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}
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func NewInMemory() *InMemory {
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return &InMemory{
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blocks: make(map[int64]*core.Block),
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watchedContracts: make(map[string]*WatchedContract),
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}
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}
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func (repository *InMemory) CreateBlock(block core.Block) error {
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repository.blocks[block.Number] = &block
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return nil
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}
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func (repository *InMemory) BlockCount() int {
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return len(repository.blocks)
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}
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func (repository *InMemory) FindBlockByNumber(blockNumber int64) *core.Block {
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return repository.blocks[blockNumber]
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}
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func (repository *InMemory) MaxBlockNumber() int64 {
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highestBlockNumber := int64(-1)
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for key := range repository.blocks {
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if key > highestBlockNumber {
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highestBlockNumber = key
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}
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}
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return highestBlockNumber
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}
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