266c9587c8
* Update Block w/ newest Block * Add cascading delete to blocks and transactions tables * Add handling for new conflicting blocks * Command line version of sliding window n behind HEAD
107 lines
2.8 KiB
Go
107 lines
2.8 KiB
Go
package repositories
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import (
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"fmt"
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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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contracts map[string]core.Contract
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logs map[string][]core.Log
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HandleBlockCallCount int
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}
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func (repository *InMemory) CreateLogs(logs []core.Log) error {
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for _, log := range logs {
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key := fmt.Sprintf("%s%s", log.BlockNumber, log.Index)
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var logs []core.Log
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repository.logs[key] = append(logs, log)
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}
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return nil
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}
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func (repository *InMemory) FindLogs(address string, blockNumber int64) []core.Log {
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var matchingLogs []core.Log
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for _, logs := range repository.logs {
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for _, log := range logs {
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if log.Address == address && log.BlockNumber == blockNumber {
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matchingLogs = append(matchingLogs, log)
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}
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}
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}
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return matchingLogs
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}
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func (repository *InMemory) CreateContract(contract core.Contract) error {
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repository.contracts[contract.Hash] = contract
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return nil
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}
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func (repository *InMemory) ContractExists(contractHash string) bool {
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_, present := repository.contracts[contractHash]
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return present
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}
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func (repository *InMemory) FindContract(contractHash string) (core.Contract, error) {
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contract, ok := repository.contracts[contractHash]
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if !ok {
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return core.Contract{}, ErrContractDoesNotExist(contractHash)
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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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contract.Transactions = append(contract.Transactions, transaction)
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}
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}
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}
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return contract, nil
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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 _, ok := repository.blocks[blockNumber]; !ok {
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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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HandleBlockCallCount: 0,
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blocks: make(map[int64]core.Block),
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contracts: make(map[string]core.Contract),
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logs: make(map[string][]core.Log),
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}
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}
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func (repository *InMemory) CreateOrUpdateBlock(block core.Block) error {
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repository.HandleBlockCallCount++
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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, error) {
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if block, ok := repository.blocks[blockNumber]; ok {
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return block, nil
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}
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return core.Block{}, ErrBlockDoesNotExist(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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