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