417b18ec6a
towards generic method polling and reposito;y; config settings to filterevents/methods by account address; refactoring some stuff out of repo and into converter; remove fetcher and instead call blockchain's FetchContractData directly; finishing tests
91 lines
3.0 KiB
Go
91 lines
3.0 KiB
Go
// 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 repositories
|
|
|
|
import (
|
|
"database/sql"
|
|
|
|
"github.com/vulcanize/vulcanizedb/pkg/core"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore"
|
|
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
|
|
)
|
|
|
|
type ContractRepository struct {
|
|
*postgres.DB
|
|
}
|
|
|
|
func (contractRepository ContractRepository) CreateContract(contract core.Contract) error {
|
|
abi := contract.Abi
|
|
var abiToInsert *string
|
|
if abi != "" {
|
|
abiToInsert = &abi
|
|
}
|
|
_, err := contractRepository.DB.Exec(
|
|
`INSERT INTO watched_contracts (contract_hash, contract_abi)
|
|
VALUES ($1, $2)
|
|
ON CONFLICT (contract_hash)
|
|
DO UPDATE
|
|
SET contract_hash = $1, contract_abi = $2
|
|
`, contract.Hash, abiToInsert)
|
|
if err != nil {
|
|
return postgres.ErrDBInsertFailed
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (contractRepository ContractRepository) ContractExists(contractHash string) bool {
|
|
var exists bool
|
|
contractRepository.DB.QueryRow(
|
|
`SELECT exists(
|
|
SELECT 1
|
|
FROM watched_contracts
|
|
WHERE contract_hash = $1)`, contractHash).Scan(&exists)
|
|
return exists
|
|
}
|
|
|
|
func (contractRepository ContractRepository) GetContract(contractHash string) (core.Contract, error) {
|
|
var hash string
|
|
var abi string
|
|
contract := contractRepository.DB.QueryRow(
|
|
`SELECT contract_hash, contract_abi FROM watched_contracts WHERE contract_hash=$1`, contractHash)
|
|
err := contract.Scan(&hash, &abi)
|
|
if err == sql.ErrNoRows {
|
|
return core.Contract{}, datastore.ErrContractDoesNotExist(contractHash)
|
|
}
|
|
savedContract := contractRepository.addTransactions(core.Contract{Hash: hash, Abi: abi})
|
|
return savedContract, nil
|
|
}
|
|
|
|
func (contractRepository ContractRepository) addTransactions(contract core.Contract) core.Contract {
|
|
transactionRows, _ := contractRepository.DB.Queryx(`
|
|
SELECT hash,
|
|
nonce,
|
|
tx_to,
|
|
tx_from,
|
|
gaslimit,
|
|
gasprice,
|
|
value,
|
|
input_data
|
|
FROM transactions
|
|
WHERE tx_to = $1
|
|
ORDER BY block_id DESC`, contract.Hash)
|
|
blockRepository := &BlockRepository{contractRepository.DB}
|
|
transactions := blockRepository.LoadTransactions(transactionRows)
|
|
savedContract := core.Contract{Hash: contract.Hash, Transactions: transactions, Abi: contract.Abi}
|
|
return savedContract
|
|
}
|