ipld-eth-server/pkg/fakes/mock_blockchain.go
2019-03-13 11:42:30 -05:00

133 lines
4.7 KiB
Go

// VulcanizeDB
// Copyright © 2019 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 fakes
import (
"math/big"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/core/types"
. "github.com/onsi/gomega"
"github.com/vulcanize/vulcanizedb/pkg/core"
)
type MockBlockChain struct {
fetchContractDataErr error
fetchContractDataPassedAbi string
fetchContractDataPassedAddress string
fetchContractDataPassedMethod string
fetchContractDataPassedMethodArgs []interface{}
fetchContractDataPassedResult interface{}
fetchContractDataPassedBlockNumber int64
getBlockByNumberErr error
logQuery ethereum.FilterQuery
logQueryErr error
logQueryReturnLogs []types.Log
lastBlock *big.Int
node core.Node
}
func NewMockBlockChain() *MockBlockChain {
return &MockBlockChain{
node: core.Node{GenesisBlock: "GENESIS", NetworkID: 1, ID: "x123", ClientName: "Geth"},
}
}
func (chain *MockBlockChain) SetFetchContractDataErr(err error) {
chain.fetchContractDataErr = err
}
func (chain *MockBlockChain) SetLastBlock(blockNumber *big.Int) {
chain.lastBlock = blockNumber
}
func (chain *MockBlockChain) SetGetBlockByNumberErr(err error) {
chain.getBlockByNumberErr = err
}
func (chain *MockBlockChain) SetGetEthLogsWithCustomQueryErr(err error) {
chain.logQueryErr = err
}
func (chain *MockBlockChain) SetGetEthLogsWithCustomQueryReturnLogs(logs []types.Log) {
chain.logQueryReturnLogs = logs
}
func (blockChain *MockBlockChain) FetchContractData(abiJSON string, address string, method string, methodArgs []interface{}, result interface{}, blockNumber int64) error {
blockChain.fetchContractDataPassedAbi = abiJSON
blockChain.fetchContractDataPassedAddress = address
blockChain.fetchContractDataPassedMethod = method
blockChain.fetchContractDataPassedMethodArgs = methodArgs
blockChain.fetchContractDataPassedResult = result
blockChain.fetchContractDataPassedBlockNumber = blockNumber
return blockChain.fetchContractDataErr
}
func (chain *MockBlockChain) GetBlockByNumber(blockNumber int64) (core.Block, error) {
return core.Block{Number: blockNumber}, chain.getBlockByNumberErr
}
func (blockChain *MockBlockChain) GetEthLogsWithCustomQuery(query ethereum.FilterQuery) ([]types.Log, error) {
blockChain.logQuery = query
return blockChain.logQueryReturnLogs, blockChain.logQueryErr
}
func (chain *MockBlockChain) GetHeaderByNumber(blockNumber int64) (core.Header, error) {
return core.Header{BlockNumber: blockNumber}, nil
}
func (chain *MockBlockChain) GetHeaderByNumbers(blockNumbers []int64) ([]core.Header, error) {
var headers []core.Header
for _, blockNumber := range blockNumbers {
var header = core.Header{BlockNumber: int64(blockNumber)}
headers = append(headers, header)
}
return headers, nil
}
func (chain *MockBlockChain) GetLogs(contract core.Contract, startingBlockNumber, endingBlockNumber *big.Int) ([]core.Log, error) {
return []core.Log{}, nil
}
func (chain *MockBlockChain) CallContract(contractHash string, input []byte, blockNumber *big.Int) ([]byte, error) {
return []byte{}, nil
}
func (chain *MockBlockChain) LastBlock() (*big.Int, error) {
return chain.lastBlock, nil
}
func (chain *MockBlockChain) Node() core.Node {
return chain.node
}
func (chain *MockBlockChain) AssertFetchContractDataCalledWith(abiJSON string, address string, method string, methodArgs []interface{}, result interface{}, blockNumber int64) {
Expect(chain.fetchContractDataPassedAbi).To(Equal(abiJSON))
Expect(chain.fetchContractDataPassedAddress).To(Equal(address))
Expect(chain.fetchContractDataPassedMethod).To(Equal(method))
if methodArgs != nil {
Expect(chain.fetchContractDataPassedMethodArgs).To(Equal(methodArgs))
}
Expect(chain.fetchContractDataPassedResult).To(BeAssignableToTypeOf(result))
Expect(chain.fetchContractDataPassedBlockNumber).To(Equal(blockNumber))
}
func (blockChain *MockBlockChain) AssertGetEthLogsWithCustomQueryCalledWith(query ethereum.FilterQuery) {
Expect(blockChain.logQuery).To(Equal(query))
}