ipld-eth-server/examples/mocks/mocks.go

370 lines
11 KiB
Go

// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package mocks
import (
"errors"
"math/big"
"github.com/ethereum/go-ethereum/common"
"github.com/vulcanize/vulcanizedb/examples/erc20_watcher/every_block"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/fakes"
"reflect"
)
type Fetcher struct {
ContractAddress string
Abi string
FetchedBlocks []int64
BlockChain core.BlockChain
supply big.Int
balance map[string]*big.Int
allowance map[string]map[string]*big.Int
owner common.Address
stopped bool
stringName string
hashName common.Hash
stringSymbol string
hashSymbol common.Hash
}
func (f *Fetcher) SetSupply(supply string) {
f.supply.SetString(supply, 10)
}
func (f Fetcher) GetBlockChain() core.BlockChain {
return f.BlockChain
}
func (f *Fetcher) FetchBigInt(method, contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (big.Int, error) {
f.Abi = contractAbi
f.ContractAddress = contractAddress
f.FetchedBlocks = append(f.FetchedBlocks, blockNumber)
accumulator := big.NewInt(1)
if method == "totalSupply" {
f.supply.Add(&f.supply, accumulator)
return f.supply, nil
}
if method == "balanceOf" {
rfl := reflect.ValueOf(methodArgs[0])
tokenHolderAddr := rfl.Interface().(string)
pnt := f.balance[tokenHolderAddr]
f.balance[tokenHolderAddr].Add(pnt, accumulator)
return *f.balance[tokenHolderAddr], nil
}
if method == "allowance" {
rfl1 := reflect.ValueOf(methodArgs[0])
rfl2 := reflect.ValueOf(methodArgs[1])
tokenHolderAddr := rfl1.Interface().(string)
spenderAddr := rfl2.Interface().(string)
pnt := f.allowance[tokenHolderAddr][spenderAddr]
f.allowance[tokenHolderAddr][spenderAddr].Add(pnt, accumulator)
return *f.allowance[tokenHolderAddr][spenderAddr], nil
}
return *big.NewInt(0), errors.New("invalid method argument")
}
func (f *Fetcher) FetchBool(method, contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (bool, error) {
f.Abi = contractAbi
f.ContractAddress = contractAddress
f.FetchedBlocks = append(f.FetchedBlocks, blockNumber)
b := true
if method == "stopped" {
f.stopped = b
return f.stopped, nil
}
return false, errors.New("invalid method argument")
}
func (f *Fetcher) FetchAddress(method, contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (common.Address, error) {
f.Abi = contractAbi
f.ContractAddress = contractAddress
f.FetchedBlocks = append(f.FetchedBlocks, blockNumber)
adr := common.StringToAddress("test_address")
if method == "owner" {
f.owner = adr
return f.owner, nil
}
return common.StringToAddress(""), errors.New("invalid method argument")
}
func (f *Fetcher) FetchString(method, contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (string, error) {
f.Abi = contractAbi
f.ContractAddress = contractAddress
f.FetchedBlocks = append(f.FetchedBlocks, blockNumber)
if method == "name" {
f.stringName = "test_name"
return f.stringName, nil
}
if method == "symbol" {
f.stringSymbol = "test_symbol"
return f.stringSymbol, nil
}
return "", errors.New("invalid method argument")
}
func (f *Fetcher) FetchHash(method, contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (common.Hash, error) {
f.Abi = contractAbi
f.ContractAddress = contractAddress
f.FetchedBlocks = append(f.FetchedBlocks, blockNumber)
if method == "name" {
f.hashName = common.StringToHash("test_name")
return f.hashName, nil
}
if method == "symbol" {
f.hashSymbol = common.StringToHash("test_symbol")
return f.hashSymbol, nil
}
return common.StringToHash(""), errors.New("invalid method argument")
}
type Getter struct {
Fetcher Fetcher
}
func NewGetter(blockChain core.BlockChain) Getter {
return Getter{
Fetcher: Fetcher{
BlockChain: blockChain,
},
}
}
func (g *Getter) GetTotalSupply(contractAbi, contractAddress string, blockNumber int64) (big.Int, error) {
return g.Fetcher.FetchBigInt("totalSupply", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetBalance(contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (big.Int, error) {
return g.Fetcher.FetchBigInt("balanceOf", contractAbi, contractAddress, blockNumber, methodArgs)
}
func (g *Getter) GetAllowance(contractAbi, contractAddress string, blockNumber int64, methodArgs []interface{}) (big.Int, error) {
return g.Fetcher.FetchBigInt("allowance", contractAbi, contractAddress, blockNumber, methodArgs)
}
func (g *Getter) GetOwner(contractAbi, contractAddress string, blockNumber int64) (common.Address, error) {
return g.Fetcher.FetchAddress("owner", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetStoppedStatus(contractAbi, contractAddress string, blockNumber int64) (bool, error) {
return g.Fetcher.FetchBool("stopped", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetStringName(contractAbi, contractAddress string, blockNumber int64) (string, error) {
return g.Fetcher.FetchString("name", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetHashName(contractAbi, contractAddress string, blockNumber int64) (common.Hash, error) {
return g.Fetcher.FetchHash("name", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetStringSymbol(contractAbi, contractAddress string, blockNumber int64) (string, error) {
return g.Fetcher.FetchString("symbol", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetHashSymbol(contractAbi, contractAddress string, blockNumber int64) (common.Hash, error) {
return g.Fetcher.FetchHash("symbol", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetDecimals(contractAbi, contractAddress string, blockNumber int64) (big.Int, error) {
return g.Fetcher.FetchBigInt("decimals", contractAbi, contractAddress, blockNumber, nil)
}
func (g *Getter) GetBlockChain() core.BlockChain {
return g.Fetcher.BlockChain
}
type ERC20TokenRepository struct {
TotalSuppliesCreated []every_block.TokenSupply
MissingSupplyBlockNumbers []int64
TotalBalancesCreated []every_block.TokenBalance
MissingBalanceBlockNumbers []int64
TotalAllowancesCreated []every_block.TokenAllowance
MissingAllowanceBlockNumbers []int64
StartingBlock int64
EndingBlock int64
}
func (fr *ERC20TokenRepository) CreateSupply(supply every_block.TokenSupply) error {
fr.TotalSuppliesCreated = append(fr.TotalSuppliesCreated, supply)
return nil
}
func (fr *ERC20TokenRepository) CreateBalance(balance every_block.TokenBalance) error {
fr.TotalBalancesCreated = append(fr.TotalBalancesCreated, balance)
return nil
}
func (fr *ERC20TokenRepository) CreateAllowance(allowance every_block.TokenAllowance) error {
fr.TotalAllowancesCreated = append(fr.TotalAllowancesCreated, allowance)
return nil
}
func (fr *ERC20TokenRepository) MissingSupplyBlocks(startingBlock, highestBlock int64, tokenAddress string) ([]int64, error) {
fr.StartingBlock = startingBlock
fr.EndingBlock = highestBlock
return fr.MissingSupplyBlockNumbers, nil
}
func (fr *ERC20TokenRepository) MissingBalanceBlocks(startingBlock, highestBlock int64, tokenAddress, holderAddress string) ([]int64, error) {
fr.StartingBlock = startingBlock
fr.EndingBlock = highestBlock
return fr.MissingBalanceBlockNumbers, nil
}
func (fr *ERC20TokenRepository) MissingAllowanceBlocks(startingBlock, highestBlock int64, tokenAddress, holderAddress, spenderAddress string) ([]int64, error) {
fr.StartingBlock = startingBlock
fr.EndingBlock = highestBlock
return fr.MissingAllowanceBlockNumbers, nil
}
func (fr *ERC20TokenRepository) SetMissingSupplyBlocks(missingBlocks []int64) {
fr.MissingSupplyBlockNumbers = missingBlocks
}
func (fr *ERC20TokenRepository) SetMissingBalanceBlocks(missingBlocks []int64) {
fr.MissingBalanceBlockNumbers = missingBlocks
}
func (fr *ERC20TokenRepository) SetMissingAllowanceBlocks(missingBlocks []int64) {
fr.MissingAllowanceBlockNumbers = missingBlocks
}
type FailureRepository struct {
createSupplyFail bool
createBalanceFail bool
createAllowanceFail bool
missingSupplyBlocksFail bool
missingBalanceBlocksFail bool
missingAllowanceBlocksFail bool
missingSupplyBlocksNumbers []int64
missingBalanceBlocksNumbers []int64
missingAllowanceBlocksNumbers []int64
}
func (fr *FailureRepository) CreateSupply(supply every_block.TokenSupply) error {
if fr.createSupplyFail {
return fakes.FakeError
} else {
return nil
}
}
func (fr *FailureRepository) CreateBalance(balance every_block.TokenBalance) error {
if fr.createBalanceFail {
return fakes.FakeError
} else {
return nil
}
}
func (fr *FailureRepository) CreateAllowance(allowance every_block.TokenAllowance) error {
if fr.createAllowanceFail {
return fakes.FakeError
} else {
return nil
}
}
func (fr *FailureRepository) MissingSupplyBlocks(startingBlock, highestBlock int64, tokenAddress string) ([]int64, error) {
if fr.missingSupplyBlocksFail {
return []int64{}, fakes.FakeError
} else {
return fr.missingSupplyBlocksNumbers, nil
}
}
func (fr *FailureRepository) MissingBalanceBlocks(startingBlock, highestBlock int64, tokenAddress, holderAddress string) ([]int64, error) {
if fr.missingBalanceBlocksFail {
return []int64{}, fakes.FakeError
} else {
return fr.missingBalanceBlocksNumbers, nil
}
}
func (fr *FailureRepository) MissingAllowanceBlocks(startingBlock, highestBlock int64, tokenAddress, holderAddress, spenderAddress string) ([]int64, error) {
if fr.missingAllowanceBlocksFail {
return []int64{}, fakes.FakeError
} else {
return fr.missingAllowanceBlocksNumbers, nil
}
}
func (fr *FailureRepository) SetCreateSupplyFail(fail bool) {
fr.createSupplyFail = fail
}
func (fr *FailureRepository) SetCreateBalanceFail(fail bool) {
fr.createBalanceFail = fail
}
func (fr *FailureRepository) SetCreateAllowanceFail(fail bool) {
fr.createAllowanceFail = fail
}
func (fr *FailureRepository) SetMissingSupplyBlocksFail(fail bool) {
fr.missingSupplyBlocksFail = fail
}
func (fr *FailureRepository) SetMissingBalanceBlocksFail(fail bool) {
fr.missingBalanceBlocksFail = fail
}
func (fr *FailureRepository) SetMissingAllowanceBlocksFail(fail bool) {
fr.missingAllowanceBlocksFail = fail
}
func (fr *FailureRepository) SetMissingSupplyBlocks(missingBlocks []int64) {
fr.missingSupplyBlocksNumbers = missingBlocks
}
func (fr *FailureRepository) SetMissingBalanceBlocks(missingBlocks []int64) {
fr.missingBalanceBlocksNumbers = missingBlocks
}
func (fr *FailureRepository) SetMissingAllowanceBlocks(missingBlocks []int64) {
fr.missingAllowanceBlocksNumbers = missingBlocks
}