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bsc/contracts/chequebook/cheque_test.go
Jeff Prestes 212bba47ff backends: configurable gas limit to allow testing large contracts (#17358) 
* backends: increase gaslimit in order to allow tests of large contracts

* backends: increase gaslimit in order to allow tests of large contracts

* backends: increase gaslimit in order to allow tests of large contracts
2018-08-15 10:15:42 +03:00

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package chequebook
import (
"crypto/ecdsa"
"math/big"
"os"
"path/filepath"
"testing"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/contracts/chequebook/contract"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/crypto"
)
var (
key0, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
key1, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
key2, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
addr0 = crypto.PubkeyToAddress(key0.PublicKey)
addr1 = crypto.PubkeyToAddress(key1.PublicKey)
addr2 = crypto.PubkeyToAddress(key2.PublicKey)
)
func newTestBackend() *backends.SimulatedBackend {
return backends.NewSimulatedBackend(core.GenesisAlloc{
addr0: {Balance: big.NewInt(1000000000)},
addr1: {Balance: big.NewInt(1000000000)},
addr2: {Balance: big.NewInt(1000000000)},
}, 10000000)
}
func deploy(prvKey *ecdsa.PrivateKey, amount *big.Int, backend *backends.SimulatedBackend) (common.Address, error) {
deployTransactor := bind.NewKeyedTransactor(prvKey)
deployTransactor.Value = amount
addr, _, _, err := contract.DeployChequebook(deployTransactor, backend)
if err != nil {
return common.Address{}, err
}
backend.Commit()
return addr, nil
}
func TestIssueAndReceive(t *testing.T) {
path := filepath.Join(os.TempDir(), "chequebook-test.json")
backend := newTestBackend()
addr0, err := deploy(key0, big.NewInt(0), backend)
if err != nil {
t.Fatalf("deploy contract: expected no error, got %v", err)
}
chbook, err := NewChequebook(path, addr0, key0, backend)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
chbook.sent[addr1] = new(big.Int).SetUint64(42)
amount := common.Big1
if _, err = chbook.Issue(addr1, amount); err == nil {
t.Fatalf("expected insufficient funds error, got none")
}
chbook.balance = new(big.Int).Set(common.Big1)
if chbook.Balance().Cmp(common.Big1) != 0 {
t.Fatalf("expected: %v, got %v", "0", chbook.Balance())
}
ch, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
if chbook.Balance().Sign() != 0 {
t.Errorf("expected: %v, got %v", "0", chbook.Balance())
}
chbox, err := NewInbox(key1, addr0, addr1, &key0.PublicKey, backend)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
received, err := chbox.Receive(ch)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
if received.Cmp(big.NewInt(43)) != 0 {
t.Errorf("expected: %v, got %v", "43", received)
}
}
func TestCheckbookFile(t *testing.T) {
path := filepath.Join(os.TempDir(), "chequebook-test.json")
backend := newTestBackend()
chbook, err := NewChequebook(path, addr0, key0, backend)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
chbook.sent[addr1] = new(big.Int).SetUint64(42)
chbook.balance = new(big.Int).Set(common.Big1)
chbook.Save()
chbook, err = LoadChequebook(path, key0, backend, false)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
if chbook.Balance().Cmp(common.Big1) != 0 {
t.Errorf("expected: %v, got %v", "0", chbook.Balance())
}
var ch *Cheque
if ch, err = chbook.Issue(addr1, common.Big1); err != nil {
t.Fatalf("expected no error, got %v", err)
}
if ch.Amount.Cmp(new(big.Int).SetUint64(43)) != 0 {
t.Errorf("expected: %v, got %v", "0", ch.Amount)
}
err = chbook.Save()
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
}
func TestVerifyErrors(t *testing.T) {
path0 := filepath.Join(os.TempDir(), "chequebook-test-0.json")
backend := newTestBackend()
contr0, err := deploy(key0, common.Big2, backend)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
chbook0, err := NewChequebook(path0, contr0, key0, backend)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
path1 := filepath.Join(os.TempDir(), "chequebook-test-1.json")
contr1, _ := deploy(key1, common.Big2, backend)
chbook1, err := NewChequebook(path1, contr1, key1, backend)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
chbook0.sent[addr1] = new(big.Int).SetUint64(42)
chbook0.balance = new(big.Int).Set(common.Big2)
chbook1.balance = new(big.Int).Set(common.Big1)
amount := common.Big1
ch0, err := chbook0.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
chbox, err := NewInbox(key1, contr0, addr1, &key0.PublicKey, backend)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
received, err := chbox.Receive(ch0)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
if received.Cmp(big.NewInt(43)) != 0 {
t.Errorf("expected: %v, got %v", "43", received)
}
ch1, err := chbook0.Issue(addr2, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
received, err = chbox.Receive(ch1)
t.Logf("correct error: %v", err)
if err == nil {
t.Fatalf("expected receiver error, got none and value %v", received)
}
ch2, err := chbook1.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
received, err = chbox.Receive(ch2)
t.Logf("correct error: %v", err)
if err == nil {
t.Fatalf("expected sender error, got none and value %v", received)
}
_, err = chbook1.Issue(addr1, new(big.Int).SetInt64(-1))
t.Logf("correct error: %v", err)
if err == nil {
t.Fatalf("expected incorrect amount error, got none")
}
received, err = chbox.Receive(ch0)
t.Logf("correct error: %v", err)
if err == nil {
t.Fatalf("expected incorrect amount error, got none and value %v", received)
}
}
func TestDeposit(t *testing.T) {
path0 := filepath.Join(os.TempDir(), "chequebook-test-0.json")
backend := newTestBackend()
contr0, _ := deploy(key0, new(big.Int), backend)
chbook, err := NewChequebook(path0, contr0, key0, backend)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
balance := new(big.Int).SetUint64(42)
chbook.Deposit(balance)
backend.Commit()
if chbook.Balance().Cmp(balance) != 0 {
t.Fatalf("expected balance %v, got %v", balance, chbook.Balance())
}
amount := common.Big1
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
exp := new(big.Int).SetUint64(41)
if chbook.Balance().Cmp(exp) != 0 {
t.Fatalf("expected balance %v, got %v", exp, chbook.Balance())
}
// autodeposit on each issue
chbook.AutoDeposit(0, balance, balance)
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
if chbook.Balance().Cmp(balance) != 0 {
t.Fatalf("expected balance %v, got %v", balance, chbook.Balance())
}
// autodeposit off
chbook.AutoDeposit(0, common.Big0, balance)
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
exp = new(big.Int).SetUint64(40)
if chbook.Balance().Cmp(exp) != 0 {
t.Fatalf("expected balance %v, got %v", exp, chbook.Balance())
}
// autodeposit every 200ms if new cheque issued
interval := 200 * time.Millisecond
chbook.AutoDeposit(interval, common.Big1, balance)
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
exp = new(big.Int).SetUint64(38)
if chbook.Balance().Cmp(exp) != 0 {
t.Fatalf("expected balance %v, got %v", exp, chbook.Balance())
}
time.Sleep(3 * interval)
backend.Commit()
if chbook.Balance().Cmp(balance) != 0 {
t.Fatalf("expected balance %v, got %v", balance, chbook.Balance())
}
exp = new(big.Int).SetUint64(40)
chbook.AutoDeposit(4*interval, exp, balance)
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
time.Sleep(3 * interval)
backend.Commit()
if chbook.Balance().Cmp(exp) != 0 {
t.Fatalf("expected balance %v, got %v", exp, chbook.Balance())
}
_, err = chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
time.Sleep(1 * interval)
backend.Commit()
if chbook.Balance().Cmp(balance) != 0 {
t.Fatalf("expected balance %v, got %v", balance, chbook.Balance())
}
chbook.AutoDeposit(1*interval, common.Big0, balance)
chbook.Stop()
_, err = chbook.Issue(addr1, common.Big1)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbook.Issue(addr1, common.Big2)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
time.Sleep(1 * interval)
backend.Commit()
exp = new(big.Int).SetUint64(39)
if chbook.Balance().Cmp(exp) != 0 {
t.Fatalf("expected balance %v, got %v", exp, chbook.Balance())
}
}
func TestCash(t *testing.T) {
path := filepath.Join(os.TempDir(), "chequebook-test.json")
backend := newTestBackend()
contr0, _ := deploy(key0, common.Big2, backend)
chbook, err := NewChequebook(path, contr0, key0, backend)
if err != nil {
t.Errorf("expected no error, got %v", err)
}
chbook.sent[addr1] = new(big.Int).SetUint64(42)
amount := common.Big1
chbook.balance = new(big.Int).Set(common.Big1)
ch, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
chbox, err := NewInbox(key1, contr0, addr1, &key0.PublicKey, backend)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
// cashing latest cheque
if _, err = chbox.Receive(ch); err != nil {
t.Fatalf("expected no error, got %v", err)
}
if _, err = ch.Cash(chbook.session); err != nil {
t.Fatal("Cash failed:", err)
}
backend.Commit()
chbook.balance = new(big.Int).Set(common.Big3)
ch0, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
ch1, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
interval := 10 * time.Millisecond
// setting autocash with interval of 10ms
chbox.AutoCash(interval, nil)
_, err = chbox.Receive(ch0)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
_, err = chbox.Receive(ch1)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
// after 3x interval time and 2 cheques received, exactly one cashing tx is sent
time.Sleep(4 * interval)
backend.Commit()
// after stopping autocash no more tx are sent
ch2, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
chbox.Stop()
_, err = chbox.Receive(ch2)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
time.Sleep(2 * interval)
backend.Commit()
// autocash below 1
chbook.balance = big.NewInt(2)
chbox.AutoCash(0, common.Big1)
ch3, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
ch4, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbox.Receive(ch3)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbox.Receive(ch4)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
// autochash on receipt when maxUncashed is 0
chbook.balance = new(big.Int).Set(common.Big2)
chbox.AutoCash(0, common.Big0)
ch5, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
ch6, err := chbook.Issue(addr1, amount)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
_, err = chbox.Receive(ch5)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
_, err = chbox.Receive(ch6)
if err != nil {
t.Fatalf("expected no error, got %v", err)
}
backend.Commit()
}
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