forked from mirror/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
528 lines
14 KiB
528 lines
14 KiB
// 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.GenesisAccount{Address: addr0, Balance: big.NewInt(1000000000)},
|
|
core.GenesisAccount{Address: addr1, Balance: big.NewInt(1000000000)},
|
|
core.GenesisAccount{Address: addr2, Balance: big.NewInt(1000000000)},
|
|
)
|
|
}
|
|
|
|
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
|
|
ch, err := chbook.Issue(addr1, amount)
|
|
if 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().Cmp(common.Big0) != 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())
|
|
}
|
|
|
|
ch, err := chbook.Issue(addr1, common.Big1)
|
|
if 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, err := 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)
|
|
}
|
|
|
|
time.Sleep(5)
|
|
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")
|
|
}
|
|
|
|
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")
|
|
}
|
|
|
|
_, 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")
|
|
}
|
|
|
|
}
|
|
|
|
func TestDeposit(t *testing.T) {
|
|
path0 := filepath.Join(os.TempDir(), "chequebook-test-0.json")
|
|
backend := newTestBackend()
|
|
contr0, err := 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 10ms if new cheque issued
|
|
interval := 30 * 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, err := 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
|
|
_, err = chbox.Receive(ch)
|
|
if err != nil {
|
|
t.Fatalf("expected no error, got %v", err)
|
|
}
|
|
_, err = ch.Cash(chbook.session)
|
|
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()
|
|
// expBalance := big.NewInt(2)
|
|
// gotBalance := backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
// after 3x interval time and 2 cheques received, exactly one cashing tx is sent
|
|
time.Sleep(4 * interval)
|
|
backend.Commit()
|
|
|
|
// expBalance = big.NewInt(4)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
// 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()
|
|
// expBalance = big.NewInt(4)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
// 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()
|
|
// expBalance = big.NewInt(4)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
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()
|
|
|
|
// 2 checks of amount 1 received, exactly 1 tx is sent
|
|
// expBalance = big.NewInt(6)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
// 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()
|
|
// expBalance = big.NewInt(5)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
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()
|
|
// expBalance = big.NewInt(4)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
_, err = chbox.Receive(ch6)
|
|
if err != nil {
|
|
t.Fatalf("expected no error, got %v", err)
|
|
}
|
|
backend.Commit()
|
|
// expBalance = big.NewInt(6)
|
|
// gotBalance = backend.BalanceAt(addr1)
|
|
// if gotBalance.Cmp(expBalance) != 0 {
|
|
// t.Fatalf("expected beneficiary balance %v, got %v", expBalance, gotBalance)
|
|
// }
|
|
|
|
}
|
|
|