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// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package core
import (
"fmt"
"math/big"
"testing"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
)
func hexAddr(a string) common.Address { return common.BytesToAddress(common.FromHex(a)) }
func mixAddr(a string) (*common.MixedcaseAddress, error) {
return common.NewMixedcaseAddressFromString(a)
}
func toHexBig(h string) hexutil.Big {
b := big.NewInt(0).SetBytes(common.FromHex(h))
return hexutil.Big(*b)
}
func toHexUint(h string) hexutil.Uint64 {
b := big.NewInt(0).SetBytes(common.FromHex(h))
return hexutil.Uint64(b.Uint64())
}
func dummyTxArgs(t txtestcase) *SendTxArgs {
to, _ := mixAddr(t.to)
from, _ := mixAddr(t.from)
n := toHexUint(t.n)
gas := toHexUint(t.g)
gasPrice := toHexBig(t.gp)
value := toHexBig(t.value)
var (
data, input *hexutil.Bytes
)
if t.d != "" {
a := hexutil.Bytes(common.FromHex(t.d))
data = &a
}
if t.i != "" {
a := hexutil.Bytes(common.FromHex(t.i))
input = &a
}
return &SendTxArgs{
From: *from,
To: to,
Value: value,
Nonce: n,
GasPrice: gasPrice,
Gas: gas,
Data: data,
Input: input,
}
}
type txtestcase struct {
from, to, n, g, gp, value, d, i string
expectErr bool
numMessages int
}
func TestValidator(t *testing.T) {
var (
// use empty db, there are other tests for the abi-specific stuff
db, _ = NewEmptyAbiDB()
v = NewValidator(db)
)
testcases := []txtestcase{
// Invalid to checksum
{from: "000000000000000000000000000000000000dead", to: "000000000000000000000000000000000000dead",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", numMessages: 1},
// valid 0x000000000000000000000000000000000000dEaD
{from: "000000000000000000000000000000000000dead", to: "0x000000000000000000000000000000000000dEaD",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", numMessages: 0},
// conflicting input and data
{from: "000000000000000000000000000000000000dead", to: "0x000000000000000000000000000000000000dEaD",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", d: "0x01", i: "0x02", expectErr: true},
// Data can't be parsed
{from: "000000000000000000000000000000000000dead", to: "0x000000000000000000000000000000000000dEaD",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", d: "0x0102", numMessages: 1},
// Data (on Input) can't be parsed
{from: "000000000000000000000000000000000000dead", to: "0x000000000000000000000000000000000000dEaD",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", i: "0x0102", numMessages: 1},
// Send to 0
{from: "000000000000000000000000000000000000dead", to: "0x0000000000000000000000000000000000000000",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", numMessages: 1},
// Create empty contract (no value)
{from: "000000000000000000000000000000000000dead", to: "",
n: "0x01", g: "0x20", gp: "0x40", value: "0x00", numMessages: 1},
// Create empty contract (with value)
{from: "000000000000000000000000000000000000dead", to: "",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", expectErr: true},
// Small payload for create
{from: "000000000000000000000000000000000000dead", to: "",
n: "0x01", g: "0x20", gp: "0x40", value: "0x01", d: "0x01", numMessages: 1},
}
for i, test := range testcases {
msgs, err := v.ValidateTransaction(dummyTxArgs(test), nil)
if err == nil && test.expectErr {
t.Errorf("Test %d, expected error", i)
for _, msg := range msgs.Messages {
fmt.Printf("* %s: %s\n", msg.Typ, msg.Message)
}
}
if err != nil && !test.expectErr {
t.Errorf("Test %d, unexpected error: %v", i, err)
}
if err == nil {
got := len(msgs.Messages)
if got != test.numMessages {
for _, msg := range msgs.Messages {
fmt.Printf("* %s: %s\n", msg.Typ, msg.Message)
}
t.Errorf("Test %d, expected %d messages, got %d", i, test.numMessages, got)
} else {
//Debug printout, remove later
for _, msg := range msgs.Messages {
fmt.Printf("* [%d] %s: %s\n", i, msg.Typ, msg.Message)
}
fmt.Println()
}
}
}
}