mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-23 03:51:09 +00:00
175 lines
9.1 KiB
Go
175 lines
9.1 KiB
Go
// Copyright 2019 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 fourbyte
|
|
|
|
import (
|
|
"math/big"
|
|
"reflect"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/accounts/abi"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
func verify(t *testing.T, jsondata, calldata string, exp []interface{}) {
|
|
abispec, err := abi.JSON(strings.NewReader(jsondata))
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
cd := common.Hex2Bytes(calldata)
|
|
sigdata, argdata := cd[:4], cd[4:]
|
|
method, err := abispec.MethodById(sigdata)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
data, err := method.Inputs.UnpackValues(argdata)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if len(data) != len(exp) {
|
|
t.Fatalf("Mismatched length, expected %d, got %d", len(exp), len(data))
|
|
}
|
|
for i, elem := range data {
|
|
if !reflect.DeepEqual(elem, exp[i]) {
|
|
t.Fatalf("Unpack error, arg %d, got %v, want %v", i, elem, exp[i])
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestNewUnpacker(t *testing.T) {
|
|
type unpackTest struct {
|
|
jsondata string
|
|
calldata string
|
|
exp []interface{}
|
|
}
|
|
testcases := []unpackTest{
|
|
{ // https://solidity.readthedocs.io/en/develop/abi-spec.html#use-of-dynamic-types
|
|
`[{"type":"function","name":"f", "inputs":[{"type":"uint256"},{"type":"uint32[]"},{"type":"bytes10"},{"type":"bytes"}]}]`,
|
|
// 0x123, [0x456, 0x789], "1234567890", "Hello, world!"
|
|
"8be65246" + "00000000000000000000000000000000000000000000000000000000000001230000000000000000000000000000000000000000000000000000000000000080313233343536373839300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000e0000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000000000000000000000000000000000000004560000000000000000000000000000000000000000000000000000000000000789000000000000000000000000000000000000000000000000000000000000000d48656c6c6f2c20776f726c642100000000000000000000000000000000000000",
|
|
[]interface{}{
|
|
big.NewInt(0x123),
|
|
[]uint32{0x456, 0x789},
|
|
[10]byte{49, 50, 51, 52, 53, 54, 55, 56, 57, 48},
|
|
common.Hex2Bytes("48656c6c6f2c20776f726c6421"),
|
|
},
|
|
}, { // https://docs.soliditylang.org/en/develop/abi-spec.html#examples
|
|
`[{"type":"function","name":"sam","inputs":[{"type":"bytes"},{"type":"bool"},{"type":"uint256[]"}]}]`,
|
|
// "dave", true and [1,2,3]
|
|
"a5643bf20000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000464617665000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003",
|
|
[]interface{}{
|
|
[]byte{0x64, 0x61, 0x76, 0x65},
|
|
true,
|
|
[]*big.Int{big.NewInt(1), big.NewInt(2), big.NewInt(3)},
|
|
},
|
|
}, {
|
|
`[{"type":"function","name":"send","inputs":[{"type":"uint256"}]}]`,
|
|
"a52c101e0000000000000000000000000000000000000000000000000000000000000012",
|
|
[]interface{}{big.NewInt(0x12)},
|
|
}, {
|
|
`[{"type":"function","name":"compareAndApprove","inputs":[{"type":"address"},{"type":"uint256"},{"type":"uint256"}]}]`,
|
|
"751e107900000000000000000000000000000133700000deadbeef00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001",
|
|
[]interface{}{
|
|
common.HexToAddress("0x00000133700000deadbeef000000000000000000"),
|
|
new(big.Int).SetBytes([]byte{0x00}),
|
|
big.NewInt(0x1),
|
|
},
|
|
},
|
|
}
|
|
for _, c := range testcases {
|
|
verify(t, c.jsondata, c.calldata, c.exp)
|
|
}
|
|
}
|
|
|
|
func TestCalldataDecoding(t *testing.T) {
|
|
// send(uint256) : a52c101e
|
|
// compareAndApprove(address,uint256,uint256) : 751e1079
|
|
// issue(address[],uint256) : 42958b54
|
|
jsondata := `
|
|
[
|
|
{"type":"function","name":"send","inputs":[{"name":"a","type":"uint256"}]},
|
|
{"type":"function","name":"compareAndApprove","inputs":[{"name":"a","type":"address"},{"name":"a","type":"uint256"},{"name":"a","type":"uint256"}]},
|
|
{"type":"function","name":"issue","inputs":[{"name":"a","type":"address[]"},{"name":"a","type":"uint256"}]},
|
|
{"type":"function","name":"sam","inputs":[{"name":"a","type":"bytes"},{"name":"a","type":"bool"},{"name":"a","type":"uint256[]"}]}
|
|
]`
|
|
// Expected failures
|
|
for i, hexdata := range []string{
|
|
"a52c101e00000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000042",
|
|
"a52c101e000000000000000000000000000000000000000000000000000000000000001200",
|
|
"a52c101e00000000000000000000000000000000000000000000000000000000000000",
|
|
"a52c101e",
|
|
"a52c10",
|
|
"",
|
|
// Too short
|
|
"751e10790000000000000000000000000000000000000000000000000000000000000012",
|
|
"751e1079FFffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
|
|
// Not valid multiple of 32
|
|
"deadbeef00000000000000000000000000000000000000000000000000000000000000",
|
|
// Too short 'issue'
|
|
"42958b5400000000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000042",
|
|
// Too short compareAndApprove
|
|
"a52c101e00ff0000000000000000000000000000000000000000000000000000000000120000000000000000000000000000000000000000000000000000000000000042",
|
|
// From https://docs.soliditylang.org/en/develop/abi-spec.html
|
|
// contains a bool with illegal values
|
|
"a5643bf20000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000001100000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000464617665000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003",
|
|
} {
|
|
_, err := parseCallData(common.Hex2Bytes(hexdata), jsondata)
|
|
if err == nil {
|
|
t.Errorf("test %d: expected decoding to fail: %s", i, hexdata)
|
|
}
|
|
}
|
|
// Expected success
|
|
for i, hexdata := range []string{
|
|
// From https://docs.soliditylang.org/en/develop/abi-spec.html
|
|
"a5643bf20000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000464617665000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003000000000000000000000000000000000000000000000000000000000000000100000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000003",
|
|
"a52c101e0000000000000000000000000000000000000000000000000000000000000012",
|
|
"a52c101eFFffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
|
|
"751e1079000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
|
|
"42958b54" +
|
|
// start of dynamic type
|
|
"0000000000000000000000000000000000000000000000000000000000000040" +
|
|
// uint256
|
|
"0000000000000000000000000000000000000000000000000000000000000001" +
|
|
// length of array
|
|
"0000000000000000000000000000000000000000000000000000000000000002" +
|
|
// array values
|
|
"000000000000000000000000000000000000000000000000000000000000dead" +
|
|
"000000000000000000000000000000000000000000000000000000000000beef",
|
|
} {
|
|
_, err := parseCallData(common.Hex2Bytes(hexdata), jsondata)
|
|
if err != nil {
|
|
t.Errorf("test %d: unexpected failure on input %s:\n %v (%d bytes) ", i, hexdata, err, len(common.Hex2Bytes(hexdata)))
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestMaliciousABIStrings(t *testing.T) {
|
|
tests := []string{
|
|
"func(uint256,uint256,[]uint256)",
|
|
"func(uint256,uint256,uint256,)",
|
|
"func(,uint256,uint256,uint256)",
|
|
}
|
|
data := common.Hex2Bytes("4401a6e40000000000000000000000000000000000000000000000000000000000000012")
|
|
for i, tt := range tests {
|
|
_, err := verifySelector(tt, data)
|
|
if err == nil {
|
|
t.Errorf("test %d: expected error for selector '%v'", i, tt)
|
|
}
|
|
}
|
|
}
|