d5af3a584c
* cmd/clef, signer: make fourbytes its own package, break dep cycle * signer/fourbyte: pull in a sanitized 4byte database
92 lines
2.7 KiB
Go
92 lines
2.7 KiB
Go
// 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 fourbyte
|
|
|
|
import (
|
|
"fmt"
|
|
"io/ioutil"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/ethereum/go-ethereum/accounts/abi"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
)
|
|
|
|
// Tests that all the selectors contained in the 4byte database are valid.
|
|
func TestEmbeddedDatabase(t *testing.T) {
|
|
db, err := New()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
for id, selector := range db.embedded {
|
|
abistring, err := parseSelector(selector)
|
|
if err != nil {
|
|
t.Errorf("Failed to convert selector to ABI: %v", err)
|
|
continue
|
|
}
|
|
abistruct, err := abi.JSON(strings.NewReader(string(abistring)))
|
|
if err != nil {
|
|
t.Errorf("Failed to parse ABI: %v", err)
|
|
continue
|
|
}
|
|
m, err := abistruct.MethodById(common.Hex2Bytes(id))
|
|
if err != nil {
|
|
t.Errorf("Failed to get method by id (%s): %v", id, err)
|
|
continue
|
|
}
|
|
if m.Sig() != selector {
|
|
t.Errorf("Selector mismatch: have %v, want %v", m.Sig(), selector)
|
|
}
|
|
}
|
|
}
|
|
|
|
// Tests that custom 4byte datasets can be handled too.
|
|
func TestCustomDatabase(t *testing.T) {
|
|
// Create a new custom 4byte database with no embedded component
|
|
tmpdir, err := ioutil.TempDir("", "signer-4byte-test")
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
filename := fmt.Sprintf("%s/4byte_custom.json", tmpdir)
|
|
|
|
db, err := NewWithFile(filename)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
db.embedded = make(map[string]string)
|
|
|
|
// Ensure the database is empty, insert and verify
|
|
calldata := common.Hex2Bytes("a52c101edeadbeef")
|
|
if _, err = db.Selector(calldata); err == nil {
|
|
t.Fatalf("Should not find a match on empty database")
|
|
}
|
|
if err = db.AddSelector("send(uint256)", calldata); err != nil {
|
|
t.Fatalf("Failed to save file: %v", err)
|
|
}
|
|
if _, err = db.Selector(calldata); err != nil {
|
|
t.Fatalf("Failed to find a match for abi signature: %v", err)
|
|
}
|
|
// Check that the file as persisted to disk by creating a new instance
|
|
db2, err := NewFromFile(filename)
|
|
if err != nil {
|
|
t.Fatalf("Failed to create new abidb: %v", err)
|
|
}
|
|
if _, err = db2.Selector(calldata); err != nil {
|
|
t.Fatalf("Failed to find a match for persisted abi signature: %v", err)
|
|
}
|
|
}
|