374 lines
14 KiB
Go
374 lines
14 KiB
Go
// Copyright 2019 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package bind_test
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import (
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"bytes"
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"context"
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"math/big"
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"strings"
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"testing"
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"github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/rlp"
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)
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type mockCaller struct {
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codeAtBlockNumber *big.Int
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callContractBlockNumber *big.Int
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}
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func (mc *mockCaller) CodeAt(ctx context.Context, contract common.Address, blockNumber *big.Int) ([]byte, error) {
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mc.codeAtBlockNumber = blockNumber
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return []byte{1, 2, 3}, nil
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}
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func (mc *mockCaller) CallContract(ctx context.Context, call ethereum.CallMsg, blockNumber *big.Int) ([]byte, error) {
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mc.callContractBlockNumber = blockNumber
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return nil, nil
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}
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func TestPassingBlockNumber(t *testing.T) {
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mc := &mockCaller{}
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), abi.ABI{
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Methods: map[string]abi.Method{
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"something": {
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Name: "something",
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Outputs: abi.Arguments{},
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},
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},
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}, mc, nil, nil)
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var ret string
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blockNumber := big.NewInt(42)
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bc.Call(&bind.CallOpts{BlockNumber: blockNumber}, &ret, "something")
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if mc.callContractBlockNumber != blockNumber {
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t.Fatalf("CallContract() was not passed the block number")
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}
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if mc.codeAtBlockNumber != blockNumber {
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t.Fatalf("CodeAt() was not passed the block number")
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}
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bc.Call(&bind.CallOpts{}, &ret, "something")
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if mc.callContractBlockNumber != nil {
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t.Fatalf("CallContract() was passed a block number when it should not have been")
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}
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if mc.codeAtBlockNumber != nil {
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t.Fatalf("CodeAt() was passed a block number when it should not have been")
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}
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}
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const hexData = "0x000000000000000000000000376c47978271565f56deb45495afa69e59c16ab200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000158"
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func TestUnpackIndexedStringTyLogIntoMap(t *testing.T) {
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hash := crypto.Keccak256Hash([]byte("testName"))
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mockLog := types.Log{
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Address: common.HexToAddress("0x0"),
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Topics: []common.Hash{
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common.HexToHash("0x0"),
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hash,
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},
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Data: hexutil.MustDecode(hexData),
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BlockNumber: uint64(26),
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TxHash: common.HexToHash("0x0"),
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TxIndex: 111,
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BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
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Index: 7,
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Removed: false,
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}
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abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"string"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"}]`
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parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
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receivedMap := make(map[string]interface{})
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expectedReceivedMap := map[string]interface{}{
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"name": hash,
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"sender": common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2"),
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"amount": big.NewInt(1),
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"memo": []byte{88},
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}
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if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err != nil {
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t.Error(err)
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}
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if len(receivedMap) != 4 {
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t.Fatal("unpacked map expected to have length 4")
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}
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if receivedMap["name"] != expectedReceivedMap["name"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["sender"] != expectedReceivedMap["sender"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["amount"].(*big.Int).Cmp(expectedReceivedMap["amount"].(*big.Int)) != 0 {
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t.Error("unpacked map does not match expected map")
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}
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if !bytes.Equal(receivedMap["memo"].([]byte), expectedReceivedMap["memo"].([]byte)) {
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t.Error("unpacked map does not match expected map")
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}
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}
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func TestUnpackIndexedSliceTyLogIntoMap(t *testing.T) {
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sliceBytes, err := rlp.EncodeToBytes([]string{"name1", "name2", "name3", "name4"})
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if err != nil {
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t.Fatal(err)
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}
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hash := crypto.Keccak256Hash(sliceBytes)
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mockLog := types.Log{
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Address: common.HexToAddress("0x0"),
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Topics: []common.Hash{
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common.HexToHash("0x0"),
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hash,
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},
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Data: hexutil.MustDecode(hexData),
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BlockNumber: uint64(26),
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TxHash: common.HexToHash("0x0"),
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TxIndex: 111,
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BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
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Index: 7,
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Removed: false,
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}
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abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"names","type":"string[]"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"}]`
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parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
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receivedMap := make(map[string]interface{})
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expectedReceivedMap := map[string]interface{}{
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"names": hash,
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"sender": common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2"),
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"amount": big.NewInt(1),
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"memo": []byte{88},
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}
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if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err != nil {
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t.Error(err)
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}
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if len(receivedMap) != 4 {
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t.Fatal("unpacked map expected to have length 4")
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}
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if receivedMap["names"] != expectedReceivedMap["names"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["sender"] != expectedReceivedMap["sender"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["amount"].(*big.Int).Cmp(expectedReceivedMap["amount"].(*big.Int)) != 0 {
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t.Error("unpacked map does not match expected map")
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}
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if !bytes.Equal(receivedMap["memo"].([]byte), expectedReceivedMap["memo"].([]byte)) {
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t.Error("unpacked map does not match expected map")
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}
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}
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func TestUnpackIndexedArrayTyLogIntoMap(t *testing.T) {
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arrBytes, err := rlp.EncodeToBytes([2]common.Address{common.HexToAddress("0x0"), common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2")})
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if err != nil {
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t.Fatal(err)
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}
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hash := crypto.Keccak256Hash(arrBytes)
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mockLog := types.Log{
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Address: common.HexToAddress("0x0"),
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Topics: []common.Hash{
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common.HexToHash("0x0"),
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hash,
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},
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Data: hexutil.MustDecode(hexData),
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BlockNumber: uint64(26),
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TxHash: common.HexToHash("0x0"),
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TxIndex: 111,
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BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
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Index: 7,
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Removed: false,
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}
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abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"addresses","type":"address[2]"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"}]`
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parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
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receivedMap := make(map[string]interface{})
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expectedReceivedMap := map[string]interface{}{
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"addresses": hash,
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"sender": common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2"),
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"amount": big.NewInt(1),
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"memo": []byte{88},
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}
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if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err != nil {
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t.Error(err)
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}
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if len(receivedMap) != 4 {
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t.Fatal("unpacked map expected to have length 4")
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}
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if receivedMap["addresses"] != expectedReceivedMap["addresses"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["sender"] != expectedReceivedMap["sender"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["amount"].(*big.Int).Cmp(expectedReceivedMap["amount"].(*big.Int)) != 0 {
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t.Error("unpacked map does not match expected map")
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}
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if !bytes.Equal(receivedMap["memo"].([]byte), expectedReceivedMap["memo"].([]byte)) {
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t.Error("unpacked map does not match expected map")
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}
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}
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func TestUnpackIndexedFuncTyLogIntoMap(t *testing.T) {
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mockAddress := common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2")
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addrBytes := mockAddress.Bytes()
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hash := crypto.Keccak256Hash([]byte("mockFunction(address,uint)"))
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functionSelector := hash[:4]
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functionTyBytes := append(addrBytes, functionSelector...)
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var functionTy [24]byte
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copy(functionTy[:], functionTyBytes[0:24])
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mockLog := types.Log{
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Address: common.HexToAddress("0x0"),
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Topics: []common.Hash{
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common.HexToHash("0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"),
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common.BytesToHash(functionTyBytes),
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},
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Data: hexutil.MustDecode(hexData),
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BlockNumber: uint64(26),
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TxHash: common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"),
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TxIndex: 111,
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BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
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Index: 7,
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Removed: false,
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}
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abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"function","type":"function"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"}]`
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parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
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receivedMap := make(map[string]interface{})
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expectedReceivedMap := map[string]interface{}{
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"function": functionTy,
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"sender": common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2"),
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"amount": big.NewInt(1),
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"memo": []byte{88},
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}
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if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err != nil {
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t.Error(err)
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}
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if len(receivedMap) != 4 {
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t.Fatal("unpacked map expected to have length 4")
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}
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if receivedMap["function"] != expectedReceivedMap["function"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["sender"] != expectedReceivedMap["sender"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["amount"].(*big.Int).Cmp(expectedReceivedMap["amount"].(*big.Int)) != 0 {
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t.Error("unpacked map does not match expected map")
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}
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if !bytes.Equal(receivedMap["memo"].([]byte), expectedReceivedMap["memo"].([]byte)) {
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t.Error("unpacked map does not match expected map")
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}
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}
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func TestUnpackIndexedBytesTyLogIntoMap(t *testing.T) {
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byts := []byte{1, 2, 3, 4, 5}
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hash := crypto.Keccak256Hash(byts)
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mockLog := types.Log{
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Address: common.HexToAddress("0x0"),
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Topics: []common.Hash{
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common.HexToHash("0x99b5620489b6ef926d4518936cfec15d305452712b88bd59da2d9c10fb0953e8"),
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hash,
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},
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Data: hexutil.MustDecode(hexData),
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BlockNumber: uint64(26),
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TxHash: common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"),
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TxIndex: 111,
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BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
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Index: 7,
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Removed: false,
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}
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abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"content","type":"bytes"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"}]`
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parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
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receivedMap := make(map[string]interface{})
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expectedReceivedMap := map[string]interface{}{
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"content": hash,
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"sender": common.HexToAddress("0x376c47978271565f56DEB45495afa69E59c16Ab2"),
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"amount": big.NewInt(1),
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"memo": []byte{88},
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}
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if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err != nil {
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t.Error(err)
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}
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if len(receivedMap) != 4 {
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t.Fatal("unpacked map expected to have length 4")
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}
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if receivedMap["content"] != expectedReceivedMap["content"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["sender"] != expectedReceivedMap["sender"] {
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t.Error("unpacked map does not match expected map")
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}
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if receivedMap["amount"].(*big.Int).Cmp(expectedReceivedMap["amount"].(*big.Int)) != 0 {
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t.Error("unpacked map does not match expected map")
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}
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if !bytes.Equal(receivedMap["memo"].([]byte), expectedReceivedMap["memo"].([]byte)) {
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t.Error("unpacked map does not match expected map")
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}
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}
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func TestUnpackIntoMapNamingConflict(t *testing.T) {
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hash := crypto.Keccak256Hash([]byte("testName"))
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mockLog := types.Log{
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Address: common.HexToAddress("0x0"),
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Topics: []common.Hash{
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common.HexToHash("0x0"),
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hash,
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},
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Data: hexutil.MustDecode(hexData),
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BlockNumber: uint64(26),
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TxHash: common.HexToHash("0x0"),
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TxIndex: 111,
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BlockHash: common.BytesToHash([]byte{1, 2, 3, 4, 5}),
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Index: 7,
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Removed: false,
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}
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abiString := `[{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"string"},{"indexed":false,"name":"sender","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"memo","type":"bytes"}],"name":"received","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"sender","type":"address"}],"name":"received","type":"event"}]`
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parsedAbi, _ := abi.JSON(strings.NewReader(abiString))
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bc := bind.NewBoundContract(common.HexToAddress("0x0"), parsedAbi, nil, nil, nil)
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receivedMap := make(map[string]interface{})
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if err := bc.UnpackLogIntoMap(receivedMap, "received", mockLog); err == nil {
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t.Error("naming conflict between two events; error expected")
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}
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}
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