* golangci: typo Signed-off-by: Delweng <delweng@gmail.com> * golangci: add whietspace Signed-off-by: Delweng <delweng@gmail.com> * *: rm whitesapce using golangci-lint Signed-off-by: Delweng <delweng@gmail.com> * cmd/puppeth: revert accidental resurrection Co-authored-by: Péter Szilágyi <peterke@gmail.com>
		
			
				
	
	
		
			498 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			498 lines
		
	
	
		
			16 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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| 
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| package bind_test
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| 
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| import (
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| 	"context"
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| 	"errors"
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| 	"math/big"
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| 	"reflect"
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| 	"strings"
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| 	"testing"
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| 
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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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| 	"github.com/stretchr/testify/assert"
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| )
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| 
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| func mockSign(addr common.Address, tx *types.Transaction) (*types.Transaction, error) { return tx, nil }
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| 
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| type mockTransactor struct {
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| 	baseFee                *big.Int
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| 	gasTipCap              *big.Int
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| 	gasPrice               *big.Int
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| 	suggestGasTipCapCalled bool
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| 	suggestGasPriceCalled  bool
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| }
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| 
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| func (mt *mockTransactor) HeaderByNumber(ctx context.Context, number *big.Int) (*types.Header, error) {
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| 	return &types.Header{BaseFee: mt.baseFee}, nil
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| }
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| 
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| func (mt *mockTransactor) PendingCodeAt(ctx context.Context, account common.Address) ([]byte, error) {
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| 	return []byte{1}, nil
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| }
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| 
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| func (mt *mockTransactor) PendingNonceAt(ctx context.Context, account common.Address) (uint64, error) {
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| 	return 0, nil
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| }
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| 
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| func (mt *mockTransactor) SuggestGasPrice(ctx context.Context) (*big.Int, error) {
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| 	mt.suggestGasPriceCalled = true
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| 	return mt.gasPrice, nil
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| }
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| 
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| func (mt *mockTransactor) SuggestGasTipCap(ctx context.Context) (*big.Int, error) {
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| 	mt.suggestGasTipCapCalled = true
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| 	return mt.gasTipCap, nil
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| }
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| 
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| func (mt *mockTransactor) EstimateGas(ctx context.Context, call ethereum.CallMsg) (gas uint64, err error) {
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| 	return 0, nil
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| }
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| 
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| func (mt *mockTransactor) SendTransaction(ctx context.Context, tx *types.Transaction) error {
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| 	return nil
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| }
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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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| 	callContractBytes       []byte
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| 	callContractErr         error
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| 	codeAtBytes             []byte
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| 	codeAtErr               error
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| }
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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 mc.codeAtBytes, mc.codeAtErr
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| }
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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 mc.callContractBytes, mc.callContractErr
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| }
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| 
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| type mockPendingCaller struct {
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| 	*mockCaller
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| 	pendingCodeAtBytes        []byte
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| 	pendingCodeAtErr          error
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| 	pendingCodeAtCalled       bool
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| 	pendingCallContractCalled bool
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| 	pendingCallContractBytes  []byte
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| 	pendingCallContractErr    error
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| }
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| 
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| func (mc *mockPendingCaller) PendingCodeAt(ctx context.Context, contract common.Address) ([]byte, error) {
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| 	mc.pendingCodeAtCalled = true
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| 	return mc.pendingCodeAtBytes, mc.pendingCodeAtErr
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| }
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| 
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| func (mc *mockPendingCaller) PendingCallContract(ctx context.Context, call ethereum.CallMsg) ([]byte, error) {
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| 	mc.pendingCallContractCalled = true
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| 	return mc.pendingCallContractBytes, mc.pendingCallContractErr
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| }
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| 
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| func TestPassingBlockNumber(t *testing.T) {
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| 	mc := &mockPendingCaller{
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| 		mockCaller: &mockCaller{
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| 			codeAtBytes: []byte{1, 2, 3},
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| 		},
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| 	}
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| 
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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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| 
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| 	blockNumber := big.NewInt(42)
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| 
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| 	bc.Call(&bind.CallOpts{BlockNumber: blockNumber}, nil, "something")
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| 
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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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| 
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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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| 
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| 	bc.Call(&bind.CallOpts{}, nil, "something")
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| 
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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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| 
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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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| 	bc.Call(&bind.CallOpts{BlockNumber: blockNumber, Pending: true}, nil, "something")
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| 
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| 	if !mc.pendingCallContractCalled {
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| 		t.Fatalf("CallContract() was not passed the block number")
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| 	}
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| 
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| 	if !mc.pendingCodeAtCalled {
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| 		t.Fatalf("CodeAt() was not passed the block number")
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| 	}
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| }
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| 
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| const hexData = "0x000000000000000000000000376c47978271565f56deb45495afa69e59c16ab200000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000060000000000000000000000000000000000000000000000000000000000000000158"
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| 
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| func TestUnpackIndexedStringTyLogIntoMap(t *testing.T) {
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| 	hash := crypto.Keccak256Hash([]byte("testName"))
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| 	topics := []common.Hash{
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| 		crypto.Keccak256Hash([]byte("received(string,address,uint256,bytes)")),
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| 		hash,
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| 	}
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| 	mockLog := newMockLog(topics, common.HexToHash("0x0"))
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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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| 
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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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| 	unpackAndCheck(t, bc, expectedReceivedMap, mockLog)
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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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| 	topics := []common.Hash{
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| 		crypto.Keccak256Hash([]byte("received(string[],address,uint256,bytes)")),
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| 		hash,
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| 	}
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| 	mockLog := newMockLog(topics, common.HexToHash("0x0"))
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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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| 
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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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| 	unpackAndCheck(t, bc, expectedReceivedMap, mockLog)
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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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| 	topics := []common.Hash{
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| 		crypto.Keccak256Hash([]byte("received(address[2],address,uint256,bytes)")),
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| 		hash,
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| 	}
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| 	mockLog := newMockLog(topics, common.HexToHash("0x0"))
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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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| 
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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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| 	unpackAndCheck(t, bc, expectedReceivedMap, mockLog)
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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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| 	topics := []common.Hash{
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| 		crypto.Keccak256Hash([]byte("received(function,address,uint256,bytes)")),
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| 		common.BytesToHash(functionTyBytes),
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| 	}
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| 	mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"))
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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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| 
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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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| 	unpackAndCheck(t, bc, expectedReceivedMap, mockLog)
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| }
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| 
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| func TestUnpackIndexedBytesTyLogIntoMap(t *testing.T) {
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| 	bytes := []byte{1, 2, 3, 4, 5}
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| 	hash := crypto.Keccak256Hash(bytes)
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| 	topics := []common.Hash{
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| 		crypto.Keccak256Hash([]byte("received(bytes,address,uint256,bytes)")),
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| 		hash,
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| 	}
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| 	mockLog := newMockLog(topics, common.HexToHash("0x5c698f13940a2153440c6d19660878bc90219d9298fdcf37365aa8d88d40fc42"))
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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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| 
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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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| 	unpackAndCheck(t, bc, expectedReceivedMap, mockLog)
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| }
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| 
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| func TestTransactGasFee(t *testing.T) {
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| 	assert := assert.New(t)
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| 
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| 	// GasTipCap and GasFeeCap
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| 	// When opts.GasTipCap and opts.GasFeeCap are nil
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| 	mt := &mockTransactor{baseFee: big.NewInt(100), gasTipCap: big.NewInt(5)}
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| 	bc := bind.NewBoundContract(common.Address{}, abi.ABI{}, nil, mt, nil)
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| 	opts := &bind.TransactOpts{Signer: mockSign}
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| 	tx, err := bc.Transact(opts, "")
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| 	assert.Nil(err)
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| 	assert.Equal(big.NewInt(5), tx.GasTipCap())
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| 	assert.Equal(big.NewInt(205), tx.GasFeeCap())
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| 	assert.Nil(opts.GasTipCap)
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| 	assert.Nil(opts.GasFeeCap)
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| 	assert.True(mt.suggestGasTipCapCalled)
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| 
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| 	// Second call to Transact should use latest suggested GasTipCap
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| 	mt.gasTipCap = big.NewInt(6)
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| 	mt.suggestGasTipCapCalled = false
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| 	tx, err = bc.Transact(opts, "")
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| 	assert.Nil(err)
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| 	assert.Equal(big.NewInt(6), tx.GasTipCap())
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| 	assert.Equal(big.NewInt(206), tx.GasFeeCap())
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| 	assert.True(mt.suggestGasTipCapCalled)
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| 
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| 	// GasPrice
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| 	// When opts.GasPrice is nil
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| 	mt = &mockTransactor{gasPrice: big.NewInt(5)}
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| 	bc = bind.NewBoundContract(common.Address{}, abi.ABI{}, nil, mt, nil)
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| 	opts = &bind.TransactOpts{Signer: mockSign}
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| 	tx, err = bc.Transact(opts, "")
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| 	assert.Nil(err)
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| 	assert.Equal(big.NewInt(5), tx.GasPrice())
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| 	assert.Nil(opts.GasPrice)
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| 	assert.True(mt.suggestGasPriceCalled)
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| 
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| 	// Second call to Transact should use latest suggested GasPrice
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| 	mt.gasPrice = big.NewInt(6)
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| 	mt.suggestGasPriceCalled = false
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| 	tx, err = bc.Transact(opts, "")
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| 	assert.Nil(err)
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| 	assert.Equal(big.NewInt(6), tx.GasPrice())
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| 	assert.True(mt.suggestGasPriceCalled)
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| }
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| 
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| func unpackAndCheck(t *testing.T, bc *bind.BoundContract, expected map[string]interface{}, mockLog types.Log) {
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| 	received := make(map[string]interface{})
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| 	if err := bc.UnpackLogIntoMap(received, "received", mockLog); err != nil {
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| 		t.Error(err)
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| 	}
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| 
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| 	if len(received) != len(expected) {
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| 		t.Fatalf("unpacked map length %v not equal expected length of %v", len(received), len(expected))
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| 	}
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| 	for name, elem := range expected {
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| 		if !reflect.DeepEqual(elem, received[name]) {
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| 			t.Errorf("field %v does not match expected, want %v, got %v", name, elem, received[name])
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| 		}
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| 	}
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| }
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| 
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| func newMockLog(topics []common.Hash, txHash common.Hash) types.Log {
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| 	return types.Log{
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| 		Address:     common.HexToAddress("0x0"),
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| 		Topics:      topics,
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| 		Data:        hexutil.MustDecode(hexData),
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| 		BlockNumber: uint64(26),
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| 		TxHash:      txHash,
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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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| }
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| 
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| func TestCall(t *testing.T) {
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| 	var method, methodWithArg = "something", "somethingArrrrg"
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| 	tests := []struct {
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| 		name, method string
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| 		opts         *bind.CallOpts
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| 		mc           bind.ContractCaller
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| 		results      *[]interface{}
 | |
| 		wantErr      bool
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| 		wantErrExact error
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| 	}{{
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| 		name: "ok not pending",
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| 		mc: &mockCaller{
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| 			codeAtBytes: []byte{0},
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| 		},
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| 		method: method,
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| 	}, {
 | |
| 		name: "ok pending",
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| 		mc: &mockPendingCaller{
 | |
| 			pendingCodeAtBytes: []byte{0},
 | |
| 		},
 | |
| 		opts: &bind.CallOpts{
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| 			Pending: true,
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| 		},
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| 		method: method,
 | |
| 	}, {
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| 		name:    "pack error, no method",
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| 		mc:      new(mockCaller),
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| 		method:  "else",
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| 		wantErr: true,
 | |
| 	}, {
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| 		name: "interface error, pending but not a PendingContractCaller",
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| 		mc:   new(mockCaller),
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| 		opts: &bind.CallOpts{
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| 			Pending: true,
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| 		},
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| 		method:       method,
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| 		wantErrExact: bind.ErrNoPendingState,
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| 	}, {
 | |
| 		name: "pending call canceled",
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| 		mc: &mockPendingCaller{
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| 			pendingCallContractErr: context.DeadlineExceeded,
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| 		},
 | |
| 		opts: &bind.CallOpts{
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| 			Pending: true,
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| 		},
 | |
| 		method:       method,
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| 		wantErrExact: context.DeadlineExceeded,
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| 	}, {
 | |
| 		name: "pending code at error",
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| 		mc: &mockPendingCaller{
 | |
| 			pendingCodeAtErr: errors.New(""),
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| 		},
 | |
| 		opts: &bind.CallOpts{
 | |
| 			Pending: true,
 | |
| 		},
 | |
| 		method:  method,
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| 		wantErr: true,
 | |
| 	}, {
 | |
| 		name: "no pending code at",
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| 		mc:   new(mockPendingCaller),
 | |
| 		opts: &bind.CallOpts{
 | |
| 			Pending: true,
 | |
| 		},
 | |
| 		method:       method,
 | |
| 		wantErrExact: bind.ErrNoCode,
 | |
| 	}, {
 | |
| 		name: "call contract error",
 | |
| 		mc: &mockCaller{
 | |
| 			callContractErr: context.DeadlineExceeded,
 | |
| 		},
 | |
| 		method:       method,
 | |
| 		wantErrExact: context.DeadlineExceeded,
 | |
| 	}, {
 | |
| 		name: "code at error",
 | |
| 		mc: &mockCaller{
 | |
| 			codeAtErr: errors.New(""),
 | |
| 		},
 | |
| 		method:  method,
 | |
| 		wantErr: true,
 | |
| 	}, {
 | |
| 		name:         "no code at",
 | |
| 		mc:           new(mockCaller),
 | |
| 		method:       method,
 | |
| 		wantErrExact: bind.ErrNoCode,
 | |
| 	}, {
 | |
| 		name: "unpack error missing arg",
 | |
| 		mc: &mockCaller{
 | |
| 			codeAtBytes: []byte{0},
 | |
| 		},
 | |
| 		method:  methodWithArg,
 | |
| 		wantErr: true,
 | |
| 	}, {
 | |
| 		name: "interface unpack error",
 | |
| 		mc: &mockCaller{
 | |
| 			codeAtBytes: []byte{0},
 | |
| 		},
 | |
| 		method:  method,
 | |
| 		results: &[]interface{}{0},
 | |
| 		wantErr: true,
 | |
| 	}}
 | |
| 	for _, test := range tests {
 | |
| 		bc := bind.NewBoundContract(common.HexToAddress("0x0"), abi.ABI{
 | |
| 			Methods: map[string]abi.Method{
 | |
| 				method: {
 | |
| 					Name:    method,
 | |
| 					Outputs: abi.Arguments{},
 | |
| 				},
 | |
| 				methodWithArg: {
 | |
| 					Name:    methodWithArg,
 | |
| 					Outputs: abi.Arguments{abi.Argument{}},
 | |
| 				},
 | |
| 			},
 | |
| 		}, test.mc, nil, nil)
 | |
| 		err := bc.Call(test.opts, test.results, test.method)
 | |
| 		if test.wantErr || test.wantErrExact != nil {
 | |
| 			if err == nil {
 | |
| 				t.Fatalf("%q expected error", test.name)
 | |
| 			}
 | |
| 			if test.wantErrExact != nil && !errors.Is(err, test.wantErrExact) {
 | |
| 				t.Fatalf("%q expected error %q but got %q", test.name, test.wantErrExact, err)
 | |
| 			}
 | |
| 			continue
 | |
| 		}
 | |
| 		if err != nil {
 | |
| 			t.Fatalf("%q unexpected error: %v", test.name, err)
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| // TestCrashers contains some strings which previously caused the abi codec to crash.
 | |
| func TestCrashers(t *testing.T) {
 | |
| 	abi.JSON(strings.NewReader(`[{"inputs":[{"type":"tuple[]","components":[{"type":"bool","name":"_1"}]}]}]`))
 | |
| 	abi.JSON(strings.NewReader(`[{"inputs":[{"type":"tuple[]","components":[{"type":"bool","name":"&"}]}]}]`))
 | |
| 	abi.JSON(strings.NewReader(`[{"inputs":[{"type":"tuple[]","components":[{"type":"bool","name":"----"}]}]}]`))
 | |
| 	abi.JSON(strings.NewReader(`[{"inputs":[{"type":"tuple[]","components":[{"type":"bool","name":"foo.Bar"}]}]}]`))
 | |
| }
 |