github.com/core-coin/go-core/v2@v2.1.9/tests/transaction_test_util.go (about)

     1  // Copyright 2015 by the Authors
     2  // This file is part of the go-core library.
     3  //
     4  // The go-core library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-core library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-core library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package tests
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"github.com/core-coin/go-core/v2/common"
    23  	"github.com/core-coin/go-core/v2/common/hexutil"
    24  	"github.com/core-coin/go-core/v2/core"
    25  	"github.com/core-coin/go-core/v2/core/types"
    26  	"github.com/core-coin/go-core/v2/params"
    27  	"github.com/core-coin/go-core/v2/rlp"
    28  )
    29  
    30  // TransactionTest checks RLP decoding and sender derivation of transactions.
    31  type TransactionTest struct {
    32  	RLP     hexutil.Bytes `json:"rlp"`
    33  	Nucleus ttFork
    34  }
    35  
    36  type ttFork struct {
    37  	Sender common.UnprefixedAddress `json:"sender"`
    38  	Hash   common.UnprefixedHash    `json:"hash"`
    39  }
    40  
    41  func (tt *TransactionTest) Run(config *params.ChainConfig) error {
    42  	validateTx := func(rlpData hexutil.Bytes, signer types.Signer) (*common.Address, *common.Hash, error) {
    43  		tx := new(types.Transaction)
    44  		if err := rlp.DecodeBytes(rlpData, tx); err != nil {
    45  			return nil, nil, err
    46  		}
    47  		sender, err := types.Sender(signer, tx)
    48  		if err != nil {
    49  			return nil, nil, err
    50  		}
    51  		// Intrinsic energy
    52  		requiredEnergy, err := core.IntrinsicEnergy(tx.Data(), tx.To() == nil)
    53  		if err != nil {
    54  			return nil, nil, err
    55  		}
    56  		if requiredEnergy > tx.Energy() {
    57  			return nil, nil, fmt.Errorf("insufficient energy ( %d < %d )", tx.Energy(), requiredEnergy)
    58  		}
    59  		h := tx.Hash()
    60  		return &sender, &h, nil
    61  	}
    62  
    63  	for _, testcase := range []struct {
    64  		name   string
    65  		signer types.Signer
    66  		fork   ttFork
    67  	}{
    68  		{"Nucleus", types.NewNucleusSigner(config.NetworkID), tt.Nucleus},
    69  	} {
    70  		sender, txhash, err := validateTx(tt.RLP, testcase.signer)
    71  
    72  		if testcase.fork.Sender == (common.UnprefixedAddress{}) {
    73  			if err == nil {
    74  				return fmt.Errorf("expected error, got none (address %v)[%v]", sender.String(), testcase.name)
    75  			}
    76  			continue
    77  		}
    78  		// Should resolve the right address
    79  		if err != nil {
    80  			return fmt.Errorf("got error, expected none: %v", err)
    81  		}
    82  		if sender == nil {
    83  			return fmt.Errorf("sender was nil, should be %x", common.Address(testcase.fork.Sender))
    84  		}
    85  		if *sender != common.Address(testcase.fork.Sender) {
    86  			return fmt.Errorf("sender mismatch: got %x, want %x", sender, testcase.fork.Sender)
    87  		}
    88  		if txhash == nil {
    89  			return fmt.Errorf("txhash was nil, should be %x", common.Hash(testcase.fork.Hash))
    90  		}
    91  		if *txhash != common.Hash(testcase.fork.Hash) {
    92  			return fmt.Errorf("hash mismatch: got %x, want %x", *txhash, testcase.fork.Hash)
    93  		}
    94  	}
    95  	return nil
    96  }