path: root/core/block_validator_test.go

// Copyright 2015 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 core

import (
    "fmt"
    "math/big"
    "testing"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/core/state"
    "github.com/ethereum/go-ethereum/core/types"
    "github.com/ethereum/go-ethereum/core/vm"
    "github.com/ethereum/go-ethereum/ethdb"
    "github.com/ethereum/go-ethereum/event"
    "github.com/ethereum/go-ethereum/params"
)

func testChainConfig() *params.ChainConfig {
    return params.TestChainConfig
    //return &params.ChainConfig{HomesteadBlock: big.NewInt(0)}
}

func proc() (Validator, *BlockChain) {
    db, _ := ethdb.NewMemDatabase()
    var mux event.TypeMux

    WriteTestNetGenesisBlock(db)
    blockchain, err := NewBlockChain(db, testChainConfig(), thePow(), &mux, vm.Config{})
    if err != nil {
        fmt.Println(err)
    }
    return blockchain.validator, blockchain
}

func TestNumber(t *testing.T) {
    _, chain := proc()

    statedb, _ := state.New(chain.Genesis().Root(), chain.chainDb)
    cfg := testChainConfig()
    header := makeHeader(cfg, chain.Genesis(), statedb)
    header.Number = big.NewInt(3)
    err := ValidateHeader(cfg, FakePow{}, header, chain.Genesis().Header(), false, false)
    if err != BlockNumberErr {
        t.Errorf("expected block number error, got %q", err)
    }

    header = makeHeader(cfg, chain.Genesis(), statedb)
    err = ValidateHeader(cfg, FakePow{}, header, chain.Genesis().Header(), false, false)
    if err == BlockNumberErr {
        t.Errorf("didn't expect block number error")
    }
}

func TestPutReceipt(t *testing.T) {
    db, _ := ethdb.NewMemDatabase()

    var addr common.Address
    addr[0] = 1
    var hash common.Hash
    hash[0] = 2

    receipt := new(types.Receipt)
    receipt.Logs = []*types.Log{{
        Address:     addr,
        Topics:      []common.Hash{hash},
        Data:        []byte("hi"),
        BlockNumber: 42,
        TxHash:      hash,
        TxIndex:     0,
        BlockHash:   hash,
        Index:       0,
    }}

    WriteReceipts(db, types.Receipts{receipt})
    receipt = GetReceipt(db, common.Hash{})
    if receipt == nil {
        t.Error("expected to get 1 receipt, got none.")
    }
}