Ejemplo n.º 1
0
func makeHeader() *types.Header {
	header := &types.Header{
		ParentHash:  common.StringToHash("0x00"),
		UncleHash:   common.StringToHash("0x00"),
		Coinbase:    common.StringToAddress("0x00"),
		Root:        common.StringToHash("0x00"),
		TxHash:      common.StringToHash("0x00"),
		ReceiptHash: common.StringToHash("0x00"),
		// Bloom:
		Difficulty: big.NewInt(88888888),
		Number:     big.NewInt(16),
		GasLimit:   big.NewInt(70000),
		GasUsed:    big.NewInt(25000),
		Time:       124356789,
		Extra:      nil,
		MixDigest:  common.StringToHash("0x00"),
		Nonce:      [8]byte{0, 1, 2, 3, 4, 5, 6, 7},
	}
	return header
}
Ejemplo n.º 2
0
import (
	"testing"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/crypto"
)

type testBackend struct {
	// contracts mock
	contracts map[string](map[string]string)
}

var (
	text     = "test"
	codehash = common.StringToHash("1234")
	hash     = common.BytesToHash(crypto.Sha3([]byte(text)))
	url      = "bzz://bzzhash/my/path/contr.act"
)

func NewTestBackend() *testBackend {
	HashRegContractAddress = common.BigToAddress(common.Big0).Hex()[2:]
	UrlHintContractAddress = common.BigToAddress(common.Big1).Hex()[2:]
	self := &testBackend{}
	self.contracts = make(map[string](map[string]string))

	self.contracts[HashRegContractAddress] = make(map[string]string)
	key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:]))
	self.contracts[HashRegContractAddress][key] = hash.Hex()

	self.contracts[UrlHintContractAddress] = make(map[string]string)
Ejemplo n.º 3
0
func (args *NewFilterArgs) UnmarshalJSON(data []byte) error {
	type input struct {
		From      *rpc.BlockNumber `json:"fromBlock"`
		ToBlock   *rpc.BlockNumber `json:"toBlock"`
		Addresses interface{}      `json:"address"`
		Topics    interface{}      `json:"topics"`
	}

	var raw input
	if err := json.Unmarshal(data, &raw); err != nil {
		return err
	}

	if raw.From == nil || raw.From.Int64() < 0 {
		args.FromBlock = rpc.LatestBlockNumber
	} else {
		args.FromBlock = *raw.From
	}

	if raw.ToBlock == nil || raw.ToBlock.Int64() < 0 {
		args.ToBlock = rpc.LatestBlockNumber
	} else {
		args.ToBlock = *raw.ToBlock
	}

	args.Addresses = []common.Address{}

	if raw.Addresses != nil {
		// raw.Address can contain a single address or an array of addresses
		var addresses []common.Address

		if strAddrs, ok := raw.Addresses.([]interface{}); ok {
			for i, addr := range strAddrs {
				if strAddr, ok := addr.(string); ok {
					if len(strAddr) >= 2 && strAddr[0] == '0' && (strAddr[1] == 'x' || strAddr[1] == 'X') {
						strAddr = strAddr[2:]
					}
					if decAddr, err := hex.DecodeString(strAddr); err == nil {
						addresses = append(addresses, common.BytesToAddress(decAddr))
					} else {
						return fmt.Errorf("invalid address given")
					}
				} else {
					return fmt.Errorf("invalid address on index %d", i)
				}
			}
		} else if singleAddr, ok := raw.Addresses.(string); ok {
			if len(singleAddr) >= 2 && singleAddr[0] == '0' && (singleAddr[1] == 'x' || singleAddr[1] == 'X') {
				singleAddr = singleAddr[2:]
			}
			if decAddr, err := hex.DecodeString(singleAddr); err == nil {
				addresses = append(addresses, common.BytesToAddress(decAddr))
			} else {
				return fmt.Errorf("invalid address given")
			}
		} else {
			return errors.New("invalid address(es) given")
		}
		args.Addresses = addresses
	}

	topicConverter := func(raw string) (common.Hash, error) {
		if len(raw) == 0 {
			return common.Hash{}, nil
		}

		if len(raw) >= 2 && raw[0] == '0' && (raw[1] == 'x' || raw[1] == 'X') {
			raw = raw[2:]
		}

		if decAddr, err := hex.DecodeString(raw); err == nil {
			return common.BytesToHash(decAddr), nil
		}

		return common.Hash{}, errors.New("invalid topic given")
	}

	// topics is an array consisting of strings or arrays of strings
	if raw.Topics != nil {
		topics, ok := raw.Topics.([]interface{})
		if ok {
			parsedTopics := make([][]common.Hash, len(topics))
			for i, topic := range topics {
				if topic == nil {
					parsedTopics[i] = []common.Hash{common.StringToHash("")}
				} else if strTopic, ok := topic.(string); ok {
					if t, err := topicConverter(strTopic); err != nil {
						return fmt.Errorf("invalid topic on index %d", i)
					} else {
						parsedTopics[i] = []common.Hash{t}
					}
				} else if arrTopic, ok := topic.([]interface{}); ok {
					parsedTopics[i] = make([]common.Hash, len(arrTopic))
					for j := 0; j < len(parsedTopics[i]); i++ {
						if arrTopic[j] == nil {
							parsedTopics[i][j] = common.StringToHash("")
						} else if str, ok := arrTopic[j].(string); ok {
							if t, err := topicConverter(str); err != nil {
								return fmt.Errorf("invalid topic on index %d", i)
							} else {
								parsedTopics[i] = []common.Hash{t}
							}
						} else {
							return fmt.Errorf("topic[%d][%d] not a string", i, j)
						}
					}
				} else {
					return fmt.Errorf("topic[%d] invalid", i)
				}
			}
			args.Topics = parsedTopics
		}
	}

	return nil
}