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
}
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)
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
}