diff options
Diffstat (limited to 'ethpub/pub.go')
-rw-r--r-- | ethpub/pub.go | 296 |
1 files changed, 0 insertions, 296 deletions
diff --git a/ethpub/pub.go b/ethpub/pub.go deleted file mode 100644 index 64c08c2f1..000000000 --- a/ethpub/pub.go +++ /dev/null @@ -1,296 +0,0 @@ -package ethpub - -import ( - "bytes" - "encoding/json" - "math/big" - "strconv" - "strings" - "sync/atomic" - - "github.com/ethereum/eth-go/ethchain" - "github.com/ethereum/eth-go/ethcrypto" - "github.com/ethereum/eth-go/ethlog" - "github.com/ethereum/eth-go/ethpipe" - "github.com/ethereum/eth-go/ethstate" - "github.com/ethereum/eth-go/ethutil" -) - -var logger = ethlog.NewLogger("PUB") - -// TODO this has to move elsewhere -var cnfCtr = ethutil.Hex2Bytes("661005d2720d855f1d9976f88bb10c1a3398c77f") - -type helper struct { - sm *ethchain.StateManager -} - -func EthereumConfig(stateManager *ethchain.StateManager) helper { - return helper{stateManager} -} -func (self helper) obj() *ethstate.StateObject { - return self.sm.CurrentState().GetStateObject(cnfCtr) -} - -func (self helper) NameReg() *ethstate.StateObject { - if self.obj() != nil { - addr := self.obj().GetStorage(big.NewInt(0)) - if len(addr.Bytes()) > 0 { - return self.sm.CurrentState().GetStateObject(addr.Bytes()) - } - } - - return nil -} - -// TODO Re-write / refactor -type PEthereum struct { - manager ethchain.EthManager - stateManager *ethchain.StateManager - blockChain *ethchain.BlockChain - txPool *ethchain.TxPool - keyManager *ethcrypto.KeyManager -} - -func New(manager ethchain.EthManager) *PEthereum { - return &PEthereum{ - manager, - manager.StateManager(), - manager.BlockChain(), - manager.TxPool(), - manager.KeyManager(), - } -} - -func (self *PEthereum) LookupDomain(domain string) string { - pipe := ethpipe.New(self.manager) - world := pipe.World() - - if len(domain) > 32 { - domain = string(ethcrypto.Sha3Bin([]byte(domain))) - } - data := world.Config().Get("DnsReg").StorageString(domain).Bytes() - - // Left padded = A record, Right padded = CNAME - if data[0] == 0 { - data = bytes.TrimLeft(data, "\x00") - var ipSlice []string - for _, d := range data { - ipSlice = append(ipSlice, strconv.Itoa(int(d))) - } - - return strings.Join(ipSlice, ".") - } else { - data = bytes.TrimRight(data, "\x00") - - return string(data) - } -} - -func (lib *PEthereum) GetBlock(hexHash string) *PBlock { - hash := ethutil.Hex2Bytes(hexHash) - block := lib.blockChain.GetBlock(hash) - - return NewPBlock(block) -} - -func (lib *PEthereum) GetKey() *PKey { - return NewPKey(lib.keyManager.KeyPair()) -} - -func (lib *PEthereum) GetStateObject(address string) *PStateObject { - stateObject := lib.stateManager.CurrentState().GetStateObject(ethutil.Hex2Bytes(address)) - if stateObject != nil { - return NewPStateObject(stateObject) - } - - // See GetStorage for explanation on "nil" - return NewPStateObject(nil) -} - -func (lib *PEthereum) GetPeerCount() int { - return lib.manager.PeerCount() -} - -func (lib *PEthereum) GetPeers() []PPeer { - var peers []PPeer - for peer := lib.manager.Peers().Front(); peer != nil; peer = peer.Next() { - p := peer.Value.(ethchain.Peer) - // we only want connected peers - if atomic.LoadInt32(p.Connected()) != 0 { - peers = append(peers, *NewPPeer(p)) - } - } - - return peers -} - -func (lib *PEthereum) GetIsMining() bool { - return lib.manager.IsMining() -} - -func (lib *PEthereum) GetIsListening() bool { - return lib.manager.IsListening() -} - -func (lib *PEthereum) GetCoinBase() string { - return ethutil.Bytes2Hex(lib.keyManager.Address()) -} - -func (lib *PEthereum) GetTransactionsFor(address string, asJson bool) interface{} { - sBlk := lib.manager.BlockChain().LastBlockHash - blk := lib.manager.BlockChain().GetBlock(sBlk) - addr := []byte(ethutil.Hex2Bytes(address)) - - var txs []*PTx - - for ; blk != nil; blk = lib.manager.BlockChain().GetBlock(sBlk) { - sBlk = blk.PrevHash - - // Loop through all transactions to see if we missed any while being offline - for _, tx := range blk.Transactions() { - if bytes.Compare(tx.Sender(), addr) == 0 || bytes.Compare(tx.Recipient, addr) == 0 { - ptx := NewPTx(tx) - //TODO: somehow move this to NewPTx - ptx.Confirmations = int(lib.manager.BlockChain().LastBlockNumber - blk.BlockInfo().Number) - txs = append(txs, ptx) - } - } - } - if asJson { - txJson, err := json.Marshal(txs) - if err != nil { - return nil - } - return string(txJson) - } - return txs -} - -func (lib *PEthereum) GetStorage(address, storageAddress string) string { - return lib.GetStateObject(address).GetStorage(storageAddress) -} - -func (lib *PEthereum) GetTxCountAt(address string) int { - return lib.GetStateObject(address).Nonce() -} - -func (lib *PEthereum) IsContract(address string) bool { - return lib.GetStateObject(address).IsContract() -} - -func (lib *PEthereum) SecretToAddress(key string) string { - pair, err := ethcrypto.NewKeyPairFromSec(ethutil.Hex2Bytes(key)) - if err != nil { - return "" - } - - return ethutil.Bytes2Hex(pair.Address()) -} - -func FindAddressInNameReg(stateManager *ethchain.StateManager, name string) []byte { - nameReg := EthereumConfig(stateManager).NameReg() - if nameReg != nil { - addr := ethutil.RightPadBytes([]byte(name), 32) - - reg := nameReg.GetStorage(ethutil.BigD(addr)) - - return reg.Bytes() - } - - return nil -} - -func FindNameInNameReg(stateManager *ethchain.StateManager, addr []byte) string { - nameReg := EthereumConfig(stateManager).NameReg() - if nameReg != nil { - addr = ethutil.LeftPadBytes(addr, 32) - - reg := nameReg.GetStorage(ethutil.BigD(addr)) - - return strings.TrimRight(reg.Str(), "\x00") - } - - return "" -} - -func (lib *PEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) (*PReceipt, error) { - return lib.createTx(key, recipient, valueStr, gasStr, gasPriceStr, dataStr) -} - -func (lib *PEthereum) Create(key, valueStr, gasStr, gasPriceStr, script string) (*PReceipt, error) { - return lib.createTx(key, "", valueStr, gasStr, gasPriceStr, script) -} - -func (lib *PEthereum) createTx(key, recipient, valueStr, gasStr, gasPriceStr, scriptStr string) (*PReceipt, error) { - var hash []byte - var contractCreation bool - if len(recipient) == 0 { - contractCreation = true - } else { - // Check if an address is stored by this address - addr := FindAddressInNameReg(lib.stateManager, recipient) - if len(addr) > 0 { - hash = addr - } else { - hash = ethutil.Hex2Bytes(recipient) - } - } - - var keyPair *ethcrypto.KeyPair - var err error - if ethutil.IsHex(key) { - keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key[2:]))) - } else { - keyPair, err = ethcrypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(key))) - } - - if err != nil { - return nil, err - } - - value := ethutil.Big(valueStr) - gas := ethutil.Big(gasStr) - gasPrice := ethutil.Big(gasPriceStr) - var tx *ethchain.Transaction - // Compile and assemble the given data - if contractCreation { - var script []byte - var err error - if ethutil.IsHex(scriptStr) { - script = ethutil.Hex2Bytes(scriptStr[2:]) - } else { - script, err = ethutil.Compile(scriptStr, false) - if err != nil { - return nil, err - } - } - - tx = ethchain.NewContractCreationTx(value, gas, gasPrice, script) - } else { - data := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) { - slice := strings.Split(s, "\n") - for _, dataItem := range slice { - d := ethutil.FormatData(dataItem) - ret = append(ret, d...) - } - return - }) - - tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data) - } - - acc := lib.stateManager.TransState().GetOrNewStateObject(keyPair.Address()) - tx.Nonce = acc.Nonce - acc.Nonce += 1 - lib.stateManager.TransState().UpdateStateObject(acc) - - tx.Sign(keyPair.PrivateKey) - lib.txPool.QueueTransaction(tx) - - if contractCreation { - logger.Infof("Contract addr %x", tx.CreationAddress()) - } - - return NewPReciept(contractCreation, tx.CreationAddress(), tx.Hash(), keyPair.Address()), nil -} |