mirror of https://github.com/poanetwork/quorum.git
130 lines
3.4 KiB
Go
130 lines
3.4 KiB
Go
package ethui
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import (
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"encoding/hex"
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"fmt"
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"github.com/ethereum/eth-go/ethchain"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/ethereum/go-ethereum/utils"
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"github.com/obscuren/secp256k1-go"
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"strings"
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)
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type Contract struct {
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object *ethchain.StateObject
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}
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func NewContract(object *ethchain.StateObject) *Contract {
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return &Contract{object: object}
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}
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func (c *Contract) GetStorage(address string) string {
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val := c.object.GetMem(ethutil.Big("0x" + address))
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return val.BigInt().String()
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}
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type EthLib struct {
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stateManager *ethchain.StateManager
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blockChain *ethchain.BlockChain
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txPool *ethchain.TxPool
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Db *Debugger
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}
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func (lib *EthLib) ImportAndSetPrivKey(privKey string) bool {
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fmt.Println(privKey)
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mnemonic := strings.Split(privKey, " ")
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if len(mnemonic) == 24 {
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fmt.Println("Got mnemonic key, importing.")
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key := ethutil.MnemonicDecode(mnemonic)
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utils.ImportPrivateKey(key)
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} else if len(mnemonic) == 1 {
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fmt.Println("Got hex key, importing.")
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utils.ImportPrivateKey(privKey)
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} else {
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fmt.Println("Did not recognise format, exiting.")
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return false
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}
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return true
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}
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func (lib *EthLib) CreateAndSetPrivKey() (string, string, string, string) {
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pub, prv := secp256k1.GenerateKeyPair()
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pair := ðutil.Key{PrivateKey: prv, PublicKey: pub}
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ethutil.Config.Db.Put([]byte("KeyRing"), pair.RlpEncode())
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mne := ethutil.MnemonicEncode(ethutil.Hex(prv))
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mnemonicString := strings.Join(mne, " ")
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return mnemonicString, fmt.Sprintf("%x", pair.Address()), fmt.Sprintf("%x", prv), fmt.Sprintf("%x", pub)
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}
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func (lib *EthLib) GetKey() string {
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return ethutil.Hex(ethutil.Config.Db.GetKeys()[0].Address())
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}
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func (lib *EthLib) GetStateObject(address string) *Contract {
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stateObject := lib.stateManager.ProcState().GetContract(ethutil.FromHex(address))
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return NewContract(stateObject)
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}
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func (lib *EthLib) CreateTx(recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
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var hash []byte
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var contractCreation bool
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if len(recipient) == 0 {
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contractCreation = true
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} else {
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var err error
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hash, err = hex.DecodeString(recipient)
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if err != nil {
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return "", err
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}
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}
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keyPair := ethutil.Config.Db.GetKeys()[0]
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value := ethutil.Big(valueStr)
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gas := ethutil.Big(gasStr)
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gasPrice := ethutil.Big(gasPriceStr)
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var tx *ethchain.Transaction
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// Compile and assemble the given data
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if contractCreation {
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// Compile script
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mainScript, initScript, err := utils.CompileScript(dataStr)
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if err != nil {
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return "", err
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}
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tx = ethchain.NewContractCreationTx(value, gas, gasPrice, mainScript, initScript)
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} else {
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lines := strings.Split(dataStr, "\n")
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var data []byte
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for _, line := range lines {
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data = append(data, ethutil.BigToBytes(ethutil.Big(line), 256)...)
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}
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tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
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}
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acc := lib.stateManager.GetAddrState(keyPair.Address())
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tx.Nonce = acc.Nonce
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tx.Sign(keyPair.PrivateKey)
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lib.txPool.QueueTransaction(tx)
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if contractCreation {
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ethutil.Config.Log.Infof("Contract addr %x", tx.Hash()[12:])
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} else {
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ethutil.Config.Log.Infof("Tx hash %x", tx.Hash())
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}
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return ethutil.Hex(tx.Hash()), nil
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}
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func (lib *EthLib) GetBlock(hexHash string) *Block {
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hash, err := hex.DecodeString(hexHash)
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if err != nil {
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return nil
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}
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block := lib.blockChain.GetBlock(hash)
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return &Block{Number: int(block.BlockInfo().Number), Hash: ethutil.Hex(block.Hash())}
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}
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