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107 lines
2.7 KiB
107 lines
2.7 KiB
package utils
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import (
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"github.com/ethereum/eth-go"
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"github.com/ethereum/eth-go/ethchain"
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"github.com/ethereum/eth-go/ethutil"
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)
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type PEthereum 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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}
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func NewPEthereum(eth *eth.Ethereum) *PEthereum {
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return &PEthereum{
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eth.StateManager(),
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eth.BlockChain(),
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eth.TxPool(),
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}
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}
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func (lib *PEthereum) GetBlock(hexHash string) *PBlock {
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hash := ethutil.FromHex(hexHash)
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block := lib.blockChain.GetBlock(hash)
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return &PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Hex(block.Hash())}
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}
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func (lib *PEthereum) 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 *PEthereum) GetStateObject(address string) *PStateObject {
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stateObject := lib.stateManager.ProcState().GetContract(ethutil.FromHex(address))
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if stateObject != nil {
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return NewPStateObject(stateObject)
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}
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// See GetStorage for explanation on "nil"
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return NewPStateObject(nil)
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}
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func (lib *PEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
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return lib.createTx(key, recipient, valueStr, gasStr, gasPriceStr, dataStr, "")
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}
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func (lib *PEthereum) Create(key, valueStr, gasStr, gasPriceStr, initStr, bodyStr string) (string, error) {
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return lib.createTx(key, "", valueStr, gasStr, gasPriceStr, initStr, bodyStr)
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}
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func (lib *PEthereum) createTx(key, recipient, valueStr, gasStr, gasPriceStr, initStr, scriptStr 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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hash = ethutil.FromHex(recipient)
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}
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keyPair, err := ethchain.NewKeyPairFromSec([]byte(key))
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if err != nil {
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return "", err
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}
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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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initScript, err := Compile(initStr)
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if err != nil {
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return "", err
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}
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mainScript, err := Compile(scriptStr)
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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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/*
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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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*/
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tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, []byte(initStr))
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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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