260 lines
6.2 KiB
Go
260 lines
6.2 KiB
Go
package main
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import (
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"bufio"
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"bytes"
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"encoding/hex"
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"errors"
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"fmt"
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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/ethdb"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/ethereum/eth-go/ethwire"
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"github.com/ethereum/go-ethereum/utils"
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"github.com/obscuren/mutan"
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"os"
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"strings"
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)
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type Console struct {
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db *ethdb.MemDatabase
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trie *ethutil.Trie
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ethereum *eth.Ethereum
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}
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func NewConsole(s *eth.Ethereum) *Console {
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db, _ := ethdb.NewMemDatabase()
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trie := ethutil.NewTrie(db, "")
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return &Console{db: db, trie: trie, ethereum: s}
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}
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func (i *Console) ValidateInput(action string, argumentLength int) error {
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err := false
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var expArgCount int
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switch {
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case action == "update" && argumentLength != 2:
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err = true
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expArgCount = 2
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case action == "get" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "dag" && argumentLength != 2:
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err = true
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expArgCount = 2
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case action == "decode" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "encode" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "gettx" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "tx" && argumentLength != 4:
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err = true
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expArgCount = 4
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case action == "getaddr" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "contract" && argumentLength != 2:
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err = true
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expArgCount = 2
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case action == "say" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "addp" && argumentLength != 1:
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err = true
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expArgCount = 1
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case action == "block" && argumentLength != 1:
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err = true
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expArgCount = 1
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}
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if err {
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return errors.New(fmt.Sprintf("'%s' requires %d args, got %d", action, expArgCount, argumentLength))
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} else {
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return nil
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}
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}
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func (i *Console) Editor() string {
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var buff bytes.Buffer
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for {
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reader := bufio.NewReader(os.Stdin)
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str, _, err := reader.ReadLine()
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if len(str) > 0 {
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buff.Write(str)
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buff.WriteString("\n")
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}
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if err != nil && err.Error() == "EOF" {
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break
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}
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}
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return buff.String()
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}
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func (i *Console) PrintRoot() {
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root := ethutil.NewValue(i.trie.Root)
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if len(root.Bytes()) != 0 {
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fmt.Println(hex.EncodeToString(root.Bytes()))
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} else {
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fmt.Println(i.trie.Root)
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}
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}
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func (i *Console) ParseInput(input string) bool {
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scanner := bufio.NewScanner(strings.NewReader(input))
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scanner.Split(bufio.ScanWords)
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count := 0
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var tokens []string
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for scanner.Scan() {
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count++
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tokens = append(tokens, scanner.Text())
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}
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if err := scanner.Err(); err != nil {
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fmt.Fprintln(os.Stderr, "reading input:", err)
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}
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if len(tokens) == 0 {
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return true
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}
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err := i.ValidateInput(tokens[0], count-1)
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if err != nil {
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fmt.Println(err)
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} else {
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switch tokens[0] {
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case "update":
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i.trie.Update(tokens[1], tokens[2])
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i.PrintRoot()
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case "get":
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fmt.Println(i.trie.Get(tokens[1]))
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case "root":
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i.PrintRoot()
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case "rawroot":
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fmt.Println(i.trie.Root)
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case "print":
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i.db.Print()
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case "dag":
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fmt.Println(ethchain.DaggerVerify(ethutil.Big(tokens[1]), // hash
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ethutil.BigPow(2, 36), // diff
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ethutil.Big(tokens[2]))) // nonce
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case "decode":
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value := ethutil.NewValueFromBytes([]byte(tokens[1]))
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fmt.Println(value)
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case "getaddr":
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encoded, _ := hex.DecodeString(tokens[1])
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addr := i.ethereum.BlockChain().CurrentBlock.State().GetAccount(encoded)
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fmt.Println("addr:", addr)
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case "block":
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encoded, _ := hex.DecodeString(tokens[1])
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block := i.ethereum.BlockChain().GetBlock(encoded)
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info := block.BlockInfo()
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fmt.Printf("++++++++++ #%d ++++++++++\n%v\n", info.Number, block)
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case "say":
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i.ethereum.Broadcast(ethwire.MsgTalkTy, []interface{}{tokens[1]})
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case "addp":
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i.ethereum.ConnectToPeer(tokens[1])
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case "pcount":
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fmt.Println("peers:", i.ethereum.Peers().Len())
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case "encode":
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fmt.Printf("%q\n", ethutil.Encode(tokens[1]))
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case "tx":
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recipient, err := hex.DecodeString(tokens[1])
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if err != nil {
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fmt.Println("recipient err:", err)
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} else {
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tx := ethchain.NewTransactionMessage(recipient, ethutil.Big(tokens[2]), ethutil.Big(tokens[3]), ethutil.Big(tokens[4]), nil)
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key := ethutil.Config.Db.GetKeys()[0]
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tx.Sign(key.PrivateKey)
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i.ethereum.TxPool().QueueTransaction(tx)
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fmt.Printf("%x\n", tx.Hash())
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}
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case "gettx":
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addr, _ := hex.DecodeString(tokens[1])
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data, _ := ethutil.Config.Db.Get(addr)
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if len(data) != 0 {
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decoder := ethutil.NewValueFromBytes(data)
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fmt.Println(decoder)
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} else {
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fmt.Println("gettx: tx not found")
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}
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case "contract":
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fmt.Println("Contract editor (Ctrl-D = done)")
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mainInput, initInput := mutan.PreParse(i.Editor())
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mainScript, err := utils.Compile(mainInput)
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if err != nil {
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fmt.Println(err)
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break
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}
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initScript, err := utils.Compile(initInput)
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if err != nil {
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fmt.Println(err)
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break
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}
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contract := ethchain.NewContractCreationTx(ethutil.Big(tokens[0]), ethutil.Big(tokens[1]), ethutil.Big(tokens[1]), mainScript, initScript)
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key := ethutil.Config.Db.GetKeys()[0]
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contract.Sign(key.PrivateKey)
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i.ethereum.TxPool().QueueTransaction(contract)
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fmt.Printf("%x\n", contract.Hash()[12:])
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case "exit", "quit", "q":
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return false
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case "help":
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fmt.Printf("COMMANDS:\n" +
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"\033[1m= DB =\033[0m\n" +
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"update KEY VALUE - Updates/Creates a new value for the given key\n" +
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"get KEY - Retrieves the given key\n" +
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"root - Prints the hex encoded merkle root\n" +
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"rawroot - Prints the raw merkle root\n" +
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"block HASH - Prints the block\n" +
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"getaddr ADDR - Prints the account associated with the address\n" +
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"\033[1m= Dagger =\033[0m\n" +
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"dag HASH NONCE - Verifies a nonce with the given hash with dagger\n" +
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"\033[1m= Encoding =\033[0m\n" +
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"decode STR\n" +
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"encode STR\n" +
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"\033[1m= Other =\033[0m\n" +
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"addp HOST:PORT\n" +
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"tx TO AMOUNT\n" +
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"contract AMOUNT\n")
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default:
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fmt.Println("Unknown command:", tokens[0])
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}
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}
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return true
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}
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func (i *Console) Start() {
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fmt.Printf("Eth Console. Type (help) for help\n")
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reader := bufio.NewReader(os.Stdin)
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for {
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fmt.Printf("eth >>> ")
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str, _, err := reader.ReadLine()
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if err != nil {
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fmt.Println("Error reading input", err)
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} else {
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if !i.ParseInput(string(str)) {
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return
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}
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}
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}
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}
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