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path: root/ethpub/types.go
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package ethpub

import (
    "encoding/json"
    "fmt"
    "github.com/ethereum/eth-go/ethchain"
    "github.com/ethereum/eth-go/ethcrypto"
    "github.com/ethereum/eth-go/ethtrie"
    "github.com/ethereum/eth-go/ethutil"
    "strings"
)

// Peer interface exposed to QML

type PPeer struct {
    ref          *ethchain.Peer
    Inbound      bool   `json:"isInbound"`
    LastSend     int64  `json:"lastSend"`
    LastPong     int64  `json:"lastPong"`
    Ip           string `json:"ip"`
    Port         int    `json:"port"`
    Version      string `json:"version"`
    LastResponse string `json:"lastResponse"`
    Latency      string `json:"latency"`
}

func NewPPeer(peer ethchain.Peer) *PPeer {
    if peer == nil {
        return nil
    }

    // TODO: There must be something build in to do this?
    var ip []string
    for _, i := range peer.Host() {
        ip = append(ip, fmt.Sprintf("%d", i))
    }
    ipAddress := strings.Join(ip, ".")

    return &PPeer{ref: &peer, Inbound: peer.Inbound(), LastSend: peer.LastSend().Unix(), LastPong: peer.LastPong(), Version: peer.Version(), Ip: ipAddress, Port: int(peer.Port()), Latency: peer.PingTime()}
}

// Block interface exposed to QML
type PBlock struct {
    ref          *ethchain.Block
    Number       int    `json:"number"`
    Hash         string `json:"hash"`
    Transactions string `json:"transactions"`
    Time         int64  `json:"time"`
    Coinbase     string `json:"coinbase"`
    Name         string `json:"name"`
    GasLimit     string `json:"gasLimit"`
    GasUsed      string `json:"gasUsed"`
}

// Creates a new QML Block from a chain block
func NewPBlock(block *ethchain.Block) *PBlock {
    if block == nil {
        return nil
    }

    var ptxs []PTx
    for _, tx := range block.Transactions() {
        ptxs = append(ptxs, *NewPTx(tx))
    }

    txJson, err := json.Marshal(ptxs)
    if err != nil {
        return nil
    }

    return &PBlock{ref: block, Number: int(block.Number.Uint64()), GasUsed: block.GasUsed.String(), GasLimit: block.GasLimit.String(), Hash: ethutil.Bytes2Hex(block.Hash()), Transactions: string(txJson), Time: block.Time, Coinbase: ethutil.Bytes2Hex(block.Coinbase)}
}

func (self *PBlock) ToString() string {
    if self.ref != nil {
        return self.ref.String()
    }

    return ""
}

func (self *PBlock) GetTransaction(hash string) *PTx {
    tx := self.ref.GetTransaction(ethutil.Hex2Bytes(hash))
    if tx == nil {
        return nil
    }

    return NewPTx(tx)
}

type PTx struct {
    ref *ethchain.Transaction

    Value           string `json:"value"`
    Gas             string `json:"gas"`
    GasPrice        string `json:"gasPrice"`
    Hash            string `json:"hash"`
    Address         string `json:"address"`
    Sender          string `json:"sender"`
    RawData         string `json:"rawData"`
    Data            string `json:"data"`
    Contract        bool   `json:"isContract"`
    CreatesContract bool   `json:"createsContract"`
    Confirmations   int    `json:"confirmations"`
}

func NewPTx(tx *ethchain.Transaction) *PTx {
    hash := ethutil.Bytes2Hex(tx.Hash())
    receiver := ethutil.Bytes2Hex(tx.Recipient)
    if receiver == "0000000000000000000000000000000000000000" {
        receiver = ethutil.Bytes2Hex(tx.CreationAddress())
    }
    sender := ethutil.Bytes2Hex(tx.Sender())
    createsContract := tx.CreatesContract()

    var data string
    if tx.CreatesContract() {
        data = strings.Join(ethchain.Disassemble(tx.Data), "\n")
    } else {
        data = ethutil.Bytes2Hex(tx.Data)
    }

    return &PTx{ref: tx, Hash: hash, Value: ethutil.CurrencyToString(tx.Value), Address: receiver, Contract: tx.CreatesContract(), Gas: tx.Gas.String(), GasPrice: tx.GasPrice.String(), Data: data, Sender: sender, CreatesContract: createsContract, RawData: ethutil.Bytes2Hex(tx.Data)}
}

func (self *PTx) ToString() string {
    return self.ref.String()
}

type PKey struct {
    Address    string `json:"address"`
    PrivateKey string `json:"privateKey"`
    PublicKey  string `json:"publicKey"`
}

func NewPKey(key *ethcrypto.KeyPair) *PKey {
    return &PKey{ethutil.Bytes2Hex(key.Address()), ethutil.Bytes2Hex(key.PrivateKey), ethutil.Bytes2Hex(key.PublicKey)}
}

type PReceipt struct {
    CreatedContract bool   `json:"createdContract"`
    Address         string `json:"address"`
    Hash            string `json:"hash"`
    Sender          string `json:"sender"`
}

func NewPReciept(contractCreation bool, creationAddress, hash, address []byte) *PReceipt {
    return &PReceipt{
        contractCreation,
        ethutil.Bytes2Hex(creationAddress),
        ethutil.Bytes2Hex(hash),
        ethutil.Bytes2Hex(address),
    }
}

type PStateObject struct {
    object *ethchain.StateObject
}

func NewPStateObject(object *ethchain.StateObject) *PStateObject {
    return &PStateObject{object: object}
}

func (c *PStateObject) GetStorage(address string) string {
    // Because somehow, even if you return nil to QML it
    // still has some magical object so we can't rely on
    // undefined or null at the QML side
    if c.object != nil {
        val := c.object.GetStorage(ethutil.Big("0x" + address))

        return val.BigInt().String()
    }

    return ""
}

func (c *PStateObject) Value() string {
    if c.object != nil {
        return c.object.Amount.String()
    }

    return ""
}

func (c *PStateObject) Address() string {
    if c.object != nil {
        return ethutil.Bytes2Hex(c.object.Address())
    }

    return ""
}

func (c *PStateObject) Nonce() int {
    if c.object != nil {
        return int(c.object.Nonce)
    }

    return 0
}

func (c *PStateObject) Root() string {
    if c.object != nil {
        return ethutil.Bytes2Hex(ethutil.NewValue(c.object.State().Root()).Bytes())
    }

    return "<err>"
}

func (c *PStateObject) IsContract() bool {
    if c.object != nil {
        return len(c.object.Script()) > 0
    }

    return false
}

func (self *PStateObject) EachStorage(cb ethtrie.EachCallback) {
    self.object.EachStorage(cb)
}

type KeyVal struct {
    Key   string
    Value string
}

func (c *PStateObject) StateKeyVal(asJson bool) interface{} {
    var values []KeyVal
    if c.object != nil {
        c.object.EachStorage(func(name string, value *ethutil.Value) {
            values = append(values, KeyVal{name, ethutil.Bytes2Hex(value.Bytes())})
        })
    }

    if asJson {
        valuesJson, err := json.Marshal(values)
        if err != nil {
            return nil
        }
        fmt.Println(string(valuesJson))
        return string(valuesJson)
    }

    return values
}

func (c *PStateObject) Script() string {
    if c.object != nil {
        return strings.Join(ethchain.Disassemble(c.object.Script()), " ")
    }

    return ""
}

func (c *PStateObject) HexScript() string {
    if c.object != nil {
        return ethutil.Bytes2Hex(c.object.Script())
    }

    return ""
}

type PStorageState struct {
    StateAddress string
    Address      string
    Value        string
}

func NewPStorageState(storageObject *ethchain.StorageState) *PStorageState {
    return &PStorageState{ethutil.Bytes2Hex(storageObject.StateAddress), ethutil.Bytes2Hex(storageObject.Address), storageObject.Value.String()}
}