plugeth/ethpub/types.go

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package ethpub
import (
"encoding/hex"
"encoding/json"
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"fmt"
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"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethutil"
"strings"
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)
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// 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"`
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Latency string `json:"latency"`
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}
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, ".")
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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()}
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}
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// 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"`
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Coinbase string `json:"coinbase"`
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GasLimit string `json:"gasLimit"`
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GasUsed string `json:"gasUsed"`
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}
// Creates a new QML Block from a chain block
func NewPBlock(block *ethchain.Block) *PBlock {
if block == nil {
return nil
}
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var ptxs []PTx
for _, tx := range block.Transactions() {
ptxs = append(ptxs, *NewPTx(tx))
}
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txJson, err := json.Marshal(ptxs)
if err != nil {
return nil
}
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return &PBlock{ref: block, Number: int(block.Number.Uint64()), GasUsed: block.GasUsed.String(), GasLimit: block.GasLimit.String(), Hash: ethutil.Hex(block.Hash()), Transactions: string(txJson), Time: block.Time, Coinbase: ethutil.Hex(block.Coinbase)}
}
func (self *PBlock) ToString() string {
if self.ref != nil {
return self.ref.String()
}
return ""
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}
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func (self *PBlock) GetTransaction(hash string) *PTx {
tx := self.ref.GetTransaction(ethutil.FromHex(hash))
if tx == nil {
return nil
}
return NewPTx(tx)
}
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type PTx struct {
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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"`
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}
func NewPTx(tx *ethchain.Transaction) *PTx {
hash := hex.EncodeToString(tx.Hash())
receiver := hex.EncodeToString(tx.Recipient)
if receiver == "" {
receiver = hex.EncodeToString(tx.CreationAddress())
}
sender := hex.EncodeToString(tx.Sender())
createsContract := tx.CreatesContract()
data := strings.Join(ethchain.Disassemble(tx.Data), "\n")
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isContract := len(tx.Data) > 0
return &PTx{ref: tx, Hash: hash, Value: ethutil.CurrencyToString(tx.Value), Address: receiver, Contract: isContract, Gas: tx.Gas.String(), GasPrice: tx.GasPrice.String(), Data: data, Sender: sender, CreatesContract: createsContract, RawData: hex.EncodeToString(tx.Data)}
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}
func (self *PTx) ToString() string {
return self.ref.String()
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}
type PKey struct {
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Address string `json:"address"`
PrivateKey string `json:"privateKey"`
PublicKey string `json:"publicKey"`
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}
func NewPKey(key *ethutil.KeyPair) *PKey {
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return &PKey{ethutil.Hex(key.Address()), ethutil.Hex(key.PrivateKey), ethutil.Hex(key.PublicKey)}
}
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type PReceipt struct {
CreatedContract bool `json:"createdContract"`
Address string `json:"address"`
Hash string `json:"hash"`
Sender string `json:"sender"`
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}
func NewPReciept(contractCreation bool, creationAddress, hash, address []byte) *PReceipt {
return &PReceipt{
contractCreation,
ethutil.Hex(creationAddress),
ethutil.Hex(hash),
ethutil.Hex(address),
}
}
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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.GetMem(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.Hex(c.object.Address())
}
return ""
}
func (c *PStateObject) Nonce() int {
if c.object != nil {
return int(c.object.Nonce)
}
return 0
}
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func (c *PStateObject) Root() string {
if c.object != nil {
return ethutil.Hex(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
}
type KeyVal struct {
Key string
Value string
}
func (c *PStateObject) StateKeyVal(asJson bool) interface{} {
var values []KeyVal
if c.object != nil {
c.object.State().EachStorage(func(name string, value *ethutil.Value) {
values = append(values, KeyVal{name, ethutil.Hex(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 ""
}
type PStorageState struct {
StateAddress string
Address string
Value string
}
func NewPStorageState(storageObject *ethchain.StorageState) *PStorageState {
return &PStorageState{ethutil.Hex(storageObject.StateAddress), ethutil.Hex(storageObject.Address), storageObject.Value.String()}
}