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/*
    This file is part of go-ethereum

    go-ethereum is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    go-ethereum is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
package rpc

import (
    "time"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/logger"
    "github.com/ethereum/go-ethereum/state"
    "github.com/ethereum/go-ethereum/xeth"
)

var rpclogger = logger.NewLogger("RPC")

type Log struct {
    Address string   `json:"address"`
    Topic   []string `json:"topic"`
    Data    string   `json:"data"`
    Number  uint64   `json:"number"`
}

func toLogs(logs state.Logs) (ls []Log) {
    ls = make([]Log, len(logs))

    for i, log := range logs {
        var l Log
        l.Topic = make([]string, len(log.Topics()))
        l.Address = common.ToHex(log.Address())
        l.Data = common.ToHex(log.Data())
        l.Number = log.Number()
        for j, topic := range log.Topics() {
            l.Topic[j] = common.ToHex(topic)
        }
        ls[i] = l
    }

    return
}

type whisperFilter struct {
    messages []xeth.WhisperMessage
    timeout  time.Time
    id       int
}

func (w *whisperFilter) add(msgs ...xeth.WhisperMessage) {
    w.messages = append(w.messages, msgs...)
}
func (w *whisperFilter) get() []xeth.WhisperMessage {
    w.timeout = time.Now()
    tmp := w.messages
    w.messages = nil
    return tmp
}

type logFilter struct {
    logs    state.Logs
    timeout time.Time
    id      int
}

func (l *logFilter) add(logs ...state.Log) {
    l.logs = append(l.logs, logs...)
}

func (l *logFilter) get() state.Logs {
    l.timeout = time.Now()
    tmp := l.logs
    l.logs = nil
    return tmp
}