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state_lendingtrade.go
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state_lendingtrade.go
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// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package lendingstate
import (
"github.com/XinFinOrg/XDPoSChain/common"
"github.com/XinFinOrg/XDPoSChain/rlp"
"io"
"math/big"
)
type lendingTradeState struct {
orderBook common.Hash
tradeId common.Hash
data LendingTrade
onDirty func(orderId common.Hash) // Callback method to mark a state object newly dirty
}
func (s *lendingTradeState) empty() bool {
return s.data.Amount.Sign() == 0
}
func newLendingTradeState(orderBook common.Hash, tradeId common.Hash, data LendingTrade, onDirty func(orderId common.Hash)) *lendingTradeState {
return &lendingTradeState{
orderBook: orderBook,
tradeId: tradeId,
data: data,
onDirty: onDirty,
}
}
// EncodeRLP implements rlp.Encoder.
func (c *lendingTradeState) EncodeRLP(w io.Writer) error {
return rlp.Encode(w, c.data)
}
func (self *lendingTradeState) deepCopy(onDirty func(orderId common.Hash)) *lendingTradeState {
stateOrderList := newLendingTradeState(self.orderBook, self.tradeId, self.data, onDirty)
return stateOrderList
}
func (self *lendingTradeState) SetCollateralLockedAmount(amount *big.Int) {
self.data.CollateralLockedAmount = amount
if self.onDirty != nil {
self.onDirty(self.tradeId)
self.onDirty = nil
}
}
func (self *lendingTradeState) SetLiquidationPrice(price *big.Int) {
self.data.LiquidationPrice = price
if self.onDirty != nil {
self.onDirty(self.tradeId)
self.onDirty = nil
}
}
func (self *lendingTradeState) SetAmount(amount *big.Int) {
self.data.Amount = amount
if self.onDirty != nil {
self.onDirty(self.tradeId)
self.onDirty = nil
}
}