mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-06-25 07:56:16 +00:00
b5abbfed79
- Solidity Upgraded up to v0.8.0 - Fixed and Added eth_chainId - Fix error in TransactionRecipet - Reward halving issue fixed
75 lines
2.4 KiB
Go
75 lines
2.4 KiB
Go
// Copyright 2014 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package tradingstate
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import (
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"io"
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"math/big"
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"github.com/XinFinOrg/XDPoSChain/common"
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"github.com/XinFinOrg/XDPoSChain/rlp"
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)
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// stateObject represents an Ethereum orderId which is being modified.
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//
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// The usage pattern is as follows:
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// First you need to obtain a state object.
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// tradingExchangeObject values can be accessed and modified through the object.
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// Finally, call CommitAskTrie to write the modified storage trie into a database.
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type stateOrderItem struct {
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orderBook common.Hash
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orderId common.Hash
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data OrderItem
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onDirty func(orderId common.Hash) // Callback method to mark a state object newly dirty
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}
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// empty returns whether the orderId is considered empty.
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func (s *stateOrderItem) empty() bool {
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return s.data.Quantity == nil || s.data.Quantity.Cmp(Zero) == 0
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}
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// newObject creates a state object.
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func newStateOrderItem(orderBook common.Hash, orderId common.Hash, data OrderItem, onDirty func(orderId common.Hash)) *stateOrderItem {
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return &stateOrderItem{
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orderBook: orderBook,
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orderId: orderId,
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data: data,
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onDirty: onDirty,
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}
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}
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// EncodeRLP implements rlp.Encoder.
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func (c *stateOrderItem) EncodeRLP(w io.Writer) error {
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return rlp.Encode(w, c.data)
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}
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func (self *stateOrderItem) deepCopy(onDirty func(orderId common.Hash)) *stateOrderItem {
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stateOrderList := newStateOrderItem(self.orderBook, self.orderId, self.data, onDirty)
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return stateOrderList
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}
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func (self *stateOrderItem) setVolume(volume *big.Int) {
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self.data.Quantity = volume
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if self.onDirty != nil {
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self.onDirty(self.orderId)
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self.onDirty = nil
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}
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}
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func (self *stateOrderItem) Quantity() *big.Int {
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return self.data.Quantity
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}
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