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remove lendingstate.EmptyAddress

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This commit is contained in:
Daniel Liu 2023-07-14 13:45:35 +08:00
parent fbb8c54d86
commit f4154d0479
4 changed files with 18 additions and 18 deletions
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5
XDCxlending/lendingstate/common.go
View file

@ -2,16 +2,15 @@ package lendingstate
import (
"encoding/json"
"github.com/XinFinOrg/XDPoSChain/crypto"
"math/big"
"time"
"github.com/XinFinOrg/XDPoSChain/common"
"github.com/XinFinOrg/XDPoSChain/crypto"
)
var (
EmptyAddress = "xdc0000000000000000000000000000000000000000"
EmptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
EmptyRoot = common.HexToHash("56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421")
)
var EmptyHash = common.Hash{}

11
XDCxlending/lendingstate/lendingitem.go
View file

@ -2,14 +2,15 @@ package lendingstate
import (
"fmt"
"math/big"
"strconv"
"time"
"github.com/XinFinOrg/XDPoSChain/common"
"github.com/XinFinOrg/XDPoSChain/core/state"
"github.com/XinFinOrg/XDPoSChain/core/types"
"github.com/XinFinOrg/XDPoSChain/crypto/sha3"
"github.com/globalsign/mgo/bson"
"math/big"
"strconv"
"time"
)
const (
@ -243,7 +244,7 @@ func (l *LendingItem) VerifyLendingSide() error {
}
func (l *LendingItem) VerifyCollateral(state *state.StateDB) error {
if l.CollateralToken.String() == EmptyAddress || l.CollateralToken.String() == l.LendingToken.String() {
if l.CollateralToken.IsZero() || l.CollateralToken == l.LendingToken {
return fmt.Errorf("invalid collateral %s", l.CollateralToken.Hex())
}
validCollateral := false
@ -329,7 +330,7 @@ func (l *LendingItem) EncodedSide() *big.Int {
return big.NewInt(1)
}
//verify signatures
// verify signatures
func (l *LendingItem) VerifyLendingSignature() error {
V := big.NewInt(int64(l.Signature.V))
R := l.Signature.R.Big()

16
XDCxlending/order_processor.go
View file

@ -3,6 +3,8 @@ package XDCxlending
import (
"encoding/json"
"fmt"
"math/big"
"github.com/XinFinOrg/XDPoSChain/XDCx/tradingstate"
"github.com/XinFinOrg/XDPoSChain/XDCxlending/lendingstate"
"github.com/XinFinOrg/XDPoSChain/common"
@ -10,7 +12,6 @@ import (
"github.com/XinFinOrg/XDPoSChain/core/state"
"github.com/XinFinOrg/XDPoSChain/core/types"
"github.com/XinFinOrg/XDPoSChain/log"
"math/big"
)
func (l *Lending) CommitOrder(header *types.Header, coinbase common.Address, chain consensus.ChainContext, statedb *state.StateDB, lendingStateDB *lendingstate.LendingStateDB, tradingStateDb *tradingstate.TradingStateDB, lendingOrderBook common.Hash, order *lendingstate.LendingItem) ([]*lendingstate.LendingTrade, []*lendingstate.LendingItem, error) {
@ -262,10 +263,9 @@ func (l *Lending) processOrderList(header *types.Header, coinbase common.Address
collateralToken = oldestOrder.CollateralToken
borrowFee = lendingstate.GetFee(statedb, oldestOrder.Relayer)
}
if collateralToken.String() == lendingstate.EmptyAddress {
if collateralToken.IsZero() {
return nil, nil, nil, fmt.Errorf("empty collateral")
}
collateralPrice := common.BasePrice
depositRate, liquidationRate, recallRate := lendingstate.GetCollateralDetail(statedb, collateralToken)
if depositRate == nil || depositRate.Sign() <= 0 {
return nil, nil, nil, fmt.Errorf("invalid depositRate %v", depositRate)
@ -953,11 +953,11 @@ func (l *Lending) GetMediumTradePriceBeforeEpoch(chain consensus.ChainContext, s
return nil, nil
}
//LendToken and CollateralToken must meet at least one of following conditions
//- Have direct pair in XDCX: lendToken/CollateralToken or CollateralToken/LendToken
//- Have pairs with XDC:
//- lendToken/XDC and CollateralToken/XDC
//- XDC/lendToken and XDC/CollateralToken
// LendToken and CollateralToken must meet at least one of following conditions
// - Have direct pair in XDCX: lendToken/CollateralToken or CollateralToken/LendToken
// - Have pairs with XDC:
// - lendToken/XDC and CollateralToken/XDC
// - XDC/lendToken and XDC/CollateralToken
func (l *Lending) GetCollateralPrices(header *types.Header, chain consensus.ChainContext, statedb *state.StateDB, tradingStateDb *tradingstate.TradingStateDB, collateralToken common.Address, lendingToken common.Address) (*big.Int, *big.Int, error) {
// lendTokenXDCPrice: price of ticker lendToken/XDC
// collateralXDCPrice: price of ticker collateralToken/XDC

4
core/lending_pool.go
View file

@ -431,7 +431,7 @@ func (pool *LendingPool) validateNewLending(cloneStateDb *state.StateDB, cloneLe
return ErrInvalidLendingType
}
if tx.Side() == lendingstate.Borrowing {
if tx.CollateralToken().String() == lendingstate.EmptyAddress || tx.CollateralToken().String() == tx.LendingToken().String() {
if tx.CollateralToken().IsZero() || tx.CollateralToken() == tx.LendingToken() {
return ErrInvalidLendingCollateral
}
validCollateral := false
@ -541,7 +541,7 @@ func (pool *LendingPool) validateBalance(cloneStateDb *state.StateDB, cloneLendi
// collateralPrice = BTC/USD (eg: 8000 USD)
// lendTokenXDCPrice: price of lendingToken in XDC quote
var lendTokenXDCPrice, collateralPrice, collateralTokenDecimal *big.Int
if collateralToken.String() != lendingstate.EmptyAddress {
if !collateralToken.IsZero() {
collateralTokenDecimal, err = XDCXServ.GetTokenDecimal(pool.chain, cloneStateDb, collateralToken)
if err != nil {
return fmt.Errorf("validateOrder: failed to get collateralTokenDecimal. err: %v", err)