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* increase ONT/ONG decimals * update ontio-std version * fix license * add v2 method * add ong v2 method * update gas price for eip155 tx and api * update test case * fix testcase * fix test * fix test * fmt * fix test * fix test * fix test * fix unboud ong test * fix eip155tx test * fix deserialize bug * update * add api v2 * fix v2 * fmt code * fmt code Co-authored-by: laizy <[email protected]> Co-authored-by: lucas <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| /* | ||
| * Copyright (C) 2018 The ontology Authors | ||
| * This file is part of The ontology library. | ||
| * | ||
| * The ontology 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 ontology 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 ontology. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package states | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "math/big" | ||
|
|
||
| "github.com/laizy/bigint" | ||
| "github.com/ontio/ontology/common" | ||
| ) | ||
|
|
||
| const ScaleFactor = 1000000000 | ||
| const ScaleDecimal9Version = 1 | ||
| const DefaultVersion = 0 | ||
|
|
||
| // ont balance with decimal 9 | ||
| type NativeTokenBalance struct { | ||
| Balance bigint.Int | ||
| } | ||
|
|
||
| func (self *NativeTokenBalance) String() string { | ||
| return self.Balance.String() | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) MustToStorageItemBytes() []byte { | ||
| return self.MustToStorageItem().ToArray() | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) Add(rhs NativeTokenBalance) NativeTokenBalance { | ||
| return NativeTokenBalance{Balance: self.Balance.Add(rhs.Balance)} | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) IsZero() bool { | ||
| return self.Balance.IsZero() | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) Sub(rhs NativeTokenBalance) (result NativeTokenBalance, err error) { | ||
| if self.Balance.LessThan(rhs.Balance) { | ||
| return result, fmt.Errorf("balance sub underflow: a: %s, b: %s", self.Balance, rhs.Balance) | ||
| } | ||
| return NativeTokenBalance{Balance: self.Balance.Sub(rhs.Balance)}, nil | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) MustToStorageItem() *StorageItem { | ||
| if self.IsFloat() { | ||
| return &StorageItem{ | ||
| StateBase: StateBase{StateVersion: ScaleDecimal9Version}, | ||
| Value: common.BigIntToNeoBytes(self.Balance.BigInt()), | ||
| } | ||
| } | ||
|
|
||
| return &StorageItem{ | ||
| StateBase: StateBase{StateVersion: DefaultVersion}, | ||
| Value: common.NewZeroCopySink(nil).WriteUint64(self.MustToInteger64()).Bytes(), | ||
| } | ||
| } | ||
|
|
||
| func NativeTokenBalanceFromStorageItem(val *StorageItem) (NativeTokenBalance, error) { | ||
| if val.StateVersion == DefaultVersion { | ||
| balance, err := common.NewZeroCopySource(val.Value).ReadUint64() | ||
| if err != nil { | ||
| return NativeTokenBalance{}, err | ||
| } | ||
| return NativeTokenBalance{Balance: bigint.Mul(balance, ScaleFactor)}, nil | ||
| } | ||
| balance := bigint.New(common.BigIntFromNeoBytes(val.Value)) | ||
| if balance.IsNegative() { | ||
| return NativeTokenBalance{}, errors.New("negative balance") | ||
| } | ||
|
|
||
| return NativeTokenBalance{Balance: bigint.New(common.BigIntFromNeoBytes(val.Value))}, nil | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) IsFloat() bool { | ||
| return !self.Balance.Mod(ScaleFactor).IsZero() | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) ToInteger() bigint.Int { | ||
| return self.Balance.Div(ScaleFactor) | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) FloatPart() uint64 { | ||
| val := self.Balance.Mod(ScaleFactor).BigInt() | ||
| return val.Uint64() | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) MustToInteger64() uint64 { | ||
| val := self.Balance.Div(ScaleFactor).BigInt() | ||
| if !val.IsUint64() { | ||
| panic("too large token balance") | ||
| } | ||
|
|
||
| return val.Uint64() | ||
| } | ||
|
|
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| func NativeTokenBalanceFromInteger(val uint64) NativeTokenBalance { | ||
| return NativeTokenBalance{Balance: bigint.Mul(val, ScaleFactor)} | ||
| } | ||
|
|
||
| func (self NativeTokenBalance) ToBigInt() *big.Int { | ||
| return self.Balance.BigInt() | ||
| } |
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