/
schema.go
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/
schema.go
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// MIT License
//
// Copyright 2018 Canonical Ledgers, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
package state
import (
"time"
"github.com/Factom-Asset-Tokens/fatd/factom"
"github.com/Factom-Asset-Tokens/fatd/fat/fat1"
"github.com/jinzhu/gorm"
)
type Metadata struct {
gorm.Model
Height uint32
Token string
Issuer *factom.Bytes32
Issued uint64
}
type entry struct {
ID uint64
Hash *factom.Bytes32 `gorm:"type:VARCHAR(32); UNIQUE_INDEX; NOT NULL;"`
Timestamp time.Time `gorm:"NOT NULL;"`
Data factom.Bytes `gorm:"NOT NULL;"`
}
func newEntry(e factom.Entry) entry {
b, _ := e.MarshalBinary()
return entry{
Hash: e.Hash,
Timestamp: e.Timestamp,
Data: b,
}
}
func (e entry) IsValid() bool {
return *e.Hash == factom.EntryHash(e.Data)
}
func (e entry) Entry() factom.Entry {
fe := factom.Entry{Hash: e.Hash, Timestamp: e.Timestamp}
fe.UnmarshalBinary(e.Data)
return fe
}
type Address struct {
gorm.Model
RCDHash *factom.FAAddress `gorm:"type:varchar(32); UNIQUE_INDEX; NOT NULL;"`
Balance uint64 `gorm:"NOT NULL;"`
To []entry `gorm:"many2many:address_transactions_to;"`
From []entry `gorm:"many2many:address_transactions_from;"`
}
func newAddress(fa factom.FAAddress) Address {
return Address{RCDHash: &fa}
}
func (a Address) Address() factom.FAAddress {
return *a.RCDHash
}
type NFToken struct {
gorm.Model
NFTokenID fat1.NFTokenID `gorm:"UNIQUE_INDEX"`
Metadata []byte
OwnerID uint `gorm:"INDEX"`
Owner Address `gorm:"foreignkey:OwnerID"`
PreviousOwners []Address `gorm:"many2many:nf_token_previousowners;"`
Transactions []entry `gorm:"many2many:nf_token_transactions;"`
}