/
account.go
117 lines (95 loc) · 2.93 KB
/
account.go
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package auth
import (
"errors"
"github.com/OCEChain/OCEChain/codec"
sdk "github.com/OCEChain/OCEChain/types"
"github.com/tendermint/tendermint/crypto"
)
// Account is an interface used to store coins at a given address within state.
// It presumes a notion of sequence numbers for replay protection,
// a notion of account numbers for replay protection for previously pruned accounts,
// and a pubkey for authentication purposes.
//
// Many complex conditions can be used in the concrete struct which implements Account.
type Account interface {
GetAddress() sdk.AccAddress
SetAddress(sdk.AccAddress) error // errors if already set.
GetPubKey() crypto.PubKey // can return nil.
SetPubKey(crypto.PubKey) error
GetSequence() int64
SetSequence(int64) error
GetCoins() sdk.Coins
SetCoins(sdk.Coins) error
}
// AccountDecoder unmarshals account bytes
type AccountDecoder func(accountBytes []byte) (Account, error)
//-----------------------------------------------------------
// BaseAccount
var _ Account = (*BaseAccount)(nil)
// BaseAccount - a base account structure.
// This can be extended by embedding within in your AppAccount.
// There are examples of this in: examples/basecoin/types/account.go.
// However one doesn't have to use BaseAccount as long as your struct
// implements Account.
type BaseAccount struct {
Address sdk.AccAddress `json:"address"`
Coins sdk.Coins `json:"coins"`
PubKey crypto.PubKey `json:"public_key"`
Sequence int64 `json:"sequence"`
}
// Prototype function for BaseAccount
func ProtoBaseAccount() Account {
return &BaseAccount{}
}
func NewBaseAccountWithAddress(addr sdk.AccAddress) BaseAccount {
return BaseAccount{
Address: addr,
}
}
// Implements sdk.Account.
func (acc BaseAccount) GetAddress() sdk.AccAddress {
return acc.Address
}
// Implements sdk.Account.
func (acc *BaseAccount) SetAddress(addr sdk.AccAddress) error {
if len(acc.Address) != 0 {
return errors.New("cannot override BaseAccount address")
}
acc.Address = addr
return nil
}
// Implements sdk.Account.
func (acc BaseAccount) GetPubKey() crypto.PubKey {
return acc.PubKey
}
// Implements sdk.Account.
func (acc *BaseAccount) SetPubKey(pubKey crypto.PubKey) error {
acc.PubKey = pubKey
return nil
}
// Implements sdk.Account.
func (acc *BaseAccount) GetCoins() sdk.Coins {
return acc.Coins
}
// Implements sdk.Account.
func (acc *BaseAccount) SetCoins(coins sdk.Coins) error {
acc.Coins = coins
return nil
}
// Implements sdk.Account.
func (acc *BaseAccount) GetSequence() int64 {
return acc.Sequence
}
// Implements sdk.Account.
func (acc *BaseAccount) SetSequence(seq int64) error {
acc.Sequence = seq
return nil
}
//----------------------------------------
// Wire
// Most users shouldn't use this, but this comes in handy for tests.
func RegisterBaseAccount(cdc *codec.Codec) {
cdc.RegisterInterface((*Account)(nil), nil)
cdc.RegisterConcrete(&BaseAccount{}, "cosmos-sdk/BaseAccount", nil)
codec.RegisterCrypto(cdc)
}