laconicd/types/account.go

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package types
import (
"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/x/auth"
ethcmn "github.com/ethereum/go-ethereum/common"
)
var _ auth.Account = (*Account)(nil)
const (
// DenomDefault defines the single coin type/denomination supported in
// Ethermint.
DenomDefault = "photon"
)
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// ----------------------------------------------------------------------------
// Main Ethermint account
// ----------------------------------------------------------------------------
// Account implements the auth.Account interface and embeds an
// auth.BaseAccount type. It is compatible with the auth.AccountMapper.
type Account struct {
*auth.BaseAccount
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// merkle root of the storage trie
//
// TODO: good chance we may not need this
Root ethcmn.Hash
CodeHash []byte
}
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// ProtoBaseAccount defines the prototype function for BaseAccount used for an
// account mapper.
func ProtoBaseAccount() auth.Account {
return &Account{BaseAccount: &auth.BaseAccount{}}
}
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// Balance returns the balance of an account.
func (acc Account) Balance() sdk.Int {
return acc.GetCoins().AmountOf(DenomDefault)
}
// SetBalance sets an account's balance.
func (acc Account) SetBalance(amt sdk.Int) {
// nolint:errcheck
acc.SetCoins(sdk.Coins{sdk.NewCoin(DenomDefault, amt)})
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}
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// ----------------------------------------------------------------------------
// Code & Storage
// ----------------------------------------------------------------------------
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type (
// Code is account Code type alias
Code []byte
// Storage is account storage type alias
Storage map[ethcmn.Hash]ethcmn.Hash
)
func (c Code) String() string {
return string(c)
}
func (c Storage) String() (str string) {
for key, value := range c {
str += fmt.Sprintf("%X : %X\n", key, value)
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}
return
}
// Copy returns a copy of storage.
func (c Storage) Copy() Storage {
cpy := make(Storage)
for key, value := range c {
cpy[key] = value
}
return cpy
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}