327abc4edf
* Fix setting account balances from assuming single denom * Set order for end blocker to not override account balances * Panic instead of ignoring error (case should never be hit)
100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package types
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import (
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"fmt"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"github.com/cosmos/cosmos-sdk/x/auth/exported"
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ethcmn "github.com/ethereum/go-ethereum/common"
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)
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var _ exported.Account = (*Account)(nil)
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var _ exported.GenesisAccount = (*Account)(nil)
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const (
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// DenomDefault defines the single coin type/denomination supported in
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// Ethermint.
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DenomDefault = "photon"
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)
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// ----------------------------------------------------------------------------
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// Main Ethermint account
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// ----------------------------------------------------------------------------
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// Account implements the auth.Account interface and embeds an
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// auth.BaseAccount type. It is compatible with the auth.AccountMapper.
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type Account struct {
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*auth.BaseAccount
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// merkle root of the storage trie
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//
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// TODO: add back root if needed (marshalling is broken if not initializing)
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// Root ethcmn.Hash
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CodeHash []byte
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}
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// ProtoBaseAccount defines the prototype function for BaseAccount used for an
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// account mapper.
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func ProtoBaseAccount() exported.Account {
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return &Account{BaseAccount: &auth.BaseAccount{}}
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}
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// Balance returns the balance of an account.
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func (acc Account) Balance() sdk.Int {
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return acc.GetCoins().AmountOf(DenomDefault)
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}
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// SetBalance sets an account's balance of photons
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func (acc Account) SetBalance(amt sdk.Int) {
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coins := acc.GetCoins()
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diff := amt.Sub(coins.AmountOf(DenomDefault))
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if diff.IsZero() {
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return
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} else if diff.IsPositive() {
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// Increase coins to amount
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coins = coins.Add(sdk.Coins{sdk.NewCoin(DenomDefault, diff)})
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} else {
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// Decrease coins to amount
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coins = coins.Sub(sdk.Coins{sdk.NewCoin(DenomDefault, diff.Neg())})
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}
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if err := acc.SetCoins(coins); err != nil {
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panic(fmt.Sprintf("Could not set coins for address %s", acc.GetAddress()))
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}
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}
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// ----------------------------------------------------------------------------
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// Code & Storage
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// ----------------------------------------------------------------------------
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type (
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// Code is account Code type alias
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Code []byte
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// Storage is account storage type alias
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Storage map[ethcmn.Hash]ethcmn.Hash
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)
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func (c Code) String() string {
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return string(c)
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}
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func (c Storage) String() (str string) {
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for key, value := range c {
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str += fmt.Sprintf("%X : %X\n", key, value)
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}
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return
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}
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// Copy returns a copy of storage.
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func (c Storage) Copy() Storage {
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cpy := make(Storage)
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for key, value := range c {
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cpy[key] = value
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}
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return cpy
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}
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