hard reset
This commit is contained in:
Sunny Aggarwal
Christopher Goes
parent
0f2aa6bb14
commit
c7bd05f0b8
211
x/bank/keeper.go
211
x/bank/keeper.go
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@ -8,6 +8,85 @@ import (
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const moduleName = "bank"
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func getCoins(ctx sdk.Context, am sdk.AccountMapper, addr sdk.Address) sdk.Coins {
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acc := am.GetAccount(ctx, addr)
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if acc == nil {
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return sdk.Coins{}
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}
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return acc.GetCoins()
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}
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func setCoins(ctx sdk.Context, am sdk.AccountMapper, addr sdk.Address, amt sdk.Coins) sdk.Error {
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acc := am.GetAccount(ctx, addr)
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if acc == nil {
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acc = am.NewAccountWithAddress(ctx, addr)
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}
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acc.SetCoins(amt)
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am.SetAccount(ctx, acc)
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return nil
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}
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// HasCoins returns whether or not an account has at least amt coins.
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func hasCoins(ctx sdk.Context, am sdk.AccountMapper, addr sdk.Address, amt sdk.Coins) bool {
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return getCoins(ctx, am, addr).IsGTE(amt)
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}
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// SubtractCoins subtracts amt from the coins at the addr.
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func subtractCoins(ctx sdk.Context, am sdk.AccountMapper, addr sdk.Address, amt sdk.Coins) (sdk.Coins, sdk.Error) {
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oldCoins := getCoins(ctx, am, addr)
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newCoins := oldCoins.Minus(amt)
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if !newCoins.IsNotNegative() {
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return amt, sdk.ErrInsufficientCoins(fmt.Sprintf("%s < %s", oldCoins, amt))
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}
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err := setCoins(ctx, am, addr, newCoins)
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return newCoins, err
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}
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// AddCoins adds amt to the coins at the addr.
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func addCoins(ctx sdk.Context, am sdk.AccountMapper, addr sdk.Address, amt sdk.Coins) (sdk.Coins, sdk.Error) {
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oldCoins := getCoins(ctx, am, addr)
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newCoins := oldCoins.Plus(amt)
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if !newCoins.IsNotNegative() {
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return amt, sdk.ErrInsufficientCoins(fmt.Sprintf("%s < %s", oldCoins, amt))
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}
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err := setCoins(ctx, am, addr, newCoins)
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return newCoins, err
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}
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// SendCoins moves coins from one account to another
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func sendCoins(ctx sdk.Context, am sdk.AccountMapper, fromAddr sdk.Address, toAddr sdk.Address, amt sdk.Coins) sdk.Error {
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_, err := subtractCoins(ctx, am, fromAddr, amt)
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if err != nil {
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return err
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}
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_, err = addCoins(ctx, am, toAddr, amt)
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if err != nil {
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return err
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}
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return nil
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}
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// InputOutputCoins handles a list of inputs and outputs
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func inputOutputCoins(ctx sdk.Context, am sdk.AccountMapper, inputs []Input, outputs []Output) sdk.Error {
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for _, in := range inputs {
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_, err := subtractCoins(ctx, am, in.Address, in.Coins)
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if err != nil {
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return err
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}
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}
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for _, out := range outputs {
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_, err := addCoins(ctx, am, out.Address, out.Coins)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// CoinKeeper manages transfers between accounts
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type CoinKeeper struct {
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am sdk.AccountMapper
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@ -19,74 +98,90 @@ func NewCoinKeeper(am sdk.AccountMapper) CoinKeeper {
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}
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// GetCoins returns the coins at the addr.
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func (ck CoinKeeper) GetCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) sdk.Coins {
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acc := ck.am.GetAccount(ctx, addr)
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return acc.GetCoins()
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func (keeper CoinKeeper) GetCoins(ctx sdk.Context, addr sdk.Address) sdk.Coins {
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return getCoins(ctx, keeper.am, addr)
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}
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// SetCoins sets the coins at the addr.
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func (keeper CoinKeeper) SetCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) sdk.Error {
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return setCoins(ctx, keeper.am, addr, amt)
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}
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// HasCoins returns whether or not an account has at least amt coins.
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func (keeper CoinKeeper) HasCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) bool {
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return hasCoins(ctx, keeper.am, addr, amt)
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}
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// SubtractCoins subtracts amt from the coins at the addr.
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func (ck CoinKeeper) SubtractCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) (sdk.Coins, sdk.Error) {
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acc := ck.am.GetAccount(ctx, addr)
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if acc == nil {
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return amt, sdk.ErrUnknownAddress(addr.String())
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}
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coins := acc.GetCoins()
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newCoins := coins.Minus(amt)
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if !newCoins.IsNotNegative() {
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return amt, sdk.ErrInsufficientCoins(fmt.Sprintf("%s < %s", coins, amt))
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}
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acc.SetCoins(newCoins)
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ck.am.SetAccount(ctx, acc)
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return newCoins, nil
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func (keeper CoinKeeper) SubtractCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) (sdk.Coins, sdk.Error) {
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return subtractCoins(ctx, keeper.am, addr, amt)
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}
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// AddCoins adds amt to the coins at the addr.
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func (ck CoinKeeper) AddCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) (sdk.Coins, sdk.Error) {
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acc := ck.am.GetAccount(ctx, addr)
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if acc == nil {
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acc = ck.am.NewAccountWithAddress(ctx, addr)
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}
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coins := acc.GetCoins()
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newCoins := coins.Plus(amt)
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acc.SetCoins(newCoins)
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ck.am.SetAccount(ctx, acc)
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return newCoins, nil
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func (keeper CoinKeeper) AddCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) (sdk.Coins, sdk.Error) {
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return addCoins(ctx, keeper.am, addr, amt)
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}
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// SendCoins moves coins from one account to another
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func (ck CoinKeeper) SendCoins(ctx sdk.Context, fromAddr sdk.Address, toAddr sdk.Address, amt sdk.Coins) sdk.Error {
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_, err := ck.SubtractCoins(ctx, fromAddr, amt)
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if err != nil {
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return err
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}
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_, err = ck.AddCoins(ctx, toAddr, amt)
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if err != nil {
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return err
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}
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return nil
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func (keeper CoinKeeper) SendCoins(ctx sdk.Context, fromAddr sdk.Address, toAddr sdk.Address, amt sdk.Coins) sdk.Error {
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return sendCoins(ctx, keeper.am, fromAddr, toAddr, amt)
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}
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// InputOutputCoins handles a list of inputs and outputs
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func (ck CoinKeeper) InputOutputCoins(ctx sdk.Context, inputs []Input, outputs []Output) sdk.Error {
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for _, in := range inputs {
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_, err := ck.SubtractCoins(ctx, in.Address, in.Coins)
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if err != nil {
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return err
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}
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}
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for _, out := range outputs {
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_, err := ck.AddCoins(ctx, out.Address, out.Coins)
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if err != nil {
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return err
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}
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}
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return nil
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func (keeper CoinKeeper) InputOutputCoins(ctx sdk.Context, inputs []Input, outputs []Output) sdk.Error {
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return inputOutputCoins(ctx, keeper.am, inputs, outputs)
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}
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// --------------------------------------------------
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// SendKeeper only allows transfers between accounts, without the possibility of creating coins
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type SendKeeper struct {
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am sdk.AccountMapper
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}
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// NewSendKeeper returns a new CoinKeeper
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func NewSendKeeper(am sdk.AccountMapper) SendKeeper {
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return SendKeeper{am: am}
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}
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// GetCoins returns the coins at the addr.
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func (keeper SendKeeper) GetCoins(ctx sdk.Context, addr sdk.Address) sdk.Coins {
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return getCoins(ctx, keeper.am, addr)
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}
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// HasCoins returns whether or not an account has at least amt coins.
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func (keeper SendKeeper) HasCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) bool {
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return hasCoins(ctx, keeper.am, addr, amt)
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}
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// SendCoins moves coins from one account to another
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func (keeper SendKeeper) SendCoins(ctx sdk.Context, fromAddr sdk.Address, toAddr sdk.Address, amt sdk.Coins) sdk.Error {
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return sendCoins(ctx, keeper.am, fromAddr, toAddr, amt)
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}
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// InputOutputCoins handles a list of inputs and outputs
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func (keeper SendKeeper) InputOutputCoins(ctx sdk.Context, inputs []Input, outputs []Output) sdk.Error {
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return inputOutputCoins(ctx, keeper.am, inputs, outputs)
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}
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// --------------------------------------------------
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// ViewKeeper only allows reading of balances
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type ViewKeeper struct {
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am sdk.AccountMapper
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}
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// NewViewKeeper returns a new CoinKeeper
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func NewViewKeeper(am sdk.AccountMapper) ViewKeeper {
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return ViewKeeper{am: am}
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}
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// GetCoins returns the coins at the addr.
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func (keeper ViewKeeper) GetCoins(ctx sdk.Context, addr sdk.Address) sdk.Coins {
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return getCoins(ctx, keeper.am, addr)
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}
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// HasCoins returns whether or not an account has at least amt coins.
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func (keeper ViewKeeper) HasCoins(ctx sdk.Context, addr sdk.Address, amt sdk.Coins) bool {
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return hasCoins(ctx, keeper.am, addr, amt)
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}
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@ -0,0 +1,217 @@
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package bank
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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abci "github.com/tendermint/abci/types"
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dbm "github.com/tendermint/tmlibs/db"
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"github.com/cosmos/cosmos-sdk/store"
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sdk "github.com/cosmos/cosmos-sdk/types"
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oldwire "github.com/tendermint/go-wire"
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"github.com/cosmos/cosmos-sdk/x/auth"
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)
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func setupMultiStore() (sdk.MultiStore, *sdk.KVStoreKey) {
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db := dbm.NewMemDB()
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authKey := sdk.NewKVStoreKey("authkey")
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ms := store.NewCommitMultiStore(db)
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ms.MountStoreWithDB(authKey, sdk.StoreTypeIAVL, db)
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ms.LoadLatestVersion()
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return ms, authKey
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}
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func TestCoinKeeper(t *testing.T) {
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ms, authKey := setupMultiStore()
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// wire registration while we're at it ... TODO
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var _ = oldwire.RegisterInterface(
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struct{ sdk.Account }{},
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oldwire.ConcreteType{&auth.BaseAccount{}, 0x1},
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)
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ctx := sdk.NewContext(ms, abci.Header{}, false, nil)
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accountMapper := auth.NewAccountMapper(authKey, &auth.BaseAccount{})
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coinKeeper := NewCoinKeeper(accountMapper)
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addr := sdk.Address([]byte("addr1"))
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addr2 := sdk.Address([]byte("addr2"))
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addr3 := sdk.Address([]byte("addr3"))
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acc := accountMapper.NewAccountWithAddress(ctx, addr)
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// Test GetCoins/SetCoins
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accountMapper.SetAccount(ctx, acc)
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{}))
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coinKeeper.SetCoins(ctx, addr, sdk.Coins{{"foocoin", 10}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
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// Test HasCoins
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assert.True(t, coinKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 10}}))
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assert.True(t, coinKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 5}}))
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assert.False(t, coinKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 15}}))
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assert.False(t, coinKeeper.HasCoins(ctx, addr, sdk.Coins{{"barcoin", 5}}))
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// Test AddCoins
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coinKeeper.AddCoins(ctx, addr, sdk.Coins{{"foocoin", 15}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 25}}))
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coinKeeper.AddCoins(ctx, addr, sdk.Coins{{"barcoin", 15}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 15}, {"foocoin", 25}}))
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// Test SubtractCoins
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coinKeeper.SubtractCoins(ctx, addr, sdk.Coins{{"foocoin", 10}})
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coinKeeper.SubtractCoins(ctx, addr, sdk.Coins{{"barcoin", 5}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 10}, {"foocoin", 15}}))
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_, err := coinKeeper.SubtractCoins(ctx, addr, sdk.Coins{{"barcoin", 11}})
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assert.Implements(t, (*sdk.Error)(nil), err)
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 10}, {"foocoin", 15}}))
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coinKeeper.SubtractCoins(ctx, addr, sdk.Coins{{"barcoin", 10}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 15}}))
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assert.False(t, coinKeeper.HasCoins(ctx, addr, sdk.Coins{{"barcoin", 1}}))
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// Test SendCoins
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coinKeeper.SendCoins(ctx, addr, addr2, sdk.Coins{{"foocoin", 5}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
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assert.True(t, coinKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"foocoin", 5}}))
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err2 := coinKeeper.SendCoins(ctx, addr, addr2, sdk.Coins{{"foocoin", 50}})
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assert.Implements(t, (*sdk.Error)(nil), err2)
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
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assert.True(t, coinKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"foocoin", 5}}))
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coinKeeper.AddCoins(ctx, addr, sdk.Coins{{"barcoin", 30}})
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coinKeeper.SendCoins(ctx, addr, addr2, sdk.Coins{{"barcoin", 10}, {"foocoin", 5}})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 20}, {"foocoin", 5}}))
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assert.True(t, coinKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"barcoin", 10}, {"foocoin", 10}}))
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// Test InputOutputCoins
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input1 := NewInput(addr2, sdk.Coins{{"foocoin", 2}})
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output1 := NewOutput(addr, sdk.Coins{{"foocoin", 2}})
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coinKeeper.InputOutputCoins(ctx, []Input{input1}, []Output{output1})
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 20}, {"foocoin", 7}}))
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assert.True(t, coinKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"barcoin", 10}, {"foocoin", 8}}))
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inputs := []Input{
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NewInput(addr, sdk.Coins{{"foocoin", 3}}),
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NewInput(addr2, sdk.Coins{{"barcoin", 3}, {"foocoin", 2}}),
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}
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outputs := []Output{
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NewOutput(addr, sdk.Coins{{"barcoin", 1}}),
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NewOutput(addr3, sdk.Coins{{"barcoin", 2}, {"foocoin", 5}}),
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}
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coinKeeper.InputOutputCoins(ctx, inputs, outputs)
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assert.True(t, coinKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 21}, {"foocoin", 4}}))
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assert.True(t, coinKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"barcoin", 7}, {"foocoin", 6}}))
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assert.True(t, coinKeeper.GetCoins(ctx, addr3).IsEqual(sdk.Coins{{"barcoin", 2}, {"foocoin", 5}}))
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}
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func TestSendKeeper(t *testing.T) {
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ms, authKey := setupMultiStore()
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// wire registration while we're at it ... TODO
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var _ = oldwire.RegisterInterface(
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struct{ sdk.Account }{},
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oldwire.ConcreteType{&auth.BaseAccount{}, 0x1},
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)
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ctx := sdk.NewContext(ms, abci.Header{}, false, nil)
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accountMapper := auth.NewAccountMapper(authKey, &auth.BaseAccount{})
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coinKeeper := NewCoinKeeper(accountMapper)
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sendKeeper := NewSendKeeper(accountMapper)
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addr := sdk.Address([]byte("addr1"))
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addr2 := sdk.Address([]byte("addr2"))
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addr3 := sdk.Address([]byte("addr3"))
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acc := accountMapper.NewAccountWithAddress(ctx, addr)
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// Test GetCoins/SetCoins
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accountMapper.SetAccount(ctx, acc)
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assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{}))
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coinKeeper.SetCoins(ctx, addr, sdk.Coins{{"foocoin", 10}})
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assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
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// Test HasCoins
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assert.True(t, sendKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 10}}))
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assert.True(t, sendKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 5}}))
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assert.False(t, sendKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 15}}))
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assert.False(t, sendKeeper.HasCoins(ctx, addr, sdk.Coins{{"barcoin", 5}}))
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coinKeeper.SetCoins(ctx, addr, sdk.Coins{{"foocoin", 15}})
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// Test SendCoins
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sendKeeper.SendCoins(ctx, addr, addr2, sdk.Coins{{"foocoin", 5}})
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assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
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assert.True(t, sendKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"foocoin", 5}}))
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err2 := sendKeeper.SendCoins(ctx, addr, addr2, sdk.Coins{{"foocoin", 50}})
|
||||
assert.Implements(t, (*sdk.Error)(nil), err2)
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"foocoin", 5}}))
|
||||
|
||||
coinKeeper.AddCoins(ctx, addr, sdk.Coins{{"barcoin", 30}})
|
||||
sendKeeper.SendCoins(ctx, addr, addr2, sdk.Coins{{"barcoin", 10}, {"foocoin", 5}})
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 20}, {"foocoin", 5}}))
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"barcoin", 10}, {"foocoin", 10}}))
|
||||
|
||||
// Test InputOutputCoins
|
||||
input1 := NewInput(addr2, sdk.Coins{{"foocoin", 2}})
|
||||
output1 := NewOutput(addr, sdk.Coins{{"foocoin", 2}})
|
||||
sendKeeper.InputOutputCoins(ctx, []Input{input1}, []Output{output1})
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 20}, {"foocoin", 7}}))
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"barcoin", 10}, {"foocoin", 8}}))
|
||||
|
||||
inputs := []Input{
|
||||
NewInput(addr, sdk.Coins{{"foocoin", 3}}),
|
||||
NewInput(addr2, sdk.Coins{{"barcoin", 3}, {"foocoin", 2}}),
|
||||
}
|
||||
|
||||
outputs := []Output{
|
||||
NewOutput(addr, sdk.Coins{{"barcoin", 1}}),
|
||||
NewOutput(addr3, sdk.Coins{{"barcoin", 2}, {"foocoin", 5}}),
|
||||
}
|
||||
sendKeeper.InputOutputCoins(ctx, inputs, outputs)
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"barcoin", 21}, {"foocoin", 4}}))
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr2).IsEqual(sdk.Coins{{"barcoin", 7}, {"foocoin", 6}}))
|
||||
assert.True(t, sendKeeper.GetCoins(ctx, addr3).IsEqual(sdk.Coins{{"barcoin", 2}, {"foocoin", 5}}))
|
||||
|
||||
}
|
||||
|
||||
func TestViewKeeper(t *testing.T) {
|
||||
ms, authKey := setupMultiStore()
|
||||
|
||||
// wire registration while we're at it ... TODO
|
||||
var _ = oldwire.RegisterInterface(
|
||||
struct{ sdk.Account }{},
|
||||
oldwire.ConcreteType{&auth.BaseAccount{}, 0x1},
|
||||
)
|
||||
|
||||
ctx := sdk.NewContext(ms, abci.Header{}, false, nil)
|
||||
accountMapper := auth.NewAccountMapper(authKey, &auth.BaseAccount{})
|
||||
coinKeeper := NewCoinKeeper(accountMapper)
|
||||
viewKeeper := NewViewKeeper(accountMapper)
|
||||
|
||||
addr := sdk.Address([]byte("addr1"))
|
||||
acc := accountMapper.NewAccountWithAddress(ctx, addr)
|
||||
|
||||
// Test GetCoins/SetCoins
|
||||
accountMapper.SetAccount(ctx, acc)
|
||||
assert.True(t, viewKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{}))
|
||||
|
||||
coinKeeper.SetCoins(ctx, addr, sdk.Coins{{"foocoin", 10}})
|
||||
assert.True(t, viewKeeper.GetCoins(ctx, addr).IsEqual(sdk.Coins{{"foocoin", 10}}))
|
||||
|
||||
// Test HasCoins
|
||||
assert.True(t, viewKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 10}}))
|
||||
assert.True(t, viewKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 5}}))
|
||||
assert.False(t, viewKeeper.HasCoins(ctx, addr, sdk.Coins{{"foocoin", 15}}))
|
||||
assert.False(t, viewKeeper.HasCoins(ctx, addr, sdk.Coins{{"barcoin", 5}}))
|
||||
}
|
||||
Loading…
Reference in New Issue