keeper

package
v0.0.0-...-7c30539 Latest Latest
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 Go to latest Published: Jul 25, 2020 License: Apache-2.0 Imports: 19 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AllInvariants 

func AllInvariants(k Keeper) sdk.Invariant

AllInvariants runs all invariants of the X/bank module.

func NewQuerier 

func NewQuerier(k Keeper, cdc codec.JSONMarshaler) sdk.Querier

NewQuerier returns a new sdk.Keeper instance.

func NonnegativeBalanceInvariant 

func NonnegativeBalanceInvariant(k ViewKeeper) sdk.Invariant

NonnegativeBalanceInvariant checks that all accounts in the application have non-negative balances

func RegisterInvariants 

func RegisterInvariants(ir sdk.InvariantRegistry, k Keeper)

RegisterInvariants registers the bank module invariants

func TotalSupply 

func TotalSupply(k Keeper) sdk.Invariant

TotalSupply checks that the total supply reflects all the coins held in accounts

Types

type BaseKeeper 

type BaseKeeper struct {
	BaseSendKeeper
	// contains filtered or unexported fields
}

BaseKeeper manages transfers between accounts. It implements the Keeper interface.

func NewBaseKeeper 

func NewBaseKeeper(
	cdc codec.BinaryMarshaler, storeKey sdk.StoreKey, ak types.AccountKeeper, paramSpace paramtypes.Subspace,
	blockedAddrs map[string]bool,
) BaseKeeper

func (BaseKeeper) AllBalances 

func (q BaseKeeper) AllBalances(c context.Context, req *types.QueryAllBalancesRequest) (*types.QueryAllBalancesResponse, error)

AllBalances implements the Query/AllBalances gRPC method

func (BaseKeeper) Balance 

func (q BaseKeeper) Balance(c context.Context, req *types.QueryBalanceRequest) (*types.QueryBalanceResponse, error)

Balance implements the Query/Balance gRPC method

func (BaseKeeper) BurnCoins 

func (k BaseKeeper) BurnCoins(ctx sdk.Context, moduleName string, amt sdk.Coins) error

BurnCoins burns coins deletes coins from the balance of the module account. It will panic if the module account does not exist or is unauthorized.

func (BaseKeeper) DelegateCoins 

func (k BaseKeeper) DelegateCoins(ctx sdk.Context, delegatorAddr, moduleAccAddr sdk.AccAddress, amt sdk.Coins) error

DelegateCoins performs delegation by deducting amt coins from an account with address addr. For vesting accounts, delegations amounts are tracked for both vesting and vested coins. The coins are then transferred from the delegator address to a ModuleAccount address. If any of the delegation amounts are negative, an error is returned.

func (BaseKeeper) DelegateCoinsFromAccountToModule 

func (k BaseKeeper) DelegateCoinsFromAccountToModule(
	ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins,
) error

DelegateCoinsFromAccountToModule delegates coins and transfers them from a delegator account to a module account. It will panic if the module account does not exist or is unauthorized.

func (BaseKeeper) ExportGenesis 

func (k BaseKeeper) ExportGenesis(ctx sdk.Context) types.GenesisState

ExportGenesis returns the bank module's genesis state.

func (BaseKeeper) GetSupply 

func (k BaseKeeper) GetSupply(ctx sdk.Context) exported.SupplyI

GetSupply retrieves the Supply from store

func (BaseKeeper) InitGenesis 

func (k BaseKeeper) InitGenesis(ctx sdk.Context, genState types.GenesisState)

InitGenesis initializes the bank module's state from a given genesis state.

func (BaseKeeper) MarshalSupply 

func (k BaseKeeper) MarshalSupply(supplyI exported.SupplyI) ([]byte, error)

MarshalSupply marshals a Supply interface. If the given type implements the Marshaler interface, it is treated as a Proto-defined message and serialized that way. Otherwise, it falls back on the internal Amino codec.

func (BaseKeeper) MintCoins 

func (k BaseKeeper) MintCoins(ctx sdk.Context, moduleName string, amt sdk.Coins) error

MintCoins creates new coins from thin air and adds it to the module account. It will panic if the module account does not exist or is unauthorized.

func (BaseKeeper) SendCoinsFromAccountToModule 

func (k BaseKeeper) SendCoinsFromAccountToModule(
	ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins,
) error

SendCoinsFromAccountToModule transfers coins from an AccAddress to a ModuleAccount. It will panic if the module account does not exist.

func (BaseKeeper) SendCoinsFromModuleToAccount 

func (k BaseKeeper) SendCoinsFromModuleToAccount(
	ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins,
) error

SendCoinsFromModuleToAccount transfers coins from a ModuleAccount to an AccAddress. It will panic if the module account does not exist.

func (BaseKeeper) SendCoinsFromModuleToModule 

func (k BaseKeeper) SendCoinsFromModuleToModule(
	ctx sdk.Context, senderModule, recipientModule string, amt sdk.Coins,
) error

SendCoinsFromModuleToModule transfers coins from a ModuleAccount to another. It will panic if either module account does not exist.

func (BaseKeeper) SetSupply 

func (k BaseKeeper) SetSupply(ctx sdk.Context, supply exported.SupplyI)

SetSupply sets the Supply to store

func (BaseKeeper) SupplyOf 

func (q BaseKeeper) SupplyOf(c context.Context, req *types.QuerySupplyOfRequest) (*types.QuerySupplyOfResponse, error)

SupplyOf implements the Query/SupplyOf gRPC method

func (BaseKeeper) TotalSupply 

func (q BaseKeeper) TotalSupply(c context.Context, _ *types.QueryTotalSupplyRequest) (*types.QueryTotalSupplyResponse, error)

TotalSupply implements the Query/TotalSupply gRPC method

func (BaseKeeper) UndelegateCoins 

func (k BaseKeeper) UndelegateCoins(ctx sdk.Context, moduleAccAddr, delegatorAddr sdk.AccAddress, amt sdk.Coins) error

UndelegateCoins performs undelegation by crediting amt coins to an account with address addr. For vesting accounts, undelegation amounts are tracked for both vesting and vested coins. The coins are then transferred from a ModuleAccount address to the delegator address. If any of the undelegation amounts are negative, an error is returned.

func (BaseKeeper) UndelegateCoinsFromModuleToAccount 

func (k BaseKeeper) UndelegateCoinsFromModuleToAccount(
	ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins,
) error

UndelegateCoinsFromModuleToAccount undelegates the unbonding coins and transfers them from a module account to the delegator account. It will panic if the module account does not exist or is unauthorized.

func (BaseKeeper) UnmarshalSupply 

func (k BaseKeeper) UnmarshalSupply(bz []byte) (exported.SupplyI, error)

UnmarshalSupply returns a Supply interface from raw encoded supply bytes of a Proto-based Supply type. An error is returned upon decoding failure.

type BaseSendKeeper 

type BaseSendKeeper struct {
	BaseViewKeeper
	// contains filtered or unexported fields
}

BaseSendKeeper only allows transfers between accounts without the possibility of creating coins. It implements the SendKeeper interface.

func NewBaseSendKeeper 

func NewBaseSendKeeper(
	cdc codec.BinaryMarshaler, storeKey sdk.StoreKey, ak types.AccountKeeper, paramSpace paramtypes.Subspace, blockedAddrs map[string]bool,
) BaseSendKeeper

func (BaseSendKeeper) AddCoins 

func (k BaseSendKeeper) AddCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) (sdk.Coins, error)

AddCoins adds amt to the account balance given by the provided address. An error is returned if the initial amount is invalid or if any resulting new balance is negative.

func (BaseSendKeeper) BlockedAddr 

func (k BaseSendKeeper) BlockedAddr(addr sdk.AccAddress) bool

BlockedAddr checks if a given address is restricted from receiving funds.

func (BaseSendKeeper) ClearBalances 

func (k BaseSendKeeper) ClearBalances(ctx sdk.Context, addr sdk.AccAddress)

ClearBalances removes all balances for a given account by address.

func (BaseSendKeeper) GetParams 

func (k BaseSendKeeper) GetParams(ctx sdk.Context) (params types.Params)

GetParams returns the total set of bank parameters.

func (BaseSendKeeper) InputOutputCoins 

func (k BaseSendKeeper) InputOutputCoins(ctx sdk.Context, inputs []types.Input, outputs []types.Output) error

InputOutputCoins performs multi-send functionality. It accepts a series of inputs that correspond to a series of outputs. It returns an error if the inputs and outputs don't lineup or if any single transfer of tokens fails.

func (BaseSendKeeper) SendCoins 

func (k BaseSendKeeper) SendCoins(ctx sdk.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins) error

SendCoins transfers amt coins from a sending account to a receiving account. An error is returned upon failure.

func (BaseSendKeeper) SendEnabledCoin 

func (k BaseSendKeeper) SendEnabledCoin(ctx sdk.Context, coin sdk.Coin) bool

SendEnabledCoin returns the current SendEnabled status of the provided coin's denom

func (BaseSendKeeper) SendEnabledCoins 

func (k BaseSendKeeper) SendEnabledCoins(ctx sdk.Context, coins ...sdk.Coin) error

SendEnabledCoins checks the coins provide and returns an ErrSendDisabled if any of the coins are not configured for sending. Returns nil if sending is enabled for all provided coin

func (BaseSendKeeper) SetBalance 

func (k BaseSendKeeper) SetBalance(ctx sdk.Context, addr sdk.AccAddress, balance sdk.Coin) error

SetBalance sets the coin balance for an account by address.

func (BaseSendKeeper) SetBalances 

func (k BaseSendKeeper) SetBalances(ctx sdk.Context, addr sdk.AccAddress, balances sdk.Coins) error

SetBalances sets the balance (multiple coins) for an account by address. It will clear out all balances prior to setting the new coins as to set existing balances to zero if they don't exist in amt. An error is returned upon failure.

func (BaseSendKeeper) SetParams 

func (k BaseSendKeeper) SetParams(ctx sdk.Context, params types.Params)

SetParams sets the total set of bank parameters.

func (BaseSendKeeper) SubtractCoins 

func (k BaseSendKeeper) SubtractCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) (sdk.Coins, error)

SubtractCoins removes amt coins the account by the given address. An error is returned if the resulting balance is negative or the initial amount is invalid.

type BaseViewKeeper 

type BaseViewKeeper struct {
	// contains filtered or unexported fields
}

BaseViewKeeper implements a read only keeper implementation of ViewKeeper.

func NewBaseViewKeeper 

func NewBaseViewKeeper(cdc codec.BinaryMarshaler, storeKey sdk.StoreKey, ak types.AccountKeeper) BaseViewKeeper

NewBaseViewKeeper returns a new BaseViewKeeper.

func (BaseViewKeeper) GetAllBalances 

func (k BaseViewKeeper) GetAllBalances(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

GetAllBalances returns all the account balances for the given account address.

func (BaseViewKeeper) GetBalance 

func (k BaseViewKeeper) GetBalance(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin

GetBalance returns the balance of a specific denomination for a given account by address.

func (BaseViewKeeper) HasBalance 

func (k BaseViewKeeper) HasBalance(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coin) bool

HasBalance returns whether or not an account has at least amt balance.

func (BaseViewKeeper) IterateAccountBalances 

func (k BaseViewKeeper) IterateAccountBalances(ctx sdk.Context, addr sdk.AccAddress, cb func(sdk.Coin) bool)

IterateAccountBalances iterates over the balances of a single account and provides the token balance to a callback. If true is returned from the callback, iteration is halted.

func (BaseViewKeeper) IterateAllBalances 

func (k BaseViewKeeper) IterateAllBalances(ctx sdk.Context, cb func(sdk.AccAddress, sdk.Coin) bool)

IterateAllBalances iterates over all the balances of all accounts and denominations that are provided to a callback. If true is returned from the callback, iteration is halted.

func (BaseViewKeeper) LockedCoins 

func (k BaseViewKeeper) LockedCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

LockedCoins returns all the coins that are not spendable (i.e. locked) for an account by address. For standard accounts, the result will always be no coins. For vesting accounts, LockedCoins is delegated to the concrete vesting account type.

func (BaseViewKeeper) Logger 

func (k BaseViewKeeper) Logger(ctx sdk.Context) log.Logger

Logger returns a module-specific logger.

func (BaseViewKeeper) SpendableCoins 

func (k BaseViewKeeper) SpendableCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

SpendableCoins returns the total balances of spendable coins for an account by address. If the account has no spendable coins, an empty Coins slice is returned.

func (BaseViewKeeper) ValidateBalance 

func (k BaseViewKeeper) ValidateBalance(ctx sdk.Context, addr sdk.AccAddress) error

ValidateBalance validates all balances for a given account address returning an error if any balance is invalid. It will check for vesting account types and validate the balances against the original vesting balances.

CONTRACT: ValidateBalance should only be called upon genesis state. In the case of vesting accounts, balances may change in a valid manner that would otherwise yield an error from this call.

type Keeper 

type Keeper interface {
	SendKeeper

	InitGenesis(sdk.Context, types.GenesisState)
	ExportGenesis(sdk.Context) types.GenesisState

	GetSupply(ctx sdk.Context) exported.SupplyI
	SetSupply(ctx sdk.Context, supply exported.SupplyI)

	SendCoinsFromModuleToAccount(ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins) error
	SendCoinsFromModuleToModule(ctx sdk.Context, senderModule, recipientModule string, amt sdk.Coins) error
	SendCoinsFromAccountToModule(ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins) error
	DelegateCoinsFromAccountToModule(ctx sdk.Context, senderAddr sdk.AccAddress, recipientModule string, amt sdk.Coins) error
	UndelegateCoinsFromModuleToAccount(ctx sdk.Context, senderModule string, recipientAddr sdk.AccAddress, amt sdk.Coins) error
	MintCoins(ctx sdk.Context, moduleName string, amt sdk.Coins) error
	BurnCoins(ctx sdk.Context, moduleName string, amt sdk.Coins) error

	DelegateCoins(ctx sdk.Context, delegatorAddr, moduleAccAddr sdk.AccAddress, amt sdk.Coins) error
	UndelegateCoins(ctx sdk.Context, moduleAccAddr, delegatorAddr sdk.AccAddress, amt sdk.Coins) error
	MarshalSupply(supplyI exported.SupplyI) ([]byte, error)
	UnmarshalSupply(bz []byte) (exported.SupplyI, error)

	types.QueryServer
}

Keeper defines a module interface that facilitates the transfer of coins between accounts.

type SendKeeper 

type SendKeeper interface {
	ViewKeeper

	InputOutputCoins(ctx sdk.Context, inputs []types.Input, outputs []types.Output) error
	SendCoins(ctx sdk.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins) error

	SubtractCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) (sdk.Coins, error)
	AddCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) (sdk.Coins, error)

	SetBalance(ctx sdk.Context, addr sdk.AccAddress, balance sdk.Coin) error
	SetBalances(ctx sdk.Context, addr sdk.AccAddress, balances sdk.Coins) error

	GetParams(ctx sdk.Context) types.Params
	SetParams(ctx sdk.Context, params types.Params)

	SendEnabledCoin(ctx sdk.Context, coin sdk.Coin) bool
	SendEnabledCoins(ctx sdk.Context, coins ...sdk.Coin) error

	BlockedAddr(addr sdk.AccAddress) bool
}

SendKeeper defines a module interface that facilitates the transfer of coins between accounts without the possibility of creating coins.

type ViewKeeper 

type ViewKeeper interface {
	ValidateBalance(ctx sdk.Context, addr sdk.AccAddress) error
	HasBalance(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coin) bool

	GetAllBalances(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
	GetBalance(ctx sdk.Context, addr sdk.AccAddress, denom string) sdk.Coin
	LockedCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
	SpendableCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

	IterateAccountBalances(ctx sdk.Context, addr sdk.AccAddress, cb func(coin sdk.Coin) (stop bool))
	IterateAllBalances(ctx sdk.Context, cb func(address sdk.AccAddress, coin sdk.Coin) (stop bool))
}

ViewKeeper defines a module interface that facilitates read only access to account balances.

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