bank

package
v0.1.9 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 12, 2023 License: MPL-2.0 Imports: 9 Imported by: 17

Documentation

Overview

nolint

Index

Constants

View Source 
const (
	DefaultCodespace sdk.CodespaceType = 2

	CodeInvalidInput  sdk.CodeType = 101
	CodeInvalidOutput sdk.CodeType = 102
)

Bank errors reserve 100 ~ 199.

View Source 
const (
	MiniTokenSymbolSuffixLen          = 4 // probably enough. if it collides (unlikely) the issuer can just use another tx.
	MiniTokenSymbolMSuffix            = "M"
	MiniTokenMinExecutionAmount int64 = 100000000 // 1 with 8 decimal digits
)

Variables

View Source 
var TransferFeeCalculatorGen = fees.FeeCalculatorGenerator(func(params param.FeeParam) fees.FeeCalculator {
	transferFeeParam, ok := params.(*param.TransferFeeParam)
	if !ok {
		panic("Generator received unexpected param type")
	}

	return fees.FeeCalculator(func(msg types.Msg) types.Fee {
		transferMsg, ok := msg.(MsgSend)
		if !ok {
			panic("unexpected msg for TransferFeeCalculator")
		}

		totalFee := transferFeeParam.Fee
		var inputNum int64 = 0
		for _, input := range transferMsg.Inputs {
			inputNum += int64(len(input.Coins))
		}
		var outputNum int64 = 0
		for _, output := range transferMsg.Outputs {
			outputNum += int64(len(output.Coins))
		}
		num := common.MaxInt64(inputNum, outputNum)
		if num >= transferFeeParam.LowerLimitAsMulti {
			if num > types.TokenMaxTotalSupply/transferFeeParam.MultiTransferFee {
				totalFee = types.TokenMaxTotalSupply
			} else {
				totalFee = transferFeeParam.MultiTransferFee * num
			}
		}
		return types.NewFee(types.Coins{types.NewCoin(types.NativeTokenSymbol, totalFee)}, transferFeeParam.FeeFor)
	})
})

Functions

func CheckAndValidateMiniTokenCoins 

func CheckAndValidateMiniTokenCoins(ctx sdk.Context, am auth.AccountKeeper, addr sdk.AccAddress, coins sdk.Coins) sdk.Error

func ErrInvalidInput 

func ErrInvalidInput(codespace sdk.CodespaceType, msg string) sdk.Error

func ErrInvalidOutput 

func ErrInvalidOutput(codespace sdk.CodespaceType, msg string) sdk.Error

func ErrNoInputs 

func ErrNoInputs(codespace sdk.CodespaceType) sdk.Error

func ErrNoOutputs 

func ErrNoOutputs(codespace sdk.CodespaceType) sdk.Error

func NewHandler 

func NewHandler(k Keeper) sdk.Handler

NewHandler returns a handler for "bank" type messages.

func RegisterCodec 

func RegisterCodec(cdc *codec.Codec)

Register concrete types on codec codec

Types

type BaseKeeper 

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

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

func NewBaseKeeper 

func NewBaseKeeper(am auth.AccountKeeper) BaseKeeper

NewBaseKeeper returns a new BaseKeeper

func (BaseKeeper) AddCoins 

func (keeper BaseKeeper) AddCoins(
	ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins,
) (sdk.Coins, sdk.Tags, sdk.Error)

AddCoins adds amt to the coins at the addr.

func (BaseKeeper) GetAccountKeeper 

func (keeper BaseKeeper) GetAccountKeeper() auth.AccountKeeper

func (BaseKeeper) GetCoins 

func (keeper BaseKeeper) GetCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

GetCoins returns the coins at the addr.

func (BaseKeeper) HasCoins 

func (keeper BaseKeeper) HasCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) bool

HasCoins returns whether or not an account has at least amt coins.

func (BaseKeeper) InputOutputCoins 

func (keeper BaseKeeper) InputOutputCoins(ctx sdk.Context, inputs []Input, outputs []Output) (sdk.Tags, sdk.Error)

InputOutputCoins handles a list of inputs and outputs

func (BaseKeeper) SendCoins 

func (keeper BaseKeeper) SendCoins(
	ctx sdk.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins,
) (sdk.Tags, sdk.Error)

SendCoins moves coins from one account to another

func (BaseKeeper) SetCoins 

func (keeper BaseKeeper) SetCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) sdk.Error

SetCoins sets the coins at the addr.

func (BaseKeeper) SubtractCoins 

func (keeper BaseKeeper) SubtractCoins(
	ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins,
) (sdk.Coins, sdk.Tags, sdk.Error)

SubtractCoins subtracts amt from the coins at the addr.

type BaseSendKeeper 

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

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

func NewBaseSendKeeper 

func NewBaseSendKeeper(am auth.AccountKeeper) BaseSendKeeper

NewBaseSendKeeper returns a new BaseSendKeeper.

func (BaseSendKeeper) GetCoins 

func (keeper BaseSendKeeper) GetCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

GetCoins returns the coins at the addr.

func (BaseSendKeeper) HasCoins 

func (keeper BaseSendKeeper) HasCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) bool

HasCoins returns whether or not an account has at least amt coins.

func (BaseSendKeeper) InputOutputCoins 

func (keeper BaseSendKeeper) InputOutputCoins(
	ctx sdk.Context, inputs []Input, outputs []Output,
) (sdk.Tags, sdk.Error)

InputOutputCoins handles a list of inputs and outputs

func (BaseSendKeeper) SendCoins 

func (keeper BaseSendKeeper) SendCoins(
	ctx sdk.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins,
) (sdk.Tags, sdk.Error)

SendCoins moves coins from one account to another

type BaseViewKeeper 

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

BaseViewKeeper implements a read only keeper implementation of ViewKeeper.

func NewBaseViewKeeper 

func NewBaseViewKeeper(am auth.AccountKeeper) BaseViewKeeper

NewBaseViewKeeper returns a new BaseViewKeeper.

func (BaseViewKeeper) GetCoins 

func (keeper BaseViewKeeper) GetCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins

GetCoins returns the coins at the addr.

func (BaseViewKeeper) HasCoins 

func (keeper BaseViewKeeper) HasCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) bool

HasCoins returns whether or not an account has at least amt coins.

type Input 

type Input struct {
	Address sdk.AccAddress `json:"address"`
	Coins   sdk.Coins      `json:"coins"`
}

Transaction Input

func NewInput 

func NewInput(addr sdk.AccAddress, coins sdk.Coins) Input

NewInput - create a transaction input, used with MsgSend

func (Input) ValidateBasic 

func (in Input) ValidateBasic() sdk.Error

ValidateBasic - validate transaction input

type Keeper 

type Keeper interface {
	SendKeeper
	SetCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) sdk.Error
	SubtractCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) (sdk.Coins, sdk.Tags, sdk.Error)
	AddCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) (sdk.Coins, sdk.Tags, sdk.Error)
	GetAccountKeeper() auth.AccountKeeper
}

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

type MsgSend 

type MsgSend struct {
	Inputs  []Input  `json:"inputs"`
	Outputs []Output `json:"outputs"`
}

MsgSend - high level transaction of the coin module

func NewMsgSend 

func NewMsgSend(in []Input, out []Output) MsgSend

NewMsgSend - construct arbitrary multi-in, multi-out send msg.

func (MsgSend) GetInvolvedAddresses 

func (msg MsgSend) GetInvolvedAddresses() []sdk.AccAddress

func (MsgSend) GetSignBytes 

func (msg MsgSend) GetSignBytes() []byte

Implements Msg.

func (MsgSend) GetSigners 

func (msg MsgSend) GetSigners() []sdk.AccAddress

Implements Msg.

func (MsgSend) Route 

func (msg MsgSend) Route() string

Implements Msg. nolint

func (MsgSend) Type 

func (msg MsgSend) Type() string

func (MsgSend) ValidateBasic 

func (msg MsgSend) ValidateBasic() sdk.Error

Implements Msg.

type Output 

type Output struct {
	Address sdk.AccAddress `json:"address"`
	Coins   sdk.Coins      `json:"coins"`
}

Transaction Output

func NewOutput 

func NewOutput(addr sdk.AccAddress, coins sdk.Coins) Output

NewOutput - create a transaction output, used with MsgSend

func (Output) ValidateBasic 

func (out Output) ValidateBasic() sdk.Error

ValidateBasic - validate transaction output

type SendKeeper 

type SendKeeper interface {
	ViewKeeper
	SendCoins(ctx sdk.Context, fromAddr sdk.AccAddress, toAddr sdk.AccAddress, amt sdk.Coins) (sdk.Tags, sdk.Error)
	InputOutputCoins(ctx sdk.Context, inputs []Input, outputs []Output) (sdk.Tags, sdk.Error)
}

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

type ViewKeeper 

type ViewKeeper interface {
	GetCoins(ctx sdk.Context, addr sdk.AccAddress) sdk.Coins
	HasCoins(ctx sdk.Context, addr sdk.AccAddress, amt sdk.Coins) bool
}

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

Source Files

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Directories

Path Synopsis
cli
rest

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