keeper

package
v0.0.0-...-04cdd04 Latest Latest
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 Go to latest Published: Jan 13, 2025 License: Apache-2.0 Imports: 34 Imported by: 4

Documentation

Index

Constants

View Source 
const (
	FeeFactorBase = 3
	FeeFactorExp  = 4
)

fee factor formula: (ln(len({name}))/ln{base})^{exp}

Variables

This section is empty.

Functions

func NewLegacyMsgServerImpl 

func NewLegacyMsgServerImpl(server v1.MsgServer, k Keeper) v1beta1.MsgServer

NewLegacyMsgServerImpl returns an implementation of the token MsgServer interface for the provided Keeper.

func NewLegacyQueryServer 

func NewLegacyQueryServer(server v1.QueryServer, cdc codec.Codec) v1beta1.QueryServer

NewLegacyQueryServer returns an implementation of the token QueryServer interface for the provided Keeper.

func NewMsgServerImpl 

func NewMsgServerImpl(keeper Keeper) v1.MsgServer

NewMsgServerImpl returns an implementation of the token MsgServer interface for the provided Keeper.

func ProvideMockEVM 

func ProvideMockEVM() tokentypes.EVMKeeper

ProvideMockEVM returns an instance of tokentypes.EVMKeeper.

No parameters. Returns a tokentypes.EVMKeeper.

func ProvideMockICS20 

func ProvideMockICS20() tokentypes.ICS20Keeper

ProvideMockICS20 returns an instance of tokentypes.ICS20Keeper.

No parameters. Returns a tokentypes.ICS20Keeper.

Types

type Keeper 

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

Keeper of the token store

func NewKeeper 

func NewKeeper(
	cdc codec.Codec,
	key storetypes.StoreKey,
	bankKeeper types.BankKeeper,
	accountKeeper types.AccountKeeper,
	evmKeeper types.EVMKeeper,
	ics20Keeper types.ICS20Keeper,
	feeCollectorName string,
	authority string,
) Keeper

NewKeeper creates a new instance of Keeper.

Parameters: 

cdc: codec to marshal/unmarshal binary encoding/decoding.
key: store key for the module's store.
bankKeeper: bank Keeper module for interacting with accounts.
accountKeeper: Account Keeper for interacting with accounts.
evmKeeper: EVM Keeper module for interacting with Ethereum Virtual Machine transactions.
ics20Keeper: ICS20 Keeper module for interacting with ICS20 transactions.
feeCollectorName: name of the fee collector.
authority: authority string.

Return type: Keeper.

func (Keeper) AddBurnCoin 

func (k Keeper) AddBurnCoin(ctx sdk.Context, coin sdk.Coin)

AddBurnCoin saves the total amount of the burned tokens

func (Keeper) AddToken 

func (k Keeper) AddToken(ctx sdk.Context, token v1.Token, saveDenomMetaData bool) error

AddToken saves a new token

func (Keeper) BalanceOf 

func (k Keeper) BalanceOf(
	ctx sdk.Context,
	contract, account common.Address,
) (*big.Int, error)

BalanceOf retrieves the balance of a specific account in the contract.

Parameters:

  • ctx: the sdk.Context for the function
  • contract: the address of the contract
  • account: the address of the account to retrieve the balance for

Returns:

  • *big.Int: the balance of the specified account

func (Keeper) Balances 

func (k Keeper) Balances(c context.Context, req *v1.QueryBalancesRequest) (*v1.QueryBalancesResponse, error)

Balances retrieves the balances of a given address for a specific token.

Parameters: - c: the context.Context object. - req: the v1.QueryBalancesRequest object containing the address and token denomination.

Returns: - *v1.QueryBalancesResponse: the response containing the balances of the address for the specified token. - error: an error if the request is empty, the address is invalid, or the token is not found.

func (Keeper) BurnERC20 

func (k Keeper) BurnERC20(
	ctx sdk.Context,
	contract, from common.Address,
	amount *big.Int,
) error

BurnERC20 burns a specific amount of ERC20 tokens from a given contract and address.

Parameters:

  • ctx: the context in which the transaction is executed
  • contract: the contract address of the ERC20 token
  • from: the address from which the tokens are burned
  • amount: the amount of tokens to burn

Returns an error.

func (Keeper) BurnToken 

func (k Keeper) BurnToken(
	ctx sdk.Context,
	coinBurnt sdk.Coin,
	owner sdk.AccAddress,
) error

BurnToken burns the specified amount of token

func (Keeper) CallEVM 

func (k Keeper) CallEVM(
	ctx sdk.Context,
	contractABI abi.ABI,
	from, to common.Address,
	commit bool,
	method string,
	args ...interface{},
) (*tokentypes.Result, error)

CallEVM calls the EVM with the provided contract ABI, sender and receiver addresses, method, and arguments.

Parameters:

  • ctx: the context in which the EVM call is executed
  • contractABI: the ABI of the contract
  • from: the sender address
  • to: the receiver address
  • commit: boolean indicating whether the EVM call should be committed
  • method: the name of the method to be called
  • args: the arguments to be passed to the method

Returns:

  • *types.Result: the result of the EVM call
  • error: an error if the EVM call encounters any issues

func (Keeper) CallEVMWithData 

func (k Keeper) CallEVMWithData(
	ctx sdk.Context,
	from common.Address,
	contract *common.Address,
	data []byte,
	commit bool,
) (*tokentypes.Result, error)

CallEVMWithData executes an Ethereum Virtual Machine (EVM) call with the provided data.

Parameters:

  • ctx: the context in which the EVM call is executed
  • from: the address initiating the EVM call
  • contract: the address of the smart contract
  • data: the data to be sent with the EVM call
  • commit: boolean indicating whether the EVM call should be committed

Returns:

  • *types.Result: the result of the EVM call
  • error: an error if the EVM call encounters any issues

func (Keeper) Codec 

func (k Keeper) Codec() codec.Codec

Codec returns a k.cdc.

func (Keeper) DeductIssueTokenFee 

func (k Keeper) DeductIssueTokenFee(ctx sdk.Context, owner sdk.AccAddress, symbol string) error

DeductIssueTokenFee performs fee handling for issuing token

func (Keeper) DeductMintTokenFee 

func (k Keeper) DeductMintTokenFee(ctx sdk.Context, owner sdk.AccAddress, symbol string) error

DeductMintTokenFee performs fee handling for minting token

func (Keeper) DeployERC20 

func (k Keeper) DeployERC20(
	ctx sdk.Context,
	name string,
	symbol string,
	minUnit string,
	scale uint8,
) (common.Address, error)

DeployERC20 deploys an ERC20 token contract.

Parameters:

  • ctx: the context
  • name: the name of the token
  • symbol: the symbol of the token
  • minUnit: the symbol of the minUnit
  • scale: the scale of the token

Returns:

  • Address: the contract address.
  • error: error if any.

func (Keeper) ERC20Enabled 

func (k Keeper) ERC20Enabled(ctx sdk.Context) bool

ERC20Enabled returns true if ERC20 is enabled

func (Keeper) EditToken 

func (k Keeper) EditToken(
	ctx sdk.Context,
	symbol string,
	name string,
	maxSupply uint64,
	mintable types.Bool,
	owner sdk.AccAddress,
) error

EditToken edits the specified token

func (Keeper) Fees 

func (k Keeper) Fees(c context.Context, req *v1.QueryFeesRequest) (*v1.QueryFeesResponse, error)

Fees retrieves the issue fee and mint fee for a specific token symbol.

Parameters: - c: Context object - req: QueryFeesRequest object containing the token symbol

Returns: - QueryFeesResponse object containing issue fee, mint fee, and token existence status - Error if any

func (Keeper) GetAllBurnCoin 

func (k Keeper) GetAllBurnCoin(ctx sdk.Context) []sdk.Coin

GetAllBurnCoin returns the total amount of all the burned tokens

func (Keeper) GetBurnCoin 

func (k Keeper) GetBurnCoin(ctx sdk.Context, minUint string) (sdk.Coin, error)

GetBurnCoin returns the total amount of the burned tokens

func (Keeper) GetOwner 

func (k Keeper) GetOwner(ctx sdk.Context, denom string) (sdk.AccAddress, error)

GetOwner returns the owner of the specified token

func (Keeper) GetParams 

func (k Keeper) GetParams(ctx sdk.Context) (params v1.Params)

GetParams sets the token module parameters.

func (Keeper) GetToken 

func (k Keeper) GetToken(ctx sdk.Context, denom string) (v1.TokenI, error)

GetToken returns the token of the specified symbol or min uint

func (Keeper) GetTokenIssueFee 

func (k Keeper) GetTokenIssueFee(ctx sdk.Context, symbol string) (sdk.Coin, error)

GetTokenIssueFee returns the token issuance fee

func (Keeper) GetTokenMintFee 

func (k Keeper) GetTokenMintFee(ctx sdk.Context, symbol string) (sdk.Coin, error)

GetTokenMintFee returns the token minting fee

func (Keeper) GetTokens 

func (k Keeper) GetTokens(ctx sdk.Context, owner sdk.AccAddress) (tokens []v1.TokenI)

GetTokens returns all existing tokens

func (Keeper) HasContract 

func (k Keeper) HasContract(ctx sdk.Context, contract string) bool

HasContract asserts a token exists by contract

func (Keeper) HasMinUint 

func (k Keeper) HasMinUint(ctx sdk.Context, minUint string) bool

HasMinUint asserts a token exists by minUint

func (Keeper) HasSymbol 

func (k Keeper) HasSymbol(ctx sdk.Context, symbol string) bool

HasSymbol asserts a token exists by symbol

func (Keeper) HasToken 

func (k Keeper) HasToken(ctx sdk.Context, denom string) bool

HasToken asserts a token exists

func (Keeper) Hooks 

func (k Keeper) Hooks() types.Hook

Hooks returns the keeper's Hooks struct.

func (Keeper) IssueToken 

func (k Keeper) IssueToken(
	ctx sdk.Context,
	symbol string,
	name string,
	minUnit string,
	scale uint32,
	initialSupply uint64,
	maxSupply uint64,
	mintable bool,
	owner sdk.AccAddress,
) error

IssueToken issues a new token

func (Keeper) Logger 

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

Logger returns a module-specific logger.

func (Keeper) MintERC20 

func (k Keeper) MintERC20(
	ctx sdk.Context,
	contract, to common.Address,
	amount *big.Int,
) error

MintERC20 mints ERC20 tokens to an account.

Parameters:

  • ctx: the sdk.Context for the function
  • contract: the address of the contract
  • to: the address of the receiver
  • amount: the amount to mint

Returns:

  • err : error if any

func (Keeper) MintToken 

func (k Keeper) MintToken(
	ctx sdk.Context,
	coinMinted sdk.Coin,
	recipient sdk.AccAddress,
	owner sdk.AccAddress,
) error

MintToken mints the specified amount of token to the specified recipient NOTE: empty owner means that the external caller is responsible to manage the token authority

func (Keeper) Params 

func (k Keeper) Params(c context.Context, req *v1.QueryParamsRequest) (*v1.QueryParamsResponse, error)

Params returns all the parameters in the token module.

Parameters: - c: Context object - req: QueryParamsRequest object

Returns: - QueryParamsResponse object containing token params - Error if any

func (Keeper) SetParams 

func (k Keeper) SetParams(ctx sdk.Context, params v1.Params) error

SetParams sets the token module parameters.

func (Keeper) SwapFeeToken 

func (k Keeper) SwapFeeToken(
	ctx sdk.Context,
	feePaid sdk.Coin,
	sender sdk.AccAddress,
	recipient sdk.AccAddress,
) (sdk.Coin, sdk.Coin, error)

SwapFeeToken swap the fee token

func (Keeper) SwapFromERC20 

func (k Keeper) SwapFromERC20(
	ctx sdk.Context,
	sender common.Address,
	receiver sdk.AccAddress,
	wantedAmount sdk.Coin,
) error

SwapFromERC20 executes a swap from an ERC20 token to its native counterpart

Parameters: 

ctx - the context in which the swap is executed
sender - the address of the sender
receiver - the address of the receiver
wantedAmount - the amount of the token to be swapped out

Return type: error

func (Keeper) SwapToERC20 

func (k Keeper) SwapToERC20(
	ctx sdk.Context,
	sender sdk.AccAddress,
	receiver common.Address,
	amount sdk.Coin,
) error

SwapToERC20 executes a swap from a native token to its ERC20 token counterpart

Parameters:

  • ctx: the context
  • sender: the sender of the amount
  • receiver: the receiver of the erc20 token
  • amount: the amount to be swapped

Returns:

  • error: error if any.

func (Keeper) Token 

func (k Keeper) Token(c context.Context, req *v1.QueryTokenRequest) (*v1.QueryTokenResponse, error)

Token queries a token by denomination.

Parameters: - c: Context object - req: QueryTokenRequest object

Returns: - QueryTokenResponse object containing token - Error if any

func (Keeper) Tokens 

func (k Keeper) Tokens(c context.Context, req *v1.QueryTokensRequest) (*v1.QueryTokensResponse, error)

Tokens queries a list of tokens based on the given request parameters.

Parameters: - c: Context object - req: QueryTokensRequest object

Returns: - QueryTokensResponse object containing all tokens own by the owner - Error if any

func (Keeper) TotalBurn 

func (k Keeper) TotalBurn(c context.Context, req *v1.QueryTotalBurnRequest) (*v1.QueryTotalBurnResponse, error)

TotalBurn return the all burn coin

Parameters: - c: Context object - req: QueryFeesRequest object

Returns: - QueryTotalBurnResponse object containing token params - Error if any

func (Keeper) TransferTokenOwner 

func (k Keeper) TransferTokenOwner(
	ctx sdk.Context,
	symbol string,
	srcOwner sdk.AccAddress,
	dstOwner sdk.AccAddress,
) error

TransferTokenOwner transfers the owner of the specified token to a new one

func (Keeper) UnsafeTransferTokenOwner 

func (k Keeper) UnsafeTransferTokenOwner(ctx sdk.Context, symbol string, to sdk.AccAddress) error

UnsafeTransferTokenOwner transfer the token owner without authorization NOTE: this method should be used with caution

func (Keeper) UpgradeERC20 

func (k Keeper) UpgradeERC20(
	ctx sdk.Context,
	implementation common.Address,
) error

UpgradeERC20 upgrades the ERC20 contract to a new implementation.

Parameters: - ctx: the SDK context. - implementation: the address of the new implementation contract.

Returns: - error: an error if the upgrade fails.

func (Keeper) WithSwapRegistry 

func (k Keeper) WithSwapRegistry(registry v1.SwapRegistry) Keeper

WithSwapRegistry sets the swap registry in the Keeper and returns the updated Keeper instance.

registry: The swap registry to set. Returns the updated Keeper instance.

type Migrator 

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

Migrator is a struct for handling in-place store migrations.

func NewMigrator 

func NewMigrator(k Keeper, legacySubspace types.Subspace) Migrator

NewMigrator returns a new Migrator.

func (Migrator) Migrate1to2 

func (m Migrator) Migrate1to2(ctx sdk.Context) error

Migrate1to2 migrates from version 1 to 2.

type ValidateTokenFeeDecorator 

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

func NewValidateTokenFeeDecorator 

func NewValidateTokenFeeDecorator(k Keeper, bk types.BankKeeper) ValidateTokenFeeDecorator

func (ValidateTokenFeeDecorator) AnteHandle 

func (dtf ValidateTokenFeeDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (sdk.Context, error)

AnteHandle returns an AnteHandler that checks if the balance of the fee payer is sufficient for token related fee

Source Files

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