Documentation
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Overview ¶
Package ante defines the SDK auth module's AnteHandler as well as an internal AnteHandler for an Ethereum transaction (i.e MsgEthereumTx).
During CheckTx, the transaction is passed through a series of pre-message execution validation checks such as signature and account verification in addition to minimum fees being checked. Otherwise, during DeliverTx, the transaction is simply passed to the EVM which will also perform the same series of checks. The distinction is made in CheckTx to prevent spam and DoS attacks.
Index ¶
Constants ¶
This section is empty.
Variables ¶
This section is empty.
Functions ¶
func NewAnteHandler ¶
func NewAnteHandler(options HandlerOptions) sdk.AnteHandler
NewAnteHandler returns an ante handler responsible for attempting to route an Ethereum or SDK transaction to an internal ante handler for performing transaction-level processing (e.g. fee payment, signature verification) before being passed onto it's respective handler.
Types ¶
type EthVestingTransactionDecorator ¶
type EthVestingTransactionDecorator struct {
// contains filtered or unexported fields
}
EthVestingTransactionDecorator validates if clawback vesting accounts are permitted to perform Ethereum Tx.
func NewEthVestingTransactionDecorator ¶
func NewEthVestingTransactionDecorator(ak evmtypes.AccountKeeper) EthVestingTransactionDecorator
func (EthVestingTransactionDecorator) AnteHandle ¶
func (vtd EthVestingTransactionDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error)
AnteHandle validates that a clawback vesting account has surpassed the vesting cliff and lockup period.
This AnteHandler decorator will fail if:
- the message is not a MsgEthereumTx
- sender account cannot be found
- sender account is not a ClawbackvestingAccount
- blocktime is before surpassing vesting cliff end (with zero vested coins) AND
- blocktime is before surpassing all lockup periods (with non-zero locked coins)
type EvmKeeper ¶
type EvmKeeper interface {
GetParams(ctx sdk.Context) (params evmtypes.Params)
ChainID() *big.Int
GetBaseFee(ctx sdk.Context, ethCfg *params.ChainConfig) *big.Int
}
EvmKeeper defines the expected keeper interface used on the AnteHandler
type HandlerOptions ¶
type HandlerOptions struct {
AccountKeeper evmtypes.AccountKeeper
BankKeeper evmtypes.BankKeeper
IBCKeeper *ibckeeper.Keeper
FeeMarketKeeper evmtypes.FeeMarketKeeper
StakingKeeper vestingtypes.StakingKeeper
EvmKeeper ethante.EVMKeeper
FeegrantKeeper ante.FeegrantKeeper
SignModeHandler authsigning.SignModeHandler
SigGasConsumer func(meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params) error
Cdc codec.BinaryCodec
MaxTxGasWanted uint64
}
HandlerOptions defines the list of module keepers required to run the Evmos AnteHandler decorators.
func (HandlerOptions) Validate ¶
func (options HandlerOptions) Validate() error
Validate checks if the keepers are defined
type ValidatorCommissionDecorator ¶
type ValidatorCommissionDecorator struct {
// contains filtered or unexported fields
}
ValidatorCommissionDecorator validates that the validator commission is always greater or equal than the min commission rate
func NewValidatorCommissionDecorator ¶
func NewValidatorCommissionDecorator(cdc codec.BinaryCodec) ValidatorCommissionDecorator
NewValidatorCommissionDecorator creates a new NewValidatorCommissionDecorator
func (ValidatorCommissionDecorator) AnteHandle ¶
func (vcd ValidatorCommissionDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error)
AnteHandle checks if the tx contains a staking create validator or edit validator. It errors if the the commission rate is below the min threshold.
type VestingDelegationDecorator ¶
type VestingDelegationDecorator struct {
// contains filtered or unexported fields
}
VestingDelegationDecorator validates delegation of vested coins
func NewVestingDelegationDecorator ¶
func NewVestingDelegationDecorator(ak evmtypes.AccountKeeper, sk vestingtypes.StakingKeeper, cdc codec.BinaryCodec) VestingDelegationDecorator
NewVestingDelegationDecorator creates a new VestingDelegationDecorator
func (VestingDelegationDecorator) AnteHandle ¶
func (vdd VestingDelegationDecorator) AnteHandle(ctx sdk.Context, tx sdk.Tx, simulate bool, next sdk.AnteHandler) (newCtx sdk.Context, err error)
AnteHandle checks if the tx contains a staking delegation. It errors if the coins are still locked or the bond amount is greater than the coins already vested
Source Files