151 lines
4.3 KiB
Go
151 lines
4.3 KiB
Go
package types
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import (
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/params"
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"github.com/cerc-io/laconicd/types"
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sdk "github.com/cosmos/cosmos-sdk/types"
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paramtypes "github.com/cosmos/cosmos-sdk/x/params/types"
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"github.com/ethereum/go-ethereum/core/vm"
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)
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var _ paramtypes.ParamSet = &Params{}
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var (
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// DefaultEVMDenom defines the default EVM denomination on Ethermint
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DefaultEVMDenom = types.AttoPhoton
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// DefaultMinGasMultiplier is 0.5 or 50%
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DefaultMinGasMultiplier = sdk.NewDecWithPrec(50, 2)
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// DefaultAllowUnprotectedTxs rejects all unprotected txs (i.e false)
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DefaultAllowUnprotectedTxs = false
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)
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// Parameter keys
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var (
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ParamStoreKeyEVMDenom = []byte("EVMDenom")
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ParamStoreKeyEnableCreate = []byte("EnableCreate")
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ParamStoreKeyEnableCall = []byte("EnableCall")
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ParamStoreKeyExtraEIPs = []byte("EnableExtraEIPs")
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ParamStoreKeyChainConfig = []byte("ChainConfig")
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ParamStoreKeyAllowUnprotectedTxs = []byte("AllowUnprotectedTxs")
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// AvailableExtraEIPs define the list of all EIPs that can be enabled by the
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// EVM interpreter. These EIPs are applied in order and can override the
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// instruction sets from the latest hard fork enabled by the ChainConfig. For
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// more info check:
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// https://github.com/ethereum/go-ethereum/blob/master/core/vm/interpreter.go#L97
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AvailableExtraEIPs = []int64{1344, 1884, 2200, 2929, 3198, 3529}
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)
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// ParamKeyTable returns the parameter key table.
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func ParamKeyTable() paramtypes.KeyTable {
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return paramtypes.NewKeyTable().RegisterParamSet(&Params{})
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}
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// NewParams creates a new Params instance
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func NewParams(evmDenom string, enableCreate, enableCall bool, config ChainConfig, extraEIPs ...int64) Params {
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return Params{
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EvmDenom: evmDenom,
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EnableCreate: enableCreate,
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EnableCall: enableCall,
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ExtraEIPs: extraEIPs,
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ChainConfig: config,
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}
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}
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// DefaultParams returns default evm parameters
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// ExtraEIPs is empty to prevent overriding the latest hard fork instruction set
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func DefaultParams() Params {
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return Params{
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EvmDenom: DefaultEVMDenom,
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EnableCreate: true,
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EnableCall: true,
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ChainConfig: DefaultChainConfig(),
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ExtraEIPs: nil,
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AllowUnprotectedTxs: DefaultAllowUnprotectedTxs,
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}
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}
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// ParamSetPairs returns the parameter set pairs.
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func (p *Params) ParamSetPairs() paramtypes.ParamSetPairs {
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return paramtypes.ParamSetPairs{
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paramtypes.NewParamSetPair(ParamStoreKeyEVMDenom, &p.EvmDenom, validateEVMDenom),
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paramtypes.NewParamSetPair(ParamStoreKeyEnableCreate, &p.EnableCreate, validateBool),
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paramtypes.NewParamSetPair(ParamStoreKeyEnableCall, &p.EnableCall, validateBool),
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paramtypes.NewParamSetPair(ParamStoreKeyExtraEIPs, &p.ExtraEIPs, validateEIPs),
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paramtypes.NewParamSetPair(ParamStoreKeyChainConfig, &p.ChainConfig, validateChainConfig),
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paramtypes.NewParamSetPair(ParamStoreKeyAllowUnprotectedTxs, &p.AllowUnprotectedTxs, validateBool),
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}
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}
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// Validate performs basic validation on evm parameters.
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func (p Params) Validate() error {
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if err := sdk.ValidateDenom(p.EvmDenom); err != nil {
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return err
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}
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if err := validateEIPs(p.ExtraEIPs); err != nil {
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return err
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}
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return p.ChainConfig.Validate()
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}
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// EIPs returns the ExtraEips as a int slice
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func (p Params) EIPs() []int {
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eips := make([]int, len(p.ExtraEIPs))
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for i, eip := range p.ExtraEIPs {
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eips[i] = int(eip)
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}
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return eips
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}
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func validateEVMDenom(i interface{}) error {
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denom, ok := i.(string)
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if !ok {
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return fmt.Errorf("invalid parameter EVM denom type: %T", i)
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}
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return sdk.ValidateDenom(denom)
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}
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func validateBool(i interface{}) error {
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_, ok := i.(bool)
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if !ok {
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return fmt.Errorf("invalid parameter type: %T", i)
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}
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return nil
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}
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func validateEIPs(i interface{}) error {
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eips, ok := i.([]int64)
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if !ok {
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return fmt.Errorf("invalid EIP slice type: %T", i)
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}
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for _, eip := range eips {
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if !vm.ValidEip(int(eip)) {
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return fmt.Errorf("EIP %d is not activateable, valid EIPS are: %s", eip, vm.ActivateableEips())
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}
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}
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return nil
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}
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func validateChainConfig(i interface{}) error {
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cfg, ok := i.(ChainConfig)
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if !ok {
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return fmt.Errorf("invalid chain config type: %T", i)
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}
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return cfg.Validate()
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}
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// IsLondon returns if london hardfork is enabled.
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func IsLondon(ethConfig *params.ChainConfig, height int64) bool {
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return ethConfig.IsLondon(big.NewInt(height))
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}
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