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genesis.go
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genesis.go
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// Copyright 2021 Evmos Foundation
// This file is part of Evmos' Ethermint library.
//
// The Ethermint library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The Ethermint library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
package types
import (
"fmt"
ethermint "github.com/evmos/ethermint/types"
)
// Validate performs a basic validation of a GenesisAccount fields.
func (ga GenesisAccount) Validate() error {
if err := ethermint.ValidateAddress(ga.Address); err != nil {
return err
}
return ga.Storage.Validate()
}
// DefaultGenesisState sets default evm genesis state with empty accounts and default params and
// chain config values.
func DefaultGenesisState() *GenesisState {
return &GenesisState{
Accounts: []GenesisAccount{},
Params: DefaultParams(),
}
}
// NewGenesisState creates a new genesis state.
func NewGenesisState(params Params, accounts []GenesisAccount) *GenesisState {
return &GenesisState{
Accounts: accounts,
Params: params,
}
}
// Validate performs basic genesis state validation returning an error upon any
// failure.
func (gs GenesisState) Validate() error {
seenAccounts := make(map[string]bool)
for _, acc := range gs.Accounts {
if seenAccounts[acc.Address] {
return fmt.Errorf("duplicated genesis account %s", acc.Address)
}
if err := acc.Validate(); err != nil {
return fmt.Errorf("invalid genesis account %s: %w", acc.Address, err)
}
seenAccounts[acc.Address] = true
}
return gs.Params.Validate()
}