76 lines
2.6 KiB
Go
76 lines
2.6 KiB
Go
// Copyright 2021 Evmos Foundation
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// This file is part of Evmos' Ethermint library.
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//
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// The Ethermint library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The Ethermint library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the Ethermint library. If not, see https://github.com/evmos/ethermint/blob/main/LICENSE
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package keeper
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import (
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"math/big"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/evmos/ethermint/x/feemarket/types"
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)
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// GetParams returns the total set of fee market parameters.
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func (k Keeper) GetParams(ctx sdk.Context) (params types.Params) {
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// TODO: update once https://github.com/cosmos/cosmos-sdk/pull/12615 is merged
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// and released
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for _, pair := range params.ParamSetPairs() {
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k.paramSpace.GetIfExists(ctx, pair.Key, pair.Value)
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}
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return params
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}
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// SetParams sets the fee market parameters to the param space.
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func (k Keeper) SetParams(ctx sdk.Context, params types.Params) {
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k.paramSpace.SetParamSet(ctx, ¶ms)
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}
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// ----------------------------------------------------------------------------
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// Parent Base Fee
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// Required by EIP1559 base fee calculation.
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// ----------------------------------------------------------------------------
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// GetBaseFeeEnabled returns true if base fee is enabled
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func (k Keeper) GetBaseFeeEnabled(ctx sdk.Context) bool {
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var noBaseFee bool
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var enableHeight int64
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k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyNoBaseFee, &noBaseFee)
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k.paramSpace.GetIfExists(ctx, types.ParamStoreKeyEnableHeight, &enableHeight)
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return !noBaseFee && ctx.BlockHeight() >= enableHeight
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}
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// GetBaseFee get's the base fee from the paramSpace
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// return nil if base fee is not enabled
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func (k Keeper) GetBaseFee(ctx sdk.Context) *big.Int {
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params := k.GetParams(ctx)
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if params.NoBaseFee {
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return nil
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}
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baseFee := params.BaseFee.BigInt()
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if baseFee == nil || baseFee.Sign() == 0 {
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// try v1 format
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return k.GetBaseFeeV1(ctx)
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}
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return baseFee
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}
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// SetBaseFee set's the base fee in the paramSpace
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func (k Keeper) SetBaseFee(ctx sdk.Context, baseFee *big.Int) {
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k.paramSpace.Set(ctx, types.ParamStoreKeyBaseFee, sdkmath.NewIntFromBigInt(baseFee))
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}
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