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abci.go
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abci.go
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// Copyright 2022 Evmos Foundation
// This file is part of the Evmos Network packages.
//
// Evmos 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 Evmos packages are 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 Evmos packages. If not, see https://github.com/evmos/evmos/blob/main/LICENSE
package testutil
import (
"time"
errorsmod "cosmossdk.io/errors"
sdkmath "cosmossdk.io/math"
cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
sdk "github.com/cosmos/cosmos-sdk/types"
errortypes "github.com/cosmos/cosmos-sdk/types/errors"
abci "github.com/tendermint/tendermint/abci/types"
tmtypes "github.com/tendermint/tendermint/types"
"github.com/celinium-network/celinium/app"
"github.com/celinium-network/celinium/testutil/tx"
)
// Commit commits a block at a given time. Reminder: At the end of each
// Tendermint Consensus round the following methods are run
// 1. BeginBlock
// 2. DeliverTx
// 3. EndBlock
// 4. Commit
func Commit(ctx sdk.Context, app *app.App, t time.Duration, vs *tmtypes.ValidatorSet) (sdk.Context, error) {
header := ctx.BlockHeader()
if vs != nil {
res := app.EndBlock(abci.RequestEndBlock{Height: header.Height})
nextVals, err := applyValSetChanges(vs, res.ValidatorUpdates)
if err != nil {
return ctx, err
}
header.ValidatorsHash = vs.Hash()
header.NextValidatorsHash = nextVals.Hash()
} else {
app.EndBlocker(ctx, abci.RequestEndBlock{Height: header.Height})
}
_ = app.Commit()
header.Height++
header.Time = header.Time.Add(t)
header.AppHash = app.LastCommitID().Hash
app.BeginBlock(abci.RequestBeginBlock{
Header: header,
})
return app.BaseApp.NewContext(false, header), nil
}
// DeliverTx delivers a cosmos tx for a given set of msgs
func DeliverTx(
ctx sdk.Context,
appEvmos *app.App,
priv cryptotypes.PrivKey,
gasPrice *sdkmath.Int,
msgs ...sdk.Msg,
) (abci.ResponseDeliverTx, error) {
txConfig := app.MakeEncodingConfig().TxConfig
tx, err := tx.PrepareCosmosTx(
ctx,
appEvmos,
tx.CosmosTxArgs{
TxCfg: txConfig,
Priv: priv,
ChainID: ctx.ChainID(),
Gas: 10_000_000,
GasPrice: gasPrice,
Msgs: msgs,
},
)
if err != nil {
return abci.ResponseDeliverTx{}, err
}
return BroadcastTxBytes(appEvmos, txConfig.TxEncoder(), tx)
}
// CheckTx checks a cosmos tx for a given set of msgs
func CheckTx(
ctx sdk.Context,
runingApp *app.App,
priv cryptotypes.PrivKey,
gasPrice *sdkmath.Int,
msgs ...sdk.Msg,
) (abci.ResponseCheckTx, error) {
txConfig := app.MakeEncodingConfig().TxConfig
tx, err := tx.PrepareCosmosTx(
ctx,
runingApp,
tx.CosmosTxArgs{
TxCfg: txConfig,
Priv: priv,
ChainID: ctx.ChainID(),
GasPrice: gasPrice,
Gas: 10_000_000,
Msgs: msgs,
},
)
if err != nil {
return abci.ResponseCheckTx{}, err
}
return checkTxBytes(runingApp, txConfig.TxEncoder(), tx)
}
// BroadcastTxBytes encodes a transaction and calls DeliverTx on the app.
func BroadcastTxBytes(app *app.App, txEncoder sdk.TxEncoder, tx sdk.Tx) (abci.ResponseDeliverTx, error) {
// bz are bytes to be broadcasted over the network
bz, err := txEncoder(tx)
if err != nil {
return abci.ResponseDeliverTx{}, err
}
req := abci.RequestDeliverTx{Tx: bz}
res := app.BaseApp.DeliverTx(req)
if res.Code != 0 {
return abci.ResponseDeliverTx{}, errorsmod.Wrapf(errortypes.ErrInvalidRequest, res.Log)
}
return res, nil
}
// checkTxBytes encodes a transaction and calls checkTx on the app.
func checkTxBytes(app *app.App, txEncoder sdk.TxEncoder, tx sdk.Tx) (abci.ResponseCheckTx, error) {
bz, err := txEncoder(tx)
if err != nil {
return abci.ResponseCheckTx{}, err
}
req := abci.RequestCheckTx{Tx: bz}
res := app.BaseApp.CheckTx(req)
if res.Code != 0 {
return abci.ResponseCheckTx{}, errorsmod.Wrapf(errortypes.ErrInvalidRequest, res.Log)
}
return res, nil
}
// applyValSetChanges takes in tmtypes.ValidatorSet and []abci.ValidatorUpdate and will return a new tmtypes.ValidatorSet which has the
// provided validator updates applied to the provided validator set.
func applyValSetChanges(valSet *tmtypes.ValidatorSet, valUpdates []abci.ValidatorUpdate) (*tmtypes.ValidatorSet, error) {
updates, err := tmtypes.PB2TM.ValidatorUpdates(valUpdates)
if err != nil {
return nil, err
}
// must copy since validator set will mutate with UpdateWithChangeSet
newVals := valSet.Copy()
err = newVals.UpdateWithChangeSet(updates)
if err != nil {
return nil, err
}
return newVals, nil
}