laconicd/app/export.go

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package app
import (
"encoding/json"
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"fmt"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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servertypes "github.com/cosmos/cosmos-sdk/server/types"
"github.com/cosmos/cosmos-sdk/simapp"
sdk "github.com/cosmos/cosmos-sdk/types"
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slashingtypes "github.com/cosmos/cosmos-sdk/x/slashing/types"
"github.com/cosmos/cosmos-sdk/x/staking"
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stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
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"github.com/cerc-io/laconicd/encoding"
)
// NewDefaultGenesisState generates the default state for the application.
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func NewDefaultGenesisState() simapp.GenesisState {
encCfg := encoding.MakeConfig(ModuleBasics)
return ModuleBasics.DefaultGenesis(encCfg.Codec)
}
// ExportAppStateAndValidators exports the state of the application for a genesis
// file.
func (app *EthermintApp) ExportAppStateAndValidators(
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forZeroHeight bool, jailAllowedAddrs []string,
) (servertypes.ExportedApp, error) {
// Creates context with current height and checks txs for ctx to be usable by start of next block
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ctx := app.NewContext(true, tmproto.Header{Height: app.LastBlockHeight()})
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// We export at last height + 1, because that's the height at which
// Tendermint will start InitChain.
height := app.LastBlockHeight() + 1
if forZeroHeight {
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height = 0
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if err := app.prepForZeroHeightGenesis(ctx, jailAllowedAddrs); err != nil {
return servertypes.ExportedApp{}, err
}
}
genState := app.mm.ExportGenesis(ctx, app.appCodec)
appState, err := json.MarshalIndent(genState, "", " ")
if err != nil {
return servertypes.ExportedApp{}, err
}
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validators, err := staking.WriteValidators(ctx, app.StakingKeeper)
if err != nil {
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return servertypes.ExportedApp{}, err
}
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return servertypes.ExportedApp{
AppState: appState,
Validators: validators,
Height: height,
ConsensusParams: app.BaseApp.GetConsensusParams(ctx),
}, nil
}
// prepare for fresh start at zero height
// NOTE zero height genesis is a temporary feature which will be deprecated
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// in favor of export at a block height
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func (app *EthermintApp) prepForZeroHeightGenesis(ctx sdk.Context, jailAllowedAddrs []string) error {
applyAllowedAddrs := false
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// check if there is a allowed address list
if len(jailAllowedAddrs) > 0 {
applyAllowedAddrs = true
}
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allowedAddrsMap := make(map[string]bool)
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for _, addr := range jailAllowedAddrs {
_, err := sdk.ValAddressFromBech32(addr)
if err != nil {
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return err
}
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allowedAddrsMap[addr] = true
}
/* Just to be safe, assert the invariants on current state. */
app.CrisisKeeper.AssertInvariants(ctx)
/* Handle fee distribution state. */
// withdraw all validator commission
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app.StakingKeeper.IterateValidators(ctx, func(_ int64, val stakingtypes.ValidatorI) (stop bool) {
_, _ = app.DistrKeeper.WithdrawValidatorCommission(ctx, val.GetOperator())
return false
})
// withdraw all delegator rewards
dels := app.StakingKeeper.GetAllDelegations(ctx)
for _, delegation := range dels {
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valAddr, err := sdk.ValAddressFromBech32(delegation.ValidatorAddress)
if err != nil {
return err
}
delAddr, err := sdk.AccAddressFromBech32(delegation.DelegatorAddress)
if err != nil {
return err
}
_, _ = app.DistrKeeper.WithdrawDelegationRewards(ctx, delAddr, valAddr)
}
// clear validator slash events
app.DistrKeeper.DeleteAllValidatorSlashEvents(ctx)
// clear validator historical rewards
app.DistrKeeper.DeleteAllValidatorHistoricalRewards(ctx)
// set context height to zero
height := ctx.BlockHeight()
ctx = ctx.WithBlockHeight(0)
// reinitialize all validators
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app.StakingKeeper.IterateValidators(ctx, func(_ int64, val stakingtypes.ValidatorI) (stop bool) {
// donate any unwithdrawn outstanding reward fraction tokens to the community pool
bump Cosmos SDK version to v0.38.2 (#183) * evm: move Keeper and Querier to /keeper package * keeper: update keeper_test.go * fix format * evm: use aliased types * bump SDK version to v0.38.1 * app: updates from new version * errors: switch sdk.Error -> error * errors: switch sdk.Error -> error. Continuation * more fixes * update app/ * update keys and client pkgs * build * fix tests * lint * minor changes * changelog * address @austinbell comments * Fix keyring usage in rpc API and CLI * fix keyring * break line * Misc cleanup (#188) * evm: move Begin and EndBlock to abci.go * evm: use expected keeper interfaces * app: use EthermintApp for integration and unit test setup * evm: remove count type; update codec * go mod verify * evm: rename msgs for consistency * evm: events * minor cleanup * lint * ante: update tests * changelog * nolint * evm: update statedb to create ethermint Account instead of BaseAccount * fix importer test * address @austinabell comments * update README * changelog * evm: update codec * fix event sender * store logs in keeper after transition (#210) * add some comments * begin log handler test * update TransitionCSDB to return ReturnData * use rlp for result data encode/decode * update tests * implement SetBlockLogs * implement GetBlockLogs * test log set/get * update keeper get/set logs to use hash as key * fix test * move logsKey to csdb * attempt to fix test * attempt to fix test * attempt to fix test * lint * lint * lint * save logs after handling msg * update k.Logs * cleanup * remove unused * fix issues * comment out handler test * address comments * lint * fix handler test * address comments * use amino * lint * address comments * merge * fix encoding bug * minor fix * rpc: error handling * rpc: simulate only returns gasConsumed * rpc: error ineffassign * go: bump version to 1.14 and SDK version to latest master * rpc: fix simulation return value * breaking changes from SDK * sdk: breaking changes; build * tests: fixes * minor fix * proto: ethermint types attempt * proto: define EthAccount proto type and extend sdk std.Codec * evm: fix panic on handler test * evm: minor state object changes * cleanup * tests: update test-importer * fix pubkey registration * lint * cleanup * more test checks for importer * minor change * codec fixes * rm init func * fix importer test build * fix marshaling for TxDecoder * use amino codec for evm * fix marshaling for SimulationResponse * use jsonpb for unmarshaling * fix method handler crashed * return err on VerifySig * switch stateObject balance to sdk.Int * fixes to codec and encoding * cleanup * set tmhash -> ethhash in state transition * add tmhash->ethereumhash to csdb.GetLogs * attempt to fix tests * update GetLogs to switch with Has * ante panic * diff changes * update SetLogs * evm/cli: use ethermint codec * use LengthPrefixed for encoding * add check for nil *big.Int * add balance to UpdateAccounts * fix previous balance * fix balance bug * prevent panic on make test-import Co-authored-by: austinabell <austinabell8@gmail.com> Co-authored-by: noot <36753753+noot@users.noreply.github.com> Co-authored-by: noot <elizabethjbinks@gmail.com>
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scraps := app.DistrKeeper.GetValidatorOutstandingRewardsCoins(ctx, val.GetOperator())
feePool := app.DistrKeeper.GetFeePool(ctx)
bump Cosmos SDK version to v0.38.2 (#183) * evm: move Keeper and Querier to /keeper package * keeper: update keeper_test.go * fix format * evm: use aliased types * bump SDK version to v0.38.1 * app: updates from new version * errors: switch sdk.Error -> error * errors: switch sdk.Error -> error. Continuation * more fixes * update app/ * update keys and client pkgs * build * fix tests * lint * minor changes * changelog * address @austinbell comments * Fix keyring usage in rpc API and CLI * fix keyring * break line * Misc cleanup (#188) * evm: move Begin and EndBlock to abci.go * evm: use expected keeper interfaces * app: use EthermintApp for integration and unit test setup * evm: remove count type; update codec * go mod verify * evm: rename msgs for consistency * evm: events * minor cleanup * lint * ante: update tests * changelog * nolint * evm: update statedb to create ethermint Account instead of BaseAccount * fix importer test * address @austinabell comments * update README * changelog * evm: update codec * fix event sender * store logs in keeper after transition (#210) * add some comments * begin log handler test * update TransitionCSDB to return ReturnData * use rlp for result data encode/decode * update tests * implement SetBlockLogs * implement GetBlockLogs * test log set/get * update keeper get/set logs to use hash as key * fix test * move logsKey to csdb * attempt to fix test * attempt to fix test * attempt to fix test * lint * lint * lint * save logs after handling msg * update k.Logs * cleanup * remove unused * fix issues * comment out handler test * address comments * lint * fix handler test * address comments * use amino * lint * address comments * merge * fix encoding bug * minor fix * rpc: error handling * rpc: simulate only returns gasConsumed * rpc: error ineffassign * go: bump version to 1.14 and SDK version to latest master * rpc: fix simulation return value * breaking changes from SDK * sdk: breaking changes; build * tests: fixes * minor fix * proto: ethermint types attempt * proto: define EthAccount proto type and extend sdk std.Codec * evm: fix panic on handler test * evm: minor state object changes * cleanup * tests: update test-importer * fix pubkey registration * lint * cleanup * more test checks for importer * minor change * codec fixes * rm init func * fix importer test build * fix marshaling for TxDecoder * use amino codec for evm * fix marshaling for SimulationResponse * use jsonpb for unmarshaling * fix method handler crashed * return err on VerifySig * switch stateObject balance to sdk.Int * fixes to codec and encoding * cleanup * set tmhash -> ethhash in state transition * add tmhash->ethereumhash to csdb.GetLogs * attempt to fix tests * update GetLogs to switch with Has * ante panic * diff changes * update SetLogs * evm/cli: use ethermint codec * use LengthPrefixed for encoding * add check for nil *big.Int * add balance to UpdateAccounts * fix previous balance * fix balance bug * prevent panic on make test-import Co-authored-by: austinabell <austinabell8@gmail.com> Co-authored-by: noot <36753753+noot@users.noreply.github.com> Co-authored-by: noot <elizabethjbinks@gmail.com>
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feePool.CommunityPool = feePool.CommunityPool.Add(scraps...)
app.DistrKeeper.SetFeePool(ctx, feePool)
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if err := app.DistrKeeper.Hooks().AfterValidatorCreated(ctx, val.GetOperator()); err != nil {
return true
}
return false
})
// reinitialize all delegations
for _, del := range dels {
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valAddr, err := sdk.ValAddressFromBech32(del.ValidatorAddress)
if err != nil {
return err
}
delAddr, err := sdk.AccAddressFromBech32(del.DelegatorAddress)
if err != nil {
return err
}
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if err := app.DistrKeeper.Hooks().BeforeDelegationCreated(ctx, delAddr, valAddr); err != nil {
return err
}
if err := app.DistrKeeper.Hooks().AfterDelegationModified(ctx, delAddr, valAddr); err != nil {
return err
}
}
// reset context height
ctx = ctx.WithBlockHeight(height)
/* Handle staking state. */
// iterate through redelegations, reset creation height
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app.StakingKeeper.IterateRedelegations(ctx, func(_ int64, red stakingtypes.Redelegation) (stop bool) {
for i := range red.Entries {
red.Entries[i].CreationHeight = 0
}
app.StakingKeeper.SetRedelegation(ctx, red)
return false
})
// iterate through unbonding delegations, reset creation height
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app.StakingKeeper.IterateUnbondingDelegations(ctx, func(_ int64, ubd stakingtypes.UnbondingDelegation) (stop bool) {
for i := range ubd.Entries {
ubd.Entries[i].CreationHeight = 0
}
app.StakingKeeper.SetUnbondingDelegation(ctx, ubd)
return false
})
// Iterate through validators by power descending, reset bond heights, and
// update bond intra-tx counters.
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store := ctx.KVStore(app.keys[stakingtypes.StoreKey])
iter := sdk.KVStoreReversePrefixIterator(store, stakingtypes.ValidatorsKey)
for ; iter.Valid(); iter.Next() {
addr := sdk.ValAddress(stakingtypes.AddressFromValidatorsKey(iter.Key()))
validator, found := app.StakingKeeper.GetValidator(ctx, addr)
if !found {
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return fmt.Errorf("expected validator %s not found", addr)
}
validator.UnbondingHeight = 0
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if applyAllowedAddrs && !allowedAddrsMap[addr.String()] {
validator.Jailed = true
}
app.StakingKeeper.SetValidator(ctx, validator)
}
if err := iter.Close(); err != nil {
return err
}
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if _, err := app.StakingKeeper.ApplyAndReturnValidatorSetUpdates(ctx); err != nil {
return err
}
/* Handle slashing state. */
// reset start height on signing infos
app.SlashingKeeper.IterateValidatorSigningInfos(
ctx,
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func(addr sdk.ConsAddress, info slashingtypes.ValidatorSigningInfo) (stop bool) {
info.StartHeight = 0
app.SlashingKeeper.SetValidatorSigningInfo(ctx, addr, info)
return false
},
)
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return nil
}