116 lines
3.4 KiB
Go
116 lines
3.4 KiB
Go
package genutil
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import (
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"context"
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"encoding/json"
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"fmt"
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"strings"
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bankexported "cosmossdk.io/x/bank/exported"
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stakingtypes "cosmossdk.io/x/staking/types"
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"github.com/cosmos/cosmos-sdk/client"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/types/module"
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"github.com/cosmos/cosmos-sdk/x/genutil/types"
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)
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// SetGenTxsInAppGenesisState - sets the genesis transactions in the app genesis state
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func SetGenTxsInAppGenesisState(
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cdc codec.JSONCodec, txJSONEncoder sdk.TxEncoder, appGenesisState map[string]json.RawMessage, genTxs []sdk.Tx,
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) (map[string]json.RawMessage, error) {
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genesisState := types.GetGenesisStateFromAppState(cdc, appGenesisState)
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genTxsBz := make([]json.RawMessage, 0, len(genTxs))
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for _, genTx := range genTxs {
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txBz, err := txJSONEncoder(genTx)
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if err != nil {
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return appGenesisState, err
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}
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genTxsBz = append(genTxsBz, txBz)
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}
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genesisState.GenTxs = genTxsBz
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return types.SetGenesisStateInAppState(cdc, appGenesisState, genesisState), nil
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}
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// ValidateAccountInGenesis checks that the provided account has a sufficient
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// balance in the set of genesis accounts.
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func ValidateAccountInGenesis(
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appGenesisState map[string]json.RawMessage, genBalIterator types.GenesisBalancesIterator,
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addr string, coins sdk.Coins, cdc codec.JSONCodec,
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) error {
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var stakingData stakingtypes.GenesisState
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cdc.MustUnmarshalJSON(appGenesisState[stakingtypes.ModuleName], &stakingData)
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bondDenom := stakingData.Params.BondDenom
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var err error
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accountIsInGenesis := false
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genBalIterator.IterateGenesisBalances(cdc, appGenesisState,
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func(bal bankexported.GenesisBalance) (stop bool) {
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accAddress := bal.GetAddress()
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accCoins := bal.GetCoins()
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// ensure that account is in genesis
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if strings.EqualFold(accAddress, addr) {
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// ensure account contains enough funds of default bond denom
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if coins.AmountOf(bondDenom).GT(accCoins.AmountOf(bondDenom)) {
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err = fmt.Errorf(
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"account %s has a balance in genesis, but it only has %v%s available to stake, not %v%s",
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addr, accCoins.AmountOf(bondDenom), bondDenom, coins.AmountOf(bondDenom), bondDenom,
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)
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return true
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}
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accountIsInGenesis = true
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return true
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}
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return false
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},
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)
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if err != nil {
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return err
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}
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if !accountIsInGenesis {
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return fmt.Errorf("account %s does not have a balance in the genesis state", addr)
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}
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return nil
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}
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// DeliverGenTxs iterates over all genesis txs, decodes each into a Tx and
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// invokes the provided deliverTxfn with the decoded Tx. It returns the result
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// of the staking module's ApplyAndReturnValidatorSetUpdates.
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// NOTE: This isn't used in server/v2 applications.
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func DeliverGenTxs(
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ctx context.Context, genTxs []json.RawMessage,
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stakingKeeper types.StakingKeeper, deliverTx TxHandler,
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txEncodingConfig client.TxEncodingConfig,
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) ([]module.ValidatorUpdate, error) {
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for _, genTx := range genTxs {
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tx, err := txEncodingConfig.TxJSONDecoder()(genTx)
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if err != nil {
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return nil, fmt.Errorf("failed to decode GenTx '%s': %w", genTx, err)
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}
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bz, err := txEncodingConfig.TxEncoder()(tx)
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if err != nil {
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return nil, fmt.Errorf("failed to encode GenTx '%s': %w", genTx, err)
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}
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err = deliverTx.ExecuteGenesisTx(bz)
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if err != nil {
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return nil, fmt.Errorf("failed to execute DeliverTx for '%s': %w", genTx, err)
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}
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}
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return stakingKeeper.ApplyAndReturnValidatorSetUpdates(ctx)
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}
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