124 lines
3.8 KiB
Go
124 lines
3.8 KiB
Go
package slashing
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import (
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"fmt"
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"time"
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sdk "github.com/cosmos/cosmos-sdk/types"
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)
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// GenesisState - all slashing state that must be provided at genesis
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type GenesisState struct {
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Params Params `json:"params"`
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SigningInfos map[string]ValidatorSigningInfo `json:"signing_infos"`
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MissedBlocks map[string][]MissedBlock `json:"missed_blocks"`
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}
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// MissedBlock
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type MissedBlock struct {
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Index int64 `json:"index"`
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Missed bool `json:"missed"`
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}
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// DefaultGenesisState - default GenesisState used by Cosmos Hub
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func DefaultGenesisState() GenesisState {
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return GenesisState{
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Params: DefaultParams(),
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SigningInfos: make(map[string]ValidatorSigningInfo),
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MissedBlocks: make(map[string][]MissedBlock),
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}
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}
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// ValidateGenesis validates the slashing genesis parameters
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func ValidateGenesis(data GenesisState) error {
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downtime := data.Params.SlashFractionDowntime
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if downtime.IsNegative() || downtime.GT(sdk.OneDec()) {
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return fmt.Errorf("Slashing fraction downtime should be less than or equal to one and greater than zero, is %s", downtime.String())
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}
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dblSign := data.Params.SlashFractionDoubleSign
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if dblSign.IsNegative() || dblSign.GT(sdk.OneDec()) {
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return fmt.Errorf("Slashing fraction double sign should be less than or equal to one and greater than zero, is %s", dblSign.String())
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}
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minSign := data.Params.MinSignedPerWindow
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if minSign.IsNegative() || minSign.GT(sdk.OneDec()) {
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return fmt.Errorf("Min signed per window should be less than or equal to one and greater than zero, is %s", minSign.String())
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}
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maxEvidence := data.Params.MaxEvidenceAge
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if maxEvidence < 1*time.Minute {
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return fmt.Errorf("Max evidence age must be at least 1 minute, is %s", maxEvidence.String())
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}
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downtimeJail := data.Params.DowntimeJailDuration
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if downtimeJail < 1*time.Minute {
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return fmt.Errorf("Downtime unblond duration must be at least 1 minute, is %s", downtimeJail.String())
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}
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signedWindow := data.Params.SignedBlocksWindow
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if signedWindow < 10 {
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return fmt.Errorf("Signed blocks window must be at least 10, is %d", signedWindow)
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}
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return nil
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}
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// InitGenesis initialize default parameters
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// and the keeper's address to pubkey map
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func InitGenesis(ctx sdk.Context, keeper Keeper, data GenesisState, validators []sdk.Validator) {
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for _, validator := range validators {
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keeper.addPubkey(ctx, validator.GetConsPubKey())
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}
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for addr, info := range data.SigningInfos {
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address, err := sdk.ConsAddressFromBech32(addr)
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if err != nil {
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panic(err)
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}
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keeper.SetValidatorSigningInfo(ctx, address, info)
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}
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for addr, array := range data.MissedBlocks {
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address, err := sdk.ConsAddressFromBech32(addr)
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if err != nil {
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panic(err)
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}
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for _, missed := range array {
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keeper.setValidatorMissedBlockBitArray(ctx, address, missed.Index, missed.Missed)
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}
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}
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keeper.paramspace.SetParamSet(ctx, &data.Params)
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}
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// ExportGenesis writes the current store values
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// to a genesis file, which can be imported again
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// with InitGenesis
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func ExportGenesis(ctx sdk.Context, keeper Keeper) (data GenesisState) {
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var params Params
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keeper.paramspace.GetParamSet(ctx, ¶ms)
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signingInfos := make(map[string]ValidatorSigningInfo)
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missedBlocks := make(map[string][]MissedBlock)
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keeper.IterateValidatorSigningInfos(ctx, func(address sdk.ConsAddress, info ValidatorSigningInfo) (stop bool) {
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bechAddr := address.String()
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signingInfos[bechAddr] = info
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localMissedBlocks := []MissedBlock{}
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keeper.IterateValidatorMissedBlockBitArray(ctx, address, func(index int64, missed bool) (stop bool) {
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localMissedBlocks = append(localMissedBlocks, MissedBlock{index, missed})
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return false
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})
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missedBlocks[bechAddr] = localMissedBlocks
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return false
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})
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return GenesisState{
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Params: params,
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SigningInfos: signingInfos,
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MissedBlocks: missedBlocks,
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}
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}
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