65 lines
2.6 KiB
Go
65 lines
2.6 KiB
Go
package v040
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import (
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"sort"
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v039slashing "github.com/cosmos/cosmos-sdk/x/slashing/legacy/v039"
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v040slashing "github.com/cosmos/cosmos-sdk/x/slashing/types"
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)
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// Migrate accepts exported x/slashing genesis state from v0.39 and migrates it
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// to v0.40 x/slashing genesis state. The migration includes:
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//
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// - Chaning SigningInfos and MissedBlocks from map to array.
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// - Convert addresses from bytes to bech32 strings.
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// - Re-encode in v0.40 GenesisState.
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func Migrate(oldGenState v039slashing.GenesisState) *v040slashing.GenesisState {
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// Note that the two following `for` loop over a map's keys, so are not
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// deterministic.
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var newSigningInfos = make([]v040slashing.SigningInfo, 0, len(oldGenState.SigningInfos))
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for address, signingInfo := range oldGenState.SigningInfos {
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newSigningInfos = append(newSigningInfos, v040slashing.SigningInfo{
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Address: address,
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ValidatorSigningInfo: v040slashing.ValidatorSigningInfo{
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Address: signingInfo.Address.String(),
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StartHeight: signingInfo.StartHeight,
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IndexOffset: signingInfo.IndexOffset,
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JailedUntil: signingInfo.JailedUntil,
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Tombstoned: signingInfo.Tombstoned,
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MissedBlocksCounter: signingInfo.MissedBlocksCounter,
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},
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})
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}
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var newValidatorMissedBlocks = make([]v040slashing.ValidatorMissedBlocks, 0, len(oldGenState.MissedBlocks))
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for address, validatorMissedBlocks := range oldGenState.MissedBlocks {
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var newMissedBlocks = make([]v040slashing.MissedBlock, len(validatorMissedBlocks))
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for i, missedBlock := range validatorMissedBlocks {
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newMissedBlocks[i] = v040slashing.MissedBlock{
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Index: missedBlock.Index,
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Missed: missedBlock.Missed,
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}
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}
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newValidatorMissedBlocks = append(newValidatorMissedBlocks, v040slashing.ValidatorMissedBlocks{
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Address: address,
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MissedBlocks: newMissedBlocks,
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})
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}
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// We sort these two arrays by address, so that we get determinstic states.
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sort.Slice(newSigningInfos, func(i, j int) bool { return newSigningInfos[i].Address < newSigningInfos[j].Address })
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sort.Slice(newValidatorMissedBlocks, func(i, j int) bool { return newValidatorMissedBlocks[i].Address < newValidatorMissedBlocks[j].Address })
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return &v040slashing.GenesisState{
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Params: v040slashing.Params{
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SignedBlocksWindow: oldGenState.Params.SignedBlocksWindow,
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MinSignedPerWindow: oldGenState.Params.MinSignedPerWindow,
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DowntimeJailDuration: oldGenState.Params.DowntimeJailDuration,
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SlashFractionDoubleSign: oldGenState.Params.SlashFractionDoubleSign,
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SlashFractionDowntime: oldGenState.Params.SlashFractionDowntime,
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},
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SigningInfos: newSigningInfos,
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MissedBlocks: newValidatorMissedBlocks,
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}
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}
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