80 lines
2.1 KiB
Go
80 lines
2.1 KiB
Go
package types
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import (
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"sort"
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"github.com/gogo/protobuf/proto"
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tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
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"github.com/cosmos/cosmos-sdk/codec"
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codectypes "github.com/cosmos/cosmos-sdk/codec/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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)
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// NewHistoricalInfo will create a historical information struct from header and valset
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// it will first sort valset before inclusion into historical info
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func NewHistoricalInfo(header tmproto.Header, valSet Validators) HistoricalInfo {
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// Must sort in the same way that tendermint does
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sort.Sort(ValidatorsByVotingPower(valSet))
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return HistoricalInfo{
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Header: header,
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Valset: valSet,
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}
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}
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// MustUnmarshalHistoricalInfo wll unmarshal historical info and panic on error
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func MustUnmarshalHistoricalInfo(cdc codec.BinaryMarshaler, value []byte) HistoricalInfo {
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hi, err := UnmarshalHistoricalInfo(cdc, value)
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if err != nil {
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panic(err)
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}
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return hi
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}
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// UnmarshalHistoricalInfo will unmarshal historical info and return any error
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func UnmarshalHistoricalInfo(cdc codec.BinaryMarshaler, value []byte) (hi HistoricalInfo, err error) {
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err = cdc.UnmarshalBinaryBare(value, &hi)
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return hi, err
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}
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// ValidateBasic will ensure HistoricalInfo is not nil and sorted
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func ValidateBasic(hi HistoricalInfo) error {
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if len(hi.Valset) == 0 {
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return sdkerrors.Wrap(ErrInvalidHistoricalInfo, "validator set is empty")
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}
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if !sort.IsSorted(Validators(hi.Valset)) {
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return sdkerrors.Wrap(ErrInvalidHistoricalInfo, "validator set is not sorted by address")
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}
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return nil
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}
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// Equal checks if receiver is equal to the parameter
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func (hi *HistoricalInfo) Equal(hi2 *HistoricalInfo) bool {
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if !proto.Equal(&hi.Header, &hi2.Header) {
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return false
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}
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if len(hi.Valset) != len(hi2.Valset) {
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return false
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}
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for i := range hi.Valset {
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if !hi.Valset[i].Equal(&hi2.Valset[i]) {
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return false
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}
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}
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return true
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}
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// UnpackInterfaces implements UnpackInterfacesMessage.UnpackInterfaces
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func (hi HistoricalInfo) UnpackInterfaces(c codectypes.AnyUnpacker) error {
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for i := range hi.Valset {
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if err := hi.Valset[i].UnpackInterfaces(c); err != nil {
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return err
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}
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}
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return nil
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}
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