Mukan Erkin Törük
6852832fe8
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61 lines
1.9 KiB
Go
61 lines
1.9 KiB
Go
package tendermint
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import (
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"time"
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errorsmod "cosmossdk.io/errors"
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cmtbytes "github.com/cometbft/cometbft/libs/bytes"
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cmttypes "github.com/cometbft/cometbft/types"
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clienttypes "github.com/cosmos/ibc-go/v10/modules/core/02-client/types"
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commitmenttypes "github.com/cosmos/ibc-go/v10/modules/core/23-commitment/types"
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"github.com/cosmos/ibc-go/v10/modules/core/exported"
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)
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var _ exported.ConsensusState = (*ConsensusState)(nil)
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// SentinelRoot is used as a stand-in root value for the consensus state set at the upgrade height
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const SentinelRoot = "sentinel_root"
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// NewConsensusState creates a new ConsensusState instance.
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func NewConsensusState(
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timestamp time.Time, root commitmenttypes.MerkleRoot, nextValsHash cmtbytes.HexBytes,
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) *ConsensusState {
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return &ConsensusState{
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Timestamp: timestamp,
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Root: root,
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NextValidatorsHash: nextValsHash,
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}
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}
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// ClientType returns Tendermint
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func (ConsensusState) ClientType() string {
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return exported.Tendermint
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}
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// GetRoot returns the commitment Root for the specific
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func (cs ConsensusState) GetRoot() exported.Root {
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return cs.Root
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}
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// GetTimestamp returns block time in nanoseconds of the header that created consensus state
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func (cs ConsensusState) GetTimestamp() uint64 {
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return uint64(cs.Timestamp.UnixNano())
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}
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// ValidateBasic defines a basic validation for the tendermint consensus state.
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// NOTE: ProcessedTimestamp may be zero if this is an initial consensus state passed in by relayer
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// as opposed to a consensus state constructed by the chain.
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func (cs ConsensusState) ValidateBasic() error {
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if cs.Root.Empty() {
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return errorsmod.Wrap(clienttypes.ErrInvalidConsensus, "root cannot be empty")
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}
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if err := cmttypes.ValidateHash(cs.NextValidatorsHash); err != nil {
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return errorsmod.Wrap(err, "next validators hash is invalid")
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}
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if cs.Timestamp.Unix() <= 0 {
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return errorsmod.Wrap(clienttypes.ErrInvalidConsensus, "timestamp must be a positive Unix time")
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}
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return nil
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}
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