168 lines
5.2 KiB
Go
168 lines
5.2 KiB
Go
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// Package v040 is copy-pasted from:
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// https://github.com/cosmos/cosmos-sdk/blob/v0.41.0/x/gov/types/keys.go
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package v040
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import (
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"encoding/binary"
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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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v040auth "github.com/cosmos/cosmos-sdk/x/auth/legacy/v040"
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)
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const (
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// ModuleName is the name of the module
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ModuleName = "gov"
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// StoreKey is the store key string for gov
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StoreKey = ModuleName
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// RouterKey is the message route for gov
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RouterKey = ModuleName
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// QuerierRoute is the querier route for gov
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QuerierRoute = ModuleName
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)
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// Keys for governance store
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// Items are stored with the following key: values
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//
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// - 0x00<proposalID_Bytes>: Proposal
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//
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// - 0x01<endTime_Bytes><proposalID_Bytes>: activeProposalID
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//
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// - 0x02<endTime_Bytes><proposalID_Bytes>: inactiveProposalID
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//
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// - 0x03: nextProposalID
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//
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// - 0x10<proposalID_Bytes><depositorAddr_Bytes>: Deposit
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//
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// - 0x20<proposalID_Bytes><voterAddr_Bytes>: Voter
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var (
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ProposalsKeyPrefix = []byte{0x00}
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ActiveProposalQueuePrefix = []byte{0x01}
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InactiveProposalQueuePrefix = []byte{0x02}
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ProposalIDKey = []byte{0x03}
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DepositsKeyPrefix = []byte{0x10}
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VotesKeyPrefix = []byte{0x20}
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)
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var lenTime = len(sdk.FormatTimeBytes(time.Now()))
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// GetProposalIDBytes returns the byte representation of the proposalID
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func GetProposalIDBytes(proposalID uint64) (proposalIDBz []byte) {
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proposalIDBz = make([]byte, 8)
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binary.BigEndian.PutUint64(proposalIDBz, proposalID)
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return
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}
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// GetProposalIDFromBytes returns proposalID in uint64 format from a byte array
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func GetProposalIDFromBytes(bz []byte) (proposalID uint64) {
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return binary.BigEndian.Uint64(bz)
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}
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// ProposalKey gets a specific proposal from the store
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func ProposalKey(proposalID uint64) []byte {
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return append(ProposalsKeyPrefix, GetProposalIDBytes(proposalID)...)
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}
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// ActiveProposalByTimeKey gets the active proposal queue key by endTime
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func ActiveProposalByTimeKey(endTime time.Time) []byte {
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return append(ActiveProposalQueuePrefix, sdk.FormatTimeBytes(endTime)...)
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}
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// ActiveProposalQueueKey returns the key for a proposalID in the activeProposalQueue
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func ActiveProposalQueueKey(proposalID uint64, endTime time.Time) []byte {
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return append(ActiveProposalByTimeKey(endTime), GetProposalIDBytes(proposalID)...)
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}
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// InactiveProposalByTimeKey gets the inactive proposal queue key by endTime
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func InactiveProposalByTimeKey(endTime time.Time) []byte {
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return append(InactiveProposalQueuePrefix, sdk.FormatTimeBytes(endTime)...)
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}
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// InactiveProposalQueueKey returns the key for a proposalID in the inactiveProposalQueue
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func InactiveProposalQueueKey(proposalID uint64, endTime time.Time) []byte {
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return append(InactiveProposalByTimeKey(endTime), GetProposalIDBytes(proposalID)...)
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}
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// DepositsKey gets the first part of the deposits key based on the proposalID
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func DepositsKey(proposalID uint64) []byte {
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return append(DepositsKeyPrefix, GetProposalIDBytes(proposalID)...)
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}
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// DepositKey key of a specific deposit from the store
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func DepositKey(proposalID uint64, depositorAddr sdk.AccAddress) []byte {
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return append(DepositsKey(proposalID), depositorAddr.Bytes()...)
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}
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// VotesKey gets the first part of the votes key based on the proposalID
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func VotesKey(proposalID uint64) []byte {
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return append(VotesKeyPrefix, GetProposalIDBytes(proposalID)...)
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}
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// VoteKey key of a specific vote from the store
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func VoteKey(proposalID uint64, voterAddr sdk.AccAddress) []byte {
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return append(VotesKey(proposalID), voterAddr.Bytes()...)
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}
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// Split keys function; used for iterators
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// SplitProposalKey split the proposal key and returns the proposal id
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func SplitProposalKey(key []byte) (proposalID uint64) {
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if len(key[1:]) != 8 {
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panic(fmt.Sprintf("unexpected key length (%d ≠ 8)", len(key[1:])))
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}
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return GetProposalIDFromBytes(key[1:])
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}
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// SplitActiveProposalQueueKey split the active proposal key and returns the proposal id and endTime
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func SplitActiveProposalQueueKey(key []byte) (proposalID uint64, endTime time.Time) {
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return splitKeyWithTime(key)
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}
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// SplitInactiveProposalQueueKey split the inactive proposal key and returns the proposal id and endTime
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func SplitInactiveProposalQueueKey(key []byte) (proposalID uint64, endTime time.Time) {
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return splitKeyWithTime(key)
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}
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// SplitKeyDeposit split the deposits key and returns the proposal id and depositor address
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func SplitKeyDeposit(key []byte) (proposalID uint64, depositorAddr sdk.AccAddress) {
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return splitKeyWithAddress(key)
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}
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// SplitKeyVote split the votes key and returns the proposal id and voter address
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func SplitKeyVote(key []byte) (proposalID uint64, voterAddr sdk.AccAddress) {
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return splitKeyWithAddress(key)
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}
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// private functions
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func splitKeyWithTime(key []byte) (proposalID uint64, endTime time.Time) {
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if len(key[1:]) != 8+lenTime {
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panic(fmt.Sprintf("unexpected key length (%d ≠ %d)", len(key[1:]), lenTime+8))
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}
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endTime, err := sdk.ParseTimeBytes(key[1 : 1+lenTime])
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if err != nil {
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panic(err)
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}
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proposalID = GetProposalIDFromBytes(key[1+lenTime:])
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return
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}
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func splitKeyWithAddress(key []byte) (proposalID uint64, addr sdk.AccAddress) {
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if len(key[1:]) != 8+v040auth.AddrLen {
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panic(fmt.Sprintf("unexpected key length (%d ≠ %d)", len(key), 8+v040auth.AddrLen))
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}
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proposalID = GetProposalIDFromBytes(key[1:9])
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addr = sdk.AccAddress(key[9:])
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return
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}
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