cosmos-sdk/x/gov/simulation/decoder.go
Callum Waters c7e2305286
refactor: move legacy gov to v1beta1 (#10748)
Ref: #9810

Moves all legacy gov code to `v1beta1`. This preserves all existing behavior (i.e. everything still uses v1beta1). It's merely moving things around to get everything in the right place logistically (hence the large diff still)

---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/master/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/master/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)
2021-12-13 18:48:44 +00:00

56 lines
1.7 KiB
Go

package simulation
import (
"bytes"
"encoding/binary"
"fmt"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/types/kv"
"github.com/cosmos/cosmos-sdk/x/gov/types"
"github.com/cosmos/cosmos-sdk/x/gov/types/v1beta1"
)
// NewDecodeStore returns a decoder function closure that unmarshals the KVPair's
// Value to the corresponding gov type.
func NewDecodeStore(cdc codec.Codec) func(kvA, kvB kv.Pair) string {
return func(kvA, kvB kv.Pair) string {
switch {
case bytes.Equal(kvA.Key[:1], types.ProposalsKeyPrefix):
var proposalA v1beta1.Proposal
err := cdc.Unmarshal(kvA.Value, &proposalA)
if err != nil {
panic(err)
}
var proposalB v1beta1.Proposal
err = cdc.Unmarshal(kvB.Value, &proposalB)
if err != nil {
panic(err)
}
return fmt.Sprintf("%v\n%v", proposalA, proposalB)
case bytes.Equal(kvA.Key[:1], types.ActiveProposalQueuePrefix),
bytes.Equal(kvA.Key[:1], types.InactiveProposalQueuePrefix),
bytes.Equal(kvA.Key[:1], types.ProposalIDKey):
proposalIDA := binary.LittleEndian.Uint64(kvA.Value)
proposalIDB := binary.LittleEndian.Uint64(kvB.Value)
return fmt.Sprintf("proposalIDA: %d\nProposalIDB: %d", proposalIDA, proposalIDB)
case bytes.Equal(kvA.Key[:1], types.DepositsKeyPrefix):
var depositA, depositB v1beta1.Deposit
cdc.MustUnmarshal(kvA.Value, &depositA)
cdc.MustUnmarshal(kvB.Value, &depositB)
return fmt.Sprintf("%v\n%v", depositA, depositB)
case bytes.Equal(kvA.Key[:1], types.VotesKeyPrefix):
var voteA, voteB v1beta1.Vote
cdc.MustUnmarshal(kvA.Value, &voteA)
cdc.MustUnmarshal(kvB.Value, &voteB)
return fmt.Sprintf("%v\n%v", voteA, voteB)
default:
panic(fmt.Sprintf("invalid governance key prefix %X", kvA.Key[:1]))
}
}
}