0g-chain/x/das/v1/keeper/keeper.go
2024-08-03 15:04:48 +08:00

199 lines
5.3 KiB
Go

package keeper
import (
"encoding/hex"
"strconv"
errorsmod "cosmossdk.io/errors"
"github.com/cosmos/cosmos-sdk/codec"
"github.com/cosmos/cosmos-sdk/store/prefix"
storetypes "github.com/cosmos/cosmos-sdk/store/types"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/tendermint/tendermint/libs/log"
"github.com/0glabs/0g-chain/x/das/v1/types"
)
type Keeper struct {
storeKey storetypes.StoreKey
cdc codec.BinaryCodec
stakingKeeperRef types.StakingKeeperRef
}
// NewKeeper creates a new das Keeper instance
func NewKeeper(
storeKey storetypes.StoreKey,
cdc codec.BinaryCodec,
stakingKeeper types.StakingKeeperRef,
) Keeper {
return Keeper{
storeKey: storeKey,
cdc: cdc,
stakingKeeperRef: stakingKeeper,
}
}
// Logger returns a module-specific logger.
func (k Keeper) Logger(ctx sdk.Context) log.Logger {
return ctx.Logger().With("module", "x/"+types.ModuleName)
}
func (k Keeper) SetNextRequestID(ctx sdk.Context, id uint64) {
store := ctx.KVStore(k.storeKey)
store.Set(types.NextRequestIDKey, types.GetKeyFromID(id))
}
func (k Keeper) GetNextRequestID(ctx sdk.Context) (uint64, error) {
store := ctx.KVStore(k.storeKey)
bz := store.Get(types.NextRequestIDKey)
if bz == nil {
return 0, errorsmod.Wrap(types.ErrInvalidGenesis, "next request ID not set at genesis")
}
return types.Uint64FromBytes(bz), nil
}
func (k Keeper) IncrementNextRequestID(ctx sdk.Context) error {
id, err := k.GetNextRequestID(ctx)
if err != nil {
return err
}
k.SetNextRequestID(ctx, id+1)
return nil
}
func (k Keeper) GetDASRequest(ctx sdk.Context, requestID uint64) (types.DASRequest, bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.RequestKeyPrefix)
bz := store.Get(types.GetKeyFromID(requestID))
if bz == nil {
return types.DASRequest{}, false
}
var req types.DASRequest
k.cdc.MustUnmarshal(bz, &req)
return req, true
}
func (k Keeper) SetDASRequest(ctx sdk.Context, req types.DASRequest) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.RequestKeyPrefix)
bz := k.cdc.MustMarshal(&req)
store.Set(types.GetKeyFromID(req.ID), bz)
}
func (k Keeper) IterateDASRequest(ctx sdk.Context, cb func(req types.DASRequest) (stop bool)) {
iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.RequestKeyPrefix)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var req types.DASRequest
k.cdc.MustUnmarshal(iterator.Value(), &req)
if cb(req) {
break
}
}
}
func (k Keeper) GetDASRequests(ctx sdk.Context) []types.DASRequest {
results := []types.DASRequest{}
k.IterateDASRequest(ctx, func(req types.DASRequest) bool {
results = append(results, req)
return false
})
return results
}
func (k Keeper) StoreNewDASRequest(
ctx sdk.Context,
streamIDHexStr string,
batchHeaderHashHexStr string,
numBlobs uint32) (uint64, error) {
requestID, err := k.GetNextRequestID(ctx)
if err != nil {
return 0, err
}
streamID, err := hex.DecodeString(streamIDHexStr)
if err != nil {
return 0, err
}
batchHeaderHash, err := hex.DecodeString(batchHeaderHashHexStr)
if err != nil {
return 0, err
}
req := types.DASRequest{
ID: requestID,
StreamID: streamID,
BatchHeaderHash: batchHeaderHash,
NumBlobs: numBlobs,
}
k.SetDASRequest(ctx, req)
ctx.EventManager().EmitEvent(
sdk.NewEvent(
types.EventTypeDASRequest,
sdk.NewAttribute(types.AttributeKeyRequestID, strconv.FormatUint(requestID, 10)),
sdk.NewAttribute(types.AttributeKeyStreamID, streamIDHexStr),
sdk.NewAttribute(types.AttributeKeyBatchHeaderHash, batchHeaderHashHexStr),
sdk.NewAttribute(types.AttributeKeyNumBlobs, strconv.FormatUint(uint64(numBlobs), 10)),
),
)
return requestID, nil
}
func (k Keeper) GetDASResponse(
ctx sdk.Context, requestID uint64, sampler sdk.ValAddress,
) (types.DASResponse, bool) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.ResponseKeyPrefix)
bz := store.Get(types.GetResponseKey(requestID, sampler))
if bz == nil {
return types.DASResponse{}, false
}
var vote types.DASResponse
k.cdc.MustUnmarshal(bz, &vote)
return vote, true
}
func (k Keeper) SetDASResponse(ctx sdk.Context, resp types.DASResponse) {
store := prefix.NewStore(ctx.KVStore(k.storeKey), types.ResponseKeyPrefix)
bz := k.cdc.MustMarshal(&resp)
store.Set(types.GetResponseKey(resp.ID, resp.Sampler), bz)
}
func (k Keeper) IterateDASResponse(ctx sdk.Context, cb func(resp types.DASResponse) (stop bool)) {
iterator := sdk.KVStorePrefixIterator(ctx.KVStore(k.storeKey), types.ResponseKeyPrefix)
defer iterator.Close()
for ; iterator.Valid(); iterator.Next() {
var resp types.DASResponse
k.cdc.MustUnmarshal(iterator.Value(), &resp)
if cb(resp) {
break
}
}
}
func (k Keeper) GetDASResponses(ctx sdk.Context) []types.DASResponse {
results := []types.DASResponse{}
k.IterateDASResponse(ctx, func(resp types.DASResponse) bool {
results = append(results, resp)
return false
})
return results
}
func (k Keeper) StoreNewDASResponse(
ctx sdk.Context, requestID uint64, sampler sdk.ValAddress, results []bool) error {
if _, found := k.GetDASRequest(ctx, requestID); !found {
return errorsmod.Wrapf(types.ErrUnknownRequest, "%d", requestID)
}
k.SetDASResponse(ctx, types.DASResponse{
ID: requestID,
Sampler: sampler,
Results: results,
})
return nil
}