/
result.go
168 lines (143 loc) · 5.15 KB
/
result.go
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package keeper
import (
"context"
"encoding/hex"
"errors"
"fmt"
"time"
"cosmossdk.io/collections"
sdk "github.com/cosmos/cosmos-sdk/types"
clienttypes "github.com/cosmos/ibc-go/v8/modules/core/02-client/types"
host "github.com/cosmos/ibc-go/v8/modules/core/24-host"
"github.com/ODIN-PROTOCOL/odin-core/x/oracle/types"
)
const (
packetExpireTime = int64(10 * time.Minute)
)
// HasResult checks if the result of this request ID exists in the storage.
func (k Keeper) HasResult(ctx context.Context, id types.RequestID) (bool, error) {
return k.Results.Has(ctx, uint64(id))
}
// SetResult sets result to the store.
func (k Keeper) SetResult(ctx context.Context, reqID types.RequestID, result types.Result) error {
return k.Results.Set(ctx, uint64(reqID), result)
}
// GetResult returns the result for the given request ID or error if not exists.
func (k Keeper) GetResult(ctx context.Context, id types.RequestID) (types.Result, error) {
result, err := k.Results.Get(ctx, uint64(id))
if err != nil {
if errors.Is(err, collections.ErrNotFound) {
return types.Result{}, types.ErrResultNotFound
}
return result, err
}
return result, nil
}
// MustGetResult returns the result for the given request ID. Panics on error.
func (k Keeper) MustGetResult(ctx sdk.Context, id types.RequestID) types.Result {
result, err := k.GetResult(ctx, id)
if err != nil {
panic(err)
}
return result
}
// ResolveSuccess resolves the given request as success with the given result.
func (k Keeper) ResolveSuccess(ctx sdk.Context, id types.RequestID, result []byte, gasUsed uint64) error {
err := k.SaveResult(ctx, id, types.RESOLVE_STATUS_SUCCESS, result)
if err != nil {
return err
}
ctx.EventManager().EmitEvent(sdk.NewEvent(
types.EventTypeResolve,
sdk.NewAttribute(types.AttributeKeyID, fmt.Sprintf("%d", id)),
sdk.NewAttribute(types.AttributeKeyResolveStatus, fmt.Sprintf("%d", types.RESOLVE_STATUS_SUCCESS)),
sdk.NewAttribute(types.AttributeKeyResult, hex.EncodeToString(result)),
sdk.NewAttribute(types.AttributeKeyGasUsed, fmt.Sprintf("%d", gasUsed)),
))
return nil
}
// ResolveFailure resolves the given request as failure with the given reason.
func (k Keeper) ResolveFailure(ctx sdk.Context, id types.RequestID, reason string) error {
err := k.SaveResult(ctx, id, types.RESOLVE_STATUS_FAILURE, []byte{})
if err != nil {
return err
}
ctx.EventManager().EmitEvent(sdk.NewEvent(
types.EventTypeResolve,
sdk.NewAttribute(types.AttributeKeyID, fmt.Sprintf("%d", id)),
sdk.NewAttribute(types.AttributeKeyResolveStatus, fmt.Sprintf("%d", types.RESOLVE_STATUS_FAILURE)),
sdk.NewAttribute(types.AttributeKeyReason, reason),
))
return nil
}
// ResolveExpired resolves the given request as expired.
func (k Keeper) ResolveExpired(ctx context.Context, id types.RequestID) error {
err := k.SaveResult(ctx, id, types.RESOLVE_STATUS_EXPIRED, []byte{})
if err != nil {
return err
}
sdk.UnwrapSDKContext(ctx).EventManager().EmitEvent(sdk.NewEvent(
types.EventTypeResolve,
sdk.NewAttribute(types.AttributeKeyID, fmt.Sprintf("%d", id)),
sdk.NewAttribute(types.AttributeKeyResolveStatus, fmt.Sprintf("%d", types.RESOLVE_STATUS_EXPIRED)),
))
return nil
}
// SaveResult saves the result packets for the request with the given resolve status and result.
func (k Keeper) SaveResult(
ctx context.Context, id types.RequestID, status types.ResolveStatus, result []byte,
) error {
goCtx := sdk.UnwrapSDKContext(ctx)
r := k.MustGetRequest(ctx, id)
reportCount, err := k.GetReportCount(ctx, id)
if err != nil {
return err
}
err = k.SetResult(ctx, id, types.NewResult(
r.ClientID, // ClientID
r.OracleScriptID, // OracleScriptID
r.Calldata, // Calldata
uint64(len(r.RequestedValidators)), // AskCount
r.MinCount, // MinCount
id, // RequestID
reportCount, // AnsCount
r.RequestTime, // RequestTime
goCtx.BlockTime().Unix(), // ResolveTime
status, // ResolveStatus
result, // Result
))
if err != nil {
return err
}
if r.IBCChannel != nil {
sourceChannel := r.IBCChannel.ChannelId
sourcePort := r.IBCChannel.PortId
channelCap, ok := k.scopedKeeper.GetCapability(goCtx, host.ChannelCapabilityPath(sourcePort, sourceChannel))
if !ok {
goCtx.EventManager().EmitEvent(sdk.NewEvent(
types.EventTypeSendPacketFail,
sdk.NewAttribute(types.AttributeKeyReason, "Module does not own channel capability"),
))
// TODO: create error?
return nil
}
packetData := types.NewOracleResponsePacketData(
r.ClientID, id, reportCount, r.RequestTime, goCtx.BlockTime().Unix(), status, result,
)
if _, err := k.channelKeeper.SendPacket(
goCtx,
channelCap,
sourcePort,
sourceChannel,
clienttypes.NewHeight(0, 0),
uint64(goCtx.BlockTime().UnixNano()+packetExpireTime),
packetData.GetBytes(),
); err != nil {
goCtx.EventManager().EmitEvent(sdk.NewEvent(
types.EventTypeSendPacketFail,
sdk.NewAttribute(types.AttributeKeyReason, fmt.Sprintf("Unable to send packet: %s", err)),
))
}
}
return nil
}