/
handler.go
181 lines (159 loc) · 5.6 KB
/
handler.go
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package compute
import (
"fmt"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/HermitMatrixNetwork/HermitMatrixNetwork/x/compute/internal/types"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
)
// NewHandler returns a handler for "bank" type messages.
func NewHandler(k Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
switch msg := msg.(type) {
case *MsgStoreCode:
return handleStoreCode(ctx, k, msg)
case *MsgInstantiateContract:
return handleInstantiate(ctx, k, msg)
case *MsgExecuteContract:
return handleExecute(ctx, k, msg)
/*
case MsgMigrateContract:
return handleMigration(ctx, k, &msg)
case MsgUpdateAdmin:
return handleUpdateContractAdmin(ctx, k, &msg)
case MsgClearAdmin:
return handleClearContractAdmin(ctx, k, &msg)
*/
default:
errMsg := fmt.Sprintf("unrecognized wasm message type: %T", msg)
return nil, sdkerrors.Wrap(sdkerrors.ErrUnknownRequest, errMsg)
}
}
}
// filteredMessageEvents returns the same events with all of type == EventTypeMessage removed.
// this is so only our top-level message event comes through
func filteredMessageEvents(manager *sdk.EventManager) []abci.Event {
events := manager.ABCIEvents()
res := make([]abci.Event, 0, len(events)+1)
for _, e := range events {
if e.Type != sdk.EventTypeMessage {
res = append(res, e)
}
}
return res
}
func handleStoreCode(ctx sdk.Context, k Keeper, msg *MsgStoreCode) (*sdk.Result, error) {
err := msg.ValidateBasic()
if err != nil {
return nil, err
}
codeID, err := k.Create(ctx, msg.Sender, msg.WASMByteCode, msg.Source, msg.Builder)
if err != nil {
return nil, err
}
ctx.EventManager().EmitEvents(sdk.Events{
sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, ModuleName),
sdk.NewAttribute(types.AttributeKeySigner, msg.Sender.String()),
sdk.NewAttribute(types.AttributeKeyCodeID, fmt.Sprintf("%d", codeID)),
),
})
return &sdk.Result{
Data: []byte(fmt.Sprintf("%d", codeID)),
Events: ctx.EventManager().ABCIEvents(),
}, nil
}
func handleInstantiate(ctx sdk.Context, k Keeper, msg *MsgInstantiateContract) (*sdk.Result, error) {
contractAddr, err := k.Instantiate(ctx, msg.CodeID, msg.Sender, msg.InitMsg, msg.Label, msg.InitFunds, msg.CallbackSig)
if err != nil {
return nil, err
}
events := filteredMessageEvents(ctx.EventManager())
custom := sdk.Events{sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, ModuleName),
sdk.NewAttribute(types.AttributeKeySigner, msg.Sender.String()),
sdk.NewAttribute(types.AttributeKeyCodeID, fmt.Sprintf("%d", msg.CodeID)),
sdk.NewAttribute(types.AttributeKeyContract, contractAddr.String()),
)}
events = append(events, custom.ToABCIEvents()...)
// TODO Assaf:
// also need to parse here output events and pass them to Tendermint
// but k.Instantiate() doesn't return any output data right now, just contractAddr
return &sdk.Result{
Data: contractAddr,
Events: events,
}, nil
}
func handleExecute(ctx sdk.Context, k Keeper, msg *MsgExecuteContract) (*sdk.Result, error) {
res, err := k.Execute(
ctx,
msg.Contract,
msg.Sender,
msg.Msg,
msg.SentFunds,
msg.CallbackSig,
)
if err != nil {
return nil, err
}
events := filteredMessageEvents(ctx.EventManager())
custom := sdk.Events{sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, ModuleName),
sdk.NewAttribute(types.AttributeKeySigner, msg.Sender.String()),
sdk.NewAttribute(types.AttributeKeyContract, msg.Contract.String()),
)}
events = append(events, custom.ToABCIEvents()...)
res.Events = events
return res, nil
}
/*
func handleMigration(ctx sdk.Context, k Keeper, msg *MsgMigrateContract) (*sdk.Result, error) {
res, err := k.Migrate(ctx, msg.Contract, msg.Sender, msg.CodeID, msg.MigrateMsg) // for MsgMigrateContract, there is only one signer which is msg.Sender (https://github.com/HermitMatrixNetwork/HermitMatrixNetwork/blob/d7813792fa07b93a10f0885eaa4c5e0a0a698854/x/compute/internal/types/msg.go#L228-L230)
if err != nil {
return nil, err
}
events := filteredMessageEvents(ctx.EventManager())
ourEvent := sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, ModuleName),
sdk.NewAttribute(types.AttributeKeySigner, msg.Sender.String()),
sdk.NewAttribute(types.AttributeKeyContract, msg.Contract.String()),
)
res.Events = append(events, ourEvent)
return res, nil
}
func handleUpdateContractAdmin(ctx sdk.Context, k Keeper, msg *MsgUpdateAdmin) (*sdk.Result, error) {
if err := k.UpdateContractAdmin(ctx, msg.Contract, msg.Sender, msg.NewAdmin); err != nil {
return nil, err
}
events := ctx.EventManager().Events()
ourEvent := sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, ModuleName),
sdk.NewAttribute(types.AttributeKeySigner, msg.Sender.String()),
sdk.NewAttribute(types.AttributeKeyContract, msg.Contract.String()),
)
return &sdk.Result{
Events: append(events, ourEvent),
}, nil
}
func handleClearContractAdmin(ctx sdk.Context, k Keeper, msg *MsgClearAdmin) (*sdk.Result, error) {
if err := k.ClearContractAdmin(ctx, msg.Contract, msg.Sender); err != nil {
return nil, err
}
events := ctx.EventManager().Events()
ourEvent := sdk.NewEvent(
sdk.EventTypeMessage,
sdk.NewAttribute(sdk.AttributeKeyModule, ModuleName),
sdk.NewAttribute(types.AttributeKeySigner, msg.Sender.String()),
sdk.NewAttribute(types.AttributeKeyContract, msg.Contract.String()),
)
return &sdk.Result{
Events: append(events, ourEvent),
}, nil
}
*/