/
handler.go
56 lines (49 loc) · 1.82 KB
/
handler.go
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package erc20mgr
import (
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
authtypes "github.com/datachainlab/cross/x/core/auth/types"
contracttypes "github.com/datachainlab/cross/x/core/contract/types"
"github.com/datachainlab/fabric-besu-cross-demo/contracts/erc20/erc20mgr/keeper"
"github.com/datachainlab/fabric-besu-cross-demo/contracts/erc20/erc20mgr/types"
)
// NewHandler returns sdk.Handler for IBC token transfer module messages
func NewHandler(k keeper.Keeper) sdk.Handler {
return func(ctx sdk.Context, msg sdk.Msg) (*sdk.Result, error) {
ctx = ctx.WithEventManager(sdk.NewEventManager())
ctx = setupContractContext(ctx, msg)
switch msg := msg.(type) {
case *types.MsgContractCallTx:
return handleContractCallTx(ctx, k, msg)
default:
return nil, sdkerrors.Wrapf(sdkerrors.ErrUnknownRequest, "unrecognized erc20mgr message type: %T", msg)
}
}
}
func handleContractCallTx(ctx sdk.Context, k keeper.Keeper, msg sdk.Msg) (*sdk.Result, error) {
callInfo := msg.(*types.MsgContractCallTx).Request.ContractCallInfo(k.Codec())
// this should be the same decorators to App
chd := types.CDTContractHandleDecorators()
goCtx, err := chd.Handle(ctx.Context(), callInfo)
if err != nil {
return nil, err
}
ctx = ctx.WithContext(goCtx)
signers := []authtypes.Account{}
for _, s := range msg.GetSigners() {
signers = append(signers, authtypes.Account{
Id: authtypes.AccountIDFromAccAddress(s),
})
}
res, err := k.HandleContractCall(sdk.WrapSDKContext(ctx), signers, callInfo)
return sdk.WrapServiceResult(ctx, res, err)
}
func setupContractContext(ctx sdk.Context, msg sdk.Msg) sdk.Context {
return contracttypes.SetupContractContext(
ctx,
contracttypes.ContractRuntimeInfo{
CommitMode: contracttypes.BasicMode,
ExternalCallResolver: nil,
},
)
}