laconicd/x/evm/module.go
Austin Abell 1b5c33cf33
EVM Transaction handler and contract creation (#96)
* WIP implementing state transition function

* Error handling and application setup fix

* Fixed error comment

* Allow creation of state objects with a BaseAccount

* Fixed parameters and finalise state after transaction

* updated transaction signing and cli signature

* Set up consistent account encoding and decoding

* Update txbuilder to get sequence before generating eth tx

* Added create functionality to the CLI command

* Remove need to copy over context for statedb interactions

* Updated account retriever

* Cleaned up handler code and updated TODO

* Make recoverEthSig private again

* Add error check for committing to kv store

* Remove commented out code

* Update evm chain config for state transition

* Add time in context for dapps
2019-09-18 09:51:18 -04:00

112 lines
2.8 KiB
Go

package evm
import (
"encoding/json"
"github.com/cosmos/cosmos-sdk/client/context"
"github.com/cosmos/cosmos-sdk/codec"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/cosmos/cosmos-sdk/types/module"
"github.com/cosmos/ethermint/x/evm/client/cli"
"github.com/cosmos/ethermint/x/evm/types"
"github.com/gorilla/mux"
"github.com/spf13/cobra"
abci "github.com/tendermint/tendermint/abci/types"
)
var _ module.AppModuleBasic = AppModuleBasic{}
var _ module.AppModule = AppModule{}
// app module Basics object
type AppModuleBasic struct{}
func (AppModuleBasic) Name() string {
return types.ModuleName
}
func (AppModuleBasic) RegisterCodec(cdc *codec.Codec) {
types.RegisterCodec(cdc)
}
func (AppModuleBasic) DefaultGenesis() json.RawMessage {
return types.ModuleCdc.MustMarshalJSON(DefaultGenesisState())
}
// Validation check of the Genesis
func (AppModuleBasic) ValidateGenesis(bz json.RawMessage) error {
var data GenesisState
err := types.ModuleCdc.UnmarshalJSON(bz, &data)
if err != nil {
return err
}
// Once json successfully marshalled, passes along to genesis.go
return ValidateGenesis(data)
}
// Register rest routes
func (AppModuleBasic) RegisterRESTRoutes(ctx context.CLIContext, rtr *mux.Router) {
//rpc.RegisterRoutes(ctx, rtr, StoreKey)
}
// Get the root query command of this module
func (AppModuleBasic) GetQueryCmd(cdc *codec.Codec) *cobra.Command {
return cli.GetQueryCmd(types.ModuleName, cdc)
}
// Get the root tx command of this module
func (AppModuleBasic) GetTxCmd(cdc *codec.Codec) *cobra.Command {
return cli.GetTxCmd(types.ModuleName, cdc)
}
type AppModule struct {
AppModuleBasic
keeper Keeper
}
// NewAppModule creates a new AppModule Object
func NewAppModule(keeper Keeper) AppModule {
return AppModule{
AppModuleBasic: AppModuleBasic{},
keeper: keeper,
}
}
func (AppModule) Name() string {
return types.ModuleName
}
func (am AppModule) RegisterInvariants(ir sdk.InvariantRegistry) {}
func (am AppModule) Route() string {
return types.RouterKey
}
func (am AppModule) NewHandler() sdk.Handler {
return NewHandler(am.keeper)
}
func (am AppModule) QuerierRoute() string {
return types.ModuleName
}
func (am AppModule) NewQuerierHandler() sdk.Querier {
return NewQuerier(am.keeper)
}
func (am AppModule) BeginBlock(_ sdk.Context, _ abci.RequestBeginBlock) {}
func (am AppModule) EndBlock(ctx sdk.Context, _ abci.RequestEndBlock) []abci.ValidatorUpdate {
// TODO: Commit database here ?
return []abci.ValidatorUpdate{}
}
func (am AppModule) InitGenesis(ctx sdk.Context, data json.RawMessage) []abci.ValidatorUpdate {
var genesisState GenesisState
types.ModuleCdc.MustUnmarshalJSON(data, &genesisState)
return InitGenesis(ctx, am.keeper, genesisState)
}
func (am AppModule) ExportGenesis(ctx sdk.Context) json.RawMessage {
gs := ExportGenesis(ctx, am.keeper)
return types.ModuleCdc.MustMarshalJSON(gs)
}