/
wasm_interface.go
107 lines (86 loc) · 2.94 KB
/
wasm_interface.go
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package keeper
import (
"encoding/json"
sdk "github.com/cosmos/cosmos-sdk/types"
sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
wasmTypes "github.com/CosmWasm/go-cosmwasm/types"
"github.com/terra-project/core/x/wasm/internal/types"
)
var _ types.WasmQuerierInterface = WasmQuerier{}
var _ types.WasmMsgParserInterface = WasmMsgParser{}
// WasmMsgParser - wasm msg parser for staking msgs
type WasmMsgParser struct{}
// NewWasmMsgParser returns wasm msg parser
func NewWasmMsgParser() WasmMsgParser {
return WasmMsgParser{}
}
// Parse implements wasm staking msg parser
func (WasmMsgParser) Parse(contractAddr sdk.AccAddress, wasmMsg wasmTypes.CosmosMsg) ([]sdk.Msg, error) {
msg := wasmMsg.Wasm
if msg.Execute != nil {
destContractAddr, err := sdk.AccAddressFromBech32(msg.Execute.ContractAddr)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, msg.Execute.ContractAddr)
}
coins, err := types.ParseToCoins(msg.Execute.Send)
if err != nil {
return nil, err
}
sdkMsg := types.MsgExecuteContract{
Sender: contractAddr,
Contract: destContractAddr,
ExecuteMsg: msg.Execute.Msg,
Coins: coins,
}
return []sdk.Msg{sdkMsg}, nil
}
if msg.Instantiate != nil {
coins, err := types.ParseToCoins(msg.Instantiate.Send)
if err != nil {
return nil, err
}
sdkMsg := types.MsgInstantiateContract{
Owner: contractAddr,
CodeID: msg.Instantiate.CodeID,
InitMsg: msg.Instantiate.Msg,
InitCoins: coins,
}
return []sdk.Msg{sdkMsg}, nil
}
return nil, sdkerrors.Wrap(types.ErrInvalidMsg, "Unknown variant of Wasm")
}
// ParseCustom implements custom parser
func (parser WasmMsgParser) ParseCustom(contractAddr sdk.AccAddress, data json.RawMessage) ([]sdk.Msg, error) {
return nil, nil
}
// WasmQuerier - wasm query interface for wasm contract
type WasmQuerier struct {
keeper Keeper
}
// NewWasmQuerier returns wasm querier
func NewWasmQuerier(keeper Keeper) WasmQuerier {
return WasmQuerier{keeper}
}
// Query - implement query function
func (querier WasmQuerier) Query(ctx sdk.Context, request wasmTypes.QueryRequest) ([]byte, error) {
if request.Wasm.Smart != nil {
addr, err := sdk.AccAddressFromBech32(request.Wasm.Smart.ContractAddr)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, request.Wasm.Smart.ContractAddr)
}
return querier.keeper.queryToContract(ctx, addr, request.Wasm.Smart.Msg)
}
if request.Wasm.Raw != nil {
addr, err := sdk.AccAddressFromBech32(request.Wasm.Raw.ContractAddr)
if err != nil {
return nil, sdkerrors.Wrap(sdkerrors.ErrInvalidAddress, request.Wasm.Raw.ContractAddr)
}
models := querier.keeper.queryToStore(ctx, addr, request.Wasm.Raw.Key)
return json.Marshal(models)
}
return nil, wasmTypes.UnsupportedRequest{Kind: "unknown WasmQuery variant"}
}
// QueryCustom implements custom query interface
func (WasmQuerier) QueryCustom(ctx sdk.Context, data json.RawMessage) ([]byte, error) {
return nil, nil
}