266 lines
8.4 KiB
Go
266 lines
8.4 KiB
Go
package keeper
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import (
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"encoding/json"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmwasm/wasmd/x/wasm/internal/types"
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"io/ioutil"
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"os"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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wasmTypes "github.com/CosmWasm/go-cosmwasm/types"
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"github.com/cosmos/cosmos-sdk/codec"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/cosmos/cosmos-sdk/x/auth"
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"github.com/cosmos/cosmos-sdk/x/bank"
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)
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// MaskInitMsg is {}
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type MaskHandleMsg struct {
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Reflect *reflectPayload `json:"reflect_msg,omitempty"`
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Change *ownerPayload `json:"change_owner,omitempty"`
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}
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type ownerPayload struct {
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Owner sdk.Address `json:"owner"`
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}
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type reflectPayload struct {
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Msgs []wasmTypes.CosmosMsg `json:"msgs"`
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}
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func TestMaskReflectCustom(t *testing.T) {
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// TODO
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t.Skip("this causes a panic in the rust code!")
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tempDir, err := ioutil.TempDir("", "wasm")
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require.NoError(t, err)
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defer os.RemoveAll(tempDir)
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ctx, accKeeper, keeper := CreateTestInput(t, false, tempDir)
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deposit := sdk.NewCoins(sdk.NewInt64Coin("denom", 100000))
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creator := createFakeFundedAccount(ctx, accKeeper, deposit)
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bob := createFakeFundedAccount(ctx, accKeeper, deposit)
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_, _, fred := keyPubAddr()
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// upload code
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maskCode, err := ioutil.ReadFile("./testdata/mask.wasm")
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require.NoError(t, err)
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codeID, err := keeper.Create(ctx, creator, maskCode, "", "")
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require.NoError(t, err)
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require.Equal(t, uint64(1), codeID)
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// creator instantiates a contract and gives it tokens
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contractStart := sdk.NewCoins(sdk.NewInt64Coin("denom", 40000))
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contractAddr, err := keeper.Instantiate(ctx, codeID, creator, []byte("{}"), "mask contract 1", contractStart)
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require.NoError(t, err)
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require.NotEmpty(t, contractAddr)
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// set owner to bob
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transfer := MaskHandleMsg{
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Change: &ownerPayload{
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Owner: bob,
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},
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}
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transferBz, err := json.Marshal(transfer)
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require.NoError(t, err)
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_, err = keeper.Execute(ctx, contractAddr, creator, transferBz, nil)
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require.NoError(t, err)
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// check some account values
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checkAccount(t, ctx, accKeeper, contractAddr, contractStart)
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checkAccount(t, ctx, accKeeper, bob, deposit)
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checkAccount(t, ctx, accKeeper, fred, nil)
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// bob can send contract's tokens to fred (using SendMsg)
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msgs := []wasmTypes.CosmosMsg{{
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Bank: &wasmTypes.BankMsg{
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Send: &wasmTypes.SendMsg{
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FromAddress: contractAddr.String(),
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ToAddress: fred.String(),
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Amount: []wasmTypes.Coin{{
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Denom: "denom",
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Amount: "15000",
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}},
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},
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},
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}}
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reflectSend := MaskHandleMsg{
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Reflect: &reflectPayload{
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Msgs: msgs,
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},
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}
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reflectSendBz, err := json.Marshal(reflectSend)
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require.NoError(t, err)
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_, err = keeper.Execute(ctx, contractAddr, bob, reflectSendBz, nil)
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require.NoError(t, err)
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// fred got coins
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checkAccount(t, ctx, accKeeper, fred, sdk.NewCoins(sdk.NewInt64Coin("denom", 15000)))
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// contract lost them
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checkAccount(t, ctx, accKeeper, contractAddr, sdk.NewCoins(sdk.NewInt64Coin("denom", 25000)))
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checkAccount(t, ctx, accKeeper, bob, deposit)
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// construct an opaque message
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var sdkSendMsg sdk.Msg = &bank.MsgSend{
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FromAddress: contractAddr,
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ToAddress: fred,
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Amount: sdk.NewCoins(sdk.NewInt64Coin("denom", 23000)),
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}
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opaque, err := toMaskRawMsg(keeper.cdc, sdkSendMsg)
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require.NoError(t, err)
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reflectOpaque := MaskHandleMsg{
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Reflect: &reflectPayload{
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Msgs: []wasmTypes.CosmosMsg{opaque},
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},
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}
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reflectOpaqueBz, err := json.Marshal(reflectOpaque)
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require.NoError(t, err)
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_, err = keeper.Execute(ctx, contractAddr, bob, reflectOpaqueBz, nil)
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require.NoError(t, err)
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// fred got more coins
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checkAccount(t, ctx, accKeeper, fred, sdk.NewCoins(sdk.NewInt64Coin("denom", 38000)))
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// contract lost them
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checkAccount(t, ctx, accKeeper, contractAddr, sdk.NewCoins(sdk.NewInt64Coin("denom", 2000)))
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checkAccount(t, ctx, accKeeper, bob, deposit)
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}
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type maskCustomMsg struct {
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Debug string `json:"debug"`
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Raw []byte `json:"raw"`
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}
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// toMaskRawMsg encodes an sdk msg using amino json encoding.
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// Then wraps it as an opaque message
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func toMaskRawMsg(cdc *codec.Codec, msg sdk.Msg) (wasmTypes.CosmosMsg, error) {
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rawBz, err := cdc.MarshalJSON(msg)
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if err != nil {
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return wasmTypes.CosmosMsg{}, sdkerrors.Wrap(sdkerrors.ErrJSONMarshal, err.Error())
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}
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customMsg, err := json.Marshal(maskCustomMsg{
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Raw: rawBz,
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})
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res := wasmTypes.CosmosMsg{
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Custom: customMsg,
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}
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return res, nil
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}
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// fromMaskRawMsg decodes msg.Data to an sdk.Msg using amino json encoding.
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// this needs to be registered on the Encoders
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func fromMaskRawMsg(cdc *codec.Codec, msg json.RawMessage) (sdk.Msg, error) {
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// TODO
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return nil, sdkerrors.Wrap(types.ErrInvalidMsg, "Reflect Custom message unimplemented")
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//// until more is changes, format is amino json encoding, wrapped base64
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//var sdkmsg sdk.Msg
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//err := cdc.UnmarshalJSON(msg.Data, &sdkmsg)
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//if err != nil {
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// return nil, sdkerrors.Wrap(sdkerrors.ErrJSONUnmarshal, err.Error())
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//}
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//return sdkmsg, nil
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}
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func TestMaskReflectContractSend(t *testing.T) {
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tempDir, err := ioutil.TempDir("", "wasm")
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require.NoError(t, err)
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defer os.RemoveAll(tempDir)
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ctx, accKeeper, keeper := CreateTestInput(t, false, tempDir)
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deposit := sdk.NewCoins(sdk.NewInt64Coin("denom", 100000))
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creator := createFakeFundedAccount(ctx, accKeeper, deposit)
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_, _, bob := keyPubAddr()
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// upload mask code
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maskCode, err := ioutil.ReadFile("./testdata/mask.wasm")
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require.NoError(t, err)
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maskID, err := keeper.Create(ctx, creator, maskCode, "", "")
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require.NoError(t, err)
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require.Equal(t, uint64(1), maskID)
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// upload hackatom escrow code
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escrowCode, err := ioutil.ReadFile("./testdata/contract.wasm")
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require.NoError(t, err)
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escrowID, err := keeper.Create(ctx, creator, escrowCode, "", "")
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require.NoError(t, err)
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require.Equal(t, uint64(2), escrowID)
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// creator instantiates a contract and gives it tokens
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maskStart := sdk.NewCoins(sdk.NewInt64Coin("denom", 40000))
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maskAddr, err := keeper.Instantiate(ctx, maskID, creator, []byte("{}"), "mask contract 2", maskStart)
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require.NoError(t, err)
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require.NotEmpty(t, maskAddr)
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// now we set contract as verifier of an escrow
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initMsg := InitMsg{
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Verifier: maskAddr,
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Beneficiary: bob,
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}
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initMsgBz, err := json.Marshal(initMsg)
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require.NoError(t, err)
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escrowStart := sdk.NewCoins(sdk.NewInt64Coin("denom", 25000))
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escrowAddr, err := keeper.Instantiate(ctx, escrowID, creator, initMsgBz, "escrow contract 2", escrowStart)
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require.NoError(t, err)
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require.NotEmpty(t, escrowAddr)
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// let's make sure all balances make sense
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checkAccount(t, ctx, accKeeper, creator, sdk.NewCoins(sdk.NewInt64Coin("denom", 35000))) // 100k - 40k - 25k
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checkAccount(t, ctx, accKeeper, maskAddr, maskStart)
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checkAccount(t, ctx, accKeeper, escrowAddr, escrowStart)
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checkAccount(t, ctx, accKeeper, bob, nil)
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// now for the trick.... we reflect a message through the mask to call the escrow
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// we also send an additional 14k tokens there.
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// this should reduce the mask balance by 14k (to 26k)
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// this 14k is added to the escrow, then the entire balance is sent to bob (total: 39k)
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approveMsg := []byte(`{"release":{}}`)
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msgs := []wasmTypes.CosmosMsg{{
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Wasm: &wasmTypes.WasmMsg{
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Execute: &wasmTypes.ExecuteMsg{
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ContractAddr: escrowAddr.String(),
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Msg: approveMsg,
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Send: []wasmTypes.Coin{{
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Denom: "denom",
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Amount: "14000",
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}},
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},
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},
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}}
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reflectSend := MaskHandleMsg{
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Reflect: &reflectPayload{
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Msgs: msgs,
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},
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}
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reflectSendBz, err := json.Marshal(reflectSend)
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require.NoError(t, err)
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_, err = keeper.Execute(ctx, maskAddr, creator, reflectSendBz, nil)
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require.NoError(t, err)
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// did this work???
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checkAccount(t, ctx, accKeeper, creator, sdk.NewCoins(sdk.NewInt64Coin("denom", 35000))) // same as before
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checkAccount(t, ctx, accKeeper, maskAddr, sdk.NewCoins(sdk.NewInt64Coin("denom", 26000))) // 40k - 14k (from send)
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checkAccount(t, ctx, accKeeper, escrowAddr, sdk.Coins{}) // emptied reserved
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checkAccount(t, ctx, accKeeper, bob, sdk.NewCoins(sdk.NewInt64Coin("denom", 39000))) // all escrow of 25k + 14k
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}
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func checkAccount(t *testing.T, ctx sdk.Context, accKeeper auth.AccountKeeper, addr sdk.AccAddress, expected sdk.Coins) {
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acct := accKeeper.GetAccount(ctx, addr)
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if expected == nil {
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assert.Nil(t, acct)
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} else {
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assert.NotNil(t, acct)
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if expected.Empty() {
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// there is confusion between nil and empty slice... let's just treat them the same
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assert.True(t, acct.GetCoins().Empty())
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} else {
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assert.Equal(t, acct.GetCoins(), expected)
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}
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}
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}
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