mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-10 10:05:18 +00:00
731 lines
23 KiB
Go
731 lines
23 KiB
Go
package keeper_test
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import (
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"math/big"
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"testing"
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"github.com/stretchr/testify/suite"
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sdkmath "cosmossdk.io/math"
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sdk "github.com/cosmos/cosmos-sdk/types"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/math"
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"github.com/0glabs/0g-chain/app"
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"github.com/0glabs/0g-chain/x/evmutil/keeper"
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"github.com/0glabs/0g-chain/x/evmutil/testutil"
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"github.com/0glabs/0g-chain/x/evmutil/types"
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)
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type MsgServerSuite struct {
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testutil.Suite
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msgServer types.MsgServer
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}
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func (suite *MsgServerSuite) SetupTest() {
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suite.Suite.SetupTest()
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suite.msgServer = keeper.NewMsgServerImpl(suite.App.GetEvmutilKeeper())
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}
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func TestMsgServerSuite(t *testing.T) {
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suite.Run(t, new(MsgServerSuite))
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}
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func (suite *MsgServerSuite) TestConvertCoinToERC20() {
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invoker, err := sdk.AccAddressFromBech32("0g1ffv7nhd3z6sych2qpqkk03ec6hzkmufyhp5hf8")
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suite.Require().NoError(err)
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err = suite.App.FundAccount(suite.Ctx, invoker, sdk.NewCoins(sdk.NewCoin("erc20/usdc", sdkmath.NewInt(10000))))
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suite.Require().NoError(err)
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contractAddr := suite.DeployERC20()
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pair := types.NewConversionPair(
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contractAddr,
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"erc20/usdc",
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)
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// Module account should have starting balance
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pairStartingBal := big.NewInt(10000)
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err = suite.Keeper.MintERC20(
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suite.Ctx,
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pair.GetAddress(), // contractAddr
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types.NewInternalEVMAddress(types.ModuleEVMAddress), //receiver
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pairStartingBal,
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)
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suite.Require().NoError(err)
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type errArgs struct {
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expectPass bool
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contains string
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}
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tests := []struct {
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name string
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msg types.MsgConvertCoinToERC20
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errArgs errArgs
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}{
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{
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"valid",
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types.NewMsgConvertCoinToERC20(
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invoker.String(),
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"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
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sdk.NewCoin("erc20/usdc", sdkmath.NewInt(1234)),
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),
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errArgs{
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expectPass: true,
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},
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},
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{
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"invalid - odd length hex address",
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types.NewMsgConvertCoinToERC20(
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invoker.String(),
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"0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc",
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sdk.NewCoin("erc20/usdc", sdkmath.NewInt(1234)),
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),
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errArgs{
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expectPass: false,
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contains: "invalid Receiver address: string is not a hex address",
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},
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},
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// Amount coin is not validated by msg_server, but on msg itself
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}
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for _, tc := range tests {
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suite.Run(tc.name, func() {
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_, err := suite.msgServer.ConvertCoinToERC20(sdk.WrapSDKContext(suite.Ctx), &tc.msg)
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if tc.errArgs.expectPass {
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suite.Require().NoError(err)
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bal := suite.GetERC20BalanceOf(
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types.ERC20MintableBurnableContract.ABI,
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pair.GetAddress(),
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testutil.MustNewInternalEVMAddressFromString(tc.msg.Receiver),
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)
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suite.Require().Equal(tc.msg.Amount.Amount.BigInt(), bal, "balance should match converted amount")
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// msg server event
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suite.EventsContains(suite.GetEvents(),
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, tc.msg.Initiator),
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))
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// keeper event
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suite.EventsContains(suite.GetEvents(),
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sdk.NewEvent(
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types.EventTypeConvertCoinToERC20,
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sdk.NewAttribute(types.AttributeKeyInitiator, tc.msg.Initiator),
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sdk.NewAttribute(types.AttributeKeyReceiver, tc.msg.Receiver),
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sdk.NewAttribute(types.AttributeKeyERC20Address, pair.GetAddress().String()),
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sdk.NewAttribute(types.AttributeKeyAmount, tc.msg.Amount.String()),
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))
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} else {
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suite.Require().Error(err)
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suite.Require().Contains(err.Error(), tc.errArgs.contains)
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}
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})
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}
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}
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func (suite *MsgServerSuite) TestConvertERC20ToCoin() {
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contractAddr := suite.DeployERC20()
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pair := types.NewConversionPair(
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contractAddr,
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"erc20/usdc",
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)
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// give invoker account some erc20 usdc to begin with
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invoker := testutil.MustNewInternalEVMAddressFromString("0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2")
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pairStartingBal := big.NewInt(10_000_000)
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err := suite.Keeper.MintERC20(
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suite.Ctx,
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pair.GetAddress(), // contractAddr
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invoker, //receiver
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pairStartingBal,
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)
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suite.Require().NoError(err)
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invokerCosmosAddr, err := sdk.AccAddressFromHexUnsafe(invoker.String()[2:])
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suite.Require().NoError(err)
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// create user account, otherwise `CallEVMWithData` will fail due to failing to get user account when finding its sequence.
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err = suite.App.FundAccount(suite.Ctx, invokerCosmosAddr, sdk.NewCoins(sdk.NewCoin(pair.Denom, sdk.ZeroInt())))
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suite.Require().NoError(err)
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type errArgs struct {
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expectPass bool
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contains string
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}
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tests := []struct {
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name string
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msg types.MsgConvertERC20ToCoin
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approvalAmount *big.Int
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errArgs errArgs
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}{
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{
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"valid",
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types.NewMsgConvertERC20ToCoin(
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invoker,
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invokerCosmosAddr,
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contractAddr,
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sdkmath.NewInt(10_000),
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),
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math.MaxBig256,
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errArgs{
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expectPass: true,
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},
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},
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{
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"invalid - invalid hex address",
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types.MsgConvertERC20ToCoin{
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Initiator: "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc",
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Receiver: invokerCosmosAddr.String(),
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ZgChainERC20Address: contractAddr.String(),
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Amount: sdkmath.NewInt(10_000),
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},
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math.MaxBig256,
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errArgs{
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expectPass: false,
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contains: "invalid initiator address: string is not a hex address",
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},
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},
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{
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"invalid - insufficient coins",
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types.NewMsgConvertERC20ToCoin(
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invoker,
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invokerCosmosAddr,
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contractAddr,
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sdkmath.NewIntFromBigInt(pairStartingBal).Add(sdk.OneInt()),
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),
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math.MaxBig256,
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errArgs{
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expectPass: false,
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contains: "transfer amount exceeds balance",
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},
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},
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{
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"invalid - contract address",
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types.NewMsgConvertERC20ToCoin(
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invoker,
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invokerCosmosAddr,
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testutil.MustNewInternalEVMAddressFromString("0x7Bbf300890857b8c241b219C6a489431669b3aFA"),
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sdkmath.NewInt(10_000),
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),
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math.MaxBig256,
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errArgs{
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expectPass: false,
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contains: "ERC20 token not enabled to convert to sdk.Coin",
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},
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},
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}
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for _, tc := range tests {
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suite.Run(tc.name, func() {
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_, err := suite.msgServer.ConvertERC20ToCoin(sdk.WrapSDKContext(suite.Ctx), &tc.msg)
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if tc.errArgs.expectPass {
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suite.Require().NoError(err)
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// validate user balance after conversion
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bal := suite.GetERC20BalanceOf(
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types.ERC20MintableBurnableContract.ABI,
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pair.GetAddress(),
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testutil.MustNewInternalEVMAddressFromString(tc.msg.Initiator),
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)
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expectedBal := sdkmath.NewIntFromBigInt(pairStartingBal).Sub(tc.msg.Amount)
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suite.Require().Equal(expectedBal.BigInt(), bal, "user erc20 balance is invalid")
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// validate user coin balance
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coinBal := suite.App.GetBankKeeper().GetBalance(suite.Ctx, invokerCosmosAddr, pair.Denom)
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suite.Require().Equal(tc.msg.Amount, coinBal.Amount, "user coin balance is invalid")
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// msg server event
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suite.EventsContains(suite.GetEvents(),
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sdk.NewEvent(
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sdk.EventTypeMessage,
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
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sdk.NewAttribute(sdk.AttributeKeySender, tc.msg.Initiator),
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))
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// keeper event
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suite.EventsContains(suite.GetEvents(),
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sdk.NewEvent(
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types.EventTypeConvertERC20ToCoin,
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sdk.NewAttribute(types.AttributeKeyERC20Address, pair.GetAddress().String()),
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sdk.NewAttribute(types.AttributeKeyInitiator, tc.msg.Initiator),
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sdk.NewAttribute(types.AttributeKeyReceiver, tc.msg.Receiver),
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sdk.NewAttribute(types.AttributeKeyAmount, sdk.NewCoin(pair.Denom, tc.msg.Amount).String()),
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))
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} else {
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suite.Require().Error(err)
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suite.Require().Contains(err.Error(), tc.errArgs.contains)
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}
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})
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}
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}
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func (suite *MsgServerSuite) TestConvertCosmosCoinToERC20_InitialContractDeploy() {
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allowedDenom := "ibc/27394FB092D2ECCD56123C74F36E4C1F926001CEADA9CA97EA622B25F41E5EB2"
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initialFunding := int64(1e10)
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fundedAccount := app.RandomAddress()
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setup := func() {
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suite.SetupTest()
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// make the denom allowed for conversion
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params := suite.Keeper.GetParams(suite.Ctx)
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params.AllowedCosmosDenoms = types.NewAllowedCosmosCoinERC20Tokens(
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types.NewAllowedCosmosCoinERC20Token(allowedDenom, "0gChain EVM Atom", "ATOM", 6),
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)
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suite.Keeper.SetParams(suite.Ctx, params)
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// fund account
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err := suite.App.FundAccount(suite.Ctx, fundedAccount, sdk.NewCoins(
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sdk.NewInt64Coin(allowedDenom, initialFunding),
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))
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suite.NoError(err, "failed to initially fund account")
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}
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testCases := []struct {
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name string
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msg types.MsgConvertCosmosCoinToERC20
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amountConverted sdkmath.Int
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expectedErr string
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}{
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{
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name: "valid - first conversion deploys contract, send to self",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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fundedAccount.String(),
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common.BytesToAddress(fundedAccount.Bytes()).Hex(), // it's me!
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sdk.NewInt64Coin(allowedDenom, 5e7),
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),
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amountConverted: sdkmath.NewInt(5e7),
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expectedErr: "",
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},
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{
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name: "valid - first conversion deploys contract, send to other",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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fundedAccount.String(),
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testutil.RandomEvmAddress().Hex(), // someone else!
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sdk.NewInt64Coin(allowedDenom, 9993317),
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),
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amountConverted: sdkmath.NewInt(9993317),
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expectedErr: "",
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},
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{
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name: "invalid - un-allowed denom",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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app.RandomAddress().String(),
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testutil.RandomEvmAddress().Hex(),
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sdk.NewInt64Coin("not-allowed-denom", 1e4),
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),
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expectedErr: "sdk.Coin not enabled to convert to ERC20 token",
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},
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{
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name: "invalid - bad initiator",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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"invalid-0g-address",
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testutil.RandomEvmAddress().Hex(),
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sdk.NewInt64Coin(allowedDenom, 1e4),
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),
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expectedErr: "invalid initiator address",
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},
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{
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name: "invalid - bad receiver",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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app.RandomAddress().String(),
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"invalid-0x-address",
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sdk.NewInt64Coin(allowedDenom, 1e4),
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),
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expectedErr: "invalid receiver address",
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},
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{
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name: "invalid - bad receiver",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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app.RandomAddress().String(),
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"invalid-0x-address",
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sdk.NewInt64Coin(allowedDenom, 1e4),
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),
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expectedErr: "invalid receiver address",
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},
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{
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name: "invalid - insufficient balance",
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msg: types.NewMsgConvertCosmosCoinToERC20(
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fundedAccount.String(),
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testutil.RandomEvmAddress().Hex(),
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sdk.NewInt64Coin(allowedDenom, initialFunding+1),
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),
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expectedErr: "insufficient funds",
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},
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// NOTE: a zero amount tx passes in this scope but will fail to pass ValidateBasic()
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}
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for _, tc := range testCases {
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suite.Run(tc.name, func() {
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// initial setup
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setup()
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moduleBalanceBefore := suite.ModuleBalance(allowedDenom)
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// submit message
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_, err := suite.msgServer.ConvertCosmosCoinToERC20(suite.Ctx, &tc.msg)
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// verify error, if expected
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if tc.expectedErr != "" {
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suite.ErrorContains(err, tc.expectedErr)
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// the contract wasn't previously deployed, so still shouldn't be
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_, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, allowedDenom)
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suite.False(found)
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return
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}
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// verify success
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suite.NoError(err)
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initiator := sdk.MustAccAddressFromBech32(tc.msg.Initiator)
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receiver := testutil.MustNewInternalEVMAddressFromString(tc.msg.Receiver)
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// initiator no longer has sdk coins
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cosmosBalanceAfter := suite.BankKeeper.GetBalance(suite.Ctx, initiator, allowedDenom)
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suite.Equal(
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sdkmath.NewInt(initialFunding).Sub(tc.amountConverted),
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cosmosBalanceAfter.Amount,
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"unexpected sdk.Coin balance of initiator",
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)
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// sdk coins are locked into module
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moduleBalanceAfter := suite.ModuleBalance(allowedDenom)
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suite.Equal(
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moduleBalanceBefore.Add(tc.amountConverted),
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moduleBalanceAfter,
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"unexpected module balance",
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)
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|
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// deployed contract address is registered in module store
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contractAddress, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, allowedDenom)
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suite.True(found, "expected deployed contract address to be registered, found none")
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|
|
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// receiver has been minted correct number of tokens
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erc20Balance, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, receiver)
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suite.NoError(err)
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suite.Equal(tc.amountConverted.BigInt(), erc20Balance, "unexpected erc20 balance for receiver")
|
|
|
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// msg server event
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suite.EventsContains(suite.GetEvents(),
|
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sdk.NewEvent(
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sdk.EventTypeMessage,
|
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sdk.NewAttribute(sdk.AttributeKeyModule, types.AttributeValueCategory),
|
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sdk.NewAttribute(sdk.AttributeKeySender, initiator.String()),
|
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))
|
|
|
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// keeper event
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suite.EventsContains(suite.GetEvents(),
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sdk.NewEvent(
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types.EventTypeConvertCosmosCoinToERC20,
|
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sdk.NewAttribute(types.AttributeKeyInitiator, initiator.String()),
|
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sdk.NewAttribute(types.AttributeKeyReceiver, receiver.String()),
|
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sdk.NewAttribute(types.AttributeKeyERC20Address, contractAddress.Hex()),
|
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sdk.NewAttribute(types.AttributeKeyAmount, tc.msg.Amount.String()),
|
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))
|
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})
|
|
}
|
|
}
|
|
|
|
func (suite *MsgServerSuite) TestConvertCosmosCoinToERC20_AlreadyDeployedContract() {
|
|
allowedDenom := "ibc/27394FB092D2ECCD56123C74F36E4C1F926001CEADA9CA97EA622B25F41E5EB2"
|
|
initialFunding := int64(1e10)
|
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fundedAccount := app.RandomAddress()
|
|
|
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amount := sdkmath.NewInt(6e8)
|
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receiver1 := types.BytesToInternalEVMAddress(app.RandomAddress().Bytes())
|
|
receiver2 := types.BytesToInternalEVMAddress(app.RandomAddress().Bytes())
|
|
|
|
suite.SetupTest()
|
|
|
|
// make the denom allowed for conversion
|
|
params := suite.Keeper.GetParams(suite.Ctx)
|
|
params.AllowedCosmosDenoms = types.NewAllowedCosmosCoinERC20Tokens(
|
|
types.NewAllowedCosmosCoinERC20Token(allowedDenom, "0gChain EVM Atom", "ATOM", 6),
|
|
)
|
|
suite.Keeper.SetParams(suite.Ctx, params)
|
|
|
|
// fund account
|
|
err := suite.App.FundAccount(suite.Ctx, fundedAccount, sdk.NewCoins(
|
|
sdk.NewInt64Coin(allowedDenom, initialFunding),
|
|
))
|
|
suite.NoError(err, "failed to initially fund account")
|
|
|
|
// verify contract is not deployed
|
|
_, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, allowedDenom)
|
|
suite.False(found)
|
|
|
|
// initial convert deploys contract
|
|
msg := types.NewMsgConvertCosmosCoinToERC20(
|
|
fundedAccount.String(),
|
|
receiver1.Hex(),
|
|
sdk.NewCoin(allowedDenom, amount),
|
|
)
|
|
_, err = suite.msgServer.ConvertCosmosCoinToERC20(suite.Ctx, &msg)
|
|
suite.NoError(err)
|
|
|
|
contractAddress, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, allowedDenom)
|
|
suite.True(found)
|
|
|
|
// second convert uses same contract
|
|
msg.Receiver = receiver2.Hex()
|
|
_, err = suite.msgServer.ConvertCosmosCoinToERC20(suite.Ctx, &msg)
|
|
suite.NoError(err)
|
|
|
|
after2ndUseAddress, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, allowedDenom)
|
|
suite.True(found)
|
|
suite.Equal(contractAddress, after2ndUseAddress, "contract address should remain the same")
|
|
|
|
// check balances
|
|
bal1, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, receiver1)
|
|
suite.NoError(err)
|
|
suite.Equal(amount.BigInt(), bal1)
|
|
|
|
bal2, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, receiver2)
|
|
suite.NoError(err)
|
|
suite.Equal(amount.BigInt(), bal2)
|
|
|
|
// check total supply
|
|
caller, key := testutil.RandomEvmAccount()
|
|
totalSupply, err := suite.QueryContract(
|
|
types.ERC20ZgChainWrappedCosmosCoinContract.ABI,
|
|
caller,
|
|
key,
|
|
contractAddress,
|
|
"totalSupply",
|
|
)
|
|
suite.NoError(err)
|
|
suite.Len(totalSupply, 1)
|
|
suite.Equal(amount.MulRaw(2).BigInt(), totalSupply[0].(*big.Int))
|
|
}
|
|
|
|
func (suite *MsgServerSuite) TestConvertCosmosCoinFromERC20() {
|
|
denom := "magic"
|
|
tokenInfo := types.NewAllowedCosmosCoinERC20Token(denom, "Cosmos Coin", "MAGIC", 6)
|
|
initialPosition := sdk.NewInt64Coin(denom, 1e10)
|
|
initiator := testutil.RandomInternalEVMAddress()
|
|
|
|
var contractAddress types.InternalEVMAddress
|
|
setup := func() {
|
|
suite.SetupTest()
|
|
|
|
// allow conversion to the denom
|
|
params := suite.Keeper.GetParams(suite.Ctx)
|
|
params.AllowedCosmosDenoms = append(params.AllowedCosmosDenoms, tokenInfo)
|
|
suite.Keeper.SetParams(suite.Ctx, params)
|
|
|
|
// setup initial position
|
|
addr := app.RandomAddress()
|
|
err := suite.App.FundAccount(suite.Ctx, addr, sdk.NewCoins(initialPosition))
|
|
suite.NoError(err)
|
|
err = suite.Keeper.ConvertCosmosCoinToERC20(suite.Ctx, addr, initiator, initialPosition)
|
|
suite.NoError(err)
|
|
|
|
contractAddress, _ = suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, denom)
|
|
}
|
|
|
|
testCases := []struct {
|
|
name string
|
|
msg types.MsgConvertCosmosCoinFromERC20
|
|
amountConverted sdkmath.Int
|
|
expectedErr string
|
|
}{
|
|
{
|
|
name: "valid - full convert",
|
|
msg: types.NewMsgConvertCosmosCoinFromERC20(
|
|
initiator.Hex(),
|
|
app.RandomAddress().String(),
|
|
initialPosition,
|
|
),
|
|
amountConverted: initialPosition.Amount,
|
|
expectedErr: "",
|
|
},
|
|
{
|
|
name: "valid - partial convert",
|
|
msg: types.NewMsgConvertCosmosCoinFromERC20(
|
|
initiator.Hex(),
|
|
app.RandomAddress().String(),
|
|
sdk.NewInt64Coin(denom, 123456),
|
|
),
|
|
amountConverted: sdkmath.NewInt(123456),
|
|
expectedErr: "",
|
|
},
|
|
{
|
|
name: "invalid - bad initiator",
|
|
msg: types.NewMsgConvertCosmosCoinFromERC20(
|
|
"invalid-address",
|
|
app.RandomAddress().String(),
|
|
sdk.NewInt64Coin(denom, 123456),
|
|
),
|
|
amountConverted: sdkmath.ZeroInt(),
|
|
expectedErr: "invalid initiator address",
|
|
},
|
|
{
|
|
name: "invalid - bad receiver",
|
|
msg: types.NewMsgConvertCosmosCoinFromERC20(
|
|
testutil.RandomEvmAddress().Hex(),
|
|
"invalid-address",
|
|
sdk.NewInt64Coin(denom, 123456),
|
|
),
|
|
amountConverted: sdkmath.ZeroInt(),
|
|
expectedErr: "invalid receiver address",
|
|
},
|
|
{
|
|
name: "invalid - unsupported asset",
|
|
msg: types.NewMsgConvertCosmosCoinFromERC20(
|
|
initiator.Hex(),
|
|
app.RandomAddress().String(),
|
|
sdk.NewInt64Coin("not-supported", 123456),
|
|
),
|
|
amountConverted: sdkmath.ZeroInt(),
|
|
expectedErr: "no erc20 contract found",
|
|
},
|
|
{
|
|
name: "invalid - insufficient funds",
|
|
msg: types.NewMsgConvertCosmosCoinFromERC20(
|
|
initiator.Hex(),
|
|
app.RandomAddress().String(),
|
|
initialPosition.AddAmount(sdkmath.OneInt()),
|
|
),
|
|
amountConverted: sdkmath.ZeroInt(),
|
|
expectedErr: "failed to convert to cosmos coins: insufficient funds",
|
|
},
|
|
}
|
|
|
|
for _, tc := range testCases {
|
|
suite.Run(tc.name, func() {
|
|
setup()
|
|
|
|
_, err := suite.msgServer.ConvertCosmosCoinFromERC20(suite.Ctx, &tc.msg)
|
|
|
|
if tc.expectedErr != "" {
|
|
suite.ErrorContains(err, tc.expectedErr)
|
|
// expect no change in erc20 balance
|
|
balance, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, initiator)
|
|
suite.NoError(err)
|
|
suite.BigIntsEqual(initialPosition.Amount.BigInt(), balance, "expected no change in initiator's erc20 balance")
|
|
// expect no change in module balance
|
|
suite.Equal(initialPosition.Amount, suite.ModuleBalance(denom), "expected no change in module balance")
|
|
return
|
|
}
|
|
|
|
suite.NoError(err)
|
|
|
|
receiver := sdk.MustAccAddressFromBech32(tc.msg.Receiver)
|
|
// expect receiver to have the sdk coins
|
|
sdkBalance := suite.BankKeeper.GetBalance(suite.Ctx, receiver, denom)
|
|
suite.Equal(tc.amountConverted, sdkBalance.Amount)
|
|
|
|
newEvmBalance := initialPosition.SubAmount(tc.amountConverted)
|
|
// expect initiator to have the balance deducted
|
|
evmBalance, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, initiator)
|
|
suite.NoError(err)
|
|
suite.BigIntsEqual(newEvmBalance.Amount.BigInt(), evmBalance, "unexpected initiator final erc20 balance")
|
|
|
|
// expect tokens to be deducted from module account
|
|
suite.True(newEvmBalance.Amount.Equal(suite.ModuleBalance(denom)), "unexpected module balance")
|
|
|
|
// expect erc20 total supply to reflect new value
|
|
caller, key := testutil.RandomEvmAccount()
|
|
totalSupply, err := suite.QueryContract(
|
|
types.ERC20ZgChainWrappedCosmosCoinContract.ABI,
|
|
caller,
|
|
key,
|
|
contractAddress,
|
|
"totalSupply",
|
|
)
|
|
suite.NoError(err)
|
|
suite.BigIntsEqual(newEvmBalance.Amount.BigInt(), totalSupply[0].(*big.Int), "unexpected total supply")
|
|
})
|
|
}
|
|
}
|
|
|
|
// the test verifies the behavior for when a denom is removed from the params list
|
|
// after conversions have been made:
|
|
// - it should prevent more conversions from sdk -> evm for that denom
|
|
// - existing erc20s should be allowed to get converted back to a sdk.Coins
|
|
// - allowing the denom again should use existing contract
|
|
func (suite *MsgServerSuite) TestConvertCosmosCoinForRemovedDenom() {
|
|
denom := "magic"
|
|
tokenInfo := types.NewAllowedCosmosCoinERC20Token(denom, "MAGIC COIN", "MAGIC", 6)
|
|
account := app.RandomAddress()
|
|
evmAddr := types.BytesToInternalEVMAddress(account.Bytes())
|
|
coin := func(amt int64) sdk.Coin { return sdk.NewInt64Coin(denom, amt) }
|
|
|
|
// fund account
|
|
suite.NoError(suite.App.FundAccount(suite.Ctx, account, sdk.NewCoins(coin(1e10))))
|
|
|
|
// setup the token as allowed
|
|
params := suite.Keeper.GetParams(suite.Ctx)
|
|
params.AllowedCosmosDenoms = append(params.AllowedCosmosDenoms, tokenInfo)
|
|
suite.Keeper.SetParams(suite.Ctx, params)
|
|
|
|
// convert some coins while its allowed
|
|
msg := types.NewMsgConvertCosmosCoinToERC20(account.String(), evmAddr.Hex(), coin(5e9))
|
|
_, err := suite.msgServer.ConvertCosmosCoinToERC20(suite.Ctx, &msg)
|
|
suite.NoError(err)
|
|
|
|
// expect contract registered
|
|
contractAddress, isRegistered := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, denom)
|
|
suite.True(isRegistered)
|
|
suite.False(contractAddress.IsNil())
|
|
|
|
// unregister contract
|
|
params.AllowedCosmosDenoms = []types.AllowedCosmosCoinERC20Token{}
|
|
suite.Keeper.SetParams(suite.Ctx, params)
|
|
|
|
suite.Run("disallows sdk -> evm when removed", func() {
|
|
msg := types.NewMsgConvertCosmosCoinToERC20(account.String(), evmAddr.Hex(), coin(5e9))
|
|
_, err := suite.msgServer.ConvertCosmosCoinToERC20(suite.Ctx, &msg)
|
|
suite.ErrorContains(err, "sdk.Coin not enabled to convert to ERC20 token")
|
|
})
|
|
|
|
suite.Run("allows conversion of existing ERC20s", func() {
|
|
msg := types.NewMsgConvertCosmosCoinFromERC20(evmAddr.Hex(), account.String(), coin(5e9))
|
|
_, err := suite.msgServer.ConvertCosmosCoinFromERC20(suite.Ctx, &msg)
|
|
suite.NoError(err)
|
|
|
|
// should be fully withdrawn
|
|
erc20Bal, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, evmAddr)
|
|
suite.NoError(err)
|
|
suite.BigIntsEqual(big.NewInt(0), erc20Bal, "cosmos coins were not converted back")
|
|
sdkBal := suite.BankKeeper.GetBalance(suite.Ctx, account, denom)
|
|
suite.Equal(coin(1e10), sdkBal)
|
|
})
|
|
|
|
suite.Run("contract stays registered", func() {
|
|
postDisableContractAddress, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, denom)
|
|
suite.True(found)
|
|
suite.Equal(contractAddress, postDisableContractAddress)
|
|
})
|
|
|
|
suite.Run("re-enable uses original contract", func() {
|
|
// re-enable contract
|
|
params.AllowedCosmosDenoms = append(params.AllowedCosmosDenoms, tokenInfo)
|
|
suite.Keeper.SetParams(suite.Ctx, params)
|
|
|
|
// attempt conversion
|
|
msg := types.NewMsgConvertCosmosCoinToERC20(account.String(), evmAddr.Hex(), coin(1e10))
|
|
_, err := suite.msgServer.ConvertCosmosCoinToERC20(suite.Ctx, &msg)
|
|
suite.NoError(err)
|
|
|
|
// should have balance on original ERC20 contract
|
|
erc20Bal, err := suite.Keeper.QueryERC20BalanceOf(suite.Ctx, contractAddress, evmAddr)
|
|
suite.NoError(err)
|
|
suite.BigIntsEqual(big.NewInt(1e10), erc20Bal, "cosmos coins were not converted")
|
|
sdkBal := suite.BankKeeper.GetBalance(suite.Ctx, account, denom)
|
|
suite.True(sdkBal.IsZero())
|
|
})
|
|
}
|