mirror of
https://github.com/0glabs/0g-chain.git
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300 lines
9.4 KiB
Go
300 lines
9.4 KiB
Go
package keeper_test
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import (
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"fmt"
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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/0glabs/0g-chain/app"
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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 convertCosmosCoinToERC20Suite struct {
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testutil.Suite
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}
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func TestConversionCosmosNativeToEvmSuite(t *testing.T) {
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suite.Run(t, new(convertCosmosCoinToERC20Suite))
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}
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// fail test if contract for denom not registered
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func (suite *convertCosmosCoinToERC20Suite) denomContractRegistered(denom string) types.InternalEVMAddress {
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contractAddress, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, denom)
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suite.True(found)
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return contractAddress
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}
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// fail test if contract for denom IS registered
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func (suite *convertCosmosCoinToERC20Suite) denomContractNotRegistered(denom string) {
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_, found := suite.Keeper.GetDeployedCosmosCoinContract(suite.Ctx, denom)
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suite.False(found)
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}
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// more tests of tests of this method are made to the msg handler, see ./msg_server_test.go
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func (suite *convertCosmosCoinToERC20Suite) TestConvertCosmosCoinToERC20() {
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allowedDenom := "ibc/27394FB092D2ECCD56123C74F36E4C1F926001CEADA9CA97EA622B25F41E5EB2"
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initialFunding := sdk.NewInt64Coin(allowedDenom, int64(1e10))
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initiator := app.RandomAddress()
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amount := sdk.NewInt64Coin(allowedDenom, 6e8)
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receiver1 := types.BytesToInternalEVMAddress(app.RandomAddress().Bytes())
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receiver2 := types.BytesToInternalEVMAddress(app.RandomAddress().Bytes())
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var contractAddress types.InternalEVMAddress
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caller, key := testutil.RandomEvmAccount()
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query := func(method string, args ...interface{}) ([]interface{}, error) {
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return suite.QueryContract(
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types.ERC20ZgChainWrappedCosmosCoinContract.ABI,
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caller,
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key,
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contractAddress,
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method,
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args...,
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)
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}
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checkTotalSupply := func(expectedSupply sdkmath.Int) {
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res, err := query("totalSupply")
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suite.NoError(err)
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suite.Len(res, 1)
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suite.BigIntsEqual(expectedSupply.BigInt(), res[0].(*big.Int), "unexpected total supply")
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}
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checkBalanceOf := func(address types.InternalEVMAddress, expectedBalance sdkmath.Int) {
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res, err := query("balanceOf", address.Address)
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suite.NoError(err)
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suite.Len(res, 1)
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suite.BigIntsEqual(expectedBalance.BigInt(), res[0].(*big.Int), fmt.Sprintf("unexpected balanceOf for %s", address))
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}
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suite.SetupTest()
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suite.Run("fails when denom not allowed", func() {
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suite.denomContractNotRegistered(allowedDenom)
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err := suite.Keeper.ConvertCosmosCoinToERC20(
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suite.Ctx,
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initiator,
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receiver1,
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sdk.NewCoin(allowedDenom, sdkmath.NewInt(6e8)),
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)
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suite.ErrorContains(err, "sdk.Coin not enabled to convert to ERC20 token")
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suite.denomContractNotRegistered(allowedDenom)
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})
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suite.Run("allowed denoms have contract deploys on first conversion", func() {
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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, initiator, sdk.NewCoins(initialFunding))
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suite.NoError(err, "failed to initially fund account")
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// first conversion
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err = suite.Keeper.ConvertCosmosCoinToERC20(
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suite.Ctx,
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initiator,
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receiver1,
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sdk.NewCoin(allowedDenom, sdkmath.NewInt(6e8)),
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)
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suite.NoError(err)
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// contract should be deployed & registered
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contractAddress = suite.denomContractRegistered(allowedDenom)
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// sdk coin deducted from initiator
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expectedBalance := initialFunding.Sub(amount)
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balance := suite.BankKeeper.GetBalance(suite.Ctx, initiator, allowedDenom)
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suite.Equal(expectedBalance, balance)
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// erc20 minted to receiver
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checkBalanceOf(receiver1, amount.Amount)
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// total supply of erc20 should have increased
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checkTotalSupply(amount.Amount)
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// event should be emitted
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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, receiver1.String()),
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sdk.NewAttribute(types.AttributeKeyERC20Address, contractAddress.Hex()),
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sdk.NewAttribute(types.AttributeKeyAmount, amount.String()),
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),
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)
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})
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suite.Run("2nd deploy uses same contract", func() {
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// expect no initial balance
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checkBalanceOf(receiver2, sdkmath.NewInt(0))
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// 2nd conversion
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err := suite.Keeper.ConvertCosmosCoinToERC20(
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suite.Ctx,
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initiator,
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receiver2,
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sdk.NewCoin(allowedDenom, sdkmath.NewInt(6e8)),
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)
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suite.NoError(err)
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// contract address should not change
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convertTwiceContractAddress := suite.denomContractRegistered(allowedDenom)
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suite.Equal(contractAddress, convertTwiceContractAddress)
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// sdk coin deducted from initiator
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expectedBalance := initialFunding.Sub(amount).Sub(amount)
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balance := suite.BankKeeper.GetBalance(suite.Ctx, initiator, allowedDenom)
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suite.Equal(expectedBalance, balance)
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// erc20 minted to receiver
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checkBalanceOf(receiver2, amount.Amount)
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// total supply of erc20 should have increased
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checkTotalSupply(amount.Amount.MulRaw(2))
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// event should be emitted
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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, receiver2.String()),
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sdk.NewAttribute(types.AttributeKeyERC20Address, contractAddress.Hex()),
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sdk.NewAttribute(types.AttributeKeyAmount, amount.String()),
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),
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)
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})
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}
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type convertCosmosCoinFromERC20Suite struct {
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testutil.Suite
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denom string
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initiator types.InternalEVMAddress
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receiver sdk.AccAddress
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contractAddress types.InternalEVMAddress
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initialPosition sdk.Coin
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query func(method string, args ...interface{}) ([]interface{}, error)
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}
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func (suite *convertCosmosCoinFromERC20Suite) SetupTest() {
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var err error
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suite.Suite.SetupTest()
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suite.denom = "magic"
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suite.initiator = testutil.RandomInternalEVMAddress()
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suite.receiver = app.RandomAddress()
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// manually create an initial position - sdk coin locked in module
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suite.initialPosition = sdk.NewInt64Coin(suite.denom, 1e12)
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err = suite.App.FundModuleAccount(suite.Ctx, types.ModuleName, sdk.NewCoins(suite.initialPosition))
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suite.NoError(err)
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// deploy erc20 contract for the denom
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tokenInfo := types.AllowedCosmosCoinERC20Token{
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CosmosDenom: suite.denom,
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Name: "Test Token",
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Symbol: "MAGIC",
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Decimals: 6,
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}
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suite.contractAddress, err = suite.Keeper.GetOrDeployCosmosCoinERC20Contract(suite.Ctx, tokenInfo)
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suite.NoError(err)
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// manually create an initial position - minted tokens
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err = suite.Keeper.MintERC20(suite.Ctx, suite.contractAddress, suite.initiator, suite.initialPosition.Amount.BigInt())
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suite.NoError(err)
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caller, key := testutil.RandomEvmAccount()
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suite.query = func(method string, args ...interface{}) ([]interface{}, error) {
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return suite.QueryContract(
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types.ERC20ZgChainWrappedCosmosCoinContract.ABI,
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caller,
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key,
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suite.contractAddress,
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method,
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args...,
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)
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}
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}
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func (suite *convertCosmosCoinFromERC20Suite) checkTotalSupply(expectedSupply sdkmath.Int) {
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res, err := suite.query("totalSupply")
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suite.NoError(err)
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suite.Len(res, 1)
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suite.BigIntsEqual(expectedSupply.BigInt(), res[0].(*big.Int), "unexpected total supply")
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}
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func (suite *convertCosmosCoinFromERC20Suite) checkBalanceOf(address types.InternalEVMAddress, expectedBalance sdkmath.Int) {
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res, err := suite.query("balanceOf", address.Address)
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suite.NoError(err)
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suite.Len(res, 1)
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suite.BigIntsEqual(expectedBalance.BigInt(), res[0].(*big.Int), fmt.Sprintf("unexpected balanceOf for %s", address))
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}
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func TestConversionCosmosNativeFromEVMSuite(t *testing.T) {
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suite.Run(t, new(convertCosmosCoinFromERC20Suite))
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}
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func (suite *convertCosmosCoinFromERC20Suite) TestConvertCosmosCoinFromERC20_NoContractDeployed() {
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err := suite.Keeper.ConvertCosmosCoinFromERC20(
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suite.Ctx,
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suite.initiator,
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suite.receiver,
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sdk.NewInt64Coin("unsupported-denom", 1e6),
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)
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suite.ErrorContains(err, "no erc20 contract found for unsupported-denom")
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}
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func (suite *convertCosmosCoinFromERC20Suite) TestConvertCosmosCoinFromERC20() {
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// half the initial position
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amount := suite.initialPosition.SubAmount(suite.initialPosition.Amount.QuoRaw(2))
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suite.Run("partial withdraw", func() {
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err := suite.Keeper.ConvertCosmosCoinFromERC20(
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suite.Ctx,
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suite.initiator,
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suite.receiver,
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amount,
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)
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suite.NoError(err)
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suite.checkTotalSupply(amount.Amount)
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suite.checkBalanceOf(suite.initiator, amount.Amount)
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suite.App.CheckBalance(suite.T(), suite.Ctx, suite.receiver, sdk.NewCoins(amount))
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})
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suite.Run("full withdraw", func() {
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err := suite.Keeper.ConvertCosmosCoinFromERC20(
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suite.Ctx,
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suite.initiator,
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suite.receiver,
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amount,
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)
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suite.NoError(err)
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// expect no remaining erc20 balance
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suite.checkTotalSupply(sdkmath.ZeroInt())
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suite.checkBalanceOf(suite.initiator, sdkmath.ZeroInt())
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// expect full amount withdrawn to receiver
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suite.App.CheckBalance(suite.T(), suite.Ctx, suite.receiver, sdk.NewCoins(suite.initialPosition))
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})
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suite.Run("insufficient balance", func() {
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err := suite.Keeper.ConvertCosmosCoinFromERC20(
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suite.Ctx,
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suite.initiator,
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suite.receiver,
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amount,
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)
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suite.ErrorContains(err, "failed to convert to cosmos coins: insufficient funds")
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})
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}
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