mirror of
https://github.com/0glabs/0g-chain.git
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87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
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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/ethereum/go-ethereum/common"
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"github.com/stretchr/testify/suite"
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"github.com/kava-labs/kava/x/evmutil/testutil"
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"github.com/kava-labs/kava/x/evmutil/types"
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)
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type ERC20TestSuite struct {
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testutil.Suite
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contractAddr types.InternalEVMAddress
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}
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func TestERC20TestSuite(t *testing.T) {
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suite.Run(t, new(ERC20TestSuite))
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}
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func (suite *ERC20TestSuite) SetupTest() {
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suite.Suite.SetupTest()
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suite.contractAddr = suite.DeployERC20()
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}
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func (suite *ERC20TestSuite) TestERC20QueryBalanceOf_Empty() {
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bal, err := suite.Keeper.QueryERC20BalanceOf(
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suite.Ctx,
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suite.contractAddr,
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suite.Key1Addr,
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)
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suite.Require().NoError(err)
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suite.Require().True(bal.Cmp(big.NewInt(0)) == 0, "balance should be 0")
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}
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func (suite *ERC20TestSuite) TestERC20QueryBalanceOf_NonEmpty() {
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// Mint some tokens for the address
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err := suite.Keeper.MintERC20(
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suite.Ctx,
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suite.contractAddr,
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suite.Key1Addr,
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big.NewInt(10),
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)
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suite.Require().NoError(err)
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bal, err := suite.Keeper.QueryERC20BalanceOf(
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suite.Ctx,
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suite.contractAddr,
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suite.Key1Addr,
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)
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suite.Require().NoError(err)
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suite.Require().Equal(big.NewInt(10), bal, "balance should be 10")
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}
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func (suite *ERC20TestSuite) TestERC20Mint() {
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contractAddr := suite.DeployERC20()
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// We can't test mint by module account like the Unauthorized test as we
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// cannot sign as the module account. Instead, we test the keeper method for
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// minting.
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receiver := common.BytesToAddress(suite.Key2.PubKey().Address())
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amount := big.NewInt(1234)
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err := suite.App.GetEvmutilKeeper().MintERC20(suite.Ctx, contractAddr, types.NewInternalEVMAddress(receiver), amount)
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suite.Require().NoError(err)
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// Query ERC20.balanceOf()
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addr := common.BytesToAddress(suite.Key1.PubKey().Address())
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res, err := suite.QueryContract(
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types.ERC20MintableBurnableContract.ABI,
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addr,
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suite.Key1,
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contractAddr,
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"balanceOf",
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receiver,
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)
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suite.Require().NoError(err)
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suite.Require().Len(res, 1)
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balance, ok := res[0].(*big.Int)
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suite.Require().True(ok, "balanceOf should respond with *big.Int")
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suite.Require().Equal(big.NewInt(1234), balance)
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}
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