mirror of
https://github.com/0glabs/0g-chain.git
synced 2024-11-14 20:15:18 +00:00
65 lines
2.1 KiB
Go
65 lines
2.1 KiB
Go
package testutil
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import (
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"context"
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"fmt"
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"math/big"
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"github.com/ethereum/go-ethereum/common"
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"github.com/0glabs/0g-chain/tests/e2e/contracts/greeter"
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evmutiltypes "github.com/0glabs/0g-chain/x/evmutil/types"
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)
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// InitZgChainEvmData is run after the chain is running, but before the tests are run.
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// It is used to initialize some EVM state, such as deploying contracts.
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func (suite *E2eTestSuite) InitZgChainEvmData() {
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whale := suite.ZgChain.GetAccount(FundedAccountName)
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// ensure funded account has nonzero erc20 balance
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balance := suite.ZgChain.GetErc20Balance(suite.DeployedErc20.Address, whale.EvmAddress)
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if balance.Cmp(big.NewInt(0)) != 1 {
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panic(fmt.Sprintf(
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"expected funded account (%s) to have erc20 balance of token %s",
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whale.EvmAddress.Hex(),
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suite.DeployedErc20.Address.Hex(),
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))
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}
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// expect the erc20 to be enabled for conversion to sdk.Coin
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params, err := suite.ZgChain.Evmutil.Params(context.Background(), &evmutiltypes.QueryParamsRequest{})
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if err != nil {
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panic(fmt.Sprintf("failed to fetch evmutil params during init: %s", err))
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}
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found := false
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erc20Addr := suite.DeployedErc20.Address.Hex()
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for _, p := range params.Params.EnabledConversionPairs {
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if common.BytesToAddress(p.ZgChainERC20Address).Hex() == erc20Addr {
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found = true
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suite.DeployedErc20.CosmosDenom = p.Denom
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}
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}
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if !found {
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panic(fmt.Sprintf("erc20 %s must be enabled for conversion to cosmos coin", erc20Addr))
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}
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suite.ZgChain.RegisterErc20(suite.DeployedErc20.Address)
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// deploy an example contract
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greeterAddr, _, _, err := greeter.DeployGreeter(
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whale.evmSigner.Auth,
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whale.evmSigner.EvmClient,
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"what's up!",
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)
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suite.NoError(err, "failed to deploy a contract to the EVM")
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suite.ZgChain.ContractAddrs["greeter"] = greeterAddr
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}
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// FundZgChainErc20Balance sends the pre-deployed ERC20 token to the `toAddress`.
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func (suite *E2eTestSuite) FundZgChainErc20Balance(toAddress common.Address, amount *big.Int) EvmTxResponse {
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// funded account should have erc20 balance
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whale := suite.ZgChain.GetAccount(FundedAccountName)
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res, err := whale.TransferErc20(suite.DeployedErc20.Address, toAddress, amount)
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suite.NoError(err)
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return res
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}
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