75 lines
2.1 KiB
Go
75 lines
2.1 KiB
Go
package itests
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import (
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"context"
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"encoding/hex"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/itests/kit"
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)
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// TestGetCode ensures that GetCode returns the correct results for:
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// 1. Placeholders.
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// 2. Non-existent actors.
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// 3. Normal EVM actors.
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// 4. Self-destructed EVM actors.
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func TestGetCode(t *testing.T) {
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kit.QuietMiningLogs()
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blockTime := 100 * time.Millisecond
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client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
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ens.InterconnectAll().BeginMining(blockTime)
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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// Accounts should have empty code.
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{
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// A random eth address should have no code.
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_, ethAddr, filAddr := client.EVM().NewAccount()
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bytecode, err := client.EVM().EthGetCode(ctx, ethAddr, "latest")
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require.NoError(t, err)
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require.Empty(t, bytecode)
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// send some funds to the account.
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kit.SendFunds(ctx, t, client, filAddr, types.FromFil(10))
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// The code should still be empty, target is now a placeholder.
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bytecode, err = client.EVM().EthGetCode(ctx, ethAddr, "latest")
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require.NoError(t, err)
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require.Empty(t, bytecode)
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}
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// Check contract code.
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{
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// install a contract
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contractHex, err := os.ReadFile("./contracts/SelfDestruct.hex")
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require.NoError(t, err)
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contract, err := hex.DecodeString(string(contractHex))
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require.NoError(t, err)
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createReturn := client.EVM().DeployContract(ctx, client.DefaultKey.Address, contract)
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contractAddr := createReturn.EthAddress
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contractFilAddr := *createReturn.RobustAddress
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// The newly deployed contract should not be empty.
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bytecode, err := client.EVM().EthGetCode(ctx, contractAddr, "latest")
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require.NoError(t, err)
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require.NotEmpty(t, bytecode)
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// Destroy it.
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_, _, err = client.EVM().InvokeContractByFuncName(ctx, client.DefaultKey.Address, contractFilAddr, "destroy()", nil)
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require.NoError(t, err)
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// The code should be empty again.
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bytecode, err = client.EVM().EthGetCode(ctx, contractAddr, "latest")
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require.NoError(t, err)
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require.Empty(t, bytecode)
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}
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}
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