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feat: UniswapV2Router deployment (#35)
* feat: uniswapv2router deployment * docs: add commands docs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| package solidity | ||
|
|
||
| import ( | ||
| "encoding/hex" | ||
| "fmt" | ||
| "os" | ||
| "regexp" | ||
|
|
||
| "github.com/hanchon/hanchond/lib/smartcontract" | ||
| "github.com/hanchon/hanchond/playground/evmos" | ||
| "github.com/hanchon/hanchond/playground/filesmanager" | ||
| "github.com/hanchon/hanchond/playground/solidity" | ||
| "github.com/hanchon/hanchond/playground/sql" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| // deployUniswapV2RouteryCmd represents the deploy command | ||
| var deployUniswapV2RouteryCmd = &cobra.Command{ | ||
| Use: "deploy-uniswap-v2-router [factory_address] [wrapped_coin_address]", | ||
| Args: cobra.ExactArgs(2), | ||
| Short: "Deploy uniswap v2 router", | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| queries := sql.InitDBFromCmd(cmd) | ||
| nodeID, err := cmd.Flags().GetString("node") | ||
| if err != nil { | ||
| fmt.Println("node not set") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| gasLimit, err := cmd.Flags().GetInt("gas-limit") | ||
| if err != nil { | ||
| fmt.Println("incorrect gas limit") | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| factoryAddress := args[0] | ||
| wrappedCoinAddress := args[1] | ||
|
|
||
| // TODO: allow mainnet as a valid endpoint | ||
| e := evmos.NewEvmosFromDB(queries, nodeID) | ||
| builder := e.NewTxBuilder(uint64(gasLimit)) | ||
|
|
||
| factoryCodeHash, err := e.NewRequester().EthCodeHash(factoryAddress, "latest") | ||
| if err != nil { | ||
| fmt.Println("failed to get the eth code:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| contractName := "/Router" | ||
| // Clone v2-minified if needed | ||
| path, err := solidity.DownloadUniswapV2Minified() | ||
| if err != nil { | ||
| fmt.Println(err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Keep working with the main contract | ||
| path = path + "/contracts" + contractName + ".sol" | ||
| libFile, err := filesmanager.ReadFile(path) | ||
| if err != nil { | ||
| fmt.Println("error opening the router file:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| regex := regexp.MustCompile(`hex".{3,}"`) | ||
| libFile = regex.ReplaceAll(libFile, []byte(fmt.Sprintf("hex'%s'", factoryCodeHash))) | ||
| if err := filesmanager.SaveFile(libFile, path); err != nil { | ||
| fmt.Println("error saving the router file:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Set up temp folder | ||
| if err := filesmanager.CleanUpTempFolder(); err != nil { | ||
| fmt.Println("could not clean up the temp folder:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| folderName := "routerBuilder" | ||
| if err := filesmanager.CreateTempFolder(folderName); err != nil { | ||
| fmt.Println("could not create the temp folder:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Compile the contract | ||
| err = solidity.CompileWithSolc("0.6.6", path, filesmanager.GetBranchFolder(folderName)) | ||
| if err != nil { | ||
| fmt.Println("could not compile the erc20 contract:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
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||
| contractName = "/UniswapV2Router02" | ||
|
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||
| bytecode, err := filesmanager.ReadFile(filesmanager.GetBranchFolder(folderName) + contractName + ".bin") | ||
| if err != nil { | ||
| fmt.Printf("error reading the bytecode file:%s\n", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| bytecode, err = hex.DecodeString(string(bytecode)) | ||
| if err != nil { | ||
| fmt.Println("error converting bytecode to []byte:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Generate the constructor | ||
| abiBytes, err := filesmanager.ReadFile(filesmanager.GetBranchFolder(folderName) + contractName + ".abi") | ||
| if err != nil { | ||
| fmt.Printf("error reading the abi file:%s\n", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| // Get Params | ||
| callArgs, err := smartcontract.StringsToABIArguments( | ||
| []string{ | ||
| fmt.Sprintf("a:%s", factoryAddress), | ||
| fmt.Sprintf("a:%s", wrappedCoinAddress), | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| fmt.Printf("error converting arguments: %s\n", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| callData, err := smartcontract.ABIPackRaw(abiBytes, "", callArgs...) | ||
| if err != nil { | ||
| fmt.Println(err.Error()) | ||
| os.Exit(1) | ||
| } | ||
| bytecode = append(bytecode, callData...) | ||
|
|
||
| txHash, err := builder.DeployContract(0, bytecode, uint64(gasLimit)) | ||
| if err != nil { | ||
| fmt.Printf("error sending the transaction: %s\n", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
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||
| receipt, err := e.NewRequester().GetTransactionReceiptWithRetry(txHash, 15) | ||
| if err != nil { | ||
| fmt.Printf("error getting the tx receipt:%s\n", err.Error()) | ||
| } | ||
|
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||
| trace, err := e.NewRequester().GetTransactionTrace(txHash) | ||
| if err != nil { | ||
| fmt.Printf("error getting the tx trace:%s\n", err.Error()) | ||
| } | ||
| if trace.Result.Error != "" { | ||
| fmt.Println("failed to execute the transaction:", trace.Result.Error) | ||
| os.Exit(1) | ||
| } | ||
|
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||
| codeHash, err := e.NewRequester().EthCodeHash(receipt.Result.ContractAddress, "latest") | ||
| if err != nil { | ||
| fmt.Println("failed to get the eth code:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
|
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| fmt.Printf("{\"contract_address\":\"%s\", \"code_hash\":\"%s\", \"tx_hash\":\"%s\"}\n", receipt.Result.ContractAddress, "0x"+codeHash, txHash) | ||
|
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||
| // Clean up files | ||
| if err := filesmanager.CleanUpTempFolder(); err != nil { | ||
| fmt.Println("could not clean up the temp folder:", err.Error()) | ||
| os.Exit(1) | ||
| } | ||
| os.Exit(0) | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| SolidityCmd.AddCommand(deployUniswapV2RouteryCmd) | ||
| deployUniswapV2RouteryCmd.Flags().Int("gas-limit", 20_000_000, "GasLimit to be used to deploy the transaction") | ||
| } |
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