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| Original file line number | Diff line number | Diff line change |
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| @@ -1,4 +1,4 @@ | ||
| go 1.18 | ||
| go 1.21 | ||
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| use ( | ||
| . | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,4 +1,4 @@ | ||
| go 1.18 | ||
| go 1.21 | ||
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| use ( | ||
| . | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,9 @@ | ||
| Note: To run this example, you need a testnet endpoint. | ||
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| Steps to run this example on mainnet: | ||
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| 1. rename ".env.template" to ".env.testnet" | ||
| 2. uncomment, and set INTEGRATION_BASE to the testnet url //You can get it from here www.alchemy.com/starknet | ||
| 3. make sure you are in the "simpleInvoke" directory | ||
| 4. execute `go mod tidy` | ||
| 5. execute `go run main.go` |
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| module account | ||
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| go 1.20 | ||
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| require ( | ||
| github.com/NethermindEth/juno v0.3.1 | ||
| github.com/NethermindEth/starknet.go v0.4.6-0.20231005024141-742a82479868 | ||
| github.com/ethereum/go-ethereum v1.10.26 | ||
| github.com/joho/godotenv v1.4.0 | ||
| ) | ||
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| require ( | ||
| github.com/StackExchange/wmi v0.0.0-20180116203802-5d049714c4a6 // indirect | ||
| github.com/bits-and-blooms/bitset v1.7.0 // indirect | ||
| github.com/consensys/gnark-crypto v0.11.0 // indirect | ||
| github.com/davecgh/go-spew v1.1.1 // indirect | ||
| github.com/deckarep/golang-set v1.8.0 // indirect | ||
| github.com/fxamacker/cbor/v2 v2.4.0 // indirect | ||
| github.com/go-ole/go-ole v1.2.1 // indirect | ||
| github.com/go-stack/stack v1.8.0 // indirect | ||
| github.com/gorilla/websocket v1.4.2 // indirect | ||
| github.com/pmezard/go-difflib v1.0.0 // indirect | ||
| github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect | ||
| github.com/stretchr/testify v1.8.1 // indirect | ||
| github.com/test-go/testify v1.1.4 // indirect | ||
| github.com/tklauser/go-sysconf v0.3.5 // indirect | ||
| github.com/tklauser/numcpus v0.2.2 // indirect | ||
| github.com/x448/float16 v0.8.4 // indirect | ||
| golang.org/x/crypto v0.2.0 // indirect | ||
| golang.org/x/sys v0.3.0 // indirect | ||
| gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce // indirect | ||
| gopkg.in/yaml.v3 v3.0.1 // indirect | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,6 @@ | ||
| go 1.18 | ||
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| use ( | ||
| . | ||
| ../.. | ||
| ) |
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| package main | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "math/big" | ||
| "os" | ||
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| "github.com/NethermindEth/starknet.go/account" | ||
| "github.com/NethermindEth/starknet.go/rpc" | ||
| "github.com/NethermindEth/starknet.go/utils" | ||
| ethrpc "github.com/ethereum/go-ethereum/rpc" | ||
| "github.com/joho/godotenv" | ||
| ) | ||
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| // NOTE : Please add in your keys only for testing purposes, incase of a leak you would potentially lose your funds. | ||
| var ( | ||
| name string = "testnet" //env."name" | ||
| account_addr string = "0x06f36e8a0fc06518125bbb1c63553e8a7d8597d437f9d56d891b8c7d3c977716" //Replace it with your account address | ||
| privateKey string = "0x0687bf84896ee63f52d69e6de1b41492abeadc0dc3cb7bd351d0a52116915937" //Replace it with your account private key | ||
| public_key string = "0x58b0824ee8480133cad03533c8930eda6888b3c5170db2f6e4f51b519141963" //Replace it with your account public key | ||
| someContract string = "0x4c1337d55351eac9a0b74f3b8f0d3928e2bb781e5084686a892e66d49d510d" //Replace it with the contract that you want to invoke | ||
| contractMethod string = "increase_value" //Replace it with the function name that you want to invoke | ||
| ) | ||
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| func main() { | ||
| //Loading the env | ||
| godotenv.Load(fmt.Sprintf(".env.%s", name)) | ||
| base := os.Getenv("INTEGRATION_BASE") //please modify the .env.testnet and replace the INTEGRATION_BASE with an starknet goerli RPC. | ||
| fmt.Println("Starting simpleInvoke example") | ||
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| //Initialising the connection | ||
| c, err := ethrpc.DialContext(context.Background(), base) | ||
| if err != nil { | ||
| fmt.Println("Failed to connect to the client, did you specify the url in the .env.testnet?") | ||
| panic(err) | ||
| } | ||
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| //Initialising the provider | ||
| clientv02 := rpc.NewProvider(c) | ||
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| //Here we are converting the account address to felt | ||
| account_address, err := utils.HexToFelt(account_addr) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
| //Initializing the account memkeyStore | ||
| ks := account.NewMemKeystore() | ||
| fakePrivKeyBI, ok := new(big.Int).SetString(privateKey, 0) | ||
| if !ok { | ||
| panic(err.Error()) | ||
| } | ||
| ks.Put(public_key, fakePrivKeyBI) | ||
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| fmt.Println("Established connection with the client") | ||
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| //Here we are setting the maxFee | ||
| maxfee, err := utils.HexToFelt("0x9184e72a000") | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
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| //Initializing the account | ||
| accnt, err := account.NewAccount(clientv02, account_address, public_key, ks) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
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| //Getting the nonce from the account, and then converting it into felt | ||
| nonce_string, _ := accnt.Nonce(context.Background(), rpc.BlockID{Tag: "latest"}, accnt.AccountAddress) | ||
| nonce, err := utils.HexToFelt(*nonce_string) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
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| //Building the InvokeTx struct | ||
| InvokeTx := rpc.InvokeTxnV1{ | ||
| MaxFee: maxfee, | ||
| Version: rpc.TransactionV1, | ||
| Nonce: nonce, | ||
| Type: rpc.TransactionType_Invoke, | ||
| SenderAddress: accnt.AccountAddress, | ||
| } | ||
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| //Converting the contractaddress from hex to felt | ||
| contractAddress, err := utils.HexToFelt(someContract) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
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| //Building the functioncall struct, where : | ||
| FnCall := rpc.FunctionCall{ | ||
| ContractAddress: contractAddress, //contractAddress is the contract that we wanna call | ||
| EntryPointSelector: utils.GetSelectorFromNameFelt(contractMethod), //this is the function that we wanna call | ||
| } | ||
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| //Mentioning the contract version | ||
| CairoContractVersion := 2 | ||
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| //Building the Calldata with the help of FmtCalldata where we pass in the FnCall struct along with the Cairo version | ||
| InvokeTx.Calldata, err = accnt.FmtCalldata([]rpc.FunctionCall{FnCall}, CairoContractVersion) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
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| //Signing of the the transaction that is done by the account | ||
| err = accnt.SignInvokeTransaction(context.Background(), &InvokeTx) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
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| //After the signing we finally call the AddInvokeTransaction in order to invoke the contract function | ||
| resp, err := accnt.AddInvokeTransaction(context.Background(), InvokeTx) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
| //This returns us with the transaction hash | ||
| fmt.Println("Response : ", resp.TransactionHash) | ||
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| } |
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