forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Update method from NewTransactor to NewTransactorWithChainID.

Browse source 
Update code samples.
This commit is contained in:
Zubin Pratap 2023-08-14 14:57:58 +10:00
parent d4f3ea4aac
commit 1ba9a38dfd
No known key found for this signature in database
1 changed files with 18 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
docs/developers/dapp-developer/native-bindings.md
View file

@ -40,13 +40,17 @@ pragma solidity >0.7.0 < 0.9.0;
*/ */
contract Storage { contract Storage {
string public version;
uint256 public value;
uint256 value; constructor(string memory _version) {
version = _version;
}
function store(uint256 number) public{ function store(uint256 number) public{
value = number; value = number;
} }
function retrieve() public view returns (uint256){ function retrieve() public view returns (uint256){
return value; return value;
} }
@ -224,12 +228,18 @@ func main() {
if err != nil { if err != nil {
log.Fatalf("Failed to connect to the Ethereum client: %v", err) log.Fatalf("Failed to connect to the Ethereum client: %v", err)
} }
auth, err := bind.NewTransactor(strings.NewReader(key), "<<strong_password>>")
keyDataBytes, err := os.ReadFile(keyFile)
if err != nil {
fmt.Print("error reading key file: ", err)
}
auth, err := bind.NewTransactorWithChainID(strings.NewReader(string(keyDataBytes)), "<<strong_password>>", chainId)
if err != nil { if err != nil {
log.Fatalf("Failed to create authorized transactor: %v", err) log.Fatalf("Failed to create authorized transactor: %v", err)
} }
// Deploy the contract passing the newly created `auth` and `conn` vars // Deploy the contract passing the newly created `auth` and `conn` vars
address, tx, instance, err := DeployStorage(auth, conn), new(big.Int), "Storage contract in Go!", 0, "Go!") address, tx, instance, err := DeployStorage(auth, conn, "v0.0")
if err != nil { if err != nil {
log.Fatalf("Failed to deploy new storage contract: %v", err) log.Fatalf("Failed to deploy new storage contract: %v", err)
} }
@ -238,12 +248,12 @@ func main() {
time.Sleep(250 * time.Millisecond) // Allow it to be processed by the local node :P time.Sleep(250 * time.Millisecond) // Allow it to be processed by the local node :P
// function call on `instance`. Retrieves pending name // function call on `instance`. Retrieves version string.
name, err := instance.Name(&bind.CallOpts{Pending: true}) version, err := instance.Version(&bind.CallOpts{Pending: true})
if err != nil { if err != nil {
log.Fatalf("Failed to retrieve pending name: %v", err) log.Fatalf("Failed to retrieve pending version data: %v", err)
} }
fmt.Println("Pending name:", name) fmt.Println("Pending version string:", version)
} }
``` ```