go-ethereum/accounts/abi/bind/v2/v2_test.go

146 lines
4.3 KiB
Go

package v2
import (
"context"
"encoding/json"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"io"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient/simulated"
"github.com/ethereum/go-ethereum/params"
"math/big"
"strings"
"testing"
)
const deployer = "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"
const contractABIStr = `
[
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "uint256",
"name": "firstArg",
"type": "uint256"
},
{
"indexed": false,
"internalType": "string",
"name": "secondArg",
"type": "string"
}
],
"name": "ExampleEvent",
"type": "event"
},
{
"inputs": [],
"name": "emitEvent",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "uint256",
"name": "num",
"type": "uint256"
}
],
"name": "mutateStorageVal",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "retrieveStorageVal",
"outputs": [
{
"internalType": "uint256",
"name": "",
"type": "uint256"
}
],
"stateMutability": "view",
"type": "function"
}
]
`
var testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
// JSON returns a parsed ABI interface and error if it failed.
func JSON(reader io.Reader) (abi.ABI, error) {
dec := json.NewDecoder(reader)
var instance abi.ABI
if err := dec.Decode(&instance); err != nil {
return abi.ABI{}, err
}
return instance, nil
}
func TestV2(t *testing.T) {
testAddr := crypto.PubkeyToAddress(testKey.PublicKey)
backend := simulated.NewBackend(
types.GenesisAlloc{
testAddr: {Balance: big.NewInt(10000000000000000)},
},
)
defer backend.Close()
contractABI, err := JSON(strings.NewReader(contractABIStr))
if err != nil {
panic(err)
}
signer := types.LatestSigner(params.AllDevChainProtocolChanges)
opts := bind.TransactOpts{
From: testAddr,
Nonce: nil,
Signer: func(address common.Address, tx *types.Transaction) (*types.Transaction, error) {
signature, err := crypto.Sign(signer.Hash(tx).Bytes(), testKey)
if err != nil {
t.Fatal(err)
}
signedTx, err := tx.WithSignature(signer, signature)
if err != nil {
t.Fatal(err)
}
return signedTx, nil
},
Context: context.Background(),
/*
Value: nil,
GasPrice: nil,
GasFeeCap: nil,
GasTipCap: nil,
GasLimit: 0,
AccessList: nil,
NoSend: false,
*/
}
// we should just be able to use the backend directly, instead of using
// this deprecated interface. However, the simulated backend no longer
// implements backends.SimulatedBackend...
bindBackend := backends.SimulatedBackend{
Backend: backend,
Client: backend.Client(),
}
_, _, _, err = bind.DeployContract(&opts, contractABI, common.Hex2Bytes(deployer), &bindBackend)
if err != nil {
t.Fatal(err)
}
// send a balance to our contract (contract must accept ether by default)
}