forked from cerc-io/plugeth
ethclient: add CallContractAtHash (#24355)
* add CallContractAtHash to ethclient * add docstring and test * optimize test * ethclient: nits Co-authored-by: Péter Szilágyi <peterke@gmail.com>
This commit is contained in:
parent
f01e2fab07
commit
e98114da4f
@ -456,6 +456,17 @@ func (ec *Client) CallContract(ctx context.Context, msg ethereum.CallMsg, blockN
|
||||
return hex, nil
|
||||
}
|
||||
|
||||
// CallContractAtHash is almost the same as CallContract except that it selects
|
||||
// the block by block hash instead of block height.
|
||||
func (ec *Client) CallContractAtHash(ctx context.Context, msg ethereum.CallMsg, blockHash common.Hash) ([]byte, error) {
|
||||
var hex hexutil.Bytes
|
||||
err := ec.c.CallContext(ctx, &hex, "eth_call", toCallArg(msg), rpc.BlockNumberOrHashWithHash(blockHash, false))
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return hex, nil
|
||||
}
|
||||
|
||||
// PendingCallContract executes a message call transaction using the EVM.
|
||||
// The state seen by the contract call is the pending state.
|
||||
func (ec *Client) PendingCallContract(ctx context.Context, msg ethereum.CallMsg) ([]byte, error) {
|
||||
|
@ -285,6 +285,9 @@ func TestEthClient(t *testing.T) {
|
||||
"CallContract": {
|
||||
func(t *testing.T) { testCallContract(t, client) },
|
||||
},
|
||||
"CallContractAtHash": {
|
||||
func(t *testing.T) { testCallContractAtHash(t, client) },
|
||||
},
|
||||
"AtFunctions": {
|
||||
func(t *testing.T) { testAtFunctions(t, client) },
|
||||
},
|
||||
@ -507,6 +510,33 @@ func testStatusFunctions(t *testing.T, client *rpc.Client) {
|
||||
}
|
||||
}
|
||||
|
||||
func testCallContractAtHash(t *testing.T, client *rpc.Client) {
|
||||
ec := NewClient(client)
|
||||
|
||||
// EstimateGas
|
||||
msg := ethereum.CallMsg{
|
||||
From: testAddr,
|
||||
To: &common.Address{},
|
||||
Gas: 21000,
|
||||
Value: big.NewInt(1),
|
||||
}
|
||||
gas, err := ec.EstimateGas(context.Background(), msg)
|
||||
if err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
if gas != 21000 {
|
||||
t.Fatalf("unexpected gas price: %v", gas)
|
||||
}
|
||||
block, err := ec.HeaderByNumber(context.Background(), big.NewInt(1))
|
||||
if err != nil {
|
||||
t.Fatalf("BlockByNumber error: %v", err)
|
||||
}
|
||||
// CallContract
|
||||
if _, err := ec.CallContractAtHash(context.Background(), msg, block.Hash()); err != nil {
|
||||
t.Fatalf("unexpected error: %v", err)
|
||||
}
|
||||
}
|
||||
|
||||
func testCallContract(t *testing.T, client *rpc.Client) {
|
||||
ec := NewClient(client)
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user