diff options
Diffstat (limited to 'ethclient/ethclient.go')
| -rw-r--r-- | ethclient/ethclient.go | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/ethclient/ethclient.go b/ethclient/ethclient.go index 45bb87322..48639d949 100644 --- a/ethclient/ethclient.go +++ b/ethclient/ethclient.go @@ -203,8 +203,6 @@ func (ec *Client) TransactionReceipt(ctx context.Context, txHash common.Hash) (* if err == nil { if r == nil { return nil, ethereum.NotFound - } else if len(r.PostState) == 0 { - return nil, fmt.Errorf("server returned receipt without post state") } } return r, err @@ -258,6 +256,19 @@ func (ec *Client) SubscribeNewHead(ctx context.Context, ch chan<- *types.Header) // State Access +// NetworkID returns the network ID (also known as the chain ID) for this chain. +func (ec *Client) NetworkID(ctx context.Context) (*big.Int, error) { + version := new(big.Int) + var ver string + if err := ec.c.CallContext(ctx, &ver, "net_version"); err != nil { + return nil, err + } + if _, ok := version.SetString(ver, 10); !ok { + return nil, fmt.Errorf("invalid net_version result %q", ver) + } + return version, nil +} + // BalanceAt returns the wei balance of the given account. // The block number can be nil, in which case the balance is taken from the latest known block. func (ec *Client) BalanceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (*big.Int, error) { |