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ethclient: add NetworkID function

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This commit is contained in:
Jim McDonald 2017-07-11 13:37:28 +01:00
parent 225de7ca0a
commit c1fcd682dc
1 changed files with 13 additions and 0 deletions
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13
ethclient/ethclient.go
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@ -258,6 +258,19 @@ func (ec *Client) SubscribeNewHead(ctx context.Context, ch chan<- *types.Header)
// State Access // State Access
// NetworkID returns the network ID (also known as the chain ID) for this chain.
func (ec *Client) NetworkID(ctx context.Context) (version *big.Int, err error) {
version = big.NewInt(0)
var ver string
if err = ec.c.CallContext(ctx, &ver, "net_version"); err != nil {
return version, err
}
version.SetString(ver, 10)
return
}
// BalanceAt returns the wei balance of the given account. // 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. // 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) { func (ec *Client) BalanceAt(ctx context.Context, account common.Address, blockNumber *big.Int) (*big.Int, error) {