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btcjson+rpcclient: add compatibility for bitcoind v0.19.0 #1484

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merged 5 commits into from
Nov 9, 2019
Merged

btcjson+rpcclient: add compatibility for bitcoind v0.19.0 #1484

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a46f7b4
rpcclient: add GetNetworkInfo method
wpaulino Oct 30, 2019
e89d4fc
rpcclient: allow retrieval of backend version
wpaulino Oct 30, 2019
266851e
btcjson+rpcclient: support new unified softfork bitcoind format
wpaulino Oct 30, 2019
93a84aa
btcjson: use correct json tag for Bip9SoftForkDescription.StartTime
wpaulino Oct 30, 2019
e2e5cc6
btcjson+rpcclient: support new bitcoind sendrawtransaction request
wpaulino Oct 30, 2019
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rpcclient: add GetNetworkInfo method
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@wpaulino
wpaulino committed Oct 30, 2019
commit a46f7b45abb3512c0a43c3c7f268162c48160a96
37 changes: 37 additions & 0 deletions rpcclient/net.go
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Original file line number Diff line number Diff line change
Expand Up @@ -244,6 +244,43 @@ func (c *Client) Ping() error {
return c.PingAsync().Receive()
}

// FutureGetNetworkInfoResult is a future promise to deliver the result of a
// GetNetworkInfoAsync RPC invocation (or an applicable error).
type FutureGetNetworkInfoResult chan *response
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// Receive waits for the response promised by the future and returns data about
// the current network.
func (r FutureGetNetworkInfoResult) Receive() (*btcjson.GetNetworkInfoResult, error) {
res, err := receiveFuture(r)
if err != nil {
return nil, err
}

// Unmarshal result as an array of getpeerinfo result objects.
var networkInfo btcjson.GetNetworkInfoResult
err = json.Unmarshal(res, &networkInfo)
if err != nil {
return nil, err
}

return &networkInfo, nil
}

// GetNetworkInfoAsync returns an instance of a type that can be used to get the
// result of the RPC at some future time by invoking the Receive function on the
// returned instance.
//
// See GetNetworkInfo for the blocking version and more details.
func (c *Client) GetNetworkInfoAsync() FutureGetNetworkInfoResult {
cmd := btcjson.NewGetNetworkInfoCmd()
return c.sendCmd(cmd)
}

// GetNetworkInfo returns data about the current network.
func (c *Client) GetNetworkInfo() (*btcjson.GetNetworkInfoResult, error) {
return c.GetNetworkInfoAsync().Receive()
}

// FutureGetPeerInfoResult is a future promise to deliver the result of a
// GetPeerInfoAsync RPC invocation (or an applicable error).
type FutureGetPeerInfoResult chan *response
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